CN214407267U - Simple automobile seat surface height measuring device - Google Patents

Abstract

The utility model discloses a simple and easy car seat surface height measuring device, including base, perpendicular arm fixer, perpendicular arm fixing device, perpendicular arm, xarm fixing device, xarm, dipperstick fixing device and dipperstick, it is connected through erecting arm fixer and base rotation to erect arm fixing device, it can prolong the gliding perpendicular arm from top to bottom of erecting arm fixing device to be equipped with in the 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 utility model discloses a flexonics does not need the round trip movement position just can measure the different positions of seat surface height, simple structure, with low costs, portable, precision height, application scope are wide moreover.

Description

Simple automobile seat surface height measuring device

Technical Field

The utility model relates to a car seat measuring device, concretely relates to simple and easy car seat surface height measuring device.

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.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, and provide one kind can height-adjusting, width and can be round the rotatory car seat surface height measuring device of base, and the device is the flexonics, does not need round trip movement position just can measure the different positions of seat surface height, simple structure, with low costs, portable, precision height, application scope are wide moreover.

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 for measuring the height grade are carved on the vertical arm.

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 utility model has the advantages and beneficial effect:

1. the utility model discloses simple structure, it is relatively light, satisfied portable requirement, reduced user of service's working strength, avoided the operation that needs existing equipment and start at every turn and all need the zero clearing simultaneously.

2. The utility model discloses all adopted sealed and gap filling processing in erecting arm fixing device and xarm fixing device, only need erect the arm and increase the guide pin bushing and erect between the arm, between xarm and the xarm fixer add lubricating oil can, can also reach non-maintaining effect when guaranteeing this application leakproofness, avoided because of the phenomenon that makes a round trip to debug the appearance wearing and tearing, very big improvement measurement accuracy.

3. The utility model provides a vertical arm increases the guide pin bushing and can increase 360 rotations in the guide pin bushing mounting hole at vertical arm, vertical arm can increase the guide pin bushing and slide from top to bottom in vertical arm, 360 rotations of increase guide pin bushing through vertical arm can realize using the base as the center, use vertical arm as height, use the dipperstick to measure in the cylindric region of radial xarm length between the vertical arm, slide the height of adjusting the dipperstick from top to bottom in vertical arm increases the guide pin bushing through vertical arm, adjust the radial distance between dipperstick and the base through the back-and-forth movement of xarm in the xarm fixer, therefore can be under the prerequisite of unmovable base, can measure a plurality of positions, need not to move the position repeatedly, moreover the utility model discloses an from top to bottom, height, control the regulation of width, can practice thrift the space of depositing.

4. The utility model discloses with low costs, application scope is wide, can satisfy the measurement of front and back row seat surface height, is fit for using the difference in height detection around the car seat endurance test, also can do ordinary depth gauge and use.

5. The utility model discloses be provided with helping hand spring between base and perpendicular arm bottom, make more smooth and easy, it is more light laborsaving when adjusting perpendicular arm height.

Drawings

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

FIG. 2 is an enlarged view at A in FIG. 1;

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

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

fig. 5 is a side view of the middle cross arm of 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, a cross arm fixing end 5-2, a vertical arm height adjusting valve and a vertical arm height adjusting valve body, 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, which are illustrative only of some, but not all, embodiments of the present invention. All other embodiments obtained based on the present invention belong to the protection scope of the present invention without creative efforts for those skilled in the art.

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of description and simplification of 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 height level inspection holes 3-5 allow the number corresponding to the current height inscribed in the vertical arm 4 to be seen, and this number value is recorded during the measurement, and the height of the vertical arm 4 is adjusted to this 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. One 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 utility model discloses can realize that dipperstick 8 is 360 rotatory around the base to can adjust the radial distance between dipperstick 8 and the base 1, guarantee in measuring range, base 1 keeps motionless, and dipperstick 8 can measure and use base 1 as the center, use xarm 6 as the radius, use in the cylindric region of erectting 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 utility model discloses be applied to the seat immigration and shift out the experiment, need measure the altitude variation value that seat surface required position department around the experiment to this aassessment moves in and shifts out the seat travelling comfort around the experiment.

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.

Claims (8)

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).

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