CN109185224A - Water pump vane - Google Patents

Water pump vane Download PDF

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Publication number
CN109185224A
CN109185224A CN201811206718.0A CN201811206718A CN109185224A CN 109185224 A CN109185224 A CN 109185224A CN 201811206718 A CN201811206718 A CN 201811206718A CN 109185224 A CN109185224 A CN 109185224A
Authority
CN
China
Prior art keywords
front cover
blade
equipped
connecting hole
water
Prior art date
Application number
CN201811206718.0A
Other languages
Chinese (zh)
Inventor
刘东方
Original Assignee
江西省莲花水轮机厂有限公司
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 江西省莲花水轮机厂有限公司 filed Critical 江西省莲花水轮机厂有限公司
Priority to CN201811206718.0A priority Critical patent/CN109185224A/en
Publication of CN109185224A publication Critical patent/CN109185224A/en

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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
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/24Vanes
    • F04D29/242Geometry, shape
    • 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
    • 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
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/586Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/5893Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
    • 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
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/62Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps

Abstract

The invention discloses a kind of water pump vanes, it includes front cover and rear cover, the center of the rear cover is equipped with for the central shaft hole with driving axis connection, the position that central shaft hole is corresponded on the front cover is equipped with water inlet, it is characterized by: between the front cover and rear cover, there are spacing, and it is equipped with several blades between the front cover and the rear cover, whole blades are uniformly distributed along the circumferential direction of central shaft hole, any blade is fixedly connected with the inner sidewall of the inner sidewall of front cover and rear cover respectively, the water stream channel that water supply stream passes through is formed between two blades of arbitrary neighborhood, one end of water stream channel is connected to the water inlet on front cover, position where corresponding to each blade on the front cover is respectively equipped with welding connecting hole.The present invention provides a kind of water pump vane, not only makes the performance of product good by way of split type processing then assemble welding, but also processing easy to produce.

Description

Water pump vane

Technical field

The present invention relates to the technical field of water pump, a kind of specifically water pump vane.

Background technique

Water pump vane is the component of water pump inner core, and the pumping of water flow is realized by the rotation of water pump vane.The prior art In water pump vane generally comprise front cover, rear cover and circumferentially distributed several blades between front cover and rear cover, it is above-mentioned Front cover, blade and rear cover by casting technique integral molding so that forming water flow between two impellers of arbitrary neighborhood Channel.Although this conventional water pump vane already can satisfy the demand of actual production, due to being cast using monoblock type Technique, therefore product is necessarily more or less that there are sand holes, therefore the intensity of blade is poor exists damaged after long-term use One of the reason of risk, this is also restriction water pump vane service life.In addition, due to using monoblock type casting therefore blade surface And the surface accuracy of the inner surface of front and rear covers is poor, therefore the resistance that water flow flows in water stream channel is big, this not only lowers The efficiency of water flow pumping and the load force of water pump is increased, it is obviously few to thereby result in the water pump of same power its actual water supply In theoretical values.

Certainly, also have in industry and considered first to form each components using machine tooling, then lead to each components It crosses and is welded and fixed, to complete the processing of impeller entirety.But since blade is arc-shaped structure, welding gun can not be protruded into Blade is welded and fixed to the inside of water stream channel, especially the impeller on large-scale water pump, water stream channel Length of the depth considerably beyond welding gun in the prior art.Therefore it can not realize that the welding of each position of blade is solid by welding manner It is fixed.Although also just so so knowing casting technique in industry, there are many sides that is insufficient but still generalling use casting Formula completes the processing for impeller.

Summary of the invention

The present invention is directed to solve at least some of the technical problems in related technologies: provide a kind of water pump leaf Wheel not only makes the performance of product good by way of split type processing then assemble welding, but also processing easy to produce.

For this purpose, an object of the present invention is to provide a kind of water pump vane, it includes front cover and rear cover, the rear cover Center, which is equipped with, correspond to the position of central shaft hole on the front cover for the central shaft hole with driving axis connection and is equipped with and intakes Mouthful, it is characterised in that: there are spacing between the front cover and rear cover, and are equipped with several blades between the front cover and the rear cover, all Blade be uniformly distributed along the circumferential direction of central shaft hole, any blade respectively with the inner sidewall of the inner sidewall of front cover and rear cover is fixed connects It connects, forms the water stream channel that water supply stream passes through, the water inlet on one end and front cover of water stream channel between two blades of arbitrary neighborhood Mouth is connected to, and the position where each blade is corresponded on the front cover is respectively equipped with welding connecting hole.Pass through setting for welding connecting hole Meter can make any position of blade that can be welded and fixed between front cover, therefore breach existing welding side in industry The technical bottleneck of formula, fabricates impeller by welding manner.

An example according to the present invention, the blade are divided into leading portion, middle section and back segment along length direction, each to weld Through-hole is corresponding with some or all of the middle section of each blade respectively.By designing the different sections of blade, so that welding is logical The size in hole utmostly reduces, to reduce setting welding connecting hole to the greatest extent for front cover integral strength and rigidity It influences.

An example according to the present invention, the position that welding connecting hole is corresponded on the blade are equipped with chimb, the chimb It is matched in welding connecting hole.Pre-determined bit can not only be played the role of by chimb, but also the usage amount of solder, leaf can be reduced Intensity after piece is welded with front cover is higher.

An example according to the present invention, the welding connecting hole is interior to be equipped with First terrace, and the chimb is equipped with and institute State the second step face that First terrace matches.By the way that two mutually matched step surfaces are arranged, therefore can not only play Positioning action, and the design of bending can greatly reduce solder and drop to water stream channel from the gap of chimb and welding connecting hole It is interior, so as to avoid the damage for blade or front cover or rear interior surface.

An example according to the present invention is equipped with the heat-insulated of an annular between the First terrace and second step face Band, so that the gap between chimb and welding connecting hole is separated into the welding section being connected to external environment and is connected to water stream channel Linkage section.By designing heat insulating belt, the heat that can effectively avoid welding process from generating leads to the interior table of front cover or blade Face deformation reduces influence of the thermal deformation for water stream channel shape to the greatest extent.

An example according to the present invention, the linkage section is interior to be filled with resistance to Heat buffered layer, and the resistance to Heat buffered layer extends It is located at the orifice position of front cover lower end surface to welding connecting hole, and is flushed with front cover lower end surface.By designing resistance to Heat buffered layer, not only Linkage section can be filled, so that water flow be avoided in later period use process constantly to impact the gap where linkage section, and can be with Play the role of lifting positioning for front cover before front cover and blade welding.

An example according to the present invention, the resistance to Heat buffered layer are made of porous asbestos.

Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.

Above-mentioned technical proposal have the following advantages that or the utility model has the advantages that impeller can by split type processing front cover, blade and Then rear cover completes assembly by welding again, therefore the precision of product is good, especially inner surface accuracy corresponding to water stream channel Height, therefore the frictional resistance in water flow flow process is small, energy consumption needed for pumping same amount water flow is small.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of water pump vane of the invention.

Fig. 2 is the schematic top plan view after water pump vane removal front cover of the invention.

Fig. 3 is the partial enlargement diagram in region " A " in Fig. 1.

Fig. 4 is the partial enlargement diagram in region " B " in Fig. 3.

Wherein, 1, front cover, 2, rear cover, 3, central shaft hole, 4, water inlet, 5, blade, 5.1, leading portion, 5.2, middle section, 5.3, Back segment, 6, water stream channel, 7, water outlet, 8, welding connecting hole, 9, chimb, 10, First terrace, 11, second step face, 12, every The torrid zone, 13, welding section, 14, linkage section.

Specific embodiment

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.

Below with reference to the accompanying drawings it is described in detail water pump vane according to an embodiment of the present invention.

Embodiment one:

The present invention provides a kind of water pump vane, it includes front cover 1 and rear cover 2 as shown in Figure 1, the center of the rear cover 2 Position is equipped with the position for correspond to central shaft hole 3 on the front cover 1 for the central shaft hole 3 with driving axis connection equipped with water inlet 4, there are spacing between the front cover 1 and rear cover 2, and several blades 5, the blade 5 are equipped between front cover 1 and rear cover 2 It is streamlined, it is so-called it is streamlined be to any point on 5 surface of blade along the track that 5 length direction of blade moves be an arc Shape curve.Whole blades 5 are uniformly distributed along the circumferential direction of central shaft hole 3, any blade 5 respectively with the inner sidewall of front cover 1 and after The inner sidewall of lid 2 is fixedly connected, so that the water stream channel 6 that water supply stream passes through is formed between two blades 5 of arbitrary neighborhood, water One end of circulation road 6 is connected to the water inlet 4 on front cover 1, and the other end of water stream channel 6 forms water outlet 7.On the front cover 1 Welding connecting hole 8 is respectively equipped with corresponding to the position where each blade 5.Welding gun is logical when welding 5 middle position of blade It crosses welding connecting hole 8 and welds blade 5 and front cover 1.

Embodiment two:

Basic structure is the same as example 1, and difference is: the blade 5 along length direction be divided into leading portion 5.1, in Section 5.2 and back segment 5.3.It is so that welding gun passes through the water outlet of water stream channel 6 in the leading portion 5.1 of blade 5 and the welding process of front cover 1 Mouth 7 protrudes into the welding for thus completing leading portion 5.1, and the rear end 5.3 of blade 5 stretches welding gun by the water inlet 4 on front cover 1 Enter the welding thus completed between the back segment 5.3 of blade 5 and front cover 1 into water stream channel 6, finally makes welding gun from front cover 1 Welding connecting hole 8 stretch to blade 5 5.2 position of middle section complete 5 middle section 5.2 of blade the welding with front cover 1, and Welding is closed welding connecting hole 8 during middle section 5.2, that is, utilizes fill solder sealing welding through-hole 8.

Embodiment three:

Basic structure is identical as embodiment two, and difference is: the corresponding entire blade 5 of the welding connecting hole 8, i.e., entire blade 5 welding process close to 1 side of front cover passes through welding connecting hole 8 and realizes.Such mode is suitable for water inlet 4 and water outlet 7 It sets smaller or the case where can not be passed through for welding gun with the presence of other attachmentes.Therefore some or all of of blade 5 passes through welding Through-hole 8 is realized and the welding of front cover 1 should all be within the protection scope for belonging to the present patent application.

Example IV:

Basic structure is identical as embodiment two, and difference is: the position on the blade 5 corresponding to welding connecting hole 8 is equipped with Chimb 9, the chimb 9 are matched in welding connecting hole 8, can be complete by the gap being welded and fixed between chimb 9 and welding connecting hole 8 At being welded and fixed for blade 5 and front cover 1, and make the clearance seal between chimb and welding connecting hole 8.

Embodiment five:

Basic structure is identical as example IV, and difference is: the welding connecting hole 8 is located at aperture position on 1 lower end surface of front cover It sets and extends out to form First terrace 10 in the horizontal direction, the chimb 9 is equipped with the matched with the First terrace 10 Two step surfaces 11.It can make liquefied weldering of being heated in welding process by the cooperation in First terrace 10 and second step face 11 Material will not drop on blade 5 from the gap between 8 inner sidewall of chimb 9 and welding connecting hole, to cause the damage on 5 surface of blade Wound.

Embodiment six:

Basic structure is identical as embodiment five, and difference is: the First terrace 10 or second step face 11 are equipped with The heat insulating belt 12 of one annular, the gap between chimb 9 and welding connecting hole 8 is separated by the heat insulating belt 12 to be connected with external environment Logical welding section 13 and the linkage section 14 being connected to water stream channel 6.Specifically, it is coated on the heat insulating belt 12 for obstructing heat Measure the heat-barrier material of transmitting, such as asbestos.It can not only cause blade 5 with before to avoid the heat of welding process by heat-barrier material The lower end surface temperature distortion of lid 1, and dropped on blade 5 or before flowing to after can keeping from heat in the solder of fluid state Bulge is formed on the lower end surface of lid 1.

Embodiment seven:

Basic structure is identical as embodiment six, and difference is: the heat insulating belt 12 refers to First terrace 10 and/or It is recessed the groove of an annular on two step surfaces 11, the heat-barrier material for trap heat transmitting is filled in the groove.

Embodiment eight:

Basic structure is identical as embodiment six, and difference is: resistance to Heat buffered layer is filled in the linkage section 14, it is described resistance to Heat buffered layer extends to welding connecting hole 8 close to the position of 1 lower end surface of front cover, and flushes with 1 lower end surface of front cover.Described is heat-resisting slow Layer is rushed to be made of porous asbestos material.Linkage section 14 can be filled by resistance to Heat buffered layer, so that the lower end of front cover 1 Continuous transition between face and blade 5 avoids the gap where water impact linkage section.In addition, heat-resisting slow described in further Layer is rushed with certain elasticity, therefore lid 1 and when adjust 1 position of front cover in a pre-installation, can use resistance to Heat buffered layer Front cover 1 is lifted, avoids front cover 1 and 5 direct collision of blade so as to cause the damage of blade 5.

Based on the structure of the above-mentioned water pump vane of the present patent application, the embodiment of process is as follows:

Embodiment nine:

The present invention provides a kind of water pump vane, and structure division is basically the same as the first embodiment, it is characterised in that: processed Journey the following steps are included:

S1, by blade 5, the circumferential direction of central shaft hole is uniformly distributed along rear cover 2, and to weld between each blade 5 and rear cover 2 Connect fixation.

S2, front cover 1 is covered on to 5 top of blade from top to bottom.

S3, front cover 1 is adjusted so that each welding connecting hole 8 on front cover 1 is corresponding with corresponding blade 5, then make Front cover 1 is obtained to be positioned on rear cover 2.The meaning of above-mentioned one word of positioning is between front cover 1 and rear cover 2 that relative position is fixed, i.e., It is opposing stationary between rear cover 2 and welding and blade 5 and front cover 1 on rear cover 2, after this process can be made by locating support Lid 2 and front cover 1 are clamped on locating support, and removable fixation between front cover 1 and rear cover 2 can also be made by fixture.

S4, to be welded and fixed between some or all of blade 5 and front cover 1 by welding connecting hole 8.Certainly, if passing through The middle section of blade 5 is welded and fixed in welding connecting hole 8, then also needs to be located at by blade 5 water outlet 7 of water stream channel 6 It welds the front end of blade 5 and welding processing is carried out by rear end of the water inlet 4 on front cover 1 to blade 5, be finally completed entire The welding processing of blade 5.It is not difficult to find out that will be in conjunction with impeller itself when length and the position for designing welding connecting hole 8 Structure size, the design of welding connecting hole 8 will necessarily destroy the integrality of front cover 1, therefore can be using the water inlet 4 on front cover 1 The structure having with the equal impellers of the water outlet 7 of water stream channel 6 itself realize the welding of 5 partial region of blade then no setting is required that welding is logical Hole 8 only just needs to realize that the welding of blade 5 and front cover 1 is solid by means of setting welding connecting hole 8 in the position that welding gun can not weld It is fixed.

Further, during welding blade 5 and front cover 1 by welding connecting hole 8, need to fill welding connecting hole 8, with So that the welding connecting hole 8 is closed.

Embodiment nine:

Its basic step is identical as above-described embodiment eight, and difference is: between above-mentioned step S1 and S2 be equipped with step S5, Multiple cushion blocks are set on rear cover 2, and whole cushion blocks central shaft hole along rear cover 2 is provided at circumferentially spaced.And at this point, described In step S2 when front cover 1 is covered on 5 top of blade from top to bottom the front cover 1 and blade 5 against or there are gap.Pass through pad Block can cover to close to avoid front cover 1 causes the part forced position of blade 5 curved when on blade 5 due to the weight of front cover 1 itself It is bent.

Embodiment ten:

Its basic step is identical as above-described embodiment nine, and difference is: the step S3 the following steps are included:

S31, front cover 1 is adjusted, so that each welding connecting hole 8 on front cover 1 is corresponding with corresponding blade 5;

S32, fixture is put into from the water inlet 4 on front cover 1 between front cover 1 and rear cover 2, and one end folder of the fixture Head is fixedly connected with the central shaft hole on rear cover 2, is located at 4 position of water inlet on the collet and front cover 1 of the fixture other end Side wall is fixedly connected.Above-mentioned fixture can using a variety of conventional fixtures in the prior art, such as it is mechanical expansible and It shrinks collet coupler link and realizes clamping, magnetic-type collet can also be used, using the fixed front cover 1 of the magnetic attraction of strong magnetic, and Corresponding collet can use bolt on rear cover 2, and the bolt connects with original on central shaft hole for fixing with drive shaft The bolt hole tight fit connect.Therefore the specific implementation of above-mentioned fixture is just not listed one by one, and the purpose of core is to lead to It crosses existing clamp system and realizes being fixed temporarily for front cover 1 and rear cover 2, and is easy to disassemble after the completion of welding.

What needs to be explained here is that in the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " cross To ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship of the instructions such as "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, unless separately There is clearly specific restriction.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.

Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

For a person skilled in the art, after reading above description, various changes and modifications undoubtedly be will be evident. Therefore, appended claims should regard the whole variations and modifications for covering true intention and range of the invention as.It is weighing The range and content of any and all equivalences, are all considered as still belonging to the intent and scope of the invention within the scope of sharp claim.

Claims (7)

1. a kind of water pump vane, it includes front cover (1) and rear cover (2), the center of the rear cover (2) be equipped with for driving The central shaft hole (3) of axis connection, the position that central shaft hole (3) is corresponded on the front cover (1) are equipped with water inlet (4), and feature exists In: there are spacing between the front cover (1) and rear cover (2), and are equipped with several blades (5) between front cover (1) and rear cover (2), Whole blades (5) are uniformly distributed along the circumferential direction of central shaft hole (3), any blade (5) respectively with the inner sidewall of front cover (1) and after The inner sidewall of lid (2) is fixedly connected, and the water stream channel (6) that water supply stream passes through, water flow are formed between two blades (5) of arbitrary neighborhood The one end in channel (6) is connected to the water inlet (4) on front cover (1), is corresponded to where each blade (5) on the front cover (1) Position is respectively equipped with welding connecting hole (8).
2. water pump vane according to claim 1, it is characterised in that: before the blade (5) is divided into along length direction Section (5.1), middle section (5.2) and back segment (5.3), each welding connecting hole (8) respectively with the part in the middle section (5.2) of each blade (5) or It is all corresponding.
3. water pump vane according to claim 2, it is characterised in that: corresponding to welding connecting hole (8) on the blade (5) Position is equipped with chimb (9), and the chimb (9) is matched in welding connecting hole (8).
4. water pump vane according to claim 3, it is characterised in that: be equipped with First terrace in the welding connecting hole (8) (10), the chimb (9) is equipped with the second step face (11) matched with the First terrace (10).
5. water pump vane according to claim 4, it is characterised in that: the First terrace (10) and second step face (11) heat insulating belt (12) of an annular is equipped between, so that the gap between chimb (9) and welding connecting hole (8) is separated into and outside The welding section (13) of portion's environmental communication and the linkage section (14) being connected to water stream channel (6).
6. water pump vane according to claim 5, it is characterised in that: be filled with heat-resisting buffering in the linkage section (14) Layer, the resistance to Heat buffered layer extend to the orifice position that welding connecting hole (8) is located at front cover (1) lower end surface, and with front cover (1) lower end Face flushes.
7. water pump vane according to claim 6, it is characterised in that: the resistance to Heat buffered layer is by porous asbestos system At.
CN201811206718.0A 2018-10-17 2018-10-17 Water pump vane CN109185224A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811206718.0A CN109185224A (en) 2018-10-17 2018-10-17 Water pump vane

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Application Number Priority Date Filing Date Title
CN201811206718.0A CN109185224A (en) 2018-10-17 2018-10-17 Water pump vane

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Publication Number Publication Date
CN109185224A true CN109185224A (en) 2019-01-11

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CN201811206718.0A CN109185224A (en) 2018-10-17 2018-10-17 Water pump vane

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2039540U (en) * 1988-06-14 1989-06-21 程玉昆 Ceramic thermos cup
RU2244169C2 (en) * 2002-11-28 2005-01-10 Закрытое акционерное общество "Уралэлектро-К" Welded impeller of centrifugal pump
CN1714481A (en) * 2002-12-19 2005-12-28 凯瑟雷恩工厂两合公司 Electrical terminal connection, especially for connecting an outer conductor of a coaxial cable
CN201281040Y (en) * 2008-09-02 2009-07-29 安徽莱恩电泵有限公司 Punching electric pump impeller
CN201306311Y (en) * 2009-03-10 2009-09-09 福建惠丰电机有限公司 Water pump stream guidance disc
CN102927042A (en) * 2012-11-29 2013-02-13 无锡艾比德泵业有限公司 Impeller of centrifugal pump
CN103671235A (en) * 2013-12-09 2014-03-26 无锡艾比德泵业有限公司 Impeller convenient to weld and position
CN203746965U (en) * 2013-12-31 2014-07-30 惠州比亚迪电池有限公司 Electrode terminal, battery cover plate assembly with electrode terminal, battery and battery pack
JP2018031309A (en) * 2016-08-25 2018-03-01 アイシン精機株式会社 Pump rotor and method for manufacturing pump rotor
CN108223443A (en) * 2018-04-04 2018-06-29 中山大洋电机股份有限公司 A kind of wind wheel and its air blower of application

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2039540U (en) * 1988-06-14 1989-06-21 程玉昆 Ceramic thermos cup
RU2244169C2 (en) * 2002-11-28 2005-01-10 Закрытое акционерное общество "Уралэлектро-К" Welded impeller of centrifugal pump
CN1714481A (en) * 2002-12-19 2005-12-28 凯瑟雷恩工厂两合公司 Electrical terminal connection, especially for connecting an outer conductor of a coaxial cable
CN201281040Y (en) * 2008-09-02 2009-07-29 安徽莱恩电泵有限公司 Punching electric pump impeller
CN201306311Y (en) * 2009-03-10 2009-09-09 福建惠丰电机有限公司 Water pump stream guidance disc
CN102927042A (en) * 2012-11-29 2013-02-13 无锡艾比德泵业有限公司 Impeller of centrifugal pump
CN103671235A (en) * 2013-12-09 2014-03-26 无锡艾比德泵业有限公司 Impeller convenient to weld and position
CN203746965U (en) * 2013-12-31 2014-07-30 惠州比亚迪电池有限公司 Electrode terminal, battery cover plate assembly with electrode terminal, battery and battery pack
JP2018031309A (en) * 2016-08-25 2018-03-01 アイシン精機株式会社 Pump rotor and method for manufacturing pump rotor
CN108223443A (en) * 2018-04-04 2018-06-29 中山大洋电机股份有限公司 A kind of wind wheel and its air blower of application

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