CN203979783U - Mounting nuts fixed structure for equipment shell - Google Patents
Mounting nuts fixed structure for equipment shell Download PDFInfo
- Publication number
- CN203979783U CN203979783U CN201420391702.2U CN201420391702U CN203979783U CN 203979783 U CN203979783 U CN 203979783U CN 201420391702 U CN201420391702 U CN 201420391702U CN 203979783 U CN203979783 U CN 203979783U
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- Prior art keywords
- hole
- mounting nuts
- nut
- fixed structure
- nuts fixed
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- Expired - Lifetime
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- 238000007665 sagging Methods 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 12
- 239000002893 slag Substances 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000037237 body shape Effects 0.000 description 6
- 238000003754 machining Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model discloses a kind of mounting nuts fixed structure for equipment shell, comprise equipment shell and mounting nuts, it is characterized in that, described casing comprises the through hole for fixing described nut, the orifice edge that is positioned at casing inner surface of this through hole engages with the flange that is positioned at this nut one end of described nut, and one end that is positioned at casing outer surface of this through hole has sagging step, the other end of described nut is riveted on described step by flange.The utility model adopts the mode of riveted joint that nut is fixed on casing, without welding slag, produce, improved reliability and the quality of product, also reduced the operation of cleaning simultaneously, and the cost that adopts such riveting method only has 1/3 to 1/2 of welding cost, so product cost is reduced.
Description
Technical field
The utility model relates to the casing of electromechanical equipment, relates in particular to the fixed structure of the mounting nuts of this casing.
Background technique
In the casing structure of existing electromechanical equipment, for fix the mounting nuts of this electromechanical equipment be by welding mode be fixed on casing, but welding easily there is the phenomenons such as solder skip, rosin joint, client installs and uses and has certain risk.And the welding slag that welding produces is easily bonded in casing inner wall, clear up cumbersomely, in addition, welding slag can splash in nut thread, finally affects client's assembling.The casing structure of electromechanical equipment is for example the casing structure of motor.In the prior art, the overall cost of this welding procedure is higher.
Fig. 1 shows the cross-sectional view of fixed structure of mounting nuts of the equipment shell of prior art, and Fig. 2 is the partial enlarged drawing of Fig. 1.As shown in the figure, this fixed structure comprises casing 1, through hole 2, mounting nuts 3 and solder joint 4.In the structure of this fixed installation nut 3, first nut 3 is in place in through hole 2, the flange 31 of nut 3 is against the edge of one end of through hole 2.Then, adopt welding procedure by flange 31 spot welding or full weld in the edge of one end of through hole 2.
What go out as illustrated in fig. 1 and 2 is this by being welded and fixed the mode of mounting nuts, and in welding process, welding slag is sputter everywhere, be finally bonded on casing inner wall and screw in, welding slag cleaning is time-consuming.In addition, in welding process, easily there is rosin joint, solder skip phenomenon, affect product quality.Meanwhile, the cost of welding is relative also higher, thereby produces higher expense.
Model utility content
The object of the utility model is to overcome the deficiencies in the prior art, and a kind of easily manufactured, reliable in structure, the lower-cost mounting nuts fixed structure for equipment shell are provided.
The utility model provides a kind of mounting nuts fixed structure for equipment shell, comprise equipment shell and mounting nuts, it is characterized in that, described casing comprises the through hole for fixing described nut, the orifice edge that is positioned at casing inner surface of this through hole engages with the flange that is positioned at this nut one end of described nut, and one end that is positioned at casing outer surface of this through hole has sagging step, the other end of described nut is riveted on described step by flange.
Preferably, described equipment is motor.
Preferably, described equipment is permanent magnet DC motor.
Preferably, described equipment is the permanent magnet DC motor for running machine.
Preferably, described mounting nuts fixed structure is for being fixed on framework by equipment.
Preferably, described through hole is polygonal hole, and described step is positioned at least one group of two relative limits of described through hole.
Preferably, the width between described at least one group of two relative limits is greater than the width between other two relative limits without described step, thereby reserves clearance, for described nut form described step in punching press after, can pass through described through hole.
Preferably, described through hole is regular polygon hole.
Preferably, described through hole is special-shaped regular polygon hole, width between described at least one group of two relative limits is greater than the width between other two relative limits without described step, thereby reserves clearance, for described nut form described step in punching press after, can pass through described through hole.
Preferably, described through hole is special-shaped regular hexagon hole, and described step is positioned at one group of two relative limit of described through hole, and the width between this group opposite side is larger than the width between other opposite side.
Preferably, large 2 millimeters than the width between other opposite side of the width between this group opposite side, the degree of depth of described step is 2 millimeters.
Preferably, the edge relative with described step of the described the other end of described nut regional area flange only.
The utility model adopts the mode of riveted joint that nut is fixed on casing, without welding slag, produce, improved reliability and the quality of product, also reduced the operation of cleaning simultaneously, and the cost that adopts such riveting method only has 1/3 to 1/2 of welding cost, product cost is reduced.Therefore, the scheme of the utility model can improve part manufacturing efficiency, reduces clearance time, improves part quality, reduces product cost.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view that the mounting nuts fixed structure for equipment shell of prior art is shown.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the sectional view illustrating according to the mounting nuts fixed structure for equipment shell of the present utility model, and it dissects and obtain along the axis of pitch shown in Fig. 4.
Fig. 4 is the plan view illustrating according to the mounting nuts fixed structure for equipment shell of the present utility model.
Fig. 5 is the sectional view illustrating according to independent through hole of the present utility model.
Fig. 6 is the plan view illustrating according to independent through hole of the present utility model.
Fig. 7 is the sectional view illustrating according to independent nut of the present utility model.
Fig. 8 is the plan view illustrating according to independent nut of the present utility model.
Fig. 9 A and 9B are respectively sectional view and the plan view illustrating according to the first step of the first manufacture of mounting nuts fixed structure of the present utility model and mounting type.
Figure 10 A and 10B are respectively sectional view and the plan view illustrating according to the second step of the first manufacture of mounting nuts fixed structure of the present utility model and mounting type.
Figure 11 A and 11B are respectively sectional view and the plan view illustrating according to the 3rd step of the first manufacture of mounting nuts fixed structure of the present utility model and mounting type.
Figure 12 A and 12B are respectively sectional view and the plan view illustrating according to the 4th step of the first manufacture of mounting nuts fixed structure of the present utility model and mounting type.
Figure 13 A and 13B are respectively sectional view and the plan view illustrating according to the first step of the second manufacture of mounting nuts fixed structure of the present utility model and mounting type.
Figure 14 A and 14B are respectively sectional view and the plan view illustrating according to the second step of the second manufacture of mounting nuts fixed structure of the present utility model and mounting type.
Figure 15 A and 15B are respectively sectional view and the plan view illustrating according to the 3rd step of the second manufacture of mounting nuts fixed structure of the present utility model and mounting type.
Embodiment
Embodiment in this record is specific embodiment of the present utility model, for design of the present utility model is described, is all explanatory and exemplary, should not be construed as the restriction to the utility model mode of execution and the utility model scope.Except the embodiment of this record, those skilled in the art can also adopt apparent other technological scheme based on the application's claims and the disclosed content of specification, and these technological schemes comprise the technological scheme of making any apparent substitutions and modifications adopting the embodiment in this record.The scope of the technological scheme that the utility model is claimed is limited by claims of the application.
Fig. 3 and Fig. 4 are respectively sectional view and the plan view illustrating according to the mounting nuts fixed structure for equipment shell of the present utility model, and Fig. 3 dissects and obtains along the axis of pitch shown in Fig. 4.Fig. 5 and 6 illustrates respectively according to the sectional view of independent through hole of the present utility model and plan view.Fig. 7 and 8 illustrates respectively according to the sectional view of independent nut of the present utility model and plan view.Equipment can be any electromechanical equipment, for example motor.The utility model is particularly suitable for the mounting nuts of motor case, and motor is for example permanent magnet DC motor, and more specifically, the utility model goes for the permanent magnet DC motor of running machine.
As shown in Fig. 3-8, embodiment's of the present utility model mounting nuts fixed structure comprises casing 1, through hole 2 and mounting nuts 3.Through hole 2 penetrates casing 1, for set screw nut 3.One end of this through hole 2 engages with the flange 31 of nut 3, and the other end of this through hole 2 has sagging step 21, and the other end 32 of nut 3 is riveted on the edge of step 21 by flange.
Nut 3 can be the nut of any shape, for example round nut, rectangle nut, six-sided nut etc.But, because polygonal nut is conducive to nut, in through hole, fix, thereby be to adopt polygonal nut in most of occasions structure of the present utility model.In addition, flange 31 is shown in Figure 8 for around the circumferential of nut 3 becomes a whole circle, and still, flange 31 can be also a plurality of flanges at edge not, if they can with the orifice edge of through hole 2 against and fix nut 3.
Especially, motor for running machine, permanent magnet DC motor for example, this is a standard piece for flange nut motor being fixed on running machine, this standard piece is not only for this product, and is convenient to dismounting, and general nut is to be all designed to regular hexagon, if circular, be unfavorable for dismounting.In addition, this nut is that motor is fixed on running machine, no matter be welding or riveted joint, if nut is fixing not firm, adopts so round nut will produce the phenomenon that nut rotation skids.And people is when running, treadmill integral rocks larger, fixing mode is required also higher.So, for the motor of running machine, conventionally adopt the nut of regular polygon.
In the accompanying drawing illustrated embodiment of this specification, nut is all shown as regular hexagon, but obviously the shape of nut can need to be selected suitable shape according to design.
The main body of through hole 2 can be also the hole of any shape, can be circle, quadrilateral, Hexagon etc.The body shape that does not comprise step 21 of through hole 2 is corresponding with the shape of nut 3, so that set screw nut 3.The shape of the body shape of through hole 2 and nut 3 is corresponding means that the body shape of through hole 2 and the shape of nut 3 can be identical, can be also not identical, as long as have the structure of being convenient to fix nut 3 in the concrete structure of the body shape of through hole 2.
Through hole 2 also has step 21, for the end of riveting nut 3.The shape of the body shape of through hole 2 and nut 3 is identical and while being all regular polygon, the shape of hole wall that comprises step 21 of through hole 2 is special-shaped polygonal, that is the hole wall that, has a step 21 will outwards expand corresponding to original regular polygon the width of step 21.Step 21 is relative two in the embodiment shown in the figures, and according to performance of the present utility model, such two relative steps just can meet fixing requirement.But, obviously step 21 can be more than two, can be even that edge one circle around hole is all step.As shown in Fig. 4,12B and 15B, at the edge flange to nut when riveting, can be to the whole edge flange corresponding with step 21, and only need localized region flange and rivet, can reach under these circumstances the requirement that utilizes riveted joint to fix nut 3.As shown in Figure 4, the regional area of flange forms arc flange region 33.
In accompanying drawing illustrated embodiment, corresponding with the shape of hexagonal nut 3, the body shape of through hole 2 is hexagonal.
Through hole 2 in casing 1 can cast out, and can be also machining.When adopting machining through hole 2, can be by stamping process punching on casing 1.If through hole 2 casts out, the shape of the through hole 2 casting out so can be identical with the shape of nut 3.Yet, if through hole 2 is machinings and is to have adopted stamping process produced, so, in order to stamp out step 21, after the side that goes out step 21 at the communications centre of through hole 2 should be taken into account punching press, the lateral edge of through hole 2 is out of shape this factor and is reserved the clearance between the side of shape of above-mentioned side and corresponding nut 3.The size of this clearance designs according to actual needs, and for example scope can be 0.1-2 millimeter, preferably, this clearance can be set as to 1 millimeter.Referring to Fig. 9 B and 10B, for example, two relative limits 22 of through hole 2 are wider 2 millimeters than other relative edge, that is, these two limits 22 are with respect to 1 millimeter of orthohexagonal two opposite side difference extension, therefore, before forming step 21, the shape of through hole 2 is special-shaped regular hexagons.Then, through stamping out step 21 at the edge on these both sides, like this, the shape of hole wall that comprises step 21 of through hole 2 is also special-shaped regular hexagon.
In mode of execution of the present utility model, preferably adopt punching press to form through hole 2.Ram efficiency is high, and expenses of labour is low, the overall cost of part approximately 9%.
For the fixing of nut 3, can adopt first punching to rush again the riveting method of step, also can adopt hole once to become stamping forming riveting method with step.Below these two kinds of modes are explained respectively.
Fig. 9 A-12B shows the first embodiment who manufactures and set screw nut of the present utility model is installed.In this embodiment through hole 2 is carried out to twice impact briquetting, this mode is generally applicable to the situation that casing 1 is thicker.When casing is thicker, be once difficult to moulding, can first in casing, go out irregularly-shaped hole so, then, secondary stamps out step by irregularly-shaped hole, finally nut is assemblied in step hole and is riveted.
Concrete this embodiment's of accompanying drawings manufacture and mounting type are as follows:
The first step, as shown in Fig. 9 A and 9B, first goes out special-shaped regular hexagon through hole, one group of opposite side 22 with respect to orthohexagonal two opposite side respectively extension relax for example 1 millimeter;
Second step, as shown in Figure 10 A and 10B, is relaxing the opposite side 22 punching press steps 21 of size, and step 214 degree of depth are for example 2 millimeters;
The 3rd step, as shown in Figure 11 A and 11B, packs flange nut 3 in made through hole 2 into from the inside of casing 1, makes the flange 21 of flange nut 3 against the orifice edge of through hole 2; And
The 4th step, as shown in Figure 12 A and 12B, is buckled on step 21 at least local flange in edge of nut 3 by riveting tool, thereby nut 3 is riveted on through hole 2.Shown in figure, be regional area flange, form the flange region of arc.
Figure 13 A-15B shows the second embodiment who manufactures and set screw nut of the present utility model is installed.This embodiment and the first embodiment's difference is: as shown in Figure 13 A and 13B, through hole 2 is not twice impact briquetting but through a punching press, just obtains having the through hole 2 of step 21.This embodiment's shape of through holes is installed with to nut 3 and the mode of flange is the same.
The utility model adopts the mode of riveted joint that nut is fixed on casing, the means of fixation of this mounting nuts, without welding slag, produce, improved the quality of product, also reduced the operation of cleaning simultaneously, and the cost that adopts such riveting method only has 1/3 to 1/2 of welding cost, so product cost is reduced.
Above the mode of execution of the mounting nuts fixed structure for equipment shell of the present utility model has been carried out to explanatory and exemplary description, for mounting nuts fixed structure of the present utility model specific features, as quantity, shape, size, annexation, those skilled in the art can carry out specific design according to the effect of the feature of above-mentioned disclosure, and can the feature of the various mode of executions of above-mentioned disclosure be combined and be changed, to realize the object of the utility model, be as the criterion.
Claims (12)
1. for a mounting nuts fixed structure for equipment shell, comprise equipment shell and mounting nuts,
It is characterized in that, described casing comprises the through hole for fixing described nut, the orifice edge that is positioned at casing inner surface of this through hole engages with the flange that is positioned at this nut one end of described nut, and one end that is positioned at casing outer surface of this through hole has sagging step, the other end of described nut is riveted on described step by flange.
2. mounting nuts fixed structure according to claim 1, is characterized in that, described equipment is motor.
3. mounting nuts fixed structure according to claim 2, is characterized in that, described equipment is permanent magnet DC motor.
4. mounting nuts fixed structure according to claim 3, is characterized in that, described equipment is the permanent magnet DC motor for running machine.
5. mounting nuts fixed structure according to claim 1, is characterized in that, described mounting nuts fixed structure is for being fixed on framework by equipment.
6. mounting nuts fixed structure according to claim 1, is characterized in that, described through hole is polygonal hole, and described step is positioned at least one group of two relative limits of described through hole.
7. mounting nuts fixed structure according to claim 6, it is characterized in that, width between described at least one group of two relative limits is greater than the width between other two relative limits without described step, thereby reserve clearance, for described nut form described step in punching press after, can pass through described through hole.
8. mounting nuts fixed structure according to claim 6, is characterized in that, described through hole is regular polygon hole.
9. mounting nuts fixed structure according to claim 8, it is characterized in that, described through hole is special-shaped regular polygon hole, width between described at least one group of two relative limits is greater than the width between other two relative limits without described step, thereby reserve clearance, for described nut form described step in punching press after, can pass through described through hole.
10. mounting nuts fixed structure according to claim 9, is characterized in that, described through hole is special-shaped regular hexagon hole, and described step is positioned at one group of two relative limit of described through hole, and the width between this group opposite side is larger than the width between other opposite side.
11. mounting nuts fixed structures according to claim 10, is characterized in that, large 2 millimeters than the width between other opposite side of the width between this group opposite side, and the degree of depth of described step is 2 millimeters.
12. according to the mounting nuts fixed structure described in any one in claim 1-11, it is characterized in that, the edge relative with described step of the described the other end of described nut be regional area flange only.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420391702.2U CN203979783U (en) | 2014-07-15 | 2014-07-15 | Mounting nuts fixed structure for equipment shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420391702.2U CN203979783U (en) | 2014-07-15 | 2014-07-15 | Mounting nuts fixed structure for equipment shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203979783U true CN203979783U (en) | 2014-12-03 |
Family
ID=51977225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420391702.2U Expired - Lifetime CN203979783U (en) | 2014-07-15 | 2014-07-15 | Mounting nuts fixed structure for equipment shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203979783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654365A (en) * | 2017-10-09 | 2018-02-02 | 陕西航天动力高科技股份有限公司 | A kind of plunger and plunger pump |
-
2014
- 2014-07-15 CN CN201420391702.2U patent/CN203979783U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654365A (en) * | 2017-10-09 | 2018-02-02 | 陕西航天动力高科技股份有限公司 | A kind of plunger and plunger pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Wujin District 213011 of Jiangsu Province, Changzhou City Yaoguan Tong Road No. 19 Patentee after: JIANGSU LEILI MOTOR CO., LTD. Address before: Wujin District 213011 of Jiangsu Province, Changzhou City Yaoguan Tong Road No. 19 Patentee before: Changzhou Leshi Leili Electrical Appliance Co., Ltd. |