CN215370368U - Flushing device for mechanical seal - Google Patents
Flushing device for mechanical seal Download PDFInfo
- Publication number
- CN215370368U CN215370368U CN202121791463.6U CN202121791463U CN215370368U CN 215370368 U CN215370368 U CN 215370368U CN 202121791463 U CN202121791463 U CN 202121791463U CN 215370368 U CN215370368 U CN 215370368U
- Authority
- CN
- China
- Prior art keywords
- sealing
- cover
- flushing
- flushing device
- mechanical seal
- 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 provides a flushing device pump body for mechanical sealing; the sealing cover is fixedly arranged on one side of the pump body, a sealing cavity is arranged in the sealing cover, second sealing grooves are formed in the left side and the right side of the sealing cavity, and second sealing rings are arranged in the second sealing grooves; the flushing device is arranged at the bottom of the sealing cover and comprises a flushing cover. The utility model provides a flushing device for mechanical sealing, wherein an embedded rod is kept embedded in a limiting block through the elasticity of a spring, a flushing cover is fixed at the bottom of a sealing cover, the embedded rod is only required to be pulled out when the flushing device is disassembled, the embedded rod is separated from the limiting block and can be disassembled, the threaded rod fixation is changed into the pumping rod limiting fixation, the installation and the disassembly by an external tool are not required, and the disassembly and the assembly between the sealing cover and the flushing cover are convenient; simultaneously washing the inside filter that sets up of cover, can holding back the inside dirt of the pump body, conveniently clear up the dirt when dismantling washing the cover.
Description
Technical Field
The utility model relates to the field of flushing, in particular to a flushing device for mechanical sealing.
Background
Because the mechanical seal has the advantages of good sealing effect, wide application range, long service life and the like, the shaft seal of most of the centrifugal pumps at present uses the mechanical seal.
According to the conditions of conveying media and equipment, an auxiliary flushing device adopted by the mechanical seal mainly has two structures of self-flushing and external flushing; the self-flushing structure is characterized in that in the operation of the centrifugal pump, a medium flushes a mechanical seal part from an outlet high-pressure area through a flushing pipeline and flushing holes in a static ring gland, and then flows back to an inlet low-pressure area for circular flushing.
When washing, the water pipe is connected to one end of the centrifugal pump, water flow impact washing is carried out on the inside of the centrifugal pump, impact of water flow drives the mechanical seal and the inner wall of the centrifugal pump, the inner wall is vibrated by the water flow to emit noise, and when washing, the generated noise makes surrounding workers to be broken and worn.
Therefore, there is a need to provide a flushing device for mechanical sealing to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flushing device for a mechanical seal, which solves the problems that the mechanical seal and the inner wall of a centrifugal pump are driven by the impact of water flow, the inner wall generates noise due to the vibration of the water flow, and surrounding workers are damaged by the generated noise during flushing.
In order to solve the above technical problem, the present invention provides a flushing device for mechanical sealing, comprising: a pump body;
the sealing cover is fixedly arranged on one side of the pump body, a sealing cavity is arranged in the sealing cover, second sealing grooves are formed in the left side and the right side of the sealing cavity, and second sealing rings are arranged in the second sealing grooves;
the washing device is arranged at the bottom of the sealing cover and comprises a washing cover, and an embedded wall is arranged at the top of the washing cover.
Preferably, the two sides of the interior of the washing cover are both provided with first communicating holes, and threaded rods are arranged in the first communicating holes.
Preferably, a first sealing groove is formed in the middle of the outer surface of the embedding wall, and a first sealing groove is formed in the first sealing groove.
Preferably, the second communication hole is formed in both sides of the inside of the sealing cover.
Preferably, the inside both sides of sealed cowling all are provided with the embedding chamber, the top and the bottom of embedding intracavity chamber all are provided with the spout, one side fixed mounting of spout has the slide bar.
Preferably, the outer surface of the sliding rod is provided with a sliding block, one side of the sliding block is fixedly connected with a spring, and one side of the sliding block is fixedly provided with an embedded rod.
Preferably, both sides of the top of the washing cover are fixedly provided with limit blocks.
