CN207033777U - Impeller drives pumping with the adjustable no axle envelope magnetic in pump case gap - Google Patents

Abstract

A kind of impeller drives pumping with the adjustable no axle envelope magnetic in pump case gap, and for traditional axle envelope pumping to be adapted as into glandlesspump Pu, it can readily adapt to traditional pumping.It includes：One impeller, it is configured in the pump case to be installed；One cover plate, close the pump case；Rotating shaft in one, connect the impeller；One dismountable Bearning mechanism, it is coated on the outside of the interior rotating shaft；The cover plate forms a threaded perforation of tool；One section on the Bearning mechanism has screw thread and is intermeshed with the screw thread of the perforation；When rotating the Bearning mechanism, even if it is moved axially relative to the cover plate, and changes the interior rotating shaft and the position of the impeller, and can accurately adjust the gap between the impeller and the inside pump casing；One internal rotor, the interior rotating shaft is connected, driven by an outer rotor with magnetic means；The internal rotor, the interior rotating shaft and the Bearning mechanism are sealed by a cage and isolated with the outer rotor.

Description

Impeller drives pumping with the adjustable no axle envelope magnetic in pump case gap

Technical field

Pumping field is the utility model is related to, for traditional axle envelope pumping to be adapted as into glandlesspump Pu, it can be easy Adaptation tradition pumping, without whole group pumping is changed completely, while leaf can be easily adjusted by engaging structure and positioning hole Gap between wheel and pump case.Especially a kind of impeller drives pumping with the adjustable no axle envelope magnetic in pump case gap.

Background technology

Traditional pumping, which mainly includes a pump case, has hollow space, and the pump case includes an input pipe and an efferent duct connects The hollow space.One impeller is located in the hollow space, and one end of the impeller connects one end of a rotating shaft, the other end of the rotating shaft Pass outside the pump case, and connect the drive mechanism of rear end, when the drive mechanism drives the rotating shaft to rotate, the impeller can be driven to revolve Turn, and then drive the liquid in the pump case, liquid is pushed to the efferent duct by the pump case from the input pipe, reaches conveying liquid The purpose of body.

But the rotating shaft of traditional pumping is typically to coat the rotating shaft with axle envelope mechanism, to prevent liquid from connecting the pump by the rotating shaft Spilt at shell, but the problem of this mode can not prevent liquid leakage, pumping inter deterioration, nothing can be caused after liquid leakage Method normal operation, the service life reduction of total system is caused, and need often to change, therefore add overall maintenance cost.And The liquid of leakage will also result in VOC (volatile organic compound) pollution problem, cause greenhouse effects, environmental pollution, and The health hazards that its toxicity will also result in live related personnel is for example carcinogenic etc..Or the liquid unit price in pumping is at a relatively high, therefore Once leakage is also required to pay great amount of cost replacing.Although having twin shaft sealing mechanism at present to be used to improve leaked liquid, but still nothing Method is fully effective to prevent leaked liquid problem.

The present inventor had previously had pointed out a kind of repacking formula that can readily adapt to traditional pumping and has driven pumping knot without axle envelope magnetic Structure, with improve it is above-mentioned in the prior art the defects of.It is but main during gap of the impeller of this pumping configuration between adjustment and pump case If the axle envelope mechanism of impeller rear end in a manner of multiple screws carry out three-point fix, to adjust between impeller and pump case Gap, and this mode needs to carry out the positioning operation of each point position individually, is very easy to produce error, it is accurate therefore, it is difficult to reach It is determined that position, and the gap between impeller and pump case corresponding to each anchor point must be measured respectively using measuring tool in addition, The gap between impeller and pump case, therefore operationally also more complicated inconvenience can be just learnt, also expends a large amount of activity durations, no Beneficial to the operational paradigm of whole system.

Therefore the utility model wishes to propose that a kind of brand-new impeller drives pumping with the adjustable no axle envelope magnetic in pump case gap, with Solves the defects of prior art.

Utility model content

So the purpose of this utility model is solve the problems, such as in above-mentioned prior art, proposed in the utility model a kind of The adjustable no axle envelope magnetic in impeller and pump case gap drives pumping, and for traditional axle envelope pumping to be adapted as into glandlesspump Pu, it can be with Traditional pumping is readily adapted to, without whole group pumping is changed completely.The utility model applied magnetic rotating mechanism drives pumping The interior rotating shaft of internal impeller, within rotating shaft need not extend to the drive mechanism of rear end, and a connection can be completely sealed in In the cage of the pumping, therefore interior rotating shaft need not be extended into the cage using traditional axle envelope mechanism, on the whole may be used Effectively to prevent leaked liquid.And the integration component of rotating shaft and magnetic rotating mechanism in whole in the utility model, can be with Traditional pumping is adapted to, so only needing to unload the rotating shaft associated components of traditional pumping, you can change the outfit of the present utility model interior Rotating shaft and magnetic rotating mechanism, without the drive mechanism for changing traditional pumping rotating shaft rear end, so entirety of the present utility model Structure can readily adapt to traditional pumping, it is not necessary to change whole group pumping completely, therefore overall build is greatly reduced Cost.No shaft seal design of the present utility model can extend the service life of whole pumping；And the utility model is used to coat The Bearning mechanism of the interior rotating shaft is dismountable, is easily changed and repairs, therefore when the Bearning mechanism damages, it is only necessary to by the axle Hold mechanism and pull down and changed, therefore overall maintenance cost and maintenance time can be greatly reduced.And this practicality The new position of engagement that can be adjusted by the positioning hole on cover plate between the Bearning mechanism and the cover plate, without using additional means Auxiliary can accurately reach the impeller and the gap of the inside pump casing adjusts, and operationally quite convenient and quick, can be big Width shortens the overall activity duration, is advantageous to the operational paradigm of whole system；This can not reach in the prior art.

To reach above-mentioned purpose, propose that a kind of impeller drives pump with the adjustable no axle envelope magnetic in pump case gap in the utility model Pu, for an axle envelope pumping to be adapted as into glandlesspump Pu, it can readily adapt to the axle envelope pumping, without by whole group axle envelope Pumping is changed completely；The pump case to be installed is connected to without the drive pumping of axle envelope magnetic with card box Bearning mechanism, is used for Drive the liquid in the transfer pipeline that the pump case connected；The pump case has hollow space and right-hand member forms opening；There should be card Box Bearning mechanism includes without the drive pumping of axle envelope magnetic：One impeller, it is configured in the pump case, it is defeated for driving the pump case to connect Send the liquid in pipeline；One cover plate, closed installed in the opening of the pump case right-hand member；The cover plate centre forms one and worn Hole；Rotating shaft in one, about cylindrical structure, its left end connect the impeller, and right-hand member is then extended by the mouth of wearing of the cover plate；When this During interior rotating shaft rotation the impeller can be driven to rotate；One Bearning mechanism, about in tubular construction, it is coated on the outside of the interior rotating shaft, the axle Hold mechanism and the cover plate is connected in a manner of removable；On the outside of one magnetic rotating mechanism, including an internal rotor and the circular internal rotor Outer rotor, the internal rotor and the outer rotor have magnetic；Wherein the internal rotor connects the interior rotating shaft and does not contact the bearing machine Structure, the outer rotor connect the drive mechanism of rear end and do not contact the internal rotor；When the drive mechanism drives the outer rotor to rotate, The mode of the outer rotor application magnetic force drives the internal rotor to rotate, and drives the interior rotating shaft and the impeller to rotate, and pushes the pump Liquid in shell；One cage, there is hollow space, connect on the outside of the cover plate, cladding seals the internal rotor, the interior rotating shaft and is somebody's turn to do Bearning mechanism so that the internal rotor, the interior rotating shaft and the Bearning mechanism can be mutually isolated with the outer rotor；Wherein the cage is not Contact the internal rotor, the interior rotating shaft and the Bearning mechanism；Therefore the liquid flowing inside the pump case may be limited to the isolation In cover, without leaking to inside the outer rotor.One section wherein in the perforation of the cover plate has screw thread；The wherein bearing machine One section on the outside of structure has screw thread, and is intermeshed with the screw thread of the perforation of the cover plate；Wherein when the rotation Bearning mechanism When, the Bearning mechanism moves axially relative to the cover plate, and adjusts the position of engagement of the Bearning mechanism so that the bearing The position for the interior rotating shaft that mechanism is connected changes, and changes the position of the impeller, therefore can adjust the impeller and the pump case Gap between inner side.

Wherein, the perforation of the cover plate forms the endless inner wall inside contracted in the left side of its screw thread, has in the endless inner wall Multiple positioning holes；

Wherein one section of the Bearning mechanism outwards expands and forms a loop connecting portion, and the screw thread of the Bearning mechanism is located at the ring One section on the outside of shape connecting portion；At least one pair of perforation is wherein formed in the loop connecting portion through the loop connecting portion The left and right sides；

When rotating the Bearning mechanism, the difference perforated by the contraposition in the endless inner wall of the alignment cover plate positions Hole, the Bearning mechanism can be controlled to engage the depth of the perforation of the cover plate, and accurately control the Bearning mechanism in the cover plate The perforation in the position of engagement, and change the position of the impeller, between accurately adjusting between the impeller and the inside pump casing Gap；Wherein contraposition perforation often moves alignment a positioning hole and represents the Bearning mechanism one fixed distance of movement, therefore applies The positioning hole that institute's spiral passes through is the displacement for being able to know that the Bearning mechanism；

Wherein each contraposition perforation and each positioning hole have screw thread, and the mode that each contraposition is punched through screw locking connects its institute The positioning hole of alignment, and the Bearning mechanism is fixed on the cover plate.

Wherein, equidistant arrangement is formed between each positioning hole.

Wherein, the pump case includes an inner cover plate, and the inner cover plate is located at the inside pump casing, in the mounted state the inner cover plate position In the left side of the impeller；When adjusting the position of engagement of the Bearning mechanism, you can adjust the inner cover plate of the impeller and the pump case Between gap.

Wherein, right-hand member forms an at least groove on the outside of the Bearning mechanism.

Wherein, the Bearning mechanism includes beam barrel in one and coats an outer beam barrel of the interior beam barrel；The wherein interior beam barrel cladding And the interior rotating shaft is fixed in, and the interior beam barrel can rotate relative to the outer beam barrel；One end of the outer beam barrel is fixed in the lid The side of plate；Therefore when the interior rotating shaft rotates, the interior beam barrel rotation can be driven, and the outer beam barrel does not rotate then；The bearing machine Structure is dismountable, therefore when the Bearning mechanism damages, it is only necessary to the Bearning mechanism is pulled down and changed.

Wherein, the interior beam barrel and the outer beam barrel are nested against one another in a manner of chimeric so that the interior beam barrel will not be outer relative to this Beam barrel moves axially, and can fix the axial location of the interior rotating shaft, with axially position；Wherein in the interior axle tube outer surface Section forms a cyclic lug, and the outer shaft medial wall of the tube face forms the annular recess portion of an indent, the cyclic lug and the ring Shape depressed part is fitted together to mutually；The left and right sides in the annular recess portion, the ring are wherein resisted against at left and right sides of the cyclic lug Gap is formed between the interior sidewall surface in the outer side surface of shape protuberance and the annular recess portion.

Wherein, the interior beam barrel is the tubular structure with hollow space, including an inner sleeve, is coated on the outside of the inner sleeve One collar and two axle sleeves；Wherein the inner sleeve right-hand member, which is formed, expands position, and wherein the interior rotating shaft right-hand member, which is formed, expands position, Under installment state, the interior rotating shaft connects the expansion position of the inner sleeve using its expansion position；Wherein the collar has ring-type knot Structure, coat the inner sleeve outer surface middle section；Two axle sleeves connect the left and right sides of the collar respectively, and two axle sleeves lean on The annular ledges for being formed and being expanded at the collar are closely connected, the wherein annular ledges external diameter of two axle sleeves is equal to the outer of the collar Footpath, therefore the annular ledges of two axle sleeves form the cyclic lug with the collar.

Wherein, the outer beam barrel is the tubular structure with hollow space, including a left outside beam barrel positioned at left-external side, is located at Right outside and connect a right outer beam barrel of the left outside beam barrel and two sleeve pipes positioned at inner side；The wherein left outside beam barrel and the right side The left and right ends of outer beam barrel all form opening, and two sleeve pipes have cyclic structure, respectively in the left outside beam barrel and the right side In outer beam barrel, the annular recess portion is formed between two sleeve pipes.

Wherein, the outside right-hand member of the left outside beam barrel forms an outer shroud expanded；The outside left end shape of beam barrel wherein outside the right side The outer shroud expanded into one, and interconnected with the outer shroud of the left outside beam barrel and form the loop connecting portion of the Bearning mechanism；Its In the screw thread of the Bearning mechanism be located on the outer shroud of the left outside beam barrel.

Brief description of the drawings

Fig. 1 is component combination stereogram of the present utility model.

Fig. 2 is the stereogram of component of the present utility model combination one pump case of connection.

Fig. 3 A are Fig. 2 component combination section.

Fig. 3 B are Fig. 3 A partial schematic diagram.

Fig. 3 C are Fig. 3 A another close-up schematic view.

Fig. 4 is Fig. 2 primary clustering exploded view.

Fig. 5 is that cover plate of the present utility model and Bearning mechanism see the schematic diagram regarded by right side.

Fig. 6 A are Bearning mechanism stereogram of the present utility model.

Fig. 6 B are the component exploded view of Bearning mechanism of the present utility model.

Fig. 7 is interior beam barrel profile of the present utility model.

Fig. 8 is outer beam barrel profile of the present utility model.

Fig. 9 is Bearning mechanism profile of the present utility model.

Figure 10 is application schematic diagram of the present utility model.

Figure 11 is another component combination stereogram of the present utility model.

Symbol description

2- pump cases

3- input pipes

4- efferent ducts

5- drive mechanisms

10- impellers

20- cover plates

21- perforates

22- ring spacers

25- inner cover plates

Rotating shaft in 30-

31- expands position

40- Bearning mechanisms

Beam barrel in 41-

The outer beam barrels of 42-

The 43- collars

50- magnetic rotating mechanisms

51- internal rotors

52- outer rotors

60- cages

61- is open

70- pedestals

71- axis holes

72- outer shafts

73- hollow structures

80- connected spaces

90- circulation perforation

212- screw threads

214- endless inner walls

216- positioning holes

401- grooves

410- cyclic lugs

411- inner sleeves

412- collars

413- axle sleeves

414- expands position

415- annular ledges

420- annular recess portion

The left outside beam barrels of 421-

The right outer beam barrels of 422-

423- sleeve pipes

424- grooves

425- second grooves

511- internal magnets

521- external magnets

522- is open

800- loop connectings portion

802- screw threads

804- contraposition perforation

4211- outer shrouds

4221- outer shrouds

4225- lockholes.

Embodiment

Feature and its advantage of the present utility model can be further understood that by the description below, during reading and refer to attached Figure.

Now with regard to structure composition of the present utility model, and the effect of can be generated and advantage, coordinate accompanying drawing, enumerate this practicality newly One preferred embodiment of type describes in detail as follows.

It refer to shown in Fig. 1 to Figure 10, be that impeller of the present utility model drives pumping with the adjustable no axle envelope magnetic in pump case gap, The pump case 2 to be installed is connected to, for driving the liquid in the transfer pipeline that the pump case 2 connected；The pump case 2 includes One input pipe 3 and an efferent duct 4, and connect the input pipe 3 and the efferent duct 4 with hollow space.The right-hand member of pump case 2 is formed and opened Mouthful.Driving pumping without axle envelope magnetic with card box Bearning mechanism includes following assemblies：

One impeller 10, it is configured in the pump case 2, the liquid in transfer pipeline for driving the pump case 2 connection.

One cover plate 20, closed installed in the opening of the right-hand member of pump case 2.The centre of cover plate 20 forms a perforation 21.Preferably, the junction of the cover plate 20 and the pump case 2 are interfaced with by a ring spacer 22.

Rotating shaft 30 in one, about cylindrical structure, its left end connect the impeller 10, and right-hand member is then prolonged by the mouth of wearing of the cover plate 20 Stretch.When the interior rotating shaft 30 rotates the impeller 10 can be driven to rotate.

One Bearning mechanism 40, about in tubular construction, the interior outside of rotating shaft 30 is coated on, the Bearning mechanism 40 is with removable Mode connects the cover plate 20.As shown in Figure 6A, the Bearning mechanism 40 include one in beam barrel 41 and coat the interior beam barrel 41 one outside Beam barrel 42.Wherein the interior beam barrel 41 coats and is fixed in the interior rotating shaft 30, and the interior beam barrel 41 can be made relative to the outer beam barrel 42 Rotation；One end of the outer beam barrel 42 is fixed in the side of the cover plate 20.Therefore when the interior rotating shaft 30 rotates, the interior axle can be driven Cylinder 41 rotates, and the outer beam barrel 42 does not rotate then.

One magnetic rotating mechanism 50, including an internal rotor 51 and the outer rotor 52 around the outside of internal rotor 51, this interior turn Son 51 and the outer rotor 52 have magnetic.Wherein the internal rotor 51 connects the interior rotating shaft 30 and does not contact the Bearning mechanism 40, should Outer rotor 52 connects the original drive mechanism 5 in rear end and does not contact the internal rotor 51.The general drive mechanism 5 is motor.

When the drive mechanism 5 drives the outer rotor 52 rotation, the mode of the outer rotor 52 application magnetic force drives this interior turn Son 51 rotates, and drives the interior rotating shaft 30 and the impeller 10 to rotate, and pushes the liquid in the pump case 2, by liquid by the input Pipe 3 is conveyed toward the efferent duct 4.

One cage 60, there is hollow space, connect the outside of cover plate 20, cladding seals the internal rotor 51, the interior rotating shaft 30 and the Bearning mechanism 40 so that the internal rotor 51, the interior rotating shaft 30 and the Bearning mechanism 40 can mutually be separated by with the outer rotor 52 From.Wherein the cage 60 does not contact the internal rotor 51, the interior rotating shaft 30 and the Bearning mechanism 40.Therefore inside the pump case 2 Liquid flowing may be limited in the cage 60, without leaking to inside the outer rotor 52.

The gap that wherein Bearning mechanism 40 connects between the cover plate 20 is adjustable, therefore adjusts the Bearning mechanism 40 and connect When connecing the gap between the cover plate 20, you can adjust the impeller 10 and the gap of the inner side of pump case 2.

As shown in Fig. 3 B, Fig. 3 C and Fig. 5, one section wherein in the perforation 21 of the cover plate 20 has screw thread 212.Wherein should One section on the outside of Bearning mechanism 40 has a screw thread 802 (as shown in Figure 6A), and with the screw thread 212 of the perforation 21 of the cover plate 20 Intermesh.Wherein when rotating the Bearning mechanism 40, the Bearning mechanism 40 moves axially relative to the cover plate 20, and Adjust the position of engagement of the Bearning mechanism 40 so that the position for the interior rotating shaft 30 that the Bearning mechanism 40 is connected changes, and changes Become the position of the impeller 10, therefore the gap between the impeller 10 and the inner side of pump case 2 can be adjusted.

Wherein perforation 21 of the cover plate 20 forms the endless inner wall 214 that inside contracts in the left side of its screw thread 212, in the ring-type There are multiple positioning holes 216 on wall 214.The quantity of preferably's positioning hole 216 is 24, wherein shape between each positioning hole 216 Into equidistant arrangement.Wherein the positioning hole 216 is the shallow slot not through the cover plate 20.

Wherein one section of the Bearning mechanism 40 outwards expands and forms a loop connecting portion 800, the screw thread of the Bearning mechanism 40 802 are located at one section on the outside in the loop connecting portion 800.

The left and right two that at least one pair of perforation 804 runs through the loop connecting portion 800 is wherein formed in the loop connecting portion 800 Side.As shown in Figure 3 C, when rotating the Bearning mechanism 40, the endless inner wall for the cover plate 20 that alignd by contraposition perforation 804 Different positioning holes 216 on 214, the Bearning mechanism 40 can be controlled to engage the depth of the perforation 21 of the cover plate 20, and it is accurate The position of engagement in the perforation 21 of the cover plate 20 of the control Bearning mechanism 40, and change the position of the impeller 10, reach Accurately adjust the purpose in the gap between the impeller 10 and the inner side of pump case 2.Wherein often mobile alignment is certain for contraposition perforation 804 Position hole 216 represents the Bearning mechanism 40 and moves a fixed distance, therefore operator can be directly using institute's spiral process Positioning hole 216 and easily know the displacement of the Bearning mechanism 40, and there is at a relatively high accuracy and precision, be not required to Will be by the auxiliary of other instruments.Wherein the outside right-hand member of Bearning mechanism 40 forms an at least groove 401.

Wherein each contraposition perforation 804 and each positioning hole 216 have screw thread, the side that each contraposition perforation 804 is locked by screw Formula connects its positioning hole 216 to be alignd, and the Bearning mechanism 40 is fixed on the cover plate 20.

As shown in figure 11, the utility model can also be applied to the pump case 2 with internal cover plate, and the wherein pump case 2 includes One inner cover plate 25 is located at the inner side of pump case 2, and the inner cover plate 25 is located at the left side of the impeller 10 in the mounted state.When the adjustment axle When holding the position of engagement of mechanism 40, you can adjust the gap between the impeller 10 and the inner cover plate 25 of the pump case 2.

By above-mentioned structure, when the magnetic rotating mechanism 50 drives the impeller 10 push liquid, liquid can be limited System is in the cage 60, without leaking to the outer rotor 52 and the drive mechanism 5；It is and when mounted, former without changing The pump case 2 and the transfer pipeline of correlation having, and the rotating speed of the magnetic rotating mechanism 50 output and original driving machine The rotating speed that structure 5 exports is identical, therefore can maintain identical driving force, so also without changing the drive mechanism 5, therefore it is whole Body to build cost quite cheap.And the Bearning mechanism 40 is dismountable, therefore when the Bearning mechanism 40 damages, it is only necessary to The Bearning mechanism 40 is pulled down and changed, therefore overall maintenance cost and maintenance time can be greatly reduced.

One pedestal 70 connects the pump case 2, for coating the outer rotor 52 and the cage 60.The pedestal 70 is close to the cover plate 20 sides form the hollow structure 73 of indent, for enveloping the outer rotor 52 and the cage 60.The wherein hollow structure 73 Madial wall and the outer rotor 52 lateral wall between form gap, therefore be not directly contacted with the outer rotor 52.The pedestal 70 is remote Side from the cover plate 20 forms the hollow structure 73 of an axis hole 71 connection pedestal 70.The pedestal 70 can by it is single or multiple not Formed with component.

Wherein the outer rotor 52 connects the drive mechanism 5 by an outer shaft 72, and the outer shaft 72 is installed on the pedestal 70 Interior, its one end connects the outer rotor 52, and the other end is then extended outside the pedestal 70 by the axis hole 71 of the pedestal 70 and connects and be somebody's turn to do Drive mechanism 5.

Wherein the cage 60 has hollow space, and about in tubular construction, its left end forms opening 61, and the cage 60 is left End connects the cover plate 20, is coated on the internal rotor 51, the interior rotating shaft 30 and the outside of Bearning mechanism 40.Wherein the cage 60 is The material that endurance is high and resistivity is high is formed.

Wherein the interior beam barrel 41 and the outer beam barrel 42 are nested against one another in a manner of chimeric so that the interior beam barrel 41 will not be relative to The outer beam barrel 42 moves axially, and can fix the axial location of the interior rotating shaft 30, reaches the purpose of axially position.Such as figure Shown in 9, wherein the interior outer surface stage casing of beam barrel 41 forms a cyclic lug 410, and the outer interior sidewall surface of beam barrel 42 is formed in one Recessed annular recess portion 420, the cyclic lug 410 and the annular recess portion 420 are chimeric mutually.The wherein cyclic lug 410 left and right sides is resisted against the left and right sides in the annular recess portion 420, the outer side surface of the cyclic lug 410 and the ring Gap is formed between the interior sidewall surface of shape depressed part 420.

As shown in fig. 7, the wherein interior beam barrel 41 is the tubular structure with hollow space, including an inner sleeve 411, cladding One collar 412 and two axle sleeves 413 in the outside of inner sleeve 411.Wherein the right-hand member of inner sleeve 411, which is formed, expands position 414, its In the interior right-hand member of rotating shaft 30 formed and expand position 31, in the mounted state, the interior application of rotating shaft 30 its expand the connection of position 414 should The expansion position 31 of inner sleeve 411.Wherein the collar 412 has cyclic structure, coats the outer surface middle section of inner sleeve 411. Two axle sleeves 413 connect the left and right sides of the collar 412, and shape at the close connection collar 412 of two axle sleeves 413 respectively Into the annular ledges 415 of expansion, the external diameter of annular ledges 415 of wherein two axle sleeves 413 is approximately equal to the external diameter of the collar 412, Therefore the annular ledges 415 of two axle sleeves 413 form the cyclic lug 410 with the collar 412.

As shown in figure 8, wherein the outer beam barrel 42 is the tubular structure with hollow space, including positioned at a left side of left-external side Outer beam barrel 421, positioned at right outside and connect a right outer beam barrel 422 of the left outside beam barrel 421 and two sleeve pipes positioned at inner side 423.Wherein the left and right ends of beam barrel 422 all form opening outside the left outside beam barrel 421 and the right side, and two sleeve pipes 423 have ring Shape structure, it is recessed to form the ring-type between two sleeve pipes 423 in beam barrel 422 in the left outside beam barrel 421 and outside the right side respectively Fall into portion 420.The outside right-hand member of the wherein left outside beam barrel 421 forms an outer shroud 4211 expanded.Beam barrel 422 is outer wherein outside the right side Side left end forms an outer shroud 4221 expanded, and is interconnected with the outer shroud 4211 of the left outside beam barrel 421 and form the bearing machine The loop connecting portion 800 of structure 40.Wherein the screw thread 802 of the Bearning mechanism 40 is located on the outer shroud 4211 of the left outside beam barrel 421.

With having multiple lockholes on the outer shroud 4221 of beam barrel 422 outside the right side wherein on the outer shroud 4211 of the left outside beam barrel 421 4225, assembling when the left outside beam barrel 421 outer shroud 4211 on lockhole 4225 and the right side outside beam barrel 422 outer shroud 4221 on Lockhole 4225 interconnects by way of screw (not shown) locks.

Preferably, two interior sidewall surfaces of sleeve pipe 423 form multiple grooves 424 of annular arrangement, and the plurality of groove 424 is about Parallel to the axial direction of the outer beam barrel 42.Wherein two sleeve pipes 423 also form multiple second grooves 425, by two sleeve pipes 423 Connect the plurality of groove 424 axially along radially extending.

Preferably, two axle sleeves 413 and two sleeve pipes 423 are formed for ceramic material.

Preferably, the Bearning mechanism 40 connect one collar 43 of configuration at the cover plate 20 and surround the impeller 10 and the interior beam barrel 41 at the perforation 21 of the cover plate 20, abrasion when can reduce the impeller 10 and the interior rotation of beam barrel 41 to the perforation 21, And the capacity of returns of liquid in the pump case 2 can be limited.

Wherein the internal rotor 51 has annular sidewall, and the right-hand member of the interior rotating shaft 30 connects the internal rotor 51.The internal rotor 51 Including multiple internal magnets 511, along the outer side surface of the internal rotor 51 around arrangement in a manner of magnetic pole intermeshes.This interior turn The interior sidewall surface of son 51 surrounds the Bearning mechanism 40, and forms gap between the lateral wall of the Bearning mechanism 40.

Wherein the outer rotor 52 is the tubular structure with hollow space, and its left end forms opening 522, the outer rotor 52 Interior sidewall surface surrounds the internal rotor 51 and forms gap between the lateral wall of the internal rotor 51.The outer rotor 52 includes multiple External magnet 521, arrangement is surround along the interior sidewall surface in the outer rotor 52 in a manner of magnetic pole intermeshes.

Between between gap, the cage 60 and the Bearning mechanism 40 wherein between the cage 60 and the internal rotor 51 Gap between gap and the internal rotor 51 and the Bearning mechanism 40 interconnects to form a connected space 80.

Peripheral region on the cover plate 20 close to the impeller 10 also forms multiple circulation perforation 90, and circulation perforation 90 runs through should Cover plate 20 and connect the connected space 80.

Under operating state, the liquid in the pump case 2 can flow into the connected space 80 by circulation perforation 90, then pass through Guiding is returned in the pump case 2 at the perforation 21 of the cover plate 20, and its purpose radiates for providing the cage 60, and is provided and be somebody's turn to do The internal heat dissipating of Bearning mechanism 40 and lubricant effect.

The utility model is used to traditional axle envelope pumping being adapted as glandlesspump Pu, and it can readily adapt to conventional pump Pu, without whole group pumping is changed completely.The utility model applied magnetic rotating mechanism drives the interior rotating shaft of pumping internal impeller, Within rotating shaft need not extend to the drive mechanism of rear end, and can be completely sealed in the cage of the connection pumping, Therefore interior rotating shaft need not be extended into the cage using traditional axle envelope mechanism, effectively can prevented on the whole outside liquid Let out.And the integration component of rotating shaft and magnetic rotating mechanism in whole in the utility model, is adapted to traditional pumping, so Only need to unload the rotating shaft associated components of traditional pumping, you can change the outfit interior rotating shaft of the present utility model and magnetic rotating mechanism, Without the drive mechanism for changing traditional pumping rotating shaft rear end, so overall structure of the present utility model can readily adapt to pass The pumping of system, it is not necessary to whole group pumping is changed completely, therefore is greatly reduced and overall builds cost.It is of the present utility model shaftless Envelope design can extend the service life of whole pumping；And the utility model is used to coating the Bearning mechanism of the interior rotating shaft for can Reassembling type, it is easily changed and repairs, therefore when the Bearning mechanism damages, it is only necessary to the Bearning mechanism is pulled down and changed i.e. Can, therefore overall maintenance cost and maintenance time can be greatly reduced.And the utility model can be by determining on cover plate Position hole adjusts the position of engagement between the Bearning mechanism and the cover plate, can accurately reach the leaf without using additional means auxiliary Wheel and the gap of the inside pump casing adjust, and operationally quite convenient and quick, can significantly shorten the overall activity duration, Be advantageous to the operational paradigm of whole system；This can not reach in the prior art.

In summary, the design of consideration of the utility model hommization, quite meets actual demand.It specifically improves existing skill The defects of art, substantially there is breakthrough progress advantage compared to prior art, there is the enhancement of effect really, and non-be easy to reach Into.The utility model does not disclose or is exposed in domestic document and in the market with foreign countries, has met the regulation of Patent Law.

Above-mentioned detailed description is illustrating for a possible embodiments of the present utility model, but the embodiment is not used To limit the scope of protection of the utility model, all equivalence enforcements or change without departing from carried out by the utility model skill spirit, It should be contained in the scope of protection of the utility model.

Claims (10)

1. a kind of impeller drives pumping with the adjustable no axle envelope magnetic in pump case gap, it is characterised in that for an axle envelope pumping to be reequiped For glandlesspump Pu, it can readily adapt to the axle envelope pumping, without the pumping of whole group axle envelope is changed completely；With card box Bearning mechanism is connected to the pump case to be installed without the drive pumping of axle envelope magnetic, for the delivery pipe for driving the pump case to be connected Liquid in road；The pump case has hollow space and right-hand member forms opening；This has being driven without axle envelope magnetic for card box Bearning mechanism Pumping includes：

One impeller, it is configured in the pump case, the liquid in transfer pipeline for driving pump case connection；

One cover plate, closed installed in the opening of the pump case right-hand member；The cover plate centre forms a perforation；

Rotating shaft in one, cylindrical structure, its left end connect the impeller, and right-hand member is then extended by the mouth of wearing of the cover plate；When this During interior rotating shaft rotation the impeller can be driven to rotate；

One Bearning mechanism, in tubular construction, it is coated on the outside of the interior rotating shaft, the Bearning mechanism connects the lid in a manner of removable Plate；

One magnetic rotating mechanism, including an internal rotor and the outer rotor on the outside of the internal rotor, the internal rotor and the outer rotor With magnetic；Wherein the internal rotor connects the interior rotating shaft and does not contact the Bearning mechanism, and the outer rotor connects the driving machine of rear end Structure and do not contact the internal rotor；

When the drive mechanism drives the outer rotor to rotate, the mode of the outer rotor application magnetic force drives the internal rotor to rotate, and Drive the interior rotating shaft and the impeller to rotate, and push the liquid in the pump case；

One cage, there is hollow space, connect on the outside of the cover plate, cladding seals the internal rotor, the interior rotating shaft and the bearing machine Structure so that the internal rotor, the interior rotating shaft and the Bearning mechanism can be mutually isolated with the outer rotor；Wherein the cage does not contact The internal rotor, the interior rotating shaft and the Bearning mechanism；Therefore the liquid energy of flow inside the pump case is enough limited in the cage, Without leaking to inside the outer rotor；

One section wherein in the perforation of the cover plate has screw thread；One section on wherein on the outside of the Bearning mechanism has screw thread, and Intermeshed with the screw thread of the perforation of the cover plate；Wherein when rotating the Bearning mechanism, the Bearning mechanism is i.e. relative to the lid Plate moves axially, and adjusts the position of engagement of the Bearning mechanism so that the position for the interior rotating shaft that the Bearning mechanism is connected Change is put, and changes the position of the impeller, therefore the gap between the impeller and the inside pump casing can be adjusted.

2. impeller as claimed in claim 1 drives pumping with the adjustable no axle envelope magnetic in pump case gap, it is characterised in that the cover plate The perforation forms the endless inner wall inside contracted in the left side of its screw thread, has multiple positioning holes in the endless inner wall；

Wherein one section of the Bearning mechanism, which outwards expands, forms a loop connecting portion, and the screw thread of the Bearning mechanism is located at ring-type company One section on the outside of socket part；At least one pair of perforation is wherein formed in the loop connecting portion through the left and right in the loop connecting portion Both sides；

When rotating the Bearning mechanism, pass through the different positioning holes in the endless inner wall of the contraposition perforation alignment cover plate, energy Enough control the Bearning mechanism to engage the depth of the perforation of the cover plate, and accurately control the Bearning mechanism to be worn in this of the cover plate The position of engagement in hole, and change the position of the impeller, accurately to adjust the gap between the impeller and the inside pump casing；Wherein Contraposition perforation often moves alignment a positioning hole and represents the Bearning mechanism one fixed distance of movement, therefore application institute spiral warp The positioning hole crossed is able to know that the displacement of the Bearning mechanism；

Wherein each contraposition perforation and each positioning hole have screw thread, and the mode that each contraposition is punched through screw locking connects it and alignd Positioning hole, and the Bearning mechanism is fixed on the cover plate.

3. impeller as claimed in claim 2 drives pumping with the adjustable no axle envelope magnetic in pump case gap, it is characterised in that each positioning hole Between form equidistant arrangement.

4. impeller as claimed in claim 1 drives pumping with the adjustable no axle envelope magnetic in pump case gap, it is characterised in that the pump case bag An inner cover plate is included, the inner cover plate is located at the inside pump casing, and the inner cover plate is located at the left side of the impeller in the mounted state；Work as adjustment During the position of engagement of the Bearning mechanism, you can adjust the gap between the impeller and the inner cover plate of the pump case.

5. impeller as claimed in claim 1 drives pumping with the adjustable no axle envelope magnetic in pump case gap, it is characterised in that the bearing machine Right-hand member forms an at least groove on the outside of structure.

6. impeller as claimed in claim 2 drives pumping with the adjustable no axle envelope magnetic in pump case gap, it is characterised in that the bearing machine Structure includes beam barrel in one and coats an outer beam barrel of the interior beam barrel；Wherein the interior beam barrel coats and is fixed in the interior rotating shaft, and should Interior beam barrel can rotate relative to the outer beam barrel；One end of the outer beam barrel is fixed in the side of the cover plate；Therefore when this interior turn When axle rotates, the interior beam barrel rotation can be driven, and the outer beam barrel does not rotate then；The Bearning mechanism is dismountable, therefore works as and be somebody's turn to do When Bearning mechanism damages, it is only necessary to pull down the Bearning mechanism and changed.

7. impeller as claimed in claim 6 drives pumping with the adjustable no axle envelope magnetic in pump case gap, it is characterised in that the interior beam barrel With the outer beam barrel in a manner of chimeric it is nested against one another so that the interior beam barrel will not move axially relative to the outer beam barrel, and can To fix the axial location of the interior rotating shaft, with axially position；Wherein the interior axle tube outer surface stage casing forms a cyclic lug, should Outer shaft medial wall of the tube face forms the annular recess portion of an indent, and the cyclic lug and the annular recess portion are chimeric mutually；Wherein The left and right sides in the annular recess portion is resisted against at left and right sides of the cyclic lug, the outer side surface of the cyclic lug is with being somebody's turn to do Gap is formed between the interior sidewall surface in annular recess portion.

8. impeller as claimed in claim 7 drives pumping with the adjustable no axle envelope magnetic in pump case gap, it is characterised in that the interior beam barrel For the tubular structure with hollow space, including an inner sleeve, coat a collar and two axle sleeves on the outside of the inner sleeve；Wherein The inner sleeve right-hand member, which is formed, expands position, and wherein the interior rotating shaft right-hand member, which is formed, expands position, and in the mounted state, the interior rotating shaft should The expansion position of the inner sleeve is connected with its expansion position；Wherein the collar has cyclic structure, coats the inner sleeve outer surface Middle section；Two axle sleeves connect the left and right sides of the collar respectively, and two axle sleeves expand close to formation at the collar is connected Big annular ledges, wherein the annular ledges external diameter of two axle sleeves are equal to the external diameter of the collar, therefore the ring of two axle sleeves Shape bead forms the cyclic lug with the collar.

9. impeller as claimed in claim 7 drives pumping with the adjustable no axle envelope magnetic in pump case gap, it is characterised in that the outer beam barrel For the tubular structure with hollow space, including a left outside beam barrel positioned at left-external side, positioned at right outside and connect the left outside axle The right outer beam barrel of the one of cylinder and two sleeve pipes positioned at inner side；Left and right ends all shapes of beam barrel wherein outside the left outside beam barrel and the right side Into opening, two sleeve pipes have cyclic structure, respectively in the left outside beam barrel and outside the right side in beam barrel, two sleeve pipes it Between form the annular recess portion.

10. impeller as claimed in claim 9 drives pumping with the adjustable no axle envelope magnetic in pump case gap, it is characterised in that this is left outside The outside right-hand member of beam barrel forms an outer shroud expanded；The outer shroud that the outside left end formation one of beam barrel expands wherein outside the right side, and with The outer shroud of the left outside beam barrel interconnects and forms the loop connecting portion of the Bearning mechanism；The wherein screw thread position of the Bearning mechanism In on the outer shroud of the left outside beam barrel.