CN220729517U - Automobile turnover headrest force measuring tool and device - Google Patents
Automobile turnover headrest force measuring tool and device Download PDFInfo
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- CN220729517U CN220729517U CN202321847411.5U CN202321847411U CN220729517U CN 220729517 U CN220729517 U CN 220729517U CN 202321847411 U CN202321847411 U CN 202321847411U CN 220729517 U CN220729517 U CN 220729517U
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- headrest
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- wire harness
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- 230000007306 turnover Effects 0.000 title claims abstract description 79
- 238000005259 measurement Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Abstract
The utility model provides a force measuring tool and device for an automobile turnover headrest. This car turns over a headrest dynamometry frock for measure the car and turn over a headrest turn over a operation power and unlocking force, the car turns over a headrest and contains the headrest body, has the mechanism of turning over of pencil assembly and two headrest guide arms, and pencil assembly has the pencil that the lower tip stretches out the lower terminal surface of a headrest guide arm, includes: the mounting rack is used for fixed mounting; the guide rod wire harness fixing part is arranged on the mounting frame and used for fixing the two headrest guide rods and the lower end parts of the wire harnesses; the turnover frame is positioned above the guide rod wire harness fixing part, and one end part of the turnover frame is rotatably arranged on the mounting frame; the roll-over stand driving part is connected with the roll-over stand and used for driving the roll-over stand to rotate towards or away from the guide rod wire harness fixing part; the headrest body fixing part is arranged on the roll-over stand and used for fixing the headrest body; and the dynamometer is fixedly arranged below the guide rod wire harness fixing part and is connected with the core wire connector on the lower end part of the wire harness.
Description
Technical Field
The utility model belongs to the technical field of automobile part assembly verification force values, and particularly relates to an automobile turnover headrest force measuring tool and device.
Background
The automobile turnover headrest shown in fig. 1 and 2 is a common component on an automobile, and has the advantage of adjusting the height of the headrest to better fit the head of a human body, and plays an important role in riding comfort and safety.
In view of the structural characteristics of the automobile turnover headrest, the automobile turnover headrest is only suitable for manual assembly, and the turnover and unlocking performances of the headrest are uneven due to errors of single parts and errors of manual assembly. The overturning operation force and the unlocking force of the headrest are required to be detected after manual assembly, and whether the headrest meets the use requirement or not is detected.
At present, the detection of the overturning and unlocking performance of the automobile turnover headrest is mainly to manually simulate the overturning and unlocking of the headrest, and whether the turnover headrest meets the use requirement is judged according to experience, so that the turnover headrest is low in efficiency, high in labor intensity and incapable of obtaining a specific overturning operation force value and unlocking force value.
Disclosure of Invention
The utility model aims to solve the technical problems and aims to provide an automobile turnover headrest force measuring tool and device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
< protocol one >
The utility model provides an automobile turnover headrest force measuring tool for measuring turnover operation force and unlocking force of an automobile turnover headrest, which comprises a headrest body, a turnover mechanism with a wire harness assembly and two headrest guide rods, wherein the wire harness assembly is provided with a wire harness, the lower end part of the wire harness extends out of the lower end face of one headrest guide rod, and the automobile turnover headrest force measuring tool has the characteristics that: the mounting rack is used for fixed mounting; the guide rod wire harness fixing part is arranged on the mounting frame and used for fixing the two headrest guide rods and the lower end parts of the wire harnesses; the turnover frame is positioned above the guide rod wire harness fixing part, and one end part of the turnover frame is rotatably arranged on the mounting frame; the roll-over stand driving part is connected with the roll-over stand and used for driving the roll-over stand to rotate towards or away from the guide rod wire harness fixing part; the headrest body fixing part is arranged on the roll-over stand and used for fixing the headrest body; and the dynamometer is fixedly arranged below the guide rod wire harness fixing part and is connected with the core wire connector on the lower end part of the wire harness.
In the automobile turnover headrest force measuring tool provided by the utility model, the tool also has the following characteristics: the guide rod wire harness fixing part comprises a guide rod wire harness locating unit and a guide rod compressing unit, the guide rod wire harness locating unit is provided with a guide rod locating block matched with the shape of the lower end parts of the two headrest guide rods and a wire harness locating block matched with the shape of the lower end parts of the wire harness, the guide rod compressing unit is provided with two compressing blocks respectively corresponding to the two headrest guide rods and two compressing block driving parts respectively corresponding to the two compressing blocks and used for driving the corresponding compressing blocks to rotate towards or away from the guide rod locating block, and when the compressing block driving parts drive the corresponding compressing blocks to rotate towards the guide rod locating block, the compressing blocks compress the corresponding headrest guide rods on the guide rod locating block.
In the automobile turnover headrest force measuring tool provided by the utility model, the tool also has the following characteristics: the headrest body fixing part comprises a fixing frame and a fastening unit, the fixing frame is fixedly arranged on the other end part of the turnover frame, the inside of the fixing frame is provided with a shape matched with the upper end part of the headrest body, the fastening unit is provided with a supporting block, two end part fastening bolts and two side part fastening bolts, the supporting block is fixedly arranged on the turnover frame and used for being contacted with the middle position of the front end surface or the rear end surface of the upper end part of the headrest body, the two end part fastening bolts are symmetrically arranged on the end part of the fixing frame far away from the turnover frame and used for being abutted against the rear end surface or the front end surface of the upper end part of the headrest body, and the two side part fastening bolts are respectively arranged on the left side part and the right side part of the fixing frame and used for being abutted against the left side surface and the right side surface of the upper end part of the headrest body.
In the automobile turnover headrest force measuring tool provided by the utility model, the tool also has the following characteristics: the headrest body fixing part further comprises two positioning rods for positioning the left side part and the right side part of the lower end part of the headrest body, and the two positioning rods are respectively arranged on the left side part and the right side part of the roll-over stand.
In the automobile turnover headrest force measuring tool provided by the utility model, the tool also has the following characteristics: the turnover frame is installed on the installation frame through two bearing seats and two rotating shafts, the two bearing seats respectively correspond to the left side part and the right side part of the turnover frame, the two bearing seats are fixedly arranged on the installation frame, the two rotating shafts are respectively rotatably installed on the two bearing seats and are respectively fixedly connected with the left side part and the right side part of the turnover frame, the turnover frame driving part comprises a turnover driving member, two driving wheels and two annular driving belts, the turnover driving member is fixedly arranged on the installation frame, a driving shaft of the turnover driving member is provided with two end parts respectively corresponding to the two rotating shafts, the two driving wheels respectively correspond to the two rotating shafts, one driving wheel of each driving wheel is installed on the corresponding rotating shaft, the other driving wheel of each driving wheel is installed on one end part of the driving shaft of the turnover driving member, and the two annular driving belts are respectively installed on the two driving wheels of each driving wheel.
In the automobile turnover headrest force measuring tool provided by the utility model, the tool also has the following characteristics: wherein, the turnover driving component adopts a servo motor.
< protocol two >
The utility model also provides an automobile turnover headrest force measuring device, which has the characteristics that: a frame; and the force measuring tool is arranged on the frame and used for measuring the turning operation force and unlocking force of the automobile turning headrest, wherein the force measuring tool is an automobile turning headrest force measuring tool in the scheme I.
The actions and effects of the utility model
According to the automobile turnover headrest force measuring tool and device, the guide rod wire harness fixing part, the turnover frame driving part, the headrest body fixing part and the force measuring instrument are arranged, the guide rod wire harness fixing part can fix the lower ends of two headrest guide rods and the wire harness, the turnover frame can rotate towards or away from the guide rod wire harness fixing part under the driving of the turnover frame driving part, the headrest body fixing part is arranged on the turnover frame and can fix the headrest body, and the force measuring instrument is fixedly arranged below the guide rod wire harness fixing part and is connected with a core wire connector on the lower end part of the wire harness, so that the turnover operation force and unlocking force of the automobile turnover headrest can be measured, and a specific turnover operation force value and unlocking force value can be obtained; moreover, the structure is simple, and the operation is simple and convenient.
Drawings
FIG. 1 is a schematic perspective view of a vehicle fold-over headrest in accordance with an embodiment of the present utility model;
FIG. 2 is an exploded view of an automotive folding headrest in an embodiment of the present utility model;
FIG. 3 is a front view of an automotive folded headrest force measuring device in an embodiment of the utility model;
FIG. 4 is a front view of a force measurement tool in an unfolded state according to an embodiment of the present utility model;
FIG. 5 is a schematic rear perspective view of a force measuring tool in an unfolded state according to an embodiment of the present utility model;
FIG. 6 is a front view of a force measurement tool in a folded state in an embodiment of the utility model; and
fig. 7 is a schematic rear perspective view of a force measuring tool in a folded state in an embodiment of the utility model.
Detailed Description
The conception, specific structure, and technical effects of the present utility model will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present utility model.
< example >
FIG. 1 is a schematic perspective view of a vehicle fold-over headrest in accordance with an embodiment of the present utility model; fig. 2 is an exploded view of an automotive folded headrest in an embodiment of the utility model.
As shown in fig. 1 and 2, in the present embodiment, the automotive fold-over headrest 300 includes a headrest body 310, a fold-over mechanism 320, and two headrest guide rods 330.
The headrest body 310 is composed of a front cover plate 311 and a rear cover plate 312 which are fastened to each other.
The turnover mechanism 320 is used for turning the headrest body 310 relative to the two headrest guide rods 330, and comprises a turnover assembly 321, a wire harness assembly 322, a spring 323, a slider 324, a screw 325 and a wire harness plastic chuck 326 which are embedded in the headrest body 310. The wire harness assembly 322 has a wire harness 322a having a lower end portion passing through one headrest guide 330 and protruding from a lower end face of the headrest guide 330, the lower end portion of the wire harness 322a having a core wire connector 322b.
The two headrest guide rods 330 are arranged at intervals, and the upper end parts of the two headrest guide rods extend into the headrest body 310 and are connected with the turnover assembly 321.
Fig. 3 is a front view of an automotive folded headrest force measuring device in an embodiment of the utility model.
As shown in fig. 3, in the present embodiment, the automobile fold-back headrest force measuring device 100 is used to measure the folding operation force and the unlocking force of the automobile fold-back headrest 300. The automobile turnover headrest force measuring device 100 comprises a frame 10, a force measuring tool 20 and a control device 30.
As shown in fig. 3, the frame 10 is used for mounting a force measuring tool 20 and a control device 30.
FIG. 4 is a front view of a force measurement tool in an unfolded state according to an embodiment of the present utility model; FIG. 5 is a schematic rear perspective view of a force measuring tool in an unfolded state according to an embodiment of the present utility model; FIG. 6 is a front view of a force measurement tool in a folded state in an embodiment of the utility model; fig. 7 is a schematic rear perspective view of a force measuring tool in a folded state in an embodiment of the utility model.
As shown in fig. 3 to 7, the force measuring tool 20 is provided on the frame 10, and includes a mounting bracket 21, a guide wire harness fixing portion 22, a roll-over stand 23, a roll-over stand driving portion 24, a headrest body fixing portion 25, and a force measuring instrument 26.
As shown in fig. 3 to 7, the mounting bracket 21 is fixedly mounted on the frame 10 for mounting the guide wire harness fixing portion 22, the roll-over stand 23, the roll-over stand driving portion 24, the headrest body fixing portion 25, and the dynamometer 26.
As shown in fig. 3, 4 and 6, a guide wire harness fixing portion 22 is provided on the mounting bracket for fixing the two headrest guide wires 330 and the lower end portion of the harness 322 a. The guide wire harness fixing portion 22 includes a guide wire harness positioning unit 221 and a guide wire pressing unit 222.
The guide bar harness positioning unit 221 has a guide bar positioning block 221a that matches the shape of the lower end portions of the two headrest guide bars 330, and a harness positioning block 221b that matches the shape of the lower end portion of the harness 332 a. In the present embodiment, the guide bar positioning block 221a has two guide bar positioning grooves corresponding to and matching the two headrest guide bars 330, respectively, and the harness positioning block 221b has a harness positioning groove corresponding to and matching the lower end portion of the harness 332 a.
The guide bar pressing unit 222 has two pressing blocks 222a provided corresponding to the two headrest guide bars 330, respectively, and two pressing block driving parts 222b corresponding to the two pressing blocks 222a, respectively, for driving the corresponding pressing blocks 222a to rotate toward or away from the guide bar positioning blocks 221 a. When the pressing block driving part 222b drives the corresponding pressing block 222a to rotate toward the guide bar positioning block 221a, the pressing block 222a presses the corresponding headrest guide 330 into the guide bar positioning groove on the guide bar positioning block 221 a. In the present embodiment, the two pressing block driving parts 222b constitute a manual clamp structure.
As shown in fig. 3 to 7, the roll-over stand 23 is for mounting the headrest body fixing portion 25, one end portion (i.e., the lower end portion as shown in fig. 4) of which is rotatably mounted on the mounting bracket 21 through two bearing seats 231 and two rotating shafts 232 so as to be rotatable toward or away from the guide bar harness positioning unit 221.
The two bearing seats 231 correspond to the left and right side portions of the roll-over stand 23, respectively, and are fixedly provided on the mounting frame 21.
The two rotating shafts 232 are rotatably installed on the two bearing seats 231, respectively, and fixedly connected with the left and right side portions of the roll-over stand 23, respectively.
As shown in fig. 4 to 7, the roll-over stand driving part 24 is for driving the roll-over stand 23 to rotate toward or away from the guide wire harness fixing part 22, and includes a roll-over driving member 241, two pairs of driving wheels 242, and two endless belts 243.
The flip driving member 241 is fixedly provided on the mounting frame 21, and its driving shaft has two ends respectively corresponding to the two rotating shafts 232. In this embodiment, the inversion driving member 241 employs a servo motor.
The two pairs of driving wheels 242 respectively correspond to the two rotating shafts 232; one of each pair of driving wheels 242 is mounted on the corresponding rotation shaft 232, and the other is mounted on one end of the driving shaft of the reverse driving member 241.
The two endless belts 243 are respectively mounted on the two driving wheels 242, and drive the two rotating shafts 232 to rotate under the driving of the turning driving member 241, so as to drive the turning frame 23 to rotate toward or away from the guide rod wire harness positioning unit 221.
As shown in fig. 3 to 7, a headrest body fixing portion 25 is provided on the roll-over stand 23 for fixing the headrest body 310. The headrest body fixing portion 25 includes a fixing frame 251, a fastening unit 252, and two positioning rods 253.
The fixing frame 251 is fixedly provided on the upper end portion of the roll-over stand 23, and has a shape matching the headrest body 310 inside. In this embodiment, the fixing frame 251 has a "C" shape; is mounted on an end surface of the upper end portion of the roll-over stand 23 remote from the guide bar harness positioning unit 221.
The fastening unit 252 has a support block 252a, two end fastening bolts 252b, and two side fastening bolts 252c.
The support block 252a is fixedly provided on the roll-over stand 23 at a notch of the fixing frame 251 for contact with an intermediate position of the front end face of the upper end portion of the headrest body 310.
The two end fastening bolts 252b are symmetrically installed at intervals on the end of the fixing frame 251 remote from the roll-over stand for abutting against the rear end face of the upper end of the ram body 310.
Two side fastening bolts 252c are respectively installed at the left and right sides of the fixing frame 251 for abutting against the left and right sides of the upper end portion of the ram body 310.
Two positioning rods 253 are provided on the left and right side portions of the roll-over stand 23, respectively, for positioning the left and right side portions of the lower end portion of the headrest body 310. In this embodiment, the positioning rod 252 is disposed coaxially with the corresponding rotating shaft 232.
As shown in fig. 3, 4 and 6, the load cell 26 is provided below the guide wire harness fixing portion 22 and connected to the core wire connector 322b of the lower end portion of the wire harness 322a for measuring the force value of the turning operation force and unlocking force of the headrest.
As shown in fig. 3, the control device 30 is provided on the rack 10, and includes a control box 31 having a PLC (programmable logic controller) provided therein and a display screen 32.
The PLC in the control box 31 is respectively in communication connection with the overturning driving member 241 and the dynamometer 26 in the dynamometer tooling 20, and is used for controlling the overturning driving member 241 to work so as to drive the headrest body 310 on the overturning frame 23 to rotate relative to the headrest guide rod 330, acquiring a measured overturning operation force value and an unlocking force value from the dynamometer 26, and judging whether the use requirement is met according to the measured overturning operation force value and the unlocking force value. In this embodiment, the force value requirements of the headrest are: the folding operation force is 8-30N, and the unlocking force is 10-30N.
The display screen 32 is used for displaying the operating state of the force measuring device 100, the folding operation force and the unlocking force.
As shown in fig. 3 to 7, the operation procedure of the vehicle turnover headrest force measuring device 100 in the present embodiment is as follows:
in step S1, the to-be-detected automotive turnover headrest 300 is placed in the force measuring tool 20, at this time, the upper end of the headrest body 310 is inserted into the fixing frame 251 of the headrest body fixing portion 25, the two headrest guide rods 330 are located in the two guide rod locating grooves on the guide rod locating block 221a, and the lower end of the two wire harnesses 322a are located in the wire harness locating grooves on the wire harness locating block 221b, as shown in fig. 4.
Step S2, tightening the end portion fastening bolts 252b and the side portion fastening bolts 252c, respectively, to fix the upper end portion of the headrest body 310; the pressing block driving part 222b drives the corresponding pressing block 222a to rotate toward the guide bar positioning block 221a, and the pressing block 222a presses the corresponding headrest guide 330 into the guide bar positioning groove on the guide bar positioning block 221a, as shown in fig. 4.
In step S3, the load cell 26 is connected to the core wire connector 332b at the lower end of the cord 332 a.
In step S4, the control device 30 controls the turnover driving member 241 to operate, and drives the turnover frame 23 to rotate downward via the endless belt 243, so that the headrest body 310 turns downward by 80 °, and the force measuring device 26 measures the force value of the turnover operation force, as shown in fig. 6.
In step S5, the control device 30 controls the turnover driving member 241 to operate, and drives the turnover frame 23 to rotate upwards via the endless conveyor belt 243, so that the headrest body 310 is reset upwards, and the force measuring instrument 26 measures the force value of the unlocking force.
Step S6, the compression block driving part 222b drives the corresponding compression block 222a to rotate away from the guide rod positioning block 221a, and the fixation of the headrest guide rod 330 is released; the end fastening bolts 252b and the side fastening bolts 252c are unscrewed, the upper end of the headrest body 310 is released from being fixed, and the automobile rollover headrest 300 is taken down from the force measurement tool 20, so that the force measurement work of one headrest is completed.
Example operation and Effect
According to the automobile turnover headrest force measurement tool and device, the automobile turnover headrest force measurement tool and device comprises the guide rod wire harness fixing part, the turnover frame driving part, the headrest body fixing part and the force measuring instrument, wherein the guide rod wire harness fixing part can fix the lower ends of two headrest guide rods and wire harnesses, the turnover frame can rotate towards or away from the guide rod wire harness fixing part under the driving of the turnover frame driving part, the headrest body fixing part is arranged on the turnover frame and can fix the headrest body, and the force measuring instrument is fixedly arranged below the guide rod wire harness fixing part and is connected with the core wire connector on the lower end of the wire harness, so that the turnover operation force and unlocking force of the automobile turnover headrest can be measured, and a specific turnover operation force value and unlocking force value can be obtained; moreover, the structure is simple, and the operation is simple and convenient.
The above embodiments are preferred examples of the present utility model, and are not intended to limit the scope of the present utility model.
Claims (7)
1. The utility model provides an automobile turns over a headrest dynamometry frock for measure the automobile and turn over a headrest turn over a power of operation and unlocking, the automobile turns over a headrest and contains the headrest body, has the turnover mechanism of pencil assembly and two headrest guide arms, the pencil assembly has the lower tip stretch out one the pencil of headrest guide arm's lower terminal surface, its characterized in that includes:
the mounting rack is used for fixed mounting;
the guide rod wire harness fixing part is arranged on the mounting frame and used for fixing the two headrest guide rods and the lower end parts of the wire harnesses;
the turnover frame is positioned above the guide rod wire harness fixing part, and one end part of the turnover frame is rotatably arranged on the mounting frame;
the roll-over stand driving part is connected with the roll-over stand and used for driving the roll-over stand to rotate towards or away from the guide rod wire harness fixing part;
the headrest body fixing part is arranged on the roll-over stand and used for fixing the headrest body; and
and the dynamometer is fixedly arranged below the guide rod wire harness fixing part and is connected with the core wire connector on the lower end part of the wire harness.
2. The automotive flip headrest force measurement tool of claim 1, wherein:
wherein the guide rod wire harness fixing part comprises a guide rod wire harness positioning unit and a guide rod compressing unit,
the guide rod wire harness positioning unit is provided with a guide rod positioning block matched with the shape of the lower end parts of the two headrest guide rods and a wire harness positioning block matched with the shape of the lower end parts of the wire harnesses,
the guide rod compressing unit is provided with two compressing blocks which are respectively arranged corresponding to the two headrest guide rods and two compressing block driving parts which are respectively corresponding to the two compressing blocks and are used for driving the corresponding compressing blocks to rotate towards or away from the guide rod positioning block,
when the compressing block driving part drives the corresponding compressing block to rotate towards the guide rod positioning block, the compressing block compresses the corresponding headrest guide rod on the guide rod positioning block.
3. The automotive flip headrest force measurement tool of claim 1, wherein:
wherein the headrest body fixing part comprises a fixing frame and a fastening unit,
the fixed frame is fixedly arranged on the other end part of the roll-over stand, the inside of the fixed frame is provided with a shape matched with the upper end part of the headrest body,
the fastening unit has a support block, two end fastening bolts, and two side fastening bolts,
the supporting block is fixedly arranged on the roll-over stand and is used for contacting with the middle position of the front end face or the rear end face of the upper end part of the headrest body,
the two end fastening bolts are symmetrically arranged at intervals on the end part of the fixed frame far away from the roll-over stand and used for propping against the rear end face or the front end face of the upper end part of the headrest body,
the two side fastening bolts are respectively arranged at the left side and the right side of the fixed frame and used for propping against the left side and the right side of the upper end part of the headrest body.
4. The automotive flip headrest force measurement tool of claim 3, wherein:
the headrest body fixing part further comprises two positioning rods used for positioning the left side part and the right side part of the lower end part of the headrest body, and the two positioning rods are respectively arranged on the left side part and the right side part of the roll-over stand.
5. The automotive flip headrest force measurement tool of claim 1, wherein:
wherein the roll-over stand is arranged on the mounting frame through two bearing seats and two rotating shafts,
the two bearing seats respectively correspond to the left side part and the right side part of the turnover, and are fixedly arranged on the mounting frame,
the two rotating shafts are respectively and rotatably arranged on the two bearing seats and are respectively and fixedly connected with the left side part and the right side part of the roll-over stand,
the roll-over stand driving part comprises a roll-over driving component, two pairs of driving wheels and two annular driving belts,
the turnover driving member is fixedly arranged on the mounting frame, the driving shaft of the turnover driving member is provided with two end parts corresponding to the two rotating shafts respectively,
the two pairs of driving wheels respectively correspond to the two rotating shafts, one of the driving wheels of each pair is arranged on the corresponding rotating shaft, the other driving wheel of each pair is arranged on one end part of the driving shaft of the turnover driving member,
the two annular driving belts are respectively arranged on the two driving wheels.
6. The automotive flip headrest force measurement tool of claim 1, wherein:
wherein, the upset drive component adopts servo motor.
7. An automotive folded headrest force measuring device, comprising:
a frame; and
the force measuring tool is arranged on the frame and used for measuring the turning operation force and unlocking force of the automobile turning headrest,
wherein the force measuring tool is an automobile turnover headrest force measuring tool as claimed in any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847411.5U CN220729517U (en) | 2023-07-13 | 2023-07-13 | Automobile turnover headrest force measuring tool and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847411.5U CN220729517U (en) | 2023-07-13 | 2023-07-13 | Automobile turnover headrest force measuring tool and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220729517U true CN220729517U (en) | 2024-04-05 |
Family
ID=90487051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321847411.5U Active CN220729517U (en) | 2023-07-13 | 2023-07-13 | Automobile turnover headrest force measuring tool and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220729517U (en) |
-
2023
- 2023-07-13 CN CN202321847411.5U patent/CN220729517U/en active Active
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