CN208015483U - Stator skeleton monomer, chain type motor stator, motor - Google Patents

Abstract

A kind of stator skeleton monomer of the utility model offer, chain type motor stator, motor.The stator skeleton monomer includes that inner ring wall, collar wall and the connection wall between the inner ring wall and collar wall, the collar wall are arranged on the end face of stator core, and the end face part of the stator core is made to be exposed to the peripheral side of the collar wall.Stator skeleton monomer according to the present utility model, chain type motor stator, motor, can reduce the cooperation area of stator core and stator skeleton, so that the heat dissipation area of stator core is increased, be more conducive to the heat dissipation of motor stator, reduce the Wen Sheng of motor.

Description

Stator skeleton monomer, chain type motor stator, motor

Technical field

The utility model belongs to technical field of motors, and in particular to a kind of stator skeleton monomer, chain type motor stator, electricity Machine.

Background technology

In traditional motor stator production process, stator skeleton is not used generally, at this point, being embedded in stator in stator winding Need to use before iron core and insulating materials be manually inserted into the insulation tank of stator core to carry out insulation processing, improve stator winding with Insulating properties between stator core increases safety in turn.But such traditional method not only expends a large amount of manpower, time, also It can be due to causing insulation effect bad using artificial slot insulation misoperation, to generate security risk namely such tradition Mode production efficiency is not high, insulation performance is unreliable.In order to overcome the foregoing problems of such traditional approach, present electronic isolation Skeleton is used, but existing bad using the motor stator thermal diffusivity of insulation framework, cause this kind of motor stator exist compared with Big problem of temperature rise, there is also the easy loose wire of winding, thermal protectors when stator full circle to be difficult to fixation, line etc. is easily hindered in stator skeleton coiling Problem；In addition, for the insulation frame for stator generally used at present, due to insulation frame for stator to be ensured to stator core above and below The clamping in face leads to the cooperation friendship of the upper layer skeleton and lower layer's skeleton especially upper lower skeleton in structure of current stator skeleton It meets place and carries out different mechanism designs, this will cause stator skeleton to be at least directed to upper skeleton, lower skeleton list in process of production Solely open up different molds, it can be seen that, manufacturing cost is higher, meanwhile, this upper skeleton individually molded, lower skeleton Since the difference in structure design leads to the poor universality of stator skeleton.

Utility model content

Therefore, the technical problem to be solved by the present invention is to provide a kind of stator skeleton monomer, chain type motor stator, Motor can reduce the cooperation area of stator core and stator skeleton, so that the heat dissipation area of stator core is increased, be more conducive to The heat dissipation of motor stator reduces the Wen Sheng of motor.

To solve the above-mentioned problems, the utility model provides a kind of stator skeleton monomer, including inner ring wall, collar wall and place Connection wall between the inner ring wall and collar wall, the collar wall are arranged on the end face of stator core, and make the stator The end face part of iron core is exposed to the peripheral side of the collar wall.

Preferably, the peripheral surface of the collar wall is planar structure.

Preferably, the first groove is offered in the collar wall, first groove sequentially passes through the collar wall, connects Connect wall, inner ring wall.

Preferably, for first slot opening toward stator core side, the cross section of first groove is in ∩ shapes.

Preferably, the inner ring wall is equipped with the second groove, the opening of second groove far from the stator core side Direction is opposite with the opening of first groove direction.

Preferably, the both ends of the connection wall are respectively provided with the first wall extended towards stator core side, second vertical Wall, first wall, the second wall, connection wall form the bypass channel of stator winding away from the side of the stator core, First wall, the second wall, connection wall towards the stator core side form the stator core walk channel, First wall and the second wall, which have, plugs together portion, and when two stator skeleton monomers assemble in opposite directions, two described fixed First wall of sub- backbone monomer can be inserted with the second wall to be combined together.

Preferably, the portion of plugging together plugs together portion including first, second plugs together portion, and first portion of plugging together is set to described first For wall towards the stator core side, second portion of plugging together is set to second wall towards the stator winding side.

Preferably, the connection wall is first direction towards the direction of the stator core, and first portion of plugging together includes First face, the second face, first face, the second face set gradually along the first direction and are formed first step structure, described First face is higher than second face；Second portion of plugging together includes third face, fourth face, and the third face, fourth face are described in First direction sets gradually and is formed second step structure, and the third face is higher than the fourth face.

Preferably, first wall and the junction of the connection wall, the company of second wall and the connection wall Meeting place, all there is the first rounding, first wall, the second wall all to have draft chamfering, institute towards the stator core side It is rounding to state draft chamfering, and the radius of first rounding is more than the radius of the draft chamfering.

Preferably, the connection wall is additionally provided with wire column away from the side of stator core, to limit drawing for winding leading-out wire Outgoing direction.

Preferably, it is additionally provided with protuberance muscle in the connection wall between the wire column and the collar wall.

Preferably, the connection wall is additionally provided with pcb board mounting portion away from the side of stator core.

Preferably, the pcb board mounting portion includes contact pin column, has pin holes, the pin holes energy on the contact pin column Enough fixing plug pins, so that pcb board is fixed after capable of being welded with the contact pin.

Preferably, the pcb board mounting portion further includes being set to card of the inner ring wall far from the stator core side It hooks, the hook in a snap-in manner can be fixed the pcb board when installing the pcb board.

Preferably, the pcb board mounting portion further includes being set to the inner ring wall far from the convex of the stator core side Platform, the boss can be supported the pcb board when installing the pcb board.

Preferably, the pcb board mounting portion includes being set to contact pin of the inner ring wall far from the stator core side Hole, the pin holes can fix contact pin, and the pin holes can fix contact pin so that the pcb board can with it is described It is fixed after contact pin welding.

Preferably, the pcb board mounting portion further includes positioning column, and the positioning column can penetrate in the hole of the pcb board, To position the pcb board.

Preferably, the pcb board mounting portion further includes support column, and the support column can be when installing the pcb board pair The pcb board is supported.

Preferably, the stator skeleton monomer is made by the way of being integrally formed.

The utility model also provides a kind of chain type motor stator, including above-mentioned stator skeleton monomer.

The utility model also provides a kind of motor, including above-mentioned chain type motor stator.

Preferably, the motor further includes drive end bearing bracket, rear end cap, and the drive end bearing bracket and/or rear end cap are equipped with heat emission hole.

Stator skeleton monomer provided by the utility model, chain type motor stator, motor, due to the collar wall make it is described fixed The end face part of sub- iron core is exposed to the peripheral side of the collar wall, when the stator skeleton monomer and the stator core group After dress, exposed radiating surface is formed in the upper and lower end face of the lateral wall of the stator core, such mode avoids the prior art In stator core due in the collar wall with arcwall face, temperature rose caused by the heat dissipation area of stator core is smaller Big problem, that is, since the planar structure increases the heat dissipation area of stator core, namely the exposed heat dissipation formed Face, so as to more effectively control the problem of temperature rise of motor, stator.

Description of the drawings

Fig. 1 is the structural schematic diagram of the stator skeleton monomer of the utility model embodiment；

Fig. 2 is the structural schematic diagram at another visual angle of the stator skeleton monomer of the utility model embodiment；

Fig. 3 is the vertical view of the stator skeleton monomer of Fig. 1；

Fig. 4 is the structural schematic diagram of the stator skeleton monomer of another embodiment of the utility model；

Fig. 5 is the stereoscopic schematic diagram of the chain type motor stator of the utility model another embodiment；

Fig. 6 is the expanded schematic diagram of the chain type motor stator in Fig. 5.

Reference numeral is expressed as：

1, inner ring wall；2, collar wall；3, connection wall；41, the first groove；42, item is swelled；43, the second groove；61, first Wall；62, the second wall；63, portion is plugged together；64, first portion is plugged together；641, the first face；642, the second face；65, second portion is plugged together； 651, third face；652, fourth face；81, wire column；82, muscle is swelled；9, pcb board mounting portion；911, contact pin column；912, hook； 913, boss；921, pin holes；922, positioning column；923, support column；101, stator winding；102, pcb board；103, contact pin； 104, stator core；105, exposed radiating surface.

Specific implementation mode

Shown in Fig. 1 to Fig. 6, embodiment according to the present utility model provides a kind of stator skeleton monomer, including inner ring Wall 1, collar wall 2 and the connection wall 3 between the inner ring wall 1 and collar wall 2, the collar wall 2 are arranged in stator core 104 End face on, and the end face part of the stator core 104 is made to be exposed to the peripheral side of the collar wall 2.In the technical program Since the collar wall 2 makes the end face part of the stator core 104 be exposed to the peripheral side of the collar wall 2, when described After stator skeleton monomer is assembled with the stator core 104, in the upper and lower end face shape of the lateral wall of the stator core 104 At exposed radiating surface 105, such mode avoids stator core 104 in the prior art due to flush-mounted in outer with arcwall face It encloses in wall, the smaller caused temperature of heat dissipation area of stator core 104 rises excessive problem, that is, due to the planar structure The heat dissipation area of stator core 104 is increased, namely the exposed radiating surface 105 formed, so as to more effectively control electricity The problem of temperature rise of machine, stator.

Preferably, the peripheral surface of the collar wall 2 is planar structure, and such planar structure is convenient for the stator skeleton monomer The manufacturing, while can also reduce the manufacturing cost of the stator skeleton monomer.

Preferably, the stator skeleton monomer is made of PBT material.It is further preferred that in the PBT material A certain amount of property-modifying additive, such as glass fibre, mineral are added, the stator skeleton list is made by the material being modified Body will further improve heat dissipation performance of the stator skeleton monomer in being applied to motor, can further be conducive to electricity The control of machine Wen Sheng.

Preferably, the first groove 41 is offered in the collar wall 2, first groove 41 is sequentially passed through in described outer Enclose wall 2, connection wall 3, inner ring wall 1.First groove, 41 one side with stator core 104 assemble after due to it is described Non-contact space is formed between the upper and lower end face of stator core 104, it is corresponding described fixed with the non-contact space to ensure It further radiates 104 upper and lower end face of sub- iron core；It on the other hand, can be as the secure component such as band of thermal protector Channel is walked, this is conducive to the installation fixed step to thermal protector.

Preferably, first groove 41 is open toward 104 side of stator core, the cross section of first groove 41 In ∩ shapes.The corresponding height smaller for making the more semicircular groove of height of first groove 41 using ∩ shapes, to make around Row is shorter in detour length in the stator winding 101 of the stator skeleton monomer, especially smaller in 3 wall thickness of the connection wall When, at this time connection wall 3 far from 104 side of stator core the relative position of first groove 41 formed protuberance item 42, In such cases, using the first groove 41 of ∩ shapes will effectively reduce it is described protuberance item 42 height, this will make the stator around Copper wire length in group 101 reduces, and can also reduce the copper loss of the stator winding 101, reduces motor stator or even motor Manufacturing cost.

Preferably, the inner ring wall 1 is equipped with the second groove 43, second groove far from 104 side of the stator core 43 opening direction is opposite with the opening of first groove 41 direction.Second groove 43 can be to the tight of thermal protector Gu component forms fixed groove structure in side of the inner ring wall 1 far from the stator core 104, can further be promoted The fixed stability of installation of thermal protector.

Preferably, the both ends of the connection wall 3 be respectively provided with the first wall 61 extended towards 104 side of stator core, Second wall 62, first wall 61, the second wall 62, connection wall 3 form stator away from the side of the stator core 104 The bypass channel of winding 101, first wall 61, the second wall 62, connection wall 3 are towards the side of the stator core 104 The channel of walking of the stator core 104 is formed, first wall, 61 and second wall 62, which has, plugs together portion 63, when two institutes When stating stator skeleton monomer and assembling in opposite directions, first wall, 61 and second wall 62 of two stator skeleton monomers can Inserting is combined together.In the technical solution, when two stator skeleton monomers assemble in opposite directions, namely in assembling, one For convenience of description, an end face for being defined as the first monomer and the stator core 104 coordinates a stator skeleton monomer Assembly, stator skeleton monomer described in another are defined as the another of second comonomer and the stator core 104 for convenience of describing The cooperation assembly of a end face, at this time the first wall 61 of first monomer by with the second wall 62 of second comonomer cooperatively Plug-in, similarly, the second wall 62 of first monomer cooperatively inserts the second wall 62 with second comonomer It is fitted together, such mode makes, when the stator core 104 folds thickness and changes, can easily adjust first monomer It is adjusted with the relative position of second comonomer, namely the first wall 61 of adjustment and the depth of the second wall 62 inserting cooperation, by In the first monomer, second comonomer be all above-mentioned stator skeleton monomer, it is completely the same in structure, in this way, described in the manufacturing Stator skeleton monomer when, it is only necessary to mold it is a set of, this aspect save manufacture the stator skeleton monomer when opening Mould cost, on the other hand, since in assembling, all using the stator skeleton monomer with same structure, versatility is stronger.

In order to further enhance the versatility of the stator skeleton monomer, it is preferable that the portion 63 that plugs together includes first slotting Conjunction portion 64, second plug together portion 65, and described first, which plugs together portion 64, is set to first wall 61 towards the stator core 104 1 Side, described second, which plugs together portion 65, is set to second wall 62 towards 101 side of the stator winding.Further, described Connection wall 3 is first direction towards the direction of the stator core 104, and described first, which plugs together portion 64, includes the first face 641, second Face 642, first face 641, the second face 642 set gradually along the first direction and are formed first step structure, and described 641 are higher than second face 642 on one side；Described second, which plugs together portion 65, includes third face 651, fourth face 652, the third face 651, fourth face 652 sets gradually along the first direction and is formed second step structure, and the third face 651 is higher than described the On four sides 652.In the technical solution, when two stator skeleton monomers are same as above, it is respectively defined as the first monomer, second comonomer phase To when assembling, the second face 642 of the first monomer and the cooperation of fourth face 652 of second comonomer, the fourth face 652 of the first monomer and the Second face 642 of two monomers coordinates, and realizes that the first monomer, second comonomer act on the clamping of the stator core 104.Thus may be used See, the first of the first wall 61 of the stator skeleton monomer, which plugs together portion 64, plugs together portion 65 with the second of the second wall 62 and tying It is formed on structure complementary.

In order to avoid in winding process to the stator winding 101 formed damage, meanwhile, also for make the stator around Group 101 can more smoothly be embedded in bypass channel, it is preferable that the junction of first wall 61 and the connection wall 3, institute Stating the second wall 62 and the junction of the connection wall 3 all has the first rounding, first wall 61,62 direction of the second wall It is rounding that 104 side of the stator core, which all has draft chamfering, the draft chamfering, and the radius of first rounding is more than institute State the radius of draft chamfering.At this time in coiling stator winding 101, radius of curvature bigger, can further prevent to stator around The damage of group 101.

Mixed and disorderly problem is easy for winding leading-out wire in the prior art, it is preferable that the connection wall 3 deviates from stator iron The side of core 104 is additionally provided with wire column 81, to limit the lead direction of winding leading-out wire.At this point, the wire column 81 can The winding leading-out wire is limited in wire column 81 in the region of 2 inside of the collar wall, is prevented in chain type stator whole Occur loose wire problem caused by winding leading-out wire position is walked about during circle to occur.

Due to when the stator skeleton monomer is assembled to chain type stator core, between adjacent two stator skeleton monomers There can be gap, this gap will lead to that the weakness become is isolated between winding leading-out wire and the stator core 104, in order to ensure State the electrical safety distance between winding leading-out wire and the stator core 104, it is preferable that the wire column 81 and the outer ring Protuberance muscle 82 is additionally provided in the connection wall 3 between wall 2, to increase the winding leading-out wire and the stator core 104 Spacing.

In order to ensure that the stator skeleton monomer can be taken into account when being assembled into stator and motor to the reliable of pcb board 102 Installation, it is preferable that the connection wall 3 is additionally provided with pcb board mounting portion 9 away from the side of stator core 104, to install fixation Pcb board 102.

Preferably, the pcb board mounting portion 9 includes contact pin column 911, has pin holes 921, institute on the contact pin column 911 State pin holes 921 can fixing plug pin 103 so that pcb board 102 can with the contact pin 103 weld after be fixed.At this point, The pcb board 102 is welded and fixed by the contact pin 103, keeps the fixation of the pcb board 102 relatively reliable, when So, the stability maintenance that at least two groups will further improve pcb board 102 is arranged in the contact pin column 911.

It, will more preferably using multiple spot fixation for the fixation of the pcb board 102 since the size of pcb board 102 is often larger. Preferably, the pcb board mounting portion 9 further includes being set to 1 hook far from 104 side of the stator core of the inner ring wall 912, the hook 912 in a snap-in manner can be fixed the pcb board 102 when installing the pcb board 102.It adopts The pcb board 102 is fixed with the mode of buckle, it is simple and reliable.

Preferably, the pcb board mounting portion 9 further includes being set to the inner ring wall 1 far from 104 side of the stator core Boss 913, the boss 913 can be supported the pcb board 102 when installing the pcb board 102, using boss The side of 913 pairs of pcb boards 102 is supported, and can significantly improve stability of the pcb board on the motor stator, especially It is when the pcb board is when being pressurized.

As another fixed form to pcb board, it is preferable that the pcb board mounting portion 9 includes being set in described Pin holes 921 of the wall 1 far from 104 side of the stator core are enclosed, the pin holes 921 can fix contact pin 103, described to insert Pin hole 921 can fix contact pin 103, so that the pcb board 102 is fixed after capable of being welded with the contact pin 103.

Preferably, the pcb board mounting portion 9 further includes positioning column 922, and the positioning column 922 can penetrate the pcb board In 102 hole, to position the pcb board 102.

Preferably, the pcb board mounting portion 9 further includes support column 923, and the support column 923 can install the PCB The pcb board 102 is supported when plate 102.

Preferably, the stator skeleton monomer is made by the way of being integrally formed.

Another embodiment according to the present utility model, the utility model also provide a kind of chain type motor stator, including above-mentioned Stator skeleton monomer.

Another embodiment according to the present utility model, the utility model also provide a kind of motor, including above-mentioned chain type electricity Machine stator.

Preferably, the motor further includes drive end bearing bracket, rear end cap, and the drive end bearing bracket and/or rear end cap are equipped with heat emission hole.

Those skilled in the art will readily recognize that under the premise of not conflicting, above-mentioned each advantageous manner can be free Ground combination, superposition.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle Within the scope of shield.Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill of the art For personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvement The scope of protection of the utility model is also should be regarded as with modification.

Claims (22)

1. a kind of stator skeleton monomer, including inner ring wall (1), collar wall (2) and in the inner ring wall (1) and collar wall (2) Between connection wall (3), which is characterized in that the collar wall (2) is arranged on the end face of stator core (104), and make it is described fixed The end face part of sub- iron core (104) is exposed to the peripheral side of the collar wall (2).

2. stator skeleton monomer according to claim 1, which is characterized in that the peripheral surface of the collar wall (2) is plane Structure.

3. stator skeleton monomer according to claim 1, which is characterized in that it is recessed to offer first on the collar wall (2) Slot (41), first groove (41) sequentially pass through the collar wall (2), connection wall (3), inner ring wall (1).

4. stator skeleton monomer according to claim 3, which is characterized in that first groove (41) is open toward fixed The cross section of sub- iron core (104) side, first groove (41) is in ∩ shapes.

5. stator skeleton monomer according to claim 3, which is characterized in that the inner ring wall (1) is far from the stator iron Core (104) side is equipped with the second groove (43), the opening direction of second groove (43) and opening for the first groove (41) Mouth is towards on the contrary.

6. stator skeleton monomer according to any one of claim 1 to 5, which is characterized in that the two of the connection wall (3) End is respectively provided with the first wall (61) extended towards stator core (104) side, the second wall (62), first wall (61), the second wall (62), connection wall (3) form the detour of stator winding (101) away from the side of the stator core (104) Channel, first wall (61), the second wall (62), connection wall (3) form institute towards the side of the stator core (104) The channel of walking of stator core (104) is stated, first wall (61) and the second wall (62), which have, plugs together portion (63), when two When the stator skeleton monomer assembles in opposite directions, first wall (61) and the second wall of two stator skeleton monomers (62) it can insert and be combined together.

7. stator skeleton monomer according to claim 6, which is characterized in that the portion (63) that plugs together plugs together portion including first (64), second portion (65) is plugged together, described first, which plugs together portion (64), is set to first wall (61) towards the stator core (104) side, described second, which plugs together portion (65), is set to second wall (62) towards the stator winding (101) side.

8. stator skeleton monomer according to claim 7, which is characterized in that the connection wall (3) is towards the stator iron The direction of core (104) is first direction, and described first to plug together portion (64) include the first face (641), the second face (642), described the (641), the second face (642) set gradually along the first direction and are formed first step structure, first face (641) on one side Higher than second face (642)；Described second to plug together portion (65) include third face (651), fourth face (652), the third face (651), fourth face (652) sets gradually along the first direction and is formed second step structure, and the third face (651) is higher than The fourth face (652).

9. stator skeleton monomer according to claim 6, which is characterized in that first wall (61) and the connection wall (3) junction, second wall (62) and the junction of the connection wall (3) is all stood with the first rounding, described first It is to fall that wall (61), the second wall (62) all have draft chamfering, the draft chamfering towards the stator core (104) side Circle, the radius of first rounding are more than the radius of the draft chamfering.

10. the stator skeleton monomer according to any one of claim 1 to 5,7 to 9, which is characterized in that the connection wall (3) side for deviating from stator core (104) is additionally provided with wire column (81), to limit the lead direction of winding leading-out wire.

11. stator skeleton monomer according to claim 10, which is characterized in that the wire column (81) and the collar wall (2) protuberance muscle (82) is additionally provided in the connection wall (3) between.

12. stator skeleton monomer according to claim 10, which is characterized in that the connection wall (3) deviates from stator core (104) side is additionally provided with pcb board mounting portion (9).

13. stator skeleton monomer according to claim 12, which is characterized in that the pcb board mounting portion (9) includes contact pin Column (911), has pin holes (921) on the contact pin column (911), the pin holes (921) can fixing plug pin (103), with It is fixed after making pcb board (102) that can be welded with the contact pin (103).

14. stator skeleton monomer according to claim 12, which is characterized in that the pcb board mounting portion (9) further includes setting It is placed in hook (912) of the inner ring wall (1) far from the stator core (104) side, the hook (912) can install The pcb board (102) is fixed in a snap-in manner when pcb board (102).

15. stator skeleton monomer according to claim 12, which is characterized in that the pcb board mounting portion (9) further includes setting It is placed in boss (913) of the inner ring wall (1) far from the stator core (104) side, the boss (913) can install The pcb board (102) is supported when pcb board (102).

16. stator skeleton monomer according to claim 12, which is characterized in that the pcb board mounting portion (9) includes setting In pin holes (921) of the inner ring wall (1) far from the stator core (104) side, the pin holes (921) can will insert Needle (103) is fixed, so that pcb board (102) is fixed after capable of being welded with the contact pin (103).

17. stator skeleton monomer according to claim 12, which is characterized in that the pcb board mounting portion (9) further includes fixed Position column (922), the positioning column (922) can penetrate in the hole of pcb board (102), to position the pcb board (102).

18. stator skeleton monomer according to claim 12, which is characterized in that the pcb board mounting portion (9) further includes branch Dagger (923), the support column (923) can be supported the pcb board (102) when installing pcb board (102).

19. the stator skeleton monomer according to any one of claim 1 to 5,7 to 9,11 to 18, which is characterized in that institute Stator skeleton monomer is stated to be made by the way of being integrally formed.

20. a kind of chain type motor stator, which is characterized in that including the stator skeleton described in any one of claim 1 to 19 Monomer.

21. a kind of motor, which is characterized in that including the chain type motor stator described in claim 20.

22. motor according to claim 21, which is characterized in that further include drive end bearing bracket, rear end cap, the drive end bearing bracket and/ Or rear end cap is equipped with heat emission hole.