CN107654384A - A kind of water pump - Google Patents

A kind of water pump Download PDF

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Publication number
CN107654384A
CN107654384A CN201711118651.0A CN201711118651A CN107654384A CN 107654384 A CN107654384 A CN 107654384A CN 201711118651 A CN201711118651 A CN 201711118651A CN 107654384 A CN107654384 A CN 107654384A
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CN
China
Prior art keywords
mounting cylinder
water pump
convex body
spring
closure part
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.)
Granted
Application number
CN201711118651.0A
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Chinese (zh)
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CN107654384B (en
Inventor
林荣
邱士军
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.)
Leo Group Zhejiang Pump Co Ltd
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Leo Group Zhejiang Pump Co Ltd
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Priority to CN201711118651.0A priority Critical patent/CN107654384B/en
Publication of CN107654384A publication Critical patent/CN107654384A/en
Application granted granted Critical
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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
    • F04D9/00Priming; Preventing vapour lock
    • F04D9/02Self-priming 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
    • F04D29/007Details, component parts, or accessories 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
    • F04D29/02Selection of particular materials
    • F04D29/026Selection of particular materials especially adapted for liquid pumps

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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 provides a kind of water pump, belong to field of mechanical technique.It solve the problems, such as existing water pump leak test structure detection is not sensitive enough and constant observation.A kind of this water pump includes the pump housing with pump chamber, the mounting cylinder being connected with pump chamber is fixed with the pump housing, there is the water inlet end being connected with pump chamber on mounting cylinder, the threaded upper ends of mounting cylinder are connected with tubular end cap, end cap has fixedly connected to the inner side suction instruction frame, the middle part of suction instruction frame is provided with the opening run through, suction indicates to be provided with leakage indicator between frame and end cap, leakage indicator includes flexible and closure part in the form of sheets and the instruction convex body being arranged on the upper side of closure part, the described opening of closure part closure, the middle part of mounting cylinder is provided with the intercommunicating pore run through, instruction convex body can stretch out in intercommunicating pore.A kind of this water pump have can be to pump chamber leakage more it is sensitive must detect and be easy to observation detection leakage result the advantages of.

Description

A kind of water pump
Technical field
The invention belongs to field of mechanical technique, is related to a kind of water pump.
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 Liquid, increase liquid energy, being mainly used to conveying liquid includes water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid gold Category etc..Water pump is divided into self-priming, latent liquid type and protected type etc. according to by special construction.
Self priming pump is a kind of to be not required to the hydraulically full centrifugal pump that just automatically liquid can be pumped in suction line.From Sucking pump is drained the air in pipeline by the rotation of impeller, liquid is entered in pump, completes self-priming process.Therefore, sealing effect Fruit is to influence a good and bad key factor of self priming pump performance.Sealing effectiveness is good, and the performance of self priming pump is with regard to superior, if sealing Effect is bad, is easy for producing gas leakage, the phenomenon of leakage, the performance of self priming pump can be not only largely effected on, it could even be possible to making self-priming The disabler of pump.It is to be tightly connected using sealing ring and fastening bolt between some parts of self priming pump, in actual use, by In the aging and corrosion of sealing ring, gas leakage, the phenomenon of leakage inevitably be present.Sealing surface the more, be cured by gas leakage, the phenomenon of leakage Substantially, the performance of self priming pump is just poorer.
A kind of water pump (application number with leakage inspection structure as disclosed in Chinese patent literature: 201610338303.3), including power transmission shaft, oil sealing, water seal and water pump body, inwall one end of water pump body connect to form water The oil sealing, the side of power transmission shaft and water are installed in chamber, inside and the transmission axis connection of water pump body, the driving end sealing of power transmission shaft Chamber is adjacent, and sealing installation water seal, sets inspection hole between power transmission shaft and water cavity between oil sealing and water seal.But the leakage inspection of the water pump Look into that structure detection is not sensitive enough and constant observation.
The content of the invention
The purpose of the present invention is above mentioned problem be present for existing technology, it is proposed that a kind of leakage that can be to pump chamber compared with For the sensitive water pump that must be detected and be easy to observation detection leakage result.
The purpose of the present invention can be realized by following technical proposal:A kind of water pump, including the pump housing with pump chamber, it is described The pump housing on be fixed with the mounting cylinder being connected with pump chamber, there is the water inlet end being connected with pump chamber on described mounting cylinder, its It is characterised by, the threaded upper ends of described mounting cylinder are connected with tubular end cap, and described end cap has fixedly connected to the inner side suction Indicate frame, the middle part of described suction instruction frame is provided with the opening that runs through, described suction instruction frame and described end cap it Between be provided with leakage indicator, described leakage indicator includes flexible and closure part in the form of sheets and is arranged on closure part Instruction convex body on upper side, the described opening of described closure part closure, the middle part of described mounting cylinder is provided with what is run through Intercommunicating pore, described instruction convex body can stretch out in described intercommunicating pore.
Water pump in self-priming, down inhaled by the closure part of leakage indicator, now indicates that convex body is located at the connection of mounting cylinder In hole, when the pump housing produces leakage, the outer face of mounting cylinder is stretched out in by instruction convex body during the elastic reset of closure part, is prompted User's water inlet end has leakage, is easy to user to observe instruction convex body, has and uses the advantages of more convenient.
In a kind of above-mentioned water pump, the rounded and described closure part in described closure part and described mounting cylinder are coaxial Set.Using above-mentioned setting, there is preferable locating effect to closure part.
In a kind of above-mentioned water pump, described mounting cylinder is detachably connected on the described pump housing, described mounting cylinder Cartridge filter is inside located, described water inlet end is located at the outside of cartridge filter, and described mounting cylinder is made of transparent material.Installation Cylinder is made of transparent material, and whether the cartridge filter for being easy to observe in mounting cylinder blocks and influence the performance of water pump, and mounting cylinder can Dismantling connection is easy to dismantle mounting cylinder on the pump housing, is easy to clean cartridge filter, has and use the advantages of more convenient.
In a kind of above-mentioned water pump, the outer of described closure part is equipped with sealing convex body, and described sealing convex body squeezes It is pressed between described suction instruction frame and described mounting cylinder.Using above-mentioned setting, make closure part that there is preferably sealing to imitate Fruit.
In a kind of above-mentioned water pump, the upper and lower ends of described opening are the bellmouth orifice opened toward outside.Circulation The both ends in hole are the bellmouth orifice opened toward outside, and it is larger to flow through the flow of opening, have the advantages of using effect is preferable.
In a kind of above-mentioned water pump, the section edges of the bellmouth orifice of described opening upper end are curved.Using above-mentioned Set, avoid producing damage to closure part, improve service life.
In a kind of above-mentioned water pump, the bellmouth orifice of the lower end of described opening is bellmouth.
In a kind of above-mentioned water pump, the lower end of described suction instruction frame is fixed with the spring fixed seat that middle part is run through, Spring is provided between described spring fixed seat and described closure part.By setting above-mentioned spring, reveal pipeline When, closure part is up moved rapidly, instruction convex body is stretched out in the outer face of mounting cylinder, have detection more rapidly excellent Point.
In a kind of above-mentioned water pump, spring mounting seat is provided between the upper end and closure part of described spring, it is described It is provided with spring mounting seat between the lower end of spring and described spring fixed seat, described spring mounting cylinder is in the form of a column and described The middle part of spring mounting seat has the through hole run through.By setting above-mentioned spring mounting cylinder, there is preferably positioning to spring Effect and be not easy to closure part produce damage the advantages of, improve service life.
In a kind of above-mentioned water pump, the upper surface of described suction instruction frame is equipped with arc convex body, described arc Convex body is resisted against on described sealing convex body.It is resisted against by arc convex body on sealing convex body, there is preferable sealing effectiveness.
In a kind of above-mentioned water pump, the outside of the described pump housing is provided with visual windows, is provided with described visual windows Transparent panel, sealing is formed between described transparent panel and the described pump housing.Transparent panel and transparent panel and pump are provided with visual windows Sealing is formed between body, is easy to observe in pump chamber whether have water, avoids this water pump in scarce underwater operation.
Compared with prior art, a kind of this water pump has advantages below:
1st, when the pump housing produces leakage, the outer end of mounting cylinder is stretched out in by instruction convex body during the elastic reset of closure part Face, prompt user's water inlet end that there is leakage, be easy to user to observe instruction convex body, have and use the advantages of more convenient;
2nd, mounting cylinder is made of transparent material, and whether the cartridge filter for being easy to observe in mounting cylinder blocks and influence water pump Performance, mounting cylinder are detachably connected on the pump housing, are easy to dismantle mounting cylinder, are easy to clean cartridge filter, have use more square Just the advantages of;
3rd, the both ends of opening are the bellmouth orifice opened toward outside, and it is larger to flow through the flow of opening, have and use The advantages of effect is preferable;
4th, it is provided with visual windows between transparent panel and transparent panel and the pump housing and forms sealing, whether be easy to observe has in pump chamber Water, this water pump is avoided in scarce underwater operation;
5th, by setting above-mentioned spring mounting cylinder, there is preferable locating effect to spring and be not easy to produce closure part The advantages of damage, improve service life.
Brief description of the drawings
Fig. 1 is a kind of this structural representation of water pump.
Fig. 2 is a kind of this structural representation of the upper end of the mounting cylinder of water pump.
Fig. 3 is a kind of this enlarged diagram of the upper end of the mounting cylinder of water pump.
Fig. 4 is the enlarged diagram of the upper end of the mounting cylinder of the another way of this water pump.
1st, the pump housing;1a, water inlet end;1b, mounting cylinder;2nd, end cap;2a, intercommunicating pore;3rd, suction instruction frame;3a, opening; 3b, arc convex body;4th, leakage indicator;4a, closure part;4b, sealing convex body;4c, instruction convex body;5th, spring fixed seat;6th, bullet Spring;7th, spring mounting seat;8th, cartridge filter;9th, visual windows;10th, steel bushing.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.
As shown in Figures 1 to 3, a kind of water pump, including housing and the pump housing 1 with pump chamber, the pump housing 1 are connected on housing. The mounting cylinder 1b being connected with pump chamber is fixed with the pump housing 1, there is the water inlet end 1a being connected with pump chamber, installation on mounting cylinder 1b Cylinder 1b cavity is connected with pump chamber, and mounting cylinder 1b upper end, which is provided with, is cylindrical in shape transparent end cap 2, and end cap 2 has been fixedly connected to the inner side Suction indicates frame 3, and the middle part of suction instruction frame 3 is provided with the opening 3a run through, is provided with and lets out between suction instruction frame 3 and end cap 2 Reveal indicator 4, leakage indicator 4 includes flexible and closure part 4a in the form of sheets and is arranged on the 4a upper sides of closure part Instruction convex body 4c, closure part 4a closure opening 3a, the middle part of end cap 2 is provided with the intercommunicating pore 2a run through, indicates convex body 4c energy Enough stretch out in intercommunicating pore 2a.Motor is provided with housing, the rotating shaft of motor is connected with the impeller of water pump.Housing adopt it is made of plastic, The outer sheath of housing is provided with the steel bushing 10 of stainless steel, and motor is located at the inner side of steel bushing 10.
Mounting cylinder 1b is detachably connected on the pump housing 1, cartridge filter 8 is located in mounting cylinder 1b, water inlet end 1a is positioned at filtering The outside of cylinder 8, mounting cylinder 8 are made of the transparent material of glass or plastics.The outside of the pump housing 1 is provided with visual windows 9, visual window Transparent panel is provided with mouth 9, sealing is formed between transparent panel and the pump housing 1, is easy to observe in pump chamber whether have water, avoids this water pump from existing Lack underwater operation.
Closure part 4a rounded and described closure part 4a and mounting cylinder 1b is coaxially disposed, and closure part 4a outer is equipped with Convex body 4b is sealed, sealing convex body 4b is squeezed between suction instruction frame 3 and mounting cylinder 1b.The upper end face ring of suction instruction frame 3 is set There are arc convex body 3b, arc convex body 3b to be resisted against on sealing convex body 4b, make closure part 4a that there is preferable sealing effectiveness.
Opening 3a upper and lower ends are the bellmouth orifice opened toward outside.The section side of the bellmouth orifice of opening 3a upper ends Edge is curved, and the bellmouth orifice of opening 3a lower end is bellmouth, and it is larger to flow through opening 3a flow, has using effect The advantages of preferable.
In self-priming, the closure part 4a of leakage indicator 4 is down inhaled water pump, now indicates that convex body 4c is located at mounting cylinder 1b Intercommunicating pore 2a in, when water inlet end 1a produces leakage, peace is stretched out in by instruction convex body 4c during closure part 4a elastic reset Fitted tube 1b outer face, prompt user's water inlet end 1a that there is leakage, be easy to user to observe instruction convex body 4c, have and use The advantages of more convenient.Mounting cylinder 1b is made of transparent material, and whether the cartridge filter 8 for being easy to observe in mounting cylinder blocks and shadow The performance of Xiangshui County's pump, mounting cylinder 1b are detachably connected on the pump housing 11, are easy to dismantle mounting cylinder 1b, are easy to clean cartridge filter 8, With using it is more convenient the advantages of.
Alternatively, this programme is roughly the same with above-mentioned scenario-frame and principle, and difference is:Such as Fig. 4 institutes Show, the lower end of suction instruction frame 3 is fixed with the spring fixed seat 5 that runs through of middle part, spring fixed seat 5 and described closure part 4a it Between be provided with spring 6.Spring mounting seat 7, lower end and the spring fixed seat 5 of spring 6 are provided between the upper end of spring 6 and closure part 4a Between be provided with spring mounting seat 7, the mounting cylinder 1b of spring 6 is in the form of a column and the middle part of spring mounting seat 7 has the through hole run through.
By setting above-mentioned spring 6, when revealing pipeline, closure part 4a is up moved rapidly, make instruction convex Body 4c stretches out in mounting cylinder 1b outer face, has and detects the advantages of more rapid.By setting the above-mentioned mounting cylinder of spring 6 1b, the advantages of there is preferable locating effect to spring 6 and be not easy to produce damage to closure part 4a, improve service life.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although the pump housing 1, water inlet end 1a, mounting cylinder 1b, end cap 2, intercommunicating pore 2a, suction instruction frame have more been used herein 3rd, opening 3a, arc convex body 3b, leakage indicator 4, closure part 4a, sealing convex body 4b, instruction convex body 4c, spring fixed seat 5, The terms such as spring 6, spring mounting seat 7, cartridge filter 8, visual windows 9, steel bushing 10, but it is not precluded from the possibility using other terms Property.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms;It is construed as any one Additional limitation is all disagreed with spirit of the present invention.

Claims (10)

1. a kind of water pump, including the pump housing (1) with pump chamber, the described pump housing are fixed with the installation being connected with pump chamber on (1) Cylinder (1b), there is the water inlet end (1a) being connected with pump chamber, it is characterised in that described mounting cylinder on described mounting cylinder (1b) The threaded upper ends of (1b) are connected with tubular end cap (2), and described end cap (2) has fixedly connected to the inner side suction instruction frame (3), institute The middle part for the suction instruction frame (3) stated is provided with the opening (3a) run through, described suction instruction frame (3) and described end cap (2) leakage indicator (4) is provided between, described leakage indicator (4) includes closure part (4a) flexible and in the form of sheets And the instruction convex body (4c) on closure part (4a) upper side is arranged on, the described opening of described closure part (4a) closure (3a), the middle part of described mounting cylinder (1b) are provided with the intercommunicating pore (2a) run through, and described instruction convex body (4c) can stretch out in Described intercommunicating pore (2a).
A kind of 2. water pump according to claim 1, it is characterised in that the rounded and described envelope in described closure part (4a) Stifled portion (4a) is coaxially disposed with described mounting cylinder (1b).
3. a kind of water pump according to claim 1, it is characterised in that described mounting cylinder (1b) is detachably connected on described The pump housing (1) on, cartridge filter (8) is located in described mounting cylinder (1b), described water inlet end (1a) is located at cartridge filter (8) Outside, described mounting cylinder (1b) are made of transparent material.
4. a kind of water pump according to claim 1, it is characterised in that the outer of described closure part (4a) is equipped with sealing Convex body (4b), described sealing convex body (4b) are squeezed between described suction instruction frame (3) and described mounting cylinder (1b).
5. according to a kind of water pump described in claim 1 or 2 or 3 or 4, it is characterised in that above and below described opening (3a) Both ends are the bellmouth orifice opened toward outside.
6. a kind of water pump according to claim 5, it is characterised in that the bellmouth orifice of described opening (3a) upper end is cut Face edge is curved, and the bellmouth orifice of the lower end of described opening (3a) is bellmouth.
7. according to a kind of water pump described in claim 1 or 2 or 3 or 4, it is characterised in that under described suction instruction frame (3) End is fixed with the spring fixed seat (5) that middle part is run through, and is provided between described spring fixed seat (5) and described closure part (4a) Spring (6).
8. a kind of water pump according to claim 7, it is characterised in that the upper end of described spring (6) and closure part (4a) Between be provided with spring mounting seat (7), between the lower end of described spring (6) and described spring fixed seat (5) be provided with spring pacify Seat (7) is filled, described spring (6) mounting cylinder (1b) is in the form of a column and the middle part of described spring mounting seat (7) has what is run through to lead to Hole.
9. a kind of water pump according to claim 4, it is characterised in that the upper end face ring of described suction instruction frame (3) is set There is arc convex body (3b), described arc convex body (3b) is resisted against on described sealing convex body (4b).
10. according to a kind of water pump described in claim 1 or 2 or 3 or 4, it is characterised in that set on the outside of the described pump housing (1) There are visual windows (9), described visual windows (9) place is provided with transparent panel, shape between described transparent panel and the described pump housing (1) Into sealing.
CN201711118651.0A 2017-11-13 2017-11-13 Water pump Active CN107654384B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711118651.0A CN107654384B (en) 2017-11-13 2017-11-13 Water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711118651.0A CN107654384B (en) 2017-11-13 2017-11-13 Water pump

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CN107654384A true CN107654384A (en) 2018-02-02
CN107654384B CN107654384B (en) 2024-01-09

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR994549A (en) * 1949-07-07 1951-11-19 Safety device intended to ensure the automatic stopping of the motor actuating a pump, in the event of the pump being deactivated
JPS5912193A (en) * 1982-07-13 1984-01-21 Toshiba Corp Leakage detecting device for recirculating pump of reactor
US5170659A (en) * 1991-04-08 1992-12-15 Kemp Development Corporation Apparatus and method for detecting fluid leakage
CN106194840A (en) * 2016-09-30 2016-12-07 利欧集团浙江泵业有限公司 The runner body structure of Hua Yuanbeng
US20170082517A1 (en) * 2015-09-23 2017-03-23 Gas Turbine Specialty Parts LLC Leak detection system
CN207539040U (en) * 2017-11-13 2018-06-26 利欧集团浙江泵业有限公司 A kind of water pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR994549A (en) * 1949-07-07 1951-11-19 Safety device intended to ensure the automatic stopping of the motor actuating a pump, in the event of the pump being deactivated
JPS5912193A (en) * 1982-07-13 1984-01-21 Toshiba Corp Leakage detecting device for recirculating pump of reactor
US5170659A (en) * 1991-04-08 1992-12-15 Kemp Development Corporation Apparatus and method for detecting fluid leakage
US20170082517A1 (en) * 2015-09-23 2017-03-23 Gas Turbine Specialty Parts LLC Leak detection system
CN106194840A (en) * 2016-09-30 2016-12-07 利欧集团浙江泵业有限公司 The runner body structure of Hua Yuanbeng
CN207539040U (en) * 2017-11-13 2018-06-26 利欧集团浙江泵业有限公司 A kind of water pump

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