CN211083214U - Bearing support type hot oil pipeline swivel - Google Patents
Bearing support type hot oil pipeline swivel Download PDFInfo
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- CN211083214U CN211083214U CN201921916290.9U CN201921916290U CN211083214U CN 211083214 U CN211083214 U CN 211083214U CN 201921916290 U CN201921916290 U CN 201921916290U CN 211083214 U CN211083214 U CN 211083214U
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- swivel
- sleeve
- bearing
- rotary joint
- hot oil
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Abstract
The utility model discloses a bearing support type swivel of a hot oil pipeline, which comprises a swivel outer sleeve, a bearing, a swivel inner sleeve and an O-shaped sealing ring; the lower end of the inner rotary joint sleeve is sleeved in the outer rotary joint sleeve, the outer rotary joint sleeve and the inner rotary joint sleeve are rotatably supported through a bearing, and the bearing is arranged between the outer rotary joint sleeve and the inner rotary joint sleeve; at least one sink groove for installing an O-shaped sealing ring is arranged in the connecting part of the outer sleeve of the swivel; at least one O-shaped sealing ring is arranged between the outer swivel sleeve and the inner swivel sleeve, so that the outer swivel sleeve and the inner swivel sleeve are sealed. A high-temperature-resistant bearing is adopted between the inner rotary joint sleeve and the outer rotary joint sleeve for rotary support, so that the problems of clamping stagnation and easy abrasion of circular tracks of the steel balls on the outer rotary joint sleeve and the inner rotary joint sleeve when the inner rotary joint sleeve and the outer rotary joint sleeve rotate by adopting the steel balls are solved. The structure has the advantages of simple processing, flexible rotation, high temperature and high pressure resistance, reliability and practicability.
Description
Technical Field
The utility model belongs to the technical field of high temperature liquid circulation equipment, a bearing support formula hot oil pipe says commentaries on classics section is related to.
Background
When a user uses the asphalt spraying equipment, the asphalt spraying beam needs high-temperature heat conduction oil to heat, and when the spraying beam is unfolded or folded, the heat conduction oil pipeline needs a swivel to steer the oil pipeline. The steel ball rotary support is adopted between the inner sleeve and the outer sleeve of the rotary joint applied to the original equipment, and the problems of easy abrasion and clamping stagnation exist between the circular tracks of the steel ball on the outer sleeve and the inner sleeve of the rotary joint, so that the function realization of the whole part is influenced because the heat conduction oil rotary joint is not tightly sealed or can not flexibly rotate due to too large rotary friction force, and the leakage of high-temperature heat conduction oil can cause great damage to the human body.
SUMMERY OF THE UTILITY MODEL
The purpose is as follows: in order to overcome the defects existing in the prior art, the utility model provides a bearing support type hot oil pipeline swivel.
The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme does:
a bearing support type swivel joint of a hot oil pipeline comprises a swivel outer sleeve, a bearing, a swivel inner sleeve and an O-shaped sealing ring;
the lower end of the rotary joint inner sleeve is sleeved in the rotary joint outer sleeve, rotary support is carried out between the rotary joint outer sleeve and the rotary joint inner sleeve through a bearing, and the bearing is arranged between the rotary joint outer sleeve and the rotary joint inner sleeve;
at least one sink groove for installing an O-shaped sealing ring is formed in the connecting part of the outer sleeve of the swivel; at least one O-shaped sealing ring is arranged between the outer swivel sleeve and the inner swivel sleeve, so that the outer swivel sleeve and the inner swivel sleeve are sealed.
In some embodiments, the swivel housing connection is provided with a mounting groove to accommodate a bearing; the mounting groove is located heavy groove top, and the mounting groove is provided with the notch cuttype structure for carry on spacingly to the lower extreme outer lane of bearing.
In some embodiments, the bearing-supported hot oil pipeline swivel further comprises a compression end cover, and the lower end of the compression end cover abuts against the upper end outer ring of the bearing and is used for limiting the upper end outer ring of the bearing.
In some embodiments, the bearing supports the swivel of the hot oil pipeline, the compression end cover is provided with a screw hole, and the compression end cover is fixed on the upper end face of the swivel outer sleeve through a screw passing through the screw hole and a mounting hole in the swivel outer sleeve.
In some embodiments, the connecting portion of the inner sleeve of the swivel is provided with a retaining ring mounting groove for mounting a resilient retaining ring, the resilient retaining ring is mounted on the retaining ring mounting groove of the inner sleeve of the swivel, and the resilient retaining ring is located below the bearing and used for limiting the lower inner ring of the bearing.
The connecting portion of the rotary joint inner sleeve is provided with a stepped limiting structure used for limiting the upper end inner ring of the bearing, and the stepped limiting structure is located above the check ring mounting groove.
And the connecting part of the inner sleeve of the rotary joint is also provided with a bulge for limiting the inner ring on the upper end surface of the pressing end cover.
In some embodiments, the other end of the swivel inner sleeve is provided with an external thread for connecting with a conduction oil hose.
In some embodiments, the lower end of the swivel outer sleeve is provided with inner pipe threads for connecting with the heat conduction oil pipe, so that the rotation and the direction change of the heat conduction oil pipe are realized.
Further, in some embodiments, the connecting portion of the outer swivel sleeve is provided with a plurality of sinking grooves, the sinking grooves are parallel to each other, and the O-shaped sealing rings are extruded between the connecting portion of the outer swivel sleeve and the connecting portion of the inner swivel sleeve.
Has the advantages that: the bearing support type swivel joint of the hot oil pipeline provided by the utility model adopts the high temperature resistant bearing between the outer sleeve and the inner sleeve of the swivel joint for rotary support, thereby improving the flexibility of the rotation of the swivel joint; the problems that the inner sleeve and the outer sleeve of the original swivel adopt steel balls to rotate, the round tracks of the steel balls on the outer sleeve and the inner sleeve of the swivel are prone to abrasion are solved. The method of adopting two O-shaped sealing rings improves the sealing performance of the rotary joint and eliminates the phenomena of difficult rotation and leakage of the rotary joint. When the rotary joint is applied, the rotary joint is connected into a hot oil pipeline, and flexible rotation and direction change of the pipeline can be realized. The structure has the advantages of simple processing, flexible rotation, high temperature and high pressure resistance, reliability and practicability.
Drawings
FIG. 1 is a schematic structural diagram of a bearing-supported hot oil pipeline swivel of an embodiment;
FIG. 2 is a top view of an embodiment bearing supported hot oil pipe swivel;
in the figure: 1. a section turning outer sleeve: the sink tank is 1-1, and the ladder-shaped structure is 1-2; 2. o shape sealing washer I, 3, O shape sealing washer II 4, circlip, 5, high temperature resistant bearing, 6, compress tightly the end cover, 7, swivel endotheca: a retainer ring mounting groove 7-1, a step limiting structure 7-2, bulges 7-3, 8, screws, 9 and a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Example 1
As shown in fig. 1 and 2, the bearing support type hot oil pipeline swivel comprises a swivel outer sleeve 1, an O-shaped sealing ring, an elastic retainer ring 4, a high temperature resistant bearing 5, a compression end cover 6 and a swivel inner sleeve 7.
The lower end of the rotary joint inner sleeve 7 is sleeved in the rotary joint outer sleeve 1, the rotary joint outer sleeve 1 and the rotary joint inner sleeve 7 are rotatably supported through a high-temperature-resistant bearing 5, and the high-temperature-resistant bearing 5 is arranged between the rotary joint outer sleeve 1 and the rotary joint inner sleeve 7;
at least one sink groove 1-1 for installing an O-shaped sealing ring is arranged in the connecting part of the swivel outer sleeve 1; at least one O-shaped sealing ring is arranged between the outer swivel sleeve 1 and the inner swivel sleeve 7, so that the outer swivel sleeve 1 and the inner swivel sleeve 7 are sealed.
The connecting part of the swivel outer sleeve 1 is provided with an installation groove for accommodating a high-temperature-resistant bearing 5; the mounting groove is located above the sinking groove and is provided with a step-type structure 1-2 for limiting the lower end outer ring of the high-temperature-resistant bearing 5.
The hot oil pipeline swivel further comprises a compression end cover 6, wherein the lower end of the compression end cover 6 is abutted to the upper end outer ring of the high-temperature-resistant bearing 5 and used for limiting the upper end outer ring of the high-temperature-resistant bearing 5.
Furthermore, a screw hole 6-1 is formed in the compression end cover 6, and the compression end cover 6 is fastened on the upper end face of the swivel outer sleeve 1 through a bolt 8 penetrating through a gasket 9, the screw hole and a mounting hole in the swivel outer sleeve 1.
The connecting part of the rotary joint inner sleeve 7 is provided with a check ring mounting groove 7-1 for mounting an elastic check ring 4, the elastic check ring 4 is mounted on the check ring mounting groove of the rotary joint inner sleeve 7, and the elastic check ring 4 is positioned below the high-temperature-resistant bearing 5 and used for limiting the lower end inner ring of the high-temperature-resistant bearing 5.
The connecting part of the rotating joint inner sleeve 7 is provided with a stepped limiting structure 7-2 for limiting the upper end inner ring of the high-temperature-resistant bearing 5, and the stepped limiting structure 7-2 is positioned above the retainer ring mounting groove 7-1.
In some embodiments, the connecting part of the inner sleeve 7 of the swivel is further provided with a protrusion 7-3 for limiting the inner ring of the upper end face of the compression end cover 6.
The bearing support type hot oil pipeline swivel is characterized in that the other end of the swivel inner sleeve 7 is provided with an external thread for being connected with a heat conduction oil hose.
The lower end of the swivel outer sleeve 1 is provided with inner pipe threads for being connected with a heat conduction oil pipe, so that the rotation and the turning of the heat conduction oil pipe are realized.
The connecting portion of swivel overcoat 1 is provided with a plurality of heavy grooves, and is parallel to each other between a plurality of heavy grooves, and the equal extrusion of O shape sealing washer is between the connecting portion of swivel overcoat 1 and the connecting portion of swivel endotheca 7.
In this embodiment, the connecting portion of swivel overcoat 1 radially is provided with two heavy grooves, installs O shape sealing washer I2 and O shape sealing washer II 3 respectively. The sealing between the outer swivel sleeve 1 and the inner swivel sleeve 7 is realized, and the leakage of high-temperature heat conduction oil is prevented.
A high-temperature-resistant bearing 5 is adopted between the inner rotary joint sleeve 7 and the outer rotary joint sleeve 1 for slewing bearing, so that the problems of clamping stagnation and easy abrasion of circular tracks of the steel balls on the outer rotary joint sleeve and the inner rotary joint sleeve when the inner rotary joint sleeve and the outer rotary joint sleeve adopt steel balls for slewing are solved.
The utility model discloses an installation application method as follows: high-temperature-resistant lubricating grease is smeared in the connecting part of the swivel outer sleeve 1, and an O-shaped sealing ring I2 and an O-shaped sealing ring II 3 are arranged on the swivel outer sleeve 1; a pressing end cover 6 and a high-temperature resistant bearing 5 are sequentially arranged at the connecting part of the inner sleeve 7 of the rotary joint, the lower end of the bearing 5 is fixed by an elastic retainer ring 4, and then the part is integrally arranged in the connecting part of the outer sleeve 1 of the rotary joint. The compression end cap 6 is fastened to the swivel housing 1 by means of screws 8 and washers 9. When in use, the other end of the rotating joint inner sleeve 7 is provided with external threads for connecting with a heat-conducting oil hose; the lower end of the swivel outer sleeve 1 is provided with inner pipe threads which are connected with another heat conduction oil pipe, so that the rotation and the direction change of the heat conduction oil pipe are realized.
The utility model has the advantages of simple structure, the rotation is nimble, high temperature resistant, and the leakproofness is good, reliable practical.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting with respect to the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. A bearing support type swivel joint of a hot oil pipeline is characterized by comprising a swivel outer sleeve, a bearing, a swivel inner sleeve and an O-shaped sealing ring;
the lower end of the rotary joint inner sleeve is sleeved in the rotary joint outer sleeve, rotary support is carried out between the rotary joint outer sleeve and the rotary joint inner sleeve through a bearing, and the bearing is arranged between the rotary joint outer sleeve and the rotary joint inner sleeve;
at least one sink groove for installing an O-shaped sealing ring is formed in the connecting part of the outer sleeve of the swivel; at least one O-shaped sealing ring is arranged between the outer swivel sleeve and the inner swivel sleeve, so that the outer swivel sleeve and the inner swivel sleeve are sealed.
2. The bearing-supported hot oil pipeline swivel of claim 1, wherein the swivel outer sleeve connection part is provided with a mounting groove for accommodating a bearing; the mounting groove is located heavy groove top, and the mounting groove is provided with the notch cuttype structure for carry on spacingly to the lower extreme outer lane of bearing.
3. The bearing-supported hot oil pipeline swivel of claim 1, further comprising a compression end cover, wherein the lower end of the compression end cover abuts against the upper end outer ring of the bearing to limit the upper end outer ring of the bearing.
4. The bearing-supported swivel of a hot oil pipe as claimed in claim 3, wherein the compression end cap is provided with a screw hole, and the compression end cap is fixed to the upper end surface of the swivel casing by passing a screw through the screw hole and the mounting hole of the swivel casing.
5. The bearing-supported hot oil pipeline swivel according to claim 1, wherein the connecting portion of the swivel inner sleeve is provided with a check ring mounting groove for mounting a circlip, the circlip is mounted on the check ring mounting groove of the swivel inner sleeve, and the circlip is located below the bearing and used for limiting the lower end inner ring of the bearing.
6. The bearing-supported hot oil pipeline swivel according to claim 5, wherein the connecting part of the swivel inner sleeve is provided with a stepped limiting structure for limiting the upper end inner ring of the bearing, and the stepped limiting structure is positioned above the retainer ring mounting groove.
7. The bearing-supported swivel of a hot oil pipeline according to claim 3, wherein the inner sleeve connecting part of the swivel is further provided with a protrusion for limiting the inner ring of the upper end face of the compression end cover.
8. The bearing-supported swivel for a hot oil pipeline according to claim 1, wherein the other end of the inner sleeve of the swivel is provided with an external thread for connecting with a heat conducting oil hose.
9. The bearing-supported swivel of a hot oil pipeline as claimed in claim 1, wherein the lower end of the swivel housing is provided with inner pipe threads for connecting with a heat conducting oil pipe to realize the rotation and direction change of the heat conducting oil pipeline.
10. The bearing-supported hot oil pipeline swivel according to claim 1, wherein the connecting portion of the swivel outer sleeve is provided with a plurality of sunken grooves which are parallel to each other, and the O-shaped sealing rings are extruded between the connecting portion of the swivel outer sleeve and the connecting portion of the swivel inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921916290.9U CN211083214U (en) | 2019-11-08 | 2019-11-08 | Bearing support type hot oil pipeline swivel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921916290.9U CN211083214U (en) | 2019-11-08 | 2019-11-08 | Bearing support type hot oil pipeline swivel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211083214U true CN211083214U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921916290.9U Active CN211083214U (en) | 2019-11-08 | 2019-11-08 | Bearing support type hot oil pipeline swivel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211083214U (en) |
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2019
- 2019-11-08 CN CN201921916290.9U patent/CN211083214U/en active Active
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