CN209638100U

CN209638100U - A kind of pump housing drive end bearing bracket, the pump housing and magnetic drive pump

Info

Publication number: CN209638100U
Application number: CN201821636159.2U
Authority: CN
Inventors: 胡辉
Original assignee: Zhejiang Madain Billion Pump Co
Current assignee: Zhejiang Madain Billion Pump Co
Priority date: 2018-10-09
Filing date: 2018-10-09
Publication date: 2019-11-15
Anticipated expiration: 2028-10-09

Abstract

The utility model discloses a kind of pump housing drive end bearing bracket, the pump housing and magnetic drive pump, pump housing drive end bearing bracket includes end cap ontology, input pipe, efferent duct and locating rack, the side of end cap ontology is equipped with cavity, input pipe and efferent duct are all set to the outside of end cap ontology and are all connected with cavity, locating rack extends in cavity out of input pipe, locating rack includes positioning table for connecting with pump shaft and several are connected to positioning table outer wall and input the stabilizer blade between inside pipe wall, positioning table, one is enclosed between end cap ontology and any two stabilizer blade for being connected to the channel of cavity and input pipe, positioning table is equipped with the drainage hole for being connected to the first mounting hole for matching with pump shaft and being connected to the first mounting hole and input pipe with cavity.Drainage hole is connected with the first mounting hole on positioning table in the utility model, the liquid being flowed into the first mounting hole can be discharged, while the cooling pump shaft that reduces enables entire magnetic drive pump to run well because of the temperature generated when friction.

Description

A kind of pump housing drive end bearing bracket, the pump housing and magnetic drive pump

Technical field

The utility model relates to magnetic drive pump technical field of structures more particularly to a kind of pump housing drive end bearing brackets, the pump housing and magnetic drive pump.

Background technique

In magnetic drive pump, the temperature of pump shaft and impeller friction generation is mainly gathered on pump shaft, and pump shaft is to be fixed on to determine In the subsequent pump shaft detent of frame of position, liquid enters from pump housing entrance, will be on pump shaft then by heat by the principle of heat exchange Heat is taken out of from pump housing outlet, finally plays cooling and protects the effect of magnetic drive pump, still, due to being between pump shaft and locating rack Detent connection, some liquid can be remained at the detent between pump shaft and locating rack and can not be discharged, and then influence entire magnetic force The normal operation of pump.

Utility model content

For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of pump housing drive end bearing bracket, the pump housing and The technical issues of magnetic drive pump, which solve in existing magnetic drive pump, the residual liquid at pump shaft and locating rack detent can not be discharged.

The utility model adopts the following technical solution realizes:

The utility model provides a kind of pump housing drive end bearing bracket, including end cap ontology, input pipe, efferent duct and locating rack, The side of the end cap ontology is equipped with cavity, the input pipe and efferent duct be all set to the outside of the end cap ontology and all with institute Cavity is stated to be connected, the locating rack is extended to out of described input pipe in the cavity, the locating rack include for pump The positioning table of axis connection and several be connected to the positioning table outer wall and it is described input inside pipe wall between stabilizer blade, the positioning One is enclosed between stabilizer blade described in platform, end cap ontology and any two for being connected to the logical of the cavity and the input pipe Road, the positioning table be equipped with the cavity be connected to for being matched with pump shaft the first mounting hole and connection described the The drainage hole of one mounting hole and the input pipe.

Further, the stabilizer blade, the positioning table and described this body by integral forming of end cap.

Further, first mounting hole be blind hole, inner wall include the first hole bottom surface and with first hole bottom surface The first hole side for being connected of outer edge, first hole side include two be spaced the first arcwall face being oppositely arranged and Two are spaced the first plane being oppositely arranged, and the both ends of two first arcwall faces are connect with two first planes respectively, institute It states drainage hole to be extended from the direction that first bottom hole faces away from the cavity, the aperture of the drainage hole is less than described The aperture of first mounting hole.

Further, the cavity has the accent for opening wide setting and the bottom of chamber face being oppositely arranged with the accent interval, The bottom of chamber face is equipped with the second mounting hole for matching with preceding thrust ring, and the inner wall of second mounting hole includes second Hole bottom surface and the second hole side being connected with edge except the bottom surface of second hole, second hole side include two intervals The second plane that the second arcwall face being oppositely arranged and two intervals are oppositely arranged, the both ends difference of two second arcwall faces It is connect with two second planes, the input pipe is extended from the direction that second bottom hole faces away from the cavity.

Further, the end cap ontology includes end plate, the boss and multiple spacer rings for being convexly equipped in the end plate side It is around in the outer peripheral lug of the end plate, the cavity is recessed from the end plate towards the boss, the input pipe and described Efferent duct is all connect with the boss, be additionally provided on the one side back to the boss of the end plate connection cavity with The turbine runner of the efferent duct.

Further, multiple kidney-shapeds for wearing for fastener are provided on the lug to perforate.

Further, at least two are additionally provided on each lug for preventing the triangle of the end cap body distortion Groove, triangular groove described in every two are set to the two sides of a kidney-shaped perforation.

Further, the end cap ontology further includes multiple ribs being spirally distributed, rib described in every two all from The boss extends on the lug；And/or

The efferent duct is equipped with the card slot for being mutually clasped with outlet(discharge) flange connector.

The utility model additionally provides a kind of pump housing, including pump seat, pump shaft, impeller, outlet(discharge) flange connector, suction flange Connector, the magnetic force component being fixedly connected with the impeller and pump housing drive end bearing bracket as described above, the outlet(discharge) flange connect Fitting is connect with the efferent duct, and the suction flange connector is connect with the input pipe, and the pump housing drive end bearing bracket is covered on It is enclosed accommodating chamber on the pump seat and with the pump seat, the pump shaft, impeller and magnetic force component are all located at the accommodating chamber It is interior, and one end of the pump shaft is installed in first mounting hole, the other end of the impeller and the pump shaft is rotatablely connected.

The utility model additionally provides a kind of magnetic drive pump, including driving mechanism and the pump housing as described above, the pump Magnetic force component on body is connect with the output end of the driving mechanism.

Compared with prior art, the utility model has the beneficial effects that:

The utility model is connected by being provided with drainage hole, drainage hole on positioning table with the first mounting hole on positioning table It is logical, the liquid being flowed into the first mounting hole can be discharged, dispose the residual liquid being flowed into the first mounting hole, simultaneously The cooling pump shaft that reduces enables entire magnetic drive pump to run well because of the temperature generated when friction.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of one angle of the utility model embodiment pump housing drive end bearing bracket；

Fig. 2 is the partial enlargement diagram in Fig. 1 at A；

Fig. 3 is the structural schematic diagram of another angle of the utility model embodiment pump housing drive end bearing bracket；

Fig. 4 is that pump shaft and preceding thrust ring are installed on the structural schematic diagram on pump housing drive end bearing bracket；

Fig. 5 is the structural schematic diagram of magnetic drive pump；

Fig. 6 is the cross-sectional view of magnetic drive pump.

In figure: 10, end cap ontology；11, cavity；111, accent；112, bottom of chamber face；1121, the second mounting hole；1122, Two holes bottom surface；1123, the second hole side；1124, the second arcwall face；1125, the second plane；12, end plate；121, kidney-shaped is perforated； 122, triangular groove；13, boss；14, turbine runner；15, lug；16, rib；20, input pipe；30, efferent duct；31, block Slot；40, locating rack；41, positioning table；411, the first mounting hole；4111, the first hole bottom surface；4112, the first hole side；4113, First arcwall face；4114, the first plane；412, drainage hole；42, stabilizer blade；43, channel；50, pump seat；60, pump shaft；70, impeller； 80, outlet(discharge) flange connector；90, suction flange connector；100, magnetic force component；200, driving mechanism；300, preceding thrust ring.

Specific embodiment

In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new Embodiment.

As shown in figures 1 to 6, the utility model provides a kind of pump housing drive end bearing bracket, pump housing drive end bearing bracket include end cap ontology 10, The side of input pipe 20, efferent duct 30 and locating rack 40, end cap ontology 10 is equipped with cavity 11, and input pipe 20 and efferent duct 30 are all Set on end cap ontology 10 outside and be all connected with cavity 11, locating rack 40 is extended out of input pipe 20 in cavity 11, fixed Position frame 40 includes positioning table 41 and several stabilizer blades 42, and for connecting with pump shaft 60, several stabilizer blades 42 are connected to positioning table 41 Between 20 inner wall of 41 outer wall of positioning table and input pipe, shape is enclosed between positioning table 41, end cap ontology 10 and any two stabilizer blade 42 At one for being connected to the channel 43 of cavity 11 Yu input pipe 20, positioning table 41 is used for equipped with being connected to cavity 11 and pump shaft The drainage hole 412 of 60 the first mounting holes 411 matched and the first mounting hole of connection 411 and input pipe 20, is flowed into first Liquid in mounting hole 411 can be discharged along drainage hole 412, simultaneously because the other end of pump shaft 60 and the rotation of impeller 70 connect It connects, the temperature of pump shaft 60 and the friction generation of impeller 70 is mainly gathered on pump shaft 60, and heat and liquid can carry out heat on pump shaft 60 Exchange, heat are taken out of from efferent duct 30 by liquid, and the cooling pump shaft 60 that reduces finally reduces magnetic force because of the temperature generated when friction The temperature of pump enables entire magnetic drive pump to run well.

As preferred embodiment, stabilizer blade 42, positioning table 41 and end cap ontology 10 are integrally formed, this is integrally using new The Technology design that type fluid software and machine software combine can bear the liquid negative pressure at input pipe 20 and bear liquid institute herein Bring impact force, is effective against the torsion generated when impeller 70 rotates, and the damage for avoiding magnetic force pump cavitation from generating can be solved effectively Certainly the problem of pump housing high failure rate.

First mounting hole 411 is blind hole, and inner wall includes the first hole bottom surface 4111 and the first hole side 4112, the first hole side Face 4112 is connected with the outer edge of the first hole bottom surface 4111, and the first hole side 4112 includes two and is spaced first be oppositely arranged Arcwall face 4113 and two are spaced the first plane 4114 being oppositely arranged, and the both ends of two first arcwall faces 4113 are respectively with two the One plane 4114 connects, and the first mounting hole 411 in the present embodiment is equipped with axle center retaining structure, to increase the first mounting hole 411 firmness cooperates the two-sided retaining structure on pump shaft 60, so that pump shaft 60 at work will not be with impeller 70 simultaneously Rotation, and guarantee that pump shaft 60 will not be deviate from from the first mounting hole 411, drainage hole 412 is from the first hole bottom surface 4111 towards far from recessed The direction of chamber 11 is extended, the aperture of the aperture of drainage hole 412 less than the first mounting hole 411.

Cavity 11 has the accent 111 for opening wide setting and is spaced the bottom of chamber face 112 being oppositely arranged, bottom of chamber face with accent 111 112 are equipped with the second mounting hole 1121, and the second mounting hole 1121 with preceding thrust ring 300 for matching, the second mounting hole 1121 Inner wall include the second hole bottom surface 1122 and the second hole side 1123, the outside of the second hole side 1123 and the second hole bottom surface 1122 Edge is connected, and the second hole side 1123 includes that the second arcwall face 1124 that two intervals are oppositely arranged and two intervals are set relatively The second plane 1125 set, the both ends of two second arcwall faces 1124 are connect with two second planes 1125 respectively, and preceding thrust ring 300 is set There is the holding section matched with the second mounting hole 1121, in a particular application, pump housing drive end bearing bracket is before injection molding first by preceding thrust ring 300 are placed in mold to be molded, and thrust ring 300 before sizing material wraps is molded in injection moulding process, after sizing material is cooling, because The relationship expanded with heat and contract with cold, so that preceding thrust ring 300 is fixed in the second mounting hole 1121, input pipe 20 is from the second hole bottom surface 1122 are extended towards the direction far from cavity 11.

As preferred embodiment, end cap ontology 10 includes end plate 12, boss 13 and multiple lugs 15, multiple lugs For 15 spacer rings around the outer edge for being set to end plate 12, boss 13 is convexly equipped in the side of end plate 12, and cavity 11 is from end plate 12 towards convex Platform 13 is recessed, and input pipe 20 and efferent duct 30 are all connect with boss 13, also sets up on the one side back to boss 13 of end plate 12 There is turbine runner 14, turbine runner 14 is connected to cavity 11 and efferent duct 30, and turbine runner 14 can be the stream of liquid in cavity 11 It is dynamic to increase pressure, while increasing flow, to realize being substantially improved for the magnetic force efficiency of pump.

Multiple kidney-shaped perforation 121 for wearing for fastener are provided on lug 15, so that bolt is before installing the pump housing It can be moved freely when end cap, to solve the problems, such as to cause pump housing drive end bearing bracket that can not install because of pepe standard difference.

Pump housing drive end bearing bracket is plastic cement material production, and plastic cement, can be with high temperature, in the mistake of natural cooling in rigid completion injection molding When in journey, plastic cement can generate contraction, if it is solid, then the power shunk will be without place release, before will lead to the pump housing End cap deformation, so that pump housing drive end bearing bracket size is inaccurate, surface irregularity etc. is additionally provided at least on each lug 15 in the present embodiment Two triangular grooves 122 for preventing end cap ontology 10 from deforming, every two triangular groove 122 are set to a kidney-shaped perforation 121 two sides, to prevent plastic cement from leading to the deformation of the pump housing drive end bearing bracket due to the not design of stress elimination during cooling, Triangular groove 122 can eliminate the stress generated when material cooling, discharge stress of the plastic cement in natural cooling.

As preferred embodiment, end cap ontology 10 further includes multiple ribs 16 being spirally distributed, each rib 16 The hand of spiral it is identical as the stress direction that pump housing drive end bearing bracket generates at work, the durable journey of pump housing drive end bearing bracket can be significantly increased Degree, every two rib 16 all extend on a lug 15 from boss 13, and unique double muscle enhancing designs can be promoted significantly The upper limit of ability to bear and the design of pump housing drive end bearing bracket to pump housing drive end bearing bracket internal pressure is the more high-power of chemical pump and bigger Pressure provides reference.

Efferent duct 30 is equipped with the card slot 31 for being clasped with 80 phase of outlet(discharge) flange connector, and efferent duct 30 uses The design of integral type ne-leakage, no longer uses threaded connection design, can prevent plastic cement from leading to showing for chemical liquid leakage because of harmomegathus As.

The utility model additionally provides a kind of pump housing of magnetic drive pump, including pump seat 50, pump shaft 60, impeller 70 and efferent duct The outlet(discharge) flange connector 80 of 30 connections, is fixedly connected with impeller 70 the suction flange connector 90 connecting with input pipe 20 Magnetic force component 100 and pump housing drive end bearing bracket as described above, pump housing drive end bearing bracket are covered on pump seat 50 and enclose with pump seat 50 Accommodating chamber is formed, pump shaft 60, impeller 70 and magnetic force component 100 are all located in accommodating chamber, and one end of pump shaft 60 is installed on first In mounting hole 411, the other end of impeller 70 and pump shaft 60 is rotatablely connected.

As seen in figs. 5-6, the utility model additionally provides a kind of magnetic drive pump, including driving mechanism 200 and such as above-mentioned institute The pump housing stated, the magnetic force component 100 on the pump housing are connect with the output end of driving mechanism 200, the driving mechanism 200 in the present embodiment Preferably motor.

The working principle of magnetic drive pump are as follows: the output end in driving mechanism 200 drives magnetic force component 100 to rotate first, magnetic force 100 impeller 70 of component rotates together, and pump shaft 60 does not rotate, and liquid can flow to defeated under the drive of impeller 70 from input pipe 20 Outlet pipe 30.

In conclusion the utility model on positioning table 41 by being provided with drainage hole 412, drainage hole 412 and positioning table The first mounting hole 411 on 41 is connected, and the liquid being flowed into the first mounting hole 411 can be discharged, dispose and be flowed into Residual liquid in first mounting hole 411, while the cooling pump shaft 60 that reduces is because of the temperature that generates when friction, so that entire magnetic drive pump It can run well.

Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to In the utility model range claimed.

Claims

1. a kind of pump housing drive end bearing bracket, it is characterised in that: including end cap ontology, input pipe, efferent duct and locating rack, the end cap The side of ontology is equipped with cavity, the input pipe and efferent duct be all set to the outside of the end cap ontology and all with the cavity phase Connection, the locating rack are extended to out of described input pipe in the cavity, and the locating rack includes for connecting with pump shaft Positioning table and several be connected to the positioning table outer wall and it is described input inside pipe wall between stabilizer blade, the positioning table, end cap The channel for being used to be connected to the cavity Yu the input pipe is enclosed between stabilizer blade described in ontology and any two, it is described Positioning table, which is equipped with, to be connected to the first mounting hole for matching with pump shaft with the cavity and is connected to first installation The drainage hole in hole and the input pipe.

2. pump housing drive end bearing bracket according to claim 1, which is characterized in that the stabilizer blade, the positioning table and the end cap This body by integral forming.

3. pump housing drive end bearing bracket according to claim 1, which is characterized in that first mounting hole is blind hole, inner wall packet The the first hole side for including the first hole bottom surface and being connected with edge except the bottom surface of first hole, first hole side include two The first plane that the first arcwall face and two intervals that a interval is oppositely arranged are oppositely arranged, the two of two first arcwall faces End is connect with two first planes respectively, and the drainage hole extends from the direction that first bottom hole faces away from the cavity Setting, the aperture of the drainage hole are less than the aperture of first mounting hole.

4. pump housing drive end bearing bracket according to claim 3, which is characterized in that the cavity have open wide setting accent and with The bottom of chamber face that the accent interval is oppositely arranged, the bottom of chamber face are equipped with the second installation for matching with preceding thrust ring Hole, the inner wall of second mounting hole include the second hole bottom surface and the second hole for being connected with edge except the bottom surface of second hole Side, second hole side include that the second arcwall face that two intervals are oppositely arranged and two are spaced second be oppositely arranged Plane, the both ends of two second arcwall faces are connect with two second planes respectively, and the input pipe is from second bottom hole The direction for facing away from the cavity is extended.

5. pump housing drive end bearing bracket according to claim 4, which is characterized in that the end cap ontology includes end plate, is convexly equipped in institute The boss and multiple intervals for stating end plate side are surrounded on the outer peripheral lug of the end plate, and the cavity is from the end plate direction The boss is recessed, and the input pipe and the efferent duct are all connect with the boss, the end plate back to the boss The turbine runner for being connected to the cavity and the efferent duct is additionally provided on one side.

6. pump housing drive end bearing bracket according to claim 5, which is characterized in that be provided on the lug multiple for for fastening The kidney-shaped perforation that part is worn.

7. pump housing drive end bearing bracket according to claim 6, which is characterized in that be additionally provided at least two use on each lug In the triangular groove for preventing the end cap body distortion, triangular groove described in every two is set to the kidney-shaped perforation Two sides.

8. pump housing drive end bearing bracket according to claim 7, which is characterized in that the end cap ontology further include it is multiple in the shape of a spiral The rib of distribution, rib described in every two all extend on the lug from the boss；And/or

9. a kind of pump housing, which is characterized in that including pump seat, pump shaft, impeller, outlet(discharge) flange connector, suction flange connector, with The magnetic force component and such as described in any item pump housing drive end bearing brackets of claim 1-8 that the impeller is fixedly connected, the outlet method Blue connector is connect with the efferent duct, and the suction flange connector is connect with the input pipe, the pump housing drive end bearing bracket lid It is enclosed accommodating chamber together on the pump seat and with the pump seat, the pump shaft, impeller and magnetic force component are all located at the appearance Receive intracavitary, and one end of the pump shaft is installed in first mounting hole, and the other end of the impeller and the pump shaft rotates Connection.

10. a kind of magnetic drive pump, it is characterised in that: including driving mechanism and the pump housing as claimed in claim 9, on the pump housing Magnetic force component connect with the output end of the driving mechanism.