CN213420356U

CN213420356U - Foot rest for level gauge

Info

Publication number: CN213420356U
Application number: CN202021471518.0U
Authority: CN
Inventors: 袁睿淅; 郑志强; 唐生艳; 魏紫文
Original assignee: Chengdu Dayi Technology Co ltd; Sichuan Daotongda Engineering Technology Co ltd
Current assignee: Chengdu Dayi Technology Co ltd; Sichuan Daotongda Engineering Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-06-11
Anticipated expiration: 2030-07-23

Abstract

The utility model relates to an engineering survey technical field, especially relate to a foot rest for surveyor's level, including consecutive supporting seat, telescopic link and A-frame, the A-frame includes a frame foundation and three stabilizer blades that are the triangle and arrange, still is equipped with adjusting seat and connecting seat from the bottom up in proper order above the supporting seat, still is equipped with the elevation structure that drives adjusting seat and go up and down between adjusting seat and the supporting seat, still is equipped with a plurality of damping springs between adjusting seat and the connecting seat, is equipped with logical groove on the connecting seat, is used for the arc piece of centre gripping surveyor's level and is used for the first mounting of fixed arc piece position, and the inboard of arc piece still is equipped with first buffer; each supporting leg comprises a fixed rod, a vertical rod and an inserting tip which are sequentially connected from top to bottom, and the vertical rod is perpendicular to the horizontal plane. Through this foot rest, can effectively solve height adjustment inconvenient, the easy fish tail of stabilizer blade and shock-absorbing structure complicated problem.

Description

Foot rest for level gauge

Technical Field

The utility model relates to an engineering surveys technical field, especially relates to a foot rest that level used.

Background

The leveling instrument is an instrument for establishing a horizontal sight line to measure the height difference between two ground points, and the principle of the leveling instrument is to measure the height difference between the ground points according to the leveling principle. The main parts of the level are hopeful to be a telescope, a pipe level (or a compensator), a vertical shaft, a base and a foot screw, and are divided into a micro-inclination level, an automatic leveling level, a laser level and a digital level (also called an electronic level) according to the structure; the precision level is divided into a precision level and a common level according to the precision. At present, a foot stand is required to be supported in the engineering surveying process, a level gauge is arranged on the foot stand, and the operation is inconvenient in the using process.

In the prior art, a chinese utility model patent document with publication number CN206583444U and publication date of 2017, 10 and 24 is proposed to solve the above existing technical problems, and the technical solution disclosed in the patent document is as follows: the utility model provides a precision level support, includes the support, the support is including three landing legs that the structure is the same, every be provided with isometric elasticity taut on the landing leg, it is three the tip of elasticity taut has articulated the snubber block jointly, and it reduces the support and receives the vibrations that the influence of equipment and take place through increasing the antidetonation ware on the support that supports precision level.

In the actual use process, the following problems can occur in the technical scheme:

(1) when the height adjustment, need adjust the elasticity of stabilizer blade respectively, height adjustment is inconvenient to in case the installation is accomplished, in the use, can't adjust the height of spirit level again in small amplitude range, in the face of the user of different heights, probably need adjust the height of spirit level again through the adjustment stabilizer blade, operate inconveniently.

(2) The shock-absorbing structure is complicated.

(3) The end parts of the support legs are always exposed, so that a user is easily scratched in the transportation process, and potential safety hazards are caused.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a foot rest for surveyor's level can effectively solve the problem that height adjustment is inconvenient, the easy fish tail people of stabilizer blade and shock-absorbing structure are complicated.

The utility model discloses a realize through adopting following technical scheme:

a foot rest for a level, characterized in that: the support comprises a support seat, a telescopic rod and a triangular support which are sequentially connected, wherein the triangular support comprises a support seat and three support legs which are arranged in a triangular manner, and the support legs are respectively hinged with the bottom surface of the support seat; an adjusting seat and a connecting seat are sequentially arranged above the supporting seat from bottom to top, a lifting structure for driving the adjusting seat to lift is further arranged between the adjusting seat and the supporting seat, a plurality of damping springs are further arranged between the adjusting seat and the connecting seat, the connecting seat is provided with a through groove, an arc-shaped block for clamping a level gauge and a first fixing piece for fixing the position of the arc-shaped block, the bottom of the arc-shaped block is provided with a sliding block matched with the through groove, the sliding block is positioned in the through groove and drives the arc-shaped block to move along the direction of the through groove, and a first buffer layer is further arranged on the inner side; every stabilizer blade from the top down includes consecutive dead lever, montant and inserts most advanced, montant perpendicular to horizontal plane, the montant lower part is equipped with a plurality of pinholes that are vertical range, insert on the most advanced through first spring coupling have with pinhole assorted round pin axle.

The outer surface of the telescopic rod is provided with scale marks.

The telescopic link forms for the hollow tube cartridge of different pipe diameters, includes the hollow pole of first hollow pole and second from inside to outside, be equipped with the positioning hole of a plurality of vertical arrangements on the hollow pole of second, have through second spring coupling on the first hollow pole with positioning hole assorted location axle.

The middle part of the bottom of the bracket seat is also fixedly connected with a middle support rod, and the middle support rod can stretch up and down.

The maximum length of the extended middle stay bar is larger than that of the support leg, and a pulley is arranged at the bottom of the middle stay bar.

The connecting seat is provided with through holes matched with the connecting columns, and the connecting columns penetrate through the through holes and are matched with the second fixing piece to fix the cover body on the connecting seat.

A second buffer layer is further arranged in the cover body.

And a plurality of depressed areas which are respectively matched with all parts of the level are arranged in the second buffer layer.

And markers for marking the placing angles of the level gauge are arranged on the cover body and the connecting seat.

The bottom surface of the support base is provided with three strip-shaped grooves, and hinged joints between the support legs and the support base are respectively positioned in the strip-shaped grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a supporting seat, telescopic link and the A-frame that link to each other in proper order, the whole lift of foot rest relies on the telescopic link to accomplish, and the length of avoiding need frequently adjusting the A-frame among the prior art adjusts the height, and the A-frame includes the support frame seat and is three stabilizer blades that the triangle was arranged, and the structure is more stable. Every stabilizer blade is from the top down including consecutive dead lever, montant and insert most advanced, and the use of dead lever makes the length of stabilizer blade can not change for the support frame foundation keeps the level more easily. Insert most advanced through the cooperation of round pin axle with the pinhole, can realize flexible in the montant, when not using, insert in most advanced can retract to the montant, avoid inserting most advanced accidental injury user. The vertical rod is perpendicular to the horizontal plane, so that the direction of the insertion tip is limited, the insertion tip is vertical downwards, and the insertion tip is conveniently inserted into the ground to fix the foot rest.

The utility model discloses a supporting seat, regulation seat and connecting seat, adjust still to be equipped with the elevation structure that the seat goes up and down is adjusted in the drive between seat and the supporting seat, after the spirit level installation is accomplished, the user of different heights need not adjust the telescopic link again, only needs just can realize through elevation structure that the spirit level wholly rises or wholly descends in little amplitude range, and measurement of efficiency is higher, and the suitability is stronger. And still be equipped with a plurality of damping spring between regulation seat and the connecting seat, simple structure avoids the big vibrations that the spirit level lift process or whole foot rest remove the in-process and lead to. In the surveyor's level installation, logical groove and the arc piece that sets up on the connecting seat can play good spacing and centre gripping fixed action to the surveyor's level, and the inboard of arc piece still is equipped with first buffer layer, avoids the clamping process to cause the injury to the surveyor's level, plays good guard action to the surveyor's level.

2. The scale marks are arranged on the outer surface of the telescopic rod, so that the telescopic length can be visually seen, and the height of the level can be conveniently adjusted.

3. The telescopic link forms for the hollow tube cartridge of different pipe diameters, includes the hollow pole of first hollow pole and second from inside to outside, be equipped with the positioning hole of a plurality of vertical ranges on the hollow pole of second, have through second spring coupling on the first hollow pole with positioning hole assorted location axle, flexible length at every turn is controllable, and the mode of height-adjusting is also simple.

4. The middle part of the bottom of the bracket seat is fixedly connected with a middle support rod, and the middle support rod can stretch up and down to enhance the stability of the foot rest.

5. The maximum length after the well vaulting pole extension is greater than the length of stabilizer blade, and well vaulting pole bottom is equipped with the pulley, when needs change the measuring point, when needs temporary movement, can not take off the spirit level, with well vaulting pole extension to maximum distance for the stabilizer blade is liftoff, roll through the pulley shift can, it is more convenient to remove temporarily.

6. When a plurality of measuring points, need remove spirit level and foot rest many times, in order to avoid the frequent installation and the dismantlement of spirit level, can make the spliced pole on the cover body pass the through-hole, with the cooperation of second mounting with the cover body fix on the connecting seat, the bulk movement can, at the removal in-process, the cover body can play good guard action to the spirit level.

7. Still be equipped with the second buffer layer in the cover body, further avoid the surveyor's level impaired.

8. A plurality of depressed areas which are respectively matched with all parts of the level are arranged in the second buffer layer, so that the concave-convex level has a good protection effect.

9. All be equipped with the marker that is used for the sign spirit level to place the angle on the cover body and the connecting seat, through the marker, can inject the rotation angle of spirit level, can inject the laying position of the cover body for the depressed area of the internal second buffer layer of cover is corresponding with the spirit level respectively, makes the cover body better to the protective effect of spirit level.

10. The bottom surface of the support base is provided with three strip-shaped grooves, the hinge joint between the support leg and the support base is respectively positioned in the strip-shaped grooves, the strip-shaped grooves can play a good protection role on the hinge joint, and the strip-shaped grooves can also limit the hinge direction of the support leg.

Drawings

The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:

fig. 1 is a schematic elevation structure of the present invention;

FIG. 2 is a schematic top view of the cover of the present invention;

the labels in the figure are:

1. supporting seat, 2, the telescopic link, 3, positioning through hole, 4, the location axle, 5, the scale mark, 6, adjust the seat, 7, the connecting seat, 8, elevation structure, 9, damping spring, 10, lead to the groove, 11, the arc piece, 12, first mounting, 13, the support frame, 14, the dead lever, 15, the montant, 16, insert most advanced, 17, the pinhole, 18, the round pin axle, 19, well vaulting pole, 20, the pulley, 21, the second mounting, 22, the cover body, 23, the spliced pole, 24, the through-hole, 25, the second buffer layer, 26, the surveyor's level, 27, the marker, 28, first buffer layer.

Detailed Description

Example 1

As the utility model discloses basic embodiment, the utility model discloses a foot rest that level was used, including consecutive supporting seat 1, telescopic link 2 and A-frame, the A-frame includes support frame 13 and is three stabilizer blades that the triangle was arranged, and the contained angle between the adjacent stabilizer blade can be for 120 promptly, the stabilizer blade is articulated with support frame 13 bottom surface respectively, and three pin joint is connected and is constituted the triangle-shaped structure for support frame 13's structure is more stable. The telescopic rod 2 can be a threaded rod, the bracket base 13 is provided with a threaded hole matched with the threaded rod, and the threaded rod is rotated downwards or upwards in the threaded hole by rotating the threaded rod, so that the position adjustment between the support base 1 and the bracket base 13 is realized, and the height adjustment of the foot rest is realized.

Still be equipped with in proper order above the supporting seat 1 from the bottom up and adjust seat 6 and connecting seat 7, it adjusts the elevation structure 8 that seat 6 goes up and down still to be equipped with the drive between seat 6 and the supporting seat 1 to adjust, it still is equipped with a plurality of damping spring 9 to adjust between seat 6 and the connecting seat 7. The lifting device can be an air cylinder, and the damping springs 9 can be uniformly arranged at intervals. Be equipped with a logical groove 10 on the connecting seat 7, be used for two arc pieces 11 of centre gripping spirit level 26 and be used for the first mounting 12 of fixed arc piece 11 position respectively, two arc pieces 11 bottoms are equipped with the slider, and arc piece 11 is located logical inslot 10 and is located logical groove 10 both ends respectively through the slider, arc piece 11 passes through the slider and removes along leading to groove 10 direction respectively. The slider surface can be equipped with the screw thread, first mounting 12 can be the nut, through the cooperation of nut and slider, fixes arc piece 11 in leading to groove 10. The inner side of the arc block 11 is also provided with a first buffer layer 28. Every stabilizer blade from the top down includes dead lever 14, montant 15 and the most advanced 16 of inserting that links to each other in proper order, montant 15 perpendicular to horizontal plane, montant 15 lower part is equipped with a plurality of pinholes 17 that are vertical range, insert and have through first spring coupling on the most advanced 16 with pinhole 17 assorted round pin axle 18.

