CN102734465A - Sealing device for input operation rod shaft of engine - Google Patents
Sealing device for input operation rod shaft of engine Download PDFInfo
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- CN102734465A CN102734465A CN2012100976217A CN201210097621A CN102734465A CN 102734465 A CN102734465 A CN 102734465A CN 2012100976217 A CN2012100976217 A CN 2012100976217A CN 201210097621 A CN201210097621 A CN 201210097621A CN 102734465 A CN102734465 A CN 102734465A
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- operation bar
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Abstract
The present invention provides a sealing device for an input operation rod shaft of an engine, which dispenses with a high size precision in the process of the formation of a sealing member, a shaft sleeve and an input operation rod shaft. In order to resolve the problem, in the sealing device for an input operation rod shaft of an engine, the input operation rod shaft (2) is inserted through the shaft sleeve (1), the outer end portion (3) of the input operation rod shaft at the outer side of the engine is equipped with an input operation rod (4), the inner end portion (5) of the input operation rod shaft at the inner side of the engine is equipped with an output rod (6), between the shaft sleeve (1) and the input operation rod shaft (2) there is provided an annular sealing member (8), the sealing member employs an extrusion type sealing member capable of generation elastic deformation, the protruding ends of a plurality of positions of the sealing member (8) are connected with one of the shaft sleeve (1) and the input operation rod shaft (2) through pressing, and the end portions of the sealing member (8), opposite to the protruding ends of the plurality of positions are connected with the other one of the shaft sleeve and the input operation rod shaft (2).
Description
Technical field
The present invention relates to the input operation bar shaft seal of motor; At length say; Relate to and a kind ofly can in the shaping of Sealing, axle sleeve or input operation bar axle, need not high dimensional accuracy; And make the assembling operation of Sealing simple, and can suppress the input operation bar shaft seal of the motor that the slip resistance of input operation bar axle increases.
Background technique
In the past; The input operation bar shaft seal that has following motor: in axle sleeve, connect and insert input operation bar axle; The input operation bar axle outer end in the motor outside is equipped with the input operation bar; The input operation bar axle inner end inboard at motor is equipped with take-off lever, and the Sealing (for example with reference to patent documentation 1) of ring-type is installed between axle sleeve and input operation bar axle.
If adopt this kind seal arrangement, then have following advantage, that is, and can prevent the inboard engine lubricating oil of motor from the clearance leakage of axle sleeve and input operation bar axle outside motor.
But, in this kind seal arrangement, usually, adopt lip packing or O type circle, therefore existing problems as Sealing.
Lip packing has lip in the inboard of assembly department, in the Sealing mounting groove of axle sleeve, is pressed into fixed installation portion, and lip is crimped on the input operation bar axle, utilizes the elastic-restoring force of lip to seal.
O type circle is a kind of of integral body extrusion type sealed that resiliently deformable can take place; Be entrenched in the Sealing mounting groove of axle sleeve; Be sandwiched between axle sleeve and the input operation bar axle and make the whole resiliently deformable that takes place; To utilize its elastic-restoring force that interior circumferential portion and outer peripheral portion are crimped on axle sleeve and the input operation bar axle, seal thus.
Patent documentation 1: TOHKEMY 2004-278486 communique (with reference to Fig. 1)
" problem " is if use lip packing, then demanding dimensional accuracy in the shaping of Sealing or axle sleeve.
With regard to lip packing, will be pressed into by the assembly department of enhancings such as sheet metal in the Sealing mounting groove that is installed in axle sleeve, thereby in the shaping of Sealing or axle sleeve demanding dimensional accuracy.
" problem " if use lip packing, then the assembling operation of Sealing becomes complicated.
With regard to lip packing, need will be pressed into by the assembly department of enhancings such as sheet metal in the Sealing mounting groove that is installed in axle sleeve with anchor clamps, complicated thereby the assembling operation of Sealing becomes.
" problem " then makes the slip resistance of input operation bar axle increase if use O type circle easily.
With regard to O type circle, because 1 place of the periphery circular arc portion of O tee section is crimped on the axle sleeve, and 1 place of inner arc part is crimped on the input operation bar axle, thereby distortion easily, the slip resistance of input operation bar axle is increased.
Summary of the invention
The object of the present invention is to provide a kind of input operation bar shaft seal of motor; Can in the shaping of Sealing, axle sleeve and input operation bar axle, not need high dimensional accuracy; And make the assembling operation of Sealing simple, and can suppress the slip resistance increase of input operation bar axle.
The determined item of the invention of technological scheme 1 is following.
A kind of input operation bar shaft seal of motor; As Figure 1A, Fig. 4 A, Fig. 4 B or Fig. 5 A, Fig. 5 B institute illustration, in axle sleeve 1, connect and insert input operation bar axle 2, in the input operation bar axle outer end 3 in the motor outside input operation bar 4 is installed; On the input operation bar axle inner end 5 of motor inboard, take-off lever 6 is installed; The Sealing 8 of ring-type is installed between axle sleeve 1 and input operation bar axle 2, it is characterized in that
As Fig. 3 A～Fig. 3 D institute illustration, as Sealing 8, adopt whole extrusion type sealed that resiliently deformable can take place,
The protruding end 10,10 of the many places of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2, and the end 12,25 of protruding ends Sealing 8 and above-mentioned many places 10,10 opposite sides is crimped on in axle sleeve 1 and the input operation bar axle 2 another.
The invention of technological scheme 1 has following effect.
" effect 1-1 " need not high dimensional accuracy in the shaping of Sealing, axle sleeve or input operation bar axle.
As Fig. 3 A～Fig. 3 D institute illustration; Adopt whole extrusion type sealed that resiliently deformable can take place as Sealing 8; Thereby it is big that the permissible range of the size of Sealing 8 or its mounting point becomes, and in the shaping of Sealing 8, axle sleeve 1 or input operation bar axle 2, need not high dimensional accuracy.
The assembling operation of " effect 1-2 " Sealing becomes simple.
As Fig. 3 A～Fig. 3 D institute illustration, adopt whole extrusion type sealed that resiliently deformable can take place as Sealing 8, thereby need not Sealing 8 to be pressed into axle sleeve 1 or input operation bar axle 2 with anchor clamps, it is simple that the assembling operation of Sealing 8 becomes.
" effect 1-3 " can suppress the increase of the slip resistance of input operation bar axle.
As Fig. 3 A～Fig. 3 D institute illustration; The protruding end 10,10 of the many places of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2; The end 12,25 of protruding ends Sealing 8 and above-mentioned many places 10,10 opposite sides is crimped on in axle sleeve 1 and the input operation bar axle 2 another; Thereby Sealing 8 is difficult to be distorted, and can suppress the increase of the slip resistance of input operation bar axle 2.
" effect 1-4 " Sealing is high to the sealing of axle sleeve or input operation bar axle.
As Fig. 3 A～Fig. 3 D institute illustration; The protruding end 10,10 of the many places of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2; The end 12,25 of protruding ends Sealing 8 and above-mentioned many places 10,10 opposite sides is crimped on in axle sleeve 1 and the input operation bar axle 2 another; Thereby, carry out multi-stage sealedly at least with the side in the outer peripheral portion 11,9 in the Sealing, Sealing is high to the sealing of axle sleeve 1 or input operation bar axle 2.
" effect 1-5 " suppresses the damage of Sealing.
As Fig. 3 A～Fig. 3 D institute illustration; The protruding end 10,10 of the many places of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2; The end 12,25 of protruding ends Sealing 8 and above-mentioned many places 10,10 opposite sides is crimped on in axle sleeve 1 and the input operation bar axle 2 another; Thereby Sealing 8 is difficult to distortion, suppresses the damage of Sealing 8.
Outer peripheral portion at the opening portion 45 that leans on the motor outside that is positioned at axle sleeve 1 of input operation bar axle 2 is provided with annular groove 44, and chimeric in this annular groove 44 have a Sealing 8,
More lean at the ratio annular groove 44 on the input operation bar axle 2 between the shaft portion in the outer part 46 and axle sleeve 1 in the motor outside; Be formed with axle-shaft room gap 47, utilize this-shaft room gap 47 makes the shaft portion in the outer part 46 of input operation bar axle 2 not contact with axle sleeve 1.
The invention of technological scheme 2 also has following effect except the effect of the invention of the scheme of possessing skills 1.
" effect 2-1 " can suppress the increase of the slip resistance of input operation bar axle.
As Fig. 3 A～Fig. 3 D institute illustration; More lean at the ratio annular groove 44 on the input operation bar axle 2 between the shaft portion in the outer part 46 and axle sleeve 1 in the motor outside; Be formed with axle-shaft room gap 47, utilize this-shaft room gap 47 makes the shaft portion in the outer part 46 of input operation bar axle 2 not contact with axle sleeve 1, thereby; Get rusty even carry out the outer peripheral portion of antirust shaft portion in the outer part 46 in the sealing that can't utilize Sealing 8, also can suppress the increase of the slip resistance of input operation bar axle 2.
Adjacent in annular groove 44 and lean on the part in the motor outside to be formed with foreign matter storage space 48 with Sealing 8; Through making this foreign matter storage space 48, thereby make foreign matter from getting into foreign matter storage spaces 48 via axle-shaft room gap 47 between input operation bar 4 and the axle sleeve exterior edge face 19 towards axle-shaft room gap 47.
" effect 3 " can suppress the increase of the slip resistance of input operation bar.
As Fig. 3 A～Fig. 3 D institute illustration; Adjacent in annular groove 44 and lean on the part in the motor outside to be formed with foreign matter storage space 48 with Sealing 8; Through making this foreign matter storage space 48 towards axle-shaft room gap 47; Thereby make foreign matter from getting into foreign matter storage space 48 via axle-shaft room gap 47 between input operation bar 4 and the axle sleeve exterior edge face 19; Thereby the foreign matter or the foreign matters such as abrasion metal powder that between axle sleeve exterior edge face 19 and input operation bar 4, produces or rust that enter between axle sleeve exterior edge face 19 and the input operation bar 4 from the outside of motor enter into foreign matter storage space 48 via axle-shaft room gap 47.Therefore, can suppress the increase of the slip resistance of input operation bar 4.
Across axle-shaft room gap 47 and shaft portion in the outer part of input operation bar axle 2 respect to one another 46 and axle sleeve 1 relative position separately are formed with chamfered section 49,50 respectively.
The invention of technological scheme 4 also has following effect except the effect of the invention of the scheme of possessing skills 3.
" effect 4-1 " suppresses the increase of the slip resistance of input operation bar.
As Fig. 3 A～Fig. 3 D institute illustration; Across axle-shaft room gap 47 and the shaft portion in the outer part of input operation bar axle 2 respect to one another 46 is formed with chamfered section 49,50 respectively with axle sleeve 1 relative position separately; Thereby; Axle-shaft room gap 47 becomes big, and the foreign matter between axle sleeve exterior edge face 19 and the input operation bar 4 is successfully discharged to foreign matter storage space 48 from axle-shaft room gap 47.In addition, because axle-shaft room gap 47 becomes big, so Sealing 8 is difficult to be involved in axle-shaft room gap 47.Because these reasons suppress the increase of the slip resistance of input operation bar 4.
" effect 4-2 " can suppress the damage of Sealing.
As Fig. 3 A～Fig. 3 D institute illustration, because Sealing 8 is difficult to be involved in axle-shaft room gap 47, so can suppress the damage of Sealing 8.
The sectional shape of Sealing 8 is an X-shaped; The protruding end 10,10 at 2 places of Sealing outer peripheral portion 9 is crimped on the inner peripheral surface of the opening portion 45 that leans on the motor outside of axle sleeve 1, and the protruding end 12,12 at 2 places of circumferential portion 11 is crimped on the inner bottom surface of annular groove 44 of input operation bar axle 2 in the Sealing.
The invention of technological scheme 5 also has following effect except the effect of the invention of scheme of possessing skills 3 or technological scheme 4.
" effect 5-1 " can suppress the increase of the slip resistance of input operation bar axle.
As Fig. 3 A institute illustration; The sectional shape of Sealing 8 is an X-shaped; Make the protruding end 10,10 at 2 places of Sealing outer peripheral portion 9 be crimped on the inner peripheral surface of the opening portion 45 that leans on the motor outside of axle sleeve 1; The protruding end 12,12 at 2 places of circumferential portion 11 in the Sealing is crimped on the inner bottom surface of annular groove 44 of input operation bar axle 2, thereby can be difficult to cause the distortion of Sealing 8, suppress the increase of the slip resistance of input operation bar axle 2.
" effect 5-2 " can improve the carrying capacity of the foreign matter of foreign matter storage space.
As Fig. 3 A institute illustration,,, can improve the carrying capacity of the foreign matter of foreign matter storage space 48 so the recess 51 of Sealing 8 also can utilize as foreign matter storage space 48 because the sectional shape of Sealing 8 is an X-shaped.
" effect 5-3 " can suppress the decline by the oil seal function of the engaging-in Sealing that causes of foreign matter though store foreign matter at the foreign matter storage space.
