CN211374058U - Electric seat backrest adjusting durability test device - Google Patents
Electric seat backrest adjusting durability test device Download PDFInfo
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- CN211374058U CN211374058U CN201921813501.6U CN201921813501U CN211374058U CN 211374058 U CN211374058 U CN 211374058U CN 201921813501 U CN201921813501 U CN 201921813501U CN 211374058 U CN211374058 U CN 211374058U
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Abstract
The utility model discloses an electric seat back adjusts durability test device relates to electric seat performance detection area, the test device comprises base rack and the static loading mechanism of setting above that, dynamic loading mechanism, seat fixed establishment and control system, control system controls the position control of seat back and the operation of dynamic loading mechanism. The static loading mechanism and the seat fixing mechanism can move back and forth along the base rack. The static loading mechanism is responsible for applying constant torque to the seat back, and the dynamic loading mechanism is responsible for alternately applying transverse force to the seat back, so that the test device is more in line with actual working conditions, the accuracy and consistency of test results are remarkably improved, the automation degree and the test efficiency are improved, and the labor intensity of testers is reduced.
Description
Technical Field
The utility model relates to an electric seat performance detection area, specific theory relates to an electric seat back adjusts durability test device.
Background
As for the adjustment function of the backrest of the electric seat for an automobile, the adjustment function is mostly tested by the same endurance test method, that is, the seat is placed on a seat clamp and then connected to a specific test device to continuously work according to a predetermined number of times or time with a specified voltage and external conditions such as temperature, humidity, dust, etc., and the service life of the seat motor is examined. Although the method can meet the verification effect of the seat, the method does not meet the actual use condition of the seat. The seat can also receive the force applied to the seat by the human body during the use process. Even though some tests are performed by using a false back, a constant force cannot be applied, and the force application direction is single, so that a new technical scheme is urgently needed to solve the problem in the prior art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art existence, make the test condition more accord with operating condition, the utility model provides a durability test device is adjusted to car electric seat back, the device can increase the fatigue performance investigation of actual seat atress when surveying seat motor durability, can be applicable to the automatic test of electric seat durability, and test efficiency is high, and test result accuracy and uniformity are high, and are favorable to reducing testing personnel intensity of labour.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides an electric seat back adjusts durability test device, the device includes base rack, static loading mechanism, dynamic loading mechanism, seat fixed establishment and control system, static loading mechanism is fixed in on the base rack with the slide rail form, and seat fixed establishment and base rack demountable fixing installation, seat fixed establishment top set up the slide rail and are used for connecting by test seat A.
The static loading mechanism and the seat fixing mechanism can move back and forth along the base rack, the static loading mechanism is responsible for applying constant torque to the seat backrest, and the dynamic loading mechanism is responsible for alternately applying transverse force to the seat backrest.
The static loading mechanism comprises a height adjusting device, a guide wheel, a loading arm, a laser centering device, a loading counterweight and a balance counterweight, wherein the laser centering device is arranged at the central axis position of the guide wheel; the height adjusting device is of a rotary handle lead screw structure and comprises a fixing part and a moving part which is sleeved on the fixing part and can move up and down through the rotary handle lead screw, the fixing part is connected with the base rack in a sliding rail mode, the moving part is fixedly connected with a central shaft of the guide wheel, the loading arm is L-shaped, a loading roller is arranged at the front end of the loading arm and contacts with the backrest of the seat through the loading roller to conduct loading, the tail end of the loading arm is fixed on the central shaft of the guide wheel, and the balance weight and the loading weight are respectively arranged on the guide wheel and generate certain torque to the central shaft of the guide wheel, but the torque directions are opposite.
The dynamic loading mechanism is two groups, the dynamic loading mechanism is symmetrically arranged on two sides of the seat fixing mechanism, each dynamic loading mechanism comprises a loading cylinder, a support and a force sensor, the support is fixed on the base rack, the loading cylinders are fixed on the support, the force sensors are arranged at the front ends of the loading cylinders, and the distance H between the height of each loading cylinder and the rotation central axis of the backrest of the tested seat is 25 cm.
The horse wheel is arranged below the base rack, so that the rack can be conveniently moved and fixed in different temperature environments. The control system is prior art and is used to control the position adjustment of the seat back and the operation of the dynamic loading mechanism.
The utility model has the advantages and the technical effect be:
1. the utility model discloses compare with prior art and not only have vertical loading but also horizontal loading to the loading of back to vertical loading is invariable moment, more accords with operating condition, has apparent progress to the accuracy and the uniformity of test result, and has improved degree of automation and test efficiency, has reduced testing personnel's intensity of labour.
2. Static loading mechanism and seat fixed establishment all can follow the base rack back-and-forth movement, and static loading mechanism is responsible for applying invariable moment to the backrest, and dynamic loading mechanism is responsible for applying horizontal power in turn to the backrest, makes this test device more accord with operating condition.
Drawings
Fig. 1 is a three-dimensional structure diagram of the durability test device for adjusting the backrest of the electric seat of the utility model.
Fig. 2 is a side view of the present invention of fig. 1.
The reference numbers of the base platform 1, the static loading mechanism 2, the dynamic loading mechanism 3, the seat fixing mechanism 4, the control system 5, the horse wheel 6, the seat rotation center 7, the height adjusting device 21, the guide wheel 22, the loading arm 23, the laser centering device 24, the moving part 25, the fixed part 26, the loading roller 27, the loading counterweight 28, the balance counterweight 29, the loading cylinder 31, the support 32 and the force sensor 33.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It should be noted that, the terms "front and back, up and down, left and right" and the like in the text are only simplified terms for visually describing the positional relationship based on the drawings, and do not limit the technical solution.
Shown in attached figures 1 and 2: the utility model provides an electric seat back adjusts durability test device, the device includes base rack 1, static loading mechanism 2, dynamic loading mechanism 3, seat fixed establishment 4 and control system 5, static loading mechanism 2 is fixed in base rack 1 with the slide rail form on, seat fixed establishment 4 and base rack 1 demountable fixing installation, seat fixed establishment 4 top sets up the slide rail and is used for connecting by test seat A.
The static loading mechanism 2, the dynamic loading mechanism 3 and the seat fixing mechanism 4 are arranged on the base rack 1 side by side, the static loading mechanism 2 and the seat fixing mechanism 4 can move back and forth along the base rack 1, the static loading mechanism 2 is fixed in a sliding rail mode, and the seat fixing mechanism 4 is detachably connected with the base rack 1.
The static loading mechanism 2 and the seat fixing mechanism 4 can move back and forth along the base rack 1, the static loading mechanism 2 is responsible for applying constant torque to the seat backrest, and the dynamic loading mechanism 3 is responsible for alternately applying transverse force to the seat backrest.
The static loading mechanism 2 comprises a height adjusting device 21, a guide wheel 22, a loading arm 23, a laser centering device 24, a loading counterweight 28 and a balance counterweight 29, wherein the laser centering device 24 is arranged at the central axis position of the guide wheel; the height adjusting device adopts a rotary handle screw rod structure and comprises a fixed part 26 and a moving part 25 which is sleeved on the fixed part 26 and can move up and down through the adjustment of the rotary handle screw rod, the fixed part 26 is connected with the base rack 1 in a sliding rail mode, the moving part 25 is fixedly connected with a central shaft of the guide wheel 22, the loading arm 23 is L-shaped, a loading roller 27 is arranged at the front end of the loading arm 23 and contacts with a seat back through the loading roller 27 to conduct loading, the tail end of the loading arm 23 is fixed on the central shaft of the guide wheel, a balance weight 29 and a loading weight 28 are respectively arranged on the guide wheel 22 and generate certain torque to the central shaft of the guide wheel, but the torque directions are opposite.
During testing, a seat to be tested is fixed on the seat fixing mechanism 4, moved to a proper position and fixed, the static loading mechanism 2 enables the position of the laser centering device 24 to be aligned with the seat rotation center 7 through the height adjusting device 21 and the front and back movement, the self weight of the loading arm 23 is balanced by a certain balance weight 29, the moment of the loading arm to the seat backrest is zero under the condition that the loading weight 28 is not arranged, then the loading weight 28 is applied on the guide wheel 22 and is transmitted to the loading arm 23 through the torque, and the loading roller 27 at the front end of the loading arm acts on the seat backrest A, so that the constant moment effect can be achieved.
The dynamic loading mechanism 3 is two sets of, and the symmetry sets up in 4 both sides of seat fixed establishment, and every dynamic loading mechanism 3 of group contains loading cylinder 31, support 32 and force sensor 33, support 32 is fixed in on base rack 1, loading cylinder 31 fixes on support 32, and loading cylinder 31's front end sets up force sensor 33, and loading cylinder 31's height is 25 centimetres apart from the distance H of being tested seat back centre of rotation axis. When the seat is rotated to the approximate position during the test, the left and right loading cylinders sequentially apply transverse loading to the seat backrest A so as to achieve the durability of the test seat backrest which is more consistent with the working condition, and the force value is monitored through the force sensor during the loading.
The horse wheel 6 is arranged below the base rack 1, so that the rack can be conveniently moved and fixed in different temperature environments. The control system 5 is prior art, and the control system 5 is used for controlling the position adjustment of the seat back and the operation of the dynamic loading mechanism 3.
It is obvious that the above-described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (5)
1. The test device for the adjustment durability of the backrest of the electric seat is characterized by comprising a base rack (1), a static loading mechanism (2), a dynamic loading mechanism (3), a seat fixing mechanism (4) and a control system (5), wherein the static loading mechanism (2), the dynamic loading mechanism (3) and the seat fixing mechanism (4) are arranged on the base rack (1) side by side; the static loading mechanism (2) is fixed in a sliding rail mode; the seat fixing mechanism (4) is detachably connected with the base rack (1), and the static loading mechanism (2) and the seat fixing mechanism (4) can move back and forth along the base rack (1); the dynamic loading mechanisms (3) are two groups and are symmetrically arranged on two sides of the seat fixing mechanism (4).
2. The test device for the adjustment durability of the backrest of the electric seat as claimed in claim 1, wherein the static loading mechanism (2) is fixed on the base stand (1) in a sliding rail manner; a slide rail is arranged above the seat fixing mechanism (4) and is used for connecting the tested seat A.
3. The test device for the adjustment durability of the backrest of the electric seat as claimed in claim 1, wherein the static loading mechanism (2) comprises a height adjusting device (21), a guide wheel (22), a loading arm (23), a laser centering device (24), a loading counterweight (28) and a balance counterweight (29), the laser centering device (24) is arranged at the central axis position of the guide wheel; the height adjusting device adopts a rotary handle lead screw structure and comprises a fixed part (26) and a moving part (25) which is sleeved on the fixed part (26) and can move up and down through the adjustment of the rotary handle lead screw, the fixed part (26) is connected with the base rack (1) in a sliding rail mode, and the moving part (25) is fixedly connected with a central shaft of the guide wheel (22);
the loading arm (23) is L-shaped, a loading roller (27) is arranged at the front end of the loading arm (23) and contacts with the backrest of the seat through the loading roller (27) to conduct loading, and the tail end of the loading arm (23) is fixed on the central shaft of the guide wheel;
the balance weight (29) and the loading weight (28) are respectively arranged on the guide wheel (22) and generate certain torque to the central shaft of the guide wheel, but the torque directions are opposite.
4. The test device for the adjustment durability of the backrest of the electric seat as claimed in claim 1, wherein the dynamic loading mechanism (3) comprises a loading cylinder (31), a bracket (32) and a force sensor (33), the bracket (32) is fixed on the base frame (1); the loading air cylinder (31) is fixed on the support (32), the front end of the loading air cylinder (31) is provided with a force sensor (33), and the distance H from the height of the loading air cylinder (31) to the rotation central axis of the tested seat back is 25 cm.
5. The test device for the adjustment durability of the backrest of the electric seat as claimed in claim 1, wherein a horse wheel (6) is arranged below the base rack (1) to facilitate the movement and fixation of the rack in different temperature environments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921813501.6U CN211374058U (en) | 2019-10-24 | 2019-10-24 | Electric seat backrest adjusting durability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921813501.6U CN211374058U (en) | 2019-10-24 | 2019-10-24 | Electric seat backrest adjusting durability test device |
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| Publication Number | Publication Date |
|---|---|
| CN211374058U true CN211374058U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921813501.6U Active CN211374058U (en) | 2019-10-24 | 2019-10-24 | Electric seat backrest adjusting durability test device |
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| CN (1) | CN211374058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729873A (en) * | 2021-02-03 | 2021-04-30 | 重庆延锋安道拓汽车部件系统有限公司 | Chair folding endurance test tool |
| CN114486230A (en) * | 2022-04-02 | 2022-05-13 | 常州市金甲虫精密机械科技有限公司 | Torque detection device for automobile seat angle adjuster |
-
2019
- 2019-10-24 CN CN201921813501.6U patent/CN211374058U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729873A (en) * | 2021-02-03 | 2021-04-30 | 重庆延锋安道拓汽车部件系统有限公司 | Chair folding endurance test tool |
| CN114486230A (en) * | 2022-04-02 | 2022-05-13 | 常州市金甲虫精密机械科技有限公司 | Torque detection device for automobile seat angle adjuster |
| CN114486230B (en) * | 2022-04-02 | 2022-07-01 | 常州市金甲虫精密机械科技有限公司 | Torque detection device for automobile seat angle adjuster |
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