CN203491837U - Modified structure of housing of industrial fan - Google Patents
Modified structure of housing of industrial fan Download PDFInfo
- Publication number
- CN203491837U CN203491837U CN201320524640.3U CN201320524640U CN203491837U CN 203491837 U CN203491837 U CN 203491837U CN 201320524640 U CN201320524640 U CN 201320524640U CN 203491837 U CN203491837 U CN 203491837U
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- shell
- housing
- sub
- industrial fan
- main casing
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Abstract
A modified structure of a housing of an industrial fan includes a stator, a bearing and a fan housing. The modified structure of the housing of the industrial fan is characterized in that the fan housing includes a hollow cannular main housing and a subsidiary housing, the subsidiary housing is nested in the outside of the main housing to form a double layer structure with an inner housing and an outer housing, front ends of the main housing and the subsidiary housing are fixed together through a connecting sheet, a disk front end cover is mounted on the connecting sheet, a rear end cover is mounted on the rear end of the subsidiary housing in butt joint, and a bearing mounting hole is disposed in the center of the front cover. The beneficial effects of the modified structure of the housing of the industrial fan are that (1) the main housing is connected with the front end cover and the rear end cover after directly being assembled and connected with a motor stator, the connection strength is raised, and the stability of the motor is enhanced based on reduced assembly precision; and (2) a design scheme that the main housing is provided with a front opening is adopted, a user can conveniently dismount the front end cover to maintain when the motor breaks down.
Description
Technical field
The utility model relates to a kind of Industrial fan accessory, specifically a kind of structure-improved of shell of Industrial fan.
Background technology
At present, the Industrial fan on market is mostly waved the parts such as reversing arrangement and is formed by motor, fan blade, fan blade protection network fan.Motor wherein comprises the main accessory such as motor housing, stator, rotor, main shaft, bearing.Existing motor housing mostly adopts cast iron process to form, it is by cast iron turning fore shell, cast iron turning back cover or utilize the back cover of panel beating stretching and punching moulding to form, and this motor housing exists consumption large (every cover iron consumption amount is between 1.7～3.1 kilograms), processed complex, many, inefficient shortcomings consuming time.In order to overcome the above-mentioned shortcoming of motor housing, the utility model patent that China Patent No. is " 200420093711.X " discloses a kind of industrial use fan, its motor housing comprise utilize the outer fore shell of the stamping forming motor that is semiclosed shape of sheet metal component, stator is installed by fore shell and stator is installed back cover, stator installs that fore shell is placed in the outer fore shell of motor and the screw mounting hole by its end wall is fixed on the end wall of the outer fore shell of motor; The port that described stator is installed fore shell and stator installation back cover is provided with flange, stator is installed by fore shell and stator installation back cover fixes by the screw hole on flange, the space of formation one accommodating motor stator and rotor after stator installation fore shell and stator installation back cover are fixing; On the end wall of the outer fore shell of described motor and stator installation back cover, be respectively equipped with the centre bore for mounted motor axle.Described industrial use fan has lightweight, every cover iron consumption amount between O.8～1.O kilogram, manufacturing procedure is few, cost is low advantage.But there is following shortcoming in it: 1, rotor, stator are contained in the space of stator installation fore shell and stator installation back cover formation, the back shaft of fan blade protection network and the whole desk fan of support is but fixed on the outer fore shell of motor place, separated state between the two, only rely on and borrow the primary screw of the outer fore shell front end of motor to fix, therefore stator is arranged between shell and the outer fore shell of motor and has certain gap, when fan running, can produce compared with big bang because of the separated of rotatory force and supporting force, even produce covibration.2, it is, by the outer fore shell of motor, stator, fore shell and stator installation back cover cooperation installation are installed, and installation process is complicated, causes.3) axially unfixing between the bearing of motor and shell, so after long time running, easily there is shell axial endplay.
Utility model content
The purpose of this utility model is the shortcoming existing in order to overcome prior art, provides a kind of simple and reasonable, easy to assembly, be connected firmly, and the structure-improved of the shell of a kind of Industrial fan of stable performance.
The utility model object realizes with the following methods: a kind of structure-improved of motor of industrial shell, it comprises stator, bearing and fan drum, it is characterized in that: described fan drum comprises main casing and the sub-shell of hollow tubular, the outside that sub-shell is nested in main casing forms interior outer double-layer structure, main casing and sub-shell front end are fixed as an integral body by brace, front end housing in the form of annular discs is installed on brace, sub-shell rear end abutting joint has rear end cap, and the center of front end housing is provided with bearing mounting hole; Described bearing mounting hole is provided with bearing mounting outward and is fixedly connected with front end housing.
The butt end of described rear end cap is provided with tube connector, and tube connector external diameter is equal to or less than the internal diameter of sub-shell, in tube connector interts sub-shell during abutting joint, makes sub-shell mutually concordant with the cylinder of rear end cap.
Described brace is provided with the first heavy stand that front end housing is installed, and front end housing is fixed on brace by some fixed screws.
On described front end housing, be also provided with the second heavy stand of caving inward for bearing mounting is installed, mounting install after its outer face mutually concordant with the end face of front end housing and brace.
Described front end housing and bearing mounting are by sheet metal punching stretch forming.
Described bearing mounting hole is that the inside main casing direction of front end housing material punching stretch forms hollow tubular through hole.
The inwall of described main casing is provided with boss, and the rear end face of stator is pressed on this boss.
Described main casing, sub-shell and brace are the moulding of panel beating material one stretching and punching.
Described main casing, sub-shell and brace are the moulding of panel beating material split stretching and punching, and welding processing is combined into one.
The beneficial effects of the utility model are: 1) simple in structure, production cost is low, and assembling simple and fast, improves the market competitiveness.2) main casing directly and after motor stator assembly connection, main casing is connected with front and rear cover again, has improved bonding strength, and reducing on the basis of assembly precision, also strengthened the stability of motor.3) main casing adopts front uncovered design, and therefore, when motor breaks down, user can conveniently take front end housing apart and keep in repair.4) front end housing is provided with the bearing mounting to motor bearings location, the effect that it has rigid bearing position and regulates bearing concentricity, improving product performance.5) main casing is provided with to turn over all over realizing isoplanar with rear end cap and docks, and beautifies product appearance.
Accompanying drawing explanation
Fig. 1 is the utility model general assembly design sketch.
Fig. 2 is the utility model installation diagram.
Fig. 3 is the utility model structure cutaway view.
Fig. 4 is A portion structure enlarged drawing in Fig. 3 in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is made to concrete further instruction.A kind of structure-improved of shell of Industrial fan, it is characterized in that: described fan drum comprises main casing 3 and the sub-shell 4 of hollow tubular, the outside that sub-shell 4 is nested in main casing 3 forms interior outer double-layer structure, main casing 3 and sub-shell 4 front ends are fixed as an integral body by brace 5, front end housing in the form of annular discs 6 is installed on brace 5, sub-shell 4 rear end abutting joints have rear end cap 7, and the center of front end housing 6 is provided with bearing mounting hole 61.The inwall of described main casing 3 is provided with boss 31, and the rear end face of stator 1 is pressed on this boss.When mounted motor stator, only stator 1 need to be pushed hard and is pressed into main casing, the design of boss can be carried out laterally and locate fast longitudinally motor, in convenient for assembly, has the effects such as the assembly precision of lifting and operating efficiency.The inside and outside double-deck structure of main casing and sub-shell is being simplified installation procedure simultaneously, when promoting efficiency of assembling, can also strengthen the intensity of itself, therefore after flabellum protection network is assembled on this shell, can avoid the vibration of protection network to cause casing deformation and distortion, promote the impact resistance of protection network.
Outside described bearing mounting hole 61, being provided with bearing mounting 62 is fixedly connected with front end housing 6.The butt end of described rear end cap 7 is provided with tube connector 71, and tube connector 71 external diameters are equal to or less than the internal diameter of sub-shell 4, in tube connector 71 interts sub-shell 4 during abutting joint, makes sub-shell 4 mutually concordant with the cylinder of rear end cap 7.Therefore after rear end cap docks with sub-shell, only need a screw that the tail end of rear end cap and main casing is fixing, the mounting means of dock has easy and simple to handle, cost-saving, operating efficiency advantages of higher.
Described brace 5 is provided with the first heavy stand 51 that front end housing is installed, and front end housing 6 is fixed on brace 5 by some fixed screws.In the utility model, adopt the design of front end housing and main casing separate type, in actual assembling process, can install in the following order, 1, the installation of stator and main casing; 2, shaking device is arranged on main casing afterbody and coordinates with stator; 3) rear end cap is installed; 4) erection sequence of front end housing is installed.Because front end housing is finally installed, thus can to stator, carry out corresponding parameter adjusting in time, wait guarantee normal after capping front end housing again, have under the prerequisite of advantage of convenient mounting, reduce product rework rate.
On described front end housing 6, be also provided with the second heavy stand 63 of caving inward for bearing mounting 62 is installed, mounting install after its outer face mutually concordant with the end face of front end housing and brace.Concordant end face, when guaranteeing motor housing aesthetic property, also facilitates the installation of electric fan and fan protective net.
Described front end housing 6 and bearing mounting 62 are by sheet metal punching stretch forming.
Described bearing mounting hole 61 is that the inside main casing 3 direction punching stretch of front end housing material form hollow tubular through hole.When in front end housing and brace assembling, can realize the object of adjusting motor coaxle degree by corresponding adjustment fabrication data between the two, the motor after order assembling reaches better performance requirement.The position of bearing mounting energy axial restraint motor bearings 2, avoids it after long-time use, axial endplay to occur simultaneously.After the assembling of front end housing and main casing, shape is in aggregates simultaneously, and the bearing at two motor two ends is stressed on shell equably, make between motor stator and shell, be connected more firm.
Described main casing 3, sub-shell 4 and brace 5 are the moulding of panel beating material one stretching and punching.
Described main casing 3, sub-shell 4 and brace 5 are the moulding of panel beating material split stretching and punching, and welding processing is combined into one.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications; as the assembling mode of main casing and front and rear cover, the syndeton of front end housing and bearing mounting etc., these changes and improvements all fall within the scope of claimed the utility model.
Claims (9)
1. the structure-improved of the shell of an Industrial fan, it is characterized in that: described fan drum comprises the main casing of hollow tubular (3) and sub-shell (4), the outside that sub-shell (4) is nested in main casing (3) forms interior outer double-layer structure, main casing (3) and sub-shell (4) front end are fixed as an integral body by brace (5), front end housing in the form of annular discs (6) is installed on brace (5), sub-shell (4) rear end abutting joint has rear end cap (7), the center of front end housing (6) is provided with bearing mounting hole (61), outside described bearing mounting hole (61), being provided with bearing mounting (62) is fixedly connected with front end housing (6).
2. the structure-improved of the shell of a kind of Industrial fan according to claim 1, it is characterized in that: the butt end of described rear end cap (7) is provided with tube connector (71), tube connector (71) external diameter is equal to or less than the internal diameter of sub-shell (4), tube connector during abutting joint (71) interts in sub-shell (4), makes sub-shell (4) mutually concordant with the cylinder of rear end cap (7).
3. the structure-improved of the shell of a kind of Industrial fan according to claim 1, it is characterized in that: described brace (5) is provided with the first heavy stand (51) that front end housing is installed, and front end housing (6) is fixed on brace (5) by some fixed screws.
4. according to the structure-improved of the shell of a kind of Industrial fan described in claim 1 or 3, it is characterized in that: on described front end housing (6), be also provided with the second heavy stand (63) of caving inward for bearing mounting (62) is installed, mounting install after its outer face mutually concordant with the end face of front end housing and brace.
5. the structure-improved of the shell of a kind of Industrial fan according to claim 1, is characterized in that: described front end housing (6) and bearing mounting (62) are by sheet metal punching stretch forming.
6. the structure-improved of the shell of a kind of Industrial fan according to claim 1, is characterized in that: described bearing mounting hole (61) is the inside main casing of front end housing material (3) direction punching stretch formation hollow tubular through hole.
7. the structure-improved of the shell of a kind of Industrial fan according to claim 1, is characterized in that: the inwall of described main casing (3) is provided with boss (31), and the rear end face of stator (1) is pressed on this boss.
8. the structure-improved of the shell of a kind of Industrial fan according to claim 1, is characterized in that: described main casing (3), sub-shell (4) and brace (5) are the moulding of panel beating material one stretching and punching.
9. according to the structure-improved of the shell of a kind of Industrial fan described in claim 1 or 8, it is characterized in that: described main casing (3), sub-shell (4) and brace (5) are the moulding of panel beating material split stretching and punching, and welding processing is combined into one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524640.3U CN203491837U (en) | 2013-08-27 | 2013-08-27 | Modified structure of housing of industrial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524640.3U CN203491837U (en) | 2013-08-27 | 2013-08-27 | Modified structure of housing of industrial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491837U true CN203491837U (en) | 2014-03-19 |
Family
ID=50262638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320524640.3U Expired - Fee Related CN203491837U (en) | 2013-08-27 | 2013-08-27 | Modified structure of housing of industrial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224529A (en) * | 2019-07-12 | 2019-09-10 | 太仓市悦博电动科技有限公司 | A kind of quick service type electric machine casing |
-
2013
- 2013-08-27 CN CN201320524640.3U patent/CN203491837U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224529A (en) * | 2019-07-12 | 2019-09-10 | 太仓市悦博电动科技有限公司 | A kind of quick service type electric machine casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20180827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |