阅读说明：本技术 一种简易汽车座椅表面高度测量装置 (Simple automobile seat surface height measuring device ) 是由 马景龙 崔万良 徐延涛 于 2021-02-04 设计创作，主要内容包括：本发明公开了一种简易汽车座椅表面高度测量装置,包括底座、竖臂固定器、竖臂固定装置、竖臂、横臂固定装置、横臂、测量尺固定装置和测量尺,所述竖臂固定装置通过竖臂固定器与底座转动连接,所述竖臂固定装置内设有可延竖臂固定装置上下滑动的竖臂,所述竖臂通过横臂固定装置与横臂的一端相连,所述横臂可在横臂固定装置内前后滑动,所述横臂的另一端通过测量尺固定装置与测量尺相连。本发明为柔性连接,不需要来回移动位置就可以测量座椅表面高度的不同点位,而且结构简单、成本低、便于携带、精度高、适用范围广。(The invention discloses a simple automobile seat surface height measuring device which comprises a base, a vertical arm fixer, a vertical arm fixing device, a vertical arm, a cross arm fixing device, a cross arm, a measuring scale fixing device and a measuring scale, wherein the vertical arm fixing device is rotatably connected with the base through the vertical arm fixer, a vertical arm capable of extending the vertical arm fixing device to slide up and down is arranged in the vertical arm fixing device, the vertical arm is connected with one end of the cross arm through the cross arm fixing device, the cross arm can slide back and forth in the cross arm fixing device, and the other end of the cross arm is connected with the measuring scale through the measuring scale fixing device. The invention is in flexible connection, can measure different point positions of the surface height of the seat without moving the position back and forth, and has the advantages of simple structure, low cost, convenient carrying, high precision and wide application range.)

1. The utility model provides a simple and easy car seat surface height measuring device which characterized in that: including base (1), perpendicular arm fixer (2), perpendicular arm fixing device (3), perpendicular arm (4), xarm fixing device (5), xarm (6), dipperstick fixing device (7) and dipperstick (8), perpendicular arm fixing device (3) are connected through perpendicular arm fixer (2) and base (1) rotation, be equipped with in perpendicular arm fixing device (3) and prolong perpendicular arm fixing device (3) gliding perpendicular arm (4) from top to bottom, perpendicular arm (4) link to each other through the one end of xarm fixing device (5) with xarm (6), xarm (6) can slide around in xarm fixing device (5), the other end of xarm (6) passes through dipperstick fixing device (7) and links to each other with dipperstick (8).

2. A simplified vehicle seat surface height measuring apparatus as set forth in claim 1, wherein: the base (1) is provided with a vertical arm heightening guide sleeve mounting hole (1-2) at the bottom, and a pressure balance hole (1-1) is arranged at the bottom of the vertical arm heightening guide sleeve mounting hole (1-2).

3. A simplified vehicle seat surface height measuring device according to claim 1 or 2, characterised in that: the vertical arm fixing device (3) comprises a vertical arm heightening guide sleeve (3-1), a power spring (3-2), a guide sleeve through hole (3-3), a vertical arm height adjusting valve (3-4), a height grade observation hole (3-5) and a first end cover (3-6), the vertical arm heightening guide sleeve (3-1) is rotatably arranged in the vertical arm heightening guide sleeve mounting hole (1-2) through a vertical arm fixer (2), a vertical arm (4) capable of extending the vertical arm heightening guide sleeve (3-1) to slide up and down is arranged in the vertical arm heightening guide sleeve (3-1), the power spring (3-2) is arranged at the bottom of the vertical arm (4), the guide sleeve through hole (3-3) and the height grade observation hole (3-5) are respectively arranged on two sides of the vertical arm heightening guide sleeve (3-1), the vertical arm height adjusting valve (3-4) is arranged on the outer wall of the vertical arm heightening guide sleeve (3-1), the position of the vertical arm height adjusting valve (3-4) is opposite to the position of the guide sleeve through hole (3-3), the vertical arm (4) is controlled to move in the vertical arm heightening guide sleeve (3-1) through the mutual matching of the vertical arm height adjusting valve (3-4) and the guide sleeve through hole (3-3), and a first end cover (3-6) used for sealing the vertical arm is arranged at the top of the vertical arm heightening guide sleeve (3-1).

4. A simplified vehicle seat surface height measuring apparatus as set forth in claim 3, wherein: the vertical arm height adjusting valve (3-4) comprises an adjusting valve body (3-4-1), a thimble (3-4-2) and a spring (3-4-3), the adjusting valve body (3-4-1) is connected with the outer wall of the vertical arm heightening guide sleeve (3-1), the thimble (3-4-2) capable of rotating back and forth is arranged in the adjusting valve body (3-4-1), the spring (3-4-3) is arranged on the thimble (3-4-2), one end of the spring (3-4-3) is connected with the adjusting valve body (3-4-1), and the other end of the spring (3-4-3) is in contact with the outer wall of the vertical arm heightening guide sleeve (3-1).

5. A simplified vehicle seat surface height measuring apparatus as set forth in claim 1, wherein: damping blocks (4-1) are arranged around the lower portion of the vertical arm (4), a first damping gasket (4-2) is arranged on the vertical arm (4) close to the top of the vertical arm fixing device (3), the vertical arm (4) is limited and sealed through the first damping gasket (4-2) and the vertical arm fixing device (3), a plurality of vertical arm reserved grooves (4-3) are uniformly distributed on two sides of the vertical arm (4), a cross arm through hole (4-4) through which a cross arm (6) can penetrate is formed in the upper portion of the vertical arm (4), and numbers used for measuring height levels are carved on the vertical arm (4).

6. The simple automobile seat surface height measuring device according to claim 5, wherein: the cross arm fixing device (5) comprises a cross arm fixer (5-1), a fixing bolt (5-2), a second damping gasket (5-3) and a second end cover (5-4), the cross arm fixer (5-1) comprises a vertical arm fixing end (5-1-1) and a cross arm fixing end (5-1-2), the top of the vertical arm (4) is inserted into the vertical arm fixing end (5-1-1) of the cross arm fixer (5-1), the vertical arm is connected with the vertical arm fixing end (5-1-1) through the fixing bolt (5-2), the position of the cross arm through hole (4-4) corresponds to the position of the cross arm fixing end (5-1-2), and the cross arm (6) penetrates through the cross arm fixing end (5-1-2) and the cross arm through hole (4-4), and the cross arm fixing end is hermetically connected to the cross arm fixer (5-1) through a second damping gasket (5-3) and a second end cover (5-4) which are arranged at the two ends of the cross arm fixing end (5-1-2).

7. A simplified vehicle seat surface height measuring apparatus as set forth in claim 1, wherein: the cross section of the cross arm (6) is of a semicircular structure, one end, close to the cross arm fixing device (5), of the cross arm (6) is provided with a limiting structure (6-1), and one end, far away from the cross arm fixing device (5), of the cross arm (6) is provided with a measuring scale through hole (6-2) used for being connected with a measuring scale fixing device (7).

8. The simple automobile seat surface height measuring device according to claim 7, wherein: the measuring scale fixing device (7) comprises a scale frame (7-1), a measuring scale base (7-2), a scale base fixer (7-3) and measuring scale fastening screws (7-4), the bottom of the scale frame (7-1) is connected with the measuring scale base (7-2), the scale frame (7-1) and the measuring scale base (7-2) are connected to the cross arm (6) through the scale base fixer (7-3), measuring scales (8) are arranged in the scale frame (7-1) and the measuring scale base (7-2), and the measuring scales (8) are connected with the scale frame (7-1) through the measuring scale fastening screws (7-4).

Technical Field

The invention relates to a measuring device for an automobile seat, in particular to a simple measuring device for the surface height of the automobile seat.

Background

With the pursuit of people for higher and higher automobile comfort, all large host computer factories continuously optimize the comfort of the whole automobile, wherein the most intuitive comfort feeling for passengers is the automobile seat, so after part of automobile seat tests, the variation of the surface height of the seat needs to be measured, the collapse amount of the seat foaming and the deformation condition of the skin are deduced, and powerful data support is provided for the subsequent seat performance evaluation.

The conventional vehicle seat surface height measuring device generally constructs a depth gauge and a bracket as a simple seat surface height measuring device, but has the following problems in actual measurement: firstly, the traditional seat surface height measuring device needs to be assembled at present, and needs to be reset every time the device is started; secondly, the height of the bracket cannot be adjusted when the traditional seat surface height measuring device is used, and the overall height can be increased only by adopting a mode of padding a standard block under the base of the bracket so as to ensure that the depth of a higher object to be measured can be measured; when the position of the bracket is adjusted repeatedly, the depth gauge and the bracket are easy to wear, so that the surface of the depth gauge is scratched, and a gap is formed between the depth gauge and the bracket due to wear, so that the measurement error is increased; seat surface height measurement often has more than one point location, and the position and the height of every point location are all different, but each part of support is rigid connection, and is not portable or rotate, leads to very inconvenient when measuring, need frequently adjust the position of base so that guarantee depth chi can measure every point location, even if every point location can be surveyed, because the position of base has changed, the platform that the base is located is not necessarily the horizontality, therefore probably leads to the degree of depth measurement value to produce the deviation.

Disclosure of Invention

The invention aims to solve the problems, and provides the automobile seat surface height measuring device which can adjust the height and the width and can rotate around a base, the device is in flexible connection, different point positions of the surface height of the seat can be measured without moving the position back and forth, and the device has the advantages of simple structure, low cost, convenience in carrying, high precision and wide application range.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a simple and easy car seat surface height measuring device, includes base, perpendicular arm fixer, perpendicular arm fixing device, perpendicular arm, xarm fixing device, xarm, dipperstick fixing device and dipperstick, perpendicular arm fixing device rotates with the base through perpendicular arm fixer to be connected, be equipped with in the perpendicular arm fixing device and prolong the gliding perpendicular arm from top to bottom of perpendicular arm fixing device, it links to each other with the one end of xarm through xarm fixing device to erect the arm, the xarm can slide around in xarm fixing device, the other end of xarm passes through dipperstick fixing device and links to each other with the dipperstick.

The bottom of base is equipped with vertical arm and increases the guide pin bushing mounting hole, the bottom that vertical arm increases the guide pin bushing mounting hole is equipped with pressure balance hole.

The vertical arm fixing device comprises a vertical arm heightening guide sleeve, a power spring, a guide sleeve through hole, a vertical arm height adjusting valve, a height grade observation hole and a first end cover, the vertical arm heightening guide sleeve is rotatably arranged in the vertical arm heightening guide sleeve mounting hole through the vertical arm fixer, a vertical arm which can extend the vertical arm heightening guide sleeve to slide up and down is arranged in the vertical arm heightening guide sleeve, a power-assisted spring is arranged at the bottom of the vertical arm, the two sides of the vertical arm heightening guide sleeve are respectively provided with a guide sleeve through hole and a height grade observation hole, the vertical arm height adjusting valve is arranged on the outer wall of the vertical arm heightening guide sleeve, the position of the vertical arm height adjusting valve is opposite to the position of the guide sleeve through hole, and the vertical arm height adjusting valve is matched with the guide sleeve through hole to control the vertical arm to move in the vertical arm heightening guide sleeve, and a first end cover used for sealing the vertical arm is arranged at the top of the vertical arm heightening guide sleeve.

The vertical arm height adjusting valve comprises an adjusting valve body, a thimble and a spring, the adjusting valve body is connected with the outer wall of the vertical arm heightening guide sleeve, the thimble capable of rotating forwards and backwards is arranged in the adjusting valve body, the spring is arranged on the thimble, one end of the spring is connected with the adjusting valve body, and the other end of the spring is in contact with the outer wall of the vertical arm heightening guide sleeve.

The damping device comprises a vertical arm fixing device, a damping block, a first damping gasket, a second damping gasket and a vertical arm through hole, wherein the vertical arm is arranged at the top of the vertical arm fixing device, the vertical arm is arranged at the bottom of the vertical arm, the damping block is arranged at the periphery of the lower part of the vertical arm, the first damping gasket and the vertical arm fixing device limit and seal the vertical arm, a plurality of vertical arm reserved grooves which are uniformly distributed are arranged at two sides of the vertical arm, the upper part of the vertical arm is provided with a cross arm through hole through which a cross arm can penetrate, and numbers.

The cross arm fixing device comprises a cross arm fixer, a fixing bolt, a second damping gasket and a second end cover, wherein the cross arm fixer comprises a vertical arm fixing end and a cross arm fixing end, the vertical arm fixing end of the cross arm fixer is inserted into the top of a vertical arm, the vertical arm is connected with the vertical arm fixing end through the fixing bolt, the position of a cross arm through hole corresponds to the position of the cross arm fixing end, and the cross arm penetrates through the cross arm fixing end and the cross arm through hole and is connected to the cross arm fixer in a sealing mode through the second damping gasket and the second end cover which are arranged at two ends of the cross arm fixing end.

The cross section of the cross arm is of a semicircular structure, one end, close to the cross arm fixing device, of the cross arm is provided with a limiting structure, and a measuring scale through hole used for connecting the measuring scale fixing device is machined in one end, far away from the cross arm fixing device, of the cross arm.

The measuring scale fixing device comprises a scale frame, a measuring scale base, a scale base fixer and a measuring scale fastening screw, wherein the bottom of the scale frame is connected with the measuring scale base, the scale frame and the measuring scale base are connected to a cross arm through the scale base fixer, the measuring scale is arranged in the scale frame and the measuring scale base, and the measuring scale is connected with the scale frame through the measuring scale fastening screw.

The invention has the advantages and beneficial effects that:

1. the invention has simple structure and light weight, meets the portable requirement, reduces the working strength of users, and simultaneously avoids the operation that the prior assembly is required and the zero clearing is required when the machine is started every time.

2. According to the invention, sealing and gap filling processing are adopted in the vertical arm fixing device and the transverse arm fixing device, and lubricating oil is only required to be added between the vertical arm heightening guide sleeve and the vertical arm and between the transverse arm and the transverse arm fixer, so that the sealing performance of the device can be ensured, meanwhile, the maintenance-free effect can be achieved, the phenomenon of abrasion caused by back-and-forth debugging is avoided, and the measurement precision is greatly improved.

3. The vertical arm heightening guide sleeve can rotate 360 degrees in the vertical arm heightening guide sleeve mounting hole, the vertical arm can slide up and down in the vertical arm heightening guide sleeve, the base can be used as the center through 360-degree rotation of the vertical arm heightening guide sleeve, the vertical arm can be used as the height, measurement can be carried out in a cylindrical area with the length of a cross arm between the measuring scale and the vertical arm as the radius, the height of the measuring scale is adjusted through up-down sliding of the vertical arm in the vertical arm heightening guide sleeve, and the radial distance between the measuring scale and the base is adjusted through back-and-forth movement of the cross arm in the cross arm fixer, so that a plurality of point positions can be measured without repeatedly moving the base, and the storage space can be saved through up-down, height and left-right width adjustment.

4. The invention has low cost and wide application range, can meet the requirement of measuring the surface height of the front and rear rows of seats, is suitable for detecting the height difference before and after the endurance test of the automobile seat, and can also be used as a common depth gauge.

5. According to the invention, the power-assisted spring is arranged between the base and the bottom end of the vertical arm, so that the height of the vertical arm can be adjusted more smoothly, and the vertical arm is more portable and labor-saving.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1A;

FIG. 3 is an enlarged view at FIG. 1B;

FIG. 4 is an enlarged view at FIG. 1C;

fig. 5 is a side view of a cross-arm according to the present invention.

Reference numerals: the device comprises a base 1, a pressure balance hole 1-1, a vertical arm heightening guide sleeve mounting hole 1-2, a vertical arm fixer 2, a vertical arm fixing device 3, a vertical arm heightening guide sleeve 3-1, a booster spring 3-2, a guide sleeve through hole 3-3, a vertical arm height adjusting valve 3-4, an adjusting valve body 3-4-1, an ejector pin 3-4-2, a spring 3-4-3, a height grade observing hole 3-5, a first end cover 3-6, a vertical arm 4, a damping block 4-1, a first damping gasket 4-2, a vertical arm reserved groove 4-3, a cross arm through hole 4-4, a cross arm fixing device 5, a cross arm fixer 5-1, a vertical arm fixing end 5-1-1, a cross arm fixing end 5-1-2, a fixing bolt 5-2, a vertical arm fixing end 5-1-1, the device comprises a second damping gasket 5-3, a second end cover 5-4, a cross arm 6, a limiting structure 6-1, a measuring scale through hole 6-2, a measuring scale fixing device 7, a scale frame 7-1, a measuring scale base 7-2, a scale base fixer 7-3, a measuring scale fastening screw 7-4 and a measuring scale 8.

Detailed Description

The present invention will now be described in detail with reference to the drawings, wherein the embodiments are shown by way of illustration only and not by way of limitation. All other embodiments obtained by the person skilled in the art based on the present invention shall fall within the scope of protection of the present invention without the need for inventive efforts.

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, a simple automobile seat surface height measuring device comprises a base 1, a vertical arm fixer 2, a vertical arm fixer 3, a vertical arm 4, a cross arm fixer 5, a cross arm 6, a measuring scale fixer 7 and a measuring scale 8, wherein a vertical arm heightening guide sleeve mounting hole 1-2 is formed in the bottom of the base 1, the vertical arm fixer 3 is rotatably connected into the vertical arm heightening guide sleeve mounting hole 1-2 through the vertical arm fixer 2, a pressure balancing hole 1-1 is formed in the bottom of the vertical arm heightening guide sleeve mounting hole 1-2, and the pressure balancing hole 1-1 is responsible for balancing air pressure in the vertical arm heightening guide sleeve 3-1 and is convenient for the vertical arm 4 to stretch the vertical arm guide sleeve 3-1 to slide up and down. The measuring scale 8 rotates 360 degrees around the base through rotation of the vertical arm fixing device 3, the base 1 plays a role in supporting the vertical arm fixing device 3 and the vertical arm 4, the vertical arm 4 can be kept stable in the vertical arm fixing device 3, the vertical arm 4 capable of extending the vertical arm fixing device 3 to slide up and down is arranged in the vertical arm fixing device 3, and the overall height of the measuring scale is adjusted through up-down sliding of the vertical arm 4; the vertical arm 4 plays a role in supporting the cross arm fixing device 5 and the cross arm 6, the vertical arm 4 is connected with one end of the cross arm 6 through the cross arm fixing device 5, the cross arm 6 can slide back and forth in the cross arm fixing device 5, the other end of the cross arm 6 is connected with the measuring scale 8 through the measuring scale fixing device 7, the cross arm 6 plays a role in connecting the measuring scale 8, and meanwhile, the distance between the measuring scale 8 and the vertical arm 4 is changed through the movement of the cross arm 6 in the cross arm fixing device 5, so that the measuring scale 8 can randomly measure objects to be measured at different distances from the base 1.

As shown in figure 1, the vertical arm fixing device 3 comprises a vertical arm heightening guide sleeve 3-1, a power spring 3-2, a guide sleeve through hole 3-3, a vertical arm height adjusting valve 3-4, a height grade observation hole 3-5 and a first end cover 3-6, the vertical arm heightening guide sleeve 3-1 is rotatably arranged in the vertical arm heightening guide sleeve mounting hole 1-2 through a vertical arm fixer 2, a vertical arm 4 capable of extending the vertical arm heightening guide sleeve 3-1 to slide up and down is arranged in the vertical arm heightening guide sleeve 3-1, the power spring 3-2 is arranged at the bottom of the vertical arm 4, the vertical arm 4 can conveniently slide up and down in the vertical arm heightening guide sleeve 3-1 through the power spring 3-2, the guide sleeve through hole 3-3 and the height grade observation hole 3-5 are respectively arranged at two sides of the vertical arm heightening guide sleeve 3-1, the number corresponding to the current height inscribed on the vertical arm 4 can be seen through the height grade observing holes 3-5, the digital value is recorded during measurement, and the height of the vertical arm 4 is adjusted to the value during the subsequent measurement. The vertical arm height adjusting valve 3-4 is arranged on the outer wall of the vertical arm heightening guide sleeve 3-1, the position of the vertical arm height adjusting valve 3-4 is opposite to the position of the guide sleeve through hole 3-3, the vertical arm 4 is controlled to move in the vertical arm heightening guide sleeve 3-1 through the mutual matching of the vertical arm height adjusting valve 3-4 and the guide sleeve through hole 3-3, and the top of the vertical arm heightening guide sleeve 3-1 is provided with a first end cover 3-6 for sealing the vertical arm.

As shown in fig. 2, the vertical arm height adjusting valve 3-4 comprises an adjusting valve body 3-4-1, a thimble 3-4-2 and a spring 3-4-3, the adjusting valve body 3-4-1 is connected with the outer wall of the vertical arm heightening guide sleeve 3-1, the thimble 3-4-2 capable of rotating back and forth is arranged in the adjusting valve body 3-4-1, and the vertical arm height adjusting valve 3-4 inserts the thimble 3-4-2 into the vertical arm reserved groove 4-3 so as to achieve the function of limiting the movement of the vertical arm 4 in the vertical arm heightening guide sleeve 3-1. The thimble 3-4-2 is provided with a spring 3-4-3, one end of the spring 3-4-3 is connected with the adjusting valve body 3-4-1, the other end of the spring 3-4-3 is contacted with the outer wall of the vertical arm heightening guide sleeve 3-1, the spring 3-4-3 can lead the thimble 3-4-2 to be firmly embedded into the vertical arm reserved groove 4-3 so as to ensure the measuring precision, when the vertical arm height adjusting valve 3-4 is pulled out, the vertical arm 4 is jacked up by the boosting spring 3-2 below the vertical arm 4, when the vertical arm height adjusting valve 3-4 reaches the proper height, the vertical arm height adjusting valve 3-4 is loosened, and the vertical arm 4 is properly adjusted so that the thimble 3-4-2 on the vertical arm height adjusting valve 3-4 is embedded into the vertical arm reserved groove 4-3 on the vertical arm 4, so as to achieve the function of adjusting the height of the application.

As shown in fig. 1 and 3, a damping block 4-1 is arranged around the lower part of the vertical arm 4, a first damping gasket 4-2 is arranged on the vertical arm 4 adjacent to the first end cover 3-6, the first damping gasket 4-2 and the first end cover 3-6 limit and seal the vertical arm 4, the first damping gasket 4-2 and the damping block 4-1 play a role of increasing resistance when the vertical arm 4 moves in the vertical arm guide sleeve 3-1, and simultaneously, a gap between the vertical arm 4 and the vertical arm guide sleeve 3-1 can be reduced, and the measurement accuracy is increased; the two sides of the vertical arm 4 are provided with a plurality of vertical arm reserved grooves 4-3 which are uniformly distributed, the upper part of the vertical arm 4 is provided with a cross arm through hole 4-4 through which a cross arm 6 can pass, the vertical arm 4 is engraved with numbers for measuring the height grade, and the distance between the numbers is fixed.

As shown in fig. 4, the cross arm fixing device 5 comprises a cross arm fixer 5-1, a fixing bolt 5-2, a second damping gasket 5-3 and a second end cap 5-4, the cross arm fixer 5-1 comprises a vertical arm fixing end 5-1-1 and a cross arm fixing end 5-1-2, the top of the vertical arm 4 is inserted into the vertical arm fixing end 5-1-1 of the cross arm fixer 5-1 and is connected with the vertical arm fixing end 5-1-1 through the fixing bolt 5-2, the position of the cross arm through hole 4-4 corresponds to the position of the cross arm fixing end 5-1-2, the cross arm 6 passes through the cross arm fixing end 5-1-2 and the cross arm through hole 4-4 and passes through the second damping gasket 5-3 and the second end cap 5-4 arranged at the two ends of the cross arm fixing end 5-1-2 4 to make it seal-connected on the cross arm fixer 5-1.

As shown in fig. 1 and 5, the lateral surface of the cross arm 6 is a semicircular structure, which can ensure the strength of the cross arm 6 and can play a limiting role, so that the cross arm 6 can only move linearly along the cross arm holder 5 in the cross arm holder 5 without rotating in the cross arm holder. The end of the cross arm 6 close to the cross arm fixing device 5 is provided with a limiting structure 6-1, and the limiting structure 6-1 can prevent the cross arm 6 from falling off from the cross arm fixing device 5 in the process of moving the cross arm 6. The end of the cross arm 6 far away from the cross arm fixing device 5 is provided with a measuring scale through hole 6-2 for connecting a measuring scale fixing device 7, and the measuring scale through hole 6-2 ensures that a measuring scale 8 can be vertically fixed on the cross arm 6.

As shown in fig. 1, the measuring scale fixing device 7 comprises a scale frame 7-1, a measuring scale base 7-2, a scale base fixer 7-3 and a measuring scale fastening screw 7-4, the bottom of the scale frame 7-1 is connected with the measuring scale base 7-2, the scale frame 7-1 and the measuring scale base 7-2 are connected to the cross arm 6 through the scale base fixer 7-3, a measuring scale 8 is arranged in the scale frame 7-1 and the measuring scale base 7-2, the measuring scale 8 is connected with the scale frame 7-1 through the measuring scale fastening screw 7-4, and the extending length of the measuring scale 8 is adjusted through the measuring scale fastening screw 7-4.

The invention can realize that the measuring scale 8 rotates 360 degrees around the base, and can adjust the radial distance between the measuring scale 8 and the base 1, so as to ensure that the base 1 is kept still in the measuring range, and the measuring scale 8 can measure the cylindrical area which takes the base 1 as the center, the cross arm 6 as the radius and the vertical arm 4 as the height. And each movable position or rotation position is provided with corresponding constraint to ensure that the movable position or rotation position can only move towards a specific direction or rotate by taking the specific position as a reference, so that the stability of the whole structure in the adjusting process is ensured, and the accuracy of measurement is finally ensured. The 360-degree rotation is realized by rotatably connecting the vertical arm heightening guide sleeve 3-1 with the base 1, the control of the vertical height is controlled by a vertical arm height adjusting valve, the front and back movement of the cross arm is controlled by a semicircular structure and a limiting structure of the side surface of the cross arm, and the adjustment of the measuring scale 8 in the vertical direction is controlled by a measuring scale fastening screw 7-4.

The working process is as follows:

the invention is applied to the test of the movement of the seat in and out, and the height change value of the required position of the surface of the seat is measured before and after the test, so as to evaluate the comfort of the seat before and after the movement in and out test.

Before the experiment, place the base 1 of this application on the platform, and mark the position of base 1 (place here again base 1 according to this mark after the experiment), according to the requirement, carry out the measuring point mark and number on the surface of seat, later, adjust vertical arm 4, make its height be in suitable position, and observe the height grade number of current vertical arm 4 and record through height grade observation hole 3-5 (when being convenient for carry out the measurement again after the experiment, can make the height of vertical arm keep the unanimity), adjust the position of xarm 6, make dipperstick 8 can cover the measuring position, measure the measuring point on the surface of seat through dipperstick 8, record the height value data of each position during the measurement. Remove this application after finishing measuring, open the experiment, after the experiment, place the position of the base 1 according to the mark before the experiment of this application, adjust the height of vertical arm 4 once more, make it the same with the height before the experiment to measure each measuring point position height value on seat surface through dipperstick 8, combine data before the experiment, the change situation of seat surface height before the analysis experiment, output data.