CN206126982U - Impeller of aeration oxygen -increasing machine - Google Patents

Abstract

The utility model provides an impeller of aeration oxygen -increasing machine belongs to aquaculture technical field. It has solved the lower technical problem of waiting of current impeller of aeration oxygen -increasing machine aeration rate. This impeller of aeration oxygen -increasing machine includes intake pipe and A disc -shaped's vane wheel, is equipped with a plurality of air flues in the vane wheel, and the gas outlet of a plurality of air flues is located the global of vane wheel, and vane wheel's middle part has the cavity, and the intake pipe is fixed at vane wheel's middle part and intake pipe and cavity intercommunication, and the air inlet and cavity intercommunication, the cross sectional area that the air flue is close to one section air inlet of air flue are less than the cross sectional area that the air flue is close to gas outlet one end. The utility model has the advantages of improve the aeration rate of impeller.

Description

A kind of impeller of aeration oxygen increasing machine

Technical field

This utility model belongs to technical field of aquaculture, is related to a kind of impeller of aeration oxygen increasing machine.

Background technology

Aquatic products are the important food sources of people, the reduction of abatement and marine product now with lake river, wild Raw aquatic products are fewer and feweri, therefore the scale of aquaculture product is increasing.Aquaculture product is in the culturing pool of closing Carry out, in order to ensure the oxygen content of water body in culturing pool, typically using aerator come oxygen supplement.

The species of aerator is more, at present more generally immersible aerator, such as new disclosed in Chinese patent literature Type immersible aerator【Authorization Notice No. CN202005205U】, comprising submersible motor, air tank, sealing ring, rotary blade, electricity Source line, external trachea, metal triangular support；Submersible motor is fixed on the top of metal triangular support, and its upper end is connected with electricity Source line, air tank is arranged on the lower end of submersible motor, and air tank lower end is provided with the company of rotary blade, air tank and rotary blade The place of connecing is provided with sealing ring, and one end of external trachea is connected to air tank.Wheel rotation is rotated by submersible motor, is rotated Wheel rotation is that the centrifugal force for producing throws away air to form negative pressure, and air is real from external trachea, air tank suction rotary blade Now lasting gas transmission；The centrifugal force that the aerator of the type is rotated by impeller is realizing aeration, therefore impeller needs to turn at a high speed It is dynamic, and the impeller in the patent adopts leaf structure, in wheel rotation by the resistance of water between each blade, therefore Greatly, impeller is also difficult to high-speed rotation to the resistance being subject to during wheel rotation.

In order to solve the above problems, Chinese patent literature also discloses a kind of oxygen increasing pump【Authorization Notice No. CN2408679Y】, the sprue arranged in pump impeller, the pump impeller entrance and exit in sprue is vertical distribution.Although pump impeller Rotary resistance is reduced for plate-like, but needs to turn a right angle, therefore air stream when air is in from pump impeller entrance to outlet The dynamic resistance being subject to is larger, causes the flow velocity of air in sprue relatively low, further, the size phase at pump impeller entrance and exit Together, the negative pressure difference in sprue is less, cause air from pump wheel entrance flow to exit power it is less, cause the stream of air Speed is relatively low, and the relatively low air thrown away from exit that directly results in of the flow velocity of air is less, causes aeration rate relatively low.

The content of the invention

The purpose of this utility model is there are the problems referred to above for existing technology, it is proposed that a kind of leaf of aeration oxygen increasing machine Wheel, the technical problem that this utility model is solved is to improve the aeration rate of impeller.

The purpose of this utility model can be realized by following technical proposal：

A kind of impeller of aeration oxygen increasing machine, including air inlet pipe and impeller body in the form of annular discs, set in the impeller body The gas outlet for having some air flues, some air flues is located on the side face of impeller body, it is characterised in that the impeller body Middle part has cavity, and the air inlet pipe is fixed on the middle part of impeller body and air inlet pipe is connected with cavity, the air inlet of the air flue Mouthful connect with cavity, the air flue is less than cross section of the air flue near one section of gas outlet near the cross-sectional area of one section of air inlet Area.

When in use impeller is located in culturing pool and by motor drive rotation, air during wheel rotation in air flue can be with Wheel rotation, under the influence of centrifugal force the air in air flue can be thrown out of from the gas outlet of air flue, now formed in air flue Air in negative pressure, therefore cavity can be constantly inhaled in air flue, be finally thrown out of in culturing pool from gas outlet, realize exposing Gas oxygen supplement；The cross section of air flue refers to the section vertical with air flue bearing of trend；Air is inhaled into again in air flue by cavity, empty The volume in chamber is larger so that air is easier to enter air flue, and the flow of air flue is improved in wheel rotation；The impeller sheet when rotating Linear velocity size on body gradually increases from the center of impeller body to the edge of impeller body, at air flue gas outlet Centrifugal force that air is subject to is maximum, and the space at the gas outlet of air flue is larger, the space at the air inlet of air flue compared with It is little, can quickly be thrown out of because centrifugal force is big positioned at the air at air flue gas outlet, due at the gas outlet of air flue Space it is larger, therefore the negative pressure for being formed is larger, and the space that goes out of air inlet near air flue is less and centrifugal force is less, therefore The negative pressure of formation is relatively small, by the upper negative pressure caused in air flue near gas outlet more than the negative pressure at air inlet, makes The air obtained in air flue faster flows to gas outlet from the air inlet of air flue, also just improves empty in air flue in wheel rotation The flow of gas, thus more air in the unit interval can be caused to be thrown out of in culturing pool from the gas outlet of air flue, therefore Aeration rate can be improved；Impeller body in the form of annular discs is less by the resistance of water when rotating, therefore can improve the rotation of impeller Speed, the negative pressure also allowed in air flue is bigger so that the gas flow of air flue is bigger, improves aeration rate.

In the impeller of above-mentioned aeration oxygen increasing machine, the cross-sectional area of the air flue gradually becomes from air inlet to gas outlet Greatly.The structure causes negative pressure of the impeller body when rotating in air flue gradually to increase at gas outlet from air inlet, air Flow velocity gradually increases from the air inlet of air flue to gas outlet so that the air in air flue is faster flowed to from the air inlet of air flue Gas outlet, also just improves the flow of the air in air flue in wheel rotation so that more air are from air flue in the unit interval Gas outlet be thrown out of in culturing pool, therefore aeration rate can be improved.

In the impeller of above-mentioned aeration oxygen increasing machine, the air flue is divided into Connectivity Section, joining section and air outlet section, described Air inlet is located at the port of Connectivity Section, and the gas outlet is located at the port of air outlet section, and the Connectivity Section and air inlet section are linear Distribution, the joining section is distributed in circular arc, and the angle between the Connectivity Section and air outlet section is obtuse angle.Air flue be divided into Connectivity Section, The layout of joining section and air outlet section can cause the air in air flue to be easier to be thrown away from gas outlet in wheel rotation；Connectivity Section is Air enters a section of air flue from cavity, and linear distributing Connectivity Section enables the unobstructed entrance Connectivity Section of air, reduces Air enters the resistance of air flue；Air outlet section throws away a section of impeller body for air, and air can be at a high speed to outlet in air outlet section Mouthful flow out, linear distributing air outlet section enables that air is unobstructed to be thrown away from gas outlet；Joining section in circular arc distribution makes Obtain air resistance when passing through less；The structure of air flue causes air air flue to be entered in the case of resistance is less and by gas Road, improves the flow velocity of air in air flue so that the gas flow of air flue is further improved, final further raising aeration rate.

In the impeller of above-mentioned aeration oxygen increasing machine, the impeller body includes rounded chassis and rounded interior Plate, the inner panel and chassis recline and fix, the central raised formation resigning convex portion of the inner panel, the resigning convex portion and chassis Between form above-mentioned cavity, be provided with intercommunicating pore on the resigning convex portion, the air inlet pipe is fixed at intercommunicating pore and air inlet pipe There is gap between inner and chassis, some convex tendons in bar shaped are also convexed to form on the inner panel, the inner of the convex tendon with Resigning convex portion connects, and the outer end of the convex tendon is located at the edge of inner panel, and above-mentioned air flue is formed between the convex tendon and chassis.Convex tendon The Connectivity Section of the structure above-mentioned air flue of correspondence, joining section and air outlet section, impeller body forms gas by the structure of chassis and inner panel Road and cavity, simple structure is easy to process；Can cause the thickness of impeller body less by the structure, impeller body can be reduced The resistance being subject to when rotating, and then the velocity of rotation of impeller body can be improved, improve aeration rate.

In the impeller of above-mentioned aeration oxygen increasing machine, the convex tendon near inner panel side width size along convex tendon length side To all same, the convex tendon becomes larger from the inner of convex tendon away from the width size of inner panel side to the outer end of convex tendon.It is above-mentioned Structure causes the inner chamber of convex tendon gradually to increase to the outer end of convex tendon from the inner of convex tendon, therefore the gas formed between convex tendon and chassis The cross section in road also just gradually increases from air inlet to gas outlet so that the structure of air flue can improve aeration rate；Convex tendon can pass through It is stamped and formed out, the convex tendon of the structure is easier in molding so that production is more convenient, has saved production cost.

In the impeller of above-mentioned aeration oxygen increasing machine, the resigning convex portion and convex tendon on inner panel by being stamped and formed out.Punching Swaging into resigning convex portion and convex rib structure it is stable, can guarantee that the structure of cavity and air flue is steady when impeller is located in deeper water It is fixed so that air stable can throw away, it is ensured that the aeration efficiency in compared with deep water.

In the impeller of above-mentioned aeration oxygen increasing machine, the middle part on the chassis convexes to form resigning to the side away from inner panel Recess, the resigning recess is oppositely arranged with resigning convex portion.The structure can increase the volume of cavity so that cavity can accommodate more Air, in aeration, the cavity of large volume causes air to be easier to enter air flue, further increases the flow of air flue, carries High-strength aeration.

In the impeller of above-mentioned aeration oxygen increasing machine, the impeller body also includes rounded cover plate, the cover plate Edge has closing flange, and the cover plate is fixed on inner panel and with convex tendon against being provided with the middle part of the cover plate and intercommunicating pore The fixing hole of alignment, the air inlet pipe passes through fixing hole, and the chassis and inner panel are respectively positioned on the inner side of closing flange and chassis The edge of edge and inner panel reclines fixation with closing flange, is provided with the closing flange some with air flue gas outlet one One corresponding breach, the breach aligns with corresponding gas outlet.Cover plate and convex tendon between cover plate and inner panel against that is, having There is interval so that the quality of impeller body is less；Simultaneously that the upper and lower end face of impeller body is is smooth cover plate and chassis Plane, reduces impeller body when rotating by the resistance of water；Therefore the less impeller body velocity of rotation of quality faster, can be entered One step improves the flow of air in air flue, improves aeration rate；Closing flange can close at the interval between cover plate and inner panel, it is to avoid Water is entered, and reduces resistance when rotating.

In the impeller of above-mentioned aeration oxygen increasing machine, the middle part of the cover plate has raised rib, the fixing hole It is opened on rib, there is gap between the rib and resigning convex portion, the outer wall of the air inlet pipe is interior with fixing hole The recline fixed and outer wall of air inlet pipe and the inwall of intercommunicating pore of wall reclines fixation.Due to during impeller body high-speed rotation by water Resistance is larger, is connected by air inlet pipe between impeller body and motor, and air inlet pipe is bigger with the bonding strength of impeller body, impeller It is higher that the rotating speed of body can be arranged, and air inlet pipe is fixed with rib and resigning convex portion, the interval of rib and resigning convex portion compared with Greatly, can be more stable and it be firmly fixed air inlet pipe so that bigger twisting resistance can be born between air inlet pipe and impeller body, also Impeller body rotating speed can be caused higher, aeration rate is further improved.

In the impeller of above-mentioned aeration oxygen increasing machine, the rib is by being stamped and formed out on the cover board.It is stamped and formed out Rib can increase the comprcssive strength of cover plate and ensure the lightweight of cover plate so that keep when impeller body is located in deeper water Tabular, reduces the resistance that is subject to when impeller body is rotated so that impeller body at deeper water still can high-speed rotation, protect Card improves aeration rate.

Compared with prior art, the impeller of this aeration oxygen increasing machine has between air inlet and the gas outlet by improving air flue The difference of negative pressure improving the flow of air, so as to improve the advantage of aeration rate during wheel rotation.

Description of the drawings

Fig. 1 is the dimensional structure diagram of this impeller.

Fig. 2 is the explosive view of this impeller.

Fig. 3 is the side structure schematic view of this impeller.

Fig. 4 is the cross section structure diagram of A-A in Fig. 3.

Fig. 5 is longitudinal cross section structure diagram of impeller.

Fig. 6 is the dimensional structure diagram of cover plate.

Fig. 7 is the dimensional structure diagram of inner panel.

Fig. 8 is the present invention looks up structural representation of inner panel.

Fig. 9 is the dimensional structure diagram on chassis.

Figure 10 is impeller and use state figure during motor connection.

In figure, 1, air inlet pipe；2nd, impeller body；21st, cavity；22nd, air flue；221st, gas outlet；222nd, air inlet；223rd, even Logical section；224th, joining section；225th, air outlet section；3rd, chassis；31st, resigning recess；4th, inner panel；41st, resigning convex portion；411st, intercommunicating pore； 42nd, convex tendon；5th, cover plate；51st, flange is closed；511st, breach；52nd, rib；521st, fixing hole；6th, motor；61st, breather.

Specific embodiment

The following is specific embodiment of the utility model and combine accompanying drawing, further is made to the technical solution of the utility model Description, but this utility model is not limited to these embodiments.

As shown in Figure 1 to Figure 3, the impeller of aeration oxygen increasing machine includes air inlet pipe 1 and impeller body 2 in the form of annular discs, impeller Body 2 includes rounded chassis 3 and rounded inner panel 4, and inner panel 4 reclines and fixed with chassis 3.

As shown in Fig. 4 and Fig. 5 and Fig. 7 and Fig. 8, resigning convex portion 41 and some in the convex of bar shaped is stamped and formed out on inner panel 4 Muscle 42, resigning convex portion 41 is located at the middle part of inner panel 4, and the middle part on chassis 3 convexes to form resigning recess to the side away from inner panel 4 31, resigning recess 31 is oppositely arranged with resigning convex portion 41, and cavity 21 is formed between resigning convex portion 41 and resigning recess 31.Convex tendon 42 The inner be connected with resigning convex portion 41, the outer end of convex tendon 42 is located at the edge of inner panel 4, and between convex tendon 42 and chassis 3 air flue is formed 22, the gas outlet 221 of some air flues 22 is located on the side face of impeller body 2, and the air inlet 222 of air flue 22 is connected with cavity 21. As shown in Figure 4 and Figure 8, convex tendon 42 near the width size of the side of inner panel 4 along the length direction all same of convex tendon 42, convex tendon 42 away from The width size of the side of inner panel 4 becomes larger from the inner of convex tendon 42 to the outer end of convex tendon 42.Caused by the structure of convex tendon 42 Air flue 22 near 222 1 sections of air inlet cross-sectional area less than air flue 22 near the cross-sectional area of 221 1 sections of gas outlet, make For preferred, the cross-sectional area of air flue 22 becomes larger from air inlet 222 to gas outlet 221.Air flue 22 is divided into Connectivity Section 223rd, joining section 224 and air outlet section 225, air inlet 222 is located at the port of Connectivity Section 223, and gas outlet 221 is located at air outlet section 225 Port, Connectivity Section 223 and air inlet section be linearly distributed, and joining section 224 is distributed in circular arc, Connectivity Section 223 and air outlet section 225 Between angle be obtuse angle, the structure of convex tendon 42 is corresponding with the Connectivity Section 223 of air flue 22, joining section 224 and air outlet section 225.

As shown in Figures 4 to 6, impeller body 2 also includes rounded cover plate 5, and the edge of cover plate 5 has closing flange 51, cover plate 5 is fixed on inner panel 4 and with convex tendon 42 against that is, having interval, chassis 3 and interior between cover plate 5 and inner panel 4 Plate 4 is respectively positioned on the inner side of closing flange 51 and the edge of the edge on chassis 3 and inner panel 4 and reclines fixation with closing flange 51, Some and the one-to-one breach 511 in air flue 22 gas outlet 221, breach 511 and corresponding outlet are provided with closing flange 51 Mouth 221 aligns.

As shown in Fig. 5, Fig. 8 and Fig. 9, intercommunicating pore 411 is provided with resigning convex portion 41, the middle part of cover plate 5 is stamped and formed out projection Rib 52, the fixing hole 521 alignd with intercommunicating pore 411 is provided with rib 52, between rib 52 and resigning convex portion 41 With gap so that air inlet pipe 1 is connected with cavity 21, the outer wall of air inlet pipe 1 reclines with the inwall of fixing hole 521 and fixes and air inlet The outer wall of pipe 1 and the inwall of intercommunicating pore 411 recline fixation.As shown in Figure 10, aeration oxygen increasing machine includes motor 6, the motor of motor 6 There is inlet channel, inlet channel connects with breather 61 on axle, the upper end of breather 61 on the water surface, impeller pass through into Trachea 1 is fixed with the motor shaft of motor 6, and inlet channel is connected with air inlet pipe 1, breather 61, inlet channel, air inlet pipe 1, cavity 21 and air flue 22 formed air circulation passage.

When in use impeller is located in culturing pool, and impeller is rotated under the drive of motor 6, during wheel rotation in air flue 22 Air can be with wheel rotation, and under the influence of centrifugal force the air in air flue 22 can be thrown out of from the gas outlet 221 of air flue 22, Negative pressure is now formed in air flue 22, therefore air can constantly pass sequentially through breather 61, inlet channel, air inlet pipe 1 and cavity 21 are inhaled in air flue 22, are finally thrown out of in culturing pool from gas outlet 221, realize aeration oxygen replenishing；Air passes through cavity 21 are inhaled into again in air flue 22, and the volume of cavity 21 is larger so that air easily enters air flue 22, improves in wheel rotation The flow of air flue 22；Linear velocity size when rotating on impeller body 2 is from the center of impeller body 2 to the side of impeller body 2 Along gradually increasing, the centrifugal force being subject to therefore in air at the gas outlet 221 of air flue 22 is maximum, near the gas outlet of air flue 22 Space at 221 is larger, and the space at the air inlet 222 of air flue 22 is less, positioned at the gas outlet 221 of air flue 22 Air can quickly be thrown out of because centrifugal force is big, due near air flue 22 gas outlet 221 at space it is larger, therefore formed Negative pressure is larger, and the space that goes out of air inlet 222 near air flue 22 is less and centrifugal force is less, therefore the negative pressure for being formed is relatively It is little, by the upper negative pressure caused in air flue 22 near gas outlet 221 more than the negative pressure at air inlet 222 so that air flue 22 Interior air faster flows to gas outlet 221 from the air inlet 222 of air flue 22, also just improves the air flue 22 in wheel rotation The flow of interior air, thus more air in the unit interval can be caused to be thrown out of into cultivation from the gas outlet 221 of air flue 22 In pond, therefore aeration rate can be improved.

Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute Category those skilled in the art can make various modifications to described specific embodiment or supplement or using similar Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims (10)

1. a kind of impeller of aeration oxygen increasing machine, including air inlet pipe (1) and impeller body (2) in the form of annular discs, the impeller body (2) in be provided with some air flues (22), the gas outlet (221) of some air flues (22) on the side face of impeller body (2), its It is characterised by, the middle part of the impeller body (2) has cavity (21), and the air inlet pipe (1) is fixed in impeller body (2) Portion and air inlet pipe (1) is connected with cavity (21), the air inlet (222) of the air flue (22) is connected with cavity (21), the air flue (22) cross-sectional area near (222) one sections of air inlet is less than cross section face of the air flue (22) near (221) one sections of gas outlet Product.

2. the impeller of aeration oxygen increasing machine according to claim 1, it is characterised in that the cross-sectional area of the air flue (22) Become larger to gas outlet (221) from air inlet (222).

3. the impeller of aeration oxygen increasing machine according to claim 1, it is characterised in that the air flue (22) is divided into connection Section (223), joining section (224) and air outlet section (225), the air inlet (222) positioned at the port of Connectivity Section (223), it is described go out QI KOU (221) is linearly distributed positioned at the port of air outlet section (225), the Connectivity Section (223) and air inlet section, the joining section (224) it is distributed in circular arc, the angle between the Connectivity Section (223) and air outlet section (225) is obtuse angle.

4. the impeller of the aeration oxygen increasing machine according to claim 1 or 2 or 3, it is characterised in that impeller body (2) bag Rounded chassis (3) and rounded inner panel (4) are included, the inner panel (4) reclines and fixed with chassis (3), the inner panel (4) Central raised formation resigning convex portion (41), above-mentioned cavity (21) is formed between the resigning convex portion (41) and chassis (3), it is described It is provided with intercommunicating pore (411) on resigning convex portion (41), the air inlet pipe (1) is fixed on the interior of intercommunicating pore (411) place and air inlet pipe (1) There is gap between end and chassis (3), some convex tendons (42) in bar shaped, the convex tendon are also convexed to form on the inner panel (4) (42) the inner is connected with resigning convex portion (41), and the outer end of the convex tendon (42) is located at the edge of inner panel (4), the convex tendon (42) Above-mentioned air flue (22) is formed between chassis (3).

5. the impeller of aeration oxygen increasing machine according to claim 4, it is characterised in that the convex tendon (42) is near inner panel (4) The width size of side is along convex tendon (42) length direction all same, width size of the convex tendon (42) away from inner panel (4) side Outer end from from the inner of convex tendon (42) to convex tendon (42) becomes larger.

6. the impeller of aeration oxygen increasing machine according to claim 4, it is characterised in that the resigning convex portion (41) and convex tendon (42) by being stamped and formed out on inner panel (4).

7. the impeller of aeration oxygen increasing machine according to claim 4, it is characterised in that the middle part of the chassis (3) to away from The side of inner panel (4) convexes to form resigning recess (31), and the resigning recess (31) is oppositely arranged with resigning convex portion (41).

8. the impeller of aeration oxygen increasing machine according to claim 4, it is characterised in that the impeller body (2) also include be in Circular cover plate (5), the edge of the cover plate (5) has closing flange (51), the cover plate (5) be fixed on inner panel (4) and With convex tendon (42) against being provided with the fixing hole (521) alignd with intercommunicating pore (411), the air inlet pipe in the middle part of the cover plate (5) (1) through fixing hole (521), the chassis (3) and inner panel (4) are respectively positioned on the inner side of closing flange (51) and the side of chassis (3) Along and the edge of inner panel (4) recline fixation with closing flange (51), be provided with some and air flue on the closing flange (51) (22) the one-to-one breach (511) in gas outlet (221), the breach (511) is alignd with corresponding gas outlet (221).

9. the impeller of aeration oxygen increasing machine according to claim 8, it is characterised in that the middle part of the cover plate (5) has convex The rib (52) for rising, the fixing hole (521) is opened on rib (52), the rib (52) and resigning convex portion (41) Between there is gap, the outer wall of the air inlet pipe (1) and the inwall of fixing hole (521) recline the outer wall of fixed and air inlet pipe (1) Recline fixation with the inwall of intercommunicating pore (411).

10. the impeller of aeration oxygen increasing machine according to claim 9, it is characterised in that the rib (52) is by lid Plate is stamped and formed out on (5).