CN107863843B - Vibration reduction component for motor, motor end cover and motor - Google Patents
Vibration reduction component for motor, motor end cover and motor Download PDFInfo
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- CN107863843B CN107863843B CN201711016911.3A CN201711016911A CN107863843B CN 107863843 B CN107863843 B CN 107863843B CN 201711016911 A CN201711016911 A CN 201711016911A CN 107863843 B CN107863843 B CN 107863843B
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- 238000013016 damping Methods 0.000 claims description 100
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- 239000013013 elastic material Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 37
- 230000008569 process Effects 0.000 abstract description 5
- 230000000670 limiting effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 5
- 229920002379 silicone rubber Polymers 0.000 description 4
- 239000007779 soft material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
Abstract
The invention provides a vibration reduction component for a motor, a motor end cover and a motor, wherein the vibration reduction component (1) comprises the following components: a central bore (11) having a first axis; a first end face (12) and a second end face (13), the first end face (12) and the second end face (13) being arranged opposite to each other; the first end face (12) is matched with an end cover of the motor, at least one first locking structure (2) is arranged on the first end face (12), and the first locking structure (2) can fix the vibration reduction component (1) relative to the end cover in a first axis direction when the first end face (12) is assembled with the end cover. Compared with the prior art, the invention can limit the vibration reduction part relative to the end cover in the axial direction, effectively eliminates the hidden trouble of axial loosening in the transportation process of the motor vibration reduction ring, improves the matching tightness of the vibration reduction ring and the end cover, reduces vibration and improves the safety performance of the motor.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a vibration reduction component for a motor, a motor end cover and a motor.
Background
At present, the installation mode between the vibration damping ring and the end cover of the traditional plastic package motor is fixed through the interference fit installation of the inner circle of the vibration damping ring and the outer circle of the bearing chamber of the end cover. The mounting and fixing mode has the following problems:
during transportation or working, the vibration damping rings are loosened, and customer complaints are caused frequently. In order to prevent abnormal work or customer complaints caused by poor loosening of the vibration damping ring of the after-sales motor, even returning goods, manufacturers adopt a mode of dispensing glue between the vibration damping ring and the end cover to prevent the vibration damping ring from loosening, but the cost of materials is increased, the labor cost is also increased, the operation is not simple enough, the glue is easy to lose efficacy due to the heating of the motor during the work, more importantly, sometimes the quick-paced glue is packaged without drying, and the problem of poor adhesion of the motor to the packaging material is caused, so that after-sales hidden dangers are brought.
After the motor is arranged on a terminal product, the motor can relatively rotate with the vibration damping ring after a long time because of certain vibration in the operation process of the motor, so that the outgoing line end of the motor touches the terminal product shell to cause noise.
Therefore, the anti-loosening of the vibration damping ring needs a simpler implementation mode and needs to be structurally solved.
Because the motor end cover and the damping ring in the prior art are easy to loose and are not fixed firmly, and the damping ring and the end cover are easy to rotate relatively in the motor operation process so as to collide with the shell to generate noise and other technical problems, the invention designs the damping part for the motor, the motor end cover and the motor.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the motor end cover and the damping ring in the prior art are easy to loose and are not fixed firmly, so as to provide the damping part for the motor, the motor end cover and the motor.
The invention provides a vibration damping component for an electric machine, comprising:
a central bore having a first axis;
the first end face and the second end face are arranged opposite to each other;
the first end face is matched with an end cover of the motor, at least one first locking structure is arranged on the first end face, and the first locking structure can be used for forming positioning and fixing of the vibration reduction component relative to the end cover in a first axis direction when the first end face is assembled with the end cover.
Preferably, the method comprises the steps of,
the vibration reduction part is of a circular ring structure, and the first locking structure can also form positioning and fixing of the vibration reduction part relative to the end cover in the radial direction of the vibration reduction part when the first end face is assembled with the end cover.
Preferably, the method comprises the steps of,
the first locking structure is a step-shaped clamping hole or an L-shaped buckle.
Preferably, the method comprises the steps of,
the stepped clamping hole comprises a first groove section and a second groove section, the first groove section is a straight groove extending from the first end face along the first axis direction, and the second groove section is a straight groove with one end communicated with the first groove section and extending along the direction perpendicular to the first axis direction.
Preferably, the method comprises the steps of,
the stepped clamping hole further comprises a third groove section, one end of the third groove section is communicated with the other end of the second groove section, and the other end of the third groove section extends to the second end face along the axis direction.
Preferably, the method comprises the steps of,
the step-shaped clamping holes are more than two and are distributed along the circumferential direction of the circular structure; and/or the vibration reduction component is made of elastic materials.
The present invention also provides a motor end cap having a second axis and comprising:
a bearing chamber;
the end cover boss plane is matched and connected with a vibration reduction component of the motor; and at least one second locking structure is arranged on the end cover boss plane, and the second locking structure can form positioning fixation relative to the end cover in the second axis direction for the vibration reduction part when the end cover boss plane is assembled with the vibration reduction part.
Preferably, the method comprises the steps of,
the end cover is a revolving body structure, and the second locking structure can also form positioning and fixing of the vibration reduction component relative to the end cover in the radial direction of the end cover when the boss plane of the end cover is assembled with the vibration reduction component.
Preferably, the method comprises the steps of,
the second locking structure is a step-shaped clamping hole or an L-shaped buckle.
Preferably, the method comprises the steps of,
the L-shaped buckle comprises a first protruding portion and a second protruding portion, the first protruding portion extends from the plane of the end cover boss along the second axis direction, one end of the second protruding portion is connected with the first protruding portion, and the other end of the second protruding portion extends along the direction perpendicular to the second axis direction.
Preferably, the method comprises the steps of,
the second projection extends along a circumferential direction of the end cap.
Preferably, the method comprises the steps of,
the L-shaped buckle is formed by processing part of materials on the boss plane of the end cover in a stamping mode, and meanwhile, the corresponding position on the boss plane of the end cover is formed into a groove structure.
Preferably, the method comprises the steps of,
the L-shaped buckles are more than two and are distributed along the circumferential direction of the end cover; and/or, the L-shaped buckle is made of rigid materials.
The invention also provides a motor which comprises the vibration reduction component and the motor end cover, wherein the vibration reduction component is sleeved with the motor end cover and is in buckling connection through the first locking structure and the second locking structure.
Preferably, the method comprises the steps of,
when the vibration reduction component is made of elastic materials and comprises a first groove section and a second protruding portion, the first axis of the vibration reduction component is parallel to or coincides with the second axis of the end cover, the width of the first groove section is Y along the circumferential direction of the end cover, and the length of the second protruding portion is X and X > Y.
Preferably, the method comprises the steps of,
the motor also comprises a stator assembly and a rotor assembly, and is a plastic package motor.
The vibration reduction component for the motor, the motor end cover and the motor have the following beneficial effects:
1. according to the vibration reduction component for the motor, the motor end cover and the motor, at least one first locking structure is arranged on the first end face matched with the end cover of the motor, the first locking structure can fix the vibration reduction component relative to the end cover in a first axial direction when the first end face is assembled with the end cover, and/or at least one second locking structure is arranged on the end cover boss plane matched and connected with the vibration reduction component of the motor, the second locking structure can fix the vibration reduction component relative to the end cover in a second axial direction when the end cover boss plane is assembled with the vibration reduction component, limit effect on the vibration reduction component relative to the end cover in the axial direction can be achieved, hidden danger of axial looseness in the transportation process of the motor vibration reduction ring is effectively avoided, the matching tightness of the vibration reduction ring and the end cover is improved, and the safety performance of the motor is improved;
2. according to the vibration reduction component for the motor, the motor end cover and the motor, the first locking structure can also be used for positioning and fixing the vibration reduction component relative to the end cover in the radial direction of the vibration reduction component when the first end face is assembled with the end cover, and/or the second locking structure can also be used for positioning and fixing the vibration reduction component relative to the end cover in the radial direction of the end cover when the boss plane of the end cover is assembled with the vibration reduction component, so that the noise problem caused by collision between the motor outlet end and the end product shell due to relative rotation of the end cover and the vibration reduction ring in motor operation can be prevented, the production procedure is simplified, the material cost is saved, and the after-sales hidden danger is reduced;
3. according to the vibration reduction component for the motor, the motor end cover and the motor, the L-shaped hanging buckle structure on the end cover is matched with the stepped hole of the vibration reduction ring, the L-shaped hanging buckle of the end cover can be easily sleeved into the stepped hole of the vibration reduction ring through the plasticity and the memory property of the vibration reduction ring material, the vibration reduction ring and the end cover are tightly buckled together, the axial and radial bidirectional loosening displacement of the vibration reduction ring is effectively prevented, the fastening parts are not required to be added, and the vibration reduction ring and the end cover structure are only changed; the structure does not influence the use of the existing die, has high universality, does not need to be added with glue, effectively simplifies the working procedures in the production process and saves the production cost; the problem of noise caused by collision between the motor wire outlet end and the shell of the terminal product due to relative vibration of the motor and the damping ring in operation is avoided, and after-sale hidden danger is reduced.
Drawings
FIG. 1 is a schematic perspective view of a vibration damping member of the present invention;
FIG. 2 is a schematic perspective view of a motor end cap of the present invention;
FIG. 3 is a schematic view of the assembled structure of the vibration reduction assembly of the present invention in combination with a motor end cap;
FIG. 4 is a schematic cross-sectional view of the longitudinal section of FIG. 3 at the mounting portion;
fig. 5 is a cross-sectional view of the motor of the present invention after the vibration reduction assembly is completed with the motor end cap.
The reference numerals in the drawings are as follows:
1. a vibration damping member; 11. a central bore; 12. a first end face; 13. a second end face; 14. an inner ring; 2. a first locking structure; 21. a step-shaped clamping hole; 211. a first trough section; 212. a second trough section; 213. a third trough section; 3. a motor end cover; 31. a bearing chamber; 311. an outer race of the bearing chamber; 32. the end cover boss plane; 33. a transition section; 34. flanging; 4. a second locking structure; 41. an L-shaped buckle; 411. a first projection; 412. a second projection; 5. a stator assembly; 6. a rotor assembly.
Detailed Description
Example 1
As shown in fig. 1, the present invention provides a vibration damping member 1 for an electric motor, comprising:
a central bore 11 having a first axis;
a first end face 12 and a second end face 13, the first end face 12 and the second end face 13 being disposed opposite each other;
the first end face 12 is matched with an end cover of the motor, at least one first locking structure 2 is arranged on the first end face 12, and the first locking structure 2 can form positioning fixation relative to the end cover in a first axis direction for the vibration reduction component 1 when the first end face 12 is assembled with the end cover.
Through be provided with at least one first locking structure on the first terminal surface with the end cover matched with of motor, first locking structure can be at first terminal surface with the end cover is assembled the time with vibration damping part forms fixed for the location of end cover in first axis direction, can carry out axial direction's spacing effect for the end cover to vibration damping part, and then stop motor vibration damping ring transportation effectively and take place the hidden danger of axial pine and take place, improves vibration damping ring and end cover complex fastening degree, improves the security performance of motor.
Preferably, the method comprises the steps of,
the vibration reduction component 1 is of a circular ring structure, and the first locking structure 2 can also form positioning fixation relative to the end cover in the radial direction of the vibration reduction component when the first end face 12 is assembled with the end cover.
The first locking structure can also be used for forming positioning fixation of the vibration reduction part relative to the end cover in the radial direction of the vibration reduction part when the first end face is assembled with the end cover, can be used for forming a limiting effect of the vibration reduction part relative to the end cover in the radial direction, can also be used for preventing noise caused by collision of a motor wire outlet end and a terminal product shell due to relative rotation of the end cover and the vibration reduction ring in motor operation, and has the advantages of simplifying production procedures, saving material cost and reducing after-sale hidden danger.
Preferably, the method comprises the steps of,
the first locking structure 2 is a step-shaped clamping hole 21, or the first locking structure 2 is an L-shaped buckle. The first locking structure is in a preferable structural form, the clamping connection effect can be formed through the step-shaped clamping holes or the L-shaped clamping buckles, and meanwhile, the limiting effect on the vibration reduction part relative to the end cover is formed in the axial direction and the radial direction, so that the axial and radial bidirectional loose displacement of the vibration reduction part is prevented.
Preferably, the method comprises the steps of,
as shown in fig. 4, the stepped clamping hole 21 includes a first groove section 211 and a second groove section 212, wherein the first groove section 211 is a straight groove extending from the first end surface 12 along the first axis direction, and the second groove section 212 is a straight groove having one end communicating with the first groove section 211 and extending in a direction perpendicular to the first axis direction.
The first locking structure is in a preferable structural form when the first locking structure is a stepped clamping hole, a straight groove and a straight groove can be formed in the axial direction through the first groove section and the second groove section respectively, so that an L-shaped stepped groove is formed, further, when parts such as a buckle are inserted into the first locking structure, the second groove section can form a limiting function in the axial direction to prevent the vibration reduction part from loosening in the axial direction, and the first groove section forms a limiting function in the radial direction to the vibration reduction part to prevent the vibration reduction part from rotating relatively between the radial direction and the end cover so as not to play a role in vibration reduction, so that shell collision noise is generated.
The L-shaped hanging buckle structure on the end cover is matched with the stepped hole of the damping ring, the L-shaped hanging buckle of the end cover can be easily sleeved into the stepped hole of the damping ring through the plasticity and the memory property of the damping ring material, and the damping ring and the end cover are tightly buckled together, so that the axial and radial bidirectional loose displacement of the damping ring is effectively prevented, the fastening parts are not required to be added, and the structure of the damping ring and the end cover can be realized only by changing the structures of the damping ring and the end cover; the structure does not influence the use of the existing die, has high universality, does not need to be added with glue, effectively simplifies the working procedures in the production process and saves the production cost; the problem of noise caused by collision between the motor wire outlet end and the shell of the terminal product due to relative vibration of the motor and the damping ring in operation is avoided, and after-sale hidden danger is reduced.
Preferably, the method comprises the steps of,
as shown in fig. 4, the stepped clamping hole 21 further includes a third groove segment 213, one end of the third groove segment 213 is communicated with the other end of the second groove segment 212, and the other end of the third groove segment 213 extends to the second end face 13 along the axial direction. The arrangement of the third groove section can enable the buckle to provide elastic deformation avoidance space of the vibration reduction component.
Preferably, the method comprises the steps of,
the stepped clamping holes 21 are more than two and are distributed along the circumferential direction of the annular structure. The method comprises the steps of carrying out a first treatment on the surface of the And/or the vibration reduction component is made of elastic materials. Further preferably, the elastic material is a soft material such as silica gel or rubber. The adoption of more than two step-type clamping holes can arrange a plurality of clamping holes in the circumferential direction of the first end face of the vibration reduction part so as to realize firm clamping between the vibration reduction part and the end cover, further prevent the vibration reduction part from falling off in the axial direction and the radial direction, the vibration reduction part is made of elastic materials, certain yielding deformation can be caused when the end cover is clamped, and therefore the clamping buckle on the end cover can be clamped into the step-type clamping hole to finish the clamping.
The invention provides a vibration reduction part (preferably a vibration reduction ring) fixing mode, which comprises a vibration reduction part and an end cover, and specifically comprises the following steps:
as shown in fig. 1, the damping ring has a circular ring structure, and is made of soft materials such as silica gel; a plurality of stepped holes are formed in the first end face 12;
as shown in fig. 2, the end cap is provided with a bearing chamber 31 and an end cap boss plane 32, and an L-shaped buckle 41 is provided on the end cap boss plane 32 connected with the bearing chamber 31.
According to the invention, the damping ring is matched with the L-shaped hanging buckle of the end cover through the stepped hole formed in the damping ring, the damping ring is made of soft materials such as silicone rubber, the inner circle of the damping ring is in interference fit with the outer circle of the bearing chamber of the end cover, meanwhile, the damping ring is sleeved in the L-shaped hanging buckle along the interference fit of the L-shaped hanging buckle until the L-shaped hanging buckle is hung on the stepped plane in the stepped hole of the damping ring, the damping ring is elastically buckled, so that the damping ring is kept to be limited in the axial direction and the radial direction, and the problems of axial loosening of the damping ring and radial relative rotation of the motor and the damping ring are effectively avoided.
Example 2
As shown in fig. 2-4, the present invention also provides a motor end cap 3 having a second axis and comprising:
a bearing chamber 31;
an end cover boss plane 32, wherein the end cover boss plane 32 is matched and connected with the vibration reduction component 1 of the motor; and at least one second locking structure 4 is arranged on the end cover boss plane 32, and the second locking structure 4 can form positioning fixation relative to the end cover in the second axis direction for the vibration reduction component 1 when the end cover boss plane 32 is assembled with the vibration reduction component 1.
Through be provided with at least one second locking structure on the end cover boss plane that meets with the damping part cooperation of motor, the second locking structure can be in the end cover boss plane with the damping part is assembled the time to the damping part forms fixed for the location of end cover in the second axis direction, can carry out axial direction's spacing effect for the end cover to the damping part, and then stop motor damping circle transportation and take place the hidden danger of axial pine effectively, improve damping circle and end cover complex fastening degree, improve the security performance of motor.
Preferably, the method comprises the steps of,
the end cover 3 is a revolving body structure, and the second locking structure 4 can also form positioning and fixing of the vibration reduction component relative to the end cover in the radial direction of the end cover when the end cover boss plane 32 is assembled with the vibration reduction component 1.
Through the second locking structure can also be in the end cover boss plane with the damping part is assembled the time the damping part forms for the end cover is fixed in the location of end cover radial direction, can form spacing effect for the damping part for the end cover in radial direction, can also prevent to take place relative rotation and lead to motor play line end and terminal product casing collision and the noise problem that arouses with the damping ring in motor operation, simplify production process and save material cost, reduce after sale hidden danger.
Preferably, the method comprises the steps of,
the second locking structure 4 is a stepped clamping hole, or the second locking structure 4 is an L-shaped buckle 41. The second locking structure is in a preferable structural form, the clamping connection effect can be formed through the step-shaped clamping holes or the L-shaped clamping buckles, and meanwhile, the limiting effect on the vibration reduction part relative to the end cover is formed in the axial direction and the radial direction, so that the axial and radial bidirectional loose displacement of the vibration reduction part is prevented.
Preferably, the method comprises the steps of,
the L-shaped buckle 41 includes a first protruding portion 411 and a second protruding portion 412, the first protruding portion 411 extends from the end cap boss plane 32 along the second axis direction, and one end of the second protruding portion 412 is connected to the first protruding portion 411, and the other end extends along the direction perpendicular to the second axis direction.
The second locking structure is in a preferable structural form when the second locking structure is an L-shaped buckle, the first protruding part and the second protruding part can respectively form a bulge in the axial direction and a bulge in the radial direction, so that the L-shaped buckle is formed, the damping part can be prevented from loosening in the axial direction through the limiting effect of the second protruding part in the axial direction when the buckle is inserted into the stepped clamping hole, and the damping part can be prevented from relatively rotating between the radial direction and the end cover to prevent the damping part from generating a damping effect and generating shell collision noise through the limiting effect of the first protruding part on the damping part in the radial direction.
The L-shaped buckle structure on the end cover is matched with the stepped hole of the damping ring, the L-shaped buckle of the end cover can be easily sleeved into the stepped hole of the damping ring through the plasticity and the memory property of the damping ring material, and the damping ring and the end cover are tightly buckled together, so that the axial and radial bidirectional loose displacement of the damping ring is effectively prevented, the fastening parts are not required to be added, and the damping ring and the end cover structure are only changed; the structure does not influence the use of the existing die, has high universality, does not need to be added with glue, effectively simplifies the working procedures in the production process and saves the production cost; the problem of noise caused by collision between the motor wire outlet end and the shell of the terminal product due to relative vibration of the motor and the damping ring in operation is avoided, and after-sale hidden danger is reduced.
Preferably, the method comprises the steps of,
the second projection 412 extends along the circumference of the end cap. The second protruding part extending along the circumferential direction can be inserted into the stepped hole, so that the limiting effect on the vibration reduction part along the axial direction and the end cover is effectively formed, and the vibration reduction part and the end cover are prevented from falling off in the axial direction.
Preferably, the method comprises the steps of,
the L-shaped buckle 41 is formed by processing part of the material on the end cover boss plane 32 by stamping or the like, and simultaneously forms a groove structure at the corresponding position on the end cover boss plane 32. The L-shaped buckle is specifically formed in the invention, and referring to fig. 2, the L-shaped buckle and the end cover are integrally formed and manufactured, and the L-shaped buckle and the end cover are firmly prevented from falling off, so that the end cover can firmly fix the vibration reduction component.
Preferably, the method comprises the steps of,
the L-shaped buckles 41 are two or more and are arranged along the circumferential direction of the end cover; and/or, the L-shaped buckle 41 is made of rigid material. Adopt the L type buckle more than two can arrange a plurality of these buckles in order to realize firm joint between damping part and the end cover in the end cover boss planar circumference of end cover, further prevent that damping part from taking place to drop in axial and radial, L type buckle selects the rigid material preparation, can guarantee its structural strength for damping part takes place certain yielding deformation when end cover and damping part joint, thereby make the buckle on the end cover can block into in this ladder type draw-in hole, accomplish the joint.
Example 3
As shown in fig. 5, the present invention further provides a motor, which includes the vibration reduction component 1 and the motor end cover 3, where the vibration reduction component 1 is sleeved with the motor end cover 3, and is fastened and connected with the motor end cover 3 through the first locking structure 2 and the second locking structure 4.
Through be provided with at least one first locking structure on the first terminal surface with the end cover of motor, first locking structure can be when first terminal surface with the end cover is assembled to the vibration damping part forms the fixed location of first axis direction relative to the end cover, and through be provided with at least one second locking structure on the end cover boss plane that meets with the vibration damping part cooperation of motor, second locking structure can be when end cover boss plane with the vibration damping part is assembled to the vibration damping part forms the fixed location relative to the end cover in the second axis direction, can carry out axial direction's limiting displacement to the vibration damping part relative to the end cover, stops effectively that the motor vibration damping ring transportation takes place axial loose's hidden danger, improves vibration damping ring and end cover complex fastening degree, improves the security performance of motor
Preferably, the method comprises the steps of,
when the vibration damping component is made of elastic material and comprises a first groove section 211 and a second protruding portion 412, the first axis of the vibration damping component is parallel to the second axis of the end cover, the width of the first groove section 211 is set as Y along the circumferential direction of the end cover, and the length of the second protruding portion 412 is set as X, and X > Y.
The length dimension Y of the assembly surface of the stepped hole on the damping ring is smaller than the length dimension X of the L-shaped hanging buckle on the end cover, the L-shaped hanging buckle is made of elastic materials such as silicon rubber, the L-shaped hanging buckle is made of rigid materials, the L-shaped hanging buckle cannot be influenced by the size design to be sleeved into the damping ring, and the stepped hole can be buckled and fastened with the L-shaped hanging buckle after the elastic damping ring is sleeved in place through rebound appearance recovery;
as shown in figures 3 and 4, a damping ring fixing mode is that the inner circle of the damping ring is matched with the outer circle of the bearing chamber of the end cover, meanwhile, as the damping ring is made of elastic materials such as silicone rubber, the damping ring can be sleeved in the process along the L-shaped hanging buckle of the end cover, the size X of the damping ring is elastically increased due to extrusion of the L-shaped hanging buckle until the L-shaped hanging buckle is hung at the step plane in the step hole of the damping ring, and finally the shape of the size X of the damping ring is rebounded to an initial value, the hanging buckle and the step plane of the damping ring can keep fastening, so that the problems of axial loosening of the damping ring and radial relative rotation of the motor running and the damping ring are solved.
According to the invention, the damping ring is matched with the L-shaped hanging buckle of the end cover through the stepped hole formed in the damping ring, the damping ring is made of soft materials such as silicone rubber, the inner circle of the damping ring is in interference fit with the outer circle of the bearing chamber of the end cover, meanwhile, the damping ring is sleeved in the L-shaped hanging buckle along the interference fit of the L-shaped hanging buckle until the L-shaped hanging buckle is hung on the stepped plane in the stepped hole of the damping ring, the damping ring is elastically buckled, so that the damping ring is kept to be limited in the axial direction and the radial direction, and the problems of axial loosening of the damping ring and radial relative rotation of the motor and the damping ring are effectively avoided.
Preferably, the method comprises the steps of,
the motor also comprises a stator assembly and a rotor assembly, and is a plastic package motor.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (10)
1. An electric motor, characterized in that: the motor end cover comprises a vibration reduction component (1) and a motor end cover (3), wherein the vibration reduction component (1) is sleeved with the motor end cover (3) and is in buckling connection with the motor end cover through a first locking structure (2) and a second locking structure (4);
the vibration damping member (1) comprises: a central bore (11) having a first axis; a first end face (12) and a second end face (13), the first end face (12) and the second end face (13) being arranged opposite to each other; wherein the first end face (12) is matched with the motor end cover, at least one first locking structure (2) is arranged on the first end face (12), and the first locking structure (2) can form positioning fixation of the vibration reduction component (1) relative to the motor end cover in a first axis direction when the first end face (12) is assembled with the motor end cover;
the motor end cap (3) has a second axis and comprises: a bearing chamber (31); the end cover boss plane (32) is connected with the bearing chamber, and the end cover boss plane (32) is connected with the vibration reduction component (1) of the motor in a matching way; at least one second locking structure (4) is arranged on the end cover boss plane (32), and the second locking structure (4) can form positioning fixation of the vibration reduction component (1) relative to an end cover in the second axis direction when the end cover boss plane (32) is assembled with the vibration reduction component (1);
the first locking structure (2) is a step-shaped clamping hole (21), the step-shaped clamping hole (21) comprises a first groove section (211) and a second groove section (212), the first groove section (211) is a straight groove extending from the first end face (12) along the first axis direction, and the second groove section (212) is a straight groove with one end communicated with the first groove section (211) and extending along the direction perpendicular to the first axis direction;
the second locking structure (4) is an L-shaped buckle (41); the L-shaped buckle (41) comprises a first protruding part (411) and a second protruding part (412), the first protruding part (411) extends from the end cover boss plane (32) along the second axis direction, one end of the second protruding part (412) is connected with the first protruding part (411), and the other end of the second protruding part extends along the direction perpendicular to the second axis direction;
the first protruding part (411) is in plug-in fit with the first groove section (211), and the second protruding part (412) is in plug-in fit with the second groove section (212), so that axial limit and radial limit between the vibration reduction component and the motor end cover are formed.
2. The electric machine of claim 1, wherein:
the vibration reduction component (1) is of a circular ring structure, and the first locking structure (2) can also form positioning fixation relative to the end cover in the radial direction of the vibration reduction component when the first end face (12) is assembled with the end cover.
3. The electric machine of claim 1, wherein:
the stepped clamping hole (21) further comprises a third groove section (213), one end of the third groove section (213) is communicated with the other end of the second groove section (212), and the other end of the third groove section (213) extends to the second end face (13) along the axis direction.
4. The electric machine of claim 2, wherein:
the step-shaped clamping holes (21) are more than two and are distributed along the circumferential direction of the circular structure; and/or the vibration reduction component is made of elastic materials.
5. The electric machine of claim 1, wherein:
the motor end cover (3) is a revolving body structure, and the second locking structure (4) can also form positioning fixation relative to the end cover in the radial direction of the end cover for the vibration reduction component when the end cover boss plane (32) is assembled with the vibration reduction component (1).
6. The electric machine of claim 1, wherein:
the second projection (412) extends along a circumferential direction of the end cap.
7. The electric machine of claim 1, wherein:
the L-shaped buckle (41) is formed by processing part of materials on the end cover boss plane (32) in a stamping mode, and meanwhile, a groove structure is formed at the corresponding position on the end cover boss plane (32).
8. The electric machine of claim 1, wherein:
the L-shaped buckles (41) are more than two and are distributed along the circumferential direction of the end cover; and/or, the L-shaped buckle (41) is made of rigid materials.
9. The electric machine of claim 1, wherein:
when the vibration reduction component is made of elastic materials and comprises a first groove section (211) and a second protruding portion (412), the first axis of the vibration reduction component is parallel to the second axis of the end cover, the width of the first groove section (211) is Y along the circumferential direction of the end cover, and the length of the second protruding portion (412) is X, and X > Y is arranged.
10. The electric machine of claim 1, wherein:
the motor also comprises a stator assembly and a rotor assembly, and is a plastic package motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016911.3A CN107863843B (en) | 2017-10-26 | 2017-10-26 | Vibration reduction component for motor, motor end cover and motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016911.3A CN107863843B (en) | 2017-10-26 | 2017-10-26 | Vibration reduction component for motor, motor end cover and motor |
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| Publication Number | Publication Date |
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| CN107863843A CN107863843A (en) | 2018-03-30 |
| CN107863843B true CN107863843B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711016911.3A Active CN107863843B (en) | 2017-10-26 | 2017-10-26 | Vibration reduction component for motor, motor end cover and motor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111189275B (en) * | 2020-01-09 | 2021-08-24 | 青岛海尔电冰箱有限公司 | Household electrical appliance |
| CN113489187B (en) * | 2021-07-08 | 2022-09-02 | 珠海格力电器股份有限公司 | Vibration reduction rotor and motor with same |
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| JP4529142B2 (en) * | 2005-07-21 | 2010-08-25 | 東海ゴム工業株式会社 | Vibration isolator |
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| JP2004092805A (en) * | 2002-08-30 | 2004-03-25 | Tokai Rubber Ind Ltd | Damper having foreign matter discharging function |
| CN201252441Y (en) * | 2008-09-10 | 2009-06-03 | 常州祥明电机有限公司 | Vibration-damping device of motor |
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| CN107863843A (en) | 2018-03-30 |
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