CN2372508Y - Propeller shaft sealing device for outboard propulsion boat - Google Patents
Propeller shaft sealing device for outboard propulsion boat Download PDFInfo
- Publication number
- CN2372508Y CN2372508Y CN 99227494 CN99227494U CN2372508Y CN 2372508 Y CN2372508 Y CN 2372508Y CN 99227494 CN99227494 CN 99227494 CN 99227494 U CN99227494 U CN 99227494U CN 2372508 Y CN2372508 Y CN 2372508Y
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- CN
- China
- Prior art keywords
- shaft
- ring
- spring seat
- seat
- oar
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- 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
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Abstract
The utility model relates to a propeller axle sealing device for an outboard propulsion boat. The inner side of an axle shoulder of the propeller axle is sheathed with a bearing; the outer side is sheathed with a spring seat; the inner end is connected with a spring, and a ring groove in the outer end is inlaid with a movable ring seat for a movable ring; a step hole on the inner end surface is connected with an axle cover of a static ring through a sealing pad; the end surfaces of the movable and the static rings are attached; the propeller axle is fixed with the spring seat; axial key teeth in the outer end of the spring seat form a corresponding sliding fit with axial key grooves on the movable ring seat; a ring lug boss in the outer end of the spring seat forms an axial sliding fit with the step hole of the movable ring seat with a sealing ring. The utility model has the advantages of good sealing effect and long service life.
Description
The utility model relates to a kind of oar-hanging boat oar shaft sealer.
At present, the quantity of domestic hang-screw motor-boat has reached hundreds of thousands, but the oar shaft sealer on the oar-hanging boat mostly adopts oar shafting oil big envelope, 2 skeleton rubber self-tightening oil seals (spring type is arranged) of 1 powder metallurgy that is sleeved on the screw shaft, and skeleton rubber oil sealing (no spring type), oar shafting oil big envelope is fastened on the screw shaft, with the wearing and tearing of its alternative oar axle; 2 skeleton self-tightening oil seals are installed back-to-back, the lip limit of a skeleton self-tightening oil seal is close to the outer round surface of oar shafting oil big envelope with oil sealing, the lip limit of another skeleton self-tightening oil seal is close to oar shafting oil big envelope upper gas sealing, also has the lip limit water shutoff outwardly of a skeleton rubber oil sealing; When screw shaft rotated or stops, the sealing device played and stops the oil seepage of hanging in the oar machine lower gear casing to enter in the rivers lake, prevents that simultaneously river from leaking in the lubricant oil of gear-box.But in actual use, be subjected to the metallic dust that silt particle in the water, gear housing internal gear wear and tear and, and do not remove clean impurity particles such as casting sand influence in the gear housing as yet, and cause wearing and tearing within a short period of time of oar shaft sealer, leakage of oil, infiltration phenomenon take place.Be wound on the screw shaft at foreign material of water float etc. in addition, can be embedded in the lip of rubber seal, destroy the seal action of seal arrangement, seepage is in gear-box, make gear accelerated wear test, the lubricant oil in the gear-box drains to and causes environmental pollution in the river simultaneously.
The purpose of this utility model provides the oar-hanging boat oar shaft sealer of a kind of good sealing effect, long service life.
The technical solution of the utility model is: a kind of oar-hanging boat oar shaft sealer, has the bearing that is sleeved on screw shaft shaft shoulder inboard, be sleeved on the shaft-cup and the seal ring in the screw shaft shaft shoulder outside, it is characterized in that: the outside of the screw shaft shaft shoulder is set with the spring seat of uniform several springs, inner join with spring and the annular groove of outer end in inlaying the rotating seat of rotating ring, and the shaft-cup that is connected with stationary ring on the step hole of interior edge face by liner, the end face of rotating ring and stationary ring is fitted mutually, screw shaft is connected with fastening piece with spring seat, has the axial bond tooth on the excircle of spring seat outer end, has corresponding sliding axial keyway of joining on the excircle of rotating seat with the axial bond tooth, the hole wall of the annular boss of spring seat outer end and the step hole of rotating seat is axially sliding joins, and in the step hole seal ring is housed.
Seal arrangement of the present utility model is owing to adopted rotating ring, rotating seat, stationary ring, rotating ring and stationary ring end face are fitted mutually, but screw shaft at work, this carries out friction on the end face to friction pair rotating ring and stationary ring, thereby constantly compensate under the spring action of dynamic and static ring wearing and tearing in spring seat, guaranteed the no gap of rubbing surface applying of dynamic and static ring; In addition since spring seat on the blade face and the keyway on the rotating seat in the screw shaft rotary course, stir the lubricant oil in it, play the effect of flushing friction pair, and the heat that the friction of dynamic and static ring is produced passed to shaft-cup quickly and gear housing reaches water body again, can rapidly frictional heat be distributed, therefore, not only make dynamic and static ring wearing and tearing less, prolonged the working life of dynamic and static ring, and tight, reliable in the radial direction sealing; Moreover because the seal ring in the step hole of rotating seat, with the sealing of the axial clearance on the oar axle, therefore, this kind seal arrangement is in that axially also sealing is tight, reliable.Seal arrangement sealing effect of the present utility model is fine, and oil, water do not leak through with each other.Use the utility model,, also can not enter in the seal arrangement,, increased its working life so seal arrangement is not fragile even the foreign material of water float are wound on the screw shaft.Because this kind seal arrangement seals reliable, therefore the working life of yet having improved inner gear of the gear box, the lubricant oil in the same gear-box can seepage not wasted yet, and can save operating cost, has protected physical environment.
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is that the B of Fig. 2 is to schematic representation.
Fig. 4 is the structural representation that spring seat axial bond tooth and rotating seat axial keyway are worked in coordination.
As shown in Figure 1, oar-hanging boat oar shaft sealer of the present utility model, has the bearing (1) that is sleeved on screw shaft (8) shaft shoulder inboard, be sleeved on the shaft-cup (2) and the seal ring in screw shaft (8) outside, screw shaft (8) surface has certain rigidity through handling, or adopt stainless steel to make, the outside of screw shaft (8) shaft shoulder is set with the spring seat (4) of uniform 3～8 springs (12), spring seat (4) adopts powder metallurgy pressing to form, rotating seat (5) is inner to join with spring (1 2), inlaying rotating ring (6) in the annular groove of the outer end of rotating seat (4), adhesion has liner (10) on the step hole of shaft-cup (2) interior edge face, and be fitted with stationary ring (7) in the liner (10), rotating ring (6) is fitted mutually with the end face of stationary ring (7), for reducing the wearing and tearing between rotating ring (6) and the stationary ring (7), rotating ring (6) and stationary ring (7) also adopt powder metallurgy pressing to form, rotating ring (6) and stationary ring (7) end wear can compensate under the effect of spring (12), guarantee rotating ring (6) and stationary ring (7) end face seal, reliably.Screw shaft (8) is connected with fastening piece with spring seat (4), can adopt Cock screw to be connected, also can adopt straight pin (13) to be connected, can shown in Fig. 2,3, on the blade (4-4) that processes two breach formations, the pin (14) that locks Cock screw or straight pin (13) be housed like that on spring seat (4) excircle, this pin (14) also can adopt cotter pin, comes off to prevent to hang oar axle Cock screw or straight pin (13) when the work.When screw shaft (8) rotated, the spring seat that is connected with it (4) is rotation thereupon also.Blade (4-4) on the spring seat (4) is axisymmetricly splayed shape as shown in Figure 3, to increase spring seat (4) stirs fluid in movement process effect.Has axial bond tooth (4-1) on the excircle of spring seat (4) outer end, has corresponding sliding axial keyway (5-1) of joining on the excircle of rotating seat (5) with axial bond tooth (4-1), spring seat (4) drives rotating seat (5) and rotating ring (6) rotation on the one hand, simultaneously, axial keyway (5-1) on the rotating seat (5) also stirs lubricant oil when rotated, rotating ring (6), stationary ring (7) are washed, the heat that friction is produced dissipates by peripheral part and water body exchange rapidly, wear extent with further minimizing rotating ring (6) and stationary ring (7) improves its working life.For further increasing mixing effect again, can make the axial keyway (5-1) of rotating seat (5) be tubaeform that the inner is straight, gradually open the outer end, for the ease of clamping, also can be as shown in Figure 4, by of projection (4-2) clamping of the inner projection (5-2) of the axial keyway (5-1) of rotating seat (5) with the inboard, outer end of spring seat (4) axial bond tooth (4-1).The annular boss (4-3) of spring seat (4) outer end is axially slided with the hole wall of the step hole of rotating seat (5) and is joined, and in the step hole seal ring is housed (11), and the axial clearance between screw shaft (8) and spring seat (4) endoporus is sealed.
Oar-hanging boat oar shaft sealer shown in Fig. 1～4; when screw shaft (8) rotates; driving spring seat (4) rotates; spring seat (4) drives interior rotating ring (6) rotation of rotating seat (5) again and rubs with stationary ring (7); when rotating ring (6) and stationary ring (7) applying end wear; compensate under spring (12) effect in spring seat (4); so rotating ring (6) and stationary ring (7) end face seal are fine; guarantee that the sealing of seal arrangement radial direction is firm; and be arranged on seal ring (11) in the step hole of rotating seat (5); then with the axial direction sealing of seal arrangement, oar shaft sealer sealing therefore of the present utility model is reliable, long service life; can improve the working life of hanging the oar machine; save lubricant oil, reduced operating cost, protected physical environment.
Claims (3)
1, a kind of oar-hanging boat oar shaft sealer, has the bearing (1) that is sleeved on screw shaft (8) shaft shoulder inboard, be sleeved on the shaft-cup (2) and the seal ring in screw shaft (8) shaft shoulder outside, it is characterized in that: the outside of screw shaft (8) shaft shoulder is set with uniform the spring seat (4) of several springs (12), inner join with spring (12) and the annular groove of outer end in inlaying the rotating seat (5) of rotating ring (6), and the shaft-cup (2) that is connected with stationary ring (7) on the step hole of interior edge face by liner (10), rotating ring (6) is fitted mutually with the end face of stationary ring (7), screw shaft (8) is connected with fastening piece with spring seat (4), has axial bond tooth (4-1) on the excircle of spring seat (4) outer end, has corresponding sliding axial keyway (5-1) of joining on the excircle of rotating seat (5) with axial bond tooth (4-1), the annular boss (4-3) of spring seat (4) outer end is axially slided with the hole wall of the step hole of rotating seat (5) and is joined, and in the step hole seal ring is housed (11).
2, oar-hanging boat oar shaft sealer according to claim 1, it is characterized in that: the loud-speaker shape that the axial keyway (5-1) of rotating seat (5) is inner straight, gradually open the outer end, and projection (4-2) clamping of the inboard, outer end of projection (5-2) of the inner of this axial keyway (5-1) and spring seat (4) axial bond tooth (4-1).
3, oar-hanging boat oar shaft sealer according to claim 1 and 2, it is characterized in that: screw shaft (8) adopts Cock screw or straight pin (13) to be connected with spring seat (4), and the pin (14) that locks Cock screw or straight pin (13) is housed, blade (4-4) splayed shape axisymmetricly on the blade (4-4) on spring seat (4) excircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99227494 CN2372508Y (en) | 1999-03-12 | 1999-03-12 | Propeller shaft sealing device for outboard propulsion boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99227494 CN2372508Y (en) | 1999-03-12 | 1999-03-12 | Propeller shaft sealing device for outboard propulsion boat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2372508Y true CN2372508Y (en) | 2000-04-05 |
Family
ID=34016997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99227494 Expired - Fee Related CN2372508Y (en) | 1999-03-12 | 1999-03-12 | Propeller shaft sealing device for outboard propulsion boat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2372508Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458594A (en) * | 2021-03-16 | 2022-05-10 | 大连绿鑫泵业有限公司 | Novel crocodile pump |
-
1999
- 1999-03-12 CN CN 99227494 patent/CN2372508Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458594A (en) * | 2021-03-16 | 2022-05-10 | 大连绿鑫泵业有限公司 | Novel crocodile pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |