Cam bearing with mounting structure

Abstract

The utility model discloses a cam bearing with a mounting structure, comprising a cam bearing main body, the cam bearing main body comprising an outer sleeve, an inner ring body, a protective cover, a nut, a mounting screw and a roller, the mounting screw and the inner ring body being an integrated structure, the nut being rotatably connected to the end of the mounting screw, and the outer sleeve being arranged on the outer surface of the inner ring body; by designing an oil injection and lubrication mechanism, when the cam bearing main body and the camshaft are installed and used, when the camshaft rotates to drive the outer sleeve and the roller to rotate, the oil injection port injects oil into the interior of an annular channel, and after the interior of the annular channel is injected with oil, the oil flows downward along the inner bottom surface of the annular channel, and the flowing lubricating oil penetrates into the interior of the oil injection sponge through the penetration hole, and when the roller rolls, it contacts the oil injection sponge and is squeezed to inject oil to the surface of the roller, so that it is convenient to continuously and evenly inject oil during rotation, so that each roller can be lubricated and is not easily damaged by friction.

Description

Technical Field

[0001] The utility model belongs to the technical field of cam bearings, and in particular relates to a cam bearing with a mounting structure. Background Art

[0002] The camshaft is a component in a piston engine, and its function is to control the opening and closing of the valve. When the camshaft is driven, the other end needs to be installed and rotated with it. It is usually driven by a bearing installation. The existing cam bearing is a device for installing the cam for operation. The cam bearing has an installation structure, which is simple and convenient to install and strengthen the fixation. At the same time, it is easy to lubricate the cam bearing during operation, and the cam bearing rotates smoothly, which improves the uniform lubrication effect of the cam bearing and the camshaft after installation.

[0003] The existing cam bearing is directly fixed and installed at the use position when in use, and the end of the camshaft is fixedly fitted with the outer surface of the outer ring for installation and use, so that the internal rollers of the cam bearing are constantly rolling when it is rotated, and it is not convenient to evenly fill the internal rollers with oil when the rollers are frequently rolled, so that some rollers are not filled with oil and cause friction damage, thereby affecting the uniform oil filling and lubrication effect and service life of the cam bearing when it is installed and used. For this reason, the utility model proposes a cam bearing with a mounting structure. Utility Model Content

[0004] The purpose of the utility model is to provide a cam bearing with a mounting structure to solve the problem in the above-mentioned background technology that when the existing cam bearing is fixedly installed and used, it is not convenient to evenly oil the rollers when the rollers are frequently rolled, so that some rollers are not oiled and cause friction damage, thereby affecting the uniform oiling and lubrication effect and service life of the cam bearing when installed and used.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cam bearing with a mounting structure, comprising a cam bearing body, the cam bearing body comprising an outer ring, an inner ring body, a protective cover, a nut, a mounting screw and a roller, the mounting screw and the inner ring body are an integrated structure, the nut is rotatably connected to the end of the mounting screw, the outer ring is arranged on the outer surface of the inner ring body, the roller is arranged at the connection between the inner surface of the outer ring and the outer surface of the inner ring body, the protective cover is clamped and installed at the side connection between the outer ring and the inner ring body, and the cam bearing body is also provided with:

[0006] An oil injection lubrication mechanism, and the oil injection lubrication mechanism comprises an oil injection lubrication assembly and an oil inlet assembly, wherein the oil injection lubrication assembly is arranged at the inner edge of the outer sleeve ring, and the oil inlet assembly is arranged at one side of the oil injection assembly and located at the side of the outer sleeve ring;

[0007] The extrusion reinforcement mechanism comprises a limiting component and an elastic extrusion fixing component. The limiting component is arranged at the outer surface edge of the outer sleeve ring, and the elastic extrusion fixing component is arranged on the surface of the limiting component.

[0008] Preferably, the oil injection lubrication assembly comprises an annular channel provided at the inner edge of the outer ring, the inner surface of the annular channel is provided with a penetration hole on the surface of the roller, and an oil injection sponge is fixedly mounted on the inner surface of the penetration hole by screws.

[0009] Preferably, the upper surface of the oil-filled sponge matches the lower surface structure of the penetration hole, and the lower surface of the oil-filled sponge contacts the outer surface of the roller.

[0010] Preferably, the oil inlet assembly comprises an oil filling port opened on one side of the annular channel and located inside the outer sleeve ring, and a sealing cover is rotatably connected to the end of the oil filling port.

[0011] Preferably, the limiting assembly comprises a groove formed at the edge of the outer surface of the outer ring, limiting grooves are formed at both ends of the groove, and the interior of the groove is slidingly connected to the limiting plate via the limiting grooves.

[0012] Preferably, the elastic extrusion fixing assembly comprises an elastic plate arranged at the connection between the lower surface of the limiting plate and the inner bottom end of the groove, and the upper surface of the limiting plate is provided with a friction extrusion clamping plate.

[0013] Preferably, the end of the friction and compression clamping plate extends to the surface of the groove, and the friction and compression clamping plate and the inside of the groove are elastically connected through the limiting plate and the elastic plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By designing the oil injection lubrication mechanism, when the cam bearing body and the camshaft are installed and used, when the camshaft rotates to drive the outer ring and the roller to rotate, the oil injection port injects oil into the inside of the annular channel. After the inside of the annular channel is filled with oil, the oil flows downward along the bottom surface of the inside of the annular channel. The flowing lubricating oil penetrates into the inside of the oil injection sponge through the penetration holes, and when the roller rolls, it contacts the oil injection sponge and is squeezed to a certain extent to inject oil on the surface of the roller, which is convenient for continuous and uniform oil injection during rotation, so that each roller can be lubricated, is not easy to cause friction damage, and improves the uniform lubrication effect when the cam bearing body and the camshaft are installed and used. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 For this utility model Figure 2 The enlarged structural diagram of part A in the middle;

[0019] Figure 4 It is a schematic diagram of the structure of the outer ring, roller and annular channel of the utility model;

[0020] Figure 5 For this utility model Figure 3 The enlarged structural diagram of part B in the middle;

[0021] Figure 6 This is a schematic diagram of the friction extrusion clamping plate and the limit plate structure of the utility model;

[0022] In the figure: 100, cam bearing body; 101, outer ring; 1011, groove; 1012, friction extrusion clamp; 1013, limit plate; 1014, limit groove; 1015, elastic plate; 102, inner ring body; 103, sealing cover; 104, nut; 105, mounting screw; 106, roller; 1061, annular channel; 1062, penetration hole; 1063, oil injection sponge; 1064, sealing cover; 1065, oil injection port. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figures 1 to 6The utility model provides a technical solution: a cam bearing with a mounting structure, including a cam bearing body 100, the cam bearing body 100 includes an outer ring 101, an inner ring body 102, a protective cover 103, a nut 104, a mounting screw 105 and a roller 106, the mounting screw 105 and the inner ring body 102 are an integrated structure, the nut 104 is rotatably connected to the end of the mounting screw 105, the mounting screw 105 is passed through the through hole for external installation, and the end of the mounting screw 105 rotates the nut 104 to mount the cam bearing body The cam bearing body 100 is fixedly installed, and it is convenient to fix and install the cam bearing body 100 for use. The outer ring 101 is arranged on the outer surface of the inner ring body 102, and the roller 106 is arranged at the connection between the inner surface of the outer ring 101 and the outer surface of the inner ring body 102. The protective cover 103 is clamped and installed at the side connection between the outer ring 101 and the inner ring body 102, and the end of the camshaft is clamped and fixedly installed on the outer surface of the outer ring 101, so as to facilitate the installation and operation of the camshaft through the cam bearing body 100. The cam bearing body 100 is also provided with:

[0025] An oil injection lubrication mechanism, and the oil injection lubrication mechanism includes an oil injection lubrication component and an oil inlet component. The oil injection lubrication component is arranged at the inner edge of the outer ring 101, and the oil inlet component is arranged on one side of the oil injection component and is located on the side of the outer ring 101. When the cam bearing body 100 and the camshaft are installed and put into operation, the cam bearing body 100 drives the roller 106 to rotate, and the oil injection lubrication mechanism injects oil and lubricates the roller 106, so that each roller 106 can be lubricated, and is not easy to cause friction damage, thereby improving the uniform lubrication effect of the cam bearing body 100 and the camshaft when they are installed and used.

[0026] In order to facilitate uniform oil injection and lubrication treatment for each roller 106 through the oil injection lubrication assembly, in the present embodiment, preferably, the oil injection and lubrication assembly includes an annular channel 1061 opened at the inner edge of the outer ring 101, and the inner surface of the annular channel 1061 is located on the surface of the roller 106 and is provided with a penetration hole 1062, and the upper surface of the oil injection sponge 1063 is consistent with the lower surface structure of the penetration hole 1062. After the lubricating oil is injected into the inside of the annular channel 1061, it flows along the inner surface of the annular channel 1061 and penetrates into the inside of the oil injection sponge 1063 through the penetration hole 1062. The inner surface of the penetration hole 1062 is fixed with the oil injection sponge 1063 by screws, and the lower surface of the oil injection sponge 1063 is in contact with the outer surface of the roller 106, and the surface of the roller 106 that contacts the oil injection sponge 1063 when rolling is oiled and lubricated.

[0027] In order to facilitate the injection of oil into the interior of the annular channel 1061 through the oil inlet assembly and facilitate the oil injection and lubrication process, in the present embodiment, preferably, the oil inlet assembly includes an oil injection port 1065 opened on one side of the annular channel 1061 and located inside the outer ring 101, and the end of the oil injection port 1065 is rotatably connected to a sealing cover 1064, and oil is injected into the interior of the annular channel 1061 through the oil injection port 1065, and after the oil is injected, the sealing cover 1064 is rotated and sealed and fixedly installed.

[0028] An extrusion reinforcement mechanism is provided, and the extrusion reinforcement mechanism includes a limit component and an elastic extrusion fixing component. The limit component is arranged at the outer surface edge of the outer sleeve 101. The surface of the elastic extrusion fixing component makes it easy to fit 100 and the camshaft together for installation, and then the extrusion reinforcement mechanism is used to strengthen and fix the installation. When subjected to external force during use, the operation is more stable, thereby improving the fixation of the cam bearing body 100 and the camshaft.

[0029] In order to facilitate the stable elastic movement of the friction extrusion clamp 1012 through the limiting component and to further extrude and reinforce the installation, in this embodiment, preferably, the limiting component includes a groove 1011 opened at the edge of the outer surface of the outer ring 101, and limiting grooves 1014 are opened at both ends of the interior of the groove 1011, and the interior of the groove 1011 is limitedly slidably connected to the limiting plate 1013 through the limiting groove 1014, and the limiting plate 1013 can be limitedly connected in the interior of the groove 1011 through the limiting groove 1014, which is convenient for limited sliding control.

[0030] In order to facilitate the installation of the cam bearing body 100 on the inner surface of the camshaft end through the elastic extrusion fixing component and strengthen the fixation, so as to facilitate the fixed installation and stable use, in this embodiment, preferably, the elastic extrusion fixing component includes an elastic plate 1015 arranged at the connection between the lower surface of the limiting plate 1013 and the bottom end of the groove 1011, and the friction extrusion clamping plate 1012 and the inside of the groove 1011 are elastically connected through the limiting plate 1013 and the elastic plate 1015. The limiting plate 1013 is conveniently elastically connected to the friction extrusion clamping plate 1012 through the elastic plate 1015, which is easy to be elastically extruded and fixedly installed, and the upper surface of the limiting plate 1013 is provided with a friction extrusion clamping plate 1012.

[0031] The working principle and use process of the utility model are as follows: before using the cam bearing with the installation structure, firstly, the installation screw 105 is passed through the through hole for external installation, and the end of the installation screw 105 rotates the nut 104 to fix and install the cam bearing body 100, and it is convenient to fix and install the cam bearing body 100 for use. After installation, the end of the camshaft is again clamped on the outer surface of the outer ring 101 for fixed installation, so as to facilitate the installation and operation of the camshaft through the cam bearing body 100;

[0032] Then, after the cam bearing body 100 is fixedly installed, the camshaft is sleeved and installed on the outer surface of the outer sleeve ring 101, the elastic plate 1015 is deformed to drive the limiting plate 1013 to move within the groove 1011 by the limiting groove 1014. When the limiting plate 1013 moves in a limited manner, it drives the friction and extrusion clamping plate 1012 to move and be extruded and fixed on the inner surface of the end of the camshaft, so that the cam bearing body 100 and the end of the camshaft can be sleeved and installed to strengthen the fixed driving use, and it can run more stably when subjected to external force during use, thereby improving the fixity of the cam bearing body 100 and the camshaft.

[0033] Finally, when the cam bearing body 100 and the camshaft are installed and used, and the camshaft rotates to drive the outer ring 101 and the roller 106 to rotate, oil is injected into the interior of the annular channel 1061 through the oil filling port 1065. After the annular channel 1061 is injected with oil, the oil flows downward along the inner bottom surface of the annular channel 1061. The flowing lubricating oil penetrates into the interior of the oil sponge 1063 through the penetration hole 1062, and the roller 106 contacts the oil sponge 1063 when rolling and is squeezed to inject oil to the surface of the roller 106, which facilitates continuous and uniform oil injection during rotation, so that each roller 106 can be lubricated, is not easily damaged by friction, and improves the uniform lubrication effect when the cam bearing body 100 and the camshaft are installed and used.

[0034] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cam bearing with a mounting structure, comprising a cam bearing body (100), wherein the cam bearing body (100) comprises an outer ring (101), an inner ring body (102), a protective cover (103), a nut (104), a mounting screw (105) and a roller (106), wherein the mounting screw (105) and the inner ring body (102) are an integrated structure, wherein the nut (104) is rotatably connected to the end of the mounting screw (105), the outer ring (101) is arranged on the outer surface of the inner ring body (102), the roller (106) is arranged at the connection between the inner surface of the outer ring (101) and the outer surface of the inner ring body (102), and the protective cover (103) is snap-fitted and mounted at the side connection between the outer ring (101) and the inner ring body (102), characterized in that: The cam bearing body (100) is also provided with: An oil injection lubrication mechanism, wherein the oil injection lubrication mechanism comprises an oil injection lubrication assembly and an oil inlet assembly, wherein the oil injection lubrication assembly is arranged at the inner edge of the outer sleeve (101), and the oil inlet assembly is arranged at one side of the oil injection assembly and located on the side of the outer sleeve (101); An extrusion reinforcement mechanism comprises a limiting component and an elastic extrusion fixing component, wherein the limiting component is arranged at the outer surface edge of an outer sleeve ring (101), and the elastic extrusion fixing component is arranged on the surface of the limiting component.

2. The cam bearing with a mounting structure according to claim 1, characterized in that: The oil injection lubrication assembly comprises an annular channel (1061) provided at the inner edge of the outer ring (101); the inner surface of the annular channel (1061) is provided with a penetration hole (1062) located on the surface of the roller (106); and an oil injection sponge (1063) is fixedly mounted on the inner surface of the penetration hole (1062) by means of screws.

3. The cam bearing with a mounting structure according to claim 2, characterized in that: The upper surface of the oil injection sponge (1063) matches the structure of the lower surface of the penetration hole (1062), and the lower surface of the oil injection sponge (1063) contacts the outer surface of the roller (106).

4. The cam bearing with a mounting structure according to claim 2, characterized in that: The oil inlet assembly comprises an oil filling port (1065) opened on one side of the annular channel (1061) and located inside the outer ring (101); the end of the oil filling port (1065) is rotatably connected to a sealing cover (1064).

5. The cam bearing with a mounting structure according to claim 1, characterized in that: The limiting assembly comprises a groove (1011) formed at the edge of the outer surface of the outer ring (101), limiting grooves (1014) are formed at both ends of the interior of the groove (1011), and the interior of the groove (1011) is connected to the limiting plate (1013) in a limiting sliding manner via the limiting grooves (1014).

6. The cam bearing with a mounting structure according to claim 5, characterized in that: The elastic extrusion fixing assembly comprises an elastic plate (1015) arranged at the connection between the lower surface of the limiting plate (1013) and the inner bottom end of the groove (1011), and the upper surface of the limiting plate (1013) is provided with a friction extrusion clamping plate (1012).

7. The cam bearing with a mounting structure according to claim 6, characterized in that: The end of the friction and compression clamping plate (1012) extends to the surface of the groove (1011), and the friction and compression clamping plate (1012) and the interior of the groove (1011) are elastically connected via the limiting plate (1013) and the elastic plate (1015).

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