CN-122016478-A - Seat foam resilience performance measuring device

CN122016478ACN 122016478 ACN122016478 ACN 122016478ACN-122016478-A

Abstract

The invention provides a seat foam rebound resilience performance measuring device which comprises a base, a supporting component and a measuring component, wherein the supporting component is connected with the base and comprises a first supporting rod, a second supporting rod and a third supporting rod, the first supporting rod is arranged in an extending mode along the vertical direction, the second supporting rod and the third supporting rod are arranged in an extending mode along the horizontal direction, the second supporting rod is movably arranged along the height direction of the first supporting rod, the third supporting rod and the second supporting rod form a first included angle, the third supporting rod is movably arranged along the length direction of the second supporting rod, the measuring component is connected with the third supporting rod, the measuring component comprises a plurality of displacement sensors, and the displacement sensors are rotatably arranged around the axis of the third supporting rod. The measuring device in the scheme solves the technical problem that the deviation between test data of foam performance detection equipment in the prior art and actual use working conditions is large.

Inventors

CHEN CHENG
ZHANG DECONG
DU MENGCHAO
FAN JIYI
LV HAORAN
YAN XIN
LI QINGYU
WAN JIALE
GAO HAN
LIU LONGHUI
WANG SIWEN
LIU DONG

Assignees

一汽解放汽车有限公司

Dates

Publication Date: 20260512
Application Date: 20260316

Claims (10)

1. The utility model provides a seat bubble cotton resilience performance measuring device which characterized in that includes: A base (1); The support assembly is connected with the base (1), the support assembly comprises a first support rod (2), a second support rod (3) and a third support rod (4), the first support rod (2) is arranged in an extending mode along the vertical direction, the second support rod (3) and the third support rod (4) are arranged in an extending mode along the horizontal direction, the second support rod (3) is movably arranged along the height direction of the first support rod (2), the third support rod (4) and the second support rod (3) are arranged at a first included angle, and the third support rod (4) is movably arranged along the length direction of the second support rod (3); The measuring assembly is connected with the third supporting rod (4) and comprises a plurality of displacement sensors (5), and the displacement sensors (5) are rotatably arranged around the axis of the third supporting rod (4).
2. The device for measuring the resilience performance of foam of seats according to claim 1, wherein the third support rod (4) is rotatably disposed with respect to the second support rod (3), the rotation axis of the third support rod (4) is disposed in line with the axis of the third support rod (4), and the measuring assembly further comprises: the support frame (6), support frame (6) with third bracing piece (4) are connected, a plurality of displacement sensor (5) with support frame (6) are connected, a plurality of displacement sensor (5) are relative support frame (6) position adjustable setting.
3. The device for measuring the resilience performance of foam of seats according to claim 2, wherein said supporting frame (6) comprises: The connecting rod (61) is connected with the third supporting rod (4), and the connecting rod (61) and the third supporting rod (4) are arranged at a second included angle; The telescopic assembly comprises a first telescopic rod (62), the first telescopic rod (62) comprises a first fixed section (621) and a first movable section (622), the first fixed section (621) is connected with the connecting rod (61), the first movable section (622) is movably arranged along the length direction of the first fixed section (621), and the displacement sensor (5) is connected with the first movable section (622).
4. A device for measuring resilience performance of foam for seats according to claim 3, wherein said first movable section (622) is two, one of said first movable section (622) is connected to a first end of said first fixed section (621), and the other of said first movable section (622) is connected to a second end of said first fixed section (621), said telescopic assembly further comprising: The second telescopic rod (63), the second telescopic rod (63) comprises a second fixed section (631) and a second movable section (632), the second fixed section (631) is connected with one of the two first movable sections (622), the second fixed section (631) is arranged at a third included angle with the first movable sections (622), the second movable section (632) is movably arranged along the length direction of the second fixed section (631), and part of the displacement sensor (5) is connected with the first movable sections (622) through the second movable section (632); The third telescopic link (64), third telescopic link (64) include third fixed section (641) and third movable section (642), third fixed section (641) with two another in first movable section (622) is connected, third fixed section (641) with first movable section (622) become the fourth contained angle setting, third movable section (642) are followed the length direction of third fixed section (641) is movably set up, and part displacement sensor (5) are passed through third movable section (642) with first movable section (622) are connected.
5. The device according to claim 4, characterized in that a part of the displacement sensor (5) is movably arranged with respect to the second movable section (632) in a first direction, which is perpendicular to the length direction of the second movable section (632), and/or a part of the displacement sensor (5) is movably arranged with respect to the third movable section (642) in a second direction, which is perpendicular to the length direction of the third movable section (642).
6. The seat foam resilience performance measurement device according to claim 4, wherein the two first movable segments (622) of the first telescopic rod (62) are connected by a first locking mechanism (7), the first locking mechanism (7) comprising: The first locking wheel (71), the first locking wheel (71) is provided with a first rotary rod (72), the first locking wheel (71) is rotationally connected with the first fixing section (621) through the first rotary rod (72), and the first locking wheel (71) is arranged in the first fixing section (621); -a first engagement tooth (73), said first engagement tooth (73) being connected to one of the two first movable segments (622), said first engagement tooth (73) being engaged with said first locking wheel (71); -a second meshing tooth (74), said second meshing tooth (74) being connected to the other of the two first movable segments (622), said second meshing tooth (74) meshing with said first locking wheel (71), said second meshing tooth (74) being disposed opposite said first meshing tooth (73) in the radial direction of said first locking wheel (71).
7. The seat foam resilience performance measurement device according to any one of claims 1 to 6, wherein the third support rod (4) is connected to the second support rod (3) through a first movable block (41), the first movable block (41) is connected to the second support rod (3) through a second lock mechanism (411), the second lock mechanism (411) has a first unlock position that makes the first movable block (41) movable in a length direction of the second support rod (3), the third support rod (4) is connected to the first movable block (41) through a third lock mechanism (412), and the third lock mechanism (412) has a second unlock position that makes the third support rod (4) rotate relative to the first movable block (41).
8. The seat foam resilience performance measurement device according to claim 7, wherein the first movable block (41) is provided with an angle dial (42), a part of the third support rod (4) is arranged at the center of the angle dial (42) in a penetrating manner, one end, far away from the first movable block (41), of the third support rod (4) is provided with a rotary pointer (43), and the end of the rotary pointer (43) extends to a scale ring on the angle dial (42).
9. The seat foam resilience performance measurement device according to claim 7, wherein the second locking mechanism (411) and/or the third locking mechanism (412) are fastening screws, which are screwed with the first movable block (41).
10. The seat foam resilience performance measurement device according to any one of claims 1 to 6, wherein the second support bar (3) is connected to the first support bar (2) through a second movable block (31), the second movable block (31) is connected to the first support bar (2) through a fourth locking mechanism (32), the fourth locking mechanism (32) comprises: The first bevel gear (321) is rotationally connected with the second movable block (31), and the inner ring of the first bevel gear (321) is in threaded connection with the first supporting rod (2); The second bevel gear (322), second bevel gear (322) pass through second dwang (323) with second movable block (31) rotation connection, second bevel gear (322) with first bevel gear (321) meshing.

Description

Seat foam resilience performance measuring device Technical Field The invention relates to the technical field of resilience performance measurement of seat foam, in particular to a device for measuring resilience performance of seat foam. Background In the development process of automobile seats, the rebound performance and durability of foam materials are key indexes for influencing riding comfort and product life. Most foam performance detection equipment only supports Z-axis unidirectional vertical compression test, a test object is limited by an independent sponge sample with a regular geometric shape, in-situ measurement is difficult to carry out on a real seat assembly, complex load distribution of human body multipoint contact cannot be simulated, multi-angle and multi-azimuth accurate positioning and parameter recording cannot be realized, obvious deviation exists between test data and actual use conditions, and the design optimization of a seat structure with accurate support is difficult to support. Aiming at the technical problem that the deviation between test data and actual use working conditions of foam performance detection equipment in the prior art is large, no effective solution is proposed at present. Disclosure of Invention The invention mainly aims to provide a device for measuring the rebound resilience performance of foam of a seat, which is used for solving the technical problem that test data of foam performance detection equipment in the prior art have larger deviation from actual use conditions. In order to achieve the aim, according to one aspect of the invention, a device for measuring the rebound resilience performance of foam of a seat is provided, which comprises a base, a supporting component and a measuring component, wherein the supporting component is connected with the base and comprises a first supporting rod, a second supporting rod and a third supporting rod, the first supporting rod extends in the vertical direction, the second supporting rod and the third supporting rod extend in the horizontal direction, the second supporting rod is movably arranged in the height direction of the first supporting rod, the third supporting rod and the second supporting rod form a first included angle, the third supporting rod is movably arranged in the length direction of the second supporting rod, the measuring component is connected with the third supporting rod, and the measuring component comprises a plurality of displacement sensors which are rotatably arranged around the axis of the third supporting rod. Further, the third support rod is rotatably arranged relative to the second support rod, the rotation axis of the third support rod is arranged in line with the axis of the third support rod, the measuring assembly further comprises a support frame, the support frame is connected with the third support rod, the plurality of displacement sensors are connected with the support frame, and the plurality of displacement sensors are arranged in an adjustable mode relative to the position of the support frame. Further, the support frame comprises a connecting rod, a first supporting rod and a second supporting rod, wherein the connecting rod is connected with the third supporting rod and forms a second included angle with the third supporting rod; the telescopic assembly comprises a first telescopic rod, the first telescopic rod comprises a first fixed section and a first movable section, the first fixed section is connected with the connecting rod, the first movable section is movably arranged along the length direction of the first fixed section, and the displacement sensor is connected with the first movable section. Further, the two first movable sections are arranged, one first movable section is connected with the first end of the first fixed section, the other first movable section is connected with the second end of the first fixed section, the telescopic assembly further comprises a second telescopic rod, the second telescopic rod comprises a second fixed section and a second movable section, the second fixed section is connected with one of the two first movable sections, the second fixed section and the first movable section are arranged at a third included angle, the second movable section is movably arranged along the length direction of the second fixed section, part of displacement sensor is connected with the first movable section through the second movable section, the third telescopic rod comprises a third fixed section and a third movable section, the third fixed section is connected with the other of the two first movable sections, the third fixed section is arranged at a fourth included angle with the first movable section, the third movable section is movably arranged along the length direction of the third fixed section, and part of displacement sensor is connected with the first movable section through the third movable section. Further, the partial displace