Preferably, the two sides of the interior of the washing cover are both provided with collecting grooves, and filter plates are arranged in the collecting grooves.
Compared with the related art, the flushing device for the mechanical seal has the following beneficial effects:
the utility model provides a flushing device for mechanical sealing, wherein an embedded rod is kept embedded in a limiting block through the elasticity of a spring, a flushing cover is fixed at the bottom of a sealing cover, the embedded rod is only required to be pulled out when the flushing device is disassembled, the embedded rod is separated from the limiting block and can be disassembled, the threaded rod fixation is changed into the pumping rod limiting fixation, the installation and the disassembly by an external tool are not required, and the disassembly and the assembly between the sealing cover and the flushing cover are convenient; simultaneously washing the inside filter that sets up of cover, can holding back the inside dirt of the pump body, conveniently clear up the dirt when dismantling washing the cover.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of a flushing device for a mechanical seal according to the present invention;
FIG. 2 is a schematic view of the flushing device shown in FIG. 1;
FIG. 3 is a cross-sectional view of the flushing device shown in FIG. 2;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic structural diagram of a second embodiment of a flushing device for a mechanical seal according to the present invention;
fig. 6 is an enlarged view of the portion B shown in fig. 5.
Reference numbers in the figures: 1. the pump body, 2, the sealed cowling, 3, washing unit, 31, wash the cover, 32, the embedding wall, 33, first seal groove, 34, first sealing washer, 35, the threaded rod, 4, first intercommunicating pore, 5, the seal chamber, 6, the second intercommunicating pore, 7, the second seal groove, 8, the second sealing washer, 9, the collecting vat, 10, the filter, 11, the stopper, 12, the embedding chamber, 13, the spout, 14, the slide bar, 15, the spring, 16, the slider, 17, the embedding pole
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of a flushing device for mechanical sealing according to the present invention; FIG. 2 is a schematic view of the flushing device shown in FIG. 1; FIG. 3 is a cross-sectional view of the flushing device shown in FIG. 2; fig. 4 is an enlarged view of the portion a shown in fig. 3. A flushing device for a mechanical seal, comprising: a pump body 1;
the pump body is characterized by comprising a sealing cover 2, wherein the sealing cover 2 is fixedly arranged on one side of the pump body 1, a sealing cavity 5 is arranged in the sealing cover 2, second sealing grooves 7 are formed in the left side and the right side of the sealing cavity 5, and second sealing rings 8 are arranged in the second sealing grooves 7;
the washing device 3, the washing device 3 set up in the bottom of sealed cowling 2, washing device 3 includes washing cover 31, the top of washing cover 31 is provided with embedding wall 32.
The inside of washing cover 31 sets up the shower nozzle, connects outside water pipe water pump, and the inside of the blowout water column to the pump body 1 carries out rivers and washes.
Wash the inside both sides of cover 31 and all be provided with first through-hole 4, the inside of first through-hole 4 is provided with threaded rod 35.
The threaded rod 35 is embedded into the first communicating hole 4 and the second communicating hole 6, and the other side is rotatably meshed with the nut to press the sealing cover 2 and the washing cover 31 together, so that the gap is reduced.
A first sealing groove 33 is formed in the middle of the outer surface of the insertion wall 32, and a first sealing ring 34 is arranged inside the first sealing groove 33.
The first seal groove 33 and the second seal groove 7 are arranged in opposite directions, and the first seal ring 34 and the second seal ring 8 are attached to each other to form a sealing effect.
And second communication holes 6 are formed in two sides of the inside of the sealing cover 2.
The working principle of the flushing device for mechanical sealing provided by the utility model is as follows:
during operation, the flushing cover 31 is firstly buckled at the bottom of the sealing cover 2, the embedding wall 32 is embedded into the sealing cavity 5, the first sealing groove 33 and the second sealing groove 7 are mutually attached, and the first sealing ring 34 and the second sealing ring 8 are attached to form a sealing effect.
The threaded rod 35 is then inserted through the first communicating hole 4 and the second communicating hole 6, and then the threaded rod is screwed, so that the sealing cover 2 and the washing cover 31 are clamped and jointed.
Compared with the related art, the flushing device for the mechanical seal has the following beneficial effects:
the utility model provides a flushing device for mechanical sealing, which is characterized in that a flushing device 3 is additionally arranged at the bottom of a sealing cover 2 of a pump body 1, a first communicating hole 4 and a second communicating hole 6 are formed in the left side and the right side of the flushing cover 31 and the sealing cover 2, the two communicating holes are connected through a threaded rod 35 and a nut, the sealing cover 2 and the flushing cover 31 are connected through the nut, and then a first sealing ring 34 and a second sealing ring 8 are attached to each other, so that a gap between the sealing cover 2 and the flushing cover 31 is reduced, noise generated under water flow impact is reduced as much as possible, and the working environment of peripheral workers is improved.
Second embodiment
Referring to fig. 5 and fig. 6 in combination, a second embodiment of the present application provides another flushing device for a mechanical seal based on the flushing device for a mechanical seal provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference that a washing unit that mechanical seal used that the second embodiment of this application provided lies in, a washing unit that mechanical seal used, the inside both sides of sealed cowling 2 all are provided with embedding chamber 12, the top and the bottom of embedding chamber 12 inner chamber all are provided with spout 13, one side fixed mounting of spout 13 has slide bar 14.
The inside of spout 13 has transversely set up slide bar 14, and the outside fixed connection of spout 13 inner wall has a spring 15, is the one side of keeping away from stopper 11, and the other end of spring 15 connects slider 16, and the other end of two sliders 16 has all connected same embedded rod 17.
The outer surface of the sliding rod 14 is provided with a sliding block 16, one side of the sliding block 16 is fixedly connected with a spring 15, and one side of the sliding block 16 is fixedly provided with an embedded rod 17.
One end of the embedding rod 17 extends towards the middle of the sealing cap 2, passing through the embedding chamber 12.
Both sides of the top of the washing cover 31 are fixedly provided with limit blocks 11.
The side of the limiting block 11 close to the embedding rod 17 is provided with a concave hole matched with the embedding rod 17.
The two sides of the interior of the washing cover 31 are provided with collecting grooves 9, and filter plates 10 are arranged in the collecting grooves 9.
The filter plate 10 filters the water, trapping dirt within the collection tank 9.
The working principle of the flushing device for mechanical sealing provided by the utility model is as follows:
during operation, the embedding rod 17 is firstly pulled out, the embedding rod 17 is pulled out to the outside to drive the sliding block 16 to extrude the spring 18, the embedding rod 17 is separated from the limiting block 11, and the flushing cover 31 is separated from the sealing cover 2.
When the device is installed, the embedding rod 17 is pulled outwards, the washing cover 31 is embedded into the sealing cover 2, the limitation on the embedding rod 17 is released, and the embedding rod 17 is pushed into the limiting block 11 to be limited under the restoring elasticity of the spring 18, so that the washing cover 31 and the sealing cover 2 are limited together.
When the washing water pump, the water of washing when flowing back from pump body 1 inside, take the dirt to wash back in washing cover 31, discharge along with collecting vat 9, the dirt is intercepted inside collecting vat 9 by filter 10, is dismantled the back when washing cover 31, conveniently collects inside dirt.
Compared with the related art, the flushing device for the mechanical seal has the following beneficial effects:
the utility model provides a flushing device for mechanical sealing, wherein an embedded rod 17 is kept embedded in a limiting block 11 through the elasticity of a spring 15, a flushing cover 31 is fixed at the bottom of a sealing cover 2, only the embedded rod 17 needs to be pulled out during disassembly, the embedded rod 17 is separated from the limiting block 11 and can be disassembled, the fixing of a threaded rod 35 is changed into the limiting fixing of a pulling rod, the assembly and disassembly by an external tool are not needed, and the disassembly and the assembly between the sealing cover 2 and the flushing cover 31 are convenient; meanwhile, the filter plate 10 is arranged inside the washing cover 31, so that dirt inside the pump body 1 can be intercepted, and the dirt can be conveniently cleaned when the washing cover 31 is detached.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A flushing device for a mechanical seal, comprising: a pump body;
the sealing cover is fixedly arranged on one side of the pump body, a sealing cavity is arranged in the sealing cover, second sealing grooves are formed in the left side and the right side of the sealing cavity, and second sealing rings are arranged in the second sealing grooves;
the washing device is arranged at the bottom of the sealing cover and comprises a washing cover, and an embedded wall is arranged at the top of the washing cover.
2. The flushing device for mechanical seal of claim 1, wherein the flushing cover is provided with a first through hole on both sides of the inside thereof, and a threaded rod is provided inside the first through hole.
3. The flushing device for the mechanical seal according to claim 1, wherein a first seal groove is disposed in the middle of the outer surface of the embedding wall, and a first seal groove is disposed inside the first seal groove.
4. The flushing device for the mechanical seal as recited in claim 1, wherein the second communication hole is provided on both sides of the inside of the sealing cap.
5. The flushing device for the mechanical seal of claim 1, wherein the sealing cover is provided with an embedded cavity at both sides of the inside thereof, the top and the bottom of the inner cavity of the embedded cavity are provided with sliding grooves, and a sliding rod is fixedly mounted at one side of the sliding grooves.
6. The flushing device for the mechanical seal of claim 5, wherein the outer surface of the sliding rod is provided with a sliding block, one side of the sliding block is fixedly connected with a spring, and one side of the sliding block is fixedly provided with an embedded rod.
7. The flushing device for mechanical seal of claim 1, wherein the top of the flushing cover is fixedly provided with a limiting block at both sides.
8. The mechanical seal flushing device of claim 1, wherein the flushing hood is provided with collecting grooves on both sides of the inside thereof, and the inside of the collecting grooves is provided with a filter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121791463.6U CN215370368U (en) | 2021-08-03 | 2021-08-03 | Flushing device for mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121791463.6U CN215370368U (en) | 2021-08-03 | 2021-08-03 | Flushing device for mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215370368U true CN215370368U (en) | 2021-12-31 |
Family
ID=79614693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121791463.6U Active CN215370368U (en) | 2021-08-03 | 2021-08-03 | Flushing device for mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215370368U (en) |
-
2021
- 2021-08-03 CN CN202121791463.6U patent/CN215370368U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210159271U (en) | Filter valve capable of discharging sewage quickly and cleaning sewage easily | |
| CN220706087U (en) | Anti-blocking water pump | |
| CN108580424B (en) | Electric tooth cleaner handle cleaning device | |
| CN107965016B (en) | Drainer with overflow and filtering capability | |
| CN215370368U (en) | Flushing device for mechanical seal | |
| CN218817044U (en) | High-power plastic pump | |
| CN218509656U (en) | Amphibious high-pressure pump | |
| CN111974069B (en) | Rotary disc filtering device | |
| CN211486803U (en) | Y-shaped filter with ball valve | |
| CN209779537U (en) | Wash drainage device | |
| CN219888366U (en) | Filtering structure for energy-saving water pump | |
| CN220028052U (en) | Dredging and cleaning device for pulse capillary tube | |
| CN219663021U (en) | Self-cleaning filter for suspended matters in sewage treatment process section | |
| CN221131241U (en) | Double-filter-screen back-flushing pre-filter | |
| CN220328148U (en) | Filter equipment convenient to change filter core | |
| CN211963214U (en) | Filter for refrigeration air conditioner | |
| CN211215646U (en) | Detachable basket filter | |
| CN216878165U (en) | Detachable and washable filtering mechanism and water outlet device | |
| CN214972150U (en) | Tubular self-cleaning filter | |
| CN115177989B (en) | Decompression piston type backflow preventer | |
| CN220470131U (en) | Single-time liquid production metering device for plunger | |
| CN213332553U (en) | A anti-backflow device for rain, sewage treatment | |
| CN216062195U (en) | Full self-cleaning filter equipment | |
| CN214118483U (en) | Single-stage double-suction split pump with good sealing performance | |
| CN220910570U (en) | Novel integrated pressure reducing valve assembly structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |