CN212197281U - Reverse all-metal waterproof carrier roller seal - Google Patents
Reverse all-metal waterproof carrier roller seal Download PDFInfo
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- CN212197281U CN212197281U CN202020763516.2U CN202020763516U CN212197281U CN 212197281 U CN212197281 U CN 212197281U CN 202020763516 U CN202020763516 U CN 202020763516U CN 212197281 U CN212197281 U CN 212197281U
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Abstract
The utility model discloses a, reverse all-metal waterproof type bearing roller is sealed, sets up the inside and outside both sides of bearing between bearing frame and roller, including install in the bearing inboard with be used for sealing between the bearing frame the inboard dustproof gasket of bearing, the bearing outside is located install between bearing frame and the roller and be used for sealing the reverse metal seal group of the bearing outside, be equipped with in the reverse metal seal group and be used for filling the grease and with the seal space of bearing intercommunication, the outside of reverse metal seal group corresponds to seal to have the waterproof sealing washer of fixing outside the roller; through the combined design of dustproof gasket, reverse metal seal group, waterproof sealing circle for have simultaneously that the rotating resistance is little, water-proof effects is good, to the better advantage of the inside and outside protection of bearing, simple structure, reasonable in design have better use value and popularization effect simultaneously.
Description
Technical Field
The utility model relates to a bearing roller sealing device especially relates to a waterproof type bearing roller of metal is sealed.
Background
The carrier roller is an important component of the belt conveyor and is very widely applied. The quality and the life of the carrier roller mainly depend on the carrier roller seals at two ends of the carrier roller, and the carrier roller seals play a decisive role in important indexes of the carrier roller, such as rotation resistance, water resistance, dust resistance and the like. In the prior art, the carrier roller seal of a belt conveyor is generally an injection seal, namely a plastic seal, the seal gap is small, the resistance is easy to be larger after grease is injected, particularly the rotation resistance is larger, and meanwhile, the seal does not have a waterproof effect; however, the sealing with waterproof effect will have larger resistance and cannot meet the use requirement. Therefore, the carrier roller seal which is small in sealing resistance and good in waterproof effect cannot be met simultaneously in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a reverse all-metal waterproof type bearing roller seal that rotation resistance is little, water-proof effects is good, to the inside and outside protection of bearing better is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the waterproof type bearing roller of reverse full metal is sealed, sets up the inside and outside both sides of bearing between bearing frame and roller, including installing the bearing inboard with be used for sealing between the bearing frame the inboard dustproof gasket of bearing, the bearing outside is located the bearing frame with install between the roller and be used for sealing the reverse metal seal group in the bearing outside, reverse metal seal group is equipped with be used for filling the grease and with the seal space of bearing intercommunication, the outside of reverse metal seal group corresponds sealed to have to be fixed the outer waterproof sealing circle of roller.
And as a preferable technical scheme, the inner side and the outer side of the bearing are correspondingly provided with an elastic collar and an elastic clamp spring for the shaft, which are fixed outside the roller shaft.
According to a preferable technical scheme, the reverse metal sealing group comprises an outer ring sealing group and an inner ring sealing group which are opposite and arranged in a clearance mode, the outer ring sealing group is fixed in the bearing seat, the inner ring sealing group is installed outside the roller shaft and located on the inner side of the outer ring sealing group, and the sealing space is arranged between the outer ring sealing group and the inner ring sealing group.
Preferably, the outer ring seal set comprises an outer ring L-shaped inner seal member abutting against the outer side of the bearing outer ring and an outer ring L-shaped outer seal member abutting against the outer side of the outer ring L-shaped inner seal member, the inner ring sealing group comprises an inner ring L-shaped outer sealing element and an inner ring reverse L-shaped inner sealing element which are oppositely connected, the inner ring reverse L-shaped inner sealing element is reversely arranged and is abutted against the outer side of the elastic clamp spring for the shaft, the sealing lip of the inner ring reverse L-shaped inner sealing element, the sealing lip of the outer ring L-shaped inner sealing element, the sealing lip of the inner ring L-shaped outer sealing element and the sealing lip of the outer ring L-shaped outer sealing element extend oppositely from inside to outside in sequence and are in staggered clearance fit, the seal lip orientation of outer lane L type external seal the roller surface extends, waterproof sealing ring installs the seal lip of outer lane L type external seal with clearance fit department between the roller.
As a preferred technical solution, the dustproof gasket is a JV-shaped metal gasket, the JV-shaped metal gasket includes a J-shaped mounting portion having an outer ring clamped between the inner side of the bearing and the bearing seat, an inner ring of the J-shaped mounting portion is provided with a V-shaped closed folded edge bent inward for closing the inner side of the bearing, and the J-shaped mounting portion and the V-shaped closed folded edge are integrally formed.
According to a preferable technical scheme, the waterproof sealing ring is an AV type water seal, and a sealing lip of the AV type water seal is sealed at a matching position between the reverse metal sealing group and the roller shaft.
By adopting the technical scheme, the reverse all-metal waterproof carrier roller seal is arranged on the inner side and the outer side of the bearing between the bearing seat and the roller shaft and comprises a dustproof gasket which is arranged between the inner side of the bearing and the bearing seat and used for sealing the inner side of the bearing, a reverse metal seal group which is arranged between the bearing seat and the roller shaft and used for sealing the outer side of the bearing is arranged on the outer side of the bearing, a seal space which is used for filling grease and is communicated with the bearing is arranged in the reverse metal seal group, and a waterproof seal ring which is fixed outside the roller shaft is correspondingly sealed on the outer side of the reverse metal seal group; the utility model has the advantages that: the dustproof gasket is arranged on the inner side of the bearing, so that impurities in the carrier roller pipe can be effectively prevented from entering the bearing, and the service life of the bearing is prolonged; the reverse metal sealing group is formed with a closed space, the closed space is filled with grease, a bearing can be effectively lubricated, the friction coefficient between the metal seal and the grease is small due to the fact that the reverse metal sealing group is metal seal, the friction resistance is low, the resistance between the metal seal and the grease is small during rotation, the reverse metal sealing group increases the resistance and the movement stroke of water entering the bearing, and has a good blocking effect on water and impurities, and meanwhile, a waterproof sealing ring is sealed on the outer side of the reverse metal sealing group and further blocks water and impurities from entering the bearing; through the combined design of dustproof gasket, reverse metal seal group, waterproof sealing circle for have simultaneously that the rotating resistance is little, water-proof effects is good, to the better advantage of the inside and outside protection of bearing, simple structure, reasonable in design have better use value and popularization effect simultaneously.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: 1-a bearing seat; 2-a roll shaft; 3-a bearing; 4-dustproof gasket; 5-reverse metal seal group; 51-outer ring L-shaped inner seal; 52-outer ring L-shaped outer seal; 53-inner ring L-shaped outer seal; 54-inner race reverse L-shaped inner seal; 6-waterproof sealing ring; 7-elastic retainer ring for shaft; 8-elastic snap spring is used for the shaft.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, the reverse all-metal waterproof carrier roller seal is arranged on the inner side and the outer side of a bearing 3 between a bearing seat 1 and a roller shaft 2, the roller shaft 2 is a cold-drawing carrier roller shaft 2, and the bearing 3 is a deep groove ball bearing. The installation mode between the bearing 3 and the bearing pedestal 1 and the roll shaft 2 belongs to the prior art, and is not described again.
As shown in fig. 1, the reverse all-metal waterproof carrier roller seal comprises a bearing 3 inner side and a bearing seat 1 between which a sealing is performed, wherein a dustproof gasket 4 on the inner side of the bearing 3 is arranged, the outer side of the bearing 3 is arranged on the bearing seat 1 and a roller shaft 2 between which a sealing is performed, a reverse metal seal group 5 on the outer side of the bearing 3 is arranged, a sealing space for filling grease is arranged in the reverse metal seal group 5 and is communicated with the bearing 3, and a waterproof sealing ring 6 fixed outside the roller shaft 2 is correspondingly sealed on the outer side of the reverse metal seal group 5. The dustproof gasket 4 is arranged on the inner side of the bearing 3, so that impurities in the carrier roller pipe can be effectively prevented from entering the bearing 3, and the service life of the bearing 3 is prolonged; be formed with in reverse metal seal group 5 and be sealed closed the enclosure space, be used for filling the grease in the enclosure space, can effective lubrication bearing 3, and because reverse metal seal group 5 is metal seal, and the coefficient of friction between metal seal and the grease is very little, and frictional resistance is low, and the resistance between the grease is less during rotatory, and this reverse metal seal group 5 has increased resistance and motion stroke in water entering bearing 3, has better effect of blockking to water and impurity, simultaneously owing to reverse metal seal group 5's outside is sealed has waterproof sealing ring 6, this waterproof sealing ring 6 further blocks water and impurity entering. Through the combined design of dustproof gasket 4, reverse metal seal group 5, waterproof sealing ring 6 for have simultaneously that the rotating resistance is little, water-proof effects is good, to the better advantage of the inside and outside protection of bearing, simple structure, reasonable in design have better use value and popularization effect simultaneously.
The inner side and the outer side of the bearing 3 are correspondingly provided with an axial elastic retainer ring 7 and an axial elastic clamp spring 8 which are fixed outside the roller shaft 2, and the axial elastic retainer ring 7 is matched with the axial elastic clamp spring 8 to be used for positioning the inner ring of the bearing 3 and ensuring the axial positioning of the bearing 3.
The dustproof gasket 4 is a JV type metal gasket, the JV type metal gasket comprises a J type mounting part of which the outer ring is clamped between the inner side of the bearing 3 and the bearing seat 1, and the inner ring of the J type mounting part is provided with a V type sealing folded edge which is bent inwards and used for sealing the inner side of the bearing 3; the J-shaped mounting part and the V-shaped closed folded edge are integrally formed, and the inner side of the J-shaped mounting part and the outer side of the V-shaped closed folded edge are connected to form the JV-shaped metal gasket together. The inboard of bearing frame 1 is provided with the location flange of location bearing 3, the outer lane of J type installation department is installed just press from both sides in the bearing frame 1 and be in the location flange of bearing frame 1 with between the 3 inboards of bearing, be used for realizing the fixed mounting of JV type metal gasket, the inner circle of J type installation department sets up the closed hem of V type, the closed hem orientation of V type bearing 3 is inwards buckled, is used for sealing 3 inboards of bearing, this the closed hem of V type will the position of installing the ball between 3 inner circles of bearing and the outer lane surrounds in, just the closed hem of V type not with roller 2 interferes, can prevent effectively that the intraductal impurity of bearing roller from getting into in the bearing 3, can effectively improve the life of bearing.
The waterproof sealing ring 6 is an AV type water seal, the AV type water seal is the prior art, and belongs to the common technical field of common engineering personnel, the AV type water seal is installed on the roller shaft 2, and a sealing lip of the AV type water seal is sealed at the matching position between the reverse metal sealing group 5 and the roller shaft 2, so that contact type sealing can be formed, water and impurities are effectively prevented from entering the reverse metal sealing group 5 and the bearing 3, and the waterproofness of the device is improved.
The reverse metal seal group 5 comprises an outer ring seal group and an inner ring seal group which are opposite and arranged in a clearance mode, the outer ring seal group is fixed in the bearing seat 1, the inner ring seal group is installed outside the roller shaft 2 and located on the inner side of the outer ring seal group, and a seal space is arranged between the outer ring seal group and the inner ring seal group.
The outer ring seal group comprises an outer ring L-shaped inner seal 51 abutting against the outer side of the outer ring of the bearing 3 and an outer ring L-shaped outer seal 52 abutting against the outer side of the outer ring L-shaped inner seal 51, the inner ring sealing group comprises an inner ring L-shaped outer sealing element 53 and an inner ring reverse L-shaped inner sealing element 54 which are oppositely connected, the inner ring reverse L-shaped inner sealing element 54 is reversely arranged and is abutted against the outer side of the elastic clamp spring 8 for the shaft, the sealing lip of the inner ring reverse L-shaped inner sealing element 54, the sealing lip of the outer ring L-shaped inner sealing element 51, the sealing lip of the inner ring L-shaped outer sealing element 53 and the sealing lip of the outer ring L-shaped outer sealing element 52 extend oppositely from inside to outside in sequence and are in staggered clearance fit, the seal lip of outer lane L type external seal 52 extends towards the roller 2 surface, waterproof sealing ring 6 is installed the seal lip of outer lane L type external seal 52 with clearance fit department between the roller 2. Because the inner ring reverse L-shaped inner sealing element 54, the outer ring L-shaped inner sealing element 51, the inner ring L-shaped outer sealing element 53 and the outer ring L-shaped outer sealing element 52 are all metal sealing elements, the friction coefficient between metal and grease is small, the friction resistance is low, and the resistance between the metal and the grease is small during rotation; because the seal lip of the anti-L type inner seal of inner circle 54, the seal lip of outer lane L type inner seal 51, the seal lip of inner circle L type outer seal 53, the seal lip of outer lane L type outer seal 52 have been extended in opposite directions and crisscross clearance fit by interior outside in proper order the outside of bearing 3 has formed transverse arrangement, makes water get into resistance grow, motion stroke in the bearing 3 are elongated, and the effect of blockking to water and impurity is higher than traditional axial labyrinth seal, have better water-proof effects, because its seal clearance is great simultaneously, form the sealed space that is used for filling grease, compare for a short time with seal clearance among the prior art, the utility model discloses can effectively reduce the resistance after the grease is poured into.
The matching part of the outer ring L-shaped outer sealing element 52 and the bearing seat 1 is sealed by sealant, so that the sealing effect of the joint of the outer ring L-shaped outer sealing element and the bearing seat is ensured, and water can be well prevented from entering the bearing seat. The outer ring L-shaped inner sealing element 51 is in transition fit with the bearing seat 1, and the inner ring reverse L-shaped inner sealing element 54, the inner ring L-shaped outer sealing element 53 and the roller shaft 2 are in transition fit.
The anti-L type of inner circle inner seal 54, outer lane L type inner seal 51, inner circle L type external seal 53, outer lane L type external seal 52 all have one and are used for fixed mounting's fixed limit and are used for sealed seal lip, and the L type structure of L type sealing washer is the same among its structure and the prior art, but the utility model discloses in be the metal material, for example iron, effectively reduce and the grease between the coefficient of friction. The installation directions of the outer ring L-shaped inner sealing element 51, the inner ring L-shaped outer sealing element 53 and the outer ring L-shaped outer sealing element 52 are the same as the installation direction of an L-shaped sealing ring in the prior art, the sealing lips are positioned on the outer side of the fixed edge, the installation direction of the inner ring reverse L-shaped inner sealing element 54 is opposite to the installation direction of the L-shaped sealing ring in the prior art, and the sealing lips are positioned on the inner side of the fixed edge.
Specifically, the fixed edge of the outer ring L-shaped inner sealing element 51 is installed in the bearing seat 1, the inner end of the fixed edge abuts against the outer side of the outer ring of the bearing 3, the sealing lip of the fixed edge is installed at the outer end of the fixed edge and extends towards the inner ring sealing group, and the bottom end of the sealing lip of the fixed edge and the inner ring sealing group are arranged in a gap; the fixed edge of the inner ring reverse L-shaped inner sealing element 54 is arranged on the roller shaft 2, the sealing lip of the inner ring reverse L-shaped inner sealing element is arranged at the inner end of the fixed edge and extends towards the fixed edge of the outer ring L-shaped inner sealing element 51, the top end of the sealing lip of the inner ring reverse L-shaped inner sealing element is arranged with a gap between the fixed edge of the outer ring L-shaped inner sealing element 51, and the sealing lip is arranged at the inner side of the fixed edge, so that the arrangement direction of the inner ring reverse L-shaped inner sealing element 54 is opposite to that of the inner ring reverse L-shaped inner sealing element 54, the sealing lip of the inner ring reverse L-shaped inner sealing element abuts against the outer side of the shaft elastic clamp spring 8, a gap is reserved; the fixed edge of the inner ring L-shaped outer sealing piece 53 is arranged on the roller shaft 2, the sealing lip of the inner ring L-shaped outer sealing piece is arranged at the outer end of the fixed edge and extends towards the outer ring L-shaped outer sealing piece 52, and the top end of the sealing lip of the inner ring L-shaped outer sealing piece is arranged in a clearance with the outer ring L-shaped outer sealing piece 52; the fixed limit of outer lane L type external seal 52 is installed in the bearing frame 1 and support and lean on outside outer lane L type internal seal 51, its seal lip install in the outer end on fixed limit and towards the roller 2 extends, and the bottom of its seal lip with clearance sets up between the roller 2, the seal lip seal of AV type water seal is in the junction between its seal lip and the roller 2. Each sealing element forms the sealing effect of transverse arrangement through the arrangement mode, and the effect higher than that of the traditional axial labyrinth sealing is achieved.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The waterproof type bearing roller of reverse all-metal is sealed, sets up the inside and outside both sides of bearing between bearing frame and roller, its characterized in that: including installing the bearing inboard with be used for sealing between the bearing frame the inboard dustproof gasket of bearing, the bearing outside is located the bearing frame with install between the roller and be used for sealing the reverse metal seal group in the bearing outside, reverse metal seal group in be equipped with be used for filling grease and with the sealed space of bearing intercommunication, the outside of reverse metal seal group corresponds sealed to have to be fixed the outer waterproof sealing circle of roller.
2. A reverse all-metal water-resistant idler seal as claimed in claim 1 in which: and the inner side and the outer side of the bearing are correspondingly provided with an elastic retaining ring for the shaft and an elastic snap spring for the shaft, which are fixed outside the roll shaft.
3. A reverse all-metal water-resistant idler seal as claimed in claim 2 in which: the reverse metal seal group comprises an outer ring seal group and an inner ring seal group which are opposite and arranged in a clearance mode, the outer ring seal group is fixed in the bearing seat, the inner ring seal group is installed outside the roller shaft and located on the inner side of the outer ring seal group, and the seal space is arranged between the outer ring seal group and the inner ring seal group.
4. A reverse all-metal water-resistant idler seal as claimed in claim 3 in which: the outer lane is sealed to be organized including leaning on outer lane L type inner seal in the bearing inner race outside supports with support and leans on the outer lane L type outer seal in the outer lane L type inner seal outside, inner circle is sealed to be organized including the anti-L type inner seal of inner circle L type outer seal and inner circle of relative connection, the anti-reverse setting of L type inner seal of inner circle just supports and leans on the outside of shaft elasticity jump ring, the seal lip of the anti-L type inner seal of inner circle, the seal lip of outer lane L type inner seal, the seal lip of inner circle L type outer seal, the seal lip of outer lane L type outer seal extend and crisscross clearance fit in opposite directions by interior to exterior in proper order, the seal lip orientation of outer lane L type outer seal the roller surface extends, waterproof sealing circle is installed the seal lip of outer lane L type outer seal with clearance fit department between the roller.
5. A reverse all-metal water-resistant idler seal as claimed in claim 1 in which: the dustproof gasket is a JV type metal gasket, the JV type metal gasket comprises an outer ring and a J type installation part, the inner side of the bearing is clamped between the inner side of the bearing and the bearing seat, an inward bending edge is arranged on the inner ring of the J type installation part and used for sealing a V type sealing folded edge on the inner side of the bearing, and the J type installation part and the V type sealing folded edge are integrally formed.
6. A reverse all metal waterproof idler roller seal according to any one of claims 1 to 5 in which: the waterproof sealing ring is an AV type water seal, and a sealing lip of the AV type water seal is sealed at the matching position between the reverse metal sealing group and the roll shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020763516.2U CN212197281U (en) | 2020-05-11 | 2020-05-11 | Reverse all-metal waterproof carrier roller seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020763516.2U CN212197281U (en) | 2020-05-11 | 2020-05-11 | Reverse all-metal waterproof carrier roller seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212197281U true CN212197281U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020763516.2U Active CN212197281U (en) | 2020-05-11 | 2020-05-11 | Reverse all-metal waterproof carrier roller seal |
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| Country | Link |
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| CN (1) | CN212197281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130471A (en) * | 2021-11-09 | 2022-03-04 | 遂宁华能机械有限公司 | 4-roller 5-level roller type superfine grain size metal crusher |
-
2020
- 2020-05-11 CN CN202020763516.2U patent/CN212197281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130471A (en) * | 2021-11-09 | 2022-03-04 | 遂宁华能机械有限公司 | 4-roller 5-level roller type superfine grain size metal crusher |
| CN114130471B (en) * | 2021-11-09 | 2023-02-24 | 遂宁华能机械有限公司 | 4-roller 5-stage roller type superfine grain size metal crusher |
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