CN209977256U - Mechanical seal with anti-corrosion function - Google Patents
Mechanical seal with anti-corrosion function Download PDFInfo
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- CN209977256U CN209977256U CN201920856034.9U CN201920856034U CN209977256U CN 209977256 U CN209977256 U CN 209977256U CN 201920856034 U CN201920856034 U CN 201920856034U CN 209977256 U CN209977256 U CN 209977256U
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- flange
- ring
- quiet ring
- mechanical seal
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Abstract
The utility model relates to a mechanical seal with anti-corrosion function, including a pivot, fixed cover is equipped with an axle sleeve, its characterized in that in the pivot: the both ends of axle sleeve rotate respectively and are equipped with a seal box and a flange, the below fixed mounting of seal box has one to go up quiet ring subassembly, the top fixed mounting of flange has one down quiet ring subassembly, it has a locating piece to the direction extension of axle sleeve on the flange, fixed cover is equipped with a fluororubber on the locating piece, the bottom fixed connection of shaft sleeve's direction extension and flange is kept away from to the bottom of fluororubber, fluororubber rotates with the axle sleeve to be connected. The beneficial effects of the utility model reside in that: the utility model discloses a bottom at the flange sets up fluororubber, has played an anticorrosion effect, through set up a mounting groove on the flange to will quiet ring setting down in mounting groove, occupation space is little, and the upper end of quiet ring stretches out from the breach down, convenient and the contact of rotating ring down.
Description
Technical Field
The utility model belongs to the technical field of mechanical seal, in particular to mechanical seal with anti-corrosion function.
Background
The mechanical seal is an oil seal device of a rotating machine. Such as centrifugal pumps, centrifuges, reaction kettles, compressors, and the like. Since the drive shaft penetrates inside and outside the apparatus, there is a circumferential gap between the shaft and the apparatus through which the medium in the apparatus leaks out, and if the pressure in the apparatus is lower than atmospheric pressure, air leaks into the apparatus, so that a shaft seal device for preventing leakage is necessary. The mechanical seal is a main shaft seal of the above-mentioned devices because the mechanical seal has advantages of a small leakage amount, a long life, and the like. When acid or alkali to reation kettle stirs, long-time the use, the liquid of acid or alkali can slowly corrode the junction of mechanical seal and equipment, especially the flange, can corrode the flange, leads to the installation inseparable, and lower quiet ring subassembly is installed in the flange top moreover, and occupation space is big.
Disclosure of Invention
In view of this, the utility model aims at prior art not enough, provide a mechanical seal with anticorrosion function, this mechanical seal structure is simple, can play a guard action to the flange, compact structure moreover, occupation space is little.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a mechanical seal with anti-corrosion function, includes a pivot, fixed cover is equipped with a axle sleeve in the pivot, its characterized in that: the both ends of axle sleeve rotate respectively and are equipped with a seal box and a flange, the below fixed mounting of seal box has one to go up quiet ring subassembly, the top fixed mounting of flange has one down quiet ring subassembly, it has a locating piece to the direction extension of axle sleeve on the flange, fixed cover is equipped with a fluororubber on the locating piece, the bottom fixed connection of shaft sleeve's direction extension and flange is kept away from to the bottom of fluororubber, fluororubber rotates with the axle sleeve to be connected.
The utility model discloses further setting up to: the fixed limiting plate that is equipped with in top of flange, form a mounting groove between limiting plate, flange and the locating piece, quiet ring subassembly includes a lower quiet ring down, quiet ring fixed mounting is in the mounting groove down, be equipped with the sealing washer between flange and the quiet ring down, a breach has been seted up on the limiting plate, the upper end of quiet ring stretches out from the breach down.
The utility model discloses further setting up to: go up quiet ring subassembly including fixed the last quiet ring that sets up in sealed box below, go up quiet ring and pass through screw and sealed box fixed connection.
The utility model discloses further setting up to: be equipped with a cooling module between sealed box and the flange, cooling module is including the fixed cooling box that sets up between sealed box and flange and the fixed cooling inlet tube and the cooling outlet pipe that sets up in the cooling box both sides, form an installation cavity between cooling box and sealed box, flange and the axle sleeve, be equipped with a rotating ring subassembly in the installation cavity.
The utility model discloses further setting up to: the lubricating device is characterized in that a lubricating component is arranged above the sealing box body and comprises a lubricating channel and an opening, the lubricating channel and the opening are arranged in the sealing box body, one end of the lubricating channel is communicated with the opening, a plug which is spirally arranged in the opening is arranged on the sealing box body, and the other end of the lubricating channel is communicated with the installation cavity.
The utility model discloses further setting up to: the flange is provided with a positioning hole.
The utility model discloses further setting up to: the movable ring assembly comprises a spring seat, an upper movable ring and a lower movable ring, a mounting groove is formed in the lower end of the spring seat, a spring is arranged in the mounting groove, one end of the spring is fixedly connected with the lower movable ring, the other end of the spring is fixedly connected with the spring seat, the upper end face of the spring seat is fixedly connected with the upper movable ring, and the spring seat, the upper movable ring and the lower movable ring are all arranged in interference fit with the shaft sleeve.
The beneficial effects of the utility model reside in that: the utility model discloses a bottom at the flange sets up fluororubber, has played an anticorrosion effect, through set up a mounting groove on the flange to will quiet ring setting down in mounting groove, occupation space is little, and the upper end of quiet ring stretches out from the breach down, convenient and the contact of rotating ring down.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
According to fig. 1, the present embodiment discloses a mechanical seal with corrosion protection, comprising a rotating shaft 1, the rotating shaft 1 is fixedly sleeved with a shaft sleeve 2, two ends of the shaft sleeve 2 are respectively and rotatably provided with a sealing box body 3 and a flange 4, an upper static ring component 5 is fixedly arranged below the sealing box body 3, a lower static ring component is fixedly arranged above the flange 4, a positioning block 6 extends from the flange 4 to the direction of the shaft sleeve 2, the positioning block and the flange are integrally formed, the overall firmness is enhanced, the positioning block 6 is fixedly sleeved with a fluororubber 7, the bottom of the fluororubber 7 extends to the direction far away from the shaft sleeve 2 and is fixedly connected with the bottom end of the flange 4, the fluororubber 7 is rotationally connected with the shaft sleeve 2, and the fluororubber is arranged at the bottom end of the flange, so that an anti-corrosion effect is achieved.
The utility model discloses further setting up to: the fixed limiting plate 8 that is equipped with in top of flange 4, form a mounting groove 9 between limiting plate 8, flange 4 and the locating piece 6, quiet ring subassembly includes a lower quiet ring 10 down, quiet ring 10 fixed mounting is in mounting groove 9 down, be equipped with the sealing washer between flange 4 and the quiet ring 10 down, a breach 11 has been seted up on the limiting plate 8, stretch out from breach 11 down the upper end of quiet ring 10, through setting up a mounting groove on the flange to will quiet ring setting down in mounting groove, occupation space is little, and stretch out from the breach in the upper end of quiet ring down, convenient and the contact of rotating ring down.
The utility model discloses further setting up to: go up quiet ring subassembly 5 including fixed last quiet ring 12 that sets up in sealed box 3 below, go up quiet ring 12 and pass through screw and sealed box 3 fixed connection, through the screw, conveniently connect.
The utility model discloses further setting up to: be equipped with a cooling module between seal box 3 and the flange 4, cooling module is including the fixed cooling box 13 that sets up between seal box 3 and flange 4 and the fixed cooling inlet tube 14 and the cooling outlet pipe 15 that sets up in cooling box 13 both sides, form an installation cavity 16 between cooling box 13 and seal box 3, flange 4 and the axle sleeve 2, be equipped with a rotating ring subassembly 17 in the installation cavity 16, through setting up cooling module, can play a cooling action.
The utility model discloses further setting up to: the top of the sealing box body 3 is provided with a lubricating assembly, the lubricating assembly comprises a lubricating channel 18 and an opening 19 which are arranged in the sealing box body 3, one end of the lubricating channel 18 is communicated with the opening 19, the sealing box body 3 is provided with a plug 20 which is spirally arranged in the opening 19, the other end of the lubricating channel 18 is communicated with the installation cavity 16, and the lubricating channel is arranged, so that a lubricating effect and a protecting effect can be achieved when the movable ring and the static ring are in friction motion, and a cooling effect can be achieved at the same time.
The utility model discloses further setting up to: the flange 4 is provided with a positioning hole 21 which is screwed in the positioning hole through a screw rod, so that the flange is conveniently connected with equipment.
