CN214121150U

CN214121150U - Level gauge

Info

Publication number: CN214121150U
Application number: CN202120359026.0U
Authority: CN
Inventors: 孙桂民
Original assignee: Tianjin Xinran Municipal Engineering Co ltd
Current assignee: Tianjin Xinran Municipal Engineering Co ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-09-03
Anticipated expiration: 2031-02-06

Abstract

The utility model discloses a level, including level and tripod, the tripod includes the mount pad, the level is installed in the top of mount pad, the mount pad is triangle-shaped, three lateral wall of mount pad all is provided with supporting mechanism, supporting mechanism includes two bracing pieces, the top of bracing piece is articulated with the lateral wall of mount pad, the bottom of two bracing pieces is the common fixedly connected with connecting plate, the outer wall of two bracing pieces is provided with locking mechanism jointly, locking mechanism includes the cover shell, the top symmetry of cover shell is run through and is provided with two through-holes; the utility model discloses in, the action bars rotates the eccentric wheel to the drive slider slides in the mounting groove, in order to utilize the cooperation of quarter butt and chute, two U-shaped pieces of drive remove to the direction of keeping away from the slider simultaneously, when the far point of eccentric wheel and slider contact, can make the bracing piece that the U-shaped piece will correspond press from both sides tightly, easy operation is swift, excellent in use effect.

Description

Level gauge

Technical Field

The utility model relates to a municipal works technical field especially relates to a surveyor's level.

Background

The level is an instrument for establishing a horizontal sight line to measure the height difference between two points on the ground. The principle is to measure the height difference between ground points according to the leveling principle. The main components are hopeful to be a telescope, a tube level gauge (or compensator), a vertical shaft, a base and a foot screw. It is divided into a micro-tilt 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, and the level is a common instrument in municipal engineering.

The existing level is usually used with a tripod, but when the tripod is used, the length of the adjusted level is inconvenient to lock, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a level to solve the problem of proposing among the above-mentioned background art.

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

a level comprises a level and a tripod, the tripod comprises a mounting seat, the level is mounted at the top of the mounting seat, the mounting seat is triangular, three side walls of the mounting seat are respectively provided with a supporting mechanism, the supporting mechanism comprises two supporting rods, the top ends of the supporting rods are hinged with the side walls of the mounting seat, the bottom ends of the two supporting rods are fixedly connected with a connecting plate, the outer walls of the two supporting rods are provided with a locking mechanism together, the locking mechanism comprises a casing, the top of the casing is symmetrically provided with two through holes in a penetrating manner, the supporting rods are penetrated through by the corresponding through holes, the bottom ends of the supporting rods are fixedly connected with an extension rod, the bottom end of the extension rod penetrates through the connecting plate, the inner wall of the casing is provided with a mounting groove, the inner wall of the mounting groove is provided with a sliding block in a sliding manner, and the outer walls at two sides of the sliding block are symmetrically provided with a plurality of short rods, the inner wall symmetry of mounting groove is run through and is provided with two U-shaped pieces, the both sides outer wall symmetry of U-shaped piece is run through and is provided with two chutes, the both ends of slider are located the U-shaped piece that corresponds, the quarter butt is located the chute that corresponds, the inner wall of mounting groove rotates and is provided with the pivot, the fixed cover of outer wall of pivot has connect the eccentric wheel, the outer wall laminating of eccentric wheel and slider, fixedly connected with action bars behind the inner wall of cover shell is run through to the tip of pivot.

Through adopting above-mentioned technical scheme, when needing to adjust supporting mechanism's length, the outer wall slip cover shell at the bracing piece can, when needing to fix a position length, rotate the eccentric wheel through the action bars, thereby the drive slider slides in the mounting groove, in order to utilize the cooperation of quarter butt and chute, two U-shaped pieces of drive are simultaneously to the direction removal of keeping away from the slider, when the distant point (the farthest department of outer wall apart from the axle center) of eccentric wheel and slider contact, can make the bracing piece that the U-shaped piece will correspond press from both sides tightly, and easy operation is swift, excellent in use effect.

Further setting the following steps: two guiding holes are symmetrically formed in the outer wall of the sliding block, a guiding rod is fixedly connected to the corresponding position of the inner wall of the mounting groove and the guiding holes, and the end portion of the guiding rod is located in the corresponding guiding hole.

Through adopting above-mentioned technical scheme, utilize the cooperation of guiding hole and guide bar, can play effectual guide effect to the slider to improve the stability that the slider removed in the mounting groove.

Further setting the following steps: the outer wall activity of guide bar has cup jointed the spring, the one end of spring offsets with the inner wall of mounting groove, the other end of spring offsets with the outer wall of slider.

By adopting the technical scheme, the outer wall of the sliding block can be always tightly attached to the outer wall of the eccentric wheel by utilizing the elasticity of the spring.

Further setting the following steps: the limiting groove is formed in the outer wall of the U-shaped block, a limiting strip is fixedly connected to the corresponding position of the inner wall of the mounting groove and the limiting groove, the limiting strip is located in the corresponding limiting groove, and the limiting strip is connected with the limiting groove in a sliding mode.

Through adopting above-mentioned technical scheme, utilize the setting of spacing and spacing groove, can carry out spacing direction to the moving direction of U-shaped piece to improve the stability that the U-shaped piece removed.

Further setting the following steps: the side wall of the U-shaped block is fixedly connected with a rubber pad at the corresponding position of the support rod.

Through adopting above-mentioned technical scheme, the setting of rubber pad not only can avoid because of the direct and bracing piece contact of U-shaped piece, and the bracing piece outer wall that causes is impaired, can improve simultaneously and the bracing piece between the frictional force to promote the shrink effect.

To sum up, the utility model discloses a beneficial technological effect does:

1. the utility model discloses in, the action bars rotates the eccentric wheel to the drive slider slides in the mounting groove, in order to utilize the cooperation of quarter butt and chute, two U-shaped pieces of drive remove to the direction of keeping away from the slider simultaneously, when the far point of eccentric wheel and slider contact, can make the bracing piece that the U-shaped piece will correspond press from both sides tightly, easy operation is swift, excellent in use effect.

2. The utility model discloses in, utilize the cooperation of guiding hole and guide bar, can play effectual guide effect to the slider to improve the stability that the slider removed in the mounting groove, utilize the elasticity of spring, can make the outer wall of slider hug closely the outer wall of eccentric wheel all the time.

3. The utility model discloses a setting of rubber pad not only can avoid because of the direct and bracing piece contact of U-shaped piece, and the bracing piece outer wall that causes is impaired, can improve simultaneously and the bracing piece between the frictional force to promote the shrink effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the operation rod of the present invention;

FIG. 3 is a schematic structural view of the middle short rod of the present invention;

FIG. 4 is a schematic structural view of a guide groove of the present invention;

fig. 5 is a schematic structural view of the middle position-limiting strip of the present invention.

Reference numerals: 1. a level gauge; 2. a tripod; 3. a mounting seat; 4. a support bar; 5. a connecting plate; 6. an extension pole; 7. a housing; 8. a through hole; 9. mounting grooves; 10. a rotating shaft; 11. an eccentric wheel; 12. a slider; 13. a short bar; 14. a guide hole; 15. a guide bar; 16. a spring; 17. a U-shaped block; 18. a chute; 19. a rubber pad; 20. a limiting groove; 21. a limiting strip; 22. an operating lever.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, for the leveling instrument disclosed by the present invention, the leveling instrument comprises a leveling instrument 1 and a tripod 2, the tripod 2 comprises a mounting base 3, the leveling instrument 1 is mounted on the top of the mounting base 3, the mounting base 3 is triangular, three side walls of the mounting base 3 are all provided with a supporting mechanism, the supporting mechanism comprises two supporting rods 4, the top ends of the supporting rods 4 are hinged with the side walls of the mounting base 3, the bottom ends of the two supporting rods 4 are jointly and fixedly connected with a connecting plate 5, the outer walls of the two supporting rods 4 are jointly provided with a locking mechanism, the locking mechanism comprises a casing 7, the top of the casing 7 is symmetrically provided with two through holes 8 in a penetrating manner, the supporting rods 4 are passed through by the corresponding through holes 8, the bottom of the supporting rods 4 are fixedly connected with an extension rod 6, the bottom end of the extension rod 6 penetrates through the connecting plate 5, mounting groove 9 has been seted up to the inner wall of cover 7, the inner wall of mounting groove 9 slides and is provided with slider 12, the both sides outer wall symmetry of slider 12 is provided with a plurality of quarter butt 13, the inner wall symmetry of mounting groove 9 is run through and is provided with two U-shaped blocks 17, the both sides outer wall symmetry of U-shaped block 17 is run through and is provided with two chutes 18, the both ends of slider 12 are located corresponding U-shaped block 17, quarter butt 13 is located corresponding chute 18, the inner wall of mounting groove 9 rotates and is provided with pivot 10, eccentric wheel 11 has been cup jointed to the outer wall of pivot 10, the outer wall of eccentric wheel 11 and the outer wall laminating of slider 12, fixedly connected with action bars 22 behind the inner wall of cover 7 is run through to the tip of pivot 10.

When the length of the supporting mechanism needs to be adjusted, the outer wall of the supporting rod 4 can slide on the sleeve 7, when the length needs to be positioned, the eccentric wheel 11 is rotated through the operating rod 22, so that the sliding block 12 is driven to slide in the mounting groove 9, the two U-shaped blocks 17 are driven to move towards the direction far away from the sliding block 12 simultaneously by utilizing the matching of the short rod 13 and the chute 18, and when the far point (the farthest position of the outer wall from the axis) of the eccentric wheel 11 is contacted with the sliding block 12, the corresponding supporting rod 4 can be clamped tightly by the U-shaped blocks 17, so that the operation is simple and rapid, and the using effect is good.

Two guide holes 14 are symmetrically formed in the outer wall of the sliding block 12, guide rods 15 are fixedly connected to the corresponding positions of the inner wall of the mounting groove 9 and the guide holes 14, and the end portions of the guide rods 15 are located in the corresponding guide holes 14.

By means of the cooperation of the guide hole 14 and the guide rod 15, the sliding block 12 can be effectively guided, and therefore the stability of the sliding block 12 moving in the mounting groove 9 is improved.

A spring 16 is movably sleeved on the outer wall of the guide rod 15, one end of the spring 16 abuts against the inner wall of the mounting groove 9, and the other end of the spring 16 abuts against the outer wall of the sliding block 12.

The outer wall of the sliding block 12 can be always tightly attached to the outer wall of the eccentric wheel 11 by the elasticity of the spring 16.

The outer wall of U-shaped piece 17 has seted up spacing groove 20, the inner wall of mounting groove 9 and the department fixedly connected with spacing strip 21 that corresponds of spacing groove 20, spacing strip 21 is located the spacing groove 20 that corresponds, spacing strip 21 and spacing groove 20 sliding connection.

By means of the arrangement of the limiting strip 21 and the limiting groove 20, the moving direction of the U-shaped block 17 can be limited and guided, and therefore the moving stability of the U-shaped block 17 is improved.

The side wall of the U-shaped block 17 is fixedly connected with a rubber pad 19 corresponding to the support rod 4.

The rubber pad 19 is arranged, so that the damage to the outer wall of the supporting rod 4 caused by the direct contact between the U-shaped block 17 and the supporting rod 4 can be avoided, and meanwhile, the friction force between the supporting rod 4 and the rubber pad can be improved, and the shrinking effect is improved.

The utility model discloses a theory of operation and beneficial effect do:

The cooperation of the guide hole 14 and the guide rod 15 can effectively guide the sliding block 12, thereby improving the stability of the sliding block 12 moving in the mounting groove 9, and the elasticity of the spring 16 can make the outer wall of the sliding block 12 cling to the outer wall of the eccentric wheel 11 all the time.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A level, characterized by: comprises a level (1) and a tripod (2), wherein the tripod (2) comprises a mounting seat (3), the level (1) is mounted at the top of the mounting seat (3), the mounting seat (3) is triangular, three side walls of the mounting seat (3) are respectively provided with a supporting mechanism, each supporting mechanism comprises two supporting rods (4), the top ends of the supporting rods (4) are hinged with the side walls of the mounting seat (3), the bottom ends of the two supporting rods (4) are jointly and fixedly connected with a connecting plate (5), the outer walls of the two supporting rods (4) are jointly provided with a locking mechanism, each locking mechanism comprises a casing (7), two through holes (8) are symmetrically arranged at the top of the casing (7) in a penetrating manner, the supporting rods (4) are penetrated through corresponding through holes (8), and the bottom parts of the supporting rods (4) are fixedly connected with extension rods (6), the bottom end of the extension rod (6) penetrates through the connecting plate (5), the inner wall of the casing (7) is provided with an installation groove (9), the inner wall of the mounting groove (9) is provided with a sliding block (12) in a sliding way, the outer walls of the two sides of the sliding block (12) are symmetrically provided with a plurality of short rods (13), two U-shaped blocks (17) are symmetrically arranged on the inner wall of the mounting groove (9) in a penetrating way, two inclined grooves (18) are symmetrically arranged on the outer walls of the two sides of the U-shaped block (17) in a penetrating way, the two ends of the sliding block (12) are positioned in the corresponding U-shaped blocks (17), the short rod (13) is positioned in the corresponding inclined groove (18), a rotating shaft (10) is rotatably arranged on the inner wall of the mounting groove (9), an eccentric wheel (11) is fixedly sleeved on the outer wall of the rotating shaft (10), the outer wall of the eccentric wheel (11) is attached to the outer wall of the sliding block (12), and the end of the rotating shaft (10) penetrates through the inner wall of the casing (7) and then is fixedly connected with an operating rod (22).

2. A spirit level according to claim 1, in which: two guiding holes (14) have been seted up to the outer wall symmetry of slider (12), the inner wall of mounting groove (9) and the department fixedly connected with guide bar (15) that corresponds of guiding hole (14), the tip of guide bar (15) is located corresponding guiding hole (14).

3. A spirit level according to claim 2, in which: the outer wall of the guide rod (15) is movably sleeved with a spring (16), one end of the spring (16) abuts against the inner wall of the mounting groove (9), and the other end of the spring (16) abuts against the outer wall of the sliding block (12).

4. A spirit level according to claim 1, in which: limiting groove (20) have been seted up to the outer wall of U-shaped piece (17), the inner wall of mounting groove (9) and the department fixedly connected with spacing (21) of the correspondence of limiting groove (20), spacing (21) are located corresponding limiting groove (20), spacing (21) and limiting groove (20) sliding connection.

5. A spirit level according to claim 1, in which: the side wall of the U-shaped block (17) is fixedly connected with a rubber pad (19) at the corresponding position of the support rod (4).