CN204128471U - Axial gap measuring device - Google Patents
Axial gap measuring device Download PDFInfo
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- CN204128471U CN204128471U CN201420627863.7U CN201420627863U CN204128471U CN 204128471 U CN204128471 U CN 204128471U CN 201420627863 U CN201420627863 U CN 201420627863U CN 204128471 U CN204128471 U CN 204128471U
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- bulges
- expanding reach
- sleeve
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Abstract
The utility model relate to a kind of axial gap measuring device, comprising: sleeve and the rotating shaft that can be arranged on actively vertically in sleeve, and rotating shaft has the thread segment being configured in its first end region, and is configured in the expanding reach in its second end region; Sleeve comprises can the link that coordinate movable with thread segment, and surrounds the end that bulges of expanding reach; The maximum outside diameter of expanding reach is greater than the minimum diameter of the end that bulges, and the outer wall energy of expanding reach and the inwall held of bulging extrude mutually and the end that makes to bulge bulges.Use this axial gap measuring device can detect more accurately the end play between the housing of differential mechanism and the support conical gear of differential mechanism inside, convenient and fast.
Description
Technical field
The utility model relates to a kind of distance-measuring device, particularly a kind of axial gap measuring device.
Background technology
In the differential mechanism of automobile, the suitable size of the end play between straight bevel gear and differential casing can ensure that the gap between meshed gears is suitable for, thus can ensure that operational process is smooth, weares and teares little, noise is little, and then ensure that the high life of differential mechanism.
In the prior art, measure the size of the end play between straight bevel gear and differential casing, be typically employed in gap the method for putting pad.The size of the end play between straight bevel gear and differential casing can be obtained by measuring the height putting into the pad in gap.This measuring method operating difficulties, and there is certain thickness due to pad, therefore when gap is less, pad just cannot insert, thus causes measuring error large, and measuring accuracy is poor.This makes the cooperation between gear not produce a desired effect, and gear wear is comparatively serious, thus highly shortened the serviceable life of differential mechanism.
Therefore, a kind of measurement mechanism accurately can measuring the size of the end play between straight bevel gear and differential casing is needed.
Utility model content
For the problems referred to above, the utility model proposes a kind of axial gap measuring device, use this axial gap measuring device accurately can measure the size of the end play between straight bevel gear and differential casing.
According to the utility model, propose a kind of axial gap measuring device, comprising: sleeve and the rotating shaft that can be arranged on actively vertically in sleeve, rotating shaft has the thread segment being configured in its first end region, and is configured in the expanding reach in its second end region; Sleeve comprises can the link that coordinate movable with thread segment, and surrounds the end that bulges of expanding reach; The maximum outside diameter of expanding reach is greater than the minimum diameter of the end that bulges, and the outer wall energy of expanding reach and the inwall held of bulging extrude mutually and the end that makes to bulge bulges.
Axial gap measuring device is extend in differential mechanism, the end that bulges of sleeve is inserted in the endoporus of straight bevel gear.By rotating rotating shaft in sleeve, due to the relative displacement that the effect of screw thread occurs axially between sleeve and rotating shaft, thus make the expanding reach of rotating shaft and sleeve bulge hold between there is axial relative displacement.Maximum gauge due to expanding reach is greater than the minimum diameter of the end that bulges, this makes in the rotary course of rotating shaft, the outer wall energy of expanding reach extrudes even mutually with the contact internal walls held that bulges, thus the end extended section of crimp and outwardly that bulges of sleeve can be made, until the end that bulges of sleeve contacts with the spline path place of straight bevel gear endoporus, and zero-clearance coordinates.Now differential mechanism pulls axial gap measuring device dorsad vertically, can pull the straight bevel gear holding zero-clearance to coordinate that bulges with sleeve, and pull straight bevel gear until straight bevel gear contacts with the housing of differential mechanism.Measure the end play that this segment distance can obtain the housing of straight bevel gear and differential mechanism.Compared with prior art, the distance pulled axial gap measuring device is carried out measurement and can directly be measured by hand dipping or preferably by dial gauge, make the precision of measurement higher, thus more accurately can obtain the size of the end play between straight bevel gear and the housing of differential mechanism.In addition, use axial gap measuring device to carry out measuring without the need to putting into pad in differential mechanism, thus make measuring process more easy, speed is fast.
In one embodiment, the end that bulges comprises multiple bar groove arranged vertically, and the part that bulges is become multiple separate card base bulged by multiple grooves.Compared to the end that bulges of tubular, card base more easily protrudes, and does not need to carry out too much control to the material of the end that bulges.And due to mutual extruding can not be produced between card base and card base, therefore the protrusion of card base is more free, thus card base can contact with the spline path place of straight bevel gear better, and zero-clearance coordinates, even if be also like this when card base and spline do not have complete matching.
In one embodiment, the root in the portion of bulging is provided with ring groove, bar groove extends to ring groove place.Ring groove be arranged so that the intensity of the root of card base is less, thus make card base more easily protrude when the extruding of expanding reach being subject to rotating shaft and contact with the spline path place of straight bevel gear.This makes card base can closely contact with spline path place on the one hand, makes user can use the power of less rotating shaft on the other hand, sleeve and gear can be made to combine closely.
In one embodiment, the root of bar groove is provided with the through hole that diameter is greater than the width of bar groove.The setting of through hole further reduces the intensity of the root of card base, thus has further facilitated card base and contact with the spline path place of straight bevel gear.In addition, add first process through hole man-hour can the position of positioning strip groove better, and make the processing of bar groove convenient, thus ensure that the machining precision of axial gap measuring device, and then ensure that the degree of accuracy of the end play recorded.
In one embodiment, bulge end inwall diameter vertically dorsad the direction of link increase progressively.The diameter of the outer wall of expanding reach vertically dorsad the direction of thread segment increase progressively.The outer wall of expanding reach has identical degree of tilt with the inwall held that bulges.The inwall of the end that bulges tilted with equal angular and the outer wall of expanding reach make the outer wall of the expanding reach of rotating shaft can in large area with the contact internal walls held that bulges of sleeve, and evenly extrude, thus make to bulge end can be evenly outwardly, and the support of the expanding reach of rotating shaft can be obtained, prevent the unexpected distortion of end generation that bulges, and then ensure that the outer wall energy of the end that bulges coordinates with the spline path place zero-clearance of straight bevel gear.
In one embodiment, be also provided with at the link place of sleeve the handle extended radially outward.Handle is that paired, paired handle is symmetricly set in the circumferential side wall of link.Arranging of handle makes user more steadily also can mention axial gap measuring device easily, thus can prevent the generation of disturbance, and then makes the measurement of end play more accurate.In addition, two handles be symmetrical arranged the use being more convenient for user, more quick with seasonal measuring process.
In one embodiment, rotating shaft also comprises from the thread segment gripping section that extends to form of expanding reach dorsad, and gripping section circumferentially sidewall symmetry formula is provided with the clamping plane for clamping device contact.The clamping device such as spanner or pliers can be clipped in and accommodate in plane by user, and by rotating clamping device and rotating shaft, thus the power that rotating shaft is used is less, rotates convenient, and then the easy further measuring process of end play.
Compared with prior art, the utility model has the advantage of: (1) bulges because the maximum gauge of expanding reach is greater than the minimum diameter of end, this makes in the rotary course of rotating shaft, the outer wall energy of expanding reach extrudes even mutually with the contact internal walls held that bulges, thus the end extended section of crimp and outwardly that bulges of sleeve can be made, until the end that bulges of sleeve contacts with the spline path place of straight bevel gear endoporus, and zero-clearance coordinates.(2) now vertically dorsad differential mechanism pull axial gap measuring device, the straight bevel gear holding zero-clearance to coordinate that bulges with sleeve can be pulled, and pull straight bevel gear until straight bevel gear contacts with the housing of differential mechanism.Measure the end play that this segment distance can obtain the housing of straight bevel gear and differential mechanism.(3) compared with prior art, the distance pulled axial gap measuring device is carried out measurement and can directly be measured by hand dipping or preferably by dial gauge, make the precision of measurement higher, thus more accurately can obtain the size of the end play between straight bevel gear and the housing of differential mechanism.(4) use axial gap measuring device to carry out measuring without the need to putting into pad in differential mechanism, thus make measuring process more easy, speed is fast.
Accompanying drawing explanation
Also will be described in more detail the utility model with reference to accompanying drawing based on embodiment hereinafter.Wherein:
Fig. 1 is the set-up mode schematic diagram according to axial gap measuring device of the present utility model.
Fig. 2 is the one-piece construction schematic diagram according to sleeve of the present utility model.
Fig. 3 is the sectional view of sleeve along cutting line A-A of Fig. 2.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to the scale of reality.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 show schematically show axial gap measuring device of the present utility model put into differential mechanism after schematic diagram.