The utility model discloses further setting up to: the rotating ring assembly 17 comprises a spring seat 22, an upper rotating ring 23 and a lower rotating ring 24, a mounting groove 25 is formed in the lower end of the spring seat 22, a spring 26 is arranged in the mounting groove 25, one end of the spring 26 is fixedly connected with the lower rotating ring 24, the other end of the spring is fixedly connected with the spring seat 22, the upper end face of the spring seat 22 is fixedly connected with the upper rotating ring 23, the spring seat 22, the upper rotating ring 23 and the lower rotating ring 24 are all arranged in interference fit with the shaft sleeve 2, and are arranged in an interference fit manner, so that the upper rotating ring and the lower rotating ring can be conveniently driven to rotate when the rotating shaft rotates, and the upper rotating ring and the upper stationary ring and the lower rotating ring are rotatably connected with each other.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and any decoration, modification or equivalent replacement made by those skilled in the art according to the above description is within the protection scope of the present invention.
Claims (7)
1. The utility model provides a mechanical seal with anti-corrosion function, includes a pivot, fixed cover is equipped with a axle sleeve in the pivot, its characterized in that: the both ends of axle sleeve rotate respectively and are equipped with a seal box and a flange, the below fixed mounting of seal box has one to go up quiet ring subassembly, the top fixed mounting of flange has one down quiet ring subassembly, it has a locating piece to the direction extension of axle sleeve on the flange, fixed cover is equipped with a fluororubber on the locating piece, the bottom fixed connection of shaft sleeve's direction extension and flange is kept away from to the bottom of fluororubber, fluororubber rotates with the axle sleeve to be connected.
2. A mechanical seal with corrosion protection according to claim 1, wherein: the fixed limiting plate that is equipped with in top of flange, form a mounting groove between limiting plate, flange and the locating piece, quiet ring subassembly includes a lower quiet ring down, quiet ring fixed mounting is in the mounting groove down, be equipped with the sealing washer between flange and the quiet ring down, a breach has been seted up on the limiting plate, the upper end of quiet ring stretches out from the breach down.
3. A mechanical seal with corrosion protection according to claim 1, wherein: go up quiet ring subassembly including fixed the last quiet ring that sets up in sealed box below, go up quiet ring and pass through screw and sealed box fixed connection.
4. A mechanical seal with corrosion protection according to claim 3, wherein: be equipped with a cooling module between sealed box and the flange, cooling module is including the fixed cooling box that sets up between sealed box and flange and the fixed cooling inlet tube and the cooling outlet pipe that sets up in the cooling box both sides, form an installation cavity between cooling box and sealed box, flange and the axle sleeve, be equipped with a rotating ring subassembly in the installation cavity.
5. A mechanical seal with corrosion protection according to claim 4, wherein: the lubricating device is characterized in that a lubricating component is arranged above the sealing box body and comprises a lubricating channel and an opening, the lubricating channel and the opening are arranged in the sealing box body, one end of the lubricating channel is communicated with the opening, a plug which is spirally arranged in the opening is arranged on the sealing box body, and the other end of the lubricating channel is communicated with the installation cavity.
6. A mechanical seal with corrosion protection according to claim 1, wherein: the flange is provided with a positioning hole.
7. A mechanical seal with corrosion protection according to claim 4, wherein: the movable ring assembly comprises a spring seat, an upper movable ring and a lower movable ring, a mounting groove is formed in the lower end of the spring seat, a spring is arranged in the mounting groove, one end of the spring is fixedly connected with the lower movable ring, the other end of the spring is fixedly connected with the spring seat, the upper end face of the spring seat is fixedly connected with the upper movable ring, and the spring seat, the upper movable ring and the lower movable ring are all arranged in interference fit with the shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920856034.9U CN209977256U (en) | 2019-06-06 | 2019-06-06 | Mechanical seal with anti-corrosion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920856034.9U CN209977256U (en) | 2019-06-06 | 2019-06-06 | Mechanical seal with anti-corrosion function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977256U true CN209977256U (en) | 2020-01-21 |
Family
ID=69265597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920856034.9U Active CN209977256U (en) | 2019-06-06 | 2019-06-06 | Mechanical seal with anti-corrosion function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209977256U (en) |
-
2019
- 2019-06-06 CN CN201920856034.9U patent/CN209977256U/en active Active
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