CN202153684U - Waterproof device - Google Patents
Waterproof device Download PDFInfo
- Publication number
- CN202153684U CN202153684U CN2011202734321U CN201120273432U CN202153684U CN 202153684 U CN202153684 U CN 202153684U CN 2011202734321 U CN2011202734321 U CN 2011202734321U CN 201120273432 U CN201120273432 U CN 201120273432U CN 202153684 U CN202153684 U CN 202153684U
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- China
- Prior art keywords
- bearing
- sealing ring
- sleeve
- impeller
- cover plate
- 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 - Lifetime
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Abstract
A waterproof device is used for a suction cleaner provided with a fixed impeller, a moving impeller, a motor, a fan housing, a transmission shaft and a bearing, wherein the bearing is arranged at the inner side of the fixed impeller and forms an inner groove between the bearing and the fixed impeller. The waterproof device comprises a sleeve sleeved on the transmission shaft and arranged above the bearing, and a sealing ring sleeved out of the sleeve, wherein a crimped edge extends out of the bottom of the sealing ring in an outward manner, and the crimped edge is embedded in the inner groove. The waterproof device prevents the bearing from damage caused in that moisture penetrates into the bearing via the fixed impeller, protects the motor away from influence, and guarantees the service lifetime of the motor; and at the same time, the sealing ring is directly sleeved out of the sleeve for cooperation, with no need of fine grinding processing to the sleeve, and the waterproof device is relatively simple in structure, convenient in installation, relatively high in working efficiency, and relatively low in producing and processing cost.
Description
Technical field
The utility model relates to a kind of water-tight device, is specifically related to a kind of water-tight device that is applied to motor of dust collector.
Background technology
Dust catcher mainly is made up of parts such as deciding impeller, movable vane wheel, motor, fan housing; Motor plays crucial effects in entire machine; And the core component of motor is rotor and stator; The length in its life-span directly affects the useful life of dust catcher, so the good operation of rotor and stator then is the key of the safe and reliable permanent operation of whole motor of dust collector device.
Rotor and stator need operation under the environment of drying, avoid because environment is abominable, meet the wet corrosion and damage that causes rotor and stator of torrent.Usually the method that adopts is the waterproof construction that sheathed I-shaped lining and the rubber ring that matches with the I shape lining constitute on power transmission shaft, and I-shaped lining directly is pressed on the power transmission shaft, is the good fit that guarantees rubber ring and lining; Usually adopt correct grinding to handle to I-shaped waist; Processing cost is also higher relatively, and I-shaped bush structure more complicated is also higher for the requirement of installing; Need expend the more time, production cost is high.
Therefore, a kind of production, processing cost are lower, more convenient water-tight device is installed is demanded urgently occurring.
The utility model content
Cooperated with rubber ring by the I shape lining and form for solving existing water-tight device, I-shaped waist need adopt correct grinding to handle, and processing cost is higher; Problems such as and installation requirement is higher, need expend the more time, and efficient is lower; The utility model discloses a kind of water-tight device,, be convenient to install to reach the structure of simplifying water-tight device; Increase work efficiency, reduce the purpose of production and processing cost.
The technical scheme of the utility model is following:
A kind of water-tight device is applied to be provided with on the dust catcher of deciding impeller, movable vane wheel, motor, fan housing, power transmission shaft and bearing, said bearing be positioned at said decide impeller inboard and and saidly decide to form between impeller inner groovy; Said water-tight device comprises the sleeve that is sheathed on the said power transmission shaft and is positioned at said bearing top, and the sealing ring that is sheathed on the said sleeve outside, and said sealing ring bottom is extended with crimping laterally, and said crimping embeds in the said inner groovy.
Preferably, saidly decide impeller and be provided with groove, saidly decide to be provided with protective cover plate between impeller and said movable vane wheel, said protective cover plate is sheathed on the said power transmission shaft, and said protective cover plate is a tubular construction, and barrel stretches in the said groove and matches with said groove; The outer wall of said protective cover plate and said movable vane wheel fit, and the inwall of said protective cover plate fits with said sleeve and said sealing ring respectively.
Preferably, also be provided with resilient coating on the inwall of said sealing ring.
Preferably, there is gap between said protective cover plate and said groove smaller or equal to 0.2mm.
The disclosed water-tight device of the utility model comprises the sleeve that is sheathed on the power transmission shaft, and the sealing ring that is sheathed on the said sleeve outside; The sealing ring bottom is extended with crimping laterally; Crimping embeds in the said inner groovy, plays the effective isolation effect, has avoided moisture to get into the damage that bearing causes bearing by deciding impeller; Influence the operation of motor, guarantee the useful life of motor; Simultaneously, sealing ring is directly sheathed to be cooperated with the outside of sleeve, need not sleeve itself is finish grinded processing, and structure is simpler, and easy for installation, operating efficiency is higher, and the production and processing cost is lower.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is arranged at the structural representation of deciding on the impeller for the disclosed a kind of water-tight device of the utility model;
Fig. 2 is the structural representation that the disclosed a kind of water-tight device middle sleeve of the utility model cooperates with sealing ring.
The title of the numeral among the figure or the corresponding component of alphabetical representative:
1, decides impeller 2, movable vane wheel 3, power transmission shaft 4, bearing 5, sleeve 6, sealing ring 7, protective cover plate;
11, inner groovy 12, groove;
61, resilient coating.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of water-tight device,, be convenient to install, increase work efficiency, reduce the purpose of production and processing cost to reach the structure of simplifying water-tight device.
Embodiment 1,
Like Fig. 1, shown in 2, a kind of water-tight device is applied to be provided with on the dust catcher of deciding impeller 1, movable vane wheel 2, motor (not looking out), fan housing (not looking out), power transmission shaft 3 and bearing 4, bearing 4 be positioned at decide impeller 1 inboard and and decide formation inner groovy 11 between impeller; Water-tight device comprises the sleeve 5 that is sheathed on the power transmission shaft 3 and is positioned at bearing 4 tops, and the sealing ring 6 that is sheathed on sleeve 5 outsides, and sealing ring 6 bottoms are extended with crimping laterally, and crimping embeds in the inner groovy 11, makes that sealing ring 6 is an interference fit with deciding impeller 1.The moisture that sealing ring 6 will be invaded from the import department that decides on the impeller 1, effective and bearing is kept apart, and avoids moisture that bearing is caused damage, improves the useful life of motor, reduces use cost; And sealing ring 6 directly is sheathed on and need not on the sleeve 5 sleeve processing is finish-ground to the latter two clampings sealings of I shape, reduces multi-step process, saves workload, increases work efficiency.
Decide impeller 1 and be provided with groove 12, decide 2 on impeller 1 and movable vane wheel and be provided with protective cover plate 7, protective cover plate 7 is sheathed on the power transmission shaft 3, and protective cover plate 7 is a tubular construction, and its barrel stretches in the groove 12 and matches with groove 12; The inwall of protective cover plate 7 fits respectively at sleeve 5 and sealing ring 7, and outer wall and movable vane wheel 2 fit; Protective cover plate 7 changes tubular construction into by traditional platy structure, and barrel stretches in the groove 12, one step ahead moisture etc. is barred from the outside, reduce or avoid getting into and decide the inboard moisture foreign material of impeller 1, form the twice water-proof wire with sealing ring, improve waterproof effect.Protective cover plate 7, sleeve 5 and sealing ring 6 and power transmission shaft 3 run-in synchronisms, simultaneously, 12 existence of protective cover plate 7 and groove are avoided protective cover plate 7 and groove 12 to cooperate compactness to cause and are decided impeller 1 rotation synchronous with it smaller or equal to the gap of 0.2mm.
Also be provided with resilient coating 61 on the inwall of sealing ring 6; The extrusion damage that resilient coating 61 can slow down sealing ring 6 and 5 in sleeve on the one hand is set, and sealing ring 6 and sleeve 5 belong to matched in clearance on the other hand, between have the slit unavoidably; Cause the part moisture into bearing that overflows easily; Cause damage, the intrusion that resilient coating 61 can effectively be avoided moisture is set, improve waterproof effect.Wherein, resilient coating 61 can be elastic buffering pad etc., does not specifically limit.
The disclosed water-tight device of the utility model comprises the sleeve that is sheathed on the power transmission shaft, and the sealing ring in the sheathed and said sleeve outside; The sealing ring bottom is extended with crimping laterally; Crimping embeds in the said inner groovy, plays the effective isolation effect, has avoided moisture to get into the damage that bearing causes bearing by deciding impeller; Influence the operation of motor, guarantee the useful life of motor; Simultaneously, the outside that sealing ring directly is sheathed on sleeve cooperates, and need not sleeve itself is finish grinded processing, and structure is simpler, and easy for installation, operating efficiency is higher, and the production and processing cost is lower.
Protective cover plate and sealing ring are set simultaneously form 2 grades of water-proof wires, further improve waterproof effect, guarantee the useful life of motor, reduce use, management, maintenance cost.
More than be description,, make this area professional and technical personnel can realize or use the utility model through above-mentioned explanation to the disclosed embodiments to the utility model embodiment.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (4)
1. a water-tight device is applied to be provided with on the dust catcher of deciding impeller, movable vane wheel, motor, fan housing, power transmission shaft and bearing, said bearing be positioned at said decide impeller inboard and and saidly decide to form between impeller inner groovy; It is characterized in that said water-tight device comprises the sleeve that is sheathed on the said power transmission shaft and is positioned at said bearing top, and the sealing ring that is sheathed on the said sleeve outside, said sealing ring bottom is extended with crimping laterally, and said crimping embeds in the said inner groovy.
2. water-tight device according to claim 1; It is characterized in that; Saidly decide impeller and be provided with groove, saidly decide to be provided with protective cover plate between impeller and said movable vane wheel, said protective cover plate is sheathed on the said power transmission shaft; Said protective cover plate is a tubular construction, and barrel stretches in the said groove and matches with said groove; The outer wall of said protective cover plate and said movable vane wheel fit, and the inwall of said protective cover plate fits with said sleeve and said sealing ring respectively.
3. water-tight device according to claim 1 is characterized in that, also is provided with resilient coating on the inwall of said sealing ring.
4. water-tight device according to claim 2 is characterized in that, has the gap smaller or equal to 0.2mm between said protective cover plate and said groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202734321U CN202153684U (en) | 2011-07-29 | 2011-07-29 | Waterproof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202734321U CN202153684U (en) | 2011-07-29 | 2011-07-29 | Waterproof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202153684U true CN202153684U (en) | 2012-02-29 |
Family
ID=45694177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202734321U Expired - Lifetime CN202153684U (en) | 2011-07-29 | 2011-07-29 | Waterproof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202153684U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982436A (en) * | 2014-05-28 | 2014-08-13 | 珠海凌达压缩机有限公司 | Flange and shell connection structure, horizontal type rotary compressor bearing pedestal and oil coating shell connection structure as well as horizontal type rotary compressor |
| CN109687624A (en) * | 2018-09-28 | 2019-04-26 | 苏州工业园区星德胜电机有限公司 | A kind of non-contact overhead type waterproof construction of high-speed motor |
-
2011
- 2011-07-29 CN CN2011202734321U patent/CN202153684U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982436A (en) * | 2014-05-28 | 2014-08-13 | 珠海凌达压缩机有限公司 | Flange and shell connection structure, horizontal type rotary compressor bearing pedestal and oil coating shell connection structure as well as horizontal type rotary compressor |
| CN109687624A (en) * | 2018-09-28 | 2019-04-26 | 苏州工业园区星德胜电机有限公司 | A kind of non-contact overhead type waterproof construction of high-speed motor |
| WO2020134730A1 (en) * | 2018-09-28 | 2020-07-02 | 苏州工业园区星德胜电机有限公司 | High-speed motor non-contact overhead waterproof structure |
| US11349369B2 (en) | 2018-09-28 | 2022-05-31 | Cinderson Tech (Suzhou) Co., Ltd | Non-contact overhead waterproof structure for high-speed motor |
| EP3905487A4 (en) * | 2018-09-28 | 2022-09-21 | Suzhou Industrial Park Xingdesheng Motor Co., Ltd. | High-speed motor non-contact overhead waterproof structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120229 |