CN215980079U - Mechanical sealing device for wear-resistant corrosion-resistant chemical pump - Google Patents
Mechanical sealing device for wear-resistant corrosion-resistant chemical pump Download PDFInfo
- Publication number
- CN215980079U CN215980079U CN202122157359.8U CN202122157359U CN215980079U CN 215980079 U CN215980079 U CN 215980079U CN 202122157359 U CN202122157359 U CN 202122157359U CN 215980079 U CN215980079 U CN 215980079U
- Authority
- CN
- China
- Prior art keywords
- chemical pump
- body shell
- pump body
- resistant
- fixed
- 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
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a mechanical sealing device for a wear-resistant corrosion-resistant chemical pump, and relates to the technical field of chemical pumps. The water pump comprises a chemical pump body shell and a driving rod, wherein the driving rod is positioned at one end of the chemical pump body shell, one end of the chemical pump body shell is provided with a water pump water inlet for water flow to enter, and the top of the chemical pump body shell is provided with a hand pump water outlet for water flow to discharge; one end of the chemical pump body shell is provided with a sealing cavity tube, and the sealing cavity tube is internally provided with a sealing mechanism for preventing liquid in the chemical pump body shell from flowing into the chemical pump body shell. According to the utility model, the fixed retainer ring and the annular retainer ring are in arc-shaped fit rotation through the sealing mechanism, so that chemical liquid can be effectively prevented from entering the inside of the sealed cavity tube, the material of the annular retainer ring can be effectively prevented from corrosion, the service life of the sealed cavity tube can be ensured, the sealing performance of the sealed cavity tube is prevented from being reduced, friction generated by long-time rotation of the driving rod and the sealed cavity tube can be reduced through the lubricating mechanism, and the service life of the sealed cavity tube is prolonged.
Description
Technical Field
The utility model belongs to the technical field of chemical pumps, and particularly relates to a mechanical sealing device for a wear-resistant corrosion-resistant chemical pump.
Background
The chemical pump is an energy-saving pump designed in a national union, and has the advantages that: the whole series of hydraulic performance is reasonable in layout, wide in user selection range, of a 'rear-open' structure, convenient to overhaul, and convenient to maintain, and the efficiency and the suction stroke reach the international advanced level, while the mechanical seal is the most widely used sealing form in the chemical pump industry, and because the mechanical seal has the advantages of small leakage amount, long service life and the like, the mechanical seal in the world is the most important shaft sealing mode of the equipment;
however, the mechanical sealing part of the existing chemical pump has the following problems:
1. some chemical liquid may be corrosive, and may cause some corrosion to the mechanical sealing element, resulting in a decrease in the sealing performance of the mechanical sealing element.
2. Due to the high-speed rotation of the rotating shaft, long-term friction is generated between the outer surface of the rotating shaft and the mechanical sealing element, and therefore certain abrasion is caused to both the mechanical sealing element and the rotating shaft.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a mechanical sealing device for a wear-resistant corrosion-resistant chemical pump, which aims to solve the existing problems: some chemical liquid may be corrosive, and may cause some corrosion to the mechanical sealing element, resulting in a decrease in the sealing performance of the mechanical sealing element.
In order to solve the technical problems, the utility model is realized by the following technical scheme: a mechanical sealing device for a wear-resistant corrosion-resistant chemical pump comprises a chemical pump body shell and a driving rod, wherein the driving rod is positioned at one end of the chemical pump body shell, one end of the chemical pump body shell is provided with a water pump water inlet for water flow to enter, and the top of the chemical pump body shell is provided with a hand pump water outlet for water flow to discharge;
one end of the chemical pump body shell is provided with a sealing cavity tube, and a sealing mechanism for preventing liquid in the chemical pump body shell from flowing in is arranged in the sealing cavity tube;
the top of the sealed lumen is fitted with a lubrication mechanism.
Furthermore, the inside of chemical pump body shell still is equipped with the rotatory fan blade that is used for driving rivers, the one end and the actuating lever fixed connection of rotatory fan blade.
Furthermore, the sealing mechanism comprises a rotary check ring, and the rotary check ring is fixed at one end of the rotary fan blade and positioned at the outer side of the driving rod and used for preventing water flow in the chemical pump body shell from entering the chemical pump body shell;
one end of the rotary check ring is also provided with a seal ring for improving the sealing effect of the rotary check ring;
the outer side of the driving rod and two ends of the inner side of the sealed cavity pipe are also provided with fixed check rings, the fixed check rings are fixedly connected with the sealed cavity pipe, the inner part of each fixed check ring is rotatably connected with an annular check ring, the annular check ring is made of nitrile rubber, and the annular check ring is fixedly connected with the driving rod.
Furthermore, the sealed cavity tube also comprises a circular outer ring, the circular outer ring is positioned in the middle of the sealed cavity tube, a rotating part is rotatably connected inside the circular outer ring, and the rotating part is fixedly connected with the driving rod.
Further, the lubricating mechanism comprises an oil storage pipe, the oil storage pipe is fixed to the top of the circular outer ring, a fixed block is fixed to the top end inside the oil storage pipe, a rigid spring is fixed to the bottom of the fixed block and located inside the oil storage pipe, a conical moving block is fixed to the bottom of the rigid spring, a baffle is assembled to the outer side of the conical moving block, and the conical moving block is fixedly connected with the oil storage pipe;
the bottom of the conical moving block is fixed with a marble through a vertical rod;
an annular groove is formed in the outer side of the rotating piece, and a supporting block is fixed inside the annular groove.
Furthermore, a through hole is formed in the top of the circular outer ring and used for enabling the vertical rod to slide inside the circular outer ring, and the diameter of the through hole is larger than that of the vertical rod and used for enabling liquid in the oil storage pipe to flow into the inside of the circular outer ring.
The utility model has the following beneficial effects:
1. according to the utility model, the fixed check ring and the annular check ring are in arc-shaped fit rotation through the sealing mechanism, so that chemical liquid can be effectively prevented from entering the inside of the sealed cavity tube, and the material of the annular check ring can be effectively prevented from corrosion, so that the service life of the sealed cavity tube can be ensured, and the sealing performance of the sealed cavity tube can be prevented from being reduced.
2. The utility model can reduce the friction generated by the long-time rotation of the driving rod and the sealed cavity tube and improve the service life of the sealed cavity tube through the lubricating mechanism.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic structural diagram of the interior of the housing of the chemical pump body according to the present invention;
FIG. 3 is a schematic view of the connection structure of the rotating retainer ring and the sealed cavity tube;
FIG. 4 is a schematic view of a connecting structure of a fixed retainer ring and an annular retainer ring according to the present invention;
FIG. 5 is a schematic view of the inner structure of the circular outer ring of the present invention;
FIG. 6 is a sectional view showing the inside of an oil reservoir according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a chemical pump body shell; 2. a water inlet of the water pump; 3. a water outlet of the hand pump; 4. sealing the lumen; 5. a drive rod; 6. an oil storage pipe; 7. rotating the fan blade; 8. rotating the retainer ring; 9. a rotating member; 10. a circular outer ring; 11. fixing a retainer ring; 12. an annular retainer ring; 13. a resisting block; 14. a fixed block; 15. a rigid spring; 16. a baffle plate; 17. a conical moving block; 18. and (4) bouncing balls.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the utility model is a mechanical sealing device for a wear-resistant corrosion-resistant chemical pump, comprising a chemical pump housing 1 and a driving rod 5, wherein the driving rod 5 is located at one end of the chemical pump housing 1, one end of the chemical pump housing 1 is provided with a water pump inlet 2 for water flow to enter, and the top of the chemical pump housing 1 is provided with a hand pump water outlet 3 for water flow to discharge;
one end of the chemical pump body shell 1 is provided with a sealing cavity tube 4, and a sealing mechanism for preventing liquid in the chemical pump body shell 1 from flowing in is arranged in the sealing cavity tube 4;
the chemical pump body shell 1 is internally provided with a rotary fan blade 7 for driving water flow, one end of the rotary fan blade 7 is fixedly connected with the driving rod 5, the rotary fan blade 7 can be driven to rotate by the rotation of the driving rod 5, and then liquid is driven to be sucked from the water inlet 2 of the water pump and discharged from the water outlet 3 of the hand pump;
the sealing mechanism comprises a rotary check ring 8, one end of a rotary fan blade 7 is also fixedly provided with the rotary check ring 8 at the outer side of the driving rod 5 and is used for preventing water flow in the chemical pump body shell 1 from entering the chemical pump body shell 1;
a sealing ring for improving the sealing effect of the rotary check ring 8 is arranged at one end of the rotary check ring 8, so that liquid in the chemical pump body shell 1 can be effectively prevented from entering the chemical pump body shell 1, and further, the corrosion of the liquid in the chemical pump body shell 1 to parts in the sealed cavity tube 4 is reduced;
the outer side of the driving rod 5 and two ends positioned in the sealed cavity tube 4 are also provided with fixed check rings 11, the fixed check rings 11 are fixedly connected with the sealed cavity tube 4, the inner part of each fixed check ring 11 is rotatably connected with an annular check ring 12, and the annular check rings 12 are fixedly connected with the driving rod 5, so that when liquid enters the sealed cavity tube 4, the liquid needs to pass through the joint of the fixed check rings 11 and the annular check rings 12 and the arc-shaped joint of the fixed check rings 11 and the annular check rings 12, the running path of water flow entering the sealed cavity tube 4 is increased, and the corrosion of internal elements of the sealed cavity tube 4 is further prevented;
the annular retainer ring 12 is made of butadiene acrylonitrile rubber, when the acrylonitrile content of the butadiene acrylonitrile rubber is 39%, the air tightness is equivalent to that of IIR rubber, the air tightness is good, the rubber is endowed with good physical mechanical property, wear resistance and corrosion resistance through reinforcement, the butadiene acrylonitrile rubber is good in heat resistance, and the heat resistance of the butadiene acrylonitrile rubber is better than that of natural rubber and styrene butadiene rubber;
the top of the sealed cavity tube 4 is provided with a lubricating mechanism;
the sealed cavity tube 4 further comprises a circular outer ring 10, the circular outer ring 10 is located in the middle of the sealed cavity tube 4, a rotating part 9 is rotatably connected inside the circular outer ring 10, and the rotating part 9 is fixedly connected with the driving rod 5;
the lubricating mechanism comprises an oil storage pipe 6, the oil storage pipe 6 is fixed at the top of the circular outer ring 10, a fixed block 14 is fixed at the top end inside the oil storage pipe 6, a rigid spring 15 is fixed at the bottom of the fixed block 14 and positioned inside the oil storage pipe 6, a conical moving block 17 is fixed at the bottom of the rigid spring 15, a baffle 16 is assembled on the outer side of the conical moving block 17, and the conical moving block 17 is fixedly connected with the oil storage pipe 6;
the bottom of the conical moving block 17 is fixed with a marble 18 through a vertical rod;
an annular groove is formed in the outer side of the rotating piece 9, so that the marble 18 can be arranged inside the annular groove when the rotating piece 9 rotates, and a butting block 13 is fixed inside the annular groove;
the top of the circular outer ring 10 is provided with a through hole, so that a vertical rod can slide in the circular outer ring 10, the diameter of the through hole is larger than that of the vertical rod, and the through hole is used for allowing liquid in the oil storage pipe 6 to flow into the circular outer ring 10, so that the liquid in the oil storage pipe 6 enters the through hole through the outer side of the vertical rod and lubricates elements in the sealed cavity pipe 4;
when the driving rod 5 rotates, the rotation of the driving rod 5 can drive the rotating part 9 to rotate, and the rotation of the rotating part 9 enables the abutting block 13 to move around the center of the circle of the rotating part 9;
and the elastic characteristic of the rigid spring 15 makes the height of the marble 18 higher than the highest position of the annular groove, and the movement of the resisting block 13 makes the marble 18 receive force, and through the vertical rod, the conical moving block 17 is lifted up in the baffle 16, so that the liquid in the oil storage pipe 6 flows out through the gap between the baffle 16 and the conical moving block 17, and flows into the circular outer ring 10 along with the vertical rod.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a mechanical seal device for wear-resisting corrosion resistant chemical pump, includes chemical pump body shell (1) and actuating lever (5), and actuating lever (5) are located the one end of chemical pump body shell (1), its characterized in that: one end of the chemical pump body shell (1) is provided with a water pump water inlet (2) for water flow to enter, and the top of the chemical pump body shell (1) is provided with a hand pump water outlet (3) for water flow to discharge;
one end of the chemical pump body shell (1) is provided with a sealing cavity tube (4), and a sealing mechanism for preventing liquid in the chemical pump body shell (1) from flowing in is arranged in the sealing cavity tube (4);
the top of the sealed cavity tube (4) is provided with a lubricating mechanism.
2. The mechanical sealing device for the wear-resistant and corrosion-resistant chemical pump according to claim 1, wherein: the inside of chemical pump body shell (1) still is equipped with rotatory fan blade (7) that are used for driving rivers, the one end and the actuating lever (5) fixed connection of rotatory fan blade (7).
3. The mechanical sealing device for the wear-resistant and corrosion-resistant chemical pump according to claim 2, wherein: the sealing mechanism comprises a rotary check ring (8), the rotary check ring (8) is further fixed at one end of the rotary fan blade (7) and positioned on the outer side of the driving rod (5) and used for preventing water flow in the chemical pump body shell (1) from entering the chemical pump body shell (1);
one end of the rotary check ring (8) is also provided with a sealing ring for improving the sealing effect of the rotary check ring (8);
the outer side of the driving rod (5) and two ends of the inner portion of the sealed cavity tube (4) are further provided with fixed check rings (11), the fixed check rings (11) are fixedly connected with the sealed cavity tube (4), the inner portion of each fixed check ring (11) is rotatably connected with an annular check ring (12), the annular check rings (12) are made of nitrile rubber, and the annular check rings (12) are fixedly connected with the driving rod (5).
4. The mechanical sealing device for the wear-resistant and corrosion-resistant chemical pump according to claim 1, wherein: the sealed cavity tube (4) further comprises a circular outer ring (10), the circular outer ring (10) is located in the middle of the sealed cavity tube (4), a rotating piece (9) is rotatably connected to the inside of the circular outer ring (10), and the rotating piece (9) is fixedly connected with the driving rod (5).
5. The mechanical sealing device for the wear-resistant and corrosion-resistant chemical pump according to claim 4, wherein: the lubricating mechanism comprises an oil storage pipe (6), the oil storage pipe (6) is fixed to the top of the circular outer ring (10), a fixed block (14) is fixed to the top end of the interior of the oil storage pipe (6), a rigid spring (15) is fixed to the bottom of the fixed block (14) and located inside the oil storage pipe (6), a conical moving block (17) is fixed to the bottom of the rigid spring (15), a baffle plate (16) is assembled on the outer side of the conical moving block (17), and the conical moving block (17) is fixedly connected with the oil storage pipe (6);
the bottom of the conical moving block (17) is fixed with a marble (18) through a vertical rod;
an annular groove is formed in the outer side of the rotating piece (9), and a butting block (13) is fixed inside the annular groove.
6. The mechanical sealing device for the wear-resistant and corrosion-resistant chemical pump according to claim 5, wherein: a through hole is formed in the top of the circular outer ring (10) and used for enabling the vertical rod to slide in the circular outer ring (10), and the diameter of the through hole is larger than that of the vertical rod and used for enabling liquid of the oil storage pipe (6) to flow into the circular outer ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122157359.8U CN215980079U (en) | 2021-09-07 | 2021-09-07 | Mechanical sealing device for wear-resistant corrosion-resistant chemical pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122157359.8U CN215980079U (en) | 2021-09-07 | 2021-09-07 | Mechanical sealing device for wear-resistant corrosion-resistant chemical pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215980079U true CN215980079U (en) | 2022-03-08 |
Family
ID=80467872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122157359.8U Active CN215980079U (en) | 2021-09-07 | 2021-09-07 | Mechanical sealing device for wear-resistant corrosion-resistant chemical pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215980079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116906366A (en) * | 2023-08-29 | 2023-10-20 | 哈尔滨东轻金属材料加工有限公司 | Mechanical sealing device for wear-resistant corrosion-resistant chemical pump |
-
2021
- 2021-09-07 CN CN202122157359.8U patent/CN215980079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116906366A (en) * | 2023-08-29 | 2023-10-20 | 哈尔滨东轻金属材料加工有限公司 | Mechanical sealing device for wear-resistant corrosion-resistant chemical pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201092941Y (en) | Novel water-saving environment protection cleaning machine high pressure pump | |
| CN215980079U (en) | Mechanical sealing device for wear-resistant corrosion-resistant chemical pump | |
| CN101871449B (en) | Small rotor-type submersible pump | |
| CN113007128B (en) | Mechanical sealing device for wear-resistant corrosion-resistant chemical pump | |
| CN201031798Y (en) | Self cooling down wear resistant non-leakage balanced suction pump | |
| CN116906366A (en) | Mechanical sealing device for wear-resistant corrosion-resistant chemical pump | |
| CN212296861U (en) | Double-acting variable vane pump | |
| CN2699041Y (en) | Water lubricating rubber bearing for condensation pump | |
| CN2330815Y (en) | Submerged pump with axial seal structure | |
| CN2641328Y (en) | Spiral shell shaped self-sucking type centrifugal pump | |
| CN201148990Y (en) | Pump shaft mechanical sealing device | |
| CN2311628Y (en) | Efficient sealed submersible pump | |
| CN219672858U (en) | Vertical multistage pump | |
| CN207377741U (en) | Two-dimensional Liquid press pump and its cylinder body, guide rail | |
| CN216741981U (en) | Wear-resisting type gear pump with good lubricating effect | |
| CN2491635Y (en) | Vertical one-stage single sucking sewage pump | |
| CN210858845U (en) | Oil pump and lubricating system | |
| CN220869627U (en) | Split liquid inlet and outlet rotary valve of plunger type reciprocating pump | |
| CN2413063Y (en) | Vertical self-priming discharge pump | |
| CN220435025U (en) | Dry-type screw vacuum pump seal structure | |
| CN2556405Y (en) | Single-stage double-entry centrifugal dirty water pump | |
| CN212838305U (en) | Split type connecting rod oil-free piston pump | |
| CN220415703U (en) | Double-suction pump capable of preventing groove from accumulating water | |
| CN216742010U (en) | Novel long-life submersible sewage pump | |
| CN219061983U (en) | Plunger pump lubricating structure and plunger pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |