Fixed-shaft movable roller rotary type bearing lubricating oil filling structure

Abstract

The utility model discloses a fixed-shaft movable roller rotary type bearing lubricating oil filling structure which comprises a shaft, a roller and a connecting assembly, a first flowing channel is arranged in the shaft, and the inlet end of the first flowing channel is communicated with the outside of the shaft; the roller sleeves the shaft, and the inlet end of the first flow channel is located on the right side of the roller; the connecting assembly comprises a bearing seat and a bearing, the bearing seat is installed between the shaft and the roller, the bearing is installed between the bearing seat and the shaft, the bearing is provided with an oil inlet, a second flowing channel is formed in the bearing seat, and the second flowing channel is communicated with the outlet end of the first flowing channel and the oil inlet; according to the utility model, the first flow channel is arranged on the shaft and the second flow channel is arranged on the bearing seat, so that when the roller works normally, lubricating grease can be filled into the bearing through the first flow channel and the second flow channel, and the working efficiency of equipment is not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of rollers, in particular to a lubricating oil filling structure for a fixed-axis movable roller rotary bearing. Background Art

[0002] The existing roller includes a shaft and a roller sleeved outside the shaft, and a bearing is provided between the roller and the shaft. In order to enable the roller to be used for a long time, it is usually necessary to add grease to the bearing. The existing filling structure is arranged on the roller, and the staff can only add grease after the roller stops rotating, which affects the working efficiency of the equipment. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a lubricating oil filling structure for a fixed-axis movable roller rotary bearing.

[0004] According to the first aspect of the utility model, the fixed-axis movable roller rotating bearing lubricating oil filling structure includes a shaft, a roller and a connecting assembly, the shaft has a first flow channel, the inlet end of the first flow channel is connected to the outside of the shaft; the roller is sleeved outside the shaft, and the inlet end of the first flow channel is located on the right side of the roller; the connecting assembly includes a bearing seat and a bearing, the bearing seat is installed between the shaft and the roller, the bearing is installed between the bearing seat and the shaft, the bearing has an oil inlet, and the bearing seat has a second flow channel, the second flow channel is respectively connected to the outlet end of the first flow channel and the oil inlet.

[0005] The fixed-axis movable roller rotating bearing lubricating oil filling structure according to the embodiment of the utility model has at least the following technical effects: by providing a first flow channel on the shaft and a second flow channel on the bearing seat, when the roller is working normally, grease can also be added to the bearing through the first flow channel on the shaft and the second flow channel on the bearing seat, thereby not affecting the working efficiency of the equipment; the first flow channel and the second flow channel are designed separately to facilitate preliminary processing, and there is no need to improve the structure of the bearing.

[0006] According to some embodiments of the present invention, an accommodating cavity is formed between the bearing seat and the shaft, and the bearing is disposed in the accommodating cavity.

[0007] According to some embodiments of the present utility model, the oil inlet is a groove, and the oil inlet is located on the outer side wall of the bearing.

[0008] According to some embodiments of the utility model, the second flow channel includes a first axial section extending along the axial direction of the bearing seat and a first radial section extending along the radial direction of the bearing seat, the two ends of the first radial section are respectively connected to the outlet end of the first flow channel and the first axial section, and the first axial section is connected to the oil inlet.

[0009] According to some embodiments of the utility model, the first radial section passes through the bearing seat along the radial direction of the bearing seat, one end of the first axial section extends to the left end surface of the bearing seat and is provided with a plug, and the other end of the first axial section is connected to the oil inlet.

[0010] According to some embodiments of the utility model, a sealing ring for sealing a gap between the shaft and the bearing seat is provided on the bearing seat, and the sealing ring is provided on both sides of the first radial section in the axial direction.

[0011] According to some embodiments of the present invention, the sealing ring is a rotating sealing ring.

[0012] According to some embodiments of the present invention, the first flow channel includes a second axial segment extending along the axial direction of the shaft and a second radial segment extending along the radial direction of the shaft, one end of the second axial segment is connected to the outside of the shaft, and the second radial segment is respectively connected to the second flow channel and the other end of the second axial segment.

[0013] According to some embodiments of the present invention, the second radial segment is provided in plurality, the middle parts of the plurality of second radial segments intersect at one point, and an angle is formed between every two adjacent second radial segments.

[0014] According to some embodiments of the present invention, the utility model further comprises a refueling pipe connected with the first flow channel, wherein the refueling pipe is installed on the shaft and is located at one side of the roller.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 It is a cross-sectional view of the lubricating oil filling structure of the fixed-axis movable roller rotary bearing according to an embodiment of the utility model;

[0018] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0019] Figure 3 This is an exploded view of the lubricating oil filling structure of the fixed-axis movable roller rotating bearing;

[0020] Figure 4 is a structural schematic diagram of a bearing;

[0021] Figure 5 A cross-sectional view of the bearing housing installed on the shaft.

[0022] Figure numerals: shaft 100, inlet end 101, outlet end 102, first flow channel 110, second axial section 111, second radial section 112, roller 200, connecting assembly 300, bearing seat 310, plug 311, bearing 320, oil inlet 321, second flow channel 330, first axial section 331, first radial section 332, accommodating chamber 340, sealing ring 350, oil filling pipe 400. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0027] Reference Figure 1 , 2As shown in , 3, the fixed-axis movable roller rotary bearing lubricating oil filling structure according to the embodiment of the utility model includes a shaft 100, a roller 200 and a connecting assembly 300, wherein the shaft 100 has a first flow channel 110, and the inlet end 101 of the first flow channel 110 is connected to the outside of the shaft 100; the roller 200 is sleeved outside the shaft 100, and the inlet end 101 of the first flow channel 110 is located on the right side of the roller 200; the connecting assembly 300 includes a bearing seat 310 and a bearing 320, as shown in FIG. Figure 1 , 2 As shown, the bearing seat 310 is installed between the shaft 100 and the roller 200, the bearing 320 is installed between the bearing seat 310 and the shaft 100, the bearing 320 has an oil inlet 321, and the bearing seat 310 has a second flow channel 330, and the second flow channel 330 is respectively connected to the outlet end 102 of the first flow channel 110 and the oil inlet 321.

[0028] By providing a first flow channel 110 on the shaft 100 and a second flow channel 330 on the bearing seat 310, when the roller is working normally, grease can be added to the bearing 320 through the first flow channel 110 on the shaft 100 and the second flow channel 330 on the bearing seat 310, thereby not affecting the working efficiency of the equipment; the first flow channel 110 and the second flow channel 330 are designed separately to facilitate preliminary processing, and there is no need to improve the structure of the bearing 320, thereby reducing manufacturing costs.

[0029] Specifically, Figure 1 As shown, the fixed-axis movable roller rotating bearing lubricating oil filling structure also includes a filling pipe 400 connected to the first flow channel 110, and the filling pipe 400 is installed on the shaft 100. The filling pipe 400 is located on one side of the roller 200. By adopting an external filling pipe 400, maintenance personnel can add grease while the mechanism is running and maintain a safe distance; when the bearing 320 is located on the left side of the roller 200, the inlet end 101 of the first flow channel 110 is located on the left side of the roller 200.

[0030] In some embodiments of the present invention, Figure 1 As shown, a receiving cavity 340 is formed between the bearing seat 310 and the shaft 100, and the bearing 320 is disposed in the receiving cavity 340 to prevent foreign matter outside the roller from entering the bearing 320. Specifically, the bearing seat 310 includes a base and a cover.

[0031] In a further embodiment of the present invention, Figure 2 , 4As shown, the oil inlet 321 is a groove, and the oil inlet 321 is located on the outer wall of the bearing 320, so that the oil inlet 321 can cooperate with the second flow channel 330 to realize that when the bearing seat 310 rotates, the lubricating grease can be transported to the oil groove on the side wall of the bearing 320, so as to better lubricate the bearing 320.

[0032] In a further embodiment of the present invention, Figure 2 As shown, the second flow channel 330 includes a first axial section 331 extending along the axial direction of the bearing seat 310 and a first radial section 332 extending along the radial direction of the bearing seat 310. The two ends of the first radial section 332 are respectively connected to the outlet end 102 of the first flow channel 110 and the first axial section 331. The first axial section 331 is connected to the oil inlet 321. The first axial section 331 and the first radial section 332 are arranged in this way to facilitate the connection between the second flow channel 330 and the oil inlet 321 and the first flow channel 110, so that the lubricating grease can be more easily transported to the bearing 320.

[0033] In a further embodiment of the present invention, Figure 2 As shown, the first radial section 332 penetrates the bearing seat 310 along the radial direction of the bearing seat 310, one end of the first axial section 331 extends to the left end surface of the bearing seat 310 and is provided with a plug 311, and the other end of the first axial section 331 is connected to the oil inlet 321, so that the first radial section 332 and the second radial section 112 are easier to process in the early stage, thereby reducing the manufacturing cost.

[0034] In a further embodiment of the present invention, Figure 1 , 2 As shown, a sealing ring 350 for sealing the gap between the shaft 100 and the bearing seat 310 is disposed on the bearing seat 310 , and sealing rings 350 are disposed on both sides of the first radial section 332 in the axial direction to prevent lubricating grease from leaking to the outside of the bearing seat 310 .

[0035] In a further embodiment of the present invention, the sealing ring 350 is a rotating sealing ring, which makes it easier for the bearing seat 310 to be rotatably connected to the shaft 100 while ensuring that the lubricating grease does not leak out.

[0036] In some embodiments of the present invention, Figure 1 As shown, the first flow channel 110 includes a second axial section 111 extending along the axial direction of the shaft 100 and a second radial section 112 extending along the radial direction of the shaft 100. One end of the second axial section 111 is connected to the outside of the shaft 100, and the second radial section 112 is connected to the second flow channel 330 and the other end of the second axial section 111 respectively. The first flow channel 110 adopts such a design to facilitate the flow of lubricating grease and make it easier for the lubricating grease to lubricate the bearing 320.

[0037] In a further embodiment of the utility model, the second radial segment 112 is arranged in plurality, the middle parts of the plurality of second radial segments 112 intersect at one point, and there is an angle between every two adjacent second radial segments 112, so that the lubricating grease can fully lubricate the bearing 320. Specifically, the second radial segment 112 on the bearing seat 310 is also plurality, and the positions of the plurality of second radial segments 112 correspond one-to-one to the positions of the plurality of second radial segments 112, so that the oil circuit on the shaft 100 is divided into plurality, so as to fully lubricate the bearing 320.

[0038] In the description of this specification, the description with reference to the terms "some embodiments" or "it is conceivable that" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A lubricating oil filling structure for a fixed-axis movable roller rotary bearing, characterized in that: include: A shaft having a first flow channel therein, wherein an inlet end of the first flow channel is in communication with an exterior of the shaft; A roller is sleeved outside the shaft, and the inlet end of the first flow channel is located on the right side of the roller; A connecting assembly includes a bearing seat and a bearing, wherein the bearing seat is installed between the shaft and the roller, and the bearing is installed between the bearing seat and the shaft. The bearing has an oil inlet, and the bearing seat has a second flow channel, and the second flow channel is respectively connected to the outlet end of the first flow channel and the oil inlet.

2. The lubricating oil filling structure for the fixed-axis movable roller rotating bearing according to claim 1 is characterized in that: An accommodating cavity is formed between the bearing seat and the shaft, and the bearing is arranged in the accommodating cavity.

3. The lubricating oil filling structure for the fixed-axis movable roller rotating bearing according to claim 1 or 2, characterized in that: The oil inlet is a groove, and the oil inlet is located on the outer side wall of the bearing.

4. The lubricating oil filling structure for the fixed-axis movable roller rotary bearing according to claim 3 is characterized in that: The second flow channel includes a first axial section extending along the axial direction of the bearing seat and a first radial section extending along the radial direction of the bearing seat, the two ends of the first radial section are respectively connected to the outlet end of the first flow channel and the first axial section, and the first axial section is connected to the oil inlet.

5. The lubricating oil filling structure for the fixed-axis movable roller rotating bearing according to claim 4 is characterized in that: The first radial section passes through the bearing seat along the radial direction of the bearing seat, one end of the first axial section extends to the left end surface of the bearing seat and is provided with a plug, and the other end of the first axial section is connected to the oil inlet.

6. The lubricating oil filling structure for the fixed-axis movable roller rotating bearing according to claim 4 is characterized in that: The bearing seat is provided with a sealing ring for sealing the gap between the shaft and the bearing seat, and the sealing rings are provided on both sides of the first radial section in the axial direction.

7. The lubricating oil filling structure for the fixed-axis movable roller rotary bearing according to claim 6 is characterized in that: The sealing ring is a rotating sealing ring.

8. The lubricating oil filling structure for the fixed-axis movable roller rotary bearing according to claim 1 is characterized in that: The first flow channel includes a second axial segment extending in the axial direction of the shaft and a second radial segment extending in the radial direction of the shaft, one end of the second axial segment is connected to the outside of the shaft, and the second radial segment is respectively connected to the second flow channel and the other end of the second axial segment.

9. The lubricating oil filling structure for the fixed-axis movable roller rotary bearing according to claim 8 is characterized in that: The second radial segments are provided in plurality, the middle parts of the plurality of second radial segments intersect at one point, and an angle is formed between every two adjacent second radial segments.

10. The lubricating oil filling structure for the fixed-axis movable roller rotating bearing according to claim 8, characterized in that: It also includes a refueling pipe communicated with the first flow channel, the refueling pipe is installed on the shaft, and the refueling pipe is located on one side of the roller.

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