Axial gap measuring device comprises: the rotating shaft 12 with the thread segment 21 being configured in its first end region and the expanding reach 22 being configured in its second end region; Hold the sleeve 13 of rotating shaft 12, sleeve 13 comprises can the link 31 that coordinate movable with thread segment 21, and surrounds the end 32 that bulges of expanding reach 22; The maximum outside diameter of expanding reach 22 is greater than the minimum diameter of the end 32 that bulges.Here should be appreciated that, thread segment 21 be preferably threaded movable cooperation of link 31.
Axial gap measuring device is extend in differential mechanism, the end 32 that bulges of sleeve 13 is inserted in the endoporus of straight bevel gear 5.Rotate rotating shaft 12 in sleeve 13, due to the relative displacement that the effect of screw thread occurs axially between sleeve 13 and rotating shaft 12, thus make the expanding reach 22 of rotating shaft 12 and bulging between end 32 of sleeve 13 that axial relative displacement occur.Maximum gauge due to expanding reach 22 is greater than the minimum diameter of the end 32 that bulges, this makes in the rotary course of rotating shaft 12, the outer wall energy of expanding reach 22 extrudes even mutually with the contact internal walls of the end 32 that bulges, thus end 32 extended section of 22 crimps and outwardly of bulging of sleeve 13 can be made, until the end 32 that bulges of sleeve 13 contacts with the spline path place of straight bevel gear 5 endoporus, and zero-clearance coordinates.Now differential mechanism pulls axial gap measuring device dorsad vertically, can pull the straight bevel gear 5 coordinated with end 32 zero-clearance that bulges of sleeve 13, and pull straight bevel gear 5 until straight bevel gear 5 contacts with the housing 6 of differential mechanism.Measure the end play that this segment distance can obtain the housing 6 of straight bevel gear 5 and differential mechanism.Compared with prior art, the distance pulled axial gap measuring device is carried out measurement and can directly be measured by hand dipping or preferably by dial gauge, make the precision measured higher, thus the size of end play between the housing 6 that more accurately can obtain straight bevel gear 5 and differential mechanism.
In the present embodiment as shown in Figure 1, rotating shaft 12 makes rotating shaft move upward, thus makes expanding reach 22 relative to the end 32 that bulges and move upward, and extruding bulges end 32, and to make to bulge, end 32 outwards bulges.
Fig. 2 and Fig. 3 show schematically show the structure of sleeve 13.
The end 32 that bulges comprises multiple bar groove 321 arranged vertically, between adjacent bar groove 321, form card base 322, and multiple card base 322 can bulge independently of each other.Compared to the end 32 that bulges of tubular, card base 322 more easily protrudes, and does not need to carry out too much control to the material of the end 32 that bulges.And due to mutual extruding can not be produced between card base and card base, therefore the protrusion of card base 322 is more free, thus card base 322 can contact with the spline path place of straight bevel gear 5 better, and zero-clearance coordinates, even if be also like this when card base and spline do not have complete matching.
Here should be appreciated that, the quantity of bar groove (card base) can be arranged according to the quantity of the spline of the endoporus of straight bevel gear and size, thus makes card base be easier to coordinate with spline zero-clearance.
The root place of the end 32 that bulges is provided with ring groove 33.The setting of ring groove 33 reduces the intensity of card base root, thus makes card base more easily protrude when the extruding of expanding reach being subject to rotating shaft and contact with the spline path place of straight bevel gear, and zero-clearance cooperation.This makes card base can closely contact with spline on the one hand, makes user can use the power of less rotating shaft on the other hand, sleeve and gear can be made to combine closely.
The through hole 323 that diameter is greater than the width of bar groove 321 is also provided with at the root place of bar groove 321.The setting of through hole 323 further reduces the intensity of the root of card base 322, thus has further facilitated card base 322 and be embedded in the spline of straight bevel gear endoporus.In addition, add first process through hole man-hour can the position of positioning strip groove 321 better, and make the processing of bar groove 321 convenient, thus ensure that the machining precision of axial gap measuring device, and then ensure that the degree of accuracy of the end play recorded.
Bulge end 32 inwall diameter vertically dorsad the direction of link 31 increase progressively.The diameter of the outer wall of expanding reach 22 vertically dorsad the direction of thread segment 21 increase progressively.The outer wall of expanding reach 22 has identical degree of tilt with the inwall of the end 32 that bulges.This degree of tilt is preferably 4 degree to 30 degree, and more preferably 6 degree.This make the outer wall energy of the expanding reach of rotating shaft as far as possible in large area with the contact internal walls held that bulges of sleeve, and evenly extrude, thus make to bulge end 32 can be evenly outwardly when obtaining effective support of expanding reach 22, thus prevent the end 32 that bulges that unexpected distortion occurs, and then ensure that the outer wall energy of the end 32 that bulges coordinates with the spline zero-clearance of the endoporus of straight bevel gear.
The handle 14 extended radially outward also is provided with at link 31 place of sleeve 13.Handle is preferably symmetrical arranged in pairs.This makes user more steadily also can mention axial gap measuring device easily, thus can prevent the generation of disturbance, and then makes the measurement of end play more accurate.In addition, two handles be symmetrical arranged the use being more convenient for user, more quick with seasonal measuring process.
Rotating shaft 12 also comprises gripping section 23, gripping section 23 be configured to from thread segment 21 dorsad expanding reach 22 extend, gripping section 23 circumferentially sidewall symmetry formula be provided with for clamping device contact two clamping planes.The clamping device such as spanner or pliers can be clipped in and accommodate in plane by user, and by rotating clamping device and rotating shaft, thus the power that rotating shaft is used is less, rotates convenient, and then the easy further measuring process of end play.
Here preferably by dial gauge 4, the sleeve coordinated with straight bevel gear zero-clearance can differential mechanism pulls dorsad distance be measured.Concrete grammar is: after sleeve coordinates with straight bevel gear zero-clearance, the gauge outfit of dial gauge 4 and rotating shaft 12 tip contact, and returns to zero.Grasp handle 14 upwards to carry, between the housing 6 of straight bevel gear 5 and differential mechanism, end play can read on dial gauge 4.By using this measurement mechanism can comparatively accurately and measure end play quickly and easily.
Although be described the utility model with reference to preferred embodiment, when not departing from scope of the present utility model, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristic mentioned in each embodiment all can combine in any way.The utility model is not limited to specific embodiment disclosed in literary composition, but comprises all technical schemes fallen in the scope of claim.
Claims (10)
1. an axial gap measuring device, is characterized in that, comprising:
Sleeve and the rotating shaft that can be arranged on actively vertically in described sleeve,
Described rotating shaft has the thread segment being configured in its first end region, and is configured in the expanding reach in its second end region;
Described sleeve comprises can the link that coordinate movable with described thread segment, and surrounds the end that bulges of described expanding reach;
Bulge described in the maximum outside diameter of described expanding reach is greater than the minimum diameter of end, and the outer wall energy of described expanding reach and the described inwall held of bulging extrude mutually and the end that bulges described in making bulges.
2. measurement mechanism according to claim 1, is characterized in that, described in bulge end comprise multiple bar groove arranged vertically, the part that bulges is become multiple separate card base bulged by multiple described bar groove.
3. measurement mechanism according to claim 2, is characterized in that, the root in the described portion that bulges is provided with ring groove, and described bar groove extends to described ring groove place.
4. measurement mechanism according to claim 3, is characterized in that, the root of described bar groove is provided with the through hole that diameter is greater than the width of described bar groove.
5. the measurement mechanism according to any one of claim 1 to 4, is characterized in that, described in bulge end inwall diameter vertically dorsad the direction of described link increase progressively.
6. measurement mechanism according to claim 5, is characterized in that, the diameter of the outer wall of described expanding reach vertically dorsad the direction of described thread segment increase progressively.
7. measurement mechanism according to claim 6, is characterized in that, the outer wall of described expanding reach has identical degree of tilt with the described inwall held that bulges.
8. measurement mechanism according to claim 1, is characterized in that, is also provided with at the link place of described sleeve the handle extended radially outward.
9. measurement mechanism according to claim 8, is characterized in that, described handle is paired, and paired described handle is symmetricly set in the circumferential side wall of described link.
10. measurement mechanism according to claim 1, is characterized in that, described rotating shaft also comprises from the described thread segment gripping section that extends to form of described expanding reach dorsad, and described gripping section circumferentially sidewall symmetry formula is provided with the clamping plane for clamping device contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627863.7U CN204128471U (en) | 2014-10-27 | 2014-10-27 | Axial gap measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627863.7U CN204128471U (en) | 2014-10-27 | 2014-10-27 | Axial gap measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204128471U true CN204128471U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420627863.7U Active CN204128471U (en) | 2014-10-27 | 2014-10-27 | Axial gap measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204128471U (en) |
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2014
- 2014-10-27 CN CN201420627863.7U patent/CN204128471U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |