CN205173258U - Locking locking structure - Google Patents
Locking locking structure Download PDFInfo
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- CN205173258U CN205173258U CN201520941165.9U CN201520941165U CN205173258U CN 205173258 U CN205173258 U CN 205173258U CN 201520941165 U CN201520941165 U CN 201520941165U CN 205173258 U CN205173258 U CN 205173258U
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- locking
- stop
- transmission shaft
- locking element
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Abstract
The utility model discloses a locking locking structure, including the transmission shaft, the transmission shaft has the backstop flange of evagination, and the transmission shaft facial make -up is equipped with to be waited to lock parts and will wait to lock parts and lock in the epaxial locking parts of transmission, the both sides of waiting to lock parts respectively with backstop flange and locking parts to leaning on, the locking part including the part imbed in the transmission shaft and with wait to lock the part support the stop part that leans on and with transmission shaft threaded connection and with stop part interference fit's retaining member. The utility model discloses a locking locking structure compares with traditional locking structure, because the locking part only includes simple structure's stop part and retaining member, so reduced the quantity of part, has greatly reduced the processing degree of difficulty of locking part and time, the material resources cost of processing locking part, the locking part in current locking structure was compared to volume and the weight of locking the part simultaneously volume and weight have had obvious reduction, for the contribution of reforming out that subtracts of engine.
Description
Technical field
The utility model relates to aeroengine field, especially, relates to a kind of Stop-motion lock locking structure.
Background technique
Accessory drive gear case is the critical component of aeroengine, and its Transmitted chains is the rotor element of high speed rotating, transmission shaft often needs the component such as locking bearing, spacer, annex to reach the object of stop.Generally speaking, axially locating is the shaft shoulder location of one end transmission shaft, the other end locking stopping device locking.For the rotor element of High Rotation Speed, stop locking can be realized reliably, very important, require that the weight of product is little as much as possible as aeronautical product simultaneously.
Existing locking device is made up of at least three parts, and the structure wherein reaching locking stop is equivalent to inside and outside spline stop, processes complex, and axial dimension is large, and weight is also large; Simultaneously because the draw-in groove on axle and spacing draw-in groove exist angle relation, locking function be realized, must point-device control screw-down torque.
Model utility content
The utility model provides a kind of Stop-motion lock locking structure, to solve the large and technical problem that weight is large of processed complex that locking device in existing Stop-motion lock locking structure exists, axial dimension.
The technical solution adopted in the utility model is as follows:
A kind of Stop-motion lock locking structure, comprise transmission shaft, transmission shaft has the stop lug of evagination, and on transmission shaft, installing needs locking member and will treat that locking member lock onto the locking member on transmission shaft, the both sides for the treatment of locking member respectively with stop lug and locking member against; Locking member comprise be partially submerged in transmission shaft and with treat locking member against stop member and be threaded with transmission shaft and with the locking element of stop member interference fit.
Further, the periphery wall of transmission shaft is processed with the draw-in groove extended along its axial direction; Stop member ringwise, its inner ring surface contacted with transmission shaft be provided with evagination for embedding the projection in draw-in groove.
Further, the quantity of draw-in groove is two, and two clamp bar slots are symmetrically arranged on transmission shaft; Protruding quantity is two, and two projections are corresponding with two clamp bar slots respectively to be arranged.
Further, projection and two joints of the inner ring surface of stop member are respectively provided with the groove of indent.
Further, stop member is provided with for be coated and locked part and deformation under external force towards the end face of locking element with the locking flange of clamping lock gripping members; Locking flange is hollow tubular, and locking element is positioned at locking flange.
Further, ringwise, which is provided with the breach for embedding after locking flange deformation, breach is positioned at the outer ring surface of locking element and the jointing place of end face to locking element.
Further, the quantity of breach is two, and two breach are arranged along the axisymmetrical of locking element.
Further, the outer ring surface of locking element is also provided with bayonet socket, bayonet socket along locking element Axis Extension and run through two end faces of locking element.
Further, the quantity of bayonet socket is four, and four bayonet sockets are arranged along the axis uniform intervals of locking element.
Further, transmission shaft is processed with outside thread, draw-in groove passes perpendicularly through outside thread; The inner ring surface contacted with transmission shaft of locking element is provided with the internal thread matched with outside thread.
The utility model has following beneficial effect:
In locking member of the present utility model, stop member is used for backstop and treats locking member, locking element is threaded with transmission shaft and fixes with the stop member be partially submerged in transmission shaft, thus locking member of the present utility model not only can be fixed on transmission shaft and can not along drive axis under the effect of external force, thus in Stop-motion lock locking structure of the present utility model, can will treat that locking member lock onto between stop lug and locking member by the locking effect of locking member;
Stop-motion lock locking structure of the present utility model is compared with traditional locking mechanism, because locking member only comprises the simple stop member of structure and locking element, so decrease the quantity of part, significantly reduce the difficulty of processing of locking member, and process time, the material resources cost of locking member; Simultaneously the volume and weight of locking member has had obvious minimizing, for the loss of weight of motor contributes compared to the volume and weight of the locking member in existing locking mechanism.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the Stop-motion lock locking structure of the utility model preferred embodiment;
Fig. 2 is the structural representation of the transmission shaft of Stop-motion lock locking structure in Fig. 1;
Fig. 3 is the structural representation of the stop member of Stop-motion lock locking structure in Fig. 1;
Fig. 4 is the structural representation of the locking element of Stop-motion lock locking structure in Fig. 1.
