CN206503689U - jet pump - Google Patents
jet pump Download PDFInfo
- Publication number
- CN206503689U CN206503689U CN201720079304.0U CN201720079304U CN206503689U CN 206503689 U CN206503689 U CN 206503689U CN 201720079304 U CN201720079304 U CN 201720079304U CN 206503689 U CN206503689 U CN 206503689U
- Authority
- CN
- China
- Prior art keywords
- impeller
- pump housing
- seal receptacle
- boss
- section header
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229920001971 elastomer Polymers 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 27
- 230000000694 effects Effects 0.000 description 8
- 239000012530 fluid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of jet pump, the pump housing and support including interconnection, water inlet and delivery port are provided with the pump housing, water inlet is provided with into water section header, water outlet is provided with water outlet section header, injector is additionally provided with the pump housing, impeller, current are successively through section header of intaking, injector, discharged after impeller by water outlet section header, rotating shaft is provided with support, the seal receptacle being set in rotating shaft is connected with the pump housing, the edge of seal receptacle is provided with protrusion side, first boss is provided with the side wall of seal receptacle, the edge that the pump housing is contradicted with seal receptacle is provided with second boss, the first O-ring seal is arranged with seal receptacle, first boss and second boss cooperate the first O-ring seal clamping.Excellent sealing effectiveness can be realized by above-mentioned setting, the generation of drainage is prevented to a certain extent, the setting of the structure enables to the service life of the first O-ring seal to increase significantly, to a certain extent the service life of the high jet pump of body.
Description
Technical field
The utility model is related to water pump field, more particularly to a kind of jet pump.
Background technology
Jet pump is a kind of fluid driven pump.Fluid driven pump does not have machine driving and machine work component, and it is by another
A kind of energy of working fluid does power source to convey low energy quantity of fluid, has good peace for aspirating during inflammable and explosive material
Quan Xing.
First filling motor impeller after water, startup before ejector priming in housing, rotation produces high pressure at a high speed, makes leaf
The current direction volute in conduit is taken turns, at this moment entrance formation vacuum, air, liquid in pump and pipeline pass through water inlet and tubaeform
Jet pipe intake impeller in, then the delivery port of the pump housing is returned to by the guiding gutter in kuppe, in order to be conducive to the suitable of guiding gutter
Channel Group is moved, and is formed with runner mouthful to guiding gutter at the opening of guiding gutter, and air-liquid flows to the water outlet of pump by the runner mouth of kuppe
Mouth is ejected.
Jet pump includes the pump housing and support, and seal receptacle is provided between body and support, is often led on seal receptacle
Cross setting sealing ring to realize that sealing is close, sealing ring is usually arranged as 0 type sealing ring, and its material is generally nitrile rubber material,
Abrasion can be caused after a protracted use so that the performance of 0 type sealing ring is affected, be likely to result in sealing not tight
It is close drainage occur, have influence on the effect used.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of jet pump, jet pump tool
There is excellent sealing, the phenomenon of leak can be avoided to occur to a certain extent.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of jet pump, including
Water inlet and delivery port are provided with the pump housing and the support being connected with the pump housing, the pump housing, the water inlet is provided with into water
Section header, the water outlet, which is provided with water outlet section header, the pump housing, is additionally provided with injector, impeller, and current are successively through water inlet
Discharged after section header, injector, impeller by water outlet section header, be provided with to be connected with rotating shaft, the pump housing in the support and be arranged
Seal receptacle in rotating shaft, the edge of the seal receptacle is provided with the protrusion side contradicted with pump housing edge, the seal receptacle
First boss is provided with the wall of side, the edge that the pump housing is contradicted with seal receptacle, which is provided with second boss, the seal receptacle, to be covered
Provided with the first O-ring seal, the first boss and second boss cooperate the first O-ring seal clamping.
By above-mentioned technical proposal, first boss is provided with the side wall of seal receptacle, second is provided with the pump housing convex
Platform, is arranged with the first O-ring seal on seal receptacle, and the first O-ring seal can play the junction to the pump housing and seal receptacle
Sealing function, and the first O-ring seal can be clamped on first boss and second by the setting of first boss and second boss
Between boss, the first boss and second boss of setting can realize the good sealing between seal receptacle and the pump housing, necessarily
Success prevents the generation of drainage on end.
The utility model is further arranged to：The upper edge of the seal receptacle is provided with the first locating slot, the pump housing with
Protrusion side contact position is provided with the second locating slot coordinated with the first locating slot.
By above-mentioned technical proposal, the first locating slot cooperates with the second locating slot can realize that the positioning of seal receptacle is steady
It is fixed, with good installation stability.
The utility model is further arranged to：Rubber bushing is provided with first locating slot and the second locating slot.
By above-mentioned technical proposal, on the one hand the rubber bushing in the first locating slot and the second locating slot can play sealing
Action effect, effectively avoided to a certain extent current by after the first O-shaped sealing by spilling at fixture block, sealing effect
It is really excellent.
The utility model is further arranged to：The injector includes integrally formed coaxial playpipe and tubaeform
The nozzle of shape, the horn mouth of the nozzle is set away from impeller, and gap, the injection are left between the side wall and playpipe of nozzle
The one end of pipe away from impeller is abutted with water inlet section header, and it is the spacing of L-type that the injector is provided with section close to the side of impeller
Block, stator and the limited block of the impeller are contradicted.
By above-mentioned technical proposal, playpipe can be entered by the outward flange of nozzle when current are by water inlet joint mouthful
Interior, then the water in playpipe will be ejected at impeller, and a part of water thrown away through impeller can be discharged by water outlet mouthpiece, also
The water of some can flow back, and can be increased so as to from water inlet section header by pressure during the structure of the trumpet type of nozzle
Water sprays to impeller together, continues cycling through process, and by stator and section is the spacing of L-type when injector is connected with impeller
Block contradicts the mutual cooperation for realizing stator and playpipe, and on the one hand limited block can play spacing work so in wheel rotation
With sparge pipe is connected by the setting of another aspect limited block with stator so that current can directly reach leaf after sparge pipe
At wheel so that draining is timely.
The utility model is further arranged to：The limited block is provided with limited impression with stator contact position.
By above-mentioned technical proposal, limited block is provided with limited impression with stator contact position, and the setting of limited impression can
Certain position-limiting action is played, when rotating shaft impeller rotates, the setting of groove can avoid hair to a certain extent
Impeller deflects.
The utility model is further arranged to：The playpipe is set to horn-like close to one end of impeller.
By above-mentioned technical proposal, structure setting of the playpipe at impeller enables to current in process to be horn-like
Playpipe can scatter when spraying to surrounding, reduce the pressure for the water that playpipe sprays so that more current can pass through
Discharged after impeller by water outlet section header.
The utility model is further arranged to：The injector is provided with annular groove, the water inlet with water inlet section header contact position
The outer wall that section header is contacted with annular groove is provided with two grooves of parallel distribution, the groove and is provided with the second O-ring seal.
By above-mentioned technical proposal, dual the set in the annular groove and annular groove set between water inlet section header and injector
Two O-ring seals can realize that the sealing of water inlet is close so that install firm, and sealing is close it is also possible that the pump housing
Interior pressure stability, but also the generation of drainage can be avoided to a certain extent.
The utility model is further arranged to：It is close that machinery is provided with the rotating shaft through between seal receptacle and impeller
Envelope.
By above-mentioned technical proposal, the setting of mechanical seal can separate impeller with seal receptacle, so as to reduce to leaf
The abrasion of wheel, extends the service life of impeller.
In summary, the utility model having the beneficial effect that in contrast to prior art：
1st, the first boss and second boss set can be by the first O-ring seal clamping, so that the sealing of sight well
Effect, prevents the generation of drainage to a certain extent；
2nd, the mounting stability of impeller is high, and the degree of wear is small, and service life height is long.
Brief description of the drawings
Fig. 1 is the overall structure figure of embodiment；
Fig. 2 is Fig. 1 A portions enlarged drawing, it is intended to represent the mounting structure of seal receptacle and the pump housing；
Fig. 3 is Fig. 1 B portions enlarged drawing, it is intended to represent the mounting structure of impeller and playpipe；
Fig. 4 is Fig. 1 C portions enlarged drawing, it is intended to represent the mounting structure of injector and Jinsui River street corner.
Reference：1st, the pump housing；2nd, support；3rd, water inlet；4th, delivery port；5th, water inlet section header；6th, water outlet section header；7th, spray
Device；71st, nozzle；72nd, playpipe；8th, impeller；9th, rotating shaft；10th, seal receptacle；11st, side is protruded；12nd, first boss；13rd, second is convex
Platform；14th, the first O-ring seal；15th, the first locating slot；16th, the second locating slot；17th, rubber bushing；18th, limited block；19th, it is spacing
Groove；20th, groove；21st, the second O-ring seal；22nd, mechanical seal；23rd, annular groove.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of jet pump, as shown in figure 1, including the pump housing 1 and support 2, is provided with water inlet 3 and water outlet on the pump housing 1
It is connected with mouth 4, water inlet 3 and is threaded with water outlet section header 6 at water section header 5, delivery port 4, and is additionally provided with the pump housing 1
Injector 7, impeller 8, current are sequentially passed through into water section header 5, injector 7, impeller 8, water outlet section header 6 jet pump when in use, and
Rotating shaft 9 is additionally provided with support 2, provided with the seal receptacle 10 being set in rotating shaft 9 between the pump housing 1 and support 2, seal receptacle 10 is real
Existing separation between the pump housing 1 and support 2, realizes good sealing function effect.
As shown in figure 1, injector 7 includes integrally formed coaxial playpipe 72 and tubaeform nozzle 71, nozzle
71 horn mouth is set away from impeller 8, gap is left between nozzle 71 and playpipe 72, current are first when in use for such jet pump
First pass through into water section header 5, the outer wall then through flow nozzle 71 flow to playpipe 72, impeller 8, impeller are injected to via playpipe 72
8 rotate under the drive of rotating shaft 9, water are thrown away from the side wall of impeller 8, the water that side wall is thrown away runs past water outlet section header 6 and discharged,
And the water that some is not discharged in time can be reached at nozzle 71, via heel row of being pressurizeed at nozzle 71 to playpipe 72, continue
Impeller 8, so circulation are reached, the bell-mouthed shape for going out setting in nozzle 71 can be flowed through in water out-of-date is supplied to current pressure
Power so that can have enough big pressure by the current of nozzle 71, so just can be by playpipe 72, if pressure is smaller
Then current may pass through the reverse flow of nozzle 71.
As shown in figs. 1 and 4, it is connected in the one end of playpipe 72 away from impeller 8 with water inlet section header 5, in the outer of water inlet section header 5
It is provided with wall in two grooves 20, groove 20 and is provided with the second O-ring seal 21, is provided with the inwall of injector 7
Annular groove 23, the second O-ring seal 21 can contradict with annular groove 23 and be set to dual, so can be realized as into water section header 5
With the sealing compactness of playpipe 72.
As shown in figs. 1 and 3, the limited block 18 that section is L-type, impeller 8 are provided with close to the side of impeller 8 in injector 7
Stator contradicted with limited block 18, and close to the side of impeller 8 playpipe 72 be set to it is horn-like, so current through entering
The horn-like end pressure that water section header 5 or nozzle 71 are reached after playpipe 72 in playpipe 72 will reduce, such playpipe
72 current sprayed just can be rapidly by impeller 8, and it is L-type close to the section that the side of impeller 8 is set in injector 7
Limited block 18, the stator of impeller 8 can be connected at limited block 18, and sets limited in limited block 18 and stator contact position
Position groove 19, limited block 18 and the limited impression 19 being arranged on limited block 18 can be achieved with impeller 8 can be along in rotation
Limited block 18 is rotated, and certain spacing effect is played in the setting of limited block 18 to impeller 8.
As shown in figure 1, being provided with mechanical seal 22, mechanical seal 22 in rotating shaft 9 between seal receptacle 10 and impeller 8
Setting can protect impeller 8 to a certain extent, prevent it is directly contacted with seal receptacle 10 from causing degree of wear considerable influence
Using effect.
As illustrated in fig. 1 and 2, it is provided with protrusion side 11, the side wall of seal receptacle 10 and is provided with the edge of seal receptacle 10
First boss 12, the edge that the pump housing 1 and seal receptacle 10 are contradicted is provided with second boss 13, seal receptacle 10 that to be arranged with first O-shaped
Sealing ring 14, first boss 12 and second boss 13 cooperate the clamping of the first O-ring seal 14, are arranged such a reverse side energy
Enough wear phenomenons reduced to the first O-ring seal 14, are on the other hand that first boss 12 and second boss 13 far more than also can
Enough play the effect that one barrier current pass through, current can directly contact second boss 13, such current first can with it is second convex
Platform 13 is contacted, and is then touching the first O-ring seal 14, and second boss 13 has been able to prevent current to a certain extent
Pass through at the gap contacted by the first O-ring seal 14 with the pump housing 1, realize sealing effectiveness, even and if there are current to pass through the first O
When at the gap that type sealing ring 14 is connected with seal receptacle 10, the first projection being arranged on seal receptacle 10 also can be O-shaped to first
Sealing ring 14 produces certain squeezing action so that current are more difficult, and by passing through at gap, sealing effectiveness is excellent, and the first O
The area that type sealing ring 14 is contacted with water is smaller, then can be respectively provided with longer service life.
As illustrated in fig. 1 and 2, the first locating slot 15, the pump housing 1 and protrusion side 11 are provided with the protrusion side 11 of seal receptacle 10
Contact position is provided with the second locating slot 16 coordinated with the first locating slot 15, the first locating slot 15 and the second locating slot 16 and is all provided with
Rubber bushing 17 is equipped with, the first locating slot 15 and the second locating slot 16 coordinate the installation that can realize seal receptacle 10 stable, and
Rubber bushing 17 in fixed first locating slot 15 and the second locating slot 16 can play certain sealing function, enable to sealing
What seat 10 was installed more consolidates.
First motor impeller 8 after water, startup is filled in the pump housing 1 when the jet pump when in use, before starting to revolve at a high speed
Change the line of production raw high pressure, make the current direction volute in the conduit of impeller 8, at this moment entrance formation vacuum, the current in the pump housing 1 and pipeline pass through
Again through in the tubaeform intake impeller 8 of playpipe 72, the current in impeller 8 throw away rear portion by water outlet section after water inlet 3
Playpipe 72 is continued on by pressurization at first 6 discharge, the nozzle 71 that part arrival is tubaeform and reach impeller 8, so realize
It is reasonable to be set in the process of one circulation, total, and work together pressure stability, pressure stability when using, and operating efficiency is high,
And sealing effectiveness is excellent, it is more difficult to the phenomenon of the leak of the pump housing 1 occur.
Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model
Enclose, protection domain of the present utility model is determined by appended claim.
Claims (8)
1. a kind of jet pump, including the pump housing (1) and the support (2) that is connected with the pump housing (1), it is provided with the pump housing (1) into water
Mouth (3) and delivery port (4), water inlet (3) place are provided with into water section header (5), and delivery port (4) place is provided with water outlet section
Head (6), is additionally provided with injector (7), impeller (8) in the pump housing (1), current successively through section header (5) of intaking, injector (7),
Discharged after impeller (8) by water outlet section header (6), be provided with the support (2) on rotating shaft (9), the pump housing (1) and be connected with set
The seal receptacle (10) in rotating shaft (9) is located at, it is characterized in that：The edge of the seal receptacle (10) is provided with and the pump housing (1) edge
First boss (12), the pump housing (1) and seal receptacle are provided with the protrusion side (11) of conflict, the side wall of the seal receptacle (10)
(10) edge contradicted, which is provided with second boss (13), the seal receptacle (10), is arranged with the first O-ring seal (14), described
First boss (12) and second boss (13) cooperate the first O-ring seal (14) clamping.
2. jet pump according to claim 1, it is characterized in that：Is provided with the protrusion side (11) of the seal receptacle (10)
One locating slot (15), the pump housing (1) is provided with coordinate with the first locating slot (15) second with protrusion side (11) contact position and determined
Position groove (16).
3. jet pump according to claim 2, it is characterized in that：In first locating slot (15) and the second locating slot (16)
It is provided with rubber bushing (17).
4. jet pump according to claim 1, it is characterized in that：The injector (7) includes integrally formed coaxial
The nozzle (71) of playpipe (72) and horn shape, the horn mouth of the nozzle (71) is set away from impeller (8), nozzle (71)
Gap is left between side wall and playpipe (72), the one end of the playpipe (72) away from impeller (8) is supported with water inlet section header (5)
Connect, the injector (7) is provided with the limited block (18) that section is L-type close to the side of impeller (8), and impeller (8) are led
Leaf is contradicted with limited block (18).
5. jet pump according to claim 4, it is characterized in that：The limited block (18) sets limited location with stator contact position
Groove (19).
6. jet pump according to claim 4, it is characterized in that：The playpipe (72) is set close to one end of impeller (8)
To be horn-like.
7. jet pump according to claim 1, it is characterized in that：The injector (7) is set with water inlet section header (5) contact position
There is annular groove (23), the water inlet section header (5) is provided with two grooves (20) of parallel distribution with the outer wall that annular groove (23) is contacted,
The second O-ring seal (21) is provided with the groove (20).
8. jet pump according to claim 1, it is characterized in that：Turn through between seal receptacle (10) and impeller (8)
Mechanical seal (22) is provided with axle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079304.0U CN206503689U (en) | 2017-01-22 | 2017-01-22 | jet pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079304.0U CN206503689U (en) | 2017-01-22 | 2017-01-22 | jet pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206503689U true CN206503689U (en) | 2017-09-19 |
Family
ID=59833073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720079304.0U Expired - Fee Related CN206503689U (en) | 2017-01-22 | 2017-01-22 | jet pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206503689U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762878A (en) * | 2017-11-03 | 2018-03-06 | 新界泵业集团股份有限公司 | A kind of jet pump and its assembly method |
| CN108167194A (en) * | 2018-03-01 | 2018-06-15 | 浙江吉康泵业有限公司 | A kind of novel self suction type centrifugal pump |
| CN112610508A (en) * | 2020-12-21 | 2021-04-06 | 广东凌霄泵业股份有限公司 | Integrated full-plastic efficient corrosion-resistant pump |
-
2017
- 2017-01-22 CN CN201720079304.0U patent/CN206503689U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762878A (en) * | 2017-11-03 | 2018-03-06 | 新界泵业集团股份有限公司 | A kind of jet pump and its assembly method |
| CN107762878B (en) * | 2017-11-03 | 2019-07-19 | 新界泵业(浙江)有限公司 | A kind of jet pump and its assembly method |
| CN108167194A (en) * | 2018-03-01 | 2018-06-15 | 浙江吉康泵业有限公司 | A kind of novel self suction type centrifugal pump |
| CN112610508A (en) * | 2020-12-21 | 2021-04-06 | 广东凌霄泵业股份有限公司 | Integrated full-plastic efficient corrosion-resistant pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |