CN108180148A - A kind of anti-backflow water pump convenient for lubricant addition - Google Patents

A kind of anti-backflow water pump convenient for lubricant addition Download PDF

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Publication number
CN108180148A
CN108180148A CN201810189955.4A CN201810189955A CN108180148A CN 108180148 A CN108180148 A CN 108180148A CN 201810189955 A CN201810189955 A CN 201810189955A CN 108180148 A CN108180148 A CN 108180148A
Authority
CN
China
Prior art keywords
fixedly connected
spring
sealing ring
impeller
water pump
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
Application number
CN201810189955.4A
Other languages
Chinese (zh)
Inventor
赵玉明
赵昶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GAOYOU HUANLIU PUMP CO Ltd
Original Assignee
GAOYOU HUANLIU PUMP CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GAOYOU HUANLIU PUMP CO Ltd filed Critical GAOYOU HUANLIU PUMP CO Ltd
Priority to CN201810189955.4A priority Critical patent/CN108180148A/en
Publication of CN108180148A publication Critical patent/CN108180148A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/06Lubrication
    • F04D29/061Lubrication especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/16Sealings between pressure and suction sides
    • F04D29/165Sealings between pressure and suction sides especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293Details of fluid inlet or outlet

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a kind of anti-backflow water pump convenient for lubricant addition, including pump case, housing, bearing, shaft, the first spring, the first sealing ring, knob, connecting rod, cam, through-hole, VERTICAL TUBE, oil inlet, the first impeller, the second sealing ring, fixing axle, the second impeller, second spring, baffle, water inlet pipe, groove and outlet pipe.This is convenient for the structure of the anti-backflow water pump of lubricant addition simple, it is easy to operate, axial thrust is generated by the rotation water source of the second impeller, cooperation centrifugal pump causes equipment to improve the efficiency at transmission water source, after use, avoid water source refluence, avoid terminate use after because forget close flow-stop valve cause water source flow backwards due to caused by economic loss;When adding lubricant, the problem of flowing to Bearing inner by turning knob lubricant by through-hole, simplify operation, detaching equipment is needed to be added when avoiding tradition addition, the work difficulty of operating personnel is reduced, improves working efficiency.

Description

A kind of anti-backflow water pump convenient for lubricant addition
Technical field
The present invention relates to a kind of water pump, specially a kind of anti-backflow water pump convenient for lubricant addition belongs to pump technology Field.
Background technology
Water pump is the machinery for conveying liquid or being pressurized liquid, it transmits the mechanical energy of prime mover or other external energies To liquid, increase liquid energy, be mainly used to conveying liquid and include water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid gold Belong to etc., can also convey liquid, admixture of gas and the liquid containing suspended solids, the technical parameter of pump performance have flow, Suction, lift, shaft power, water-horse power, efficiency etc. can be divided into the types such as volume water pump, vane pump according to different operation principles, Positive displacement pump is to transmit energy using the variation of its swept volume of a single chamber, vane pump be using the interaction of rotary vane and water come Energy is transmitted, there are the types such as centrifugal pump, axial-flow pump and mixed-flow pump.
Water pump currently on the market is all to achieve the purpose that transport water source, the filling especially suitable for eminence by equipment It irrigates, greatly reduces the amount of labour and be used widely, still, for centrifugal pump, due to being needed inside the pump case of centrifugal pump Vacuum state, because actual conditions cannot reach absolute vacuum so as to limit the delivery head of centrifugal pump, if forgetting after use Note, which closes flow-stop valve, can cause water source inside pump case to flow backwards, so as to increase workload;And for a long time using needing to add at rear bearing Add lubricant, and add at present lubricant carry out dismounting smeared, be more troublesome, add heavily to the difficulty of the work.Therefore, for The above problem proposes a kind of anti-backflow water pump convenient for lubricant addition.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of anti-down flowing water convenient for lubricant addition Pump.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of anti-backflow water pump convenient for lubricant addition, Housing including pump case and its positioned at the pump case side, the enclosure interior are installed with bearing, and the Bearing inner turns Dynamic to be connected with shaft, housing side side wall is fixedly connected with the first spring, and the end of first spring is fixedly connected with the One sealing ring;The case top is equipped with knob, and the bottom end of the knob is fixedly connected with connecting rod, and the bottom of the connecting rod End is fixedly connected with cam, and running through on the cam has through-hole;The connecting rod side is installed with VERTICAL TUBE, described vertical The top of pipe is fixedly connected with oil inlet, and the bottom end seal contact of the VERTICAL TUBE has the top surface of cam;The end of the shaft Portion is fixedly connected with the first impeller, and described shaft one end is rotatably connected to the second sealing ring, and one end of first impeller is consolidated Surely fixing axle is connected with, and the end of the fixing axle is fixedly connected with the second impeller, the outer pars intramuralis of the fixing axle is fixed Second spring is connected with, the end of the second spring is fixedly connected with baffle;The side of the pump case is fixedly connected with into water Pipe, the inner wall of the water inlet pipe open up fluted, and the top of the baffle is extended in groove, and the top of the pump case is fixed It is connected with outlet pipe.
Preferably, the quantity of first spring is two, and the end of two first springs is respectively fixedly connected with There is the first sealing ring.
Preferably, the shaft extend through and be rotatably connected to housing, the first sealing ring, shaft and the second sealing ring.
Preferably, the caliber of the VERTICAL TUBE is identical with the diameter of through-hole, and the VERTICAL TUBE is prolonged at the top of housing Extend to the surface of cam.
Preferably, the quantity of the second spring is two, and there are two two second springs are respectively fixedly connected with Baffle.
Preferably, the baffle is in semicircle shape, and the barrier slides are connected in groove.
The beneficial effects of the invention are as follows:
1. should be simple convenient for the structure of the anti-backflow water pump of lubricant addition, it is easy to operate, pass through the rotation of the second impeller So that water source generates axial thrust, cooperation centrifugal pump causes equipment to improve the efficiency at transmission water source, increases operation rate, and when making After, by the release baffle of second spring elastic potential energy by inlet seal, water source refluence is avoided, is avoided not Necessary trouble, avoid terminate use after because forget close flow-stop valve cause water source flow backwards due to caused by economic loss.
2. the anti-backflow water pump of lubricant addition should be convenient for lead to when adding lubricant by turning knob lubricant The problem of crossing through-hole and flow to Bearing inner, simplify operation, detaching equipment being needed to be added when avoiding tradition addition, reduces The work difficulty of operating personnel improves working efficiency.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention;
Fig. 2 is pump case side structure schematic view of the present invention;
Fig. 3 is partial structural diagram at A in Fig. 1 of the present invention;
Fig. 4 is partial structural diagram at B in Fig. 1 of the present invention.
In figure:1st, pump case, 2, housing, 3, bearing, 4, shaft, the 5, first spring, the 6, first sealing ring, 7, knob, 8, even Extension bar, 9, cam, 10, through-hole, 11, VERTICAL TUBE, 12, oil inlet, the 13, first impeller, the 14, second sealing ring, 15, fixing axle, 16th, the second impeller, 17, second spring, 18, baffle, 19, water inlet pipe, 20, groove, 21, outlet pipe.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment shall fall within the protection scope of the present invention.
A kind of anti-backflow water pump convenient for lubricant addition shown in -4 is please referred to Fig.1, including pump case 1 and its positioned at the pump The housing 2 of 1 side of shell is installed with bearing 3 inside the housing 2, and 3 inner rotation of bearing is connected with shaft 4, passes through Shaft 4 drives the first impeller 13 and the second impeller 16 to rotate, and the 2 side side wall of housing is fixedly connected with the first spring 5, described The end of first spring 5 is fixedly connected with the first sealing ring 6;2 top of housing is equipped with knob 7, and the bottom end of the knob 7 is fixed Connecting rod 8 is connected with, and the bottom end of the connecting rod 8 is fixedly connected with cam 9, running through on the cam 9 has through-hole 10;Institute It states 8 side of connecting rod and is installed with VERTICAL TUBE 11, the top of the VERTICAL TUBE 11 is fixedly connected with oil inlet 12, and described perpendicular The bottom end seal contact of straight tube 11 has the top surface of cam 9;The end of the shaft 4 is fixedly connected with the first impeller 13, and described 4 one end of shaft is rotatably connected to the second sealing ring 14, and one end of first impeller 13 is fixedly connected with fixing axle 15, and described The end of fixing axle 15 is fixedly connected with the second impeller 16, and the outer pars intramuralis of the fixing axle 15 is fixedly connected with second spring 17, the end of the second spring 17 is fixedly connected with baffle 18, water source is avoided to flow backwards by baffle 18;The one of the pump case 1 Side is fixedly connected with water inlet pipe 19, and the inner wall of the water inlet pipe 19 opens up fluted 20, and the top of the baffle 18 extends to In groove 20, the top of the pump case 1 is fixedly connected with outlet pipe 21.
As a kind of technical optimization scheme of the present invention, the quantity of first spring 5 is two, and two described first The end of spring 5 has been respectively fixedly connected with the first sealing ring 6.Convenient for the movement of the first sealing ring 6.
As a kind of technical optimization scheme of the present invention, the shaft 4 extends through and is rotatably connected to housing 2, first Sealing ring 6,3 and second sealing ring 14 of shaft, convenient for the rotation of shaft 4.
As a kind of technical optimization scheme of the present invention, the caliber of the VERTICAL TUBE 11 is identical with the diameter of through-hole 10, and The VERTICAL TUBE 11 extends to the surface of cam 9 through the top of housing 2, is flow in bearing 4 by through-hole 10 convenient for lubricant.
As a kind of technical optimization scheme of the present invention, the quantity of the second spring 17 is two, and two described the Two springs 17 are respectively fixedly connected with there are two baffle 18, and original place is returned to after being moved convenient for baffle 18.
As a kind of technical optimization scheme of the present invention, the baffle 18 is in semicircle shape, and the baffle 18 is slidably connected To groove 20, convenient for the movement of baffle 18.
In the use of the present invention, shaft 4 is driven to rotate by motor so that first 19 external water source of water inlet pipe first Second impeller 16 of 15 end of impeller 13 and fixing axle rotates simultaneously, when fixing axle 15 rotates, because of centrifugal force so that baffle 18 It is moved in groove 20 so that water inlet pipe 19 is opened, and water source enters because of the axial thrust generated by the second impeller 16 in pump case 1 Portion is flowed out by 13 water source of the first impeller from outlet pipe 21;When fixing axle 15 stalls, second spring 17 is because of elastic potential energy Baffle 18 is driven to return to original place so that water inlet pipe 19 is closed, and water source is avoided to flow backwards;When needing to add lubricant, will lubricate Agent is poured into from oil inlet 12 in VERTICAL TUBE 11, passes through turn knob 7 so that connecting rod 8 is rotated with moving cam 9, and cam 9 pushes the One sealing ring, 6 transverse shifting, meanwhile, the through-hole 10 on cam 9 turns to 11 bottom end nozzle overlapping position of VERTICAL TUBE, so that profit Lubrication prescription flow to the inside of bearing 3 by through-hole 10, continues turn knob 7 so that the first sealing ring 6 is because of the elasticity of the first spring 5 Potential energy returns to original place, and then completes the addition of lubricant.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (6)

1. a kind of anti-backflow water pump convenient for lubricant addition, including pump case (1) and its housing positioned at the pump case (1) side (2), it is characterised in that:Bearing (3) is installed with inside the housing (2), bearing (3) inner rotation is connected with shaft (4), housing (2) side side wall is fixedly connected with the first spring (5), and the end of first spring (5) is fixedly connected with One sealing ring (6);Knob (7) is equipped at the top of the housing (2), the bottom end of the knob (7) is fixedly connected with connecting rod (8), And the bottom end of the connecting rod (8) is fixedly connected with cam (9), running through on the cam (9) has through-hole (10);The connecting rod (8) side is installed with VERTICAL TUBE (11), and the top of the VERTICAL TUBE (11) is fixedly connected with oil inlet (12), and described perpendicular The bottom end seal contact of straight tube (11) has the top surface of cam (9);The end of the shaft (4) is fixedly connected with the first impeller (13), and the shaft (4) one end is rotatably connected to the second sealing ring (14), and one end of first impeller (13) is fixedly connected Have a fixing axle (15), and the end of the fixing axle (15) is fixedly connected with the second impeller (16), the fixing axle (15) it is outer Pars intramuralis is fixedly connected with second spring (17), and the end of the second spring (17) is fixedly connected with baffle (18);The pump The side of shell (1) is fixedly connected with water inlet pipe (19), and the inner wall of the water inlet pipe (19) opens up fluted (20), and the baffle (18) top is extended in groove (20), and the top of the pump case (1) is fixedly connected with outlet pipe (21).
2. a kind of anti-backflow water pump convenient for lubricant addition according to claim 1, it is characterised in that:First bullet The quantity of spring (5) is two, and the end of two first springs (5) has been respectively fixedly connected with the first sealing ring (6).
3. a kind of anti-backflow water pump convenient for lubricant addition according to claim 1, it is characterised in that:The shaft (4) it extends through and is rotatably connected to housing (2), the first sealing ring (6), shaft (3) and the second sealing ring (14).
4. a kind of anti-backflow water pump convenient for lubricant addition according to claim 1, it is characterised in that:The VERTICAL TUBE (11) caliber is identical with the diameter of through-hole (10), and the VERTICAL TUBE (11) extends to cam (9) at the top of housing (2) Surface.
5. a kind of anti-backflow water pump convenient for lubricant addition according to claim 1, it is characterised in that:Second bullet The quantity of spring (17) is two, and two second springs (17) are respectively fixedly connected with there are two baffle (18).
6. a kind of anti-backflow water pump convenient for lubricant addition according to claim 1, it is characterised in that:The baffle (18) in semicircle shape, and the baffle (18) is slidingly attached in groove (20).
CN201810189955.4A 2018-03-08 2018-03-08 A kind of anti-backflow water pump convenient for lubricant addition Pending CN108180148A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810189955.4A CN108180148A (en) 2018-03-08 2018-03-08 A kind of anti-backflow water pump convenient for lubricant addition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810189955.4A CN108180148A (en) 2018-03-08 2018-03-08 A kind of anti-backflow water pump convenient for lubricant addition

Publications (1)

Publication Number Publication Date
CN108180148A true CN108180148A (en) 2018-06-19

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Application Number Title Priority Date Filing Date
CN201810189955.4A Pending CN108180148A (en) 2018-03-08 2018-03-08 A kind of anti-backflow water pump convenient for lubricant addition

Country Status (1)

Country Link
CN (1) CN108180148A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108738443A (en) * 2018-08-15 2018-11-06 美丽国土(北京)生态环境工程技术研究院有限公司 Irrigation rig and irrigation system
CN110966256A (en) * 2019-11-22 2020-04-07 浙江金木泵业有限公司 Water pump and anti-return device thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108738443A (en) * 2018-08-15 2018-11-06 美丽国土(北京)生态环境工程技术研究院有限公司 Irrigation rig and irrigation system
CN108738443B (en) * 2018-08-15 2023-06-09 美丽国土(北京)生态环境工程技术研究院有限公司 Irrigation system
CN110966256A (en) * 2019-11-22 2020-04-07 浙江金木泵业有限公司 Water pump and anti-return device thereof
CN110966256B (en) * 2019-11-22 2021-01-08 浙江金木泵业有限公司 Water pump and anti-return device thereof

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