CN211374093U - Experimental device for be used for studying healthy travelling comfort of desk chair - Google Patents
Experimental device for be used for studying healthy travelling comfort of desk chair Download PDFInfo
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- CN211374093U CN211374093U CN201922363250.2U CN201922363250U CN211374093U CN 211374093 U CN211374093 U CN 211374093U CN 201922363250 U CN201922363250 U CN 201922363250U CN 211374093 U CN211374093 U CN 211374093U
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Abstract
The utility model relates to an experimental apparatus for be used for studying healthy travelling comfort of desk chair, including bottom plate subassembly, the seat back of the chair height difference detection mechanism and the pressure pad fixed establishment who is used for placing desk and chair, seat back of the chair height difference detection mechanism sets up on pressure pad fixed establishment upper portion, seat back of the chair height difference detection mechanism includes that two liang of perpendicular slip set up X axle regulation pole, Y axle regulation pole, Z axle regulation pole to and displacement sensor, X axle regulation pole is last, Y axle regulation pole is last, all be equipped with the position locking piece on the Z axle regulation pole, displacement sensor is connected with Z axle regulation pole one end through the upset regulating block, and the upset regulating block makes displacement sensor just to the seat or the back of the chair. The device of the utility model is reasonable in structure and convenient in operation.
Description
Technical Field
The utility model relates to a furniture product check out test set especially relates to an experimental apparatus for be used for studying healthy travelling comfort of desk chair.
Background
A desk and chair is a desk and chair used by students in class, and is also called a student desk and chair and a school desk and chair. The desk and chair can be divided according to age, material and function. At present, the structures and the shapes of the desk and chair for the middle and primary schools are common, the middle and primary school students can easily feel serious fatigue after daily use, and some of the desk and chair are self-called ergonomic chairs, and the designed shapes are unreasonable, so that the health and the comfort of the students are affected.
When students use desks and chairs, the sitting postures of the students are divided into forward-leaning writing postures and upright backward-leaning lesson-listening postures, the buttocks of the writing postures are usually only 1/2-2/3 of the seat surface, the buttocks of the lesson-listening postures occupy 2/3-3/4 of the seat surface, and the distances between the desk chair and the desk are different. Meanwhile, the heights at different ages are different, the requirements on the comfort level of desks and chairs are also different, and related researches need to be carried out.
Disclosure of Invention
In order to solve the technical problem, the utility model aims at providing an experimental apparatus for studying the healthy travelling comfort of desk chair, the device is rational in infrastructure, convenient operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an experimental apparatus for be used for studying healthy travelling comfort of desk chair, includes bottom plate subassembly, the seat back of the chair height difference detection mechanism and the pressure pad fixed establishment that are used for placing desk and chair, seat back of the chair height difference detection mechanism sets up on pressure pad fixed establishment upper portion, seat back of the chair height difference detection mechanism includes that two liang of vertical sliding set up X axle regulation pole, Y axle regulation pole, Z axle regulation pole to and displacement sensor, X axle regulation pole is last, Y axle regulation pole is last, all be equipped with the position locking piece on the Z axle regulation pole, displacement sensor is connected through upset regulating block and Z axle regulation pole one end, and the upset regulating block makes displacement sensor just to the seat or the back of the chair.
As a preferable scheme: the body pressure pad fixing mechanism comprises a vertical frame and a horizontal adjusting frame movably arranged on the vertical frame through an adjusting block, and a plurality of fixing buckles used for fixing the body pressure pad are further arranged on the horizontal adjusting frame at uniform intervals.
As a preferable scheme: the grudging post includes the stand of both sides and fixes the crossbeam at the stand top, the interval sets up a plurality of fixed buckles on the crossbeam.
As a preferable scheme: the bottom plate assembly comprises a metal section frame, a fixed plate fixed in the middle of the metal section frame and movable plates arranged on two sides of the fixed plate and connected with the metal section frame in a sliding mode, supporting legs on two sides of the desk are arranged on the two movable plates respectively, and the chair is arranged on the fixed plate.
As a preferable scheme: and a plurality of chair leg fixing components used for fixing the chair are also arranged on two sides of the fixing plate on which the chair is arranged in a sliding manner.
As a preferable scheme: the chair leg fixing assembly comprises a vertical rod and a cross rod which are connected through an adjusting block, and a locking screw rod is further arranged at the inner side end of the cross rod in a penetrating mode.
As a preferable scheme: the upset regulating block is first slab and the second slab of one end mutual articulated, the other end and the Z axle of first slab are adjusted the pole and are fixed, the other end and the displacement sensor of second slab are fixed, and first slab and second slab are that the contained angle is 90 degrees or 180 degrees departments spacing.
As a preferable scheme: the regulating block is a connecting block provided with a vertical through hole and a horizontal through hole, and locking bolts are arranged on two sides of the connecting block.
As a preferable scheme: the X-axis adjusting rod, the Y-axis adjusting rod and the Z-axis adjusting rod are all linear guide rails, the position locking block is a sliding block matched with the linear guide rails, the sliding block of the X-axis adjusting rod is fixed with the sliding block of the Y-axis adjusting rod, and the sliding block of the Z-axis adjusting rod is fixed at one end of the X-axis adjusting rod.
The utility model discloses an experimental apparatus for a healthy travelling comfort of desk chair can develop polytype research with this equipment, places guide, desk chair manufacturing enterprise's technical research and development for vast middle and primary school's desk chair and provides the reference value. The utility model discloses a put desk chair on bottom plate assembly, the student sits earlier on the desk chair during the measurement, removes the desk to the position that the experiment required again for research desk and desk chair relative position apart from the relation for the rationality that the student of different position of sitting and different heights used, the distance of desk and desk chair distance, influences student's health and travelling comfort. Secondly, the body pressure distribution of the sitting posture of the student can be measured under the condition that the desk and the chair are used simultaneously, so that the influence of the shape of the chair seat and the shape of the chair back on the sitting comfort of the student is analyzed. And thirdly, the height difference of the curved surfaces of the chair surface and the chair back can be measured, and the height difference is used for comparing different requirements of students of different ages on the chair in experiments.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the chair back height difference detection mechanism of the present invention.
Fig. 3 is a schematic structural view of the body pressure pad fixing mechanism of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
An experimental device for studying the comfort of health of desk and chair as shown in fig. 1-3, including bottom plate subassembly, seat back of the chair height difference detection mechanism 1 and the pressure pad fixed establishment 2 that are used for placing desk 4 and chair 5, seat back of the chair height difference detection mechanism 1 sets up on 2 upper portions of pressure pad fixed establishment, seat back of the chair height difference detection mechanism 1 includes X axle regulation pole 13, Y axle regulation pole 15, Z axle regulation pole 11 that two liang of vertical sliding set up to and displacement sensor 19, X axle regulation pole 13 is last, Y axle regulation pole 15 is last, all be equipped with the position locking piece on the Z axle regulation pole 11, displacement sensor 19 is connected through upset regulating block and Z axle regulation pole 11 one end, and the upset regulating block makes displacement sensor 19 just to seat or the back of the chair.
The body pressure pad fixing mechanism 2 comprises a vertical frame and a horizontal adjusting frame 24 movably arranged on the vertical frame through an adjusting block 22, and a plurality of fixing buckles 23 used for fixing the body pressure pad are further uniformly arranged on the horizontal adjusting frame 24 at intervals.
The grudging post includes the stand 21 of both sides and fixes the crossbeam at stand 21 top, the interval sets up a plurality of fixed buckles 23 on the crossbeam.
The bottom plate assembly comprises a metal section frame 31, a fixing plate 33 fixed in the middle of the metal section frame 31 and movable plates 32 arranged on two sides of the fixing plate 33 and connected with the metal section frame 31 in a sliding mode, supporting legs on two sides of the desk 4 are arranged on the two movable plates 32 respectively, and the chair 5 is arranged on the fixing plate 33.
The chair 5 is also provided with a plurality of leg fixing assemblies 25 for fixing the chair 5, which are slidably arranged on both sides of the fixing plate 33.
The chair leg fixing component 25 comprises a vertical rod and a cross rod which are connected through an adjusting block 22, and a locking screw rod is further arranged at the inner side end of the cross rod in a penetrating mode.
The upset regulating block is first slab 17 and second slab 18 of one end mutual articulated, the other end and the Z axle of first slab 17 are adjusted the pole 11 and are fixed, the other end and the displacement sensor 19 of second slab 18 are fixed, and first slab 17 and second slab 18 are spacing for 90 degrees or 180 degrees departments at the contained angle.
The adjusting block 22 is a connecting block provided with a vertical through hole and a horizontal through hole, and locking bolts are arranged on two sides of the connecting block.
X axle adjusting lever 13, Y axle adjusting lever 15, Z axle adjusting lever 11 are linear guide, the position locking piece is the slider that mutually supports with linear guide, and is equipped with locking screw on the slider, the position locking piece include with X axle adjusting lever 13 sliding connection's first locking piece 14, with Y axle adjusting lever 16 sliding connection's second locking piece 16, with Z axle adjusting lever 11 sliding connection's third locking piece 12, first locking piece 14 and second locking piece 16 are fixed mutually, and third locking piece 12 is fixed in the one end of X axle adjusting lever 13.
When the desk is used, the initial state of the desk is moved to the forefront, so that testers can conveniently enter a test area; during the test process, the tester can adjust the front-back distance of the desk to obtain a more comfortable position.
Then, the regulating body pressure pad fixing mechanism 2 comprises the following specific operation steps:
1. the chair back is close to the equipment upright post and is placed above the fixing plate of the bottom plate component in the left-right center;
2. the seats in various shapes can be fixed on the fixing plate by adjusting the seat fixing component;
3. the tester adjusts the seat to a proper height, and the horizontal adjusting frame is also adjusted to a corresponding position (slightly lower than the seat surface);
4. the seat body pressing cushion is flatly laid on the seat, and the seat body pressing cushion is firmly fixed on the seat by using the fixing buckle on the horizontal adjusting frame;
5. while the other body pressure pad is fixed to the seat back in the same manner.
Finally, the chair seat and chair back height difference detection mechanism 1 is adjusted, and the specific operation steps are as follows:
1. when the height difference value of the chair surface is detected, the height difference section position needing to be detected is selected, and an X-axis adjusting rod or a Y-axis adjusting rod is fixed;
2. adjusting the height of the Z-axis adjusting rod to ensure that the sensor works normally in the detection range of the sensor, and fixing the Z-axis adjusting rod;
3. a tester manually moves the Y axis or the X axis slowly from one end of the seat to the other end of the seat, records data when passing through a higher or lower position of the seat surface, and then calculates a height difference value;
4. when the height difference value of the chair back needs to be tested, the sensor is rotated by 90 degrees, and the rest steps are the same as the above.
The body pressure pad fixing mechanism 2 is used for fixing the body pressure collecting pad so as not to move. The method comprises the following steps: the body pressure collecting pad is firmly fixed on the desk and chair and should not move in sitting. The auxiliary table can be suitable for various desk and chair products in the market, and can ensure that the body pressure pad can be adjusted to the following position in use.
Firstly, the body pressure pad of the seat surface is measured by taking the horizontal plane as the reference when the bottom line of the sensing area of the body pressure pad just contacts the seat surface, and the general adjusting height of the seat surface is 300mm-450 mm.
Secondly, a body pressure collecting pad of the chair back: during measurement, the center axis point of the lower edge of the backrest is vertically mapped to the position of the intersection point of the center axis point and the horizontal plane of the seat surface.
And the central shafts of the two block pressure pads are respectively aligned with the central shafts of the seat surface and the chair back, and the deviation movement of the block pressure pads is not more than 1cm in the use process of normal experiment sitting.
The chair surface and chair back height difference detection mechanism 1 is used for measuring various modeling curved surfaces which simulate leg and hip curve designs on the surfaces of the chair surface and the chair back and testing the difference value of the highest point and the lowest point of the curved surfaces.
The utility model discloses wholly through analysis body pressure distribution and seat height, seat face degree of depth, seat face and the back of the chair height difference value, the healthy safe comfortable characteristic of aassessment desk chair.
It should be noted that the above embodiments are merely representative examples of the present invention. The utility model can also have a plurality of deformations. Any simple modification, equivalent changes and modifications made to the above embodiments according to the essence of the present invention should be considered as belonging to the protection scope of the present invention.
Claims (9)
1. The utility model provides an experimental apparatus for be used for studying healthy travelling comfort of desk chair which characterized in that: including bottom plate subassembly, the seat back of the chair height difference detection mechanism (1) and the pressure pad fixed establishment (2) that are used for placing desk (4) and chair (5), seat back of the chair height difference detection mechanism (1) sets up on pressure pad fixed establishment (2) upper portion, seat back of the chair height difference detection mechanism (1) is including X axle regulation pole (13), Y axle regulation pole (15), Z axle regulation pole (11) that two liang of vertical sliding set up to and displacement sensor (19), X axle regulation pole (13) are gone up, Y axle regulation pole (15) are gone up, all are equipped with the position locking piece on Z axle regulation pole (11), displacement sensor (19) are connected with Z axle regulation pole (11) one end through the upset regulating block, and the upset regulating block makes displacement sensor (19) just to the seat or the back of the chair.
2. The experimental facility for studying the health and comfort of desks and chairs as claimed in claim 1, wherein: body pressure pad fixed establishment (2) include the grudging post and through horizontal adjustment frame (24) of regulating block (22) activity setting on the grudging post, still even interval is equipped with a plurality of fixed buckles (23) that are used for fixed body pressure pad on horizontal adjustment frame (24).
3. The experimental facility for studying the health and comfort of desks and chairs as claimed in claim 2, wherein: the grudging post includes stand (21) of both sides and fixes the crossbeam at stand (21) top, the interval sets up a plurality of fixed buckles (23) on the crossbeam.
4. The experimental facility for studying the health and comfort of desks and chairs as claimed in claim 1, wherein: the bottom plate subassembly includes metal section frame (31), fixes fixed plate (33) at metal section frame (31) middle part to and set up fixed plate (33) both sides and with metal section frame (31) sliding connection's fly leaf (32), the both sides supporting leg of desk (4) sets up respectively on two fly leaves (32), chair (5) set up on fixed plate (33).
5. The experimental facility for studying the health and comfort of desks and chairs as claimed in claim 4, wherein: a plurality of chair foot fixing components (25) used for fixing the chair (5) are also arranged on two sides of the fixing plate (33) where the chair (5) is positioned in a sliding manner.
6. The experimental facility for studying the health and comfort of desks and chairs as claimed in claim 5, wherein: the chair leg fixing component (25) comprises a vertical rod and a cross rod which are connected through an adjusting block (22), and a locking screw rod is further arranged at the inner side end of the cross rod in a penetrating mode.
7. The experimental facility for studying the health and comfort of desks and chairs as claimed in claim 1, wherein: the upset regulating block is first slab (17) and second slab (18) of one end mutual articulated, the other end and the Z axle of first slab (17) are adjusted pole (11) and are fixed, the other end and displacement sensor (19) of second slab (18) are fixed, and first slab (17) and second slab (18) are spacing for 90 degrees or 180 degrees departments at the contained angle.
8. The experimental facility for studying the health and comfort of desks and chairs as claimed in claim 1, wherein: the adjusting block (22) is a connecting block provided with a vertical through hole and a horizontal through hole, and locking bolts are arranged on two sides of the connecting block.
9. The experimental facility for studying the health and comfort of desks and chairs as claimed in claim 1, wherein: the X-axis adjusting rod (13), the Y-axis adjusting rod (15) and the Z-axis adjusting rod (11) are linear guide rails, the position locking block is a sliding block matched with the linear guide rails, the sliding block of the X-axis adjusting rod (13) is fixed with the sliding block of the Y-axis adjusting rod (15), and the sliding block of the Z-axis adjusting rod (11) is fixed at one end of the X-axis adjusting rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922363250.2U CN211374093U (en) | 2019-12-25 | 2019-12-25 | Experimental device for be used for studying healthy travelling comfort of desk chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922363250.2U CN211374093U (en) | 2019-12-25 | 2019-12-25 | Experimental device for be used for studying healthy travelling comfort of desk chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211374093U true CN211374093U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922363250.2U Active CN211374093U (en) | 2019-12-25 | 2019-12-25 | Experimental device for be used for studying healthy travelling comfort of desk chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211374093U (en) |
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- 2019-12-25 CN CN201922363250.2U patent/CN211374093U/en active Active
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