CN102094972A - Shaft gland - Google Patents
Shaft gland Download PDFInfo
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- CN102094972A CN102094972A CN2009102543228A CN200910254322A CN102094972A CN 102094972 A CN102094972 A CN 102094972A CN 2009102543228 A CN2009102543228 A CN 2009102543228A CN 200910254322 A CN200910254322 A CN 200910254322A CN 102094972 A CN102094972 A CN 102094972A
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- axle sleeve
- ring
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Abstract
The invention relates to a shaft gland installed on mechanical equipment and sleeved on a rotating shaft of the mechanical equipment. The shaft gland comprises at least one body, a shaft sleeve and a friction unit, wherein the shaft sleeve penetrates through the body and is fixedly arranged on the rotating shaft; the friction unit is sleeved outside the shaft sleeve; the friction unit comprises a first seal assembly, a second seal assembly which is axial parallel with the first seal assembly, a plurality of elastic elements for respectively supporting the first seal assembly and the second seal assembly for generating close action at both ends, a compression ring and at least one positioning element; and the guide block part of the compression ring extends to the middle part between an inside stationary ring and a retaining ring and can guide the first seal assembly and the second seal assembly to do axial motion. Accordingly, the invention provides dual seal and achieves the good effects of leakage prevention, prolonging of service life of elements, and the like.
Description
Technical field
The present invention relates to a kind of shaft seal structure, be meant a kind of axle envelope that is applicable to the rotatingshaft of machinery especially.
Background technique
General structure design of stirring the machinery of usefulness, it is the driving mechanism that on reaction tank, is pivoted, described driving mechanism has stretches the blade wheel that the rotatingshaft, that places reaction tank is locked in the rotatingshaft end, and power plant that can drive rotatingshaft rotation, rely on described power plant to drive the rotatingshaft rotation, make the blade wheel to stir action for the material in the reaction tank.Owing in the process that stirs, can follow pressure simultaneously in the reaction tank,, ooze out by the pivot-connecting position to avoid fluid or gas pressure in the reaction tank so can be provided with an envelope between the notch of reaction tank and the rotatingshaft usually.
A kind of existing axle envelope is constructed as shown in Figure 1, 2, for TaiWan, China is announced " axle envelope retaining ring and compression fixed guide thereof " novel patent case No. 592261.Described case disclosed, and axle envelope 1 comprises: one is used for being set in body 12, a fixed friction ring 13, once sealing ring 10, the retaining ring 14 that axle sleeve 11, on the rotatingshaft 16 of a machinery is fixed on the appropriate position of machinery, and a guiding element 15.Described axle sleeve 11 includes a spin friction ring 111, and a retaining ring 112.And described body 12 have one can be for the room 121 of ccontaining described axle sleeve 11, and most fluid passages 122, each fluid passage 122 is to be connected to room 121 by body 12 outer surfaces.In addition, described fixed friction ring 13 1 sides are provided with several draw-in grooves 131, and fixed friction ring 13 is arranged at the room 121 of body 12, and with spin friction ring 111 mutual butts.Described seal ring 10 is that ring is located between described body 12 and the fixed friction ring 13.Described retaining ring 14 is to be fixed in the room 121 of body 12, and a side surface of retaining ring 14 is provided with several counterbores 141, and several guide grooves 142, and each counterbore 141 can be installed with an elastic element 143 respectively.15 of described guiding elements are to be set in axle sleeve 11 and between fixed friction ring 13 and retaining ring 14, described guiding element 15 1 sides are provided with several can be used for snapping in fixture block 151 in the corresponding draw-in groove 131, the opposite side of guiding element 15 then is provided with several guide blocks 152, embeds with correspondence in the guide groove 142 of retaining ring 14.
Rely on to make the circulating liquid of cooling usefulness enter room 121,, reduce rotatingshaft 16 simultaneously, reach the effect of heat radiation cooling because of rotating the high temperature that friction is produced except providing sealing surface lubricated usefulness via described fluid passage 122.In addition, described axle envelope 1 is more utilized the guide block 152 mutual chimeric designs of the guide groove 142 and the guiding element 15 of retaining ring 14, when making guiding element 15 by elastic element 143 pushing tows, only but relative fixed ring 14 moves axially, and can't rotate start, so that described guiding element 15 pushing tow fixed friction ring 13 smoothly is connected to spin friction ring 111, make to form amplexiforming of friction between fixed friction ring 13 and the spin friction ring 111, to reach the effect of leak-stopping.
Yet in whipping process, what can produce impurity particle in the reaction tank, and crack between the fixed friction ring 13 that blocks described axle envelope 1 easily and the inferior seal ring 10, and can't reach good sealing leakage-proof effect.Moreover, when thing to be stirred is when having the fluid of corrosivity, volatility, toxicity, then need use the twin shaft seal structure, shown in Fig. 3,4, for TaiWan, China is announced " gland seal device () that rotary machine is used " novel patent case No. 424574, axle envelope 2 that this case disclosed includes in the axle sleeve 21, group retaining ring 23, a sealing cover 24, one outer group retaining ring 25, one outer group swivel becket 26 in the group swivel becket 22,, and a positioning ring 27.In operation, be earlier liquid to be poured in the tank of stirrer 31, the liquid that starts in 32 pairs of tanks of axle stirs action, the circulating liquid of cooling usefulness is via perforation 241 inputs that are located on the sealing cover 24, and following the runner 242 that is formed in the sealing cover 24 and flowing, and the heat that axle 32 rotations are generated is outwards being taken out of by the perforation 243 that is located at sealing cover 24 opposite sides.
Described axle envelope 2 in design, rely between interior group of retaining ring 23 and the outer group retaining ring 25 and be provided with most springs 28, when normality, group swivel becket 22 and outer group swivel becket 26 in group retaining ring 23 was conflicted respectively with outer group retaining ring 25 in respectively shored at spring 28 two ends form the double seal effect.When in the tank of stirrer 31 because of stirring operation when being formed with internal pressure, this internal pressure can be by moving on the axle sleeve end cap 211 of shoring axle sleeve 21, and then group swivel becket 22 and interior group of retaining ring 23 in upwards compressing, described spring can form the reaction force that contends with for this internal pressure 28 this moments, to avoid the seepage phenomenon.
Yet therefore planting an outer group of swivel becket 26 of envelope 2 is to rely on principle of expanding with heat and contracting with cold to be entrenched in the outer group retaining ring 25, after use a period of time, organizes swivel becket 26 easy deformation outward, and causes the sealing failure.In addition, described outer group retaining ring 25 only relies on described spring 28 mutual butts with interior group of retaining ring 23, and lacks more stable transmission component, makes described spring 28 easy situations about walking.
Therefore how to improve the leakproof and the sealing usefulness of axle envelope, become the problem that institute of the present invention desire solves then.
Summary of the invention
Therefore, purpose of the present invention is promptly providing lift-off seal of a kind of energy and leak preventing effect, and is improving the element stability of transmission, with the axle envelope that increases the service life.
For achieving the above object, the technical solution used in the present invention is:
A kind of envelope is used for being installed on the machinery, it is characterized in that, described axle package contains: at least one body, definition has a processing procedure side and an atmospheric side in contrast to described processing procedure side, and described body has a room that axially runs through, and one can be for the mobile runner of circulating liquid; One axle sleeve runs through described body, and is used for being set on the rotatingshaft of described machinery; And a friction element is set in described axle sleeve outside, and described body is to be set in outside the described friction element;
Described friction element comprises:
One first black box, approach described processing procedure side, have one and be set in the inboard swivel becket that described axle sleeve is outside and can rotate with described axle sleeve, and an inboard stationary ring that is set in described axle sleeve outside and the described inboard swivel becket of butt, described inboard stationary ring is provided with most locating slots;
One second black box, axially be set up in parallel and approach described atmospheric side with described first black box, having one, to be set in described axle sleeve outside and can be set in the retaining ring of described axle sleeve outside and the described outside rest ring of butt with the outside swivel becket, that described axle sleeve rotates, and an outside rest ring of difference butt described outside swivel becket and described retaining ring, described retaining ring inner circumference edge is provided with at least one scarfing slot;
At least one elastic element, described elastic element is shored described first black box and described second black box respectively with its two ends, to produce seal action;
One compression ring, between described inboard stationary ring and described retaining ring, and described compression ring two opposition sides are respectively equipped with a guide block portion corresponding to each described scarfing slot and each described locating slot, and each described guide block portion also can embed in corresponding each described scarfing slot and corresponding each described locating slot; And
At least one locating piece is connected between described body and described second black box and to guide described second black box axially movable.
Wherein: described body has at least one circulating liquid inlet that is emerging in its outer circumferential face and is communicated with described runner, and the outlet of at least one circulating liquid.
Wherein: the runner of described body is inherent to be provided with a guide plate near described circulating liquid ingress.
Wherein: the runner of described body is inherent to be provided with a guide plate near described circulating liquid outlet port.
Wherein: described axle sleeve outer circumferential face is laid with most conveying blades at interval, and described conveying blade external form is axially extended groove shape.
Wherein: described axle sleeve outer circumferential face is laid with most conveying blades at interval, and described conveying blade external form is axially extended groove shape.
Wherein: described axle sleeve outer circumferential face is laid with most conveying blades at interval, and described conveying blade external form is the groove shape.
Wherein: spacing shaft is to being formed with at least one joining portion on the retaining ring periphery wall of described second black box, described joining portion is to be the groove shape, described locating piece is radially to be installed on the described body with an end, the other end is then stretched and is placed corresponding described joining portion, and can guide the axially activity of described second black box.
Wherein: spacing shaft is to being formed with at least one joining portion on the retaining ring periphery wall of described second black box, described joining portion is to be the groove shape, described locating piece is axially to be installed on the described body with an end, the other end is then stretched and is placed corresponding described joining portion, and can guide the axially activity of described second black box.
Wherein: be equipped with on the described body inner circle wall towards a flange of described room and a clip slot that is positioned at the adjacent side of described flange place, described runner is formed between described flange and the described clip slot;
Described axle envelope also includes most seal washers, is arranged in described flange side edge, the described clip slot respectively, between described inboard swivel becket and the described axle sleeve, and described outside swivel becket and described shaft room.
Wherein: described retaining ring is interval with most on the described end face of described inboard stationary ring can be for the corresponding ccontaining spring groove of described elastic element.
Wherein: described compression ring is interval with most on the described end face of described outside rest ring can be for the corresponding ccontaining spring groove of described elastic element.
Wherein: described body madial wall is provided with at least one radially and can embed the hole that sets firmly for described locating piece one end.
Wherein: described body madial wall is provided with at least one axial and can supply described locating piece one end embedding to set firmly hole.
Wherein: described locating piece is a pin rod.
Wherein: described locating piece is a bolt.
Wherein: described axle sleeve has an axle sleeve end cap towards the processing procedure side, described axle sleeve end cap madial wall convexes with most drive blocks, and described inboard swivel becket is provided with most breach towards the described ora terminalis of described axle sleeve end cap, and described drive block is corresponding sets with each respectively for each breach;
Wherein: described outside swivel becket is provided with most notches on the described ora terminalis away from described outside rest ring, described axle envelope also includes one and is set on the described axle sleeve and is positioned at the end cap of the atmospheric side of described body, and described end cap convexes with most on the described end face near described outside swivel becket can stretch the joint that places each described notch;
Wherein: described retaining ring convexes with most convex jointing parts on the described end face of described outside rest ring, and the inboard ring wall of described retaining ring is provided with most can stretch the conduit of putting for each described convex jointing part.
Wherein: described axle sleeve has an axle sleeve end cap towards the processing procedure side, and described axle sleeve end cap outer circumferential face is laid with at least one conveying blade at interval, and described conveying blade external form is an axially extended spiral channel.
Wherein: described axle sleeve outer circumferential face is laid with at least one conveying blade at interval, and described conveying blade external form is an axially extended spiral channel.
Compared with prior art, the beneficial effect that the present invention has is: rely on first black box, second black box to utilize compression ring, elastic element and shoring of retaining ring jointly and produce the double seal effect, can effectively promote leak preventing effect, and because of first, second black box can both axial displacement, so element can excessive contact not rub, overall structure can be compensated automatically with variation in pressure, and can prolong the working life of each element.
Description of drawings
Fig. 1 is a part section perspective exploded view, illustrates that TaiWan, China announces the structure of No. 592261 " axle envelope retaining ring and compression fixed guide thereof " novel patent case;
Fig. 2 is a combination section, and combination of elements shown in Figure 1 is described;
Fig. 3 is a part section perspective exploded view, illustrates that TaiWan, China announces the structure of No. 424574 " gland seal device () that rotary machine is used " novel patent case;
Fig. 4 is a combination section, and combination of elements shown in Figure 3 is described;
Fig. 5 is a perspective exploded view, and first preferred embodiment of axle envelope of the present invention is described;
Fig. 6 is a combination section, the preferred embodiment of the described axle envelope shown in Figure 5 of aid illustration;
Fig. 7 is another combination of angles sectional drawing, illustrates in the runner of described axle envelope preferred embodiment shown in Figure 5 to be provided with a guide plate;
Fig. 8 is a combination section, illustrates that the locating piece of second preferred embodiment of axle envelope of the present invention is the bolt form;
Fig. 9 is a local combination section, illustrates that axle envelope of the present invention preferred embodiment can form spring groove on the compression ring end face, provide the elastic element state that the location is inserted in one end.
Description of reference numerals: 1 envelope; 10 seal rings; 11 axle sleeves; 111 spin friction rings; 112 retaining rings; 12 bodies; 121 rooms; 122 fluid passages; 13 fixed friction rings; 131 draw-in grooves; 14 retaining rings; 141 counterbores; 142 guide grooves; 143 elastic elements; 15 guiding elements; 151 fixture blocks; 152 guide blocks; 16 rotatingshafts; 3 envelopes; 30 compression rings; 301,302 junctions; 303 spring grooves; 31 bodies; 310 holes; 311 rooms; 312 runners; 313 circulating liquids inlet; The outlet of 314 circulating liquids; 315 guide plates; 316 flanges; 317 clip slots; 318 seal washers; 319 engaging annular grooves; 32 axle sleeves; 320 spiral channels; 321 axle sleeve end caps; 322 surrounding walls; 323 passages; 324 conveying blades; 325 caulking grooves; 326 seal washers; 327 drive blocks; 33 friction elements, 34 first black boies; 341 inboard swivel beckets; 342 inboard stationary rings; 343 loop order faces; 344 seal washers; 345 breach; 346 locating slots; 35 second black boies; 351 outside swivel beckets; 352 retaining rings; 353 joining portion; 354 notches; 355 spring grooves; 356 outside rest rings; 357 convex jointing parts; 358 scarfing slots; 359 conduits; 36 elastic elements; 37 locating pieces; 38 end caps; 381 joints; 39 positioning blocks; 391 hook portions; 4 rotatingshafts; 51 bolts; 52 machinery; A processing procedure side; The B atmospheric side.
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to two graphic preferred embodiments, can clearly present.
The present invention be described in detail before, be noted that in the following description content similar elements is to represent with identical numbering.
Consulting Fig. 5,6, is first preferred embodiment of axle of the present invention envelope 3, is to be used for being installed in the Seal cage of a machinery 52 and its rotatingshaft 4 of socket, and the leakproof purposes is provided.In the present embodiment, described axle envelope 3 includes a body 31, an axle sleeve 32, and a friction element 33.The environment of machine vision equipment 52 and user demand on actual assembled are in series with two bodies 31, are to be example to assemble one at this.
Described body 31 definition have a processing procedure side A and an atmospheric side B in contrast to described processing procedure side A, and but body 31 has the but mobile runner 312 of circulating liquid of usefulness of a room that axially runs through 311, a cooling, and at least one circulating liquid inlet 313 that is exposed outside side face and is communicated with runner 312, at least one circulating liquid outlet 314 that is exposed outside side face and is communicated with runner 312 is set on body 31, is to do explanation with circulating liquid inlet 313 and one circulating liquid outlet 314 in this example.As shown in Figure 7, runner 312 is inherent near being provided with a guide plate 315 between described circulating liquid outlet 314 and inlet 313 places, and described guide plate 315 lateral margins form skewed, can flow swimmingly in runner 312 with direct circulated liquid.In addition, spacer ring is provided with towards a flange 316 of room 311 and a clip slot 317 that is positioned at the adjacent side of described flange place on body 31 inner circle walls, all respectively is provided with a seal washer 318 in flange 316 1 side edge and the clip slot 317.And aforementioned runner 312 is formed between flange 316 and the clip slot 317.Body 31 periphery walls are formed with an engaging annular groove 319 in addition.Body 31 more is provided with most holes 310 towards the madial wall of atmospheric side B.
The continuous Fig. 5 that consults, 7,8, axle sleeve 32 has an axle sleeve end cap 321 towards the processing procedure side, one extends from axle sleeve end cap 321 and runs through the surrounding wall 322 of the room 311 of body 31, one defines the passage 323 that forms and can run through for rotatingshaft 4 by surrounding wall 322, and most conveying blades 324, described conveying blade 324 is laid in surrounding wall 322 outer circumferential faces of axle sleeve 32 and is at interval and extends axially, or described conveying blade 324 is laid in axle sleeve end cap 321 outer circumferential faces and is at interval and extends axially, be used for promoting the speed of circulation of circulating liquid in the runner 312, to promote cooling and lubricating efficiency.What specify is, 324 in any two adjacent conveyor blades can form axially extended groove shape in the described majority conveying blade 324, or form groove shape at interval in the described majority conveying blade 324, or described conveying blade external form is an axially extended spiral channel.In addition, described surrounding wall 322 inboards are being equipped with a caulking groove 325 near axle sleeve end cap 321 places, be provided with a seal washer 326 in the caulking groove 325, to prevent processing procedure side A fluid by the slot leakage of rotatingshaft 4 with axle sleeve 32, described axle sleeve end cap 321 madial walls are protruding with most drive blocks 327 towards surrounding wall 322 bearing of trends.
Described friction element 33 includes second black box 35 that one first black box 34, one and first black box 34 axially be set up in parallel, shores at least one elastic element 36, a compression ring 30 of described first, second black box 34,35 and most locating pieces 37 respectively with two ends.
Described first black box 34, approach described processing procedure side A, have one and be set in the inboard swivel becket 341 that axle sleeve 32 is outside and can rotate with axle sleeve 32, an and inboard stationary ring 342 that is set in the outside and inboard swivel becket 341 of an end butt of axle sleeve 32, described inboard swivel becket 341 outer side surfaces are provided with a loop order face 343, be equipped with a seal washer 344 on the described loop order face 343, and inboard swivel becket 341 is provided with most breach 345 towards the described ora terminalis of the axle sleeve end cap 321 of axle sleeve 32, each breach 345 and each drive block 327 are corresponding and can supply each drive block 327 corresponding setting, in addition, inboard stationary ring 342 is provided with most locating slots 346 on the described ora terminalis away from inboard swivel becket 341.
And second black box 35 axially is set up in parallel and approaches described atmospheric side B with described first black box 34, have one and be set in outside swivel becket 351, the retaining ring 352 that the surrounding wall 322 of axle sleeve 32 is outside and can rotate with axle sleeve 32, and one is set in the outside rest ring 356 that the outside and end of axle sleeve 32 is connected to described outside swivel becket 351.Described outside swivel becket 351 is provided with most notches 354.Described retaining ring 352 periphery walls are provided with at least one joining portion 353.In the present embodiment, be interval with most joining portion 353 on described retaining ring 352 periphery walls, described joining portion 353 is to be the groove shape and towards extending axially.
Moreover described retaining ring 352 is interval with most spring grooves 355 on the described end face of inboard stationary ring 342, provides described elastic element 36 1 ends corresponding wherein ccontaining respectively with a described majority spring groove 355.Retaining ring 352 convexes with most convex jointing parts 357 on the described end face of stationary ring 356 toward the outer side, and side ring surface is concaved with most scarfing slots 358 in it.In addition, described outside rest ring 356 inboard ring walls are provided with most and can stretch the conduit of putting 359 for each described convex jointing part 357.
And described elastic element 36 can be one or more, and described elastic element 36 is to shore described first black box 34 respectively with two ends to produce seal action with described second black box 35, and the one end stretches in each spring groove 355 of retaining ring 352.And aforesaid inboard stationary ring 342, outside rest ring 352 and elastic element 36 all are placed in the room 311 of body 31.
Described compression ring 30, between described inboard stationary ring 342 and described retaining ring and can be for the other end butt of each elastic element 36, and described compression ring 30 2 opposition sides are respectively equipped with a guide block portion 301,302 corresponding to each described scarfing slot 358 with each described locating slot 346, and each described guide block portion 301,302 also can embed in corresponding each described scarfing slot 358 and corresponding each described locating slot 346.As shown in Figure 9, compression ring 30 also can be interval with most and can supply the corresponding ccontaining spring groove 303 of described elastic element 36 the other ends on the described end face of described outside rest ring 356.
In this preferred embodiment, described locating piece 37 is a pin rod, and the one end is with in each hole 310 that radially is installed in body 31, and the other end then axially stretches in a corresponding joining portion 353.Certainly, described locating piece 37 also can radially be installed on the body 31 on being provided with, the other end and radially to stretch in corresponding joining portion 353.Rely on the setting of described locating piece 37 to can be used to prevent that outside rest ring 356 from rotating along with the rotation of axle sleeve 32.In addition, special instruction is that the quantity at described joining portion 353 is consistent with the quantity of locating piece 37.
The continuous Fig. 5,6 that consults, described axle envelope 3 also includes one and is set on the surrounding wall 322 of axle sleeve 32 and is positioned at the end cap 38 of the atmospheric side B of body 31, and most positioning blocks 39.Described end cap 38 convexes with most the joints 381 that can stretch the notch 354 that places outside swivel becket 351 on the described end face near outside swivel becket 351.Described positioning block 39 is compartment of terrains with end locking on end cap 38 periphery walls, and the other end is to form hook portion 391 and be used for detaining the engaging annular groove 319 that is held in body 31, and so temporary transient location and aligning are removed before machinery 52 runnings again.And described compression ring 30 2 opposition sides are respectively equipped with a junction 301,302 corresponding to each scarfing slot 358 with each locating slot 346, and each junction 301,302 also can embed in corresponding scarfing slot 358 and the corresponding locating slot 346.
Consult Fig. 6, in the use, the body 31 of described axle envelope 3 can rely on bolt 51 spiral shells solid on machinery 52 (described in the present embodiment machinery 52 is a stirrer), starting rotatingshaft 4 is rotated the blade wheel (figure does not show) that is located at its lower end with drive and stirs the material that places in the machinery 52, since axle sleeve 32 is sheathed and locking at described rotatingshaft 4, therefore, but described rotatingshaft 4 is interlock axle sleeve 32 when rotated, inboard swivel becket 341 and outside swivel becket 351 rotate synchronously, this moment, machinery 52 internal causes stirred can the make progress axle sleeve end cap 321 of pushing tow axle sleeve 32 of internal pressure that material produced, and pressure with even branch at processing procedure side A, this one upwards thrusting action power can further push inboard swivel becket 341, inboard stationary ring 342, elastic element 36, and compression ring 30, rely on this moment the scarfing slot 358 of guide block portion 302 and retaining ring 352 on the compression ring 30 can relative smooth and easy slip, described elastic element 36 can form reducing of reaction force for internal pressure, and seepage is avoided in the internal pressure effect that can effectively contend with; Rely on described locating piece 37 ends can follow joining portion 353 displacements on the outside rest ring 352 again, make whole friction element 33 have more elasticity for contending with of internal pressure.
Consult Fig. 8, it is second preferred embodiment of axle envelope 3 of the present invention, roughly identical with first preferred embodiment, do not exist together is to be that described locating piece 37 is bolts, body 31 inner circle walls are provided with most the holes 310 that are the screw shape, and make locating piece 37 radially screw lock in hole 310, and locating piece 37 the other ends also can be axially to stretch in corresponding joining portion 353, and this design, can prevent that equally described outside rest ring 356 from rotating along with the rotation of axle sleeve 32, reaches the effect identical with first preferred embodiment.In addition, the outer circumferential face of the axle sleeve end cap 321 of described axle sleeve 32 is equipped with a spiral channel 320, rely on this design, can be with the impurity particle that is produced in the whipping process, when described axle sleeve 32 rotates, be with in the lump from, with the situation of preventing each element generation to block, and then reach better sealing leakage-proof effect.
In sum, axle envelope 3 of the present invention relies on described elastic element 36 to shore first black box 34, second black box 35 with compression ring 30, and produces the double seal effect, to promote leak preventing effect in design; Also be, the inboard stationary ring 342 and the locating slot 346 of described first black box 34 utilizes described compression ring 30, elastic element 36 to produce the double seal effect with retaining ring 352 jointly, making the compensation start of winning between the black box 34 and second black box 35 more smooth and easy, thereby can prolong working life of element, so can reach purpose of the present invention really.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (18)
1. an axle envelope is used for being installed on the machinery, it is characterized in that, described axle package contains: at least one body, definition has a processing procedure side and an atmospheric side in contrast to described processing procedure side, and described body has a room that axially runs through, and one can be for the mobile runner of circulating liquid; One axle sleeve runs through described body, and is used for being set on the rotatingshaft of described machinery; And a friction element is set in described axle sleeve outside, and described body is to be set in outside the described friction element;
Described friction element comprises:
One first black box, approach described processing procedure side, have one and be set in the inboard swivel becket that described axle sleeve is outside and can rotate with described axle sleeve, and an inboard stationary ring that is set in described axle sleeve outside and the described inboard swivel becket of butt, described inboard stationary ring is provided with most locating slots;
One second black box, axially be set up in parallel and approach described atmospheric side with described first black box, having one, to be set in described axle sleeve outside and can be set in the retaining ring of described axle sleeve outside and the described outside rest ring of butt with the outside swivel becket, that described axle sleeve rotates, and an outside rest ring of difference butt described outside swivel becket and described retaining ring, described retaining ring inner circumference edge is provided with at least one scarfing slot;
At least one elastic element is shored described first black box and described second black box respectively with its two ends, to produce seal action;
One compression ring, between described inboard stationary ring and described retaining ring, and described compression ring two opposition sides are respectively equipped with a guide block portion corresponding to each described scarfing slot and each described locating slot, and each described guide block portion also can embed in corresponding each described scarfing slot and corresponding each described locating slot; And
At least one locating piece is connected between described body and described second black box and to guide described second black box axially movable.
2. axle envelope according to claim 1 is characterized in that: described body has at least one circulating liquid inlet that is emerging in its outer circumferential face and is communicated with described runner, and the outlet of at least one circulating liquid.
3. axle envelope according to claim 2 is characterized in that: the runner of described body is inherent to be provided with a guide plate near described circulating liquid ingress.
4. axle envelope according to claim 2 is characterized in that: the runner of described body is inherent to be provided with a guide plate near described circulating liquid outlet port.
5. axle envelope according to claim 1, it is characterized in that: described axle sleeve outer circumferential face is laid with at least one conveying blade at interval, and described conveying blade external form is axially extended groove shape.
6. axle envelope according to claim 1, it is characterized in that: described axle sleeve outer circumferential face is laid with at least one conveying blade at interval, and described conveying blade external form is the groove shape.
7. axle envelope according to claim 1, it is characterized in that: spacing shaft is to being formed with at least one joining portion on the retaining ring periphery wall of described second black box, described joining portion is to be the groove shape, described locating piece is radially to be installed on the described body with an end, the other end is then stretched and is placed corresponding described joining portion, and can guide the axially activity of described second black box.
8. axle envelope according to claim 1, it is characterized in that: spacing shaft is to being formed with at least one joining portion on the retaining ring periphery wall of described second black box, described joining portion is to be the groove shape, described locating piece is axially to be installed on the described body with an end, the other end is then stretched and is placed corresponding described joining portion, and can guide the axially activity of described second black box.
9. axle envelope according to claim 1, it is characterized in that: be equipped with on the described body inner circle wall towards a flange of described room and a clip slot that is positioned at the adjacent side of described flange place, described runner is formed between described flange and the described clip slot;
Described axle envelope also includes most seal washers, is arranged in described flange side edge, the described clip slot respectively, between described inboard swivel becket and the described axle sleeve, and described outside swivel becket and described shaft room.
10. axle envelope according to claim 1 is characterized in that: described retaining ring is interval with most on the described end face of described inboard stationary ring can be for the corresponding ccontaining spring groove of described elastic element.
11. axle envelope according to claim 1 is characterized in that: described compression ring is interval with most on the described end face of described outside rest ring can be for the corresponding ccontaining spring groove of described elastic element.
12. axle envelope according to claim 1 is characterized in that: described body madial wall is provided with at least one radially and can embed the hole that sets firmly for described locating piece one end.
13. axle envelope according to claim 1 is characterized in that: described body madial wall is provided with at least one axial and can supply described locating piece one end embedding to set firmly hole.
14. according to claim 12 or 13 described axle envelopes, it is characterized in that: described locating piece is a pin rod.
15. according to claim 12 or 13 described axle envelopes, it is characterized in that: described locating piece is a bolt.
16. axle envelope according to claim 1, it is characterized in that: described axle sleeve has an axle sleeve end cap towards the processing procedure side, described axle sleeve end cap madial wall convexes with most drive blocks, and described inboard swivel becket is provided with most breach towards the described ora terminalis of described axle sleeve end cap, and described drive block is corresponding sets with each respectively for each breach;
Described outside swivel becket is provided with most notches on the described ora terminalis away from described outside rest ring, described axle envelope also includes one and is set on the described axle sleeve and is positioned at the end cap of the atmospheric side of described body, and described end cap convexes with most on the described end face near described outside swivel becket can stretch the joint that places each described notch;
Described retaining ring convexes with most convex jointing parts on the described end face of described outside rest ring, the inboard ring wall of described retaining ring is provided with most can stretch the conduit of putting for each described convex jointing part.
17. axle envelope according to claim 1, it is characterized in that: described axle sleeve has an axle sleeve end cap towards the processing procedure side, described axle sleeve end cap outer circumferential face is laid with at least one conveying blade at interval, and described conveying blade external form is an axially extended spiral channel.
18. axle envelope according to claim 1, it is characterized in that: described axle sleeve outer circumferential face is laid with at least one conveying blade at interval, and described conveying blade external form is an axially extended spiral channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102543228A CN102094972A (en) | 2009-12-09 | 2009-12-09 | Shaft gland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102543228A CN102094972A (en) | 2009-12-09 | 2009-12-09 | Shaft gland |
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| Publication Number | Publication Date |
|---|---|
| CN102094972A true CN102094972A (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102543228A Pending CN102094972A (en) | 2009-12-09 | 2009-12-09 | Shaft gland |
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| Country | Link |
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| CN (1) | CN102094972A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089020A (en) * | 2014-07-07 | 2014-10-08 | 上海创异流体机械有限公司 | Mechanical seal device with washing and cooling system |
| CN108799190A (en) * | 2017-04-28 | 2018-11-13 | 株式会社荏原制作所 | Gland seal device cover and pump |
| TWI761798B (en) * | 2019-07-09 | 2022-04-21 | 祥景精機股份有限公司 | Shaft seal device and installation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW424574U (en) * | 1999-11-30 | 2001-03-01 | Scenic Precise Element Inc | Seal device used for rotatory machine |
| US20040251633A1 (en) * | 2003-06-12 | 2004-12-16 | Cheng-Shiou Huang | Shaft sealing device having a positioning ring and a retaining ring thereof |
-
2009
- 2009-12-09 CN CN2009102543228A patent/CN102094972A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW424574U (en) * | 1999-11-30 | 2001-03-01 | Scenic Precise Element Inc | Seal device used for rotatory machine |
| US20040251633A1 (en) * | 2003-06-12 | 2004-12-16 | Cheng-Shiou Huang | Shaft sealing device having a positioning ring and a retaining ring thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089020A (en) * | 2014-07-07 | 2014-10-08 | 上海创异流体机械有限公司 | Mechanical seal device with washing and cooling system |
| CN108799190A (en) * | 2017-04-28 | 2018-11-13 | 株式会社荏原制作所 | Gland seal device cover and pump |
| TWI761798B (en) * | 2019-07-09 | 2022-04-21 | 祥景精機股份有限公司 | Shaft seal device and installation method thereof |
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Application publication date: 20110615 |