High-sealing-performance chain transmission conveying roller

Abstract

The utility model relates to the technical field of conveying rollers, in particular to a high-sealing-performance chain transmission conveying roller which comprises a roller body, a mandrel located in the roller body, a chain wheel arranged at one end of the roller body and a first bearing connected with the chain wheel and the mandrel. A bearing seat used for installing a second bearing is arranged between the other end of the barrel and the mandrel, and a sealing assembly is arranged on the outer side of the second bearing. The sealing assembly comprises a first connecting part arranged along the inner wall of the bearing seat, a second connecting part arranged along the outer portion of the mandrel and connected with the first connecting part in a sealed mode, a sealing cover part covering the first connecting part and the second connecting part, and a positioning part used for fixing the sealing cover part. A sealing cavity is defined by the first connecting part, the second connecting part, the sealing cover part and the positioning part, and the sealing assembly is arranged, so that the inside of the roller is effectively prevented from being eroded by outdoor dust and rainwater.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying roller technology field especially relates to a high sealing property chain transmission conveying roller. BACKGROUND

[0002] In some special working conditions, when the piece goods are conveyed outdoors, dust or rain may be encountered, and the conveying roller with the conventional structure in the industry is difficult to meet the reliable use under the working condition, and the outdoor dust or rain can easily enter the inside of the roller, pollute the bearing and cause the roller to be damaged too fast, so that the roller cannot bear the outdoor dust and rain for a long time. SUMMARY

[0003] The utility model discloses a high sealing property chain transmission conveying roller which solves the above-mentioned shortcomings in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A high sealing property chain transmission conveying roller is designed, which comprises a barrel, a mandrel located in the barrel, a sprocket arranged at one end of the barrel, a bearing one connecting the sprocket and the mandrel, a bearing seat for mounting a bearing two arranged between the other end of the barrel and the mandrel, a sealing assembly arranged on the outer side of the bearing two, the sealing assembly comprising a first connecting part arranged along the inner wall of the bearing seat, a second connecting part arranged along the outer part of the mandrel and sealingly connected with the first connecting part, a cover part covering the first connecting part and the second connecting part, and a positioning part for fixing the cover part, and a sealing cavity is formed between the first connecting part, the second connecting part, the cover part and the positioning part.

[0006] Further, the bearing seat comprises a bottom plate arranged along the mandrel, a pipe body one perpendicularly connected with the bottom plate, a pipe body two connected with the inner wall of the barrel, and a pipe body three connecting the pipe body one and the pipe body two, the inner ring of the bearing two is connected with the mandrel, and the outer ring of the bearing two is connected with the pipe body one.

[0007] Further, the cross section of the pipe body one and the cross section of the pipe body three have an included angle a, wherein 120° < a < 150°.

[0008] Further, the first connecting part comprises a first ring plate and ring grooves arranged on the first ring plate in a spaced manner.

[0009] Further, the second connecting part comprises a second ring plate and annular protrusions arranged on the second ring plate in a spaced manner, and the annular protrusions sealingly cooperate with the ring grooves.

[0010] Further, the cover part comprises a middle ring plate, an extension plate one arranged along the outer edge of the middle ring plate and extending towards the first ring plate, and an extension plate two arranged along the inner edge of the middle ring plate and extending away from the second ring plate.

[0011] Further, the first ring plate is provided with a positioning groove, and one end of the extension plate one is sealingly matched with the positioning groove.

[0012] Further, the positioning part comprises a third ring plate arranged along the mandrel and abutting against the second ring plate, and a recess groove arranged on the third ring plate and sealingly matched with the extension plate two.

[0013] The high-sealing chain transmission conveying roller has the advantages that:

[0014] The first connecting part is arranged on the inner wall of the bearing seat, the second connecting part is sealingly connected with the first connecting part, the first layer of sealing is formed on the outer side of the bearing two, the outdoor dust or rainwater is prevented from invading into the roller, the cover part, the positioning part and the sealing cavity are arranged, the second layer of sealing is formed on the outer side of the first connecting part and the second connecting part, the dust or rainwater is further prevented from entering, and the outdoor dust and rainwater are effectively prevented from eroding the inside of the roller. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 1 is a structural schematic view of the utility model;

[0016] Figure 2 Fig. 2 is a schematic view of a sealing assembly;

[0017] Figure 3 Fig. 3 is a perspective view of a bearing seat;

[0018] Figure 4 Fig. 4 is a sectional view of the bearing seat; DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Embodiment, refer to Figures 1-4The utility model discloses a kind of high sealing chain drive conveying roller, including cylinder 1, mandrel 2 located in cylinder 1, sprocket 3 being provided at one end of cylinder 1, bearing one 4 connecting sprocket 3 and mandrel 2, sprocket 3 outside in the embodiment is installed skeleton oil seal 8, when assembling skeleton oil seal 8, lithium base lubricating grease is filled in the inside of oil seal, bearing seat 6 for installing bearing two 5 is provided between the other end of cylinder 1 and mandrel 2, sealing assembly 7 is provided with outside bearing two 5, sealing assembly 7 includes first connecting portion 701 being arranged along the inner wall of bearing seat 6, second connecting portion 702 being arranged outside mandrel 2 and being sealedly connected with first connecting portion 701, cover portion 703 covering first connecting portion 701 and second connecting portion 702, positioning portion 704 for fixing cover portion 703, first connecting portion 701, second connecting portion 702, cover portion 703, positioning portion 704 are enclosed with sealing cavity 705, preferably, lithium base lubricating grease is filled in sealing cavity 705 in the embodiment.

[0021] The utility model discloses a kind of high sealing chain drive conveying roller, including cylinder 1, mandrel 2 located in cylinder 1, sprocket 3 being provided at one end of cylinder 1, bearing one 4 connecting sprocket 3 and mandrel 2, sprocket 3 outside in the embodiment is installed skeleton oil seal 8, when assembling skeleton oil seal 8, lithium base lubricating grease is filled in the inside of oil seal, bearing seat 6 for installing bearing two 5 is provided between the other end of cylinder 1 and mandrel 2, sealing assembly 7 is provided with outside bearing two 5, sealing assembly 7 includes first connecting portion 701 being arranged along the inner wall of bearing seat 6, second connecting portion 702 being arranged outside mandrel 2 and being sealedly connected with first connecting portion 701, cover portion 703 covering first connecting portion 701 and second connecting portion 702, positioning portion 704 for fixing cover portion 703, first connecting portion 701, second connecting portion 702, cover portion 703, positioning portion 704 are enclosed with sealing cavity 705, preferably, lithium base lubricating grease is filled in sealing cavity 705 in the embodiment.

[0022] In an alternative embodiment of the utility model, bearing seat 6 includes bottom plate 601 being arranged along mandrel 2, pipe body one 602 being connected perpendicularly with bottom plate 601, pipe body two 603 being connected with the inner wall of cylinder 1, pipe body three 604 connecting pipe body one 602 and pipe body two 603, inner ring of bearing two 5 is connected with mandrel 2, outer ring of bearing two 5 is connected with pipe body one 602, preferably, pipe body two 603 and the inner wall of cylinder 1 are weldedly connected in the embodiment.

[0023] In an alternative embodiment of the utility model, the cross section of pipe body one 602 and the cross section of pipe body three 604 have included angle a, wherein 120 ° < a < 150 °, pipe body three 604 is obliquely arranged between pipe body one 602 and pipe body two 603, when cylinder 1 is stressed, pipe body two 603 extrudes pipe body one 602 through pipe body three 604, so that the contact of pipe body one 602 and sealing assembly 7 is more close.

[0024] In an alternative embodiment of the utility model, first connecting portion 701 includes first ring plate 7011, ring groove 7012 being spaced apart on first ring plate 7011, preferably, first ring plate 7011 and the inner wall of bearing seat 6 are interference fit in the embodiment.

[0025] In an optional embodiment of the utility model, the second connecting part 702 includes a second ring plate 7021, annular protrusions 7022 spaced apart on the second ring plate 7021, and the annular protrusions 7022 and the ring groove 7012 are in sealing fit.

[0026] In an optional embodiment of the utility model, the cover part 703 includes a middle ring plate 7031, an extension plate one 7032 arranged along the outer edge of the middle ring plate 7031 and extending towards the first ring plate 7011, and an extension plate two 7033 arranged along the inner edge of the middle ring plate 7031 and extending away from the second ring plate 7021.

[0027] In an optional embodiment of the utility model, the first ring plate 7011 is provided with a positioning groove 7013, one end of the extension plate one 7032 is in sealing fit with the positioning groove 7013, and the sealing connection between the first ring plate 7011 and the cover part 703 is realized by fixing one end of the extension plate one 7032 in the positioning groove 7013.

[0028] In an optional embodiment of the utility model, the positioning part 704 includes a third ring plate 7041 arranged along the mandrel 2 and abutting against the second ring plate 7021, and a recessed groove 7042 formed in the third ring plate 7041, and the recessed groove 7042 and the extension plate two 7033 are in sealing fit, and the sealing connection between the third ring plate 7041 and the cover part 703 is realized by fixing one end of the extension plate two 7033 in the recessed groove 7042.

[0029] Although the embodiments of the utility model have been shown and described above, it should be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and those skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.

[0030] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the technical scheme of the patent and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0031] In addition, the terms "first", "second", etc. are used only for descriptive purposes and do not connote or imply a relative importance of or a specific order of the indicated features. Thus, a feature defined with "first" or "second" can include at least one of the features. In the description of the present patent application, the meaning of "a plurality" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0032] In the present specification, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present specification can be understood according to the specific circumstances.

[0033] In the present specification, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0034] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" 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 present application. In the present specification, the illustrative description 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 appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present specification without contradiction.

[0035] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A high-sealing chain drive conveying roller, comprising a cylinder (1), a mandrel (2) located in the cylinder (1), a sprocket (3) arranged at one end of the cylinder (1), a bearing I (4) connecting the sprocket (3) and the mandrel (2), characterized in that: The other end of the barrel (1) and the mandrel (2) are provided with a bearing seat (6) for installing bearing two (5), the outer side of the bearing two (5) is provided with a sealing assembly (7), the sealing assembly (7) comprises a first connecting part (701) arranged along the inner wall of the bearing seat (6), a second connecting part (702) arranged along the outer part of the mandrel (2) and sealedly connected with the first connecting part (701), a cover part (703) covering the first connecting part (701) and the second connecting part (702), and a positioning part (704) for fixing the cover part (703), the first connecting part (701), the second connecting part (702), the cover part (703) and the positioning part (704) form a sealing cavity (705).

2. The high-sealing chain drive conveyor roller of claim 1, wherein: The bearing seat (6) comprises a bottom plate (601) arranged along the mandrel (2), a pipe body one (602) vertically connected with the bottom plate (601), a pipe body two (603) connected with the inner wall of the barrel (1), and a pipe body three (604) connecting the pipe body one (602) and the pipe body two (603), the inner ring of the bearing two (5) is connected with the mandrel (2), and the outer ring of the bearing two (5) is connected with the pipe body one (602).

3. The high-sealing chain drive conveyor roller of claim 2, wherein: The cross section of the pipe body one (602) and the cross section of the pipe body three (604) have an included angle a, wherein 120°<a<150°.

4. The high-sealing chain drive conveyor roller of claim 2, wherein: The first connecting part (701) comprises a first ring plate (7011) and ring grooves (7012) arranged on the first ring plate (7011) at intervals.

5. The high-sealing chain drive conveyor roller of claim 4, wherein: The second connecting part (702) comprises a second ring plate (7021) and annular protrusions (7022) arranged on the second ring plate (7021) at intervals, the annular protrusions (7022) and the ring grooves (7012) are sealingly matched.

6. The high-sealing chain drive conveyor roller of claim 5, wherein: The cover part (703) comprises a middle ring plate (7031), an extension plate one (7032) arranged along the outer edge of the middle ring plate (7031) and extending towards the first ring plate (7011), and an extension plate two (7033) arranged along the inner edge of the middle ring plate (7031) and extending away from the second ring plate (7021).

7. The high-sealing chain drive conveyor roller of claim 6, wherein: The first ring plate (7011) is provided with a positioning groove (7013), one end of the extension plate one (7032) is sealingly matched with the positioning groove (7013).

8. The high-sealing chain drive conveyor roller of claim 6, wherein: The positioning part (704) comprises a third ring plate (7041) arranged along the mandrel (2) and abutting against the second ring plate (7021), and a recessed groove (7042) arranged on the third ring plate (7041), the recessed groove (7042) and the extension plate two (7033) are sealingly matched.

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