When using, select the suitable pinhole 17 in position, fix round pin axle 18 in this pinhole 17, make insert most advanced 16 and stretch out from montant 15, open three stabilizer blade, will insert most advanced 16 and insert in the measuring point or be located the measuring point, rotatory telescopic link 2, adjust the whole height of foot rest, after height adjustment accomplishes, place spirit level 26 back on connecting seat 7, slip arc piece 11 makes first buffer layer 28 and spirit level 26 offset, utilize the position of the fixed arc piece 11 of first mounting 12 can accomplish the installation of foot rest and spirit level 26.

Example 2

As a preferred embodiment of the present invention, the present invention includes a foot rest for a level, which includes a supporting seat 1, a telescopic rod 2 and a triangular bracket connected in sequence. The triangular support comprises a support base 13 and three support legs which are triangularly arranged, the support legs are hinged to the bottom surface of the support base 13 respectively, three strip-shaped grooves are formed in the bottom surface of the support base 13, and hinged joints between the support legs and the support base 13 are located in the strip-shaped grooves respectively. The telescopic link 2 is formed for the hollow tube cartridge of different pipe diameters, includes the hollow pole of first hollow pole and second from inside to outside, be equipped with the positioning hole 3 of a plurality of vertical arrangements on the hollow pole of second, have through second spring coupling with positioning shaft 4 of 3 assorted of positioning hole on the first hollow pole. And the outer surface of the telescopic rod 2 is provided with scale marks 5.

1 top from the bottom up of supporting seat still is equipped with in proper order and adjusts seat 6 and connecting seat 7, it adjusts the elevation structure 8 that seat 6 goes up and down still to be equipped with the drive between seat 6 and the supporting seat 1 to adjust, elevation structure 8 can be for the elevating platform by hydraulic drive, the surface of elevating platform links to each other with the lower surface of adjusting seat 6. The structure of the lifting platform is the existing structure, so additional description is not needed. A plurality of damping springs 9 are arranged between the adjusting seat 6 and the connecting seat 7. The connecting seat 7 is provided with two through grooves 10, four arc blocks 11 for clamping the level gauge 26 and a first fixing piece 12 for fixing the positions of the arc blocks 11, the bottom of each arc block 11 is provided with a sliding block matched with the through groove 10, and the sliding block is positioned in the through groove 10 and drives the arc blocks 11 to move along the direction of the through grooves 10. The first fixing member 12 may also be a hoop, and is sleeved outside the arc-shaped block 11. The inner side of the arc block 11 is also provided with a first buffer layer 28. Every stabilizer blade from the top down includes dead lever 14, montant 15 and the most advanced 16 of inserting that links to each other in proper order, montant 15 perpendicular to horizontal plane, montant 15 lower part is equipped with a plurality of pinholes 17 that are vertical range, insert and have through first spring coupling on the most advanced 16 with pinhole 17 assorted round pin axle 18.

Example 3

As another preferred embodiment of the present invention, the present invention includes a foot rest for a level, which comprises a supporting seat 1, a telescopic rod 2 and a triangular bracket connected in sequence. Still be equipped with in proper order above the supporting seat 1 from the bottom up and adjust seat 6 and connecting seat 7, it adjusts the elevation structure 8 that seat 6 goes up and down still to be equipped with the drive between seat 6 and the supporting seat 1 to adjust, it still is equipped with a plurality of damping spring 9 to adjust between seat 6 and the connecting seat 7. The connecting seat 7 is provided with a through groove 10, an arc block 11 used for clamping a level gauge 26 and a first fixing piece 12 used for fixing the position of the arc block 11, the bottom of the arc block 11 is provided with a sliding block matched with the through groove 10, and the sliding block is positioned in the through groove 10 and drives the arc block 11 to move along the direction of the through groove 10. The inner side of the arc block 11 is also provided with a first buffer layer 28.

The triangular support comprises a support base 13 and three support legs which are arranged in a triangular manner, and the support legs are respectively hinged with the bottom surface of the support base 13; the bottom surface of the support base 13 is provided with three strip-shaped grooves, and the hinged points between the support legs and the support base 13 are respectively positioned in the strip-shaped grooves. Every stabilizer blade from the top down includes dead lever 14, montant 15 and the most advanced 16 of inserting that links to each other in proper order, montant 15 perpendicular to horizontal plane, montant 15 lower part is equipped with a plurality of pinholes 17 that are vertical range, insert and have through first spring coupling on the most advanced 16 with pinhole 17 assorted round pin axle 18. The middle part of the bottom of the bracket base 13 is also fixedly connected with a middle support rod 19, and the middle support rod 19 can extend up and down. The maximum length of the extended middle stay bar 19 is larger than the length of the support leg, and the bottom of the middle stay bar 19 is provided with a pulley 20.

Example 4

As the best mode of the utility model, the utility model discloses a foot rest that the surveyor's level was used, including consecutive supporting seat 1, telescopic link 2 and A-frame. The telescopic link 2 is formed for the hollow tube cartridge of different pipe diameters, includes the hollow pole of first hollow pole and second from inside to outside, be equipped with the positioning hole 3 of a plurality of vertical arrangements on the hollow pole of second, have through second spring coupling with positioning shaft 4 of 3 assorted of positioning hole on the first hollow pole. And the outer surface of the telescopic rod 2 is provided with scale marks 5.

The utility model discloses a supporting seat, including supporting seat 1, regulation seat 6 and connecting seat 7, still be equipped with the elevation structure 8 that the seat 6 goes up and down is adjusted in the drive between regulation seat 6 and the supporting seat 1. The lifting device can be a plurality of uniformly distributed telescopic columns, and the structures of the telescopic columns are the same as those of the telescopic rod 2. A plurality of damping springs 9 are arranged between the adjusting seat 6 and the connecting seat 7. Referring to the description of fig. 2, the connecting base 7 is provided with four through grooves 10, four arc-shaped blocks 11 for clamping the level gauge 26, and first fixing pieces 12 for fixing the positions of the arc-shaped blocks 11, respectively. The four through grooves 10 are respectively located in four directions of the connecting seat 7, the bottom of each of the four arc-shaped blocks 11 is provided with a sliding block, and the four arc-shaped blocks 11 are respectively located in one of the through grooves 10 through the sliding blocks and move along the direction of the through groove 10. First mounting 12 includes screw and nut, first mounting 12 is fixed and is passed through the inslot 10 and be located the outer end of arc piece 11, the biggest space that four arc pieces 11 of restriction enclose and close. The inner side of the arc block 11 is also provided with a first buffer layer 28.

The triangular support comprises a support base 13 and three support legs which are triangularly arranged, the support legs are hinged to the bottom surface of the support base 13 respectively, three strip-shaped grooves are formed in the bottom surface of the support base 13, and hinged joints between the support legs and the support base 13 are located in the strip-shaped grooves respectively. Every stabilizer blade from the top down includes dead lever 14, montant 15 and the most advanced 16 of inserting that links to each other in proper order, montant 15 perpendicular to horizontal plane, montant 15 lower part is equipped with a plurality of pinholes 17 that are vertical range, insert and have through first spring coupling on the most advanced 16 with pinhole 17 assorted round pin axle 18. The middle part of the bottom of the bracket base 13 is also fixedly connected with a middle support rod 19, and the structure of the middle support rod 19 is the same as that of the telescopic rod 2 and can be stretched up and down. The maximum length of the extended middle stay bar 19 is larger than the length of the support leg, and the bottom of the middle stay bar 19 is provided with a pulley 20.

The stand further comprises a second fixing element 21 and a cylindrical cover 22 made of a hard material, said cover 22 may be made of plastic. The lower portion of the cover body 22 is uniformly provided with four connecting columns 23, the connecting columns 23 are respectively distributed in four directions of the cover body 22, through holes 24 matched with the connecting columns 23 are formed in the connecting base 7, and the connecting columns 23 penetrate through the through holes 24 and are matched with the second fixing piece 21 to fix the cover body 22 on the connecting base 7. When the connecting column 23 is provided with a thread, the second fixing member 21 may be a nut, or the connecting column 23 is provided with a connecting hole, the connecting hole penetrates through the connecting column 23, the second fixing member 21 may be a connecting shaft, and the connecting shaft may transversely penetrate through the connecting hole.

A second buffer layer 25 is further disposed in the cover 22, and a plurality of recessed regions are disposed in the second buffer layer 25 and respectively match with each portion of the leveling instrument 26, referring to fig. 1 of the specification, wherein the shape of the leveling instrument 26 and the second buffer layer 25 is only a schematic diagram and is not an actual shape. The cover body 22 and the connecting base 7 are both provided with a marker 27 for marking the placing angle of the level gauge 26, the marker 27 can be a marking line, after the measurement is finished, the level gauge 26 is rotated, a preset component representing the position of the marking line on the level gauge 26 is aligned with the marking line on the connecting base 7, then a proper direction is selected, the cover body 22 is placed on the connecting base 7, the marking lines of the cover body and the connecting base are aligned, and then the cover body 22 is fixed by the second fixing piece 21.

In conclusion, after the ordinary skilled in the art reads the document of the present invention, the technical solution and technical idea of the present invention do not need creative mental labor and make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.

Claims

1. A foot rest for a level, characterized in that: the support comprises a support seat (1), an expansion rod (2) and a triangular support which are sequentially connected, wherein the triangular support comprises a support seat (13) and three support legs which are arranged in a triangular manner, and the support legs are respectively hinged with the bottom surface of the support seat (13); the lifting device is characterized in that an adjusting seat (6) and a connecting seat (7) are sequentially arranged above the supporting seat (1) from bottom to top, a lifting structure (8) for driving the adjusting seat (6) to lift is further arranged between the adjusting seat (6) and the supporting seat (1), a plurality of damping springs (9) are further arranged between the adjusting seat (6) and the connecting seat (7), a through groove (10), an arc block (11) for clamping a level gauge (26) and a first fixing piece (12) for fixing the position of the arc block (11) are arranged on the connecting seat (7), a sliding block matched with the through groove (10) is arranged at the bottom of the arc block (11), the sliding block is located in the through groove (10) and drives the arc block (11) to move along the direction of the through groove (10), and a first buffer layer (28) is further arranged on the inner side of the arc block; every stabilizer blade from the top down is including consecutive dead lever (14), montant (15) and insert most advanced (16), montant (15) perpendicular to horizontal plane, montant (15) lower part is equipped with a plurality of pinhole (17) that are vertical range, insert on most advanced (16) through first spring coupling have with pinhole (17) assorted round pin axle (18).

2. A foot rest for a level according to claim 1, characterised in that: the outer surface of the telescopic rod (2) is provided with scale marks (5).

3. A foot rest for a level according to claim 2, characterised in that: telescopic link (2) form for the hollow tube cartridge of different pipe diameters, from inside to outside include the hollow pole of first hollow pole and second, be equipped with positioning hole (3) of a plurality of vertical arrangements on the hollow pole of second, have through second spring coupling on the first hollow pole with positioning hole (3) assorted location axle (4).

4. A foot rest for a level according to claim 1 or 3, characterised in that: the middle part of the bottom of the bracket seat (13) is also fixedly connected with a middle support rod (19), and the middle support rod (19) can stretch up and down.

5. A foot rest for a level gauge as claimed in claim 4, wherein: the maximum length of the extended middle stay bar (19) is larger than that of the support leg, and a pulley (20) is arranged at the bottom of the middle stay bar (19).

6. A foot rest for a level according to claim 1 or 5, characterised in that: still include second mounting (21) and the cylindrical cover body (22) of making by hard material, cover body (22) lower part evenly is equipped with four spliced pole (23), spliced pole (23) distribute respectively in four directions of the cover body (22), be equipped with on connecting seat (7) with spliced pole (23) assorted through-hole (24), through-hole (24) are passed in spliced pole (23), fix the cover body (22) on connecting seat (7) with second mounting (21) cooperation.

7. A foot rest for a level gauge as claimed in claim 6, wherein: a second buffer layer (25) is further arranged in the cover body (22).

8. A foot rest for a level according to claim 7, characterised in that: a plurality of depressed areas which are respectively matched with all parts of the level gauge (26) are arranged in the second buffer layer (25).

9. A foot rest for a level according to claim 8, characterised in that: the cover body (22) and the connecting seat (7) are provided with markers (27) for marking the placing angle of the level gauge (26).

10. A foot rest for a level according to claim 1 or 9, characterised in that: the bottom surface of the support base (13) is provided with three strip-shaped grooves, and hinged points between the support legs and the support base (13) are respectively positioned in the strip-shaped grooves.