CN213479175U - Sealing element of boiler feed pump - Google Patents
Sealing element of boiler feed pump Download PDFInfo
- Publication number
- CN213479175U CN213479175U CN202022369837.7U CN202022369837U CN213479175U CN 213479175 U CN213479175 U CN 213479175U CN 202022369837 U CN202022369837 U CN 202022369837U CN 213479175 U CN213479175 U CN 213479175U
- Authority
- CN
- China
- Prior art keywords
- pressing
- pressing piece
- transmission shaft
- ring seat
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model provides a sealing element of a boiler feed pump, which relates to the technical field of sealing elements and comprises a transmission shaft, the transmission shaft is wound with a pressing pad, a first pressing piece and a second pressing piece are respectively arranged on two sides of the pressing pad, the second pressing piece penetrates through one side of the pressing pad and is provided with at least one thin rod, two sides of the transmission shaft are provided with notches, at least one magnetic block is arranged in the notch, the thin rod is connected with the magnetic block, one side of the first pressing piece and one side of the second pressing piece are provided with a second spring, a sealing ring seat is arranged on one side of the first pressing piece connected with the second pressing piece through the second spring, a clamping groove is arranged among the first pressing piece, the second pressing piece and the sealing ring seat, a pressing block is arranged in the clamping groove, the briquetting top is equipped with first spring, the briquetting passes through the continuous one side of first spring is equipped with the bending piece, bending piece both sides are equipped with the pivot. The utility model discloses stable in structure, the practicality is high.
Description
Technical Field
The utility model belongs to the technical field of the sealing member, concretely relates to sealing member of boiler feed pump.
Background
In the equipment such as pump, compressor, etc., because the drive shaft is passed through the inside and outside of the equipment, there is a circumferential gap between the shaft and the equipment, the medium in the equipment leaks out through the gap, if the pressure in the equipment is lower than the atmospheric pressure, the air leaks into the equipment, so must have a shaft seal device which prevents the leakage. When the sealing element of the existing boiler feed water pump is used, the sealing effect is poor, and the stability of the sealing element is lacked during installation.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a sealing member of boiler feed pump.
The utility model provides a following technical scheme:
a sealing element of a boiler feed pump comprises a transmission shaft, wherein a pressing pad is wound on the transmission shaft, a first pressing piece and a second pressing piece are arranged on two sides of the pressing pad respectively, the second pressing piece penetrates through one side of the pressing pad and is provided with at least one thin rod, two sides of the transmission shaft are provided with notches, at least one magnetic block is arranged in each notch, the thin rods are connected with the magnetic blocks, a second spring is arranged on one side of the first pressing piece and one side of the second pressing piece, the first pressing piece and the second pressing piece are connected through the second spring, a sealing ring seat is arranged on one side of the first pressing piece and one side of the second pressing piece which are connected through the second spring, a clamping groove is formed between the first pressing piece and the sealing ring seat, a pressing block is arranged in each clamping groove, a first spring is arranged at the top of each pressing block, a bending block is arranged on one side of the pressing block which is connected through the first, The first pressing piece is connected with the second pressing piece, and a gland is sleeved outside the sealing ring seat.
Preferably, the inner wall of the gland is provided with a second assembly and a side pressing block, and the gland is connected with the sealing ring seat and the transmission shaft through the second assembly and the side pressing block.
Preferably, the two side walls of the gland are provided with connecting blocks, and the connecting blocks penetrate through the sealing ring seat to be connected with the transmission shaft.
Preferably, the two sides of the top of the gland are provided with pressing parts, the top of each pressing part is provided with a first assembly, and the pressing parts are connected with the transmission shaft through the first assemblies.
Preferably, the two sides of the notch are inclined notches.
Preferably, the inner wall of the sealing ring seat is provided with a slideway, and the sealing ring seat is connected with the first pressing piece and the second pressing piece through the slideway.
Preferably, the compact is a conical compact.
The utility model has the advantages that: the utility model relates to a rational in infrastructure, be used for pressing from both sides tightly through first casting die and second casting die and compress tightly the pad, the compactness that the first casting die of a plurality of magnetic paths and thin pole linking to each other increase and transmission shaft are connected is equipped with the second spring between first casting die and the second casting die and increases stability, the first spring extrusion briquetting of the piece one side of buckling, notch department between seal ring seat and casting die is established to the briquetting, the extrusion through the special shape briquetting increases the stability that the device is connected, reduce rocking when installing.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Labeled as: 1. the sealing device comprises a first assembly, a second assembly, a pressing block, a clamping groove, a connecting block, a first pressing piece, a bending block, a first spring, a second pressing piece, a notch, a magnet, a thin rod, a transmission shaft, a pressing part, a side pressing block, a pressing cover, a sealing ring seat, a pressing pad and a second spring, wherein the pressing block is 3, the clamping groove is 4, the connecting block is 5, the first pressing piece is 6, the bending block is 7, the first spring is 8, the second pressing piece is 9, the notch is 10, the magnet is 11, the thin rod is 12.
Detailed Description
As shown in fig. 1, the sealing member for a boiler feed pump of the present invention comprises a transmission shaft 13, the transmission shaft 13 is wound with a pressing pad 18, two sides of the pressing pad 18 are respectively provided with a first pressing member 6 and a second pressing member 9, the second pressing member 9 passes through one side of the pressing pad 18 and is provided with at least one slender rod 12, two sides of the transmission shaft 13 are provided with notches 10, at least one magnet 11 is arranged in the notch 10, the slender rod 12 is connected with the magnet 11, one side of the first pressing member 6 and one side of the second pressing member 9 are provided with a second spring 19, one side of the first pressing member 6 and one side of the second pressing member 9 which are connected with the second spring 19 is provided with a seal ring seat 17, a clamping groove 4 is arranged between the first pressing member 6 and the second pressing member 9 and the seal ring seat 17, a pressing block 3 is arranged in the clamping groove 4, the top of the first spring 8 is arranged at, the pressing block 3 is provided with a bending block 7 on one side connected with the first spring 8, rotating shafts are arranged on two sides of the bending block 7, the bending block 7 is respectively connected with the sealing ring seat 17, the first pressing piece 6 and the second pressing piece 9 through the rotating shafts, and a gland 16 is sleeved outside the sealing ring seat 17.
Specifically, as shown in fig. 1, the device comprises a transmission shaft 13, wherein a pressing pad 18 is wound on the transmission shaft 13, the pressing pad 18 has effects of clamping and increasing the sealing performance, a first pressing member 6 and a second pressing member 9 are respectively arranged on two sides of the pressing pad 18, the first pressing member 6 and the second pressing member 9 are used for clamping the pressing pad 18, the second pressing member 9 penetrates through one side of the pressing pad 18 and is provided with at least one thin rod 12, two sides of the transmission shaft 13 are provided with notches 10, at least one magnet 11 is arranged in the notch 10, the thin rod 12 is connected with the magnet 11, the tightness of the connection of the first pressing member 6 and the transmission shaft 13 is increased by the connection of the magnet 11 and the thin rod 12, a second spring 19 is arranged on one side of the first pressing member 6 and the second pressing member 9, a seal ring seat 17 is arranged on one side of the first pressing member 6 and the second pressing member 9 which are connected through the second spring 19, a clamping groove 4 is, be equipped with briquetting 3 in the double-layered groove 4, 3 tops of briquetting are equipped with first spring 8, briquetting 3 links to each other one side through first spring 8 and is equipped with bending piece 7, bending piece 7 both sides are equipped with the pivot, bending piece 7 respectively with seal ring seat 17 through the pivot, first casting die 6, second casting die 9 links to each other, seal ring seat 17 overcoat is equipped with gland 16, it increases stability to be equipped with second spring 19 between first casting die 6 and the second casting die 9, 8 extrusion briquetting 3 of first spring of bending piece 7 one side, notch 10 departments between seal ring seat 17 and casting die are established to briquetting 3, the extrusion through special shape briquetting 3 increases the stability that the device is connected, rock when reducing the installation, gland 16 plays the effect that increases leakproofness and protectiveness.
Specifically, as shown in fig. 1, the inner wall of the gland 16 is provided with the second assembly 2 and the side pressure block 15, the gland 16 is connected with the sealing ring seat 17 and the transmission shaft 13 through the second assembly 2 and the side pressure block 15, and the second assembly 2 and the side pressure block 15 increase the connection stability and the sealing performance. Connecting blocks 5 are arranged on two side walls of the gland 16, the connecting blocks 5 penetrate through the sealing ring seat 17 to be connected with the transmission shaft 13, and the connecting blocks 5 strengthen connection between the first pressing piece 6 and the transmission shaft 13 and connection between the second pressing piece 9 and the transmission shaft 13. The two sides of the top of the gland 16 are provided with the pressing parts 14, the top of the pressing part 14 is provided with the first component 1, the pressing part 14 is connected with the transmission shaft 13 through the first component 1, and the pressing part 14 plays a role in strengthening pressing. Two sides of the notch 10 are provided with inclined openings which are convenient for the pressing of the pressing block 3. The inner wall of the sealing ring seat 17 is provided with a slideway, the sealing ring seat 17 is connected with the first pressing piece 6 and the second pressing piece 9 through the slideway, and the slideway is convenient for the installation of the first pressing piece 6 and the second pressing piece 9. The pressing block 3 is a conical pressing block, and the conical pressing block is convenient for pressing the pressing block.
The utility model discloses a theory of operation is: the utility model comprises a transmission shaft 13, the transmission shaft 13 is wound with a pressing pad 18, the pressing pad 18 plays the effect of clamping and increasing the tightness, two sides of the pressing pad 18 are respectively provided with a first pressing piece 6 and a second pressing piece 9, the first pressing piece 6 and the second pressing piece 9 are used for clamping the pressing pad 18, the second pressing piece 9 is provided with at least one thin rod 12 through one side of the pressing pad 18, two sides of the transmission shaft 13 are provided with a notch 10, at least one magnet 11 is arranged in the notch 10, the thin rod 12 is connected with the magnet 11, the tightness of the connection of the first pressing piece 6 and the transmission shaft 13 is increased through the connection of the magnet 11 and the thin rod 12, one side of the first pressing piece 6 and one side of the second pressing piece 9 are provided with a second spring 19, one side of the first pressing piece 6 and one side of the second pressing piece 9 are connected with a sealing ring seat 17 through the second spring 19 is provided with the sealing ring seat 17, a clamping groove 4 is arranged, briquetting 3 top is equipped with first spring 8, briquetting 3 is equipped with bending piece 7 through the continuous one side of first spring 8, bending piece 7 both sides are equipped with the pivot, bending piece 7 through the pivot respectively with seal ring seat 17, first casting die 6, second casting die 9 links to each other, seal ring seat 17 overcoat is equipped with gland 16, it increases stability to be equipped with second spring 19 between first casting die 6 and the second casting die 9, the first spring 8 extrusion briquetting 3 of bending piece 7 one side, notch 10 department between seal ring seat 17 and casting die is established to briquetting 3, the extrusion through special shape briquetting 3 increases the stability that the device is connected, rocking when reducing the installation, gland 16 plays the effect that increases leakproofness and protectiveness.
To sum up, the utility model relates to a rational in infrastructure, be used for pressing from both sides tightly to compress tightly the pad through first casting die and second casting die, the compactness of the first casting die of the linking to each other increase of a plurality of magnetic paths and slender pole and transmission shaft is connected is equipped with the second spring between first casting die and the second casting die and increases stability, the first spring extrusion briquetting of buckling piece one side, notch department between seal ring seat and casting die is established to the briquetting, the extrusion through the special shape briquetting increases the stability that the device is connected, rocking when reducing the installation.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A sealing element of a boiler feed water pump is characterized in that: the pressing device comprises a transmission shaft, wherein a pressing pad is wound on the transmission shaft, a first pressing piece and a second pressing piece are arranged on two sides of the pressing pad respectively, the second pressing piece penetrates through one side of the pressing pad and is provided with at least one thin rod, two sides of the transmission shaft are provided with notches, at least one magnetic block is arranged in each notch, the thin rods are connected with the magnetic blocks, a second spring is arranged on one side of each of the first pressing piece and the second pressing piece, a sealing ring seat is arranged on one side, connected with each other through the second spring, of each of the first pressing piece and the second pressing piece, a clamping groove is formed between each of the first pressing piece and the sealing ring seat, a pressing block is arranged in each clamping groove, a first spring is arranged at the top of each pressing block, a bending block is arranged on one side, connected with each other through the first spring, rotating shafts are arranged on two sides of the bending, The first pressing piece is connected with the second pressing piece, and a gland is sleeved outside the sealing ring seat.
2. A seal for a boiler feed water pump according to claim 1, wherein: the inner wall of the gland is provided with a second assembly and a side pressing block, and the gland is connected with the sealing ring seat and the transmission shaft through the second assembly and the side pressing block.
3. A seal for a boiler feed water pump according to claim 1, wherein: and connecting blocks are arranged on two side walls of the gland, and the connecting blocks penetrate through the sealing ring seat to be connected with the transmission shaft.
4. A seal for a boiler feed water pump according to claim 1, wherein: the gland top both sides are equipped with the portion that compresses tightly, the portion top that compresses tightly is equipped with first subassembly, the portion that compresses tightly through first subassembly with the transmission shaft links to each other.
5. A seal for a boiler feed water pump according to claim 1, wherein: the two sides of the notch are provided with inclined openings.
6. A seal for a boiler feed water pump according to claim 1, wherein: the inner wall of the sealing ring seat is provided with a slide way, and the sealing ring seat is connected with the first pressing piece and the second pressing piece through the slide way.
7. A seal for a boiler feed water pump according to claim 1, wherein: the pressing block is a conical pressing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022369837.7U CN213479175U (en) | 2020-10-22 | 2020-10-22 | Sealing element of boiler feed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022369837.7U CN213479175U (en) | 2020-10-22 | 2020-10-22 | Sealing element of boiler feed pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213479175U true CN213479175U (en) | 2021-06-18 |
Family
ID=76368335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022369837.7U Active CN213479175U (en) | 2020-10-22 | 2020-10-22 | Sealing element of boiler feed pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213479175U (en) |
-
2020
- 2020-10-22 CN CN202022369837.7U patent/CN213479175U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213479175U (en) | Sealing element of boiler feed pump | |
| CN209067580U (en) | A kind of hydraulic cylinder piston combination sealing arrangement | |
| CN210830469U (en) | Large-shaft-diameter multi-petal type carbon ring seal | |
| CN2237758Y (en) | U-combined sealing ring | |
| CN201443488U (en) | Filler structure of piston-type compressor | |
| CN214499462U (en) | High-pressure nitrogen multistage centrifugal blower | |
| CN213392633U (en) | Plunger pump packing structure | |
| CN111594510A (en) | Integral type bellows bearing seal cylinder | |
| CN212455507U (en) | Reciprocating compressor packing sealing mechanism | |
| CN212563909U (en) | Integral type bellows bearing seal cylinder | |
| CN217602870U (en) | Novel compressor sealing device | |
| CN218780757U (en) | High-buffering polytetrafluoroethylene gasket | |
| CN2544146Y (en) | Lip type packing seal piece | |
| CN219911725U (en) | Combined sealing type high-pressure-resistant oil seal | |
| CN213450983U (en) | Hydraulic equipment mechanical seal structure | |
| CN219035531U (en) | Combined sealing type piston ring set | |
| CN221097035U (en) | Sealing structure of guide sleeve of ultralow-speed hydraulic cylinder | |
| CN221195583U (en) | Hydraulic cylinder with combined sealing structure | |
| CN215805957U (en) | High-pressure reciprocating oil seal for shock absorber | |
| CN221374454U (en) | High-temperature-resistant sealing packing structure | |
| CN213269895U (en) | Pipe-jacking tunneling machine shell | |
| CN210509527U (en) | Packing assembly for compressor | |
| CN218863247U (en) | Novel piston structure of cylinder | |
| CN214946367U (en) | Shaft end sealing structure for gas medium | |
| CN220795561U (en) | Flange for observation window of submersible |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |