CN207166344U - Inner magnetic region and the magnetic drive pump for including it - Google Patents

Abstract

The utility model discloses a kind of inner magnetic region and drives pump comprising its magnetic.Inner magnetic region includes：Magnet holder；Multiple magnet, magnet are located at the outer peripheral face of magnet holder, and circumferentially-spaced distribution of multiple magnet along magnet holder；Multiple press strips, circumferentially-spaced distribution of multiple press strips along magnet holder, and the both sides of each magnet are equipped with press strip, and press strip pressure is located at magnet；And gland, gland are fixedly connected with magnet holder, and gland pressure is moved located at press strip with limiting press strip and magnet relative to magnet holder.Press strip is fixed by gland, so as to fixed magnet, to magnet installation surface precision without excessive demand, connection is reliable, easy for installation, cost is cheap.

Description

Inner magnetic region and the magnetic drive pump for including it

Technical field

It the utility model is related to a kind of inner magnetic region and drive pump comprising its magnetic.

Background technology

Magnetic, which drives pump (i.e. magnetic force driving pump), to be included：External magnetic region, cage, inner magnetic region, external magnetic region are located at outside cage, interior magnetic Drive in cage and be connected with impeller.External magnetic region cooperates with inner magnetic region, and when external magnetic region rotates, inner magnetic region is in external magnetic region Magnetic field drive under synchronous axial system, so as to which impeller rotates, the medium such as pump liquid.

Inner magnetic region includes magnet holder and magnet, and magnet is fixed on the outer peripheral face of magnet holder.In the prior art, frequently with The mode of bonding, i.e., magnet is adhered in magnet holder using glue, had as a drawback that：1) risk that magnet comes off compared with Greatly；2) requirement of gluing of surfaces is higher, causes manufacturing expense higher.

Utility model content

The technical problems to be solved in the utility model is to overcome the bonding of prior art is unreliable, costly to lack Fall into, there is provided a kind of inner magnetic region and the magnetic drive pump for including it.

The utility model is that solve above-mentioned technical problem by following technical proposals：

A kind of inner magnetic region, its feature are that it includes：

Magnet holder；

Multiple magnet, the magnet is located at the outer peripheral face of the magnet holder, and multiple magnet are along the magnet branch The circumferentially-spaced distribution of frame；

Multiple press strips, circumferentially-spaced distribution of multiple press strips along the magnet holder, and the two of each magnet Side is equipped with the press strip, and the press strip pressure is located at the magnet；And

Gland, the gland are fixedly connected with the magnet holder, and gland pressure is located at the press strip to limit State press strip and the magnet moves relative to the magnet holder.

It is preferred that the gland includes the first gland and the second gland；

Wherein, first gland includes one first end cap and multiple first clinchings, multiple first clinchings and institute State the connection of the first end cap and along the circumferentially-spaced distribution of first end cap, the first clinching pressure is located at the one of the press strip End, first end cap are fixedly connected with the end face of the magnet holder；

Second gland includes one second end cap and multiple second clinchings, multiple second clinchings and described second End cap connects and along the circumferentially-spaced distribution of second end cap, the second clinching pressure is located at the other end of the press strip, institute State the second end cap and be sheathed on the magnet holder.

Using above-mentioned setting, it is more firm that press strip is fixed.

It is preferred that first end cap is fixedly connected with the end face of the magnet holder by fastener.

Above-mentioned fastener can be threaded fastener or rivet.

It is preferred that the end face of the magnet is connected to first end cap.

Using above-mentioned setting, the first end cap further limits axial movement of the magnet along magnet holder.

It is preferred that the magnet holder includes stepped plate, the end difference has a ring surface；Wherein, the magnet End face be connected to second end cap, second end cap is connected to the ring surface, and second end cap is positioned at described Between the end face of ring surface and the magnet.

Using above-mentioned setting, the second end cap further limits axial movement of the magnet along magnet holder.

It is preferred that the direction in the axle center away from the magnet holder, the gland, institute are yearned for along the footpath of the magnet holder Press strip is stated without departing from the magnet.

Using above-mentioned setting, the interference of gland, press strip can be avoided so that the magnet of inner magnetic region and the magnet of external magnetic region it Between distance minimization.

It is preferred that along the radial direction of the magnet holder, have between the outer surface of the magnet and the outer surface of the press strip There is distance.

It is preferred that circumference of multiple magnet along the magnet holder is uniformly distributed.

It is preferred that the press strip is aluminum strip.

A kind of magnetic drives pump, and its feature is, the magnetic, which drives pump, includes inner magnetic region as described above.

On the basis of common sense in the field is met, above-mentioned each optimum condition, can be combined, produce the utility model respectively compared with Good example.

Positive effect of the present utility model is：

Inner magnetic region disclosed in the utility model and the magnetic drive pump for including it, press strip is fixed by gland, so that fixed magnet, To magnet installation surface precision without excessive demand, connection is reliable, easy for installation, cost is cheap.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of the inner magnetic region of the utility model preferred embodiment.

Fig. 2 is the end view of the inner magnetic region of the utility model preferred embodiment, wherein the first gland has been installed.

Fig. 3 is diagrammatic cross-sections of the Fig. 2 along A-A directions.

Fig. 4 is the enlarged diagram of X section in Fig. 3.

Fig. 5 is diagrammatic cross-sections of the Fig. 2 along B-B directions.

Fig. 6 is the enlarged diagram of Y portion in Fig. 5.

Fig. 7 is the end view of the inner magnetic region of the utility model preferred embodiment, wherein the first gland is removed.

Fig. 8 is the schematic perspective view of the first gland of the utility model preferred embodiment.

Fig. 9 is the schematic perspective view of the second gland of the utility model preferred embodiment.

Description of reference numerals：

10：Inner magnetic region

100：Magnet holder

110：End difference

111：Ring surface

200：Magnet

210：First end face

220：Second end face

230：Magnet outer surface

240：Magnet inner surface

300：Press strip

310：Press strip outer surface

320：Press strip inner surface

410：First gland

411：First end cap

412：First clinching

420：Second gland

421：Second end cap

422：Second clinching

500：Fastener

Embodiment

Name preferred embodiment, and become apparent from intactly illustrating the utility model with reference to accompanying drawing.

A kind of magnetic drives pump, and it includes：External magnetic region (not shown), cage (not shown), inner magnetic region 10, external magnetic region be located at every Outside from cover, inner magnetic region 10 is located in cage and is connected with impeller.External magnetic region cooperates with inner magnetic region 10, and external magnetic region rotates When, the synchronous axial system under the drive in the magnetic field of external magnetic region of inner magnetic region 10, so as to which impeller rotates, the medium such as pump liquid.

As shown in figs 1-9, inner magnetic region 10 includes：Magnet holder 100, multiple magnet 200, multiple press strips 300 and pressure Lid.Magnet 200 is located at the outer peripheral face of magnet holder 100, and circumferentially-spaced distribution of the multiple magnet 200 along magnet holder 100.It is more Circumferentially-spaced distribution of the individual press strip 300 along magnet holder 100, and the both sides of each magnet 200 are equipped with press strip 300, press strip 300 Pressure is located at magnet 200.Gland is fixedly connected with magnet holder 100, and gland pressure located at press strip 300 with limit press strip 300 and Magnet 200 moves relative to magnet holder 100.Circumference of multiple magnet 200 along magnet holder 100 is uniformly distributed.Press strip 300 is excellent Elect aluminum strip as, there is the advantages of in light weight.

In the present embodiment, inner magnetic region 10 includes 12 magnet 200 and 12 press strips 300.But the utility model is not Limit the number of magnet and press strip.

As shown in fig. 3 to 7, magnet holder 100 includes stepped plate 110, and end difference 110 has a ring surface 111.Magnet 200 have first end face 210, second end face 220, magnet outer surface 230 and magnet inner surface 240, magnet outer surface 230 Width is less than the width of magnet inner surface 240.Press strip 300 has press strip outer surface 310, press strip inner surface 320, press strip outer surface 310 width is more than the width of press strip inner surface 320.The side of press strip 300 contacts with the side pressure of magnet 200.

Specifically, the first gland 410 and the second gland 420 are included with reference to Fig. 8-9, gland.First gland 410 includes one First end cap 411 and multiple first clinchings 412, multiple first clinchings 412 are connected with the first end cap 411 and along the first end caps 411 circumferentially-spaced distribution.Second gland 420 includes one second end cap 421 and multiple second clinchings 422, multiple second pressures Button 422 is connected with the second end cap 421 and along the circumferentially-spaced distribution of the second end cap 421.

First clinching 412 pressure fixes company located at one end of press strip 300, the first end cap 411 and the end face of magnet holder 100 Connect.Second clinching 422 pressure is located at the other end of press strip 300, and the second end cap 421 is sheathed on magnet holder 100.First end cap 411 It is fixedly connected with the end face of magnet holder 100 by fastener 500.Fastener 500 can be threaded fastener or rivet.

As seen in figures 3-6, the end face of magnet 200, i.e. first end face 210 are connected to the first end cap 411.Magnet 200 Other end, i.e. second end face 220 are connected to the second end cap 421, and the second end cap 421 is connected to ring surface 111, the second end cap 421 between ring surface 111 and second end face 220.

As shown in figs. 2 and 7, the direction in the axle center away from magnet holder 100, gland, pressure are yearned for along the footpath of magnet holder 100 Bar 300 is without departing from magnet 200.The interference of gland, press strip 300 can be avoided so that the magnet 200 and external magnetic region of inner magnetic region 10 The distance between magnet minimize.Preferably, along the radial direction of magnet holder 100, outer surface and the press strip 300 of magnet 200 There is distance between outer surface.

Second gland 420, magnet 200 and the gland 410 of press strip 300 and first can be installed on magnet holder 100 successively On, complete the assembling of whole inner magnetic region 10.

Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments, But these changes and modification each fall within the scope of protection of the utility model.

Claims (10)

1. a kind of inner magnetic region, it is characterised in that it includes：

Magnet holder；

Multiple magnet, the magnet is located at the outer peripheral face of the magnet holder, and multiple magnet are along the magnet holder Circumferentially-spaced distribution；

Multiple press strips, circumferentially-spaced distribution of multiple press strips along the magnet holder, and the both sides of each magnet are equal Provided with the press strip, the press strip pressure is located at the magnet；And

Gland, the gland are fixedly connected with the magnet holder, and gland pressure is located at the press strip to limit the pressure Bar and the magnet move relative to the magnet holder.

2. inner magnetic region as claimed in claim 1, it is characterised in that the gland includes the first gland and the second gland；

Wherein, first gland includes one first end cap and multiple first clinchings, multiple first clinchings and described the One end cap connects and along the circumferentially-spaced distribution of first end cap, the first clinching pressure is located at one end of the press strip, institute The end face that the first end cap is stated with the magnet holder is fixedly connected；

Second gland includes one second end cap and multiple second clinchings, multiple second clinchings and second end cap Connection and along the circumferentially-spaced distribution of second end cap, the second clinching pressure located at the press strip the other end, described the Two end caps are sheathed on the magnet holder.

3. inner magnetic region as claimed in claim 2, it is characterised in that first end cap and the end face of the magnet holder pass through Fastener is fixedly connected.

4. inner magnetic region as claimed in claim 2, it is characterised in that the end face of the magnet is connected to first end cap.

5. inner magnetic region as claimed in claim 2, it is characterised in that the magnet holder includes stepped plate, the end difference With a ring surface；Wherein, the end face of the magnet is connected to second end cap, and second end cap is connected to the ring Shape face, second end cap is between the ring surface and the end face of the magnet.

6. inner magnetic region as claimed in claim 1, it is characterised in that yearn for along the footpath of the magnet holder away from the magnet branch The direction in the axle center of frame, the gland, the press strip are without departing from the magnet.

7. inner magnetic region as claimed in claim 6, it is characterised in that along the radial direction of the magnet holder, the appearance of the magnet There is distance between face and the outer surface of the press strip.

8. inner magnetic region as claimed in claim 1, it is characterised in that circumference of multiple magnet along the magnet holder is uniformly Distribution.

9. such as the inner magnetic region any one of claim 1-8, it is characterised in that the press strip is aluminum strip.

10. a kind of magnetic drives pump, it is characterised in that the magnetic, which drives pump, includes inner magnetic region as claimed in any one of claims 1-9 wherein.