As Fig. 3 A institute illustration; The sectional shape of Sealing 8 is an X-shaped; Make the protruding end 10,10 at 2 places of Sealing outer peripheral portion 9 be crimped on the inner peripheral surface of the opening portion 45 that leans on the motor outside of axle sleeve 1, the protruding end 12,12 at 2 places of circumferential portion 11 in the Sealing is crimped on the inner bottom surface of annular groove 44 of input operation bar axle 2, thereby; By the dust sealing function of the protruding end 10,12 of leaning on the motor outside, can prevent that foreign matter is to leaning on the engaging-in of the inboard protruding end 10,12 of motor.Therefore, though store foreign matters, can suppress decline by the oil seal function of the engaging-in Sealing that causes 8 of foreign matter at foreign matter storage space 48.
The sectional shape of Sealing 8 is a Y shape, and the protruding end 10,10 at 2 places of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2, and the protruding end 12 at 1 place of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2 another.
The effect of the invention of technological scheme 6 invention of arbitrary scheme in the scheme of possessing skills 1 to technological scheme 4, also has following effect.
" effect 6 " can improve the carrying capacity of the foreign matter of foreign matter storage space.
As Fig. 3 B institute illustration,,, can improve the carrying capacity of the foreign matter of foreign matter storage space 48 so the recess 52 of Sealing 8 also can utilize as foreign matter storage space 48 because the sectional shape of Sealing 8 is a Y shape.
The sectional shape of Sealing 8 is a V-arrangement, and the protruding end 10,10 at 2 places of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2, and the protruding end 12 at 1 place of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2 another.
The possess skills effect of the invention of arbitrary scheme in scheme 1 to the technological scheme 4 of the invention of technological scheme 7.
The sectional shape of Sealing 8 does; Either side edge in outer circumferential side and the interior all sides is the shape that to the inside recessed V font and remaining three edges are the コ font on the whole; The protruding end 10,10 at 2 places of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2, and the end 25 with protruding ends 2 places 10,10 opposite sides Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2 another.
The possess skills effect of the invention of arbitrary scheme in scheme 1 to the technological scheme 4 of the invention of technological scheme 8.
The a plurality of Sealings 8,8 that on the axial length direction of input operation bar axle 2, are separated are installed between axle sleeve 1 and input operation bar axle 2.
The effect of the invention of technological scheme 9 invention of arbitrary scheme in the scheme of possessing skills 1 to technological scheme 8, also has following effect.
" effect 9-1 " can suppress the increase of the slip resistance of input operation bar axle.
As Figure 1A, Fig. 4 A, Fig. 4 B or Fig. 5 A, Fig. 5 B institute illustration; The a plurality of Sealings 8,8 that on the axial length direction of input operation bar axle 2, separate are installed between axle sleeve 1 and input operation bar axle 2; Thereby input operation bar axle 2 is difficult to tilt; Suppress outer end 7 of axle sleeve or axle sleeve inner end 26 and contact, can suppress the increase of the slip resistance of input operation bar axle 2 with input operation bar axle 2.
" effect 9-2 " is difficult to cause the eccentric wear of the outer end of axle sleeve, axle sleeve inner end or input operation bar axle.
As Figure 1A, Fig. 4 A, Fig. 4 B or Fig. 5 A, Fig. 5 B institute illustration; The a plurality of Sealings 8,8 that on the axial length direction of input operation bar axle 2, separate are installed between axle sleeve 1 and input operation bar axle 2; Thereby; Input operation bar axle 2 is difficult to tilt, and suppresses outer end 7 of axle sleeve or axle sleeve inner end 26 and contacts with input operation bar axle 2, thereby be difficult to cause their eccentric wear.
" effect 9-3 " is difficult to leak oil from axle sleeve.
As Figure 1A, Fig. 4 A, Fig. 4 B or Fig. 5 A, Fig. 5 B institute illustration; The a plurality of Sealings 8,8 that on the axial length direction of input operation bar axle 2, separate are installed between axle sleeve 1 and input operation bar axle 2; Thereby, by the sealing of many places, be difficult to leak oil from axle sleeve 1.
The invention of technological scheme 10 also has following effect except the effect of the invention of the scheme of possessing skills 9.
The slip resistance of " effect 10-1 " input operation bar axle diminishes.
As Fig. 4 A institute illustration; Since make adjacent Sealing 8, between 8 Sealing between the outer circumferential face of input operation bar shaft portion 15 recessed; So the area of contact of input operation bar axle 1 and axle sleeve 2 diminishes, thereby the slip resistance of input operation bar axle 1 diminishes.
The lubricity of " effect 10-2 " input operation bar axle improves.
As Fig. 4 A institute illustration owing to deposit space 16 being formed with oil measure between input operation bar shaft portion 15 and the axle sleeve 1 between Sealing, so oil measure is deposited space 16 in store oil, the lubricity raising of input operation bar axle 2.
Input operation bar axle outer end 3 is installed guiding axial region 18 as diameter than its adjacent shafts part 17 little Sealings; It is outstanding from adjacent shafts part 17 that the sealing part is installed guiding axial region 18, guides axial region 18 to guide to the Sealing mounting point by adjacent shafts part 17 thereby can install along Sealing with the Sealing 8 that Sealing is installed the protruding terminus tabling of guiding axial region 18.
The invention of technological scheme 11 has following effect except the effect of the invention of the scheme of possessing skills 1.
The installation exercise of " effect 11 " Sealing becomes simple.
As Fig. 4 B, Fig. 4 C institute illustration; Input operation bar axle outer end 3 is installed guiding axial region 18 as diameter than its adjacent shafts part 17 little Sealings; It is outstanding from adjacent shafts part 17 that the sealing part is installed guiding axial region 18; Thereby can along Sealing guiding axial region 18 be installed with the Sealing 8 that Sealing is installed the protruding terminus tabling of guiding axial region 18 and guide to Sealing mounting point by adjacent shafts part 17, thereby, when Sealing 8 is installed; Need not to make Sealing 8 significantly distortion diametrically, it is simple that the installation exercise of Sealing 8 becomes.
Axle sleeve exterior edge face 19 is provided with the foreign matter storagetank 20 along the ring-type of axle sleeve inner circumference edge, and is provided with the rhone 21 that crosses axle sleeve exterior edge face 19 from the foreign matter storagetank 20 of this ring-type.
The effect of the invention of technological scheme 12 invention of arbitrary scheme in the scheme of possessing skills 1 to technological scheme 11, also has following effect.
" effect 12-1 " can suppress the increase of the slip resistance of input operation bar.
As Fig. 5 A, Fig. 5 B institute illustration; Because axle sleeve exterior edge face 19 is provided with along the foreign matter storagetank 20 of the ring-type of axle sleeve inner circumference edge; So the foreign matter or the foreign matters such as abrasion metal powder that between axle sleeve exterior edge face 19 and input operation bar 4, produces or rust that enter between axle sleeve exterior edge face 19 and the input operation bar 4 from the outside of motor are stored in foreign matter storagetank 20, can suppress the increase of the slip resistance of input operation bar 4.
" effect 12-2 " can suppress the input operation bar or axle sleeve gets rusty.
As Fig. 5 A, Fig. 5 B institute illustration; Because the foreign matter storagetank 20 along the ring-type that the axle sleeve inner circumference edge is arranged is set on axle sleeve exterior edge face 19; And be provided with the rhone 21 that crosses axle sleeve exterior edge face 19 from the foreign matter storagetank 20 of this ring-type; So the water that enters between axle sleeve outer end 19 and the input operation bar 4 from the outside of motor is discharged via rhone 21 from foreign matter storagetank 20, can suppress input operation bar 4 or axle sleeve 1 gets rusty.
Central part in axle sleeve exterior edge face 19 is provided with input operation rod bearing 22; Around the input operation rod bearing 22 of axle sleeve outer circumferential face 19, be formed with the downward-sloping toward the outer side conical surface 23, between the input operation bar 4 and the conical surface 23, be formed with foreign matter and store gap 24.
The effect of the invention of technological scheme 13 invention of arbitrary scheme in the scheme of possessing skills 1 to technological scheme 11, also has following effect.
" effect 13-1 " can suppress the increase of the slip resistance of input operation bar.
As Fig. 5 C, Fig. 5 D institute illustration; Central part in axle sleeve exterior edge face 19 is provided with input operation rod bearing 22; Around the input operation rod bearing 22 of axle sleeve outer circumferential face 19, be formed with the downward-sloping toward the outer side conical surface 23; Between the input operation bar 4 and the conical surface 23, be formed with foreign matter and store gap 24; Therefore, the foreign matter or the foreign matters such as abrasion metal powder that between axle sleeve exterior edge face 19 and input operation bar 4, produces or rust that enter into from the outside of motor between axle sleeve exterior edge face 19 and the input operation bar 4 are discharged in the foreign matter storage space 24.Therefore, can suppress the increase of the slip resistance of input operation bar 4.
" effect 13-2 " can suppress the input operation bar or axle sleeve gets rusty.
Like Fig. 5 C, Fig. 5 D institute illustration; Because the central part in axle sleeve exterior edge face 19 is provided with input operation rod bearing 22; Around the input operation rod bearing 22 of axle sleeve outer circumferential face 19, be formed with the downward-sloping toward the outer side conical surface 23; Between the input operation bar 4 and the conical surface 23, be formed with foreign matter and store gap 24,, can suppress input operation bar 4 or axle sleeve 1 gets rusty so the water that enters between axle sleeve outer end 19 and the input operation bar 4 from the outside of motor is discharged via foreign matter storage space 24.
Technological scheme 14 is the input operation bar shaft seals like each described motor in the technological scheme 1 to 13, it is characterized in that,
Input operation bar axle 2 in the axle sleeve 1 is provided with a plurality of grooves 53,54,54,54 of on the axial length direction, arranging; These a plurality of grooves 53,54,54,54 have respectively along the circumferential direction of input operation bar axle 2, in these a plurality of grooves 53,54,54,54, can keep oiling agent.
The effect of the invention of technological scheme 14 invention of arbitrary scheme in the scheme of possessing skills 1 to technological scheme 13, also has following effect.
" effect 14 " can suppress the damage of axle sleeve or input operation bar axle.
As Figure 1A, Fig. 1 E institute illustration; Because the input operation bar axle 2 in the axle sleeve 1 is provided with a plurality of grooves 53,54,54,54 of on the axial length direction, arranging; These a plurality of grooves 53,54,54,54 have respectively along the circumferential direction of input operation bar axle 2; In these a plurality of grooves 53,54,54,54, can keep oiling agent,, can be suppressed at and sintering takes place on axle sleeve 1 or the input operation bar axle 2 or block so be utilized in the oiling agent that the gap of axle sleeve 1 and input operation bar axle 2 keeps.In addition; A plurality of grooves 53,54,54,54 become the abrasion metal powder that produces in the gap of axle sleeve 1 and input operation bar axle 2 or enter into axle sleeve 1 and the foreign matter reservoir of the carbon in the gap of input operation bar axle 2 etc., can prevent engaging-in by the foreign matter that between axle sleeve 1 and input operation bar axle 2, produces.Based on these reasons, can suppress the damage of axle sleeve 1 or input operation bar axle 2.
A plurality of grooves 53,54,54,54 are made up of the degree of depth different deep trouth 53 and shallow slot 54,54,54, and shallow slot 54,54,54 forms from its central part shape of shoaling gradually of both end sides axially.
The invention of technological scheme 15 also has following effect except the effect of the invention of the scheme of possessing skills 14.
" effect 15 " can improve the damage muting function of input operation bar axle.
As Fig. 1 E institute illustration; Because a plurality of grooves 53,54,54,54 are made up of the degree of depth different deep trouth 53 and shallow slot 54,54,54; Shallow slot 54,54,54 forms from its central part shape of shoaling gradually of both end sides axially, so can improve the damage muting function of input operation bar axle 2.Its reason is; The maintenance function of the oiling agent of deep trouth 53 is high, and the foreign matter accommodation function is also high, in addition; Shallow slot 54,54,54 at input operation bar axle 2 when rocking appears in the axial length direction; The end of shallow slot 54,54,54 is suspended on the thick oiling agent of the thickness that leans on central part of this groove, between axle sleeve 1 and input operation bar axle 2, produces repulsion, and this can suppress direct contact of axle sleeve 1 and input operation bar axle 2.
Description of drawings
Figure 1A～Fig. 1 F is the figure that the input operating device to the input operation bar shaft seal of the motor with mode of execution of the present invention describes; Figure 1A is a longitudinal section; Figure 1B is a plan view, and Fig. 1 C is a worm's eye view, and Fig. 1 D is the enlarged view of the D part of Figure 1A; Fig. 1 E is the enlarged view of the E part of Figure 1A, and Fig. 1 F is the enlarged view of the F part of Fig. 1 E.
Fig. 2 A～Fig. 2 B is the figure that the fuel accent amount portion to the motor of the input operating device with Fig. 1 describes, and Fig. 2 A is a longitudinal section, and Fig. 2 B is that the B direction of Fig. 2 A is to view.
Fig. 3 A～Fig. 3 D is the basic example of the Sealing that in the input operating device of Fig. 1, uses and the explanatory drawing of variation; Fig. 3 A is the sectional view of basic example He its circumferential component of Sealing; Fig. 3 B is the sectional view of variation 1 and its circumferential component of Sealing; Fig. 3 C is the sectional view of variation 2 and its circumferential component of Sealing, and Fig. 3 D is the sectional view of variation 3 and its circumferential component of Sealing.
Fig. 4 A～Fig. 4 C is the explanatory drawing of the variation of the input operation bar axle that in the input operating device of Fig. 1, uses; Fig. 4 A is the longitudinal section of input operating device with variation 1 of input operation bar axle; Fig. 4 B is the longitudinal section of input operating device with variation 2 of input operation bar axle, and Fig. 4 C is the enlarged view of the C part of Fig. 4 B.
Fig. 5 A～Fig. 5 D is the explanatory drawing of the variation of the input operation rod bearing that in the input operating device of Fig. 1, uses; Fig. 5 A is the longitudinal section of input operating device with variation 1 of input operation rod bearing; Fig. 5 B is the B-B sectional view of Fig. 5 A; Fig. 5 C is the longitudinal section of input operating device with variation 2 of input operation rod bearing, and Fig. 5 D is the enlarged view of the D part of Fig. 5 C.
Wherein, description of reference numerals is following:
1 axle sleeve
2 input operation bar axles
3 input operation bar axle outer ends
4 input operation bars
5 input operation bar axle inner ends
6 take-off levers
8 Sealings
10 protruding ends
12 protruding ends
Input operation bar shaft portion between 15 Sealings
16 oil measures are deposited the space
17 adjacent shafts parts
18 Sealings are installed the guiding axial region
19 axle sleeve exterior edge faces
20 foreign matter storagetanks
21 rhones
22 input operation rod bearings
23 conical surfaces
24 foreign matters are stored the gap
25 ends
44 annular grooves
45 opening portions
46 shaft portions in the outer part
47-shaft room gap
48 foreign matter storage spaces
49 chamfered section
50 chamfered section
51 recesses
52 recesses
53 deep trouths
54 shallow slots
Embodiment
Figure 1A～Fig. 5 D is the figure that the input operating device to the input operation bar shaft seal of the motor with mode of execution of the present invention describes, and in this embodiment, the input operating device of the fuel accent amount portion of DENG is described.
Shown in Fig. 2 A, Fig. 2 B, be provided with gear-box 28 in the front portion of the pump putting chamber 27 of motor, in pump putting chamber 27, be equipped with fuel-injection pump 29, at gear-box 28 a pair of input operating device is installed.An input operating device utilizes speed-regulating manipulation device 30 and is connected with governor arm 33 linkedly via governor spring 32, sets engine speed.Another input operating device utilizes motor shut-down operation device 31 to make the fuel accent amount tooth bar (rack) 34 of fuel-injection pump 29 move to fuel injection position, so that motor stops.
Motor shut-down operation device 31 is described.
Shown in Fig. 2 A, Fig. 2 B, motor shut-down operation device 31 is installed on the lid 35 that gear-box 28 is installed.
Shown in Figure 1A; In axle sleeve 1, connect and insert input operation bar axle 2; On the input operation bar axle outer end 3 in the motor outside, input operation bar 4 is installed; On the input operation bar axle inner end 5 of motor inboard, take-off lever 6 is installed, the Sealing 8 of ring-type is installed between axle sleeve 1 and input operation bar axle 2.
Shown in Fig. 2 A, Fig. 2 B; Axle sleeve 1 is formed on the lid of installing on the gear-box 28 35; Being on the input operation bar axle outer end 3 in the gear-box outside input operation bar 4 that motor stops usefulness being installed in the motor outside, is on the inboard input operation bar axle inner end 5 of gear-box 28 take-off lever 6 that motor stops usefulness being installed in the motor inboard.Take-off lever 6 by spiral helicine Returnning spring 6a to the direction application of force in the opposite direction with the motor shut-down operation.
Shown in Fig. 3 A～Fig. 3 D; As Sealing 8; Adopt whole extrusion type sealed that resiliently deformable can take place; The protruding end 10,10 of the many places of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2, the opposite side 12,25 of the opposite side in protruding end Sealing 8 and above-mentioned many places 10,10 is crimped on in axle sleeve 1 and the input operation bar axle 2 another.
Shown in Fig. 3 A～Fig. 3 D; The outer peripheral portion by the opening portion 45 outside the motor that is positioned at axle sleeve 1 at input operation bar axle 2 is provided with annular groove 44; Chimeric Sealing 8 in this annular groove 44 more leans at the ratio annular groove 44 on the input operation bar axle 2 between the shaft portion in the outer part 46 and axle sleeve 1 in the motor outside, forms axle-shaft room gap 47; Utilize this axle-shaft room gap 47, the shaft portion in the outer part 46 of input operation bar axle 2 is contacted with axle sleeve 1.
Shown in Fig. 3 A～Fig. 3 D; Adjacent in annular groove 44 and lean on the part in the motor outside to be formed with foreign matter storage space 48 with Sealing 8; Through making this foreign matter storage space 48, foreign matter is entered in the foreign matter storage space 48 via axle-shaft room gap 47 between input operation bar 4 and the axle sleeve exterior edge face 19 towards axle-shaft room gap 47.
By the elastic-restoring force of spiral helicine Returnning spring 6a on prolonging direction, the axle sleeve exterior edge face 19 in the motor outside is close to input operation bar 4.
Shown in Fig. 3 A～Fig. 3 D, across axle-shaft room gap 47 and shaft portion in the outer part of input operation bar axle 2 toward each other 46 and axle sleeve 1 relative position separately are formed with chamfered section 49,50 respectively.
The chamfered section 49 of the shaft portion in the outer part 46 of input operation bar axle 2 is a circular shape, and the chamfered section 50 of axle sleeve 1 is a conical by its shape.
Shown in Fig. 3 A～Fig. 3 D,, can use various Sealings as Sealing 8; But routine as basically, can enumerate following Sealing, promptly; Shown in Fig. 3 A; Sectional shape is an X-shaped, and the protruding end 10,10 at two places of Sealing outer peripheral portion 9 is crimped on the axle sleeve 1, and the protruding end 12,12 at two places of circumferential portion 11 in the Sealing is crimped on the inner bottom surface of annular groove 44 of input operation bar axle 2.Sealing 8 is embedded in the annular groove 44 of input operation bar axle 2.
The Sealing 8 of instead routine basically change example 1; Consider to have following Sealing; That is, shown in Fig. 3 B, sectional shape is a Y shape; The protruding end 10,10 at two places of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2, the protruding end 12 at a place of Sealing 8 is crimped on another.
With regard to the Sealing shown in Fig. 3 B, the protruding end 10,10 at two places of Sealing outer peripheral portion is crimped on the axle sleeve 1, make on the protruding end 12 crimping input operation bar axles 2 at a place of circumferential portion in the Sealing.
The Sealing 8 of instead routine basically change example 2; Consider to have following Sealing; That is, shown in Fig. 3 C, sectional shape is a V-arrangement; The protruding end 10,10 at 2 places of Sealing 8 is crimped on in axle sleeve 1 and the input operation bar axle 2, the protruding end 12 at 1 place of Sealing 8 is crimped on another.
With regard to the Sealing shown in Fig. 3 C, the protruding end 10,10 at 2 places of Sealing outer peripheral portion is crimped on the axle sleeve 1, the protruding end 12 at 1 place of circumferential portion in the Sealing is crimped on the input operation bar axle 2.
With regard to the Sealing shown in Fig. 3 D; It is that the edge of outer circumferential side is V font and remaining 3 edges shape of コ font on the whole; The protruding end 10,10 at 2 places of Sealing outer peripheral portion is crimped on the axle sleeve 1, the end 25 of circumferential portion in the Sealing is crimped on the input operation bar axle 2.
Shown in Figure 1A, between axle sleeve 1 and input operation bar axle 2, a plurality of Sealings 8,8 that separate in the axial length direction of input operation bar axle 2 are installed.Sealing 8,8 is provided with a pair of at outer sidepiece 7 of axle sleeve and the inner sidepiece 13 of axle sleeve.As pair of seal members 8,8, adopt the Sealing of identical basic example.Pair of seal members 8,8 also can adopt the congener Sealing in basic example and the change example 1～3, also can adopt different types of Sealing.
Shown in Fig. 4 A～Fig. 4 C, also can use variation as input operation bar axle 2.
In the variation 1 of the input operation bar axle 2 shown in Fig. 4 A; Make the outer circumferential face of input operation bar shaft portion 15 between adjacent Sealing 8, Sealing between 8 recessed; And, be formed with oil measure and deposit space 16 between Sealing between input operation bar shaft portion 15 and the axle sleeve 1.
In the variation 2 of the input operation bar axle 2 shown in Fig. 4 B, Fig. 4 C; Input operation bar axle outer end 3 is installed guiding axial region 18 as diameter than its adjacent shafts part 17 little Sealings; And it is outstanding from adjacent shafts part 17 to make the sealing part that guiding axial region 18 is installed; Thus, can along Sealing guiding axial region 18 be installed with the Sealing 8 that Sealing is installed the protruding terminus tabling of guiding axial region 18 and guide to mounting point by the Sealing of adjacent shafts part 17.
Shown in Fig. 5 A～Fig. 5 D, also can use variation as the input operation rod bearing.
In the variation 1 of the input operation rod bearing shown in Fig. 5 A, Fig. 5 B; Input operation bar 4 is close on the axle sleeve exterior edge face 19 in the motor outside; Axle sleeve exterior edge face 19 is provided with the foreign matter storagetank 20 along the ring-type of axle sleeve inner circumference edge, and is provided with the rhone 21 that crosses axle sleeve exterior edge face 19 from the foreign matter storagetank 20 of this ring-type.
In the variation 2 of the input operation rod bearing shown in Fig. 5 C, Fig. 5 D; Input operation bar 4 is close on the axle sleeve exterior edge face 19 in the motor outside; Central part in axle sleeve exterior edge face 19 is provided with input operation rod bearing 22; Around the input operation rod bearing 22 of axle sleeve outer circumferential face 19, be formed with the downward-sloping toward the outer side conical surface 23, between the input operation bar 4 and the conical surface 23, be formed with foreign matter and store gap 24.
Shown in Figure 1A, Fig. 1 E; Input operation bar axle 2 in the axle sleeve 1 is provided with a plurality of grooves 53,54,54,54 of on the axial length direction, arranging; These a plurality of grooves 53,54,54,54 have respectively along the circumferential direction of input operation bar axle 2, in these a plurality of grooves 53,54,54,54, can keep oiling agent.
Shown in Fig. 1 E, a plurality of grooves 53,54,54,54 are made up of the degree of depth different deep trouth 53 and shallow slot 54,54,54, and shallow slot 54,54,54 forms the shape that shoals gradually to axial both end sides from its central part.Deep trouth 53 too.
As oiling agent, adopt grease.
Observe from the direction vertical with the axial length direction of input operation bar axle 2, the bottom surface of a plurality of grooves 53,54,54,54 is circular-arc, and is difficult to cause that in the bottom surface of groove 53,54,54,54 stress is concentrated.Shown in Fig. 1 F, observe from the direction vertical with the axial length direction of input operation bar axle 2, be circular-arc by the end face on the mountain 55,56,57 of a plurality of groove 53,54,54,54 clampings.Shown in Figure 1B, a plurality of grooves 53,54,54,54 comprise a deep trouth 53 and continuous a plurality of (3) shallow slot 54,54,54, deep trouth 53 and 3 continuous shallow slot 54,54,54 alternate configurations.Each groove 53,54,54,54 is respectively circular, and each groove 53,54,54,54 is upwards discontinuous in week each other, and shown in Fig. 1 F, and only the gap via the inner peripheral surface of the end face on the mountain that clips each groove 53,54 55,56,57 and axle sleeve 1 is connected with each other logical.That is, each groove 53,54,54,54 is not that each groove 53,54,54,54 is each other at the continuous spiral chute that makes progress in week.
Below a plurality of grooves 53,54,54,54, configuration Sealing 8 between axle sleeve 1 and input operation bar axle 2 utilizes Sealing 8 to be suppressed at the outflow of the oiling agent that keeps between axle sleeve 1 and the input operation bar axle 2.
Speed-regulating manipulation device 30 shown in Fig. 2 A, Fig. 2 B is same with motor shut-down operation device 31, is installed on the lid of installing on the gear-box 28 36.
This speed-regulating manipulation device 30 has the construction element identical with motor shut-down operation device 31; To the construction element identical in the speed-regulating manipulation device 30 of Fig. 2 A, Fig. 2 B with motor shut-down operation device 31, the identical reference character of construction element of mark and motor shut-down operation device 31.
This speed-regulating manipulation device 30 adopts the structure identical with motor shut-down operation device 31; But being on the input operation bar axle outer end 3 in gear-box 28 outsides input operation bar 4 that speed governing is used to be installed in the motor outside, is on the inboard input operation bar axle inner end 5 of gear-box 28 take-off lever 6 that speed governing is used to be installed in the motor inboard.Take-off lever 6 by spiral helicine Returnning spring 6a to the direction application of force in the opposite direction with the motor shut-down operation.Other structures are identical with motor shut-down operation device 31.On the input operation bar axle 2 of speed-regulating manipulation device 30, also be formed with a plurality of grooves 53,54,54,54.
The radius R of the input operation bar axle 2 shown in Figure 1A is 5mm～30mm, and the axial length size L that forms the input operation bar axle 2 of deep trouth 53 and shallow slot 54 is 15mm～25mm.With regard to the zone that forms deep trouth 53 and shallow slot 54, input operation bar axle 2 is provided with under the situation of a pair of oil seal portion 8,8 that its axial length direction is separated, and expects 60%～100% length for 8,8 in this oil seal portion.
The optimum range of the width W 1 of the deep trouth 53 shown in Fig. 1 F is 0.06mm～0.5mm, and the optimum range of the depth D 1 of the deep 53a of deep trouth 53 is 0.03mm～0.1mm.
In this optimum range, can access the full intensity of the abundant foreign matter accommodation function and the input operation bar axle 2 of deep trouth 53.
Breaking away from this optimum range under the too small situation of the width W 1 of deep trouth 53 or under the shallow excessively situation of the depth D 1 of its deep 53a; The inadequate situation of foreign matter accommodation function that has deep trouth 53; Under the excessive situation of the width W of deep trouth 53 1 or under the dark excessively situation of the depth D 1 of its deep 53a, there is the inadequate situation of intensity of input operation bar axle 2.
The width W 1 of deep trouth 53 is the separation width between the separately top 55a in the adjacent mountain 55,56 of clamping deep trouth 53, the 56a, and the depth D 1 of the deep 53a of deep trouth 53 is that top 55a, 56a from this mountain 55,56 is to the degree of depth of the deep 53a of deep trouth 53.
The optimum range of the width W 2 of shallow slot 54 is 0.002mm～0.06mm, and the optimum range of the depth D 2 of the deep 54a of shallow slot 54 is 0.001mm～0.03mm.
In this optimum range, obtain the sufficient damage muting function of input operation bar axle 2.
Too small or the excessive situation of the width W 2 of shallow slot 54 is crossed under the shallow or dark excessively situation with the depth D 2 of its deep 54a breaking away from this optimum range, has the inadequate situation of damage muting function of input operation bar axle 2.
It the reasons are as follows and infers.
In above-mentioned optimum range; The gradient of shallow slot 54 is also best; When input operation bar axle 2 shook on the axial length direction, the end of shallow slot 54 was suspended on the thick oiling agent of the thickness that leans on centre that is positioned at this groove 54, between axle sleeve 1 and input operation bar axle 2, produced the repulsion of appropriateness; Suppress axle sleeve 1 and come in contact with input operation bar axle 2, thus the damage muting function of raising input operation bar axle 2.
Under the dark excessively situation of the depth D 2 of the deep 54a of the too small situation of the width W 2 of shallow slot 54 or its, there is the too precipitous situation of gradient of shallow slot 54 breaking away from above-mentioned optimum range.In addition, under the shallow excessively situation of the depth D 2 of the excessive situation of the width W of shallow slot 54 2 or its deep 54a, there is the mild excessively situation of gradient of shallow slot 54.In this case; When input operation bar axle 2 shakes on the axial length direction; Even the end of shallow slot 54 is suspended on the thick oiling agent of the thickness that leans on centre that is positioned at this groove; Between axle sleeve 1 and input operation bar axle 2, do not produce the repulsion of appropriateness yet, do not suppress contacting of axle sleeve 1 and input operation bar axle 2, have the situation of the damage muting function decline that makes input operation bar axle 2.
The width W 2 of shallow slot 54 is the separately top 56a on the adjacent mountain 56,57 of clamping shallow slot 54, the separation width of 57a, and the depth D 2 of the deep 54a of shallow slot 54 is 56,57 top 56a, 57a degree of depth to the deep 54a of shallow slot 54 from adjacent mountain.
The optimum range of the maximal clearance C of the inner peripheral surface of protuberance 56a, 57a and the axle sleeve 1 on the mountain 56,57 of the clamping shallow slot 54 shown in Fig. 1 F is below the 0.1mm.
In this optimum range, can access the sufficient damage muting function of input operation bar axle 2.
Under the excessive situation of above-mentioned maximal clearance C, there is the inadequate situation of damage muting function of input operation bar axle 2 breaking away from this optimum range.
It the reasons are as follows and infers.
In above-mentioned optimum range; On the axial length direction, produce when rocking at input operation bar axle 2; The end of shallow slot 54 is suspended on the thick oiling agent of the thickness that leans on centre that is positioned at this groove 54; And between axle sleeve 1 and input operation bar axle 2, producing appropriate repulsion, inhibition axle sleeve 1 contacts with input operation bar axle 2, improves the damage muting function of input operation bar axle 2.
Breaking away from above-mentioned optimum range under the excessive situation of above-mentioned maximal clearance C; Produce when rocking in the axial length direction at input operation bar axle 2; Even the end of shallow slot 54 is suspended on the thick oiling agent of the thickness that leans on centre that is positioned at this groove 54; The oiling agent of shallow slot 54 also freely flows out from above-mentioned maximal clearance C, thereby, between axle sleeve 1 and input operation bar axle 2, do not produce appropriate repulsion; Axle sleeve 1 is not suppressed with contacting of input operation bar axle 2, has the situation of the damage muting function decline of input operation bar axle 2.
Claims (15)
1. the input operation bar shaft seal of a motor; In axle sleeve (1), connect and insert input operation bar axle (2); Input operation bar axle outer end (3) in the motor outside is equipped with input operation bar (4), and the input operation bar axle inner end (5) inboard at motor is equipped with take-off lever (6), and the Sealing (8) of ring-type is installed between axle sleeve (1) and input operation bar axle (2); It is characterized in that
Sealing (8) adopts whole extrusion type sealed that resiliently deformable can take place,
The protruding end of the many places of Sealing (8) (10,10) is crimped on in axle sleeve (1) and the input operation bar axle (2), and the Sealing ends (12,25) with the opposite side in protruding ends above-mentioned many places (10,10) (8) are crimped on in axle sleeve (1) and the input operation bar axle (2) another.
2. the input operation bar shaft seal of motor as claimed in claim 1 is characterized in that,
Outer peripheral portion at the opening portion (45) that leans on the motor outside that is positioned at axle sleeve (1) of input operation bar axle (2) is provided with annular groove (44), and chimeric in this annular groove (44) have a Sealing (8),
More lean at the ratio annular groove (44) on the input operation bar axle (2) between the shaft portion in the outer part (46) and axle sleeve (1) in the motor outside; Be formed with axle-shaft room gap (47), utilize this axle-shaft room gap (47) that the shaft portion in the outer part (46) of input operation bar axle (2) is not contacted with axle sleeve (1).
3. the input operation bar shaft seal of motor as claimed in claim 2 is characterized in that,
Adjacent in annular groove (44) and lean on the part in the motor outside to be formed with foreign matter storage space (48) with Sealing (8); Through making this foreign matter storage space (48), make foreign matter get into foreign matter storage space (48) from the space between input operation bar (4) and axle sleeve exterior edge face (19) via axle-shaft room gap (47) towards axle-shaft room gap (47).
4. the input operation bar shaft seal of motor as claimed in claim 3 is characterized in that,
Across axle-shaft room gap (47) and the shaft portion in the outer part (46) and axle sleeve (1) the relative position separately of input operation bar axle respect to one another (2) are formed with chamfered section (49,50) respectively.
5. like the input operation bar shaft seal of claim 3 or 4 described motors, it is characterized in that,
The sectional shape of Sealing (8) is an X-shaped; The protruding end at 2 places of Sealing outer peripheral portion (9) (10,10) is crimped on the inner peripheral surface of the opening portion (45) that leans on the motor outside of axle sleeve (1), and the protruding end (12,12) at 2 places of circumferential portion (11) is crimped on the inner bottom surface of annular groove (44) of input operation bar axle (2) in the Sealing.
6. like the input operation bar shaft seal of each described motor in the claim 1 to 4, it is characterized in that,
The sectional shape of Sealing (8) is a Y shape; The protruding end at 2 places of Sealing (8) (10,10) is crimped on in axle sleeve (1) and the input operation bar axle (2), and the protruding end (12) at 1 place of Sealing (8) is crimped on in axle sleeve (1) and the input operation bar axle (2) another.
7. like the input operation bar shaft seal of each described motor in the claim 1 to 4, it is characterized in that,
The sectional shape of Sealing (8) is a V-arrangement; The protruding end at 2 places of Sealing (8) (10,10) is crimped on in axle sleeve (1) and the input operation bar axle (2), and the protruding end (12) at 1 place of Sealing (8) is crimped on in axle sleeve (1) and the input operation bar axle (2) another.
8. like the input operation bar shaft seal of each described motor in the claim 1 to 4, it is characterized in that,
The sectional shape of Sealing (8) does; Either side edge in outer circumferential side and the interior all sides is the shape that to the inside recessed V font and remaining three edges are the コ font on the whole; The protruding end at 2 places of Sealing (8) (10,10) is crimped on in axle sleeve (1) and the input operation bar axle (2), and the end (25) with the opposite side in protruding ends 2 places (10,10) Sealing (8) is crimped on in axle sleeve (1) and the input operation bar axle (2) another.
9. like the input operation bar shaft seal of each described motor in the claim 1 to 8, it is characterized in that,
The a plurality of Sealings (8,8) that on the axial length direction of input operation bar axle (2), are separated are installed between axle sleeve (1) and input operation bar axle (2).
10. the input operation bar shaft seal of motor as claimed in claim 9 is characterized in that,
The outer circumferential face that is positioned at input operation bar shaft portion (15) between the Sealing between the adjacent Sealing (8,8) is recessed, deposits space (16) thereby between input operation bar shaft portion (15) between Sealing and axle sleeve (1), form oil measure.
11. the input operation bar shaft seal of motor as claimed in claim 1 is characterized in that,
Guiding axial region (18) is installed as the diameter Sealing littler than its adjacent shafts part (17) in input operation bar axle outer end (3); It is outstanding from adjacent shafts part (17) that the sealing part is installed guiding axial region (18), guides to by the adjacent shafts Sealing mounting point of (17) partly thereby can along Sealing guiding axial region (18) be installed with the Sealing (8) that Sealing is installed the protruding terminus tabling of guiding axial region (18).
12. the input operation bar shaft seal like each described motor in the claim 1 to 11 is characterized in that,
Axle sleeve exterior edge face (19) is provided with the foreign matter storagetank (20) along the ring-type of axle sleeve inner circumference edge, and is provided with the rhone (21) that crosses axle sleeve exterior edge face (19) from the foreign matter storagetank (20) of this ring-type.
13. the input operation bar shaft seal like each described motor in the claim 1 to 11 is characterized in that,
Central part in axle sleeve exterior edge face (19) is provided with input operation rod bearing (22); Around the input operation rod bearing (22) of axle sleeve outer circumferential face (19), be formed with the downward-sloping toward the outer side conical surface (23), between input operation bar (4) and the conical surface (23), be formed with foreign matter storage gap (24).
14. the input operation bar shaft seal like each described motor in the claim 1 to 13 is characterized in that,
Input operation bar axle (2) in the axle sleeve (1) is provided with a plurality of grooves (53,54,54,54) of on the axial length direction, arranging; These a plurality of grooves (53,54,54,54) have respectively along the circumferential direction of input operation bar axle (2), in these a plurality of grooves (53,54,54,54), can keep oiling agent.
15. the input operation bar shaft seal of motor as claimed in claim 14 is characterized in that,
A plurality of grooves (53,54,54,54) are made up of the different deep trouth of the degree of depth (53) and shallow slot (54,54,54), and shallow slot (54,54,54) forms from its central part shape of shoaling gradually of both end sides axially.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
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| JP2011077259 | 2011-03-31 | ||
| JP2011-077259 | 2011-03-31 | ||
| JP2012013767A JP5793436B2 (en) | 2011-03-31 | 2012-01-26 | Engine input control lever shaft sealing device |
| JP2012-013767 | 2012-01-26 |
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| CN102734465A true CN102734465A (en) | 2012-10-17 |
| CN102734465B CN102734465B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210097621.7A Active CN102734465B (en) | 2011-03-31 | 2012-03-30 | The input operation bar shaft seal of motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109989937A (en) * | 2019-05-08 | 2019-07-09 | 合肥恒大江海泵业股份有限公司 | A kind of axle end sealing device for pump shaft of diving under water |
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