CN209783779U - standard dummy integrating pressure distribution test - Google Patents
standard dummy integrating pressure distribution test Download PDFInfo
- Publication number
- CN209783779U CN209783779U CN201920951146.2U CN201920951146U CN209783779U CN 209783779 U CN209783779 U CN 209783779U CN 201920951146 U CN201920951146 U CN 201920951146U CN 209783779 U CN209783779 U CN 209783779U
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- plate
- waist
- seat
- pressure distribution
- chest
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Abstract
The utility model discloses a standard dummy of integrated pressure distribution test, include: the middle position of the seat plate is arched upwards to form a support platform, and one end of the seat plate extends upwards to form an extension part; the thigh weights are respectively arranged on two sides of the supporting platform in a matching manner; a support base located between the support base and the extension portion for placement of a pelvic weight; the back plate is rotatably connected with the seat plate; a hinge mechanism fixed to one side of the back plate; a first weight bracket passing through an upper portion of the articulating mechanism for placement of a chest weight; the second weight bracket penetrates through the middle part of the hinge mechanism and is used for placing a waist weight; the pivot is arranged at the lower part of the hinge mechanism and is rotationally connected with the H-point supporting seat; the bottom of the seat plate and the other side of the back plate are both provided with a plurality of uniformly distributed pressure sensors. The dummy can measure the pressure distribution of the seat, and can enable the back plate and the bottom plate to be more attached to the surface of the seat.
Description
Technical Field
the utility model relates to a standard dummy of integrated pressure distribution test belongs to the vehicle manufacturing field.
Background
the standard dummy for automobile test can be used for simulating various situations of a real person in a vehicle, the outer contour of the dummy is designed according to the size data parameters of a human body, and the weight of each part is designed according to the pressure ratio of the weight of the human body on the seat. The seat is a main part for human-vehicle interaction, and good seat comfort has important significance for improving the riding feeling of people and reducing fatigue. The standard dummy is a physical device for measuring key reference points and dimensions of the car and, at the same time, can also be used for measuring the objective pressure distribution of the seat.
when the traditional standard dummy is used for measuring the pressure distribution of the seat, a body pressure distribution pad is needed, the body pressure distribution pad is difficult to fix on the seat and is easy to move and wrinkle during the sitting process, so that body pressure distribution data of some parts are not collected, the collected data are inaccurate, and the pressure distribution of the seat is difficult to reflect really.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a developed a standard dummy of integrated pressure distribution test, can detect the pressure distribution of the difference of same seat respectively, can take a seat to the human body of different statures simultaneously and simulate, convenient operation detects the precision height.
another object of the present invention is to make the back plate and the bottom plate more fit to the surface of the seat by the cooperation of the back plate and the hinge mechanism, so as to simulate different sitting postures.
The utility model provides a technical scheme does:
A standard dummy integrated pressure distribution testing, comprising:
The middle position of the seat plate is arched upwards to form a support platform, and one end of the seat plate extends upwards to form an extension part;
A plurality of thigh weights symmetrically arranged on both sides of the support platform;
a support base located between the support base and the extension portion for placement of a pelvic weight;
The back plate is rotatably connected with the seat plate;
a hinge mechanism fixed to one side of the back plate;
A first weight bracket provided at an upper portion of the hinge mechanism for placing a chest weight;
the second weight bracket is arranged in the middle of the hinge mechanism and used for placing the waist weight;
The pivot is arranged at the lower part of the hinge mechanism and is rotationally connected with the supporting seat;
the bottom of the seat plate and the other side of the back plate are both provided with a plurality of uniformly distributed pressure sensors.
Preferably, the support seat includes:
a support plate;
The two groove plates are symmetrically arranged at the top of the supporting plate and used for placing the pivot;
the clamping plates are respectively arranged on two sides of the two groove plates at equal intervals;
One end of each of the two cross bars penetrates through the plurality of clamping plates and then is connected with the pivot, and the two cross bars are used for placing the pelvis weights;
The locking bush is movably sleeved at one end of the cross rod and used for positioning the pivot and the cross rod;
wherein the pivot and the two crossbars are coaxially arranged.
Preferably, the back plate includes:
A pelvic plate disposed atop the backboard extension;
a lumbar plate disposed on top of the pelvic plate;
a chest plate disposed at a top of the waist;
wherein, the central lines of the pelvis plate, the waist plate and the chest plate are positioned on the same straight line.
Preferably, the hinge mechanism includes:
the chest hinge mechanism is fixedly connected with the chest plate;
The waist hinging mechanism is fixedly connected with the waist plate, and one end of the waist hinging mechanism is rotatably connected with the chest hinging mechanism;
and the pelvis hinge mechanism is fixedly connected with the pelvis plate and is rotationally connected with the other end of the waist hinge mechanism.
preferably, the chest hinge mechanism comprises:
a connecting rod;
the first angle measuring table is movably sleeved in the middle of the connecting rod, one end of the first angle measuring table extends upwards to form a supporting lug, and a first internal thread hole is formed in the supporting lug;
One side of each U-shaped connecting fork is fixedly arranged on the chest plate, and the other side of each U-shaped connecting fork is rotatably connected with the first angle measuring table;
The locking mechanism is movably sleeved on the connecting rod and is positioned at the top of the angle measuring table, and a second internal threaded hole is formed in the locking mechanism;
A locking bolt with an external thread, wherein one end of the locking bolt penetrates through the first internal thread hole and the second internal thread hole respectively and is used for locking the hinge mechanism;
The connecting mechanism comprises a horizontal part and a vertical part, one end of the horizontal part is sleeved on the upper part of the connecting rod, and the other end of the horizontal part is vertically connected with one end of the vertical part;
and the first weight bracket is fixedly arranged at the other end of the vertical part and is used for placing the chest weight.
preferably, the waist hinge mechanism includes:
one end of the second angle measuring table is fixedly connected with one end of the connecting rod;
the two first waist connecting rods are fixedly arranged on the waist plate and are respectively positioned on two sides of the second angle measuring table, and one end of each first waist connecting rod is rotatably connected with the lower part of the U-shaped connecting fork;
One end of each second waist connecting rod is rotatably connected with the other end of each first waist connecting rod; the other end of the second angle measuring platform is fixedly connected with the other end of the second angle measuring platform through the pivot;
the two first waist connecting rods are connected through connecting support rods, and the connecting support rods penetrate through the square openings and can move relatively in the square openings.
Preferably, a third angle measuring table is provided on the support table.
preferably, a plurality of mounting rods are symmetrically arranged on two sides of the supporting seat and used for placing the thigh weights.
Beneficial effect: the utility model provides a standard dummy of integrated pressure distribution test can effectively measure the pressure distribution of seat, directly exports the pressure distribution data on seat back, the cushion with pressure sensor simultaneously to form objective evaluation to the travelling comfort of seat, can be used to different seats, the commonality is strong. Through the cooperation of backplate and hinge mechanisms, make backplate and bottom plate laminate seat surface more, and then the simulation difference takes the posture rational in infrastructure, simple to operate, easy operation.
drawings
Fig. 1 is a schematic structural diagram of a standard dummy integrated with pressure distribution according to the present invention.
Fig. 2 is a schematic structural view of the seat plate assembly of the present invention.
fig. 3 is a schematic structural view of the trunk assembly of the present invention.
fig. 4 is a schematic structural diagram of a chest hinge mechanism according to the present information.
Detailed Description
the present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
as shown in fig. 1-4, the utility model provides a standard dummy of integrated pressure distribution test, include: seat plate 110, pelvic plate 210, lumbar plate 220, chest plate 230, plurality of pressure sensors 111, articulation mechanisms, thigh weights 130, pelvis weights 141, lumbar weights 342, and chest weights 312.
As shown in fig. 1-2, the seat plate 110 is horizontally disposed, the back plate is disposed on the seat plate 110 and includes a pelvis plate 210, a waist plate 220 and a chest plate 230, one end of the seat plate 110 extends upward to form an extension, the pelvis plate 210 is disposed on top of the extension, the waist plate 220 is disposed on top of the pelvis plate 210, and the chest plate is disposed on top of the waist plate 220, wherein center lines of the pelvis plate 210, the waist plate 220 and the chest plate 230 are located on the same horizontal line.
the locking is arranged at the bottom of the seat plate 110 and one side of the back plate, and a plurality of uniformly distributed sensors are arranged and used for respectively measuring different pressures in different areas of the self-dummy.
a supporting platform 160 which is convex upwards and is formed along the center position on the seat plate 110, a plurality of thigh weight connecting rods 120 are symmetrically arranged on two sides of the supporting platform 160 and used for placing thigh weights, a first angle measuring platform 161 is arranged on the top of the supporting platform 160, a level 162 is arranged on the top of the supporting platform 160 close to the extending direction, and the center lines of the level 162 and the first angle measuring platform 161 and the center line of the supporting platform 160 are located on the same straight line; a first handle 163 is provided on the first angle measuring stand 161, and a load applying point 164 is provided at one end of the first angle measuring stand 161.
a support seat 150 is further provided between the support platform 160 and the extension portion, the support seat 150 including: the backup pad, it sets up on seat 110, at the backup pad top, is located the intermediate position of backup pad, and the symmetry is provided with two recess boards 151, in two recess boards 151 both sides, equidistant a plurality of cardboard 153 that are provided with respectively, forms the draw-in groove between the adjacent cardboard 153, and two horizontal poles 140's one end is passed respectively and is set up behind a plurality of cardboards of two recess board both sides, and portable cover is equipped with locking bush 152.
as shown in fig. 3-4, the hinge structure is fixedly disposed at the center line of the other side of the back plate, and includes: the chest hinge mechanism is fixedly connected with the chest plate 230, the waist hinge mechanism is fixedly connected with the waist plate 220, one end of the waist hinge mechanism is rotatably connected with the chest hinge mechanism, and the pelvis hinge mechanism is rotatably connected with the other end of the waist hinge mechanism.
chest articulated mechanism top-down includes in proper order: the connecting rod 320, one end of the connecting rod 320 is provided with a handle, the connecting mechanism 310 is fixedly arranged on the upper portion of the connecting rod 320 and comprises a horizontal portion and a vertical portion, one end of the horizontal portion is sleeved on the connecting rod 320, the other end of the horizontal portion is vertically connected with one end of the vertical portion, the first weight bracket 311 is fixedly arranged on the other end of the vertical portion, the second angle measuring table 370 is movably sleeved on the middle portion of the connecting rod 320, one end of the second angle measuring table 370 extends upwards to form a support lug 371, and a first threaded hole is formed in the support lug 371; the two U-shaped connecting forks 330 are symmetrically fixed on the chest plate and are positioned at two sides of the second angle measuring platform 370, and the connecting bolts respectively penetrate through the U-shaped connecting forks 330, the angle measuring platform 370 and the connecting rod 320, so that the U-shaped connecting forks are rotatably connected with the angle measuring platform. Locking mechanism 380 is movably sleeved on connecting rod 320 and is located the top of second angle measuring table 370, a second internal thread hole is formed in locking mechanism 380, and can be matched with the first internal thread hole and matched with locking bolt 381, locking bolt 381 has an external thread, after the position of second angle measuring table is adjusted, locking mechanism 380 is moved and located by using locking bolt 381, and one end of locking bolt 381 penetrates through the first threaded hole and the second threaded hole respectively to lock the hinge mechanism.
the waist hinging mechanism is fixedly arranged on the chest plate 220 and comprises a third angle measuring table 360, one end of the third angle measuring table is fixedly connected with the other end of the connecting rod 320, two first waist connecting rods 340 are fixed on the waist connecting plate and symmetrically arranged at two sides of the third angle measuring table 360, and one end of each first waist connecting rod 340 is rotatably connected with the U-shaped connecting fork 330; second heavy piece bracket 341 passes two waist connecting rods 340 respectively, and with first heavy piece bracket 341 parallel arrangement, second heavy piece bracket 341 is used for placing the waist heavy piece, square mouth has been seted up to 360 one sides of third angle measurement platform, the one end of second waist connecting rod 350 is connected with the other end rotation of first waist connecting rod 340, the other end passes through pivot 351 and the other end fixed connection of second angle measurement platform, the other end of two first waist connecting rods 340 is connected through connecting branch, connecting branch passes square mouth and can be in square mouth relative motion.
when the chair is used, firstly, the state of the chair is adjusted, and the seat cushion angle and the backrest angle are adjusted to the design positions specified by a host manufacturer, wherein the chair is required to be placed in a room with room temperature of about 20 ℃ and medium humidity for at least 24 hours; the seat to be measured is to ensure that the seat cushion and the backrest are not subjected to any load and are kept for more than half an hour; then covering a layer of cotton cloth on the surfaces of the seat cushion and the backrest;
secondly, a standard dummy is placed: installing a seat plate, adjusting the position of the seat plate to enable the air bubbles in the air bubble level meter to be positioned in the middle, then installing a back plate on a bracket of the seat plate, locking by using a locking bush, adjusting various mechanisms on the back plate to enable the back plate part to be well attached to the seat surface, locking by using a trunk locking mechanism, checking the trunk angle and enabling the trunk angle to be reduced by about two degrees at the design position;
Finally, a counterweight is installed and the load should be applied wheel by wheel, see table 1 for the specific scheme. Each additional round of weight was applied with 20 pounds of thrust in the fore-aft direction at the load point to ensure that the standard dummy seat and back plate were well-fitting to the seat surface. Since the torso angle is slightly less than the design angle before loading, the design angle will be reached under load.
After all the weights are placed and the state of the standard dummy is stable, the sensor part is connected, the body pressure distribution output is observed, and data can be recorded after the numerical value tends to be stable.
TABLE 1 counterweight installation procedure
while the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. a standard dummy integrated pressure distribution testing, comprising:
The middle position of the seat plate is arched upwards to form a support platform, and one end of the seat plate extends upwards to form an extension part;
A plurality of thigh weights symmetrically arranged on both sides of the support platform;
a support base located between the support base and the extension portion for placement of a pelvic weight;
the back plate is rotatably connected with the seat plate;
A hinge mechanism fixed to one side of the back plate;
a first weight bracket provided at an upper portion of the hinge mechanism for placing a chest weight;
the second weight bracket is arranged in the middle of the hinge mechanism and used for placing the waist weight;
the pivot is arranged at the lower part of the hinge mechanism and is rotationally connected with the supporting seat;
The bottom of the seat plate and the other side of the back plate are both provided with a plurality of uniformly distributed pressure sensors.
2. the standard dummy of integrated pressure distribution testing of claim 1, wherein the support base comprises:
a support plate;
The two groove plates are symmetrically arranged at the top of the supporting plate and used for placing the pivot;
the clamping plates are respectively arranged on two sides of the two groove plates at equal intervals;
one end of each of the two cross bars penetrates through the plurality of clamping plates and then is connected with the pivot, and the two cross bars are used for placing the pelvis weights;
The locking bush is movably sleeved at one end of the cross rod and used for positioning the pivot and the cross rod;
wherein the pivot and the two crossbars are coaxially arranged.
3. The standard dummy of integrated pressure distribution testing of claim 2, wherein the back plate comprises:
A pelvic plate disposed atop the backboard extension;
A lumbar plate disposed on top of the pelvic plate;
a chest plate disposed at a top of the waist;
Wherein, the central lines of the pelvis plate, the waist plate and the chest plate are positioned on the same straight line.
4. the standard dummy of integrated pressure distribution testing of claim 3, wherein the articulating mechanism comprises:
the chest hinge mechanism is fixedly connected with the chest plate;
the waist hinging mechanism is fixedly connected with the waist plate, and one end of the waist hinging mechanism is rotatably connected with the chest hinging mechanism;
and the pelvis hinge mechanism is fixedly connected with the pelvis plate and is rotationally connected with the other end of the waist hinge mechanism.
5. The standard dummy of integrated pressure distribution testing of claim 4, wherein the chest articulation mechanism comprises:
a connecting rod;
the first angle measuring table is movably sleeved in the middle of the connecting rod, one end of the first angle measuring table extends upwards to form a supporting lug, and a first internal thread hole is formed in the supporting lug;
one side of each U-shaped connecting fork is fixedly arranged on the chest plate, and the other side of each U-shaped connecting fork is rotatably connected with the first angle measuring table;
the locking mechanism is movably sleeved on the connecting rod and is positioned at the top of the angle measuring table, and a second internal threaded hole is formed in the locking mechanism;
a locking bolt with an external thread, wherein one end of the locking bolt penetrates through the first internal thread hole and the second internal thread hole respectively and is used for locking the hinge mechanism;
The connecting mechanism comprises a horizontal part and a vertical part, one end of the horizontal part is sleeved on the upper part of the connecting rod, and the other end of the horizontal part is vertically connected with one end of the vertical part;
and the first weight bracket is fixedly arranged at the other end of the vertical part and is used for placing the chest weight.
6. the standard dummy of integrated pressure distribution testing of claim 5, wherein the waist articulation mechanism comprises:
One end of the second angle measuring table is fixedly connected with one end of the connecting rod;
the two first waist connecting rods are fixedly arranged on the waist plate and are respectively positioned on two sides of the second angle measuring table, and one end of each first waist connecting rod is rotatably connected with the lower part of the U-shaped connecting fork;
One end of each second waist connecting rod is rotatably connected with the other end of each first waist connecting rod; the other end of the second angle measuring platform is fixedly connected with the other end of the second angle measuring platform through the pivot;
the two first waist connecting rods are connected through connecting support rods, and the connecting support rods penetrate through the square openings and can move relatively in the square openings.
7. The standard dummy of integrated pressure distribution testing of claim 6, wherein a third angle measuring station is provided on the support table.
8. The standard dummy for integrated pressure distribution testing according to claim 7, wherein a plurality of mounting bars are symmetrically arranged on both sides of the supporting base for placing thigh weights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951146.2U CN209783779U (en) | 2019-06-24 | 2019-06-24 | standard dummy integrating pressure distribution test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951146.2U CN209783779U (en) | 2019-06-24 | 2019-06-24 | standard dummy integrating pressure distribution test |
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| Publication Number | Publication Date |
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| CN209783779U true CN209783779U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920951146.2U Expired - Fee Related CN209783779U (en) | 2019-06-24 | 2019-06-24 | standard dummy integrating pressure distribution test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947960A (en) * | 2020-08-28 | 2020-11-17 | 南京林业大学 | Simulation device for testing and researching body pressure distribution of sitting object |
-
2019
- 2019-06-24 CN CN201920951146.2U patent/CN209783779U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947960A (en) * | 2020-08-28 | 2020-11-17 | 南京林业大学 | Simulation device for testing and researching body pressure distribution of sitting object |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20210624 |