CN203911703U - Sealing-improved material-saving light rear end cap of electromagnetic-braking three-phase asynchronous motor - Google Patents
Sealing-improved material-saving light rear end cap of electromagnetic-braking three-phase asynchronous motor Download PDFInfo
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- CN203911703U CN203911703U CN201420306839.3U CN201420306839U CN203911703U CN 203911703 U CN203911703 U CN 203911703U CN 201420306839 U CN201420306839 U CN 201420306839U CN 203911703 U CN203911703 U CN 203911703U
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- rear end
- end cap
- lid
- cap body
- plane
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Abstract
The utility model relates to a sealing-improved material-saving light rear end cap of an electromagnetic-braking three-phase asynchronous motor. The rear end cap comprises a circular cap body; the inner end surface of the cap body is provided with a bearing support sleeve and a front edge, the bearing support sleeve supports a bearing of a rotor shaft, and the front edge is connected with a housing; and the outer end surface of the cap body is provided with a circular electromagnetic breaker friction surface which is concentric with the cap body, and the circumferential surface of the cap body is a connecting surface of an electromagnetic breaker shield. The rear end cap is characterized in that the circumferential surface of the circular cap body is provided with a circumferential groove into which a sealing ring is inserted, the inner end surface of the cap body is provided with a thinning plane with reinforcing ribs, the outer end surface of the cap body is provided with at least one groove, an annular plane between the front edge of the inner end surface and the bearing support sleeve of the cap body serves as the annular thinning plane which is provided with an annular support sleeve reinforcing rib and multiple radial reinforcing ribs, and multiple arc grooves are uniformly distributed around the breaker friction surface at the outer end surface. The rear end cap has the advantages that the sealing is improved, materials are saved, and the weight is reduced.
Description
Technical field
The utility model relates to a kind of motor part, relates in particular to a kind of nodal wood type electromagnetic-braking three-phase asynchronous motor rear end cap that improves sealing property.
Background technology
Electromagnetic-braking three-phase asynchronous motor is as a kind of driven by power equipment, owing to thering is the advantages such as braking is rapid, simple in structure, reliability is strong, be widely used in that various requirement stops fast and accurately in the plant equipment and transmission device of location, the construction site that is especially applied in the fields such as building industry is as the driving arrangement of hanging basket.The electromagnetic-braking three-phase asynchronous motor that is applied at present hanging basket structurally mainly comprises stator, rotor, armature spindle, front end housing, rear end cap, housing, electromagnetic brake and protective cover thereof, wherein stator, rotor are arranged in housing, front end housing, rear end cap are sealed on housing two ends by seam respectively, and rear end cap is the important composition part of electromagnetic-braking three-phase asynchronous motor.Its inner face of existing rear end cap is provided with the seam and the bearings cover that are connected with housing, rotor puts in bearings by bearings, the outer face of rear end cap is the mounting plane with rubbing surface being connected with electromagnetic brake and protective cover thereof, and electromagnetic brake protective cover bag holds together rear end cap surrounding place side face and is fixed on rear end cap.
The major technique defect that existing rear end cap exists is: (1) poor sealing performance, and gapped between rear end cap surrounding place side face and electromagnetic brake protective cover, therefore connect imprecision, easily water inlet, produces corrosion.(2) rear end cap is irony cast member, and lid is abundant, not only wastes material but also gain in weight, and is especially not suitable with the use needs that hang blue equipment in the fields such as building.How, for the problems referred to above, existing rear end cover structure is improved, improves the tightness that rear end cap is connected with electromagnetic brake protective cover, and under the prerequisite of guarantee rear end cap bulk strength, save material, weight reduction becomes manufacturing firm's concerned issue.
Utility model content
Main purpose of the present utility model is for the problems referred to above, and a kind of nodal wood type electromagnetic-braking three-phase asynchronous motor rear end cap that improves sealing property is provided.
The utility model solves the technical scheme that its technical problem adopts:
A kind of nodal wood type electromagnetic-braking three-phase asynchronous motor rear end cap that improves sealing property, comprise circular lid, described lid inner face is provided with the bearings cover of support rotor axle bearing and the seam being connected with housing, lid outer face is provided with the circular electric magnetic brake rubbing surface with the concentric setting of lid, lid surrounding place side face is and the joint face of electromagnetic brake protective cover, it is characterized in that, the ring week groove of embedded sealing ring is set on circular lid surrounding place side face, attenuate plane with reinforcement is set on lid inner face, at least one groove is set on its outer face.
Planar annular between seam on described lid inner face and bearings cover is arranged to annular attenuate plane, the ring support set reinforcement that runs through described annular attenuate plane connecting with one in described annular attenuate plane and many uniform radial reinforced ribs, the one-tenth-value thickness 1/10 of described annular attenuate plane reduces 5-6mm than described planar annular one-tenth-value thickness 1/10.
On described lid outer face, around described brake friction face is uniform multiple arc grooves are set.
The beneficial effects of the utility model are: by the improvement to existing electromagnetic-braking three-phase asynchronous motor rear end cover structure; at circular lid surrounding place side face, all grooves of ring are set; when use; setting-in enters sealing ring; make to seal by sealing ring between rear end cap surrounding place side face and electromagnetic brake protective cover; eliminate gap; realize tight connection; prevent into water; effectively protect electromagnetic brake; also the stator coil of having protected enclosure interior, significantly improves electromagnetic-braking three-phase asynchronous motor integral protection performance simultaneously.In addition, on existing rear end cover structure basis, improve, on end face, be provided with the attenuate plane with reinforcement therein, on outer face, be provided with all arc grooves of ring, make part plate body attenuate, with material minimizing, reach the effect of saving material, weight reduction.By statistics can material-saving 10-20%, be more conducive to the driving arrangement as hanging basket.
Brief description of the drawings
Fig. 1 is outer face of the present utility model structural representation;
Fig. 2 is the B-B cross section view of Fig. 1;
Fig. 3 is inner face structural representation of the present utility model.
In figure: 1 brake friction face, 2 axis holes, 3 arc grooves, 4 housing installing holes, 5 brake installing holes, all grooves of 6 ring, 7 seams, 8 bearings covers, 9 annular attenuate planes, 91 ring support set reinforcements, 92 radial reinforced ribs, 10 protective cover installing holes.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Embodiment
Fig. 1～Fig. 3 illustrates a kind of nodal wood type electromagnetic-braking three-phase asynchronous motor rear end cap that improves sealing property, comprise circular lid, lid inner face is provided with the bearings cover 8 of support rotor axle bearing and the seam 7 being connected with housing, lid outer face is provided with the circular brake friction face 1 with the concentric setting of lid, lid surrounding place side face is and the joint face of electromagnetic brake protective cover, it is characterized in that, the ring week groove 6 of embedded sealing ring is set on circular lid surrounding place side face, attenuate plane with reinforcement is set on lid inner face, at least one groove is set on lid outer face.On lid, be provided with installing hole, installing hole mainly comprises housing installing hole 4, brake installing hole 5, protective cover installing hole 10.
Owing to having set up all grooves 6 of ring on rear end cap surrounding place side face, when use, sealing ring setting-in wherein, when installation, protective cover bag holds together rear end cap surrounding place side face and is fixed on rear end cap by securing member by protective cover installing hole 10, now between rear end cap surrounding place side face and protective cover, realize tightly and being connected by sealing ring, can effectively prevent into water, avoid inner structural members corrosion.
As shown in Figure 3, planar annular between seam 6 on described lid inner face and bearings cover 8 is arranged to annular attenuate plane 9, the ring support set reinforcement 91 that runs through described annular attenuate plane connecting with one in annular attenuate plane and uniform many radial reinforced ribs 92, the one-tenth-value thickness 1/10 of described annular attenuate plane reduces 5-6mm than the value of existing above-mentioned planar annular.Though adopt attenuate structure here, owing to being provided with reinforcement simultaneously, therefore, in reducing material, also ensure that rear end cover structure intensity is constant.As shown in Figure 1, on described lid outer face, around described brake friction face 1 is uniform multiple arc grooves 3 are set.In this example, be provided with 8 arc grooves, can save material, weight reduction.Especially, weight saving is more conducive to the driving arrangement as hanging basket.
In actual fabrication, rear end cap is casting integrated.
The above, be only preferred embodiment of the present utility model, not shape material of the present utility model and structure done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (3)
1. one kind is improved the nodal wood type electromagnetic-braking three-phase asynchronous motor rear end cap of sealing property, comprise circular lid, described lid inner face is provided with the bearings cover of support rotor axle bearing and the seam being connected with housing, lid outer face is provided with the circular electric magnetic brake rubbing surface with the concentric setting of lid, lid surrounding place side face is and the joint face of electromagnetic brake protective cover, it is characterized in that, the ring week groove of embedded sealing ring is set on circular lid surrounding place side face, attenuate plane with reinforcement is set on lid inner face, at least one groove is set on its outer face.
2. a kind of nodal wood type electromagnetic-braking three-phase asynchronous motor rear end cap that improves sealing property according to claim 1, it is characterized in that the planar annular between seam on described lid inner face and bearings cover is arranged to annular attenuate plane, the ring support set reinforcement that runs through described annular attenuate plane connecting with one in described annular attenuate plane and many uniform radial reinforced ribs, the one-tenth-value thickness 1/10 of described annular attenuate plane reduces 5-6mm than described planar annular one-tenth-value thickness 1/10.
3. a kind of nodal wood type electromagnetic-braking three-phase asynchronous motor rear end cap that improves sealing property according to claim 1 and 2, is characterized in that on described lid outer face, around described brake friction face is uniform multiple arc grooves is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306839.3U CN203911703U (en) | 2014-06-10 | 2014-06-10 | Sealing-improved material-saving light rear end cap of electromagnetic-braking three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306839.3U CN203911703U (en) | 2014-06-10 | 2014-06-10 | Sealing-improved material-saving light rear end cap of electromagnetic-braking three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203911703U true CN203911703U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420306839.3U Expired - Fee Related CN203911703U (en) | 2014-06-10 | 2014-06-10 | Sealing-improved material-saving light rear end cap of electromagnetic-braking three-phase asynchronous motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203911703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638815A (en) * | 2014-12-20 | 2015-05-20 | 重庆德马高速设备研究所 | End cover of variable-frequency high-speed motor |
-
2014
- 2014-06-10 CN CN201420306839.3U patent/CN203911703U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638815A (en) * | 2014-12-20 | 2015-05-20 | 重庆德马高速设备研究所 | End cover of variable-frequency high-speed motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150610 |
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| EXPY | Termination of patent right or utility model |