CN202624361U - Wide-range retractable steering transmission shaft - Google Patents
Wide-range retractable steering transmission shaft Download PDFInfo
- Publication number
- CN202624361U CN202624361U CN 201220304003 CN201220304003U CN202624361U CN 202624361 U CN202624361 U CN 202624361U CN 201220304003 CN201220304003 CN 201220304003 CN 201220304003 U CN201220304003 U CN 201220304003U CN 202624361 U CN202624361 U CN 202624361U
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- Prior art keywords
- steel ball
- coupling body
- shaft coupling
- shaft
- ball track
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- Withdrawn - After Issue
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Abstract
The utility model relates to a transmission shaft, discloses a steering transmission shaft, in particular to a steering transmission shaft on a heavy truck and solves the problem that a steering transmission shaft of the conventional two-section steering transmission shaft cannot simultaneously have the maximal length and the minimum length when a requirement that the difference between the maximal length and the minimum length of the transmission shaft of a vehicle is overlarge is required to be met. The wide-range retractable steering transmission shaft comprises a first universal joint, a second universal joint, a spline sleeve shaft with an inner spline, a spline shaft with an outer spline, a steel ball rail guide pipe, steel balls, a coupling body, a retainer and a steel ball rail sleeve, wherein one end of the spline shaft is fixedly connected with the second universal joint; and the other end of the spline shaft is slidably connected to one end of the spline sleeve shaft through the spline in a matched mode. The wide-range retractable steering transmission shaft is rational in design and simple in structure, and the requirement that the steering transmission shaft has the maximum length and the minimum length is effectively met in practical use.
Description
Technical field
The utility model relates to transmission shaft, is specially a kind of steering inner articulated shaft, particularly the steering inner articulated shaft on the heavy duty truck.
Background technology
Be applied in the steering inner articulated shaft 10 on the heavy duty truck; Play a part the transfer torque with deflector 13 except connecting steering shaft 12; Also should satisfy following 2 requirements: (1) is when the driver's cab turnover of heavy duty truck; Steering inner articulated shaft 10 requirements can be extended, the length when its extreme length is greater than driver's cab turnover to maximum position; Can jolt because of pavement roughness when (2) heavy duty truck goes; Therefore, between operator's compartment and the vehicle frame relative motion is arranged when going, yet steering shaft 12 is installed on the operator's compartment; Deflector 13 is installed on the vehicle frame; Therefore steering inner articulated shaft 10 is in back and forth flexible state when vehicle jolts, and this can not be compressed to its minimum length when requiring steering inner articulated shaft 10 to compress because of vehicle jolts, otherwise deflector 13 with steering shaft 12 rigid collision can take place.By on can know that the steering inner articulated shaft 10 of heavy duty truck should satisfy a maximum tension length, satisfy a minimum compressed length again.In order to satisfy above-mentioned requirements, existing steering inner articulated shaft is generally made 2 joint formulas, connects with spline between 2 joints, can extend and compress as piston.
But the shortcoming that existing steering inner articulated shaft exists is: when vehicle required that difference is excessive between extreme length and the minimum length of steering inner articulated shaft, the steering inner articulated shaft of existing 2 joint formulas just can't satisfy the extreme length and the minimum length of steering inner articulated shaft simultaneously.
Summary of the invention
The utility model is in order to solve when difference is excessive between the extreme length of vehicle requirement steering inner articulated shaft and the minimum length; Existing 2 joint formula steering inner articulated shafts can't satisfy the extreme length of steering inner articulated shaft and the problem of minimum length simultaneously, and a kind of telescopic on a large scale steering inner articulated shaft is provided.
The utility model is to adopt following technical scheme to realize:
A kind of telescopic on a large scale steering inner articulated shaft; Comprise: first universal-joint, second universal-joint, have female splines the spline sleeve, have the castellated shaft of male splines; One end of said castellated shaft is captiveed joint with second universal-joint, and the other end of castellated shaft is connected in an end of spline sleeve with the mode that can slide through spline; Also comprise steel ball track conduit, steel ball, shaft coupling body, retainer and steel ball track sleeve; Said shaft coupling body bottom is provided with male splines, and the shaft coupling body is connected in the other end of spline sleeve through the male splines of bottom; Shaft coupling body middle part is provided with annular boss; Shaft coupling body top profile is interior step, outer step order of a permutation scalariform and its inside and is cylindrical cavity; Being uniformly distributed along the circumference on the step in the shaft coupling body top offers and its cavity UNICOM, the hole that supplies steel ball to pass through, outside the shaft coupling body top ledge surface be provided with top on the step the hole site one to one, groove axial, that cooperate with steel ball surface; The bottom of said steel ball track conduit cooperates with shaft coupling body upper cavity internal surface gaps and inserts in the shaft coupling body upper cavity; Steel ball track conduit upper side is provided with along circumference well-distributed boss; The pipeline that the quantity that is provided with the hole on the step in quantity and the shaft coupling body top in the steel ball track conduit is consistent, supply steel ball to roll; Each pipeline extends to its upper side boss opening from the lower side opening of steel ball track conduit to its inside vertically; Hole UNICOM in the lower side opening of steel ball track conduit and the shaft coupling body top on the step, the upper side boss place opening of steel ball track conduit is connected with the groove of ledge surface outside the shaft coupling body top; Said retainer is circular; The outer toroid surface of retainer is provided with along circumference well-distributed boss and boss upper surface and is the arcuation that cooperates with steel ball; Retainer is socketed in ledge surface in the shaft coupling body top, and an end of retainer is resisted against the side of shaft coupling body middle part annular boss and makes the boss upper surface on the outer toroid surface of retainer be positioned at the bottom in the hole on the ledge surface of shaft coupling body top; That said steel ball track sleeve inwall is provided with is axial, with shaft coupling body top outside each groove track that match, that supply steel ball to roll on the ledge surface, the boss on the outer toroid surface of said retainer, the boss of steel ball track conduit upper side all match with the track of steel ball track sleeve inwall; One end of said steel ball track sleeve is socketed on the outside face after steel ball track conduit, steel ball, shaft coupling body, retainer, the assembling of spline sleeve, other end captive joint first universal-joint of steel ball track sleeve; The complete steel ball roller track of the common composition of the boss upper surface of the hole of step, retainer in the groove of ledge surface, the shaft coupling body top outside pipeline in the track of said steel ball track sleeve inwall, the steel ball track conduit, the shaft coupling body top; Said steel ball is covered with said steel ball roller track; The spline sleeve is connected through steel ball with steel ball track sleeve, and steel ball track sleeve rolls in said steel ball roller track in the surface relative motion of spline sleeve through steel ball.
During work, steel ball track sleeve and spline sleeve are formed first order transmission, and spline sleeve and castellated shaft are formed second stage transmission.During transfer torque; First universal-joint drives steel ball track sleeve and rotates; Steel ball track sleeve drives steel ball track conduit, shaft coupling body, retainer rotation through steel ball; The shaft coupling body drives spline sleeve, castellated shaft, the rotation of second universal-joint successively through its underpart spline, realizes the function of transfer torque.When flexible, between first order transmission, steel ball is realized the relative motion of steel ball track sleeve and spline sleeve along steel ball roller track circulating rolling, is friction of rolling between steel ball track sleeve and the spline sleeve; Between the transmission of the second stage, through the slip of spline, realize the relative motion of spline sleeve and castellated shaft, between spline sleeve and the castellated shaft cliding friction.
Based on said process; The described telescopic on a large scale steering inner articulated shaft of the utility model is designed to the connection of 3 joint formulas, 2 grades of transmissions; Its flexible scope is greater than the steering inner articulated shaft of existing 2 joint formulas; When having overcome existing steering inner articulated shaft difference is excessive between the extreme length of vehicle requirement steering inner articulated shaft and minimum length, can't satisfy the extreme length of steering inner articulated shaft and the problem of minimum length simultaneously.
The utility model is reasonable in design, and is simple in structure, effectively satisfied the extreme length and the minimum length that in practice, require steering inner articulated shaft.
Description of drawings
Fig. 1 is the overall structure scheme drawing of the described telescopic steering inner articulated shaft on a large scale of the utility model.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the structural representation of shaft coupling body.
Fig. 4 is the A-A section-drawing of Fig. 3.
Fig. 5 is the right elevation of Fig. 3.
Fig. 6 is the B-B section-drawing of Fig. 3.
Fig. 7 is the structural representation of steel ball catheter body.
Fig. 8 is the right elevation of Fig. 7.
Fig. 9 is the structural representation of cutting ferrule.
Figure 10 is the upward view of cutting ferrule.
Figure 11 is the mounting structure scheme drawing of cutting ferrule, steel ball catheter body, steel ball.
Figure 12 is the upward view of Figure 11.
The structural representation of Figure 13 retainer.
Figure 14 is the birds-eye view of retainer.
Figure 15 is the structural representation of steel ball track sleeve.
Figure 16 is the cross sectional drawing of steel ball track sleeve.
Figure 17 is the structural representation of spline sleeve.
Figure 18 is the cross sectional drawing of spline sleeve.
Figure 19 is the structural representation of castellated shaft.
Figure 20 is the cross sectional drawing of castellated shaft.
The mounting structure scheme drawing of Figure 21 when to be that the described telescopic on a large scale steering inner articulated shaft of the utility model is actual use.
Among the figure, 1-first universal-joint, 2-steel ball track conduit, 3-steel ball, 4-shaft coupling body, 5-retainer; 6-steel ball track sleeve, 7-spline sleeve, 8-castellated shaft, 9-second universal-joint, 10-steering inner articulated shaft; The 11-bearing circle, 12-steering shaft, 13-deflector, 20-cutting ferrule, 21-pipeline; 22-steel ball catheter body, the outer step of 41-, step in the 42-, 43-hole, 44-groove.
The specific embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing.
A kind of telescopic on a large scale steering inner articulated shaft; Like Fig. 1,17,18,19, shown in 20; Comprise: first universal-joint 1, second universal-joint 9, have female splines spline sleeve 7, have the castellated shaft 8 of male splines; One end of said castellated shaft 8 is captiveed joint with second universal-joint 9, and the other end of castellated shaft 8 is connected in an end of spline sleeve 7 with the mode that can slide through spline.
As shown in Figure 2, also comprise steel ball track conduit 2, steel ball 3, shaft coupling body 4, retainer 5 and steel ball track sleeve 6.
Like Fig. 3,4,5, shown in 6, said shaft coupling body 4 bottoms are provided with male splines, and shaft coupling body 4 is connected in the other end of spline sleeve 7 through the male splines of bottom; Shaft coupling body 4 middle parts are provided with annular boss; Shaft coupling body 4 top profiles are interior step 42, outer step 41 order of a permutation scalariforms and its inside and are cylindrical cavity; Be uniformly distributed along the circumference on the step 42 in shaft coupling body 4 tops and offer the hole of passing through with its cavity UNICOM, confession steel ball 3 43; Outside shaft coupling body 4 tops step 41 surfaces be provided with top on the step 43 positions, hole one to one, axial, with the groove 44 of steel ball 3 surface engagement (here hole 43 and groove 44 positions one to one explained for 1. when steel ball 3 rolls in the steel ball roller track; Steel ball 3 in the groove 44 can roll in the hole 43 smoothly, and the steel ball 3 that is perhaps come out by hole 43 can roll in the groove 44 smoothly; 2. the quantity in hole 43 is consistent with the quantity of groove 44).In addition; Male splines bottom, shaft coupling body 4 bottom is a cavity; Like this, when the described telescopic on a large scale steering inner articulated shaft 10 of the utility model compressed, the top of castellated shaft 8 can be stretched in the shaft coupling body 4 bottom male splines bottom cavity; Both practiced thrift the longitudinal space of axle, and avoided castellated shaft 8 to contact again with the rigidity of shaft coupling body 4.
The bottom of said steel ball track conduit 2 cooperates with shaft coupling body 4 upper cavity internal surface gaps and inserts in shaft coupling body 4 upper cavity; Steel ball track conduit 2 upper side are provided with along circumference well-distributed boss; The pipeline 21 that the quantity that is provided with the hole 43 on the step 42 in quantity and shaft coupling body (4) top in the steel ball track conduit 2 is consistent, supply steel ball 3 to roll; Each pipeline 21 extends to its upper side boss opening from the lower side opening of steel ball track conduit 2 to its inside vertically; Hole 43 UNICOMs in the lower side opening of steel ball track conduit 2 and shaft coupling body 4 tops on the step 42; Outside the upper side boss place opening of steel ball track conduit 2 and shaft coupling body 4 tops grooves 44 on step 41 surfaces is connected (here " step 41 surperficial grooves 44 are connected outside the upper side boss place opening of steel ball track conduit 2 and shaft coupling body 4 tops " be interpreted as: when steel ball 3 rolls in the steel ball roller track; Steel ball 3 in the groove 44 can be smoothly rolls in the pipeline 21 of steel ball track conduit 2 along the upper side boss place opening of steel ball track conduit 2, perhaps in the pipeline 21 of steel ball track conduit 2 steel balls 3 can be smoothly to roll into the surperficial groove 44 of step outside shaft coupling body 4 tops 41 along its upper side boss place opening interior).
Like Figure 13, shown in 14; Said retainer 5 is circular; The outer toroid surface of retainer 5 is provided with along circumference well-distributed boss and boss upper surface and is the arcuation that cooperates with steel ball 3; Retainer 5 is socketed in step 42 surfaces in shaft coupling body 4 tops; One end of retainer 5 be resisted against the side of shaft coupling body 4 middle part annular boss and make the boss upper surface on the outer toroid surface of retainer 5 be positioned at shaft coupling body 4 top steps 42 lip-deep holes 43 the bottom (here " the surperficial boss upper surface of the outer toroid of retainer 5 is positioned at the bottom in shaft coupling body 4 top steps 42 lip-deep holes 43 " be interpreted as when steel ball 3 when the steel ball roller track rolls; The steel ball 3 that is rolled out by hole 43 can roll into groove 44 smoothly under the surperficial boss upper surface support of the outer toroid of retainer 5, perhaps the steel balls 3 in the groove 44 also can roll into hole 43 smoothly under the surperficial boss upper surface support of the outer toroid of retainer 5).
Like Figure 15, shown in 16; That said steel ball track sleeve 6 inwalls are provided with is axial, with shaft coupling body 4 tops outside 44 that match, the track that supplies steel ball 3 to roll of lip-deep each groove of step 41, the boss on the outer toroid surface of said retainer 5, the boss of steel ball track conduit 2 upper side all match with the track of steel ball track sleeve 6 inwalls.
As shown in Figure 2; The complete steel ball roller track of the common composition of the boss upper surface of the hole 43 of step 42, retainer 5 in the groove 44 on step 41 surfaces, shaft coupling body 4 tops outside pipeline 21 in the track of said steel ball track sleeve 6 inwalls, the steel ball track conduit 2, shaft coupling body 4 tops, said steel ball roller track is oval.
As shown in Figure 2, said steel ball 3 is covered with said steel ball roller track.
As shown in Figure 1, an end of said steel ball track sleeve 6 is socketed on the outside face after steel ball track conduit 2, steel ball 3, shaft coupling body 4, retainer 5,7 assemblings of spline sleeve, other end captive joint first universal-joint 1 of steel ball track sleeve 6.
Further,, help steel ball track sleeve 6 like this and do relative motion, both helped the steering inner articulated shaft transfer torque, help the flexible of steering inner articulated shaft again on the surface of spline sleeve 7 at 3 steel ball roller tracks of rectangular distribution radially.
Further, like Fig. 7,8,9,10,11, shown in 12, said steel ball track conduit 2 is made up of 3 steel ball catheter bodies 22, and said each steel ball catheter body 22 is that pipeline 21 line of centerss of steel ball track conduit in 2 along its are mutually 120 ° and cut and constitute.Also comprise cutting ferrule 20, said cutting ferrule 20 is fastened on the upper end of 3 steel ball catheter bodies 22,3 steel ball catheter bodies 22 is cooperated form steel ball track conduit 2.Steel ball catheter body 22 is easy to actual machine-shaping like this, realizes suitability for industrialized production, makes steel ball track conduit 2 be easy to assembling and uses.
Further, like Figure 13, shown in 14, there is fracture the circular centre of said retainer 5.Make things convenient for cooperating of retainer 5 and shaft coupling body 4 like this.
Further, like Fig. 4, shown in 5, said shaft coupling body 4 upper cavity inside faces are evenly equipped with 3 axial grooves, and said steel ball track conduit 2 lower side are provided with the raised line that matches with shaft coupling body 4 upper cavity inner surface recesses.So more help the transmission of moment of torsion between steel ball track conduit 2 and the shaft coupling body 4.
When concrete assembling was used, like Fig. 1, shown in 2, castellated shaft 8 one ends welded second universal-joint 9, and castellated shaft 8 other ends insert in it from spline sleeve 7 one ends with the spline sliding type.Shaft coupling body 4 fixedly is assemblied in the other end of spline sleeve 7 through male splines.Retainer 5 is assemblied in step 42 surfaces in shaft coupling body 4 tops, and the boss on the retainer 5 is corresponding with groove 44 with the hole 43 on shaft coupling body 4 tops.Cutting ferrule 20 is assembled into steel ball track conduit 2 with 3 steel ball catheter bodies 22; The bottom correspondence of steel ball track conduit 2 be assemblied in shaft coupling body 4 upper cavity (be steel ball track conduit 2 upper side boss place openings with shaft coupling body 4 tops outside step 41 surface grooves 44 be connected, hole 43 is corresponding on steel ball track conduit 2 lower side openings and the shaft coupling body 4 interior steps).Steel ball 3 is covered with pipeline 21 and shaft coupling body 4 upper grooves 44 and the hole 43 in the steel ball track conduit 2.The steel ball track sleeve 6 one ends mode that step 41 surface grooves 44 match outside its inwall track and shaft coupling body 4 tops, be socketed on the outside face after steel ball track conduit 2, steel ball 3, shaft coupling body 4, retainer 5,7 assemblings of spline sleeve from steel ball track conduit 2 one ends, the other end of steel ball track sleeve 6 welds first universal-joint 1.
During practical implementation; Shown in figure 21; First universal-joint 1 of the described telescopic steering inner articulated shaft on a large scale of the utility model is connected with the steering shaft that is positioned at cab of heavy truck 12, and steering shaft 12 is connected with the bearing circle 11 of truck, and second universal-joint 9 of steering inner articulated shaft 10 is connected with the deflector 13 on being positioned at heavy truck frames; Realize transfer torque and Telescopic, effectively satisfied the extreme length and the minimum length that in practice, require steering inner articulated shaft.
Claims (7)
1. telescopic on a large scale steering inner articulated shaft; Comprise: first universal-joint (1), second universal-joint (9), have female splines spline sleeve (7), have the castellated shaft (8) of male splines; One end of said castellated shaft (8) is captiveed joint with second universal-joint (9); The other end of castellated shaft (8) is connected in an end of spline sleeve (7) with the mode that can slide through spline, it is characterized in that: also comprise steel ball track conduit (2), steel ball (3), shaft coupling body (4), retainer (5) and steel ball track sleeve (6);
Said shaft coupling body (4) bottom is provided with male splines, and shaft coupling body (4) is connected in the other end of spline sleeve (7) through the male splines of bottom; Shaft coupling body (4) middle part is provided with annular boss; Shaft coupling body (4) top profile is interior step (42), outer step (41) order of a permutation scalariform and its inside and is cylindrical cavity; Being uniformly distributed along the circumference on the step (42) in shaft coupling body (4) top offers and its cavity UNICOM, the hole (43) that supplies steel ball (3) to pass through, on shaft coupling body (4) the top outside step (41) surface be provided with top on the step position, hole (43) one to one, axial, and the groove (44) of steel ball (3) surface engagement;
The bottom of said steel ball track conduit (2) cooperates with shaft coupling body (4) upper cavity internal surface gaps and inserts in shaft coupling body (4) upper cavity; Steel ball track conduit (2) upper side is provided with along circumference well-distributed boss; The pipeline (21) that the quantity that is provided with the hole (43) on the step (42) in quantity and shaft coupling body (4) top in the steel ball track conduit (2) is consistent, supply steel ball (3) to roll; Each pipeline (21) extends to its upper side boss opening from the lower side opening of steel ball track conduit (2) to its inside vertically; Hole (43) UNICOM in the lower side opening of steel ball track conduit (2) and shaft coupling body (4) top on the step (42), the upper side boss place opening of steel ball track conduit (2) is connected with the groove (44) on step (41) surface outside shaft coupling body (4) top;
Said retainer (5) is circular; The outer toroid surface of retainer (5) is provided with along circumference well-distributed boss and boss upper surface and is the arcuation that cooperates with steel ball (3); Retainer (5) is socketed in step (42) surface in shaft coupling body (4) top, and an end of retainer (5) is resisted against the side of shaft coupling body (4) middle part annular boss and makes the boss upper surface on the outer toroid surface of retainer (5) be positioned at the bottom in the lip-deep hole of shaft coupling body (4) top step (42) (43);
That said steel ball track sleeve (6) inwall is provided with is axial, with shaft coupling body (4) top outside lip-deep each groove of step (41) (44) track that match, that supply steel ball (3) to roll, the boss on the outer toroid surface of said retainer (5), the boss of steel ball track conduit (2) upper side all match with the track of steel ball track sleeve (6) inwall; One end of said steel ball track sleeve (6) is socketed on the outside face after steel ball track conduit (2), steel ball (3), shaft coupling body (4), retainer (5), spline sleeve (7) assembling, other end captive joint first universal-joint (1) of steel ball track sleeve (6);
The complete steel ball roller track of the common composition of the boss upper surface of the hole (43) of step (42), retainer (5) in the groove (44) on step (41) surface, shaft coupling body (4) top outside pipeline (21) in the track of said steel ball track sleeve (6) inwall, the steel ball track conduit (2), shaft coupling body (4) top;
Said steel ball (3) is covered with said steel ball roller track;
Spline sleeve (7) is connected through steel ball (3) with steel ball track sleeve (6), and steel ball track sleeve (6) rolls in the surperficial relative motion of spline sleeve (7) in said steel ball roller track through steel ball (3).
2. telescopic on a large scale steering inner articulated shaft according to claim 1 is characterized in that: at 3 said steel ball roller tracks of rectangular distribution radially.
3. telescopic on a large scale steering inner articulated shaft according to claim 2; It is characterized in that: said steel ball track conduit (2) is made up of 3 steel ball catheter bodies (22), and said each steel ball catheter body (22) is that steel ball track conduit (2) is mutually 120 ° of incision formations along the pipeline in it (21) line of centers; Also comprise cutting ferrule (20), said cutting ferrule (20) is fastened on the upper end of 3 steel ball catheter bodies (22).
4. telescopic on a large scale steering inner articulated shaft according to claim 1 is characterized in that: there is fracture the circular centre of said retainer (5).
5. telescopic on a large scale steering inner articulated shaft according to claim 3 is characterized in that: there is fracture the circular centre of said retainer (5).
6. telescopic on a large scale steering inner articulated shaft according to claim 4; It is characterized in that: said shaft coupling body (4) upper cavity inside face is evenly equipped with 3 axial grooves, and said steel ball track conduit (2) lower side is provided with the raised line that matches with shaft coupling body (4) upper cavity inner surface recesses.
7. telescopic on a large scale steering inner articulated shaft according to claim 5; It is characterized in that: said shaft coupling body (4) upper cavity inside face is evenly equipped with 3 axial grooves, and said steel ball track conduit (2) lower side is provided with the raised line that matches with shaft coupling body (4) upper cavity inner surface recesses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304003 CN202624361U (en) | 2012-06-27 | 2012-06-27 | Wide-range retractable steering transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304003 CN202624361U (en) | 2012-06-27 | 2012-06-27 | Wide-range retractable steering transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202624361U true CN202624361U (en) | 2012-12-26 |
Family
ID=47377585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220304003 Withdrawn - After Issue CN202624361U (en) | 2012-06-27 | 2012-06-27 | Wide-range retractable steering transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202624361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700608A (en) * | 2012-06-27 | 2012-10-03 | 山西大运汽车制造有限公司 | Large-range telescopic steering transmission shaft |
| CN105857442A (en) * | 2016-05-30 | 2016-08-17 | 徐俊锋 | Assembly technology of steering column assembly |
-
2012
- 2012-06-27 CN CN 201220304003 patent/CN202624361U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700608A (en) * | 2012-06-27 | 2012-10-03 | 山西大运汽车制造有限公司 | Large-range telescopic steering transmission shaft |
| CN105857442A (en) * | 2016-05-30 | 2016-08-17 | 徐俊锋 | Assembly technology of steering column assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121226 Effective date of abandoning: 20131120 |
|
| RGAV | Abandon patent right to avoid regrant |