CN203189553U - Axis device capable of being centered automatically - Google Patents
Axis device capable of being centered automatically Download PDFInfo
- Publication number
- CN203189553U CN203189553U CN 201320139889 CN201320139889U CN203189553U CN 203189553 U CN203189553 U CN 203189553U CN 201320139889 CN201320139889 CN 201320139889 CN 201320139889 U CN201320139889 U CN 201320139889U CN 203189553 U CN203189553 U CN 203189553U
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- transmission shaft
- driven axle
- distance
- axis
- shaft
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Abstract
The utility model provides an axis device capable of being centered automatically. The axis device comprises a transmission shaft and a driven shaft. The transmission shaft has an axis and comprises a fixing end and a connecting end, the fixing end can be arranged on a first device, the connecting end serves as the other end of the fixing end, a plurality of tooth portions are annularly arranged on the outer side of the connecting end in the radial direction in an outward mode, and the tooth portion of the transmission shaft comprises a tooth top and a tooth root. The driven shaft is detachably arranged at the connecting end of the transmission shaft, the driven shaft has an axis and comprises a clamping-fixing end and a joint end, the clamping-fixing end can be arranged in a second device, the joint end serves as the other end of the clamping-fixing end, the joint end of the driven shaft is detachably arranged at the connecting end of the transmission shaft, a plurality of groove portions are annularly arranged in the inner side of the joint end in the radial direction in an inward mode, and the groove portion of the driven shaft comprises a groove top and a groove bottom.
Description
Technical field
The utility model refers to a kind of axis device that can proofread and correct the machine rotating center automatically especially relevant for a kind of axis device of the school heart automatically.
Background technique
The axle center is a kind of axle that can connect two different machines, the mechanical assembly that rotates together in transmission process.The predominant use in axle center is to connect two axles of rotating machinery respectively, as connecting motor with drive other machine.
General common axle center, its two ends include first group connecting part and second group connecting part, first group connecting part can connect first device, and second group connecting part can connect second device, using first device to drive second device is rotated, the axle center has a limiting stopper, and limiting stopper can be located at first device, in order to axle center and first device can be rotated synchronously.
But because the error when making or installing can cause the rotatingshaft of first device and second device can't be with online always, if when being installed between first device and second device with general axle center, with cause the axle center relative first the device or second the device in addition simultaneously to first the device and second the device rotatingshaft shape in an angle, will cause first device can't be smooth-going the axle center of passing through drive second device and rotate, can produce noise, wearing and tearing when causing the axle center to be rotated easily or because of problems such as friction are overheated.
And when user's desire dismounting axle center; usually can run into because be combined with machine for a long time in the axle center; and make whole axle center and machine block and can't dismantle smoothly; as actually directly to the axle center application of force; usually can cause the infringement of axle center even machine, the dismounting that the user is can't be smoothly intact with the axle center is the problem that must improve.
Be structure as a whole owing to the axle center again, when an end wherein wears away when impaired, just whole axle center must be changed, and the inconvenience that causes cost to increase and replace with, end owing to the axle center engages in order to install with first device and second again, the wear intensity of this end is the highest, but other axis part is all than not damaged, still need this moment whole axle center dismounting, axle center and first device are to drive with a limiting stopper, this can cause unbalance stress and structural intensity not good in the process of at a high speed rotation, is easy to generate desaxe and causes the problem of tolerance.Change, and the problem that causes cost to increase.
Because the problem of above-mentioned prior art can't effectively solve and overcome, so the inventor proposes present patent application, to solve problem point.
The model utility content
Defective at above-mentioned prior art existence, the technical problems to be solved in the utility model provides a kind of axis device of the school heart automatically, it has not only overcome when rotate in the axle center can produce noise, wear problems, when the dismounting axle center, separate with machine is intact easily in the axle center, and save replacement cost.
For solving the problems of the technologies described above, the utility model automatically the school heart axis device it comprise: a transmission shaft, this transmission shaft has a shaft axis, this transmission shaft includes a fixed end and a connecting end, this fixed end can be located on one first device, this connecting end is that this transmission shaft is in contrast to the other end of this fixed end, the lateral outer radial of this connecting end is equipped with several tooth portions, described tooth portion includes a tooth top and a tooth root, described tooth top forms a cylindrical according to the shaft axis of this transmission shaft, circle in described tooth root forms one according to the shaft axis of this transmission shaft, the interior circle of this transmission shaft is less than the cylindrical of this transmission shaft, described tooth portion also includes two flanks, described flank is between described tooth top and described tooth root, and described flank is positioned at the both sides of described tooth portion respectively along the circumferencial direction of this transmission shaft, the flank of described tooth portion both sides forms first distance near described tooth top one side each other along the circumferencial direction of transmission shaft, the flank of described tooth portion both sides forms a second distance near described tooth root one side each other along the circumferencial direction of transmission shaft, and this first distance is less than this second distance;
A driven axle, the connecting end of being located at this transmission shaft that this driven axle can be dismantled, this driven axle has a shaft axis, this driven axle includes a block end and a joint end, this block end can be located on one second device, this joint end is that this driven axle is in contrast to an end of this block end, the connecting end of being located at this transmission shaft that this joint end can be dismantled, the inboard inwardly radial ring of this joint end is provided with several slot parts, described slot part includes a groove top and a bottom land, circle in described groove top forms one according to the shaft axis of this driven axle, described bottom land forms a cylindrical according to the shaft axis of driven axle, the interior circle of this driven axle is less than the cylindrical of this driven axle, the cylindrical of this driven axle is greater than the cylindrical of transmission shaft, the cylindrical of this transmission shaft is greater than the interior circle of driven axle, the interior circle of this driven axle is greater than the interior circle of transmission shaft, described slot part also includes two groove abdomens, described groove abdomen is between described groove top and described bottom land, and described groove abdomen is positioned at the both sides of described slot part respectively along the circumferencial direction of this driven axle, the groove abdomen of described slot part both sides pushes up a side near described groove and forms the 3rd distance each other along the circumferencial direction of this driven axle, close described bottom land one side of the groove abdomen of described slot part both sides forms the 4th distance each other along the circumferencial direction of this driven axle, the 4th distance is less than the 3rd distance, this first distance is not more than the 4th distance, and this second distance is not more than the 3rd distance.
Wherein, the 4th distance is less than this second distance, and this first distance is less than the 4th distance, and this second distance is less than the 3rd distance.
Wherein, this connecting end is provided with a screw hole, and this screw hole can be provided with screw, and when this transmission shaft be difficult for to take out in first device, the user can knock or vibrates to make things convenient for the user that this transmission shaft is taken out this screw.
Wherein, this block end is provided with the bolt that can dismantle, and this bolt is located in this second device.
Wherein, this transmission shaft be provided with at least one make this transmission shaft and this first device in conjunction with and the clasp that can not deviate from easily.
Wherein, be provided with a stopping surface that can prevent that this transmission shaft from deviating from from this clasp between this fixed end and this connecting end.
Wherein, this transmission shaft is provided with several limiting stoppers, the outside that is positioned at transmission shaft that described several limiting stoppers are can be evenly stressed, and described limiting stopper is arranged in the restraining groove of first device, this transmission shaft and this first device rotation synchronously.
Wherein, be provided with an impeller between this joint end and this block end, this impeller can drive this second device.
Wherein, the end of described tooth portion and the end of described slot part all are provided with chamfering, the combination of can working in coordination of the chamfering of described tooth portion and the chamfering of described slot part.
Wherein, described flank is the involute shape along the cross section of vertical this transmission shaft axle center line direction, and described groove abdomen is the involute shape along the cross section of vertical this driven axle direction of axis line.
Wherein, this first device is motor, and this second device is pump.
The beneficial effects of the utility model are, the utility model is the connecting end of the axis device transmission shaft of the school heart and the formed gap of joint end of driven axle automatically, make this transmission shaft and this driven axle in rotating process, even the shaft axis of the shaft axis of transmission shaft and driven axle produces deviation not when same axle is online, still can allow transmission shaft rotate according to the shaft axis of transmission shaft, driven axle rotates according to the shaft axis of driven axle, and reach the effect of the automatic school heart, deviation when perhaps the shaft axis of the shaft axis of transmission shaft and driven axle is because of assembling or manufacturing causes innately being positioned at disalignment heart line, also can reach identical effect, having overcome the abrasion that the tolerance of first device between installing with second cause of success and produce the problem in noise and high temperature and minimizing assembly working life.Secondly, this automatically the connecting end of the axis device of the school heart be provided with a screw hole, screw hole can DRIVE SCREWS, and the user can use methods such as knocking screw or vibration screw that transmission shaft and first is installed intact the separation, this transmission shaft is taken out, the axle center that overcome of success is not easy intact problem of separating with machine again.At last, this automatically the axis device of the school heart be made as transmission shaft and driven axle two partly, when wherein a part of abrasion are impaired, can be single change, and do not need both are all changed, bolt be for can change the formula parts again, just can change whenever necessary and reaches good power and save cost when the user thinks.
Other purpose, advantage and novel characteristics of the present utility model will be more obvious from the following detailed description and related drawings.
Description of drawings
Fig. 1: for the utility model is equiped with first device and second stereo appearance figure that installs of the axis device of the school heart automatically.
Fig. 2: for the utility model is equiped with first device and second three-dimensional exploded view that installs of the axis device of the school heart automatically.
Fig. 3: first device and second of the axis device of the school heart installs the three-dimensional exploded view at another visual angle for the utility model is equiped with automatically.
Fig. 4: be the utility model partial sectional view of the axis device of the school heart automatically.
Fig. 5: be the partial enlarged drawing of the axis device of the school heart automatically of the utility model among Fig. 4.
Fig. 6: be the partial enlarged drawing of the axis device of the school heart automatically of the utility model among Fig. 5.
Fig. 7: be the utility model sectional view that 3-3 face line is got among Fig. 1 of the axis device of the school heart automatically.
Fig. 8: be the partial enlarged drawing of the axis device of the school heart automatically of the utility model among Fig. 7.
Fig. 9: be the utility model another partial enlarged drawing of the axis device of the school heart automatically.
Figure 10: be the utility model use phase diagram of the axis device of the school heart automatically.
Figure 11: be the utility model another use phase diagram of the axis device of the school heart automatically.
Figure 12: be the utility model axis device of the school heart one operation chart of taking out transmission shaft automatically.
Figure 13: be the utility model axis device of the school heart another operation chart of taking out transmission shaft automatically.
[primary component symbol description]
10 axis devices
20 transmission shafts, 21 tooth portions
211 tooth tops, 212 tooth roots
213 flanks, 214 chamferings
22 fixed ends, 221 chamferings
23 connecting ends, 231 screw holes
24 clasps, 25 stopping surfaces
251 limiting stoppers
30 driven axles, 31 slot parts
311 grooves push up 312 bottom lands
313 groove abdomens, 314 chamferings
32 block ends, 321 internal threads
33 joint ends, 34 bolts
341 outside threads
90 first devices, 901 fixed grooves
902 retaining ring grooves, 903 restraining grooves
91 screws, 92 second devices
921 bonnets, 93 impellers
The a gap
Circle in the C1 cylindrical C2
Circle C4 cylindrical in the C3
L1 first distance L 2 second distances
L3 the 3rd distance L 4 the 4th distance
X1 shaft axis X2 shaft axis.
Embodiment
The technology that relevant the utility model adopts, means and effect thereof, lift a preferred embodiment now and cooperate graphic detailed description as after, this only for the usefulness of explanation, is not subjected to the restriction of this kind structure in patent application.
Stereogram and three-dimensional exploded view referring to figs. 1 through Fig. 3, the utility model is the axis device of the school heart automatically, axis device 10 includes a transmission shaft 20 and a driven axle 30, driven axle 30 can be dismantled is located at transmission shaft 20, transmission shaft 20 has a shaft axis X1(and please refer to Figure 10), transmission shaft 20 is provided with several tooth portions 21.
Simultaneously with reference to Fig. 8, the tooth portion 21 of transmission shaft 20 includes a tooth top 211 and a tooth root 212, the tooth top 211 of transmission shaft 20 forms a cylindrical C1 according to the shaft axis X1 of this transmission shaft 20, circle C2 in the tooth root 212 of transmission shaft 20 forms one according to the shaft axis X1 of transmission shaft 20, the interior round C2 of this transmission shaft 20 is less than the cylindrical C1 of this transmission shaft 20.
Each tooth portion 21 of transmission shaft 20 has included two flanks 213, the flank 213 of transmission shaft 20 is between the tooth top 211 and tooth root 212 of tooth portion 21, and two flanks 213 of each tooth portion 21 of described transmission shaft 20 are positioned at the both sides of the tooth portion 21 of transmission shaft 20 respectively along the circumferencial direction of transmission shaft 20, and the flank 213 of transmission shaft 20 can be linearly along the cross section of vertical drive shaft 20 shaft axis X1 directions or the involute shape.Two flanks, 213 close tooth portion 21 tooth tops, 211 1 sides of described transmission shaft 20 form first distance L 1 each other along the circumferencial direction of transmission shaft 20, two flanks, 213 close tooth portion 21 tooth roots, 212 1 sides of described transmission shaft 20 form a second distance L2 each other along the circumferencial direction of transmission shaft 20, and first distance L 1 is less than second distance L2.
Driven axle 30 has a shaft axis X2(and please refer to Figure 10), driven axle 30 is provided with several slot parts 31, quantity is identical in the present embodiment with several tooth portions 21 of described transmission shaft 20 for several slot parts 31 of described driven axle 30, the slot part 31 of driven axle 30 includes the 311 and bottom lands 312 in a groove top, circle C3 in the groove of driven axle 30 top 311 forms one according to the shaft axis X2 of driven axle 30, the bottom land 312 of driven axle 30 forms a cylindrical C4 according to the shaft axis X2 of driven axle 30, the interior round C3 of this driven axle 30 is less than the cylindrical C4 of this driven axle 30, the cylindrical C4 of this driven axle 30 is greater than the cylindrical C1 of transmission shaft 20, the cylindrical C1 of this transmission shaft 20 is greater than the interior round C3 of driven axle 30, and the interior round C3 of this driven axle 30 is greater than the interior round C2 of transmission shaft 20.
Each slot part 31 of driven axle 30 has included two groove abdomens 313, the groove abdomen 313 of driven axle 30 is between the groove top 311 and bottom land 312 of slot part 31, and two groove abdomens 313 of each slot part 31 of described driven axle 30 are positioned at the both sides of the slot part 31 of driven axle 30 respectively along the circumferencial direction of driven axle 30, and the groove abdomen of driven axle 30 313 can be linearly along the cross section of vertical driven axle 30 shaft axis X2 directions or the involute shape.Two groove abdomens 313 of described driven axle 30 push up 311 1 sides near slot part 31 grooves and form the 3rd distance L 3 each other along the circumferencial direction of driven axle 30, two groove abdomens, 313 close slot part 31 bottom lands 312 1 sides of described driven axle 30 form the 4th distance L 4 each other along the circumferencial direction of driven axle 30, the 4th distance L 4 is less than the 3rd distance L 3, first distance L 1 is not more than the 4th distance L 4, first distance L 1 is less than the 4th distance L 4 in the present embodiment, second distance L2 is not more than the 3rd distance L 3, in the present embodiment second distance L2 less than the 3rd distance L 3, the four distance L 4 less than second distance L2.
When the shaft axis X2 of the shaft axis X1 of transmission shaft 20 and driven axle 30 is positioned at coaxial inner conductor, transmission shaft 20 and driven axle 30 form the gap a of a ring-type, this gap a makes this transmission shaft 20 and this driven axle 30 when rotating, even the shaft axis X2 of the shaft axis X1 of this transmission shaft 20 and driven axle 30 produces deviation not when same axle is online, still can allow transmission shaft 20 rotate according to the shaft axis X1 of transmission shaft 20, driven axle 30 rotates according to the shaft axis X2 of driven axle 30, and reach the effect of the automatic school heart, deviation when perhaps the shaft axis X2 of the shaft axis X1 of this transmission shaft 20 and driven axle 30 is because of assembling or manufacturing causes innately being positioned at disalignment heart line, also can reach identical effect.
Connecting end 23 is that transmission shaft 20 is in contrast to an end of fixed end 22; connecting end 23 lateral outer radials are equipped with tooth portion 21; the end ring of tooth portion 21 is provided with a chamfering 214(and please refer to Fig. 6); the end face central authorities of connecting end 23 are provided with a screw hole 231; screw hole 231 can be provided with screw 91(and please refer to Figure 12); screw 91 can be protected the connecting end 23 of transmission shaft 20; and can not make and knock or cause when vibrating connecting end 23 structure destroyed; the outside of connecting end 23 is provided with a clasp 24; the clasp 24 of present embodiment is C font clasp; this clasp 24 is located at connecting end 23; first device, 90 retaining ring groove 902 is located in these clasp 24 outsides, and this clasp 24 can make transmission shaft 20 and first install 90 and do axial combination and can not deviate from easily.
Be provided with the stopping surface 25 of a step shape between fixed end 22 and the connecting end 23, stopping surface 25 and this clasp 24 are against each other, stopping surface 25 outward radials convex with several limiting stoppers 251, present embodiment is two limiting stoppers 251, limiting stopper 251 is one-body molded by transmission shaft 20, the outside that this limiting stopper 251 is evenly distributed in stopping surface 25 makes can be evenly stressed when transmission shaft 20 contacts with first device 90, this limiting stopper 251 is placed in the restraining groove 903 of first device 90, and makes transmission shaft 20 and first device 90 to rotate synchronously.
The connecting end of being located at transmission shaft 20 23 that one end of driven axle 30 can be dismantled, driven axle 30 is located in second device 92, and second device 92 of present embodiment is pump, and driven axle 30 is made by metal material, driven axle 30 in a tubular form, driven axle 30 includes a block end 32 and a joint end 33.
The inboard of block end 32 is provided with an internal thread 321, the end of block end 32 is provided with a bolt 34, one end of this bolt 34 is provided with an outside thread 341, the outside thread 341 of bolt 34 can be worked in coordination with the internal thread 321 of block end 32 and be made up, and make that bolt 34 can dismantle be located at block end 32, the end in contrast to this outside thread 341 of this bolt 34 supports bonnet 921 central authorities that are located at second device 92.
Convex annular is provided with impeller 93 between joint end 33 and the block end 32, and impeller 93 can rotate synchronously with driven axle 30 and second device 92 is driven.
While is with reference to sectional view and the partial enlarged drawing of Fig. 4 to Fig. 6, when first device 90 starts, because clasp 24 is resisted against stopping surface 25 and is fixedly arranged in the retaining ring groove 902, therefore transmission shaft 20 can axially not deviate from first device 90, several limiting stoppers 251 of transmission shaft 20 are placed in the restraining groove 903 of first device 90 again, several limiting stoppers 251 that first device 90 can drive in the restraining groove 903 when rotating uniformly rotate, so transmission shaft 20 can be driven synchronously when first device 90 rotates and rotate.
While is with reference to sectional view and the partial enlarged drawing of Fig. 7 and Fig. 8, when transmission shaft 20 rotates, the tooth portion 21 of the connecting end 23 of transmission shaft 20 can drive the slot part 31 of the joint end 33 of driven axle 30, driven axle 30 make the joint end 33 of driven axle 30 and the connecting end 23 of transmission shaft 20 rotate synchronously, so can rotate synchronously with transmission shaft 20.
The bolt 34 of driven axle 30 supports bonnet 921 central authorities that are located at second device 92 again, so can relatively rotate second device 92 when driven axle 30 rotations, makes 93 pairs second devices 92 of impeller of driven axle 30 drive.
While is with reference to the partial enlarged drawing of Fig. 9 to Figure 11, the shaft axis X2 of the shaft axis X1 of first device 90 and second device 92 is difficult to coincide with fully same axle in actual assembled, when transmission shaft 20 rotates with driven axle 30, this gap a makes this transmission shaft 20 and this driven axle 30 when rotating, can allow transmission shaft 20 rotate according to the shaft axis X1 of transmission shaft 20, driven axle 30 rotates according to the shaft axis X2 of driven axle 30, and reach the effect of the automatic school heart, and can not cause the abrasion damage of first device, 90 and second device 92 because of the tolerance of two between centers.
While is with reference to the use phase diagram of Figure 12 and Figure 13, when user's desire is changed transmission shaft 20, transmission shaft 20 might be because being difficult for taking out in conjunction with rotating with first device 90 for a long time, earlier disassemble clasp 24 this moment, make transmission shaft 20 and first device 90 not make axial restraint, again screw 91 screwed in the screw hole 231 of connecting end 23 that utilization is knocked or the mode of vibrating is carried out the application of force to screw 91, allow transmission shaft 20 get loose because of stressed, can transmission shaft 20 be taken out enough hands.
Can the utlity model has following advantage to summarize with regard to the above:
1. the utility model axis device of the school heart automatically, it comprises a transmission shaft and a driven axle, transmission shaft has a shaft axis, transmission shaft includes a fixed end and a connecting end, fixed end can be located on one first device, connecting end is the other end of transmission shaft, connecting end lateral outer radial is equipped with several tooth portions, the tooth portion of transmission shaft includes a tooth top and a tooth root, the tooth top of transmission shaft forms a cylindrical according to the shaft axis of this transmission shaft, circle in the tooth root of transmission shaft forms one according to the shaft axis of transmission shaft, the interior circle of transmission shaft is less than the cylindrical of this transmission shaft; The connecting end of being located at transmission shaft that driven axle can be dismantled, driven axle has a shaft axis, driven axle includes a block end and a joint end, block end can be located in one second device, joint end is the other end of driven axle, the connecting end of being located at transmission shaft that the joint end of driven axle can be dismantled, the inboard inwardly radial ring of joint end is provided with several slot parts, the slot part of driven axle includes a groove top and a bottom land, circle in the groove of driven axle top forms one according to the shaft axis of driven axle, the bottom land of driven axle forms a cylindrical according to the shaft axis of driven axle, and the interior circle of driven axle is less than the cylindrical of driven axle; The cylindrical of driven axle is greater than the cylindrical of transmission shaft, and the cylindrical of transmission shaft is greater than the interior circle of driven axle, and the interior circle of driven axle is greater than the interior circle of transmission shaft; Main purpose is, axis device is made as transmission shaft and driven axle two parts, partly be provided with tooth portion and slot part two respectively again, when the shaft axis of the shaft axis of transmission shaft and driven axle is positioned at coaxial inner conductor, the connecting end of transmission shaft and the joint end of driven axle form the gap of a ring-type, the gap makes this transmission shaft and this driven axle in rotating process, even the shaft axis of the shaft axis of transmission shaft and driven axle produces deviation not when same axle is online, still can allow transmission shaft rotate according to the shaft axis of transmission shaft, driven axle rotates according to the shaft axis of driven axle, and reach the effect of the automatic school heart, deviation when perhaps the shaft axis of the shaft axis of transmission shaft and driven axle is because of assembling or manufacturing causes innately being positioned at disalignment heart line, also can reach identical effect, having overcome the abrasion that the tolerance of first device between installing with second cause of success and produce the problem in noise and high temperature and minimizing assembly working life.
2. the utility model axis device of the school heart automatically, secondary objective is, connecting end is provided with a screw hole, screw hole can DRIVE SCREWS, and the user can use methods such as knocking screw or vibration screw that transmission shaft and first is installed intact the separation, again this transmission shaft is taken out, successful solution the axle center be not easy intact problem of separating with machine.
3. the utility model axis device of the school heart automatically, another purpose is, axis device is made as transmission shaft and driven axle two parts, when wherein a part of abrasion are impaired, can be single change, and do not need both are all changed, bolt be for can change the formula parts again, just can change whenever necessary and reaches good power and save cost when the user thinks.
4. the utility model axis device of the school heart automatically, another purpose is that transmission shaft is provided with several limiting stoppers, and limiting stopper is evenly distributed on the transmission shaft, limiting stopper and transmission shaft are formed as one and can reduce cost and strengthen structural strength, and can't produce tolerance because of skew.
Claims (11)
1. axis device of the school heart automatically is characterized in that it includes:
A transmission shaft, this transmission shaft has a shaft axis, this transmission shaft includes a fixed end and a connecting end, this fixed end can be located on one first device, this connecting end is that this transmission shaft is in contrast to the other end of this fixed end, the lateral outer radial of this connecting end is equipped with several tooth portions, described tooth portion includes a tooth top and a tooth root, described tooth top forms a cylindrical according to the shaft axis of this transmission shaft, circle in described tooth root forms one according to the shaft axis of this transmission shaft, the interior circle of this transmission shaft is less than the cylindrical of this transmission shaft, described tooth portion also includes two flanks, described flank is between described tooth top and described tooth root, and described flank is positioned at the both sides of described tooth portion respectively along the circumferencial direction of this transmission shaft, the flank of described tooth portion both sides forms first distance near described tooth top one side each other along the circumferencial direction of transmission shaft, the flank of described tooth portion both sides forms a second distance near described tooth root one side each other along the circumferencial direction of transmission shaft, and this first distance is less than this second distance;
A driven axle, the connecting end of being located at this transmission shaft that this driven axle can be dismantled, this driven axle has a shaft axis, this driven axle includes a block end and a joint end, this block end can be located on one second device, this joint end is that this driven axle is in contrast to an end of this block end, the connecting end of being located at this transmission shaft that this joint end can be dismantled, the inboard inwardly radial ring of this joint end is provided with several slot parts, described slot part includes a groove top and a bottom land, circle in described groove top forms one according to the shaft axis of this driven axle, described bottom land forms a cylindrical according to the shaft axis of driven axle, the interior circle of this driven axle is less than the cylindrical of this driven axle, the cylindrical of this driven axle is greater than the cylindrical of transmission shaft, the cylindrical of this transmission shaft is greater than the interior circle of driven axle, the interior circle of this driven axle is greater than the interior circle of transmission shaft, described slot part also includes two groove abdomens, described groove abdomen is between described groove top and described bottom land, and described groove abdomen is positioned at the both sides of described slot part respectively along the circumferencial direction of this driven axle, the groove abdomen of described slot part both sides pushes up a side near described groove and forms the 3rd distance each other along the circumferencial direction of this driven axle, close described bottom land one side of the groove abdomen of described slot part both sides forms the 4th distance each other along the circumferencial direction of this driven axle, the 4th distance is less than the 3rd distance, this first distance is not more than the 4th distance, and this second distance is not more than the 3rd distance.
2. the axis device of the school heart automatically as claimed in claim 1 is characterized in that, the 4th distance is less than this second distance, and this first distance is less than the 4th distance, and this second distance is less than the 3rd distance.
3. the axis device of the school heart automatically as claimed in claim 2, it is characterized in that, this connecting end is provided with a screw hole, this screw hole can be provided with screw, when this transmission shaft be difficult for to take out in first device, the user can knock or vibrates to make things convenient for the user that this transmission shaft is taken out this screw.
4. the axis device of the school heart automatically as claimed in claim 2 is characterized in that, this block end is provided with the bolt that can dismantle, and this bolt is located in this second device.
5. the axis device of the school heart automatically as claimed in claim 2 is characterized in that, this transmission shaft be provided with at least one make this transmission shaft and this first device in conjunction with and the clasp that can not deviate from easily.
6. the axis device of the school heart automatically as claimed in claim 5 is characterized in that, is provided with a stopping surface that can prevent that this transmission shaft from deviating from from this clasp between this fixed end and this connecting end.
7. the axis device of the school heart automatically as claimed in claim 2, it is characterized in that, this transmission shaft is provided with several limiting stoppers, the outside that is positioned at transmission shaft that described several limiting stoppers are can be evenly stressed, described limiting stopper is arranged in the restraining groove of first device, and this transmission shaft and this first device rotate synchronously.
8. the axis device of the school heart automatically as claimed in claim 2 is characterized in that, is provided with an impeller between this joint end and this block end, and this impeller can drive this second device.
9. the axis device of the school heart automatically as claimed in claim 2 is characterized in that, the end of described tooth portion and the end of described slot part all are provided with chamfering, the combination of can working in coordination of the chamfering of described tooth portion and the chamfering of described slot part.
10. as each described axis device of the school heart automatically in the claim 2 to 9, it is characterized in that, described flank is the involute shape along the cross section of vertical this transmission shaft axle center line direction, and described groove abdomen is the involute shape along the cross section of vertical this driven axle direction of axis line.
11. the axis device of the school heart automatically as claimed in claim 1 is characterized in that, this first device is motor, and this second device is pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320139889 CN203189553U (en) | 2013-03-26 | 2013-03-26 | Axis device capable of being centered automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320139889 CN203189553U (en) | 2013-03-26 | 2013-03-26 | Axis device capable of being centered automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189553U true CN203189553U (en) | 2013-09-11 |
Family
ID=49106414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320139889 Expired - Lifetime CN203189553U (en) | 2013-03-26 | 2013-03-26 | Axis device capable of being centered automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189553U (en) |
-
2013
- 2013-03-26 CN CN 201320139889 patent/CN203189553U/en not_active Expired - Lifetime
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Granted publication date: 20130911 |