CN207251352U - A kind of electric machine casing of shockproof denoising structure - Google Patents
A kind of electric machine casing of shockproof denoising structure Download PDFInfo
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- CN207251352U CN207251352U CN201721331543.7U CN201721331543U CN207251352U CN 207251352 U CN207251352 U CN 207251352U CN 201721331543 U CN201721331543 U CN 201721331543U CN 207251352 U CN207251352 U CN 207251352U
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- end cap
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- electric machine
- casing
- shockproof
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Abstract
A kind of electric machine casing of shockproof denoising structure, belongs to technical field of motor manufacture, including shaft, rotor and stator；Several cylinder grooves are laid with the front/rear end of casing cylinder, the front end of casing cylinder is connected with drive end bearing bracket, rear end is connected with rear end cap, several end caps protrusion is laid with the end face of drive end bearing bracket and rear end cap, the unthreaded hole through end cap protrusion is equipped with the center of end cap protrusion, the slot bottom of cylinder groove is equipped with tapped blind hole, the raised connection corresponding with cylinder groove of end cap, connection bolt is screwed through unthreaded hole to be connected in tapped blind hole, is also connected with being equipped with ring flange on drive end bearing bracket.The utility model structure is novel, compared with traditional electric machine structure, contact surface between the utility model end cap and casing cylinder is substantially increased, heat dissipation performance is also substantially improved, reduce vibrations when motor works and noise, the working stability performance of motor is further increased, the physical and mental health of operating personnel is also ensured.
Description
Technical field
The utility model belongs to technical field of motor manufacture, is related to a kind of electric machine casing, particularly relates to a kind of anti-
Shake the electric machine casing of denoising structure.
Background technology
Motor is the equipment for converting electrical current into mechanical energy, in machinery, metallurgy, oil, coal, chemistry, aviation, friendship
In logical, agricultural and other various industry, motor is widely used.As industrial automatization is continuously improved, need
To use various elements of the control motors as automated system, in the automatic control system of artificial satellite, motor
It is indispensable.In addition motor also more comes (in the household electrical appliances industry of modernization) in national defence, culture and education, medical treatment and daily life
More widely application.
Existing motor at work, can produce substantial amounts of shaking force, this is because in traditional electric machine structure, stator
It is directly to mechanically connect between iron core and casing, between end cap and casing, in use, with the rotation of rotor, the noise of motor
Outer surface is directly delivered to, causes the sharp pounding of motor, is that motor noise becomes larger, and when the contact surface between end cap and casing
Uneven or less contact area situation can also cause strong vibrations, and this vibrations can cause environmental pollution, operating personnel's
Physical and mental health is highly prone to damage.Further, since prolonged shake the fixing pieces such as the bolt easily caused on motor, screw
Produce and loosen or depart from, finally cause security incident.With enhancing of the people to safety in utilization, more and more people focus on subtracting
Measure in terms of shake, such as increases crash roll, but these measures can not be fully solved the phenomenon of vibrations.
Utility model content
The utility model is big for conventional motors operating noise, and housing causes less with end cap contact surface injustice or contact area
Vibrations, easily cause security incident, the deficiencies of physical and mental health of operating personnel is extremely vulnerable, proposes a kind of shockproof noise reduction
The electric machine casing of structure, the deficiency that can effectively solve the above problems, can reduce vibrations when motor works and noise, can be further
Improve the working stability performance of motor.
The technical solution of the utility model：A kind of electric machine casing of shockproof denoising structure, including it is arranged on motor internal
Shaft, the rotor being fixedly connected with shaft, and the stator being arranged on motor housing cylinder inboard wall；It is characterized in that：It is described
Several cylinder grooves are laid with the front/rear end of casing cylinder, the front end of the casing cylinder is connected with drive end bearing bracket,
Rear end is connected with rear end cap, several end caps protrusion, the end cap are laid with the end face of the drive end bearing bracket and rear end cap
The unthreaded hole through end cap protrusion is equipped with raised center, the slot bottom of the cylinder groove is equipped with tapped blind hole, and the end cap is convex
Connection corresponding with cylinder groove is played, connection bolt is screwed through the unthreaded hole to be connected in tapped blind hole, on the drive end bearing bracket also
It is connected with ring flange.
The quantity of the cylinder groove is 3~6, and cylinder groove is in circular cone structure, and the taper of cylinder groove is 1:10.
The raised circular cone structure for protrusion of the end cap, quantity, position and the cylinder groove of end cap protrusion correspond,
End cap is raised to form clearance fit of the fit clearance less than 0.1mm with cylinder groove.
The depth of thread of the tapped blind hole is 2 times of tapped blind hole aperture.
The ring flange is connected fixation with drive end bearing bracket by hex bolts.
The casing cylinder is internally provided with heat emission hole, and heat dissipation exit orifice is equipped with the top of heat emission hole, and heat emission hole bottom, which is equipped with, to be dissipated
Hot endoporus.
The beneficial effects of the utility model are：The utility model proposes a kind of shockproof denoising structure electric machine casing, knot
Structure is novel, the cylinder groove of motor housing body end surface setting circular cone structure, on the drive end bearing bracket and rear end cap at motor both ends
End cap equipped with circular cone structure is raised, and end cap is raised to be connected with cylinder groove, in addition, being additionally provided with inside casing cylinder more
A heat emission hole, compared with traditional electric machine structure, the contact surface between the utility model end cap and casing cylinder is substantially increased,
Heat dissipation performance is also substantially improved, and reduces vibrations when motor works and noise, further increases the work of motor
Stability, the physical and mental health of operating personnel are also ensured.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the partial enlargement structural representation at A in Fig. 1.
Fig. 3 is the end structure illustration of drive end bearing bracket in the utility model.
In figure：Shaft 1, ring flange 2, connection bolt 3, drive end bearing bracket 4, end cap protrusion 4-1, casing cylinder 5, cylinder groove 5-
1st, rear end cap 6, stator 7, rotor 8.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figs. 1-3, a kind of electric machine casing of shockproof denoising structure, including the shaft 1 of motor internal is arranged on, with turning
The rotor 8 that axis 1 is fixedly connected, and the stator 7 being arranged on 5 inner wall of motor housing cylinder；On the front/rear end of casing cylinder 5
Several cylinders groove 5-1 is laid with, the front end of casing cylinder 5 is connected with drive end bearing bracket 4, and rear end is connected with rear end cap 6,
Several end caps protrusion 4-1 is laid with the end face of drive end bearing bracket 4 and rear end cap 6, is equipped with and runs through at the center of end cap protrusion 4-1
The unthreaded hole of end cap protrusion 4-1, the slot bottom of cylinder groove 5-1 are equipped with tapped blind hole, and end cap protrusion 4-1 is corresponding with cylinder groove 5-1
Connection, connection bolt 3 is screwed through unthreaded hole to be connected in tapped blind hole, is also connected with being equipped with ring flange 2 on drive end bearing bracket 4.
As shown in Figs. 1-3, a kind of electric machine casing of shockproof denoising structure, the quantity of cylinder groove 5-1 is 3~6, cylinder
Groove 5-1 is in circular cone structure, and the taper of cylinder groove 5-1 is 1:10；End cap protrusion 4-1 is the circular cone structure of protrusion, is held
Quantity, position and the cylinder groove 5-1 for covering protrusion 4-1 are corresponded, and end cap protrusion 4-1 and cylinder groove 5-1 are formed between coordinating
Gap is less than the clearance fit of 0.1mm；The depth of thread of tapped blind hole is 2 times of tapped blind hole aperture；Ring flange 2 passes through hexagonal spiral shell
Bolt is connected fixation with drive end bearing bracket 4；Casing cylinder 5 is internally provided with heat emission hole, and heat dissipation exit orifice, heat emission hole bottom are equipped with the top of heat emission hole
Portion is equipped with heat dissipation endoporus.
The utility model structure is novel, and motor housing body end surface sets the cylinder groove of circular cone structure, motor both ends
Drive end bearing bracket and rear end cap on be equipped with circular cone structure end cap it is raised, end cap is raised to be connected with cylinder groove, in addition,
Multiple heat emission holes are additionally provided with inside casing cylinder, compared with traditional electric machine structure, between the utility model end cap and casing cylinder
Contact surface is substantially increased, and heat dissipation performance is also substantially improved, and reduces vibrations when motor works and noise, into
One step improves the working stability performance of motor, and the physical and mental health of operating personnel is also ensured.
Claims (6)
1. a kind of electric machine casing of shockproof denoising structure, including the shaft (1) of motor internal is arranged on, with the fixed company of shaft (1)
The rotor (8) connect, and the stator (7) being arranged on motor housing cylinder (5) inner wall；It is characterized in that：The casing cylinder
(5) several cylinder grooves (5-1) are laid with front/rear end, the front end of the casing cylinder (5) is connected with front end
Cover (4), rear end is connected with rear end cap (6), several ends are laid with the end face of the drive end bearing bracket (4) and rear end cap (6)
Lid is raised (4-1), and the unthreaded hole through end cap raised (4-1), the cylinder groove are equipped with the center of the end cap raised (4-1)
The slot bottom of (5-1) is equipped with tapped blind hole, the end cap raised (4-1) connection corresponding with cylinder groove (5-1), connection bolt (3)
Screw and be connected in tapped blind hole through the unthreaded hole, be also connected with being equipped with ring flange (2) on the drive end bearing bracket (4).
A kind of 2. electric machine casing of shockproof denoising structure according to claim 1, it is characterised in that：The cylinder groove
The quantity of (5-1) is 3~6, and cylinder groove (5-1) is in circular cone structure, and the taper of cylinder groove (5-1) is 1:10.
A kind of 3. electric machine casing of shockproof denoising structure according to claim 1, it is characterised in that：The end cap is raised
(4-1) is the circular cone structure of protrusion, and quantity, position and the cylinder groove (5-1) of end cap protrusion (4-1) correspond, end cap
Raised (4-1) forms clearance fit of the fit clearance less than 0.1mm with cylinder groove (5-1).
A kind of 4. electric machine casing of shockproof denoising structure according to claim 1, it is characterised in that：The tapped blind hole
The depth of thread is 2 times of tapped blind hole aperture.
A kind of 5. electric machine casing of shockproof denoising structure according to claim 1, it is characterised in that：The ring flange (2)
Fixation is connected with drive end bearing bracket (4) by hex bolts.
A kind of 6. electric machine casing of shockproof denoising structure according to claim 1, it is characterised in that：The casing cylinder
(5) be internally provided with heat emission hole, heat dissipation exit orifice is equipped with the top of heat emission hole, heat emission hole bottom is equipped with heat dissipation endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721331543.7U CN207251352U (en) | 2017-10-16 | 2017-10-16 | A kind of electric machine casing of shockproof denoising structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721331543.7U CN207251352U (en) | 2017-10-16 | 2017-10-16 | A kind of electric machine casing of shockproof denoising structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207251352U true CN207251352U (en) | 2018-04-17 |
Family
ID=61882764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721331543.7U Active CN207251352U (en) | 2017-10-16 | 2017-10-16 | A kind of electric machine casing of shockproof denoising structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207251352U (en) |
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2017
- 2017-10-16 CN CN201721331543.7U patent/CN207251352U/en active Active
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