Marginal data
1, transmission shaft; 101, stop lug; 102, draw-in groove; 2, locking member is treated; 3, stop member; 301, protruding; 302, groove; 303, locking flange; 4, locking element; 401, breach; 402, bayonet socket.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 1, preferred embodiment of the present utility model provides a kind of Stop-motion lock locking structure, comprise transmission shaft 1, transmission shaft 1 has the stop lug 101 of evagination, on transmission shaft 1, installing needs locking member 2 and will treat that locking member 2 lock onto the locking member on transmission shaft 1, the both sides for the treatment of locking member 2 respectively with stop lug 101 and locking member against; Locking member comprise be partially submerged in transmission shaft 1 and with treat locking member 2 against stop member 3 and be threaded with transmission shaft 1 and with the locking element 4 of stop member 3 interference fit.In locking member of the present utility model, stop member 3 treats locking member 2 for backstop, locking element 4 is threaded with transmission shaft 1 and fixes with the stop member 3 be partially submerged in transmission shaft 1, thus locking member of the present utility model not only can be fixed on transmission shaft 1 and can not to rotate along transmission shaft 1 under the effect of external force, thus in Stop-motion lock locking structure of the present utility model, can will treat that locking member 2 lock onto between stop lug 101 and locking member by the locking effect of locking member.Stop-motion lock locking structure of the present utility model is compared with traditional locking mechanism, because locking member only comprises the simple stop member 3 of structure and locking element 4, so decrease the quantity of part, significantly reduce the difficulty of processing of locking member, and process time, the material resources cost of locking member; Simultaneously the volume and weight of locking member has had obvious minimizing, for the loss of weight of motor contributes compared to the volume and weight of the locking member in existing locking mechanism.
Particularly, as shown in figures 1 and 3, the periphery wall of transmission shaft 1 is processed with the draw-in groove 102 extended along its axial direction; Stop member 3 ringwise, its inner ring surface contacted with transmission shaft 1 be provided with evagination for embedding the projection 301 in draw-in groove 102.By making protruding 301 to embed in draw-in groove 102, stop member 3 can be made to be slidably installed on transmission shaft 1, and can not to rotate along the axis of transmission shaft 1; Again because locking element 4 and stop member 3 interference fit, thus can prevent locking element 4 from rotating along the axis of transmission shaft 1; In addition, ringwise, so one Zhou Junke plays limit stops effect, there is not angle relation with the draw-in groove 102 of transmission shaft 1 in the stop member 3 playing backstop action, when playing locking stopping function, do not need accurate moment of torsion to control.
Alternatively, as depicted in figs. 1 and 2, the quantity of draw-in groove 102 is two, and two clamp bar slots 102 are symmetrically arranged on transmission shaft 1; The quantity of protruding 301 is two, and as shown in Figure 3, two projections 301 are corresponding with two clamp bar slots 102 respectively to be arranged.
Alternatively, as shown in Figure 3, each protruding 301 are respectively provided with the groove 302 of indent with two joints of the inner ring surface of stop member 3, by arranging groove 302 at the inner ring surface of stop member 3 and the joint of protruding 301, can be convenient to assembling and the dismounting of stop member 3.
Alternatively, as shown in Figure 3, for making after stop member 3 deformation with locking element 4 interference fit with fixing, in the utility model, arranging on the end face of locking element 4 for be coated and locked part 4 and deformation under external force with the locking flange 303 of clamping lock gripping members 4 at stop member 3; Locking flange 303 is in hollow tubular, and locking element 4 is positioned at locking flange 303.During assembling, first assemble stop member 3, then assemble locking element 4 and make locking element 4 be positioned at locking flange 303, finally external force is applied to locking flange 303 and make its deformation to clamp position locking element 4 in the inner.
In the utility model specific embodiment, stop member 3 is thin-wall flange, is easy to manufacturing, and lightweight.
Particularly, as shown in Figure 4, ringwise, which is provided with the breach 401 for embedding after locking flange 303 deformation, breach 401 is positioned at the outer ring surface of locking element 4 and the jointing place of end face to locking element 4.During assembling, first assemble stop member 3, then assemble locking element 4 and make locking element 4 be positioned at locking flange 303, finally external force is applied to locking flange 303 and make its deformation to clamp the breach 401 on the locking element 4 in the inner of position, fix with locking element 4 with more firm.
Alternatively, as shown in Figure 4, the quantity of breach 401 is two, and two breach 401 are arranged along the axisymmetrical of locking element 4.
Alternatively, for ease of being assemblied on transmission shaft 1 by locking element 4, in the utility model, the outer ring surface of locking element 4 also arranges bayonet socket 402, bayonet socket 402 along locking element 4 Axis Extension and run through two end faces of locking element 4.Bayonet socket 402 not only can grip for assembly crewman to be assemblied on transmission shaft 1 by locking element 4 easily, also can alleviate the weight of locking element 4 simultaneously.
Alternatively, the quantity of bayonet socket 402 is four, and four bayonet sockets 402 are arranged along the axis uniform intervals of locking element 4.
In the utility model specific embodiment, locking element 4 is locking nut, is easy to manufacturing, and lightweight.
Alternatively, transmission shaft 1 is processed with outside thread, draw-in groove 102 passes perpendicularly through outside thread; The inner ring surface contacted with transmission shaft 1 of locking element 4 is provided with the internal thread matched with outside thread.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a Stop-motion lock locking structure, is characterized in that,
Comprise transmission shaft (1), described transmission shaft (1) has the stop lug (101) of evagination, the upper installing of described transmission shaft (1) needs locking member (2) and treat that locking member (2) lock onto the locking member on described transmission shaft (1) by described, described in treat locking member (2) both sides respectively with described stop lug (101) and described locking member against;
Described locking member comprise be partially submerged in described transmission shaft (1) and with described treat locking member (2) against stop member (3) and be threaded with described transmission shaft (1) and with the locking element (4) of described stop member (3) interference fit.
2. Stop-motion lock locking structure according to claim 1, is characterized in that,
The periphery wall of described transmission shaft (1) is processed with the draw-in groove (102) extended along its axial direction;
Described stop member (3) ringwise, its inner ring surface contacted with described transmission shaft (1) be provided with evagination for embedding the projection (301) in described draw-in groove (102).
3. Stop-motion lock locking structure according to claim 2, is characterized in that,
The quantity of described draw-in groove (102) is two, and two described draw-in grooves (102) are symmetrically arranged on described transmission shaft (1);
The quantity of described projection (301) is two, and two described projections (301) are corresponding with two described draw-in grooves (102) respectively to be arranged.
4. Stop-motion lock locking structure according to claim 2, is characterized in that,
Described projection (301) is respectively provided with the groove (302) of indent with two joints of the inner ring surface of described stop member (3).
5. Stop-motion lock locking structure according to claim 2, is characterized in that,
On described stop member (3) towards the end face of described locking element (4) be provided with for coated described locking element (4) and deformation under external force to clamp the locking flange (303) of described locking element (4);
Described locking flange (303) is in hollow tubular, and described locking element (4) is positioned at described locking flange (303).
6. Stop-motion lock locking structure according to claim 5, is characterized in that,
Described locking element (4) ringwise, which is provided with the breach (401) for embedding after described locking flange (303) deformation, described breach (401) is positioned at the outer ring surface of described locking element (4) and the jointing place of end face.
7. Stop-motion lock locking structure according to claim 6, is characterized in that,
The quantity of described breach (401) is two, and two described breach (401) are arranged along the axisymmetrical of described locking element (4).
8. Stop-motion lock locking structure according to claim 6, is characterized in that,
The outer ring surface of described locking element (4) is also provided with bayonet socket (402), described bayonet socket (402) along described locking element (4) Axis Extension and run through two end faces of described locking element (4).
9. Stop-motion lock locking structure according to claim 8, is characterized in that,
The quantity of described bayonet socket (402) is four, and four described bayonet sockets (402) are arranged along the axis uniform intervals of described locking element (4).
10. Stop-motion lock locking structure according to claim 6, is characterized in that,
(1) is processed with outside thread to described transmission shaft, and described draw-in groove (102) passes perpendicularly through described outside thread;
The inner ring surface contacted with described transmission shaft (1) of described locking element (4) is provided with the internal thread matched with described outside thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520941165.9U CN205173258U (en) | 2015-11-23 | 2015-11-23 | Locking locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520941165.9U CN205173258U (en) | 2015-11-23 | 2015-11-23 | Locking locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173258U true CN205173258U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520941165.9U Active CN205173258U (en) | 2015-11-23 | 2015-11-23 | Locking locking structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN205173258U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595248A (en) * | 2018-12-07 | 2019-04-09 | 中国航发南方工业有限公司 | Stop washer locking device and locking method |
| CN109630274A (en) * | 2018-11-12 | 2019-04-16 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of Aero-engine Bearing chocking construction |
-
2015
- 2015-11-23 CN CN201520941165.9U patent/CN205173258U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630274A (en) * | 2018-11-12 | 2019-04-16 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of Aero-engine Bearing chocking construction |
| CN109630274B (en) * | 2018-11-12 | 2021-04-02 | 中国航发沈阳黎明航空发动机有限责任公司 | Aeroengine bearing stop structure |
| CN109595248A (en) * | 2018-12-07 | 2019-04-09 | 中国航发南方工业有限公司 | Stop washer locking device and locking method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |