CN210221438U - Measuring device for measuring torsional rigidity of automobile seat angle adjuster - Google Patents
Measuring device for measuring torsional rigidity of automobile seat angle adjuster Download PDFInfo
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- CN210221438U CN210221438U CN201920604080.XU CN201920604080U CN210221438U CN 210221438 U CN210221438 U CN 210221438U CN 201920604080 U CN201920604080 U CN 201920604080U CN 210221438 U CN210221438 U CN 210221438U
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Abstract
The utility model discloses a measuring device for car seat angle modulation ware torsional rigidity is measured, first stand, second stand that just are located both sides including vertical setting, the fixed pulley is installed at the top of second stand, and there are first connecting plate and second connecting plate in the two sides difference fixed mounting of angle modulation ware, the second connecting plate is installed the bottom of second stand, still erect linkage force lever mechanism between first connecting plate and the first stand, the one end of loading cable wire with linkage force lever mechanism is connected, and the other end is walked around be connected with the hydro-cylinder behind the fixed pulley, pull the loading cable wire through the hydro-cylinder, the loading cable wire drives again linkage force lever mechanism rotates, it twists reverse to drive the angle modulation ware through first connecting plate when linkage force lever mechanism rotates to measure angle modulation ware torsional rigidity. The measuring device can measure the torsional rigidity of the angle regulator.
Description
Technical Field
The utility model relates to a measuring equipment of car seat angle modulation ware specifically indicates a measuring device that is used for car seat angle modulation ware torsional rigidity to measure.
Background
The automobile seat angle adjuster is used for adjusting the angle of a backrest of a seat, and when the seat is normally used, the backrest is locked at a use position by using a locking mechanism of the automobile seat angle adjuster, so that a driver or passengers can obtain a comfortable riding environment. The schematic position installation of the angle adjuster of the automobile seat is shown in fig. 1, and the angle adjuster 19 is used as a safety piece of the automobile seat and is required to meet the requirements of comfort, operation convenience and strength and safety.
The automobile seat design is a systematic matching design, the angle adjuster is used as a key part for connecting the seat back and the seat cushion, and the strength and the rigidity of the angle adjuster directly influence the matching design of the strength and the rigidity of the seat back and the seat cushion.
In the test, the torsional rigidity of the angle adjuster directly influences the test results of seat rear collision, whiplash (CN-CAP2018), headrest static strength (GB 15083-2006) and the like. At present, the CAE simulation analysis technology is generally applied to the research and development of automobile seats, and the strength and rigidity matching of a headrest, a backrest and a cushion can be optimally designed through the CAE analysis technology, so that the accurate measurement of the torsional rigidity curve of the angle adjuster is very important.
The traditional measuring method of the torsional rigidity curve of the angle adjuster is rough and low in precision, radial component force of the angle adjuster is applied in the measuring process, and the torsional rigidity of the angle adjuster is affected, so that a device capable of accurately measuring the torsional rigidity curve of the angle adjuster is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a measuring device for car seat angle modulation ware torsional rigidity is measured, this measuring device can measure angle modulation ware torsional rigidity.
The above object of the present invention is achieved by the following technical solutions: a measuring device for measuring torsional rigidity of an automobile seat angle adjuster is characterized in that: the measuring device comprises a first stand column and a second stand column which are vertically arranged and located on two sides, a fixed pulley is installed at the top of the second stand column, a first connecting plate and a second connecting plate are respectively and fixedly installed on two sides of the angle adjuster, the second connecting plate is installed at the bottom of the second stand column, a linkage force rod mechanism is further erected between the first connecting plate and the first stand column, one end of a loading steel cable is connected with the linkage force rod mechanism, the other end of the loading steel cable bypasses the fixed pulley and then is connected with an oil cylinder, the loading steel cable is pulled through the oil cylinder and then drives the linkage force rod mechanism to rotate, and the linkage force rod mechanism drives the angle adjuster to twist through the first connecting plate when rotating, so that the torsional rigidity of the angle adjuster is measured.
In the utility model, the linkage force rod mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod, a first stabilizer bar and a second stabilizer bar, the first connecting rod is hinged on the first upright post, the inner end of the second connecting rod is fixedly connected with the first connecting plate, the inner end of the third connecting rod is hinged at the inner end of the second connecting rod, the outer end of the second connecting rod and the outer end of the third connecting rod are respectively hinged with the chain, and the chain is perpendicular to the third connecting rod, namely the second connecting rod, the third connecting rod and the chain form a right triangle; the first connecting rod and the third connecting rod are arranged in parallel, and the first stabilizer bar and the second stabilizer bar are fixedly arranged on the first connecting rod and the third connecting rod and are perpendicular to the first connecting rod and the third connecting rod, namely the first connecting rod, the third connecting rod, the first stabilizer bar and the second stabilizer bar form a rectangle; the loading steel cable is connected with the second stabilizer bar; the measuring device utilizes the stability of a triangle and the principle of a two-force rod, the loading steel cable drives the linkage force rod mechanism to rotate, finally, the second connecting rod and the first connecting plate apply torque to the angle adjuster to measure the torsional rigidity of the angle adjuster, and the measuring device can also ensure that the angle adjuster is only subjected to the torque during torsion, and eliminate the influence of radial force on the torsional rigidity of the angle adjuster.
The utility model discloses in, the welding has the location snap ring on the second stabilizer bar, and the cover is equipped with loading U type ring on the location snap ring, the loading cable wire is connected with loading U type ring.
The utility model discloses in, first stabilizer bar and second stabilizer bar weld fixed welding through the argon arc and be in on first connecting rod and the third connecting rod.
The utility model discloses in, the two sides of angle modulation ware respectively with first connecting plate and second connecting plate weld mutually.
The utility model discloses in, the inner of second connecting rod passes through the fastening screw stationary phase with first connecting plate to be connected.
The utility model discloses in, the location axle is installed to the inner of second connecting rod to be provided with the backup pad between location axle and third connecting rod, the location axle passes backup pad and third connecting rod cartridge and is in the inner of second connecting rod, will the inner of third connecting rod articulates the inner of second connecting rod, the location axle does the articulated shaft of third connecting rod.
The utility model discloses in, first connecting rod articulate through articulated bolt and nut on the first stand, articulated bolt passes first connecting rod and first stand with the nut is connected, articulated bolt does the articulated shaft of first connecting rod.
The utility model discloses in, the hinge bolt with still be provided with second bush and location bush between the first connecting rod.
As a preferred embodiment, the top of the second upright is further horizontally provided with an elongated arm, the elongated arm is perpendicular to the second upright, the elongated arm is provided with a plurality of mounting holes along the length direction for mounting fixed pulleys, the angle adjuster is applicable to angle adjusters with different adjusting strokes, and the fixed pulleys are mounted on the mounting holes of the elongated arm.
Compared with the prior art, the utility model discloses have as follows and show the effect:
(1) the utility model discloses a measuring device simple structure utilizes triangle-shaped stability and two power pole principles, has improved angle modulation ware torsional rigidity curve measuring precision greatly.
(2) The utility model discloses a measuring device commonality and manufacturability are strong, can be used to the angle modulation ware torsional rigidity curve's of different models, different strokes measurement, and easily assemble, and are with low costs, and the practicality is strong.
(3) The utility model discloses a measuring device is convenient for install, accomodate.
(4) The utility model discloses an angle modulation ware among the measuring device is fixed with two connecting plates respectively through the welding, to the angle modulation ware of difference, only need change the connecting plate can, the commonality is high, low cost.
(5) The utility model discloses a measuring device can make things convenient for the measurement of the angle modulation ware torsional rigidity curve of different regulation strokes through lengthening the arm.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of a prior art seat recliner for an automobile seat;
fig. 2 is a measurement schematic diagram of the device for measuring torsional rigidity of the automobile seat angle adjuster according to the present invention;
fig. 3 is a schematic view of the overall structure of the device for measuring torsional rigidity of the angle adjuster of the automobile seat according to the present invention;
fig. 4 is a front view of the device for measuring torsional rigidity of the angle adjuster for the automobile seat according to the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is an enlarged view of section E of FIG. 5;
FIG. 7 is an enlarged view of section F of FIG. 5;
fig. 8 is a partial explosion diagram of the device for measuring torsional rigidity of the angle adjuster for automobile seat according to the present invention.
In the figure: 1. the device comprises a first upright post, 2, a second upright post, 3, a first stabilizer bar, 4, a second stabilizer bar, 5, a second connecting rod, 6, a first connecting plate, 7, a second connecting plate, 8, a loading steel cable, 9, an extension arm, 10, a fixed pulley, 11, a second upright post, 12, a loading U-shaped ring, 13, a positioning snap ring, 14, a third connecting rod, 15, a chain, 16, a positioning shaft, 17, a supporting plate, 18, a first bush, 19, an angle adjuster, 20, a nut, 21, a second bush, 22, a positioning bush, 23 and a hinge bolt.
Detailed Description
The measuring device for measuring the torsional rigidity of the automobile seat angle adjuster shown in fig. 1 to 8 comprises a first upright post 1 and a second upright post 11 which are vertically arranged and located on two sides, a fixed pulley 10 is installed at the top of the second upright post 11, a first connecting plate 6 and a second connecting plate 7 are respectively and fixedly installed on two sides of the angle adjuster 19, the first connecting plate 6 and the second connecting plate 7 are respectively welded on two sides of the angle adjuster 19, the angle adjuster 19 is respectively fixed with the first connecting plate 6 and the second connecting plate 7 through welding, for different angle adjusters, only the first connecting plate 6 and the second connecting plate 7 need to be replaced, and the measuring device is high in universality and low in cost.
The second connecting plate 7 is installed at the bottom of the second upright post 11, a linkage force rod mechanism is further erected between the first connecting plate 6 and the first upright post 1, one end of the loading steel cable 8 is connected with the linkage force rod mechanism, the other end of the loading steel cable is connected with the oil cylinder after bypassing the fixed pulley 10, the loading steel cable 8 is pulled by the oil cylinder, the loading steel cable 8 drives the linkage force rod mechanism to rotate, and the linkage force rod mechanism drives the angle adjuster 19 to twist through the first connecting plate 6 when rotating, so that the torsional rigidity of the angle adjuster is measured.
In this embodiment, the linkage force lever mechanism includes a first connecting rod 2, a second connecting rod 5, a third connecting rod 14, a first stabilizer bar 3 and a second stabilizer bar 4, the first connecting rod 2 is hinged on the first upright post 1, the inner end of the second connecting rod 5 is fixedly connected with the first connecting plate 6 through a fastening screw, the inner end of the third connecting rod 14 is hinged at the inner end of the second connecting rod 5, the outer end of the second connecting rod 5 and the outer end of the third connecting rod 14 are respectively hinged with a chain 15, and the chain 15 is perpendicular to the third connecting rod 14, that is, the second connecting rod 5, the third connecting rod 14 and the chain 15 form a right triangle; the first connecting rod 2 and the third connecting rod 14 are arranged in parallel, the first stabilizer bar 3 and the second stabilizer bar 4 are fixedly welded on the first connecting rod 2 and the third connecting rod 14 through argon arc welding and are perpendicular to the first connecting rod 2 and the third connecting rod 14, namely the first connecting rod 2, the third connecting rod 14, the first stabilizer bar 3 and the second stabilizer bar 4 form a rectangle; the loading steel cable 8 is connected with the second stabilizer bar 4, and the specific connection structure is as follows: the welding has location snap ring 13 on the second stabilizer bar 4, and the cover is equipped with loading U type ring 12 on the location snap ring 13, and loading cable wire 8 is connected with loading U type ring 12, adopts loading cable wire 8 as two power poles, and convenient storage adopts fixed pulley 10 to be favorable to confirming real-time pulling force direction more accurately to reduce measuring error.
The measuring device utilizes the stability of a triangle and a two-force lever principle, the loading steel cable 8 drives the linkage force lever mechanism to rotate, finally, the second connecting rod 5 and the first connecting plate 6 apply torque to the angle adjuster to measure the torsional rigidity of the angle adjuster, and the measuring device can also ensure that the angle adjuster is only subjected to the torque during torsion, and eliminate the influence of radial force on the torsional rigidity of the angle adjuster. In this embodiment, the inner end of the second connecting rod 5 is provided with a positioning shaft 16, a supporting plate 17 is arranged between the positioning shaft 16 and the third connecting rod 14, the positioning shaft 16 passes through the supporting plate 17 and the third connecting rod 14 and is inserted into the inner end of the second connecting rod 5, the inner end of the third connecting rod 14 is hinged to the inner end of the second connecting rod 5, and the positioning shaft 16 is a hinged shaft of the third connecting rod 14; a first bushing 18 is also disposed between the positioning shaft 16 and the third link 14. For installation, the positioning shaft 16 can be directly welded on the support plate 17.
Because the chain 15 belongs to a flexible rod and can only bear axial tension, and the chain 15 is vertical to the second connecting rod 5, the second connecting rod 5 only has torque to the angle regulator 19; the third connecting rod 14 is hinged with the supporting plate 17 and is not connected with the second connecting rod 5 and the angle adjuster 19, so that the radial force on the third connecting rod 14 cannot be transmitted to the angle adjuster 19; the recliner 19 is only subjected to the torque transmitted by the second link 5 and no radial forces are applied, thereby eliminating the effect of radial forces on the torsional stiffness of the recliner 19.
In this embodiment, the first connecting rod 2 is hinged to the first upright 1 through a hinge bolt 23 and a nut 20, the hinge bolt 23 passes through the first connecting rod 2 and the first upright 1 to be connected with the nut 20, and the hinge bolt 23 is a hinge shaft of the first connecting rod 2. A second bushing 21 and a positioning bushing 22 are also provided between the hinge bolt 23 and the first link 2.
As a preferred embodiment, the top of the second upright post 11 is further horizontally provided with an elongated arm 9, the elongated arm 9 is perpendicular to the second upright post 11, the elongated arm 9 is provided with a plurality of mounting holes along the length direction for mounting the fixed pulley 10, the angle adjuster is applicable to angle adjusters with different adjusting strokes, and the fixed pulley 10 is mounted on the mounting hole of the elongated arm 9.
The working principle of the measuring device of the utility model is shown in figure 2,
the position A is provided with an angle adjuster 19 which is fixed on the measuring device,
at E is a fixed pulley 10 which is,
DE is a loading cable 8 pulled by the cylinder,
delta ABC is the initial position of a right triangle formed by the second connecting rod 5, the third connecting rod 14 and the chain 15 in the linkage force rod mechanism, AB ⊥ BC, rods AB, BC and CA are all hinged,
wherein AB is the distance between two hinge points of the second connecting rod 5, BC is the distance between two hinge points of the chain 15, CA is the distance between two hinge points of the third connecting rod 14,
Δ AB ' C ' is the point in time of the power lever mechanism during draw where ∠ CAE, AE, AB, AC, AD, DE are known and the cylinder retraction length (i.e., (DE-D ' E)) can be read by the device.
Wherein, the point A is the rotation central point of the angle adjuster,
B. c are respectively the hinge points at the two ends of the chain,
the point D is the contact point of the loading U-shaped ring and the second stabilizer bar,
DG//BC，
b ', C', D 'and G' are respectively the positions after B, C, D, G rotates in the loading process,
the point E is a fixed point of the fixed pulley,
ignoring the radius of the fixed pulley, arc DF is the maximum whole motion track travel of point D,
AH is the angular bisector of ∠ C' AE;
∠ CAE is the included angle between the third connecting rod and the line connecting the rotation center of the angle adjuster and the fixed point of the fixed pulley before loading;
∠ C' AE, which is the included angle between the third connecting rod and the line connecting the rotation center of the angle adjuster and the fixed point of the fixed pulley after loading;
∠ D' AE, which is the included angle between the third connecting rod and the line connecting the rotation center of the angle adjuster and the fixed point of the fixed pulley after loading;
∠ AD 'E is the angle between the steel cable D' E and the third connecting rod after loading;
∠ BAB' the second connecting rod loads the front and back included angle;
∠ CAC', the third connecting rod loads the front and back included angle;
Δ D' KL: the auxiliary triangle of force, D ' K on the extension of G ' D ' and D ' L on D ' E.
AH is the angular bisector of ∠ C' AE,
AE: distance between the center of rotation of the angle adjuster and the fixed pulley
AB: distance between two hinge points of the second connecting rod
AC: distance between two hinge points of third connecting rod
AD: distance from rotation center of angle adjuster to U-shaped ring
DE: initial length of wire rope between U-shaped loop distance fixed pulley fixing points
Of Δ D ' AE, three sides D ' a, AE, ED ' are known, and ∠ D ' AE, ∠ AD ' E are found by the cosine theorem:
angle adjuster turning angle:
in the force triangle deltaD 'KL, the force F (the pulling force of the oil cylinder, namely D' L) is known, ∠ D 'KL and ∠ KD' L can be obtained,
∠D′KL＝-∠G′D′A＝∠B′C′A＝∠BCA
∠D′LK＝∠AD′E
from the sine theorem F can be solved1(i.e., D' K)
The loading process is quasi-static, so the sight rod AC' is in the state of moment balance, so
AD′*F1*sin∠C′D′K＝AC′*FC′1*sin∠B′C′D′
Since ∠ C ' D ' K and ∠ B ' C ' D ' are offset angles, ∠ C ' D ' K is ∠ B ' C ' D
F can be obtained by the principle of two force rodsB′1：
FB′1＝FC′1
The torsional force F borne by the angle-regulatorB′1And the real-time torque borne by the angle adjuster can be obtained:
and combining the real-time torsion angle ∠ BAB' of the angle adjuster to obtain the torsion rigidity curve of the angle adjuster.
The utility model discloses a measuring device commonality is strong, but reuse is applicable to the curved measurement of various model angle modulation ware torsional rigidity, only needs replacement angle modulation ware and the part that directly links to each other with it, can match this frock and accomplish the curved measurement of angle modulation ware torsional rigidity. In addition, the device manufacturability is strong, easily assembles, and is with low costs, and the practicality is strong.
The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.
Claims (10)
1. A measuring device for measuring torsional rigidity of an automobile seat angle adjuster is characterized in that: the measuring device comprises a first upright post (1) and a second upright post (11) which are vertically arranged and positioned at two sides, a fixed pulley (10) is installed at the top of the second upright post (11), a first connecting plate (6) and a second connecting plate (7) are respectively and fixedly installed on two sides of an angle adjuster (19), the second connecting plate (7) is installed at the bottom of the second upright post (11), a linkage force rod mechanism is further erected between the first connecting plate (6) and the first upright post (1), one end of a loading steel cable (8) is connected with the linkage force rod mechanism, the other end of the loading steel cable (8) bypasses the fixed pulley (10) and then is connected with an oil cylinder, the loading steel cable (8) is pulled by the oil cylinder to drive the linkage force rod mechanism to rotate, the angle adjuster (19) is driven to twist by the first connecting plate (6) when the linkage force rod mechanism rotates, thereby measuring the torsional stiffness of the recliner.
2. The measuring device for torsional rigidity measurement of an automobile seat recliner as set forth in claim 1, wherein: the linkage force rod mechanism comprises a first connecting rod (2), a second connecting rod (5), a third connecting rod (14), a first stabilizer bar (3) and a second stabilizer bar (4), wherein the first connecting rod (2) is hinged on the first upright post (1), the inner end of the second connecting rod (5) is fixedly connected with a first connecting plate (6), the inner end of the third connecting rod (14) is hinged at the inner end of the second connecting rod (5), the outer end of the second connecting rod (5) and the outer end of the third connecting rod (14) are respectively hinged with a chain (15), and the chain (15) is vertical to the third connecting rod (14), namely the second connecting rod (5), the third connecting rod (14) and the chain (15) form a right triangle; the first connecting rod (2) and the third connecting rod (14) are arranged in parallel, the first stabilizer bar (3) and the second stabilizer bar (4) are fixedly arranged on the first connecting rod (2) and the third connecting rod (14) and are perpendicular to the first connecting rod (2) and the third connecting rod (14), namely the first connecting rod (2), the third connecting rod (14), the first stabilizer bar (3) and the second stabilizer bar (4) form a rectangle; the loading steel cable (8) is connected with the second stabilizer bar (4); the measuring device utilizes the stability of a triangle and a two-force lever principle, drives the linkage force lever mechanism to rotate through the loading steel cable (8), and finally applies torque to the angle adjuster through the second connecting rod (5) and the first connecting plate (6) to measure the torsional rigidity of the angle adjuster.
3. The measuring device for torsional rigidity measurement of an automobile seat recliner as set forth in claim 2, wherein: the welding has location snap ring (13) on second stabilizer bar (4), and the cover is equipped with loading U type ring (12) on location snap ring (13), loading cable wire (8) are connected with loading U type ring (12).
4. The measuring device for torsional rigidity measurement of an automobile seat recliner as set forth in claim 2, wherein: the first stabilizer bar (3) and the second stabilizer bar (4) are fixedly welded on the first connecting rod (2) and the third connecting rod (14) through argon arc welding.
5. The measuring device for torsional rigidity measurement of an automobile seat recliner as set forth in claim 2, wherein: and two surfaces of the angle adjuster (19) are respectively welded with the first connecting plate (6) and the second connecting plate (7).
6. The measuring device for torsional rigidity measurement of an automobile seat recliner as set forth in claim 2, wherein: the inner end of the second connecting rod (5) is fixedly connected with the first connecting plate (6) through a fastening screw.
7. The measuring device for torsional rigidity measurement of an automobile seat recliner as set forth in claim 2, wherein: the inner end of the second connecting rod (5) is provided with a positioning shaft (16), a supporting plate (17) is arranged between the positioning shaft (16) and the third connecting rod (14), the positioning shaft (16) penetrates through the supporting plate (17) and the third connecting rod (14) and is inserted into the inner end of the second connecting rod (5), the inner end of the third connecting rod (14) is hinged to the inner end of the second connecting rod (5), and the positioning shaft (16) is a hinged shaft of the third connecting rod (14).
8. The measuring device for torsional rigidity measurement of an automobile seat recliner as set forth in claim 2, wherein: the first connecting rod (2) is hinged to the first upright post (1) through a hinge bolt (23) and a nut (20), the hinge bolt (23) penetrates through the first connecting rod (2) and the first upright post (1) to be connected with the nut (20), and the hinge bolt (23) is a hinge shaft of the first connecting rod (2).
9. The measuring device for torsional rigidity measurement of an automobile seat recliner as set forth in claim 8, wherein: a second bushing (21) and a positioning bushing (22) are further arranged between the hinge bolt (23) and the first connecting rod (2).
10. The measuring device for torsional rigidity measurement of an automobile seat recliner as set forth in any one of claims 1 to 9, wherein: the angle adjuster is characterized in that a lengthening arm (9) is further horizontally mounted at the top of the second upright post (11), the lengthening arm (9) is perpendicular to the second upright post (11), a plurality of mounting holes for mounting fixed pulleys (10) are formed in the lengthening arm (9) in the length direction and are applicable to angle adjusters with different adjusting strokes, and the fixed pulleys (10) are mounted on the mounting holes of the lengthening arm (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604080.XU CN210221438U (en) | 2019-04-28 | 2019-04-28 | Measuring device for measuring torsional rigidity of automobile seat angle adjuster |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604080.XU CN210221438U (en) | 2019-04-28 | 2019-04-28 | Measuring device for measuring torsional rigidity of automobile seat angle adjuster |
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| Publication Number | Publication Date |
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| CN210221438U true CN210221438U (en) | 2020-03-31 |
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ID=69925199
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|---|---|---|---|
| CN201920604080.XU Active CN210221438U (en) | 2019-04-28 | 2019-04-28 | Measuring device for measuring torsional rigidity of automobile seat angle adjuster |
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| CN (1) | CN210221438U (en) |
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2019
- 2019-04-28 CN CN201920604080.XU patent/CN210221438U/en active Active
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