CN105952683A - Pump head structure of horizontal water pump - Google Patents
Pump head structure of horizontal water pump Download PDFInfo
- Publication number
- CN105952683A CN105952683A CN201610377943.5A CN201610377943A CN105952683A CN 105952683 A CN105952683 A CN 105952683A CN 201610377943 A CN201610377943 A CN 201610377943A CN 105952683 A CN105952683 A CN 105952683A
- Authority
- CN
- China
- Prior art keywords
- pump
- water
- water inlet
- straight tube
- head structure
- 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.)
- Pending
Links
Classifications
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- 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
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
Abstract
The invention belongs to the technical field of fluid transportation machining and relates to a pump head structure of a horizontal water pump. The structure comprises a pump housing and a blade positioned in the pump housing, wherein two ends of the pump housing are connected to a water inlet body and a water outlet body, respectively; the water inlet body comprises an integrally formed body of the water inlet body; a water inlet is formed in the body of the water inlet body; the end, far from the water inlet, of the body of the water inlet body, is bended outward to form an outer covered edge spigot which forms a step with the body of the water inlet body; and the outer covered edge spigot is arranged on the pump housing, and is connected to the end part of the pump housing. According to the invention, the spigot of a concave platform is matched with a supporting convex platform, and the strength of two ends of the whole water outlet body is improved, so that the strength of the whole pump head is improved.
Description
Technical field
The invention belongs to fluid conveying machine processing technique field, relate to the pump head structure of a kind of horizontal pump.
Background technology
Multistage pump is exactly water inlet-outlet segment and stage casing, is combined by pull bar.His output water pressure can be very big, is
The one of centrifugal pump, be also dependent on impeller is rotated in acquisition centrifugal force, thus material.Treat that gas density reaches oil-sealed rotary pump
Working range and be drawn out of, thus gradually obtain fine vacuum.Multistage pump is that the change by pump chamber is to realize air-breathing, compression
With aerofluxus, therefore it is can be with the centrifugal pump of capacity.The structural strength of pump head is high, then the service life of water pump is long, and this is
The Main way of research at present.
Chinese patent literature discloses a kind of multistage pump [notification number: CN103261697A], and it is by the impeller liter of final level
Fluid after pressure guides outlet through the diffusion portion of final level, is formed fluid from the diffusion portion of final level in pump case
Importing to the discharge duct of outlet, discharge duct is formed along the direction circled round around the axle center of rotary shaft, about comprising rotation
The flow path cross sectional area of the discharge duct in the plane in the axle center of rotating shaft, more to this compared with the upstream side towards the flowing of outlet
Towards the downstream of the flowing of outlet, this flow path cross sectional area more increases to the axis direction of rotary shaft and the direction of radial inward
Greatly.
The multistage pump of such scheme can make pump case miniaturization and be prevented from efficiency of pump decline, but to how to improve
Pump head the not relevant disclosure of structural strength.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that the pump head structure of a kind of horizontal pump.
For reaching above-mentioned purpose, present invention employs following technical proposal: the pump head structure of a kind of horizontal pump, including pump
Shell and be positioned at the blade of pump case, described pump case two ends connect water inlet body and water-outlet body respectively, and described water inlet body includes one
Body formed water inlet body body, described water inlet body body is provided with water inlet, water inlet body body away from water inlet one end to
After outer bending formed one with intake body body be step-like outer bound edge seam, this outer bound edge seam be pressed on pump case and with
The end of pump case is formed and connects.
In the pump head structure of above-mentioned horizontal pump, described outer bound edge seam include interconnective outsourcing side ring and
Outer bound edge cylinder, the angle between described outsourcing side ring and water inlet body body is 90 °, described outsourcing side ring and outer bound edge cylinder it
Between angle be 90 °, described outsourcing side ring is pressed on pump case, and outer bound edge cylinder is looped around outside pump case.
In the pump head structure of above-mentioned horizontal pump, described water inlet body body is provided with at least one relief hole,
It is fixedly connected with a nut in water inlet body inner body wall and the position corresponding with relief hole, in described relief hole, is provided with one
Individual sealing ring, screw plug is spirally connected with nut after sealing ring.
In the pump head structure of above-mentioned horizontal pump, water inlet body body is outwardly away from one end of outer bound edge seam,
Described outer bound edge seam and water inlet body body one cold moudling.
In the pump head structure of above-mentioned horizontal pump, described water-outlet body includes water-outlet body straight tube, described water-outlet body
Straight tube is provided with outlet, and described water-outlet body straight tube is provided with a concave station seam near one end of water inlet body, and pump case is pressed on
On concave station seam.
In the pump head structure of above-mentioned horizontal pump, inside water-outlet body straight tube, it is provided with a seal receptacle, water-outlet body straight tube
Top, one end away from water inlet body is pressed on seal receptacle.
In the pump head structure of above-mentioned horizontal pump, seal receptacle includes having sealed end and and the water-outlet body sealing oral area
What straight tube connected is tightly connected end, the described outwardly formation in one end one being tightly connected the close sealed end of end and water-outlet body
The support rim of straight tube inwall snug fit.
In the pump head structure of above-mentioned horizontal pump, described being tightly connected holds the one end away from sealed end outwards to turn down
Forming crimp rings, described water-outlet body straight tube end is pressed in crimp rings.
In the pump head structure of above-mentioned horizontal pump, formed between crimp rings, support rim and water-outlet body straight tube and seal
Circle containing cavity, is provided with sealing member in sealing ring containing cavity.
In the pump head structure of above-mentioned horizontal pump, the external diameter of concave station seam is less than the external diameter of water-outlet body straight tube, described
Water-outlet body straight tube and concave station seam one cold moudling.
Compared with prior art, it is an advantage of the current invention that: the cooperation of concave station seam and support rim makes whole water-outlet body
The intensity at two ends be all improved, thus improve the intensity of whole pump head；Installation side between pump case, water-outlet body and water inlet body
Just.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is seal receptacle and the schematic diagram of water-outlet body combination.
In figure: pump case 1, blade 2, water inlet body 3, water-outlet body 4, water inlet body body 5, water inlet 6, outer bound edge seam 7, outsourcing
Side ring 8, outer bound edge cylinder 9, relief hole 10, nut 11, sealing ring 12, screw plug 13, water-outlet body straight tube 14, outlet 15, concave station are only
Mouthfuls 16, seal receptacle 17, seal oral area 18, sealed end 19, be tightly connected end 20, support rim 21, crimp rings 22, sealing ring house
Chamber 23.
Detailed description of the invention
The present invention will be further described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
As it is shown in figure 1, the pump head structure of a kind of horizontal pump, including pump case 1 and the blade 2 that is positioned at pump case 1, described
Pump case 1 two ends connect water inlet body 3 and water-outlet body 4 respectively, and described water inlet body 3 includes integrated water inlet body body 5, described
Water inlet body body 5 be provided with water inlet 6, water inlet body body 5 formed after outwards bending away from one end of water inlet 6 one with enter
Water body body 5 is in step-like outer bound edge seam 7, and this outer bound edge seam 7 is pressed on pump case 1 and is formed with the end of pump case 1
Connect.
Outer bound edge seam 7 is pressed on pump case 1, plays a protective role the end of pump case 1, it is also possible to by sealing ring with
Pump case 1 realizes sealing, and outer bound edge seam 7 had both added the intensity into water body tie rod hole periphery, pump case 1 plays again protection and makees
With.
Outer bound edge seam 7 includes interconnective outsourcing side ring 8 and outer bound edge cylinder 9, described outsourcing side ring 8 and water inlet body
Angle between body 5 is 90 °, and the angle between described outsourcing side ring 8 and outer bound edge cylinder 9 is 90 °, described outsourcing side ring
8 are pressed on pump case 1, and it is outside that outer bound edge cylinder 9 is looped around pump case 1.Outsourcing side ring 8 adds and the contact area of pump case 1, outsourcing
It is outside that limit cylinder 9 is centered around pump case 1, and there is space between pump case 1 outer wall, plays a protective role the end of pump case 1, body of intaking
Body 5 is provided with at least one relief hole 10, the company of fixing on water inlet body body 5 inwall and the position corresponding with relief hole 10
Be connected to a nut 11, in described relief hole 10, be provided with a sealing ring 12, screw plug 13 through after sealing ring 12 with nut 11
It is spirally connected.
Water inlet body body 5 is outwardly in round platform taper away from one end of outer bound edge seam 7, improves water inlet body body 5 end
The intensity in portion, described outer bound edge seam 7 and water inlet body body 5 one cold moudling.
Shown in Fig. 2, water-outlet body 4 includes that water-outlet body straight tube 14, described water-outlet body straight tube 14 are provided with outlet 15,
Described water-outlet body straight tube 14 is provided with a concave station seam 16 near one end of water inlet body 3, and pump case 1 is pressed on concave station seam 16
On.The external diameter of concave station seam 16, less than the external diameter of water-outlet body straight tube 14, improves the intensity of the end of water-outlet body straight tube 14, and recessed
Platform seam 16 is easy to be attached with pump case 1, and easy to connect, described water-outlet body straight tube 14 and concave station seam 16 are integrally cold-pressed into
Type.
Water-outlet body straight tube 14 is internal is provided with a seal receptacle 17, and water-outlet body straight tube 14 is pressed in away from the top, one end of water inlet body 3
On seal receptacle 17.Seal receptacle 17 include having seal oral area 18 sealed end 19 and with being tightly connected that water-outlet body straight tube 14 is connected
End 20, described to be tightly connected end 20 tight with water-outlet body straight tube 14 inwall near the outwardly formation in one end of sealed end 19 one
The support rim 21 that patch coordinates.Be tightly connected end 20 away from sealed end 19 one end outwards turn down formation crimp rings 22, described
Water-outlet body straight tube 14 end is pressed in crimp rings 22.Formed close between crimp rings 22, support rim 21 and water-outlet body straight tube 14
Seal containing cavity 23, is provided with sealing member in sealing ring containing cavity 23.
The operation principle of the present invention is: outsourcing side ring 8 adds and the contact area of pump case 1, and outer bound edge cylinder 9 is centered around pump
Shell 1 is outside, and there is space between pump case 1 outer wall, plays a protective role the end of pump case 1, and concave station seam 16 and support are convex
Structural strengthening effect is all played in the two ends of water-outlet body straight tube 14 by platform 21, and water-outlet body 4 can be made to tolerate higher hydraulic pressure, so that
Pump working is stable, and service life is long.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Although the most more employ motor 1, rotating shaft 2, blade 3, kuppe 4, pump case 5, water inlet body 6, water-outlet body 7,
Water-outlet body straight tube 8, outlet 9, concave station seam 10, seal receptacle 11, seal oral area 12, sealed end 13, be tightly connected end 14, support
Boss 15, crimp rings 16, sealing ring containing cavity 17, water inlet body body 18, water inlet 19, outer bound edge seam 20, outsourcing side ring 21,
The terms such as outer bound edge cylinder 22, relief hole 23, nut 24, sealing ring 25, screw plug 26, but it is not precluded from using the possibility of other term
Property.Use these terms to be only used to more easily to describe and explain the essence of the present invention；It is construed as any one
Additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. a pump head structure for horizontal pump, including pump case (1) and the blade (2) that is positioned at pump case (1), it is characterised in that
Described pump case (1) two ends connect water inlet body (3) and water-outlet body (4) respectively, described water inlet body (3) include integrated enter
Water body body (5), described water inlet body body (5) is provided with water inlet (6), and water inlet body body (5) is away from the one of water inlet (6)
Forming one after end outwards bending with water inlet body body (5) in step-like outer bound edge seam (7), this outer bound edge seam (7) is pressed
It is located at upper and with pump case (1) the end formation of pump case (1) to be connected.
The pump head structure of horizontal pump the most according to claim 1, it is characterised in that described outer bound edge seam (7) bag
Include interconnective outsourcing side ring (8) and outer bound edge cylinder (9), the folder between described outsourcing side ring (8) and water inlet body body (5)
Angle is 90 °, and the angle between described outsourcing side ring (8) and outer bound edge cylinder (9) is 90 °, and described outsourcing side ring (8) is pressed on
On pump case (1), it is outside that outer bound edge cylinder (9) is looped around pump case (1).
The pump head structure of horizontal pump the most according to claim 2, it is characterised in that in described water inlet body body (5)
It is provided with at least one relief hole (10), the company of fixing on water inlet body body (5) inwall and the position corresponding with relief hole (10)
Being connected to a nut (11), be provided with a sealing ring (12) in described relief hole (10), screw plug (13) passes sealing ring (12)
It is spirally connected with nut (11) afterwards.
The pump head structure of horizontal pump the most according to claim 1, it is characterised in that water inlet body body (5) is away from outsourcing
One end of limit seam (7) is outwardly, described outer bound edge seam (7) and water inlet body body (5) integrally cold moudling.
The pump head structure of horizontal pump the most according to claim 1, it is characterised in that described water-outlet body (4) includes
Water body straight tube (14), described water-outlet body straight tube (14) is provided with outlet (15), and described water-outlet body straight tube (14) is near entering
One end of water body (3) is provided with a concave station seam (16), and pump case (1) is pressed on concave station seam (16).
The pump head structure of horizontal pump the most according to claim 5, it is characterised in that water-outlet body straight tube (14) is internal to be provided with
One seal receptacle (17), water-outlet body straight tube (14) is pressed on seal receptacle (17) away from the top, one end of water inlet body (3).
The pump head structure of horizontal pump the most according to claim 6, it is characterised in that seal receptacle (17) includes having sealing
The sealed end (19) of oral area (18) and be connected with water-outlet body straight tube (14) be tightly connected end (20), described is tightly connected end
(20) the outwardly formation in one end one near sealed end (19) is convex with the support of water-outlet body straight tube (14) inwall snug fit
Platform (21).
The pump head structure of horizontal pump the most according to claim 7, it is characterised in that described is tightly connected end (20) far
Outwards turn down formation crimp rings (22) from one end of sealed end (19), described water-outlet body straight tube (14) end is pressed on crimp rings
(22) on.
The pump head structure of horizontal pump the most according to claim 8, it is characterised in that crimp rings (22), support rim
(21) form sealing ring containing cavity (23) and between water-outlet body straight tube (14), in sealing ring containing cavity (23), be provided with sealing member.
The pump head structure of horizontal pump the most according to claim 5, it is characterised in that the external diameter of concave station seam (16) is little
In the external diameter of water-outlet body straight tube (14), described water-outlet body straight tube (14) and concave station seam (16) integrally cold moudling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377943.5A CN105952683A (en) | 2016-05-31 | 2016-05-31 | Pump head structure of horizontal water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377943.5A CN105952683A (en) | 2016-05-31 | 2016-05-31 | Pump head structure of horizontal water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105952683A true CN105952683A (en) | 2016-09-21 |
Family
ID=56908372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610377943.5A Pending CN105952683A (en) | 2016-05-31 | 2016-05-31 | Pump head structure of horizontal water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105952683A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5310310A (en) * | 1991-01-11 | 1994-05-10 | Ebara Corporation | Pump casing made of sheet metal |
| EP1178214A1 (en) * | 2000-07-08 | 2002-02-06 | Philipp Hilge GmbH | Centrifugal Pump |
| CN1396384A (en) * | 2001-07-12 | 2003-02-12 | 合肥工业大学 | Centrifugal pump with trapezoidal or rectangular channel and method for manufacturing it by punch and weld |
| CN2672337Y (en) * | 2003-08-28 | 2005-01-19 | 广东凌霄泵业股份有限公司 | Novel seal structure multi stage centrifugal pump |
| CN2809296Y (en) * | 2005-08-03 | 2006-08-23 | 阳江市新力工业有限公司 | Improved single-stage centrifugal pump |
| CN1908442A (en) * | 2005-08-03 | 2007-02-07 | 阳江市新力工业有限公司 | Improved single-stage centrifugal pump |
| CN203161652U (en) * | 2013-04-07 | 2013-08-28 | 温州市东启汽车零部件制造有限公司 | Novel connection structure for rear cover of water pump |
| CN204783844U (en) * | 2015-07-13 | 2015-11-18 | 江西省万载水泵有限责任公司 | Horizontal multistage centrifugal pump |
| CN205823733U (en) * | 2016-05-31 | 2016-12-21 | 浙江南元泵业有限公司 | The pump head structure of horizontal pump |
-
2016
- 2016-05-31 CN CN201610377943.5A patent/CN105952683A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5310310A (en) * | 1991-01-11 | 1994-05-10 | Ebara Corporation | Pump casing made of sheet metal |
| EP1178214A1 (en) * | 2000-07-08 | 2002-02-06 | Philipp Hilge GmbH | Centrifugal Pump |
| CN1396384A (en) * | 2001-07-12 | 2003-02-12 | 合肥工业大学 | Centrifugal pump with trapezoidal or rectangular channel and method for manufacturing it by punch and weld |
| CN2672337Y (en) * | 2003-08-28 | 2005-01-19 | 广东凌霄泵业股份有限公司 | Novel seal structure multi stage centrifugal pump |
| CN2809296Y (en) * | 2005-08-03 | 2006-08-23 | 阳江市新力工业有限公司 | Improved single-stage centrifugal pump |
| CN1908442A (en) * | 2005-08-03 | 2007-02-07 | 阳江市新力工业有限公司 | Improved single-stage centrifugal pump |
| CN203161652U (en) * | 2013-04-07 | 2013-08-28 | 温州市东启汽车零部件制造有限公司 | Novel connection structure for rear cover of water pump |
| CN204783844U (en) * | 2015-07-13 | 2015-11-18 | 江西省万载水泵有限责任公司 | Horizontal multistage centrifugal pump |
| CN205823733U (en) * | 2016-05-31 | 2016-12-21 | 浙江南元泵业有限公司 | The pump head structure of horizontal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jin Jiming Inventor after: Yao Songbao Inventor before: Wu Weizhong Inventor before: Jin Jiming Inventor before: Yao Songbao Inventor before: Pan Zhouhua Inventor before: Shen Bin Inventor before: Chen Yusheng Inventor before: Sun Ji Inventor before: Liu Shuijun |
|
| COR | Change of bibliographic data | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
|
| RJ01 | Rejection of invention patent application after publication |