Sealing element with positioning function
By employing a non-contact sealing structure at the connection between the rotating shaft and the housing, and utilizing a fluid membrane for sealing, the sealing problem during high-speed rotation of the rotating shaft is solved, achieving a stable sealing effect under high-temperature conditions.
Patent Information
- Application Number
- CN202423064021.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing seals use a bushing on the rotating shaft for contact sealing, which results in high temperatures when the rotating shaft drives the agitator to operate at high speed, affecting the normal sealing function of the bushing.
It adopts a non-contact sealing structure, which uses components such as annular cavity, flange, filling ring, compression ring and locking ring installed at the connection between the rotating shaft and the housing to seal with a fluid membrane, avoiding direct contact between the sealing end faces, forming a fluid membrane to withstand pressure and prevent fluid leakage.
It effectively prevents wear caused by friction and high temperature, improves the sealing effect, and ensures the stability and reliability of the seal during high-speed operation.
Smart Images
Figure CN223563467U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a sealing element technical field, concretely relates to a sealing element with positioning function. BACKGROUND
[0002] In the stirring equipment, usually need to use driving device to drive stirring device rotation, and then to the material in the stirring equipment stirring, and driving device sets up outside, and the gap at the connection of stirring tank is easy to cause the influence to the stirring, especially to the liquid stirring, is easy to leak.
[0003] At present, prior art discloses a kind of sealing element, bottom flange and shaft sleeve are arranged at the connection of stirring shell and rotating shaft, and bottom flange and upper shaft sleeve are fixed using bolt, avoid the material in shell to leak when stirring.
[0004] But the above-mentioned way, shaft sleeve is arranged on rotating shaft to carry out contact type sealing, high temperature is generated when rotating shaft drives stirring device to carry out high-speed operation, it is easy to influence shaft sleeve, so that it cannot normally carry out sealing work. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of sealing element with positioning function, to solve the problem that the sealing element of prior art sets up shaft sleeve on rotating shaft to carry out contact type sealing, high temperature is generated when rotating shaft drives stirring device to carry out high-speed operation, it is easy to influence shaft sleeve, so that it cannot normally carry out sealing work.
[0006] To realize the above-mentioned purpose, the utility model provides a kind of sealing element with positioning function, including shell, rotating shaft and sealing assembly, the rotating shaft is rotatably connected with the shell, and located at the bottom of the shell, the sealing assembly includes shaft sleeve, annular cavity, flange, filler ring, compression ring, connecting part, locking ring and auxiliary unit;
[0007] The shaft sleeve is rotatably connected with the rotating shaft, and located at one side of the rotating shaft, the annular cavity is fixedly connected with the shaft sleeve, and located at one side of the shaft sleeve, the flange is fixedly connected with the annular cavity, and located at the side of the annular cavity, the filler ring is fixedly connected with the shaft sleeve, and located at one side of the shaft sleeve close to the annular cavity, the compression ring is fixedly connected with the shaft sleeve, and located at one side of the shaft sleeve close to the filler ring, the connecting part is fixedly connected with the shaft sleeve, and located at the top of the shaft sleeve, the locking ring is threadedly connected with the connecting part, and located at the side of the connecting part, the auxiliary unit is arranged at one side of the annular cavity.
[0008] The sealing assembly further comprises a positioning bolt and a fixing bolt, the positioning bolt is threadedly connected with the annular cavity and passes through the flange and is located on one side of the flange, and the fixing bolt is threadedly connected with the annular cavity and passes through the compression ring and is located on one side of the compression ring.
[0009] The annular cavity comprises a cavity and a closing ring, the cavity is fixedly connected with the shaft sleeve and is located on one side of the shaft sleeve, and the closing ring is fixedly connected with the cavity and is located on one side of the cavity close to the shaft sleeve.
[0010] The auxiliary unit comprises a connecting pipe, a connecting belt and a sealing cover, the connecting pipe is fixedly connected with the cavity and is located on one side of the cavity, the connecting belt is fixedly connected with the cavity and is located on one side of the cavity close to the connecting pipe, and the sealing cover is rotationally connected with the connecting belt, is threadedly connected with the connecting pipe and is located on one side of the connecting pipe.
[0011] The auxiliary unit further comprises a threaded head, the threaded head is fixedly connected with the connecting pipe and is located on one side of the connecting pipe close to the sealing cover.
[0012] The sealing element with the positioning function of the utility model, when using the stirring equipment in the shell, in order to improve the sealing effect, it is necessary to install the sealing element at the connection of the shell and the rotating shaft, at this time, the annular cavity is fixed on the shaft sleeve, and the flange is used to correspond to the annular cavity, the filling ring is used for filling and sealing at the connection of the shaft sleeve and the annular cavity, at the same time, the position of the filling ring is fixed by the compression ring, at this time, the worker can right-rotate the locking ring from the inside of the shell, so that the locking ring is fixed on the connecting part of the shaft sleeve, and then the position of the shaft sleeve is fixed at the connection of the shell and the rotating shaft, the positioning of the whole sealing element is realized, when the external motor drives the rotating shaft to rotate, the external fluid is connected through the auxiliary unit, and when the fluid enters the sealing surface of the annular cavity and the shaft sleeve through the auxiliary unit and forms a complete fluid film, the fluid film can bear pressure and prevent fluid leakage, since there is no direct solid contact between the sealing end faces, wear and heat caused by friction can be avoided, thereby solving the problems that the existing sealing element is arranged on the shaft sleeve for contact type sealing, high temperature is generated when the rotating shaft drives the stirring device to run at high speed, the shaft sleeve is easily affected, and the sealing work cannot be normally performed. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.
[0014] Figure 1 is the overall structure schematic view of the sealing element with positioning function of the utility model.
[0015] Figure 2 is another angle structure schematic view of the overall structure of the sealing element with positioning function of the utility model.
[0016] Figure 3 is the sectional view of the sealing assembly of the sealing element with positioning function of the utility model.
[0017] Figure 4 is the sectional view of the sealing assembly of the sealing element with positioning function of the utility model.
[0018] 101 - shell, 102 - rotating shaft, 103 - sealing assembly, 104 - shaft sleeve, 105 - annular cavity, 106 - flange, 107 - filling ring, 108 - compression ring, 109 - connecting part, 110 - locking ring, 111 - auxiliary unit, 112 - positioning bolt, 113 - fixing bolt, 114 - cavity, 115 - closed ring, 116 - connecting pipe, 117 - connecting belt, 118 - sealing cover, 119 - threaded head. DETAILED DESCRIPTION
[0019] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and can not be understood as the limitation of the utility model.
[0020] Please refer to Figures 1-4 , Figure 1 is the overall structure schematic view of the sealing element with positioning function of the utility model, Figure 2 is another angle structure schematic view of the overall structure of the sealing element with positioning function of the utility model, Figure 3 is the sectional view of the sealing assembly of the sealing element with positioning function of the utility model, Figure 4 is the sectional view of the sealing assembly of the sealing element with positioning function of the utility model.
[0021] The utility model discloses a sealing element with positioning function, including casing 101, rotating shaft 102 and sealing assembly 103, sealing assembly 103 includes shaft sleeve 104, annular cavity 105, flange 106, filling ring 107, compression ring 108, connecting portion 109, locking ring 110, auxiliary unit 111, positioning bolt 112 and fixed bolt 113, the annular cavity 105 includes cavity 114 and closed ring 115, the auxiliary unit 111 includes connecting pipe 116, connecting belt 117, sealing cover 118 and screw head 119, and the foregoing scheme has solved the current sealing element and set up the shaft sleeve 104 on the rotating shaft 102 and carry out contact type sealing, when the rotating shaft 102 drives the stirring device to carry out high speed operation, the high temperature produced, is easy to produce the influence to the shaft sleeve 104, makes it can not normally carry out sealing cover 118 work problem.
[0022] For this specific implementation, the rotating shaft 102 is rotatably connected to the housing 101 and located at the bottom of the housing 101. The rotating shaft 102 is driven to rotate by an external motor, allowing the rotating shaft 102 to drive the stirring device to rotate within the housing 101, thereby stirring the material.
[0023] The shaft sleeve 104 is rotationally connected with the rotating shaft 102 and located on one side of the rotating shaft 102, the annular cavity 105 is fixedly connected with the shaft sleeve 104 and located on one side of the shaft sleeve 104, the flange 106 is fixedly connected with the annular cavity 105 and located on the side of the annular cavity 105, the filling ring 107 is fixedly connected with the shaft sleeve 104 and located on the side of the shaft sleeve 104 close to the annular cavity 105, the compression ring 108 is fixedly connected with the shaft sleeve 104 and located on the side of the shaft sleeve 104 close to the filling ring 107, the connecting part 109 is fixedly connected with the shaft sleeve 104 and located on the top of the shaft sleeve 104, the locking ring 110 is threadedly connected with the connecting part 109 and located on the side of the connecting part 109, and the auxiliary unit 111 is arranged on one side of the annular cavity 105. When the stirring device in the shell 101 is used, in order to improve the sealing effect, a sealing element needs to be installed at the connection between the shell 101 and the rotating shaft 102. At this time, the annular cavity 105 is fixed on the shaft sleeve 104, the flange 106 is used to correspond to the annular cavity 105, the filling ring 107 is used for filling and sealing at the connection between the shaft sleeve 104 and the annular cavity 105, and the position of the filling ring 107 is fixed by using the compression ring 108. At this time, the worker can right-rotate the locking ring 110 from the inside of the shell 101, so that the locking ring 110 is fixed on the connecting part 109 of the shaft sleeve 104, and then the position of the shaft sleeve 104 is fixed at the connection between the shell 101 and the rotating shaft 102, so that the positioning of the sealing element as a whole is realized. When the external motor is started to drive the rotating shaft 102 to rotate, the external fluid is connected through the auxiliary unit 111, and when the fluid forms a complete fluid film in the sealing surface of the annular cavity 105 and the shaft sleeve 104 through the auxiliary unit 111, the fluid film can withstand pressure and prevent fluid leakage. Since there is no direct solid contact between the sealing end faces, wear and heat caused by friction can be avoided, thereby solving the problem that the existing sealing element sets the shaft sleeve 104 in contact sealing on the rotating shaft 102, and high temperature is generated when the rotating shaft 102 drives the stirring device to run at high speed, which easily affects the shaft sleeve 104 and makes it unable to normally work. The sealing cover 118. The external fluid can be lubricating oil.
[0024] Secondly, the positioning bolt 112 is screwed with the annular cavity 105, and passes through the flange 106 and is located on one side of the flange 106, the fixing bolt 113 is screwed with the annular cavity 105, and passes through the compression ring 108 and is located on one side of the compression ring 108, the position of the flange 106 and the annular cavity 105 can be fixed by right-rotating the positioning bolt 112, and the position of the compression ring 108 can be fixed at the bottom of the annular cavity 105 by right-rotating the fixing bolt 113, thereby improving the stability of the sealing element in use.
[0025] Thirdly, the cavity 114 is fixedly connected with the shaft sleeve 104 and located on one side of the shaft sleeve 104, the closed ring 115 is fixedly connected with the cavity 114 and located on one side of the cavity 114 close to the shaft sleeve 104, the cavity 114 is installed outside the shaft sleeve 104, and the closed ring 115 is installed on the top of the cavity 114, and a gap is arranged between the closed ring 115, the cavity 114 and the shaft sleeve 104, so that the external fluid connected with the auxiliary unit 111 can enter the gap, thereby forming a non-contact seal.
[0026] In addition, the connecting pipe 116 is fixedly connected with the cavity 114 and located on one side of the cavity 114, the connecting belt 117 is fixedly connected with the cavity 114 and located on one side of the cavity 114 close to the connecting pipe 116, the sealing cover 118 is rotatably connected with the connecting belt 117, and is screwed with the connecting pipe 116 and located on one side of the connecting pipe 116, after the installation of the sealing element is completed, the sealing cover 118 is right-rotated and removed from the connecting pipe 116, and the external fluid is connected, so that the external fluid can enter the gap on the cavity 114 and the closed ring 115 from the connecting pipe 116, and the position of the sealing cover 118 is fixed by the connecting belt 117, so as to avoid the sealing cover 118 from being lost after being removed from the connecting pipe 116.
[0027] Meanwhile, the threaded head 119 is fixedly connected with the connecting pipe 116 and located on one side of the connecting pipe 116 close to the sealing cover 118, when the external fluid is connected, the external fluid transmission pipe can be right-rotated on the outer wall of the threaded head 119, so that the external fluid transmission pipe can be fixed on the threaded head 119, thereby making the fluid transmission more stable.
[0028] The utility model discloses a sealing element with positioning function, when using the stirring equipment in the casing 101, in order to improve the sealing effect, need to install sealing element at the connecting place of casing 101 and rotating shaft 102, at this time, fix cavity 114 and closed ring 115 on the shaft sleeve 104, use the flange 106 with the cavity 114 corresponds, use the filling ring 107 to fill seal at the connecting place of the shaft sleeve 104 and annular chamber 105, simultaneously, use the position of fixed filling ring 107 of the compression ring 108, through right screw the positioning bolt 112 can the position of fixed flange 106 and annular chamber 105, right screw the fixed bolt 113 can the position of fixed compression ring 108 at the bottom of annular chamber 105, at this time, the staff can from the inside of casing 101 right screw locking ring 110, make locking ring 110 fixed on the connecting portion 109 of shaft sleeve 104, and then fix the position of shaft sleeve 104 at the connecting place of casing 101 and rotating shaft 102, realize the positioning of sealing element whole, when starting external motor drives rotating shaft 102 rotation, right screw sealing cover 118, take down sealing cover 118 from connecting pipe 116, and connect external fluid, make external fluid can enter the gap on cavity 114 and closed ring 115 from connecting pipe 116, form a layer of complete fluid film in the sealing surface of cavity 114 and shaft sleeve 104, the fluid film can bear pressure, prevent fluid leakage, because the direct solid contact does not exist between sealing end face, can avoid the abrasion and heat produced because of friction, thereby solve the problem that the sealing element of existing sealing element sets up shaft sleeve 104 on rotating shaft 102 and carries out contact type sealing, when rotating shaft 102 drives stirring device and carries out high speed operation, produce high temperature, easily produce influence to shaft sleeve 104, make it can not normally carry out sealing cover 118 work.
[0029] The above disclosed is only one or more preferred embodiments of the application, which cannot limit the scope of the application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope of the application.
Claims
1. A sealing piece with positioning function, comprising a shell and a rotating shaft, the rotating shaft is rotationally connected with the shell and located at the bottom of the shell, characterized in that, It further comprises a sealing assembly; The sealing assembly comprises a shaft sleeve, an annular cavity, a flange, a filling ring, a compression ring, a connecting part, a locking ring and an auxiliary unit; The shaft sleeve is rotationally connected with the rotating shaft and located at one side of the rotating shaft, the annular cavity is fixedly connected with the shaft sleeve and located at one side of the shaft sleeve, the flange is fixedly connected with the annular cavity and located at the side of the annular cavity, the filling ring is fixedly connected with the shaft sleeve and located at one side of the shaft sleeve close to the annular cavity, the compression ring is fixedly connected with the shaft sleeve and located at one side of the shaft sleeve close to the filling ring, the connecting part is fixedly connected with the shaft sleeve and located at the top of the shaft sleeve, the locking ring is threadedly connected with the connecting part and located at the side of the connecting part, and the auxiliary unit is arranged at one side of the annular cavity.
2. The sealing piece with positioning function according to claim 1, characterized in that, The sealing assembly further comprises a positioning bolt and a fixing bolt, the positioning bolt is threadedly connected with the annular cavity and passes through the flange and is located at one side of the flange, and the fixing bolt is threadedly connected with the annular cavity and passes through the compression ring and is located at one side of the compression ring.
3. The sealing piece with positioning function according to claim 2, characterized in that, The annular cavity comprises a cavity body and a closing ring, the cavity body is fixedly connected with the shaft sleeve and located at one side of the shaft sleeve, and the closing ring is fixedly connected with the cavity body and located at one side of the cavity body close to the shaft sleeve.
4. The sealing piece with positioning function according to claim 3, characterized in that, The auxiliary unit comprises a connecting pipe, a connecting belt and a sealing cover, the connecting pipe is fixedly connected with the cavity body and located at one side of the cavity body, the connecting belt is fixedly connected with the cavity body and located at one side of the cavity body close to the connecting pipe, and the sealing cover is rotationally connected with the connecting belt and threadedly connected with the connecting pipe and located at one side of the connecting pipe.
5. The sealing piece with positioning function according to claim 4, characterized in that, The auxiliary unit further comprises a threaded head, the threaded head is fixedly connected with the connecting pipe and located at one side of the connecting pipe close to the sealing cover.