CN203039535U - Shell of asynchronous motor - Google Patents
Shell of asynchronous motor Download PDFInfo
- Publication number
- CN203039535U CN203039535U CN 201220754384 CN201220754384U CN203039535U CN 203039535 U CN203039535 U CN 203039535U CN 201220754384 CN201220754384 CN 201220754384 CN 201220754384 U CN201220754384 U CN 201220754384U CN 203039535 U CN203039535 U CN 203039535U
- Authority
- CN
- China
- Prior art keywords
- machine barrel
- shell
- hole
- rod
- rear end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a shell of an asynchronous motor, and pertains to the technical field of motor parts, so as to solve the problems that the shell of the motor in the prior art is unreasonable in the structure design and inconvenient in mounting. The shell of the asynchronous motor comprises a cylindrical machine barrel, a front end cover arranged at the front portion of the machine barrel and a back end cover arranged at the back portion of the machine barrel, wherein the front portion of the machine barrel is provided with an inner annular step one; an outer annular step one matched with the inner annular step one is arranged on the front end cover; the back end of the machine barrel is provided with an inner annular step two; an outer annular step two matched with the inner annular step two is arranged on the back end cover; and a connection structure for connecting the machine barrel, the front end cover and the back end cover together is arranged between the front end cover and the back end cover. The shell of the asynchronous motor has the advantages that the mounting is convenient, the structure is reasonably designed and the like.
Description
Technical field
The utility model belongs to motor parts technical field, relates to the shell of a kind of shell, particularly a kind of asynchronous motor.
Background technology
Along with the develop rapidly of economic construction, motor as the power source application more and more widely, asynchronous motor be most widely used in all kinds of motor, that requirement is maximum is a kind of.In China, the power consumption of asynchronous motor accounts for more than 60% of total load, generally is applied on the large industry equipment, and the high power epistasis of power can be stablized and obtained generally assert, for huge contribution has been made in economic development.
The shell of existing motor generally comprises machine barrel, be located at the front end housing of this machine barrel front portion and be located at the rear end cap at this machine barrel rear portion, and wherein front end housing and machine barrel be by bolt or be welded to connect, and rear end cap and machine barrel are by bolt or be welded to connect.When connecting by bolt, in order to make its connection more firm, need between to connect a plurality of bolts, need tighten a plurality of bolts simultaneously during installation, complicated operation and installation difficulty are big.If when being welded to connect, the shell of motor is then non-dismountable, after the motor interior damage of components, is difficult for it is changed.Therefore, a kind of shell of reasonable in design, easy for installation and dismountable asynchronous motor need be provided.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of shell of asynchronous motor reasonable in design, easy for installation.
The purpose of this utility model can realize by following technical proposal:
A kind of shell of asynchronous motor, comprise tubular machine barrel, be located at the front end housing of machine barrel front portion and be located at the rear end cap at machine barrel rear portion, it is characterized in that, the front portion of described machine barrel has interior ring-shaped step one, have on the described front end housing with this in the outer ring step one that is complementary of ring-shaped step one, the rear end of described machine barrel has interior ring-shaped step two, have on the described rear end cap with this in the outer ring step two that is complementary of ring-shaped step two, be provided with the syndeton that links together for machine barrel, front end housing and rear end cap between described front end housing and the rear end cap.
In the shell of above-mentioned asynchronous motor, have on the surface of described front end housing some along its edge equally distributed through hole one, just also have on the face of described rear end cap some along its edge equally distributed through hole two, described through hole one and through hole two relative settings, above-mentioned syndeton comprises some bodies of rod that are located in through hole one and the through hole two, one end of the described body of rod passes through hole one and is provided with the bar head in its end, passes through hole two on the other end of the described body of rod and is provided with external screw thread at the place, end of the body of rod.
In the shell of above-mentioned asynchronous motor, the diameter of described bar head is greater than the diameter of through hole one; Also be arranged with the nut that is complementary with above-mentioned external screw thread on the described body of rod.
In the shell of above-mentioned asynchronous motor, the described body of rod is 2-6, and the described body of rod evenly distributes along the edge of front end housing.
In the shell of above-mentioned asynchronous motor, the described body of rod is 4.
In the shell of above-mentioned asynchronous motor, have some equally distributed fresh air inlets on the described machine barrel.
In the shell of above-mentioned asynchronous motor, the middle part indent of described rear end cap is formed for placing the cavity of centrifugal switch, and the opening part of described cavity is provided with cover plate.
Compared with prior art, the shell of this asynchronous motor has the following advantages:
Reasonable in design, easy for installation, install between back machine barrel and the front and rear cover and can dismantle, after damage of components in the motor, can change it, at machine barrel some fresh air inlets are set, can effectively reduce the temperature in the machine barrel, prolong the useful life of motor.
Description of drawings
Fig. 1 is the structural representation of a kind of preferred embodiment of providing of the utility model.
Among the figure, 1, machine barrel; 11, interior ring-shaped step one; 12, interior ring-shaped step two; 13, fresh air inlet; 2, front end housing; 21, the outer ring step one; 3, rear end cap; 31, the outer ring step two; 32, cavity; 4, the body of rod; 41, bar head; 42, nut; 5, cover plate.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, the shell of this asynchronous motor, comprise tubular machine barrel 1, be located at the front end housing 2 of machine barrel 1 front portion and be located at the rear end cap 3 at machine barrel 1 rear portion, the front portion of machine barrel 1 has interior ring-shaped step 1, have on the front end housing 2 with this in the outer ring step 1 that is complementary of ring-shaped step 1, the rear end of machine barrel 1 has interior ring-shaped step 2 12, have on the rear end cap 3 with this in the outer ring step 2 31 that is complementary of ring-shaped step 2 12, be provided with the syndeton that links together for machine barrel 1, front end housing 2 and rear end cap 3 between front end housing 2 and the rear end cap 3.
In the present embodiment, have on the surface of front end housing 2 some along its edge equally distributed through hole one, also have on the just face of rear end cap 3 some along its edge equally distributed through hole two, through hole one and through hole two relative settings.As shown in Figure 1, syndeton comprises some bodies of rod 4 that are located in through hole one and the through hole two, and an end of the body of rod 4 passes through hole one and is provided with bar head 41 in its end, passes through hole two on the other end of the body of rod 4 and is provided with external screw thread at the place, end of the body of rod 4.And the diameter of bar head 41 also is arranged with the nut 42 that is complementary with external screw thread greater than the diameter of through hole one on the body of rod 4.
In actual use, the body of rod 4 is 2-6, and the body of rod 4 evenly distributes along the edge of front end housing 2.In the present embodiment, the body of rod 4 is 4.
As shown in Figure 1, have some equally distributed fresh air inlets 13 at machine barrel 1.
And as shown in Figure 1, be formed for placing the cavity 32 of centrifugal switch in the middle part of rear end cap 3 indent, the opening part of cavity 32 is provided with cover plate 5.
The reasonable in design of this asynchronous motor, easy for installation, install between back machine barrel 1 and the front and rear cover 3 and can dismantle, after damage of components in the motor, can change it, at machine barrel 1 some fresh air inlets 13 are set, can effectively reduce the temperature in the machine barrel 1, prolong the useful life of motor.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as machine barrel 1, interior ring-shaped step 1, interior ring-shaped step 2 12, fresh air inlet 13, front end housing 2, outer ring step 1, rear end cap 3, outer ring step 2 31, cavity 32, the body of rod 4, bar head 41, nut 42, cover plate 5 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (7)
1. the shell of an asynchronous motor, comprise tubular machine barrel (1), be located at the anterior front end housing (2) of machine barrel (1) and be located at the rear end cap (3) at machine barrel (1) rear portion, it is characterized in that, the front portion of described machine barrel (1) has interior ring-shaped step one (11), have on the described front end housing (2) with this in the outer ring step one (21) that is complementary of ring-shaped step one (11), the rear end of described machine barrel (1) has interior ring-shaped step two (12), have on the described rear end cap (3) with this in the outer ring step two (31) that is complementary of ring-shaped step two (12), be provided with between described front end housing (2) and the rear end cap (3) for machine barrel (1), the syndeton that front end housing (2) and rear end cap (3) link together.
2. the shell of a kind of asynchronous motor according to claim 1, it is characterized in that, have on the surface of described front end housing (2) some along its edge equally distributed through hole one, just also have on the face of described rear end cap (3) some along its edge equally distributed through hole two, described through hole one and through hole two relative settings, above-mentioned syndeton comprises some bodies of rod (4) that are located in through hole one and the through hole two, one end of the described body of rod (4) passes through hole one and is provided with bar head (41) in its end, passes through hole two on the other end of the described body of rod (4) and is provided with external screw thread at the place, end of the body of rod (4).
3. the shell of a kind of asynchronous motor according to claim 2 is characterized in that, the diameter of described bar head (41) is greater than the diameter of through hole one; Also be arranged with the nut (42) that is complementary with above-mentioned external screw thread on the described body of rod (4).
4. according to the shell of claim 2 or 3 described a kind of asynchronous motors, it is characterized in that the described body of rod (4) is 2-6, and the described body of rod (4) distributes evenly along the edge of front end housing (2).
5. the shell of a kind of asynchronous motor according to claim 4 is characterized in that, the described body of rod (4) is 4.
6. according to the shell of claim 1 or 2 or 3 described a kind of asynchronous motors, it is characterized in that having some equally distributed fresh air inlets (13) on the described machine barrel (1).
7. according to the shell of claim 1 or 2 or 3 described a kind of asynchronous motors, it is characterized in that the middle part indent of described rear end cap (3) is formed for placing the cavity (32) of centrifugal switch, the opening part of described cavity (32) is provided with cover plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220754384 CN203039535U (en) | 2012-12-24 | 2012-12-24 | Shell of asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220754384 CN203039535U (en) | 2012-12-24 | 2012-12-24 | Shell of asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203039535U true CN203039535U (en) | 2013-07-03 |
Family
ID=48691620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220754384 Expired - Fee Related CN203039535U (en) | 2012-12-24 | 2012-12-24 | Shell of asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203039535U (en) |
-
2012
- 2012-12-24 CN CN 201220754384 patent/CN203039535U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203039535U (en) | Shell of asynchronous motor | |
| CN203343986U (en) | Tool for extracting bearing in blind hole | |
| CN205895846U (en) | Looseness -prevention bolt | |
| CN202597477U (en) | Bearing with threads on inner ring and outer ring | |
| CN204640023U (en) | A kind of nut experimental rig and use the testing machine of this nut experimental rig | |
| CN203604262U (en) | Fixed structure for cooperation of ventilator impeller and motor shaft extension | |
| CN203585031U (en) | Bolt for fixation of electric baby carriage | |
| CN203223443U (en) | Connecting and fastening device for connecting plates or rods | |
| CN203051413U (en) | Sealing bolt | |
| CN103233965B (en) | Fastening bolt component | |
| CN205817733U (en) | A kind of efficient bearing inner ring detaching device | |
| CN206943181U (en) | High intensity connecting bolt | |
| CN103267055A (en) | Fastening bolt | |
| CN205089754U (en) | Hookup screw rod | |
| CN211039338U (en) | Novel bolt fastener of modularization | |
| CN202833550U (en) | Novel Internal-expanding type connection structure for fastening screw | |
| CN203686115U (en) | Pneumatic tool inner main piston reinforcing structure | |
| CN110552941A (en) | Novel rod connecting device | |
| CN203939836U (en) | Bolt | |
| CN202391905U (en) | Countersunk bolt | |
| CN211398242U (en) | Novel connecting shaft device | |
| CN203259009U (en) | Flat liner plate of cylinder body of cooling machine | |
| CN203593535U (en) | Crane and wheel set thereof | |
| CN203230711U (en) | Efficient locking bolt with detachable draw bar | |
| CN203357376U (en) | Special shaft shifter for pin return of connecting plate in hydropower station gate maintenance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20131224 |