Position adjusting device for steering gear output shaft

Abstract

The utility model provides a position adjusting device for an output shaft of a steering gear, which comprises a first base extending along a first direction; the second base extends in the second direction, is connected to the first base in a sliding mode and has a movement stroke in the first direction; the stand column assembly extends in the third direction, is detachably connected to the second base and has the movement stroke in the second direction and the movement stroke of horizontal rotation. The output shaft interface assembly is detachably connected to the stand column assembly, has a movement stroke in the third direction and is fixedly connected with an output shaft of the steering gear; wherein the first direction, the second direction and the third direction are perpendicular to one another. According to the utility model, the universality of the position adjusting device for the steering gear output shaft can be improved, the design and manufacturing cost is reduced, and the test time is shortened.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts testing, in particular to a position regulating device for a steering gear output shaft. Background Art

[0002] The steering gear is an important part in a car. It is used to appropriately transform the steering torque and steering angle from the steering wheel and then output them to the steering rod mechanism to make the car steer.

[0003] In the early stage of steering gear development, a torsional strength test is required to verify the torsional strength of the steering gear. In order to ensure the validity of the test data, the steering gear needs to be assembled in a simulated vehicle position during the torsional strength test. Since the positions of steering gears of different models relative to the vehicle are different, the position of the steering gear output shaft relative to the test device will also be different during the torsional strength test. Since the torsional strength test equipment is fixed, it can only be solved by moving the steering gear output shaft.

[0004] In the prior art, for different types of steering gears, a dedicated output shaft fixture needs to be designed separately. This method not only requires high design and production costs, but also requires different fixtures to be replaced at different positions during testing, resulting in low test efficiency and long test time.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the utility model, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In view of this, the utility model provides a position adjustment device for a steering gear input shaft, so as to at least solve the problems of poor versatility, long testing time and high cost of the current fixing device for the steering gear output shaft.

[0007] The utility model provides a position adjustment device for a steering gear output shaft, comprising:

[0008] A first base extending along a first direction;

[0009] A second base extending along a second direction, slidably connected to the first base, and having a movement stroke along the first direction;

[0010] A column assembly extending along the third direction, detachably connected to the second base, and having a movement stroke along the second direction and a movement stroke of horizontal rotation;

[0011] An output shaft interface assembly, detachably connected to the column assembly, having a movement stroke along the third direction, and fixedly connected to the output shaft of the steering gear;

[0012] The first direction, the second direction and the third direction are perpendicular to each other.

[0013] Benefiting from the above-mentioned setting of the position adjustment device for the output shaft of the steering gear, (1) the versatility of the position adjustment device is improved by adjusting the position of the output shaft interface assembly to adapt to the position of the output shaft of different steering gears; (2) it is avoided to adapt to the position of different output shafts by replacing the fixing device of the output shaft, thereby reducing the testing time; and (3) by improving the versatility, the design cost and the manufacturing cost are reduced.

[0014] In some embodiments, the upper surface of the first base has a first guide rail extending along a first direction and a plurality of screw holes arranged in an array.

[0015] Benefiting from the above-mentioned setting of the first base, the sliding connection and fixation of the first base and the second base, as well as the movement of the second base along the first direction are facilitated, so as to improve the versatility of the position adjustment device for the steering gear output shaft.

[0016] In some embodiments, the second base comprises: a sliding connection portion, a second guide rail, and a plurality of screw holes;

[0017] The sliding connection part is located on the lower surface of the second base, and the first base and the second base are slidably connected to the sliding connection part through the first guide rail;

[0018] The second guide rail is located on the upper surface of the second base and extends along the second direction;

[0019] The first base and the second base are switched into a relative sliding state or a relative fixed state through a switching mechanism.

[0020] Benefiting from the above-mentioned setting of the second base, the sliding connection and fixation of the first base and the second base, the sliding connection and fixation of the second base and the column assembly, and the movement of the column assembly along the first direction are facilitated, so as to improve the versatility of the position adjustment device for the steering gear output shaft.

[0021] In some embodiments, the column assembly includes: a fixed back plate, a third base, a column and an adjustment mechanism;

[0022] The fixed back plate is detachably connected to the second base and has a movement stroke along the second direction;

[0023] The third base is detachably connected to the fixed back plate;

[0024] The column is fixed on the third base, and the third base and the column have a horizontal rotation movement range;

[0025] The adjustment mechanism is fixed on the column and adjusts the output shaft interface assembly to move along the third direction.

[0026] Benefiting from the above arrangement of the column assembly, the horizontal rotation of the column assembly and the vertical movement of the output shaft interface assembly are facilitated, so as to improve the versatility of the position adjustment device for the output shaft of the steering gear.

[0027] In some embodiments, two side edges of the fixed back plate along the second direction have two strip holes, and the fixed back plate is detachably connected to the second guide rail of the second base through the strip holes;

[0028] The upper surface of the fixed back plate has circular scales.

[0029] Benefiting from the above-mentioned setting of the fixed back plate, the fixation of the fixed back plate and the second base, as well as the accurate horizontal rotation and fixation of the output shaft interface assembly are facilitated.

[0030] In some embodiments, the third base is circular, and has at least two waist holes on its edge, and the third base is detachably connected to the fixed back plate through the waist holes;

[0031] The third base records the horizontal rotation angle based on the circular scale.

[0032] Benefiting from the above-mentioned setting of the third base, the connection and fixation of the third base and the fixed back plate, as well as the accurate horizontal rotation of the output shaft interface assembly are facilitated.

[0033] In some embodiments, the column is cylindrical and fixed to the center of the upper surface of the third base;

[0034] The side surface of the column is provided with a third guide rail extending along the third direction, and the output shaft interface assembly moves along the third guide rail.

[0035] Benefiting from the above-mentioned arrangement of the column, the vertical movement of the output shaft interface assembly is facilitated to improve the versatility of the position adjustment device for the output shaft of the steering gear.

[0036] In some embodiments, the adjustment mechanism adjusts the output shaft interface assembly to move along the third direction through a screw structure and its own rotation.

[0037] Benefiting from the above-mentioned arrangement of the adjustment mechanism, accurate adjustment of the vertical movement of the output shaft interface assembly is facilitated.

[0038] In some embodiments, the output shaft interface assembly includes: a column fixture, an output shaft interface, a belt, and a torsional force sensor;

[0039] The column fixing piece is sleeved on the column and has a movement stroke along the third direction after being adjusted by the adjusting mechanism;

[0040] The output shaft interface is fixedly connected to the column fixing member through a pin, and is fixedly connected to the output shaft of the steering gear;

[0041] The torsional force of the output shaft is transmitted to the belt, and the torsional force sensor measures the tension of the belt to obtain the torsional force of the output shaft.

[0042] Benefiting from the above arrangement of the output shaft interface assembly, the vertical movement of the output shaft interface assembly is facilitated to improve the versatility of the position adjustment device for the steering gear output shaft, while facilitating the measurement of the torsional force of the output shaft.

[0043] In some embodiments, the output shaft interface is threaded or sleeved with the output shaft of the steering gear.

[0044] Benefiting from the above-mentioned setting of the output shaft interface, the versatility of the position adjustment device for the steering gear output shaft can be improved.

[0045] Compared with the prior art, the beneficial effects of the present invention include at least:

[0046] The position adjustment device for the output shaft of a steering gear provided by the utility model (1) improves the versatility of the position adjustment device by adjusting the position of the output shaft interface to adapt to the positions of the output shafts of different steering gears; (2) avoids adapting to the positions of different output shafts by replacing the fixing device of the output shaft, thereby reducing the testing time; and (3) reduces the design cost and the manufacturing cost by improving the versatility.

[0047] It should be understood that the above general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The drawings herein are incorporated into the specification and constitute a part of the specification, showing embodiments consistent with the present utility model, and together with the specification, are used to explain the principles of the present utility model. Obviously, the drawings described below are only some embodiments of the present utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0049] Figure 1 A three-dimensional diagram showing a position adjustment device for a steering gear output shaft according to an embodiment of the utility model;

[0050] Figure 2 Show Figure 1 A rear view of a position adjustment device for a steering gear input shaft;

[0051] Figure 3 Show Figure 1 A right side view of a position adjustment device for a steering gear input shaft;

[0052] Figure 4 Show Figure 1 A top view of a position adjustment device for a steering gear input shaft;

[0053] Figure 5 A three-dimensional diagram showing another position adjustment device for a steering gear output shaft according to an embodiment of the utility model;

[0054] Figure 6 A three-dimensional diagram showing another position adjustment device for a steering gear output shaft according to an embodiment of the utility model;

[0055] Figure 7 A stereoscopic view showing another position adjustment device for a steering gear output shaft according to an embodiment of the utility model after the steering gear is assembled.

[0056] Reference numerals:

[0057] 10 First Base

[0058] 11 First rail

[0059] 20 Second base

[0060] 21 Sliding connection

[0061] 22 Second rail

[0062] 30 Column assembly

[0063] 31 Fixing the back panel

[0064] 32 Third base

[0065] 33 Column

[0066] 34 Adjustment mechanism

[0067] 40 Output shaft interface assembly

[0068] 41 Column fixings

[0069] 42 Output shaft interface

[0070] 50 Steering gear

[0071] 51 Output shaft

[0072] X first direction

[0073] Y Second direction

[0074] Z third direction DETAILED DESCRIPTION

[0075] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein. Instead, these embodiments are provided so that the present invention will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their repeated description will be omitted.

[0076] The words "first", "second" and similar words used in the specific description do not indicate any order, quantity or importance, but are only used to distinguish different components. In addition, in the description of the present invention, the directions or positional relationships indicated by the terms "upper" and "lower" are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention.

[0077] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in different embodiments may be combined with each other.

[0078] Figure 1 A three-dimensional diagram showing a position adjustment device for a steering gear output shaft according to an embodiment of the utility model; Figure 2 Show Figure 1 A rear view of a position adjustment device for a steering gear input shaft;

[0079] Figure 3 Show Figure 1 A right side view of a position adjustment device for a steering gear input shaft; Figure 4 Show Figure 1 A top view of a position adjustment device for a steering gear input shaft; Figure 5 A three-dimensional diagram showing another position adjustment device for a steering gear output shaft according to an embodiment of the utility model; Figure 6 A three-dimensional diagram showing another position adjustment device for a steering gear output shaft according to an embodiment of the utility model; Figure 7 A stereoscopic view showing another position adjustment device for a steering gear output shaft according to an embodiment of the utility model after the steering gear is assembled.

[0080] like Figures 1 to 7As shown, the utility model provides a position adjustment device for the output shaft of a steering gear, comprising: a first base 10 extending along a first direction X; a second base 20 extending along a second direction Y, slidably connected to the first base 10, and having a movement stroke along the first direction X; a column assembly 30 extending along a third direction Z, detachably connected to the second base 20, and having a movement stroke along the second direction Y and a horizontal rotation movement stroke; an output shaft interface assembly 40 detachably connected to the column assembly 30, having a movement stroke along the third direction Z, and fixedly connected to the output shaft 51 of the steering gear 50; wherein the first direction X, the second direction Y and the third direction Z are perpendicular to each other. Benefiting from the above-mentioned setting of the position adjustment device for the output shaft of the steering gear, (1) by adjusting the position of the output shaft interface assembly 40 to adapt to the position of the output shaft 51 of different steering gears 50, the versatility of the position adjustment device is improved; (2) it is avoided to adapt to the position of different output shafts 51 by replacing the fixing device of the output shaft, thereby reducing the testing time; (3) by improving the versatility, the design cost and the manufacturing cost are reduced.

[0081] In some embodiments, the steering gear may include, according to the power assist type: a mechanical hydraulic power steering gear, an electronic hydraulic power steering gear, an electric power steering gear, etc.

[0082] In some embodiments, the connection / fixing method of each part can be set to screw connection, riveting, clamping or welding, etc. according to the specific application situation.

[0083] In some embodiments, the upper surface of the first base 10 has a first guide rail 11 extending along the first direction X and a plurality of screw holes arranged in an array. Benefiting from the above arrangement of the first base 10, the sliding connection and fixation of the first base 10 and the second base 20, and the movement of the second base 20 along the first direction X are facilitated, so as to improve the versatility of the position adjustment device for the output shaft of the steering gear.

[0084] In some embodiments, the second base 20 includes: a sliding connection part 21, a second guide rail 22 and a plurality of screw holes; the sliding connection part 21 is located on the lower surface of the second base 20, and the first base 10 and the second base 20 are slidably connected to the sliding connection part 21 through the first guide rail 11; the second guide rail 22 is located on the upper surface of the second base 20 and extends along the second direction Y; the first base 10 and the second base 20 are switched to a relative sliding state or a relative fixed state through a switching mechanism. The above-mentioned switching mechanism can be implemented as a mechanism such as a screw screw hole locking assembly, a buckle locking assembly or a latch assembly that can switch the relative sliding state or the relative fixed state of the first base 10 and the second base 20. Benefiting from the above-mentioned setting of the second base 20, the sliding connection and fixation of the first base 10 and the second base 20, the sliding connection and fixation of the second base 20 and the column assembly 30, and the movement of the column assembly 30 along the first direction X are facilitated, so as to improve the versatility of the position adjustment device for the output shaft of the steering gear.

[0085] In some embodiments, the column assembly 30 includes: a fixed back plate 31, a third base 32, a column 33 and an adjustment mechanism 34; the fixed back plate 31 is detachably connected to the second base 20 and has a movement stroke along the second direction Y; the third base 32 is detachably connected to the fixed back plate 31; the column 33 is fixed to the third base 32, and the third base 32 and the column 33 have a movement stroke of horizontal rotation; the adjustment mechanism 34 is fixed to the column 33, and adjusts the output shaft interface assembly 40 to move along the third direction Z. Benefiting from the above-mentioned configuration of the column assembly 30, the horizontal rotation of the column assembly 30 and the vertical movement of the output shaft interface assembly 40 are facilitated, so as to improve the versatility of the position adjustment device for the output shaft of the steering gear.

[0086] In some embodiments, the fixed back plate 31 has two strip holes on both side edges along the second direction Y, and the fixed back plate 31 is detachably connected to the second guide rail 22 of the second base 20 through the strip holes; the upper surface of the fixed back plate 31 has a circular scale. Benefiting from the above-mentioned setting of the fixed back plate 31, the fixed back plate 31 and the second base 20 are fixed, and the output shaft interface assembly 40 is accurately rotated and fixed.

[0087] In some embodiments, the third base 32 is circular, with at least two waist holes on the edge, and the third base 32 is detachably connected to the fixed back plate 31 through the waist holes; the third base 32 records the horizontal rotation angle based on the circular scale. Benefiting from the above setting of the third base 32, the connection and fixation of the third base 32 and the fixed back plate 31, as well as the accurate horizontal rotation of the output shaft interface assembly 40 are facilitated.

[0088] In some embodiments, the column 33 is cylindrical and fixed to the center of the upper surface of the third base 32; the side of the column 33 has a third guide rail extending along the third direction Z, and the output shaft interface assembly 40 moves along the third guide rail. Benefiting from the above arrangement of the column 33, the vertical movement of the output shaft interface assembly 40 is facilitated, so as to improve the versatility of the position adjustment device for the output shaft of the steering gear.

[0089] In some embodiments, the adjusting mechanism 34 adjusts the output shaft interface assembly 40 to move along the third direction Z through the screw structure and its own rotation. Benefiting from the above arrangement of the adjusting mechanism 34 , the vertical movement of the output shaft interface assembly 40 is accurately adjusted.

[0090] In some embodiments, the output shaft interface assembly 40 includes: a column fixing member 41, an output shaft interface 42, a belt and a torsion force sensor; the column fixing member 41 is sleeved on the column 33, and has a movement stroke along the third direction Z adjusted by the adjustment mechanism 34; the output shaft interface 42 is fixedly connected to the column fixing member 41 through a pin, and is fixedly connected to the output shaft 51 of the steering gear 50; wherein the torsion force of the output shaft 51 is transmitted to the belt, and the torsion force sensor measures the tension of the belt to obtain the torsion force of the output shaft 51. Benefiting from the above-mentioned setting of the output shaft interface assembly 40, the vertical movement of the output shaft interface assembly 40 is facilitated, so as to improve the versatility of the position adjustment device for the output shaft of the steering gear, and at the same time facilitate the measurement of the torsion force of the output shaft 51.

[0091] In some embodiments, the output shaft interface 42 is threaded or sleeved with the output shaft 51 of the steering gear 50. Thanks to the above arrangement of the output shaft interface 42, the versatility of the position adjustment device for the output shaft of the steering gear can be improved.

[0092] In summary, the position adjustment device for the output shaft of a steering gear provided by the utility model (1) improves the versatility of the position adjustment device by adjusting the position of the output shaft interface to adapt to the position of the output shaft of different steering gears; (2) avoids adapting to the position of different output shafts by replacing the fixing device of the output shaft, thereby reducing testing time; and (3) reduces design cost and manufacturing cost by improving versatility.

[0093] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A position adjustment device for a steering gear output shaft, characterized in that: include: A first base (10) extending along a first direction (X); A second base (20) extends along a second direction (Y), is slidably connected to the first base (10), and has a movement stroke along the first direction (X); A column assembly (30) extending along a third direction (Z), detachably connected to the second base (20), and having a movement stroke along the second direction (Y) and a horizontal rotation movement stroke; An output shaft interface assembly (40) is detachably connected to the column assembly (30), has a movement stroke along the third direction (Z), and is fixedly connected to an output shaft (51) of the steering gear (50); The first direction (X), the second direction (Y) and the third direction (Z) are perpendicular to each other.

2. The position adjustment device for the output shaft of a steering gear according to claim 1, characterized in that: The upper surface of the first base (10) has a first guide rail (11) extending along a first direction (X) and a plurality of screw holes arranged in an array.

3. The position adjustment device for the output shaft of the steering gear according to claim 2, characterized in that: The second base (20) comprises: a sliding connection portion (21), a second guide rail (22) and a plurality of screw holes; The sliding connection part (21) is located on the lower surface of the second base (20), and the first base (10) and the second base (20) are slidably connected to the sliding connection part (21) via the first guide rail (11); The second guide rail (22) is located on the upper surface of the second base (20) and extends along the second direction (Y); The first base (10) and the second base (20) are switched into a relative sliding state or a relative fixed state through a switching mechanism.

4. The position adjustment device for the output shaft of a steering gear according to claim 3, characterized in that: The column assembly (30) comprises: a fixed back plate (31), a third base (32), a column (33) and an adjustment mechanism (34); The fixed back plate (31) is detachably connected to the second base (20) and has a movement stroke along the second direction (Y); The third base (32) is detachably connected to the fixed back plate (31); The column (33) is fixed on the third base (32), and the third base (32) and the column (33) have a horizontal rotation movement range; The adjustment mechanism (34) is fixed on the column (33) and adjusts the output shaft interface component (40) to move along the third direction (Z).

5. The position adjustment device for the output shaft of a steering gear according to claim 4, characterized in that: The fixed back plate (31) has two strip-shaped holes at both side edges along the second direction (Y), and the fixed back plate (31) is detachably connected to the second guide rail (22) of the second base (20) through the strip-shaped holes; The upper surface of the fixed back plate (31) has circular scales.

6. The position adjustment device for the output shaft of a steering gear according to claim 5, characterized in that: The third base (32) is circular, and has at least two waist holes on its edge, and the third base (32) is detachably connected to the fixed back plate (31) through the waist holes; The third base (32) records the horizontal rotation angle based on the circular scale.

7. The position adjustment device for the output shaft of a steering gear according to claim 4, characterized in that: The column (33) is cylindrical and fixed at the center of the upper surface of the third base (32); The side surface of the column (33) has a third guide rail extending along the third direction (Z), and the output shaft interface assembly (40) moves along the third guide rail.

8. The position adjustment device for the output shaft of a steering gear according to claim 4, characterized in that: The adjusting mechanism (34) adjusts the output shaft interface component (40) to move along the third direction (Z) through the screw rod structure and its own rotation.

9. The position adjustment device for the output shaft of a steering gear according to claim 8, characterized in that: The output shaft interface assembly (40) comprises: a column fixing member (41), an output shaft interface (42), a belt and a torsion force sensor; The column fixing member (41) is sleeved on the column (33) and is adjusted by the adjusting mechanism (34) to have a movement stroke along the third direction (Z); The output shaft interface (42) is fixedly connected to the column fixing member (41) via a pin, and is also fixedly connected to the output shaft (51) of the steering gear (50); The torsional force of the output shaft (51) is transmitted to the belt, and the torsional force sensor measures the tension of the belt to obtain the torsional force of the output shaft (51).

10. The position adjustment device for the output shaft of a steering gear according to claim 9, characterized in that: The output shaft interface (42) is threadedly or sleeve-connected with the output shaft (51) of the steering gear (50).

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