CN106594301A - Bottom valve used for immersed pump well - Google Patents
Bottom valve used for immersed pump well Download PDFInfo
- Publication number
- CN106594301A CN106594301A CN201611197151.6A CN201611197151A CN106594301A CN 106594301 A CN106594301 A CN 106594301A CN 201611197151 A CN201611197151 A CN 201611197151A CN 106594301 A CN106594301 A CN 106594301A
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- Prior art keywords
- valve
- pump
- sealing station
- immersed pump
- outer valve
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/12—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a bottom valve used for an immersed pump well and belongs to the field of sealing devices. The bottom valve comprises an inner valve body, at least two elastic return mechanisms and an outer valve body used for being arranged at the bottom end of the pump well in a sealed mode. One end of the outer valve body communicates with the pump well. The inner valve body comprises a bracket used for supporting an immersed pump, and a division base, and the bracket and the division base are fixedly mounted. The division base comprises a top plate, a bottom plate and a division blade set. The top plate and the bottom plate are connected through the division blade set. The bottom plate is in radial sealed cooperation with the outer valve body. A supporting table is arranged on the outer edge of the bracket. The elastic return mechanisms are arranged between the supporting table and the outer valve body. The stretching and retracting direction of the elastic return mechanism is the same as the sliding direction of the inner valve body. Under the condition that acting force facing the division base is not applied to the bracket, the bottom plate is in sealed fit with the outer valve body under the effect of the elastic return mechanisms. By adoption of the bottom valve, the pumping efficiency of the immersed pump is improved.
Description
Technical field
The invention belongs to sealing device field, more particularly to a kind of bottom valve for immersed pump pump sump.
Background technology
Immersed pump is a kind of equipment for pump liquid, whether can move into fixed immersed pump according to immersed pump
With portable immersed pump.
Portable immersed pump generally needs to coordinate pump sump to carry out pumpdown, and immersed pump is arranged in pump sump, the bottom of pump sump
Portion is provided with bottom valve, and pump sump is connected with fluid reservoir by bottom valve, and common bottom valve mainly includes valve body and is arranged in valve body
Valve element, by artificial control valve element, to realize the turn-on and turn-off of bottom valve.For example, when needing to pump liquid goods, first by latent liquid
Pump is moved in pump sump, then controls bottom valve conducting pump sump and fluid reservoir so that the liquid goods in fluid reservoir imports pump by bottom valve
Well, hence into being arranged in the immersed pump in pump sump, and then realizes the pumping of liquid goods, when needing to stop pumping liquid goods, first
Bottom valve shut-off pump sump and fluid reservoir are controlled first so that the liquid goods in fluid reservoir can not import pump sump by bottom valve, then again will be latent
Liquid pump is moved to outside pump sump.
However, due to being required for being controlled bottom valve before each pumpdown, to turn on pump sump and fluid reservoir, so
Cause the flow process of pumpdown complex, reduce pumping efficiency.
The content of the invention
It is low in order to solve the problems, such as portable immersed pump pumping efficiency, embodiments provide a kind of for liquid of diving
The bottom valve of pump pump sump.The technical scheme is as follows：
A kind of bottom valve for immersed pump pump sump is embodiments provided, the bottom valve includes：Inner valve body, at least two
Individual elastic recoil mechanism and the outer valve for being sealingly disposed in the bottom of pump sump, are provided with the outer valve from the outer valve
One end extend to the outer valve the other end cavity, one end of the outer valve connected with the pump sump, the internal valve
Body is slidably disposed in the cavity, and the inner valve body is included for supporting the support and guide base of immersed pump, described
Support and the guide base are fixedly installed togather, and the guide base includes top board, base plate and guide vane group, the top
Linked together by the guide vane group between plate and the base plate, the top board is provided with for connecting the immersed pump
Drainage port, be provided between the top board and the base plate into head piece, the drainage port and it is described enter head piece pass through the water conservancy diversion
Blade group is connected, and radial seal between the base plate and the outer valve coordinates, and the outer edge of the support is provided with supporting table, institute
State at least two elastic recoil mechanisms to be arranged between the supporting table and the outer valve, at least two elastic recoils machine
Structure circumferentially equidistant arranged for interval of line centered on the central shaft of the supporting table, at least two elastic recoils mechanism stretches
Direction is identical with the glide direction of the inner valve body, is not affected by the effect towards the direction of the guide base in the support
In the case of power, the base plate is coordinated with outer valve sealing in the presence of the elastic recoil mechanism.
In a kind of implementation of the present invention, the outer valve is provided with arresting lever, when the immersed pump is carried on institute
When stating on support, the arresting lever is offseted with the scotch on the immersed pump, to limit the relatively described support of the immersed pump
Rotate.
In another kind of implementation of the present invention, the outward flange of the base plate is outward extended with the first sealing station, described
One end of the correspondence guide base of outer valve extends internally and has the second sealing station, first sealing station and described second close
Envelope platform is parallel and offsets, and is clamped with black box between first sealing station and second sealing station.
In another implementation of the present invention, the black box includes first seal and installed part, described the
Two sealing station are provided with mounting groove, and the first seal is fixedly mounted in the mounting groove by the installed part.
In another implementation of the present invention, the first seal is included along between the radial direction of second sealing station
Every the epipharynx and outer lip of arrangement, one end that the epipharynx and the outer lip are located in the mounting groove is connected with each other and is formed and is used for
The groove of the installed part is housed, and the epipharynx stretches out the length of the mounting groove and the mounting groove stretched out less than the outer lip
Length.
In another implementation of the present invention, the end face offseted with first sealing station of the outer lip is song
Face, the epipharynx is plane with the end face that first sealing station offsets.
In another implementation of the present invention, the elastic recoil mechanism includes adjusting gland, spring element and guide rod,
The regulation gland is arranged in the supporting table, and is threadedly coupled between the regulation gland and the supporting table, described to lead
One end of bar is slidably inserted in the regulation gland, and the other end of the guide rod is fixedly mounted on second sealing station
On, the spring element is arranged between the regulation gland and second sealing station.
In another implementation of the present invention, gusset, the gusset between the support and the supporting table, are provided with
It is fixedly connected with the support and the supporting table respectively.
In another implementation of the present invention, the outer valve is provided with second seal, the second seal
It is installed between the outer valve and the pump sump.
In another implementation of the present invention, the inwall of the outer valve is provided with the outer shell phase with the immersed pump
The supporting oblique surface of matching.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
In the case where support is not affected by the active force towards the direction of guide base, base plate is in elastic recoil mechanism
Effect is lower and outer valve sealing coordinates, and when needing to pump liquid goods, immersed pump is hung to pump sump, with immersed pump
Drop, immersed pump are offseted with support so that immersed pump applies an edge towards guide base side to inner valve body under gravity
To active force, now, between inner valve body and outer valve, there is relative displacement so that sealing between base plate and outer valve coordinates
Failure, and then enable liquid goods to flow into outer valve from head piece Jing pre-rotary vane assemblies and drainage port is entered, then by outer valve inflow
Immersed pump, to realize the pumping of liquid goods；When needing to stop pumping liquid goods, immersed pump is hung into the bottom of pump sump, with latent liquid
The rising of pump, in the presence of elastic recoil mechanism is re-converted to sealing between base plate and outer valve and coordinates, so as to avoid liquid
Goods enters pump sump by bottom valve.During whole pumping liquid goods, the turn-on and turn-off of bottom valve are and voluntarily complete, it is not necessary to
Extraneous control, therefore pumping efficiency is improve, solve the problems, such as that pumping efficiency is low.
Description of the drawings
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of bottom valve provided in an embodiment of the present invention；
Fig. 2 is the conducting state schematic diagram of bottom valve provided in an embodiment of the present invention；
Fig. 3 is the off state schematic diagram of bottom valve provided in an embodiment of the present invention；
Fig. 4 is the profile of black box provided in an embodiment of the present invention；
In figure, each symbol represents that implication is as follows：
1- inner valve bodies, 11- supports, 111- support rings, 112- support tubes, 113- support bases, 114- supporting tables, 115- muscle
Plate, 12- guide bases, 121- guide vane groups, the first sealing station of 122-, 123- top boards, 124- base plates, 2- elastic recoil machines
Structure, 21- adjust gland, and 22- spring elements, 23- guide rods, 24- fixing nuts, 3- outer valves, the second sealing station of 31-, 32- second are close
Sealing, 33- arresting levers, 34- supporting oblique surfaces, 4- black boies, 41- first seals, 411- epipharynxs, 412- outer lips, 42- are installed
Part, 421- bolts, 422- pressing plates, 100- bottom valves, 200- pump sumps, 300- fluid reservoirs, 400- immersed pumps, 500- scotch.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
A kind of bottom valve for immersed pump pump sump is embodiments provided, as shown in figure 1, the bottom valve 100 is arranged on
The bottom of pump sump 200, pump sump 200 can be metal tub structure, and the bottom of pump sump 200 is inserted in fluid reservoir 300 and passes through
Bottom valve 100 is connected with the liquid goods in fluid reservoir 300, and immersed pump 400 is hung to pump sump 200 by the top of pump sump 200.
In the present embodiment, bottom valve 100 includes：Inner valve body 1, at least two elastic recoil mechanisms 2 and for seal arrange
In the outer valve 3 of the bottom of pump sump 200, it is provided with outer valve 3 from one end of outer valve 3 and extends to the other end of outer valve 3
Cavity, one end of outer valve 3 are connected with pump sump 200, and inner valve body 1 is slidably disposed in cavity.
Conducting state schematic diagrams of the Fig. 2 for bottom valve, referring to Fig. 2, in the present embodiment, inner valve body 1 includes being fixedly mounted on
Support 11 together and guide base 12, support 11 are used to support immersed pump 400, guide base 12 to include top board 123, base plate
124 and guide vane group 121, linked together by guide vane group 121 between top board 123 and base plate 124, on top board 123
It is provided with for connecting the drainage port a of immersed pump 400, is provided between top board 123 and base plate 124 into head piece b, drainage port a and becomes a mandarin
Mouth b is connected by guide vane group 121, and radial seal between base plate 124 and outer valve 3 coordinates, and the outer edge of support 11 is provided with
Supporting table 114, at least two elastic recoil mechanisms 2 are arranged between supporting table 114 and outer valve 3, at least two elastic recoils
The circumferentially equidistant arranged for interval of line centered on the central shaft of supporting table 114 of mechanism 2, at least two elastic recoil mechanisms 2 stretch
Direction is identical with the glide direction of inner valve body 1, is not affected by the feelings to the active force towards the direction of guide base 12 in support 11
Under condition, base plate 124 is coordinated with the sealing of outer valve 3 in the presence of elastic recoil mechanism 2.
In the case where support 11 is not affected by the active force towards the direction of guide base 12, base plate 124 is returned in elasticity
Coordinate with the sealing of outer valve 3 in the presence of the mechanism 2 of position, when needing to pump liquid goods, immersed pump 400 hung to pump sump 200,
With the decline of immersed pump 400, immersed pump 400 is offseted with support 11 so that immersed pump 400 is under gravity to inner valve body
1 applies an active force towards 12 direction of guide base, now, relative displacement occurs between inner valve body 1 and outer valve 3, makes
The sealing obtained between base plate 124 and outer valve 3 coordinates failure (as shown in Figure 2), and then liquid goods is led from head piece b Jing are entered
Stream blade group 121 and drainage port a flow into outer valve 3, then flow into immersed pump 400 by outer valve 3, to realize the pumping of liquid goods；When
When needing to stop pumping liquid goods, immersed pump 400 is hung into the bottom of pump sump 200, with the rising of immersed pump 400,124 He of base plate
Sealing is re-converted in the presence of elastic recoil mechanism 2 between outer valve 3 and coordinates (as shown in Figure 3), so as to avoid liquid goods
Pump sump 200 is entered by bottom valve 100.During whole pumping liquid goods, the turn-on and turn-off of bottom valve 100 are voluntarily complete
Into, it is not necessary to extraneous control, therefore pumping efficiency is improve, solve the problems, such as that pumping efficiency is low.
Also, as support 11, and guide base 12 and the latent liquid being located on support 11 are provided with guide base 12
400 arranged for interval of pump, so when immersed pump 400 is offseted with bottom valve, immersed pump 400 transfer produced by load act only on
Frame, without impacting to guide base 12, so as to serve the effect of protection guide base 12.
Further, since guide vane group 121 is provided with guide base 12, so as to improve the waterpower bar of bottom valve 100
Part, improves the hydraulic capacity of immersed pump 400 so that liquid goods preferably can be pumped.
Preferably, be provided with four elastic recoil mechanisms 2 between inner valve body 1 and outer valve 3, four elastic recoil mechanisms 2 with
The central shaft of supporting table 114 is the circumferentially equidistant arranged for interval of axle, so as to improve the structural stability of bottom valve 100.
Preferably, the inwall of outer valve 3 is provided with the supporting oblique surface 34 matched with the shell of immersed pump 400 (referring to figure
3), when immersed pump 400 is offseted with support 11, supporting oblique surface 34 is offseted (referring to Fig. 2) with immersed pump 400, so as to serve
While supporting the effect of immersed pump 400, the effect of sealing immersed pump 400 and outer valve 3 is also acted.
Preferably, when immersed pump 400 is used to pump Low Temperature Liquid goods, outer valve 3, inner valve body 1 and elastic recoil mechanism 2 are equal
Can be austenitic stainless steel material, it should be noted that outer valve 3, inner valve body 1 and elastic recoil mechanism 2 are not limited only to
Preferred material is stated, in other embodiments, or other materials, such as aluminium alloy etc., the present invention are without limitation.
Off state schematic diagrams of the Fig. 3 for bottom valve, with reference to Fig. 3, in the present embodiment, support 11 can include support ring
111st, support tube 112 and support base 113, the internal diameter of support ring 111 are matched with the flange in the bottom size of immersed pump 400 and (are joined
See Fig. 2), the two ends of support tube 112 are fixedly connected with support ring 111 and support base 113 respectively, support base 113 and water conservancy diversion
The top of base 12 can support immersed pump 400 such that it is able to pass through support 11, it is to avoid immersed pump 400 is straight with bolts
Effect and guide base 12 are connect, the effect of protection guide base 12 is served.
In the present embodiment, the outward flange of base plate 124 is outward extended with the first sealing station 122, the corresponding water conservancy diversion of outer valve 3
One end of base 12 extends internally the second sealing station 31, and the first sealing station 122 is parallel with the second sealing station 31 and offsets, and second
Sealing station 31 is provided with black box 4, and black box 4 is installed between the first sealing station 122 and the second sealing station 31, so as to reality
The radial seal between outer valve 3 and inner valve body 1 is showed, it is to avoid liquid goods leaks into bottom valve between outer valve 3 and inner valve body 1
In 100.
Profiles of the Fig. 4 for black box, specifically, black box 4 includes first seal 41 and installed part 42, second
Sealing station 31 is provided with mounting groove, and first seal 41 is fixedly mounted in mounting groove by installed part 42.
Preferably, first seal 41 can be double presser sensor sealing rings.
Specifically, first seal 41 includes the epipharynx 411 and outer lip of the spaced radial arrangement along the second sealing station 31
412, one end that epipharynx 411 and outer lip 412 are located in mounting groove is connected with each other and is formed for housing the groove of installed part, and interior
Lip 411 stretches out the length that the length of mounting groove stretches out mounting groove less than outer lip 412.In above-mentioned implementation, epipharynx 411 is located at
Between outer lip 412 and guide base 12, seal in 41 pairs of the first sealing station 122 of first seal and the second sealing station 31
When, as the length that epipharynx 411 stretches out mounting groove stretches out the length of mounting groove less than outer lip 412, so outer lip 412 is played mainly
Sealing function, in the case of 41 normal aging of first seal, outer lip 412 fails first, after outer lip 412 fails, epipharynx
411 may also operate as temporary sealing effect, it is to avoid cause the first sealing station 122 and the second sealing because first seal 41 is aging
Leaked between platform 31 in a large number.
In above-mentioned implementation, first seal 41 can be by the superhigh molecular weight polyethylene suitable for ultra-low temperature surroundings
The materials such as alkene, politef are made, so first seal 41 is harder than common rubber seal, it is not easy to deform, because
This, it is in order to ensure that epipharynx 411 and outer lip 412 can be offseted with the first sealing station 122, to play respective functional effect, interior
The difference of the length for stretching out mounting groove of lip 411 and outer lip 412 should be 0.2～0.5mm, preferably 0.35mm.
Preferably, first seal 41 is that integral type structure, i.e. epipharynx 411 and outer lip 412 mould work by being integrally formed
Skill is connected as an entirety, so as to ensure that the globality of first seal 41.
More specifically, the end face offseted with the first sealing station 122 of outer lip 412 is curved surface, epipharynx 411 it is close with first
The end face that envelope platform 122 offsets is plane.So that first seal 41 is during use, outer lip 412 is primarily served
The effect of sealing, and epipharynx 411 primarily serves the effect of support, it is preferable that thickness of the thickness of epipharynx 411 more than outer lip 412,
So as to ensure the support effect of epipharynx 411.
In the present embodiment, installed part 42 can include bolt 421 and pressing plate 422, and pressing plate 422 is arranged on 411 He of epipharynx
In groove between outer lip 412 and it is sleeved on bolt 421, first seal 41 is compressed by pressing plate 422 by bolt 421
In mounting groove, to increase the contact area of installed part 42 and first seal 41, the installation of first seal 41 is improve
Firmness.
Preferably, first seal 41 can be ultra-high molecular weight polyethylene material, it should be noted that first seal
41 are not limited only to above-mentioned preferred material, in other embodiments, first seal 41 can also be other materials, such as polytetrafluoro
Ethylene etc., the present invention are without limitation.
Fig. 3 is referred again to, specifically, elastic recoil mechanism 2 includes adjusting gland 21, spring element 22 and guide rod 23, adjusts
Gland 21 is arranged in supporting table 114, and is threadedly coupled between regulation gland 21 and supporting table 114, and one end of guide rod 23 can be slided
It is inserted in regulation gland 21 dynamicly, the other end of guide rod 23 is fixedly mounted in the second sealing station 31, and spring element 22 is arranged on
Adjust between gland 21 and the second sealing station 31.In above-mentioned implementation, adjust gland 21 and can adjust the hard of spring element 22
Degree, so that elastic recoil mechanism 2 can preferably support immersed pump 400, for example, when the weight of immersed pump 400 is larger,
Gland 21 can be adjusted by rotating so that adjust the motion that gland 21 does 31 direction of the second sealing station of direction, to increase elastic force
The hardness of part 22, from can preferably support immersed pump 400；When the weight of immersed pump 400 is less, pressure can be adjusted by rotating
Lid 21 so that adjust the motion that gland 21 does dorsad 31 direction of the second sealing station, to reduce the hardness of spring element 22 such that it is able to
Immersed pump 400 is supported preferably.
In the present embodiment, be provided with gusset 115 between support 11 and supporting table 114, gusset 115 respectively with support 11 and
Support platform 114 is fixedly connected, so as to improve the structural strength of support 11.
Preferably, fixing nut 24, fixing nut 24 are provided with one end being inserted in the second sealing station 31 of guide rod 23
End face offset with the second sealing station 31, for further fasten guide rod 23.
Preferably, spring element 22 can be spring.
In the present embodiment, one end being connected with pump sump 200 of outer valve 3 is provided with flange, and it is close that flange face is provided with second
Sealing 32, second seal 32 are installed between outer valve 3 and pump sump 200, so as to avoid liquid goods from outer valve 3 and pump sump 200
Between reveal.
In above-mentioned implementation, can be provided with the flange of outer valve for housing the mounting groove of second seal 32,
Second seal 32 is folded between outer valve 3 and pump sump 200 by mounting groove.
Preferably, second seal 32 can be sealing ring.
In the present embodiment, outer valve 3 is provided with arresting lever 33, when immersed pump 400 is offseted with support 11, arresting lever 33
Offset (referring to Fig. 2) with the scotch 500 on immersed pump 400, rotated with limiting 400 opposite brackets 11 of immersed pump.In above-mentioned reality
In existing mode, the axis arrangement of 33 vertical pump sump 200 of arresting lever, when immersed pump 400 is offseted with support 11, arresting lever 33 with only
Motion block 500 is offseted in the horizontal direction, the rotation that relative bottom valve 100 occurs during work so as to avoid immersed pump 400
Turn.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of bottom valve for immersed pump pump sump, it is characterised in that the bottom valve includes：Inner valve body, at least two elasticity are returned
Position mechanism and the outer valve for being sealingly disposed in the bottom of pump sump, are provided with the outer valve from one end of the outer valve and prolong
The cavity of the other end of the outer valve is extended, one end of the outer valve is connected with the pump sump, and the inner valve body is slidably
Be arranged in the cavity, the inner valve body is included for supporting the support and guide base of immersed pump, the support and institute
State guide base to be fixedly installed togather, the guide base includes top board, base plate and guide vane group, the top board and described
Linked together by the guide vane group between base plate, the top board is provided with for connecting the drainage of the immersed pump
Mouthful, be provided between the top board and the base plate into head piece, the drainage port and it is described enter head piece by the guide vane group
Connection, radial seal between the base plate and the outer valve coordinate, and the outer edge of the support is provided with supporting table, it is described at least
Liang Ge elastic recoils mechanism is arranged between the supporting table and the outer valve, and at least two elastic recoils mechanism is with institute
State the circumferentially equidistant arranged for interval of line centered on the central shaft of supporting table, the telescopic direction of at least two elastic recoils mechanism with
The glide direction of the inner valve body is identical, is not affected by the feelings to the active force towards the direction of the guide base in the support
Under condition, the base plate is coordinated with outer valve sealing in the presence of the elastic recoil mechanism.
2. bottom valve according to claim 1, it is characterised in that the outer valve is provided with arresting lever, when the immersed pump
When being carried on the support, the arresting lever is offseted with the scotch on the immersed pump, relative to limit the immersed pump
The holder pivots.
3. bottom valve according to claim 1, it is characterised in that the outward flange of the base plate is outward extended with the first sealing
Platform, one end of the correspondence guide base of the outer valve extend internally and have the second sealing station, first sealing station and institute
State the second sealing station parallel and offset, between first sealing station and second sealing station, be clamped with black box.
4. bottom valve according to claim 3, it is characterised in that the black box includes first seal and installed part,
Second sealing station is provided with mounting groove, and the first seal is fixedly mounted on the mounting groove by the installed part
It is interior.
5. bottom valve according to claim 4, it is characterised in that the first seal is included along second sealing station
The epipharynx and outer lip of spaced radial arrangement, one end that the epipharynx and the outer lip are located in the mounting groove is connected with each other and shape
Into for housing the groove of the installed part, and the epipharynx is stretched out described in the length of the mounting groove stretched out less than the outer lip
The length of mounting groove.
6. bottom valve according to claim 5, it is characterised in that one end offseted with first sealing station of the outer lip
Face is curved surface, and the epipharynx is plane with the end face that first sealing station offsets.
7. bottom valve according to claim 3, it is characterised in that the elastic recoil mechanism includes adjusting gland, spring element
And guide rod, the regulation gland is arranged in the supporting table, and is threadedly coupled between the regulation gland and the supporting table,
One end of the guide rod is slidably inserted in the regulation gland, and the other end of the guide rod is fixedly mounted on described second
In sealing station, the spring element is arranged between the regulation gland and second sealing station.
8. the bottom valve according to any one of claim 1-7, it is characterised in that be provided between the support and the supporting table
Gusset, the gusset are fixedly connected with the support and the supporting table respectively.
9. the bottom valve according to any one of claim 1-7, it is characterised in that the outer valve is provided with second seal,
The second seal is installed between the outer valve and the pump sump.
10. the bottom valve according to any one of claim 1-7, it is characterised in that the inwall of the outer valve is provided with and institute
State the supporting oblique surface that the shell of immersed pump matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611197151.6A CN106594301B (en) | 2016-12-22 | 2016-12-22 | A kind of bottom valve for immersed pump pump sump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611197151.6A CN106594301B (en) | 2016-12-22 | 2016-12-22 | A kind of bottom valve for immersed pump pump sump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106594301A true CN106594301A (en) | 2017-04-26 |
| CN106594301B CN106594301B (en) | 2019-11-05 |
Family
ID=58602543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611197151.6A Active CN106594301B (en) | 2016-12-22 | 2016-12-22 | A kind of bottom valve for immersed pump pump sump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106594301B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486335A (en) * | 2019-01-25 | 2020-08-04 | 国家能源投资集团有限责任公司 | Isolation valve for a pressurized tank |
| CN113446266A (en) * | 2021-06-18 | 2021-09-28 | 大连深蓝泵业有限公司 | Vibration damper for in-tank immersed pump |
| CN115111202A (en) * | 2022-08-29 | 2022-09-27 | 四川凯德源科技有限公司 | Filling clamping device based on LNG immersed pump sled |
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| CN205779768U (en) * | 2016-05-17 | 2016-12-07 | 浙江老百姓泵业有限公司 | A kind of cast iron three-phase sewage/waste electrical submersible pump |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486335A (en) * | 2019-01-25 | 2020-08-04 | 国家能源投资集团有限责任公司 | Isolation valve for a pressurized tank |
| CN111486335B (en) * | 2019-01-25 | 2021-11-16 | 国家能源投资集团有限责任公司 | Isolation valve for a pressurized tank |
| CN113446266A (en) * | 2021-06-18 | 2021-09-28 | 大连深蓝泵业有限公司 | Vibration damper for in-tank immersed pump |
| CN115111202A (en) * | 2022-08-29 | 2022-09-27 | 四川凯德源科技有限公司 | Filling clamping device based on LNG immersed pump sled |
| CN115111202B (en) * | 2022-08-29 | 2022-11-22 | 四川凯德源科技有限公司 | Filling clamping device based on LNG immersed pump sled |
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| CN106594301B (en) | 2019-11-05 |
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