CN211085209U

CN211085209U - Adjustable level

Info

Publication number: CN211085209U
Application number: CN201922415012.1U
Authority: CN
Inventors: 崔逊马; 梅根; 马永
Original assignee: Wuxi Huaye Surveying And Mapping Service Co ltd
Current assignee: Wuxi Huaye Surveying And Mapping Service Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-07-24
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to an adjustable level, which comprises a level body and a tripod, wherein the tripod comprises a fixed plate, a mounting seat, a guide column, an adjusting device arranged on the fixed plate, and a supporting leg which is adjustable in length and is hinged at the bottom of the fixed plate; the adjusting device comprises an adjusting box fixed on the fixing plate and arranged on one side of the mounting seat, a driving plate in sliding connection with the inner side wall of the adjusting box, a connecting plate vertically arranged and fixed at the bottom of the mounting seat, and a driving part arranged in the adjusting box and used for driving the driving plate to vertically move; the lateral wall that the regulating box is close to the mount pad has seted up the vertical lift groove of length direction, and sliding connection has the connecting block in the lift groove, and the both sides lateral wall of connecting block is fixed with drive plate and connecting plate bottom respectively. The utility model discloses have the function of adjusting the spirit level body height, it is high to adjust the precision, and convenient operation.

Description

Adjustable level

Technical Field

The utility model belongs to the technical field of the technique of survey and drawing and specifically relates to relate to adjustable type surveyor's level.

Background

The level gauge is an instrument for measuring the height difference between two ground points by establishing a horizontal sight line, the principle is to measure the height difference between the ground points according to the leveling principle, and main components of the level gauge are expected to be a telescope, a pipe level gauge (or a compensator), a vertical shaft, a base, a foot screw, a slightly inclined screw and the like. Current surveyor's level body bottom is equipped with the rack usually, and this type of rack is equipped with three landing legs usually for support the surveyor's level, a lot of rack structures are simple and easy, thereby often need operating personnel to adjust the corner of three landing legs and realize adjusting the high function of surveyor's level, and operating accuracy is not high.

At present, chinese utility model patent that bulletin number is CN207036091U discloses a surveyor's level foot rest, including footstock and a plurality of supporting rod of setting at the footstock lower extreme, the shifting chute with the supporting rod coaxial line is seted up to the one end that the footstock was kept away from to the supporting rod, and the shifting chute internal slip of supporting rod is connected with the stabilizer blade, is equipped with the spacing subassembly of restriction stabilizer blade at the shifting chute internal rotation on the stabilizer blade, and the one end that the footstock was kept away from to the supporting rod is rotated and is connected with threaded sleeve, threaded sleeve's inner wall and stabilizer blade threaded connection. The utility model discloses a supporting connection rod, including the footstock, the footstock is connected with the top seat, and the supporting connection rod includes head rod and second connecting rod, the one end that the head rod is close to the footstock is articulated with the footstock, the second connecting rod is worn to establish in the head rod, the head rod is kept away from and is connected with locking bolt with the articulated one end screw thread of footstock, locking bolt passes first connecting rod pole wall and contradicts with the second connecting rod. The operator can freely remove the position of second connecting rod in the head rod and fixed through the locking bolt to freely adjust the length of supporting the connecting rod, adjusted the height of surveyor's level, in order to adapt to different topography.

The above prior art solutions have the following drawbacks: this surveyor's level foot rest is only through the height of adjusting the length regulation surveyor's level body of adjusting the supporting link, and it is not enough to adjust the precision, and adjusts the operation inconveniently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an adjustable level, it has the function of adjusting the level body height, adjusts the precision height, and convenient operation.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

The adjustable level comprises a level body and a tripod arranged at the bottom of the level body, wherein the tripod comprises a fixed plate, a mounting seat arranged on the fixed plate, a guide column vertically arranged at the bottom of the mounting seat, an adjusting device arranged on the fixed plate and a supporting leg with adjustable length and hinged to the bottom of the fixed plate, the upper end of the guide column is fixed with the bottom surface of the mounting seat, and the lower end of the guide column penetrates through the fixed plate and is in sliding fit with the fixed plate; the adjusting device comprises an adjusting box fixed on the fixing plate and arranged on one side of the mounting seat, a driving plate horizontally arranged in the adjusting box and connected with the inner side wall of the adjusting box in a sliding manner, a connecting plate vertically arranged and fixed at the bottom of the mounting seat, and a driving part arranged in the adjusting box and used for driving the driving plate to vertically move; the adjusting box is close to the lateral wall of mount pad has seted up the vertical lift groove of length direction, sliding connection has the connecting block in the lift groove, the both sides lateral wall of connecting block respectively with drive plate and connecting plate bottom are fixed.

Through adopting above-mentioned technical scheme, when operating personnel used this surveyor's level, operating personnel at first adjusts the length of supporting leg, then rotate the supporting leg, make the fixed plate stably supported by three supporting legs, the rough height of surveyor's level body has been adjusted, then operating personnel has driven the vertical removal of drive plate through the drive division, make the connecting plate vertical movement who passes through the connecting block fixed with the drive plate, the length direction vertical movement of mount pad along the guide post has been driven, thereby the height of surveyor's level body on the mount pad has been adjusted once more, compare with the mode of only adjusting the height of surveyor's level body through adjusting supporting leg length, it is higher to adjust the precision, and need not the length of each supporting leg of repetitious adjustment, and.

The present invention may be further configured in a preferred embodiment as: the driving part comprises a screw rod vertically penetrating through the driving plate and in threaded connection with the driving plate, a first bevel gear sleeved at the lower end of the screw rod and fixed with the screw rod, a driving shaft horizontally penetrating through the outer side wall of the adjusting box and in rotary connection with the outer side wall of the adjusting box, a second bevel gear sleeved on the driving shaft and fixed with the driving shaft, and a rotating block fixed at one end of the driving shaft penetrating out of the adjusting box, wherein the second bevel gear is arranged in the adjusting box and meshed with the first bevel gear, the upper end of the screw rod is in rotary connection with the inner top surface of the adjusting box, and the lower end of the screw rod is in rotary connection with the inner.

Through adopting above-mentioned technical scheme, after operating personnel had adjusted the length of supporting leg and rotated the supporting leg, operating personnel rotated the turning block, had driven the drive shaft and has rotated for second bevel gear and first bevel gear rotate, thereby driven the lead screw and rotated, made the vertical removal of drive plate, had adjusted the height of mount pad and spirit level body.

The present invention may be further configured in a preferred embodiment as: and anti-slip strips are fixed on the arc-shaped surface of the rotating block, a plurality of anti-slip strips are arranged, and the plurality of anti-slip strips surround the axis of the driving shaft and are uniformly distributed.

Through adopting above-mentioned technical scheme, the setting of antislip strip for the arc surface unevenness of turning block has increased the friction between operating personnel hand and the turning block, skids when preventing operating personnel from rotating the turning block.

The present invention may be further configured in a preferred embodiment as: and a limiting block is fixed at the lower end of the guide post.

Through adopting above-mentioned technical scheme, the setting of stopper has prevented breaking away from of guide post and fixed plate.

The present invention may be further configured in a preferred embodiment as: the guide post is sleeved with two positioning nuts, the two positioning nuts are respectively arranged on the upper side and the lower side of the fixing plate, and the two positioning nuts are in threaded connection with the guide post.

Through adopting above-mentioned technical scheme, after the altitude mixture control of mount pad finishes, operating personnel screwed set nut for the fixed plate is pressed from both sides tightly by two set nut, thereby makes the guide post fixed with the fixed plate, prevents that the mount pad from gliding because of the action of gravity.

The present invention may be further configured in a preferred embodiment as: the guide posts are three and surround the axis of the fixed plate and are evenly distributed, and the guide posts are arranged between the adjacent supporting legs respectively.

Through adopting above-mentioned technical scheme, the guide post sets up between the supporting leg, contradicts with the guide post when preventing that the supporting leg from merging.

The present invention may be further configured in a preferred embodiment as: a telescopic groove is formed in the end face, far away from the fixing plate, of the supporting leg, the telescopic groove extends along the length direction of the supporting leg, and a telescopic rod is arranged on the supporting leg; one end of the telescopic rod penetrates into the telescopic groove and is in sliding fit with the inner wall of the telescopic groove, and the other end of the telescopic rod penetrates out of the supporting leg; the telescopic rod is provided with a plurality of adjusting holes arranged along the length direction of the telescopic rod, the supporting leg is further provided with a butterfly bolt, the butterfly bolt penetrates through the outer side wall of the supporting leg and penetrates into the adjusting holes, and the butterfly bolt is in threaded fit with the inner wall of the adjusting hole.

Through adopting above-mentioned technical scheme, operating personnel removes the overall length that the telescopic link can change the supporting leg, then operating personnel screws the butterfly bolt for the butterfly bolt screw in with the adjusting hole that supporting leg length corresponds this moment, thereby make telescopic link and supporting leg fixed, adjusted the length of supporting leg.

The present invention may be further configured in a preferred embodiment as: the supporting legs are also fixed with binding ropes which are convenient for binding the supporting legs.

Through adopting above-mentioned technical scheme, the setting of binding the rope for three supporting legs are binded together after merging, conveniently carry.

The present invention may be further configured in a preferred embodiment as: the side walls of the supporting legs, which are close to each other, are fixed with a combining block, the combining block is in a fan-shaped block shape, and the fan-shaped angle of the combining block is 120 degrees.

By adopting the technical scheme, after the three supporting legs are combined, the combining blocks on the three supporting legs are combined into a round block, so that the supporting legs are prevented from continuously rotating inwards after being combined, and the level gauge is convenient to carry.

To sum up, the utility model discloses a following at least one useful technological effect:

When an operator uses the level, the operator firstly adjusts the length of the supporting legs, then rotates the supporting legs to adjust the rough height of the level body, then drives the driving plate to vertically move through the driving part, so that the connecting plate vertically moves, and the height of the level body on the mounting seat is adjusted again;

After the height of the mounting seat is adjusted, an operator screws the positioning nut to fix the guide post and the fixing plate, so that the mounting seat is prevented from sliding downwards under the action of gravity;

An operator moves the telescopic rod and then screws the butterfly bolt, so that the butterfly bolt is screwed into the adjusting hole corresponding to the length of the supporting leg at the moment, the telescopic rod is fixed with the supporting leg, and the length of the supporting leg is adjusted.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a schematic view of the structure of the adjusting device.

Reference numerals: 1. a fixing plate; 2. a mounting seat; 3. a guide post; 31. a limiting block; 32. positioning a nut; 4. a level body; 5. an adjustment device; 51. an adjusting box; 511. a lifting groove; 512. connecting blocks; 52. a drive plate; 53. a connecting plate; 54. a drive section; 541. a screw rod; 542. a first bevel gear; 543. a drive shaft; 544. a second bevel gear; 545. rotating the block; 546. anti-slip strips; 6. supporting legs; 61. a telescopic rod; 611. an adjustment hole; 62. a butterfly bolt; 63. combining the blocks; 64. and (6) binding the ropes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an adjustable level, including level body 4 and tripod, the tripod includes fixed plate 1, mount pad 2, guide post 3, supporting leg 6 and adjusting device 5. Fixed plate 1 is circular platelike, and its axis is vertical, and mount pad 2 is circular pedestal structure, and the axis of mount pad 2 and the axis coincidence of fixed plate 1, and mount pad 2 sets up in fixed plate 1 upside. The guide post 3 is the cylinder structure, and its axis is vertical, and 3 upper ends of guide post are fixed with 2 bottom surfaces of mount pad, and 3 lower extremes of guide post run through fixed plate 1 and with fixed plate 1 cooperation of sliding, and 3 lower extremes of guide post are fixed with stopper 31. The limiting block 31 is in a circular block shape, the axis of the limiting block 31 coincides with the axis of the guide column 3, and the diameter of the limiting block 31 is larger than that of the guide column 3, so that the guide column 3 is prevented from being separated from the fixing plate 1. The guide posts 3 are three, and the three guide posts 3 are uniformly distributed around the axis of the mounting base 2. Level body 4 is current level equipment, its and mount pad 2 upper surface fixed for the building survey and drawing.

Referring to fig. 1, the supporting legs 6 are rod-shaped structures with rectangular cross sections, one end of each supporting leg is hinged to the bottom surface of the fixing plate 1, the other end of each supporting leg is arranged downwards, the three supporting legs 6 are evenly distributed around the axis of the fixing plate 1, each guide column 3 is arranged between the adjacent supporting legs 6, and in addition, the three supporting legs 6 are arranged horizontally relative to the rotation axis of the fixing plate 1 and around the axis of the fixing plate 1. Be equipped with telescopic link 61 and butterfly bolt 62 on the supporting leg 6, and the supporting leg 6 is kept away from the one end terminal surface of fixed plate 1 and has been seted up flexible groove, and the opening in flexible groove is the rectangle, and its length direction is unanimous with the length direction of supporting leg 6. The cross section of the telescopic rod 61 is rectangular, one end of the telescopic rod penetrates into the telescopic groove and is matched with the inner wall of the telescopic groove in a sliding manner, and the other end of the telescopic rod 61 is arranged outside the supporting leg 6 and is in a quadrangular pyramid shape. The side wall of the telescopic rod 61 close to the axis of the fixed plate 1 is provided with a plurality of adjusting holes 611, the opening of the adjusting holes 611 is circular, and the adjusting holes 611 are uniformly arranged along the length direction of the telescopic rod 61. The end of the butterfly bolt 62 vertically penetrates the outer side wall of the supporting leg 6 close to the axis of the fixing plate 1 and penetrates into the telescopic groove, the end of the butterfly bolt 62 penetrates into an adjusting hole 611 on the telescopic rod 61 and is in threaded fit with the inner wall of the adjusting hole 611, and when the butterfly bolt 62 is screwed tightly, the telescopic rod 61 is fixed with the supporting leg 6.

Referring to fig. 2, the adjusting device 5 includes an adjusting box 51, a driving plate 52, a connecting plate 53, and a driving portion 54, wherein the adjusting box 51 has a box structure and is disposed on one side of the mounting base 2, and a bottom surface of the adjusting box 51 is fixed to an upper surface of the fixing plate 1. The side walls of the regulating box 51 close to and far from the axis of the fixed plate 1 are both arc-shaped, and the surrounding axis of the arc-shaped surface of the regulating box 51 coincides with the axis of the fixed plate 1. The driving plate 52 is horizontally arranged in the adjusting box 51, the plate surface of the driving plate 52 is overlapped with the horizontal section of the adjusting box 51, and the side wall of the driving plate 52 is matched with the inner side wall of the driving box in a sliding mode. The connecting plate 53 is arc-shaped plate-shaped, and is vertically arranged, and the horizontal section of the connecting plate 53 is arc-shaped. The bottom surface of connecting plate 53 upper end and mount pad 2 is fixed, and the arc of connecting plate 53 encircles the axis and coincides with the axis of fixed plate 1, and the arc lateral wall that connecting plate 53 kept away from the axis of fixed plate 1 and the arc surface laminating and the cooperation of sliding that regulating box 51 is close to the axis of fixed plate 1. The arc-shaped side wall of the adjusting box 51 close to the connecting plate 53 is provided with a lifting groove 511, the opening of the lifting groove 511 is rectangular, the length direction of the lifting groove 511 is vertical, and the length direction of the lifting groove 511 is vertical. The lifting groove 511 is slidably connected with a connecting block 512, the connecting block 512 is rectangular block-shaped, two opposite side walls of the connecting block are in sliding fit with two inner side walls of the lifting groove 511, and the other two side walls are respectively fixed with the side walls, close to the driving plate 52 and the connecting plate 53, of the connecting block. The driving section 54 includes a screw 541, a first bevel gear 542, a driving shaft 543, a second bevel gear 544, and a rotating block 545. The screw rod 541 is vertically arranged in the adjusting box 51, the screw rod 541 penetrates through the upper surface and the bottom surface of the driving plate 52 and is in threaded fit with the driving plate 52, the upper end of the screw rod 541 is rotatably connected with the inner top surface of the adjusting box 51, and the lower end of the screw rod 541 is rotatably connected with the inner bottom surface of the adjusting box 51. The first bevel gear 542 is sleeved on the lower end of the screw 541 and fixed with the screw 541, the driving shaft 543 is in a circular shaft shape, and the driving shaft 543 horizontally penetrates through the side wall of the adjusting box 51 far from the connecting plate 53 and is rotatably connected with the side wall. The second bevel gear 544 is disposed in the adjustment box 51 and fixed to one end of the driving shaft 543 located in the adjustment box 51, the second bevel gear 544 is meshed with the first bevel gear 542, and the number of teeth of the first bevel gear 542 is multiple of the number of teeth of the second bevel gear 544. The rotary block 545 is a circular block, the axis of which coincides with the axis of the driving shaft 543, and the rotary block 545 is fixed to one end of the driving shaft 543 which penetrates through the adjustment box 51. The anti-slip strips 546 are fixed on the cylindrical surface of the rotating block 545, the anti-slip strips 546 are strip-shaped structures with rectangular cross sections, the length direction of the anti-slip strips 546 is parallel to the axis of the rotating block 545, a plurality of anti-slip strips 546 are arranged, and the anti-slip strips 546 are uniformly distributed around the axis of the rotating block 545.

Referring to fig. 1 and 2, a positioning nut 32 is sleeved on one guide post 3 close to the adjusting box 51, the positioning nuts 32 are in threaded connection with the guide post 3, two positioning nuts 32 are provided, and the two positioning nuts 32 are respectively arranged on the upper side and the lower side of the fixing plate 1. In addition, still be equipped with on the supporting leg 6 and close piece 63 and tie up rope 64, merge piece 63 and be fan-shaped cubic, and its fan-shaped angle is 120, and the arc surface of merging piece 63 is close to the lateral wall of fixed plate 1 axis with supporting leg 6 and is fixed, and when three supporting legs 6 rotated to vertical, the piece 63 that closes on three supporting legs 6 merged and is circular cubic to make supporting leg 6 keep vertical after packing up. The binding rope 64 is a nylon rope, one end of the binding rope is fixed with the side wall of the supporting leg 6, the binding rope 64 is provided with two ropes, and the two ropes are arranged on the same supporting leg 6.

The implementation principle of the embodiment is as follows: when an operator uses the level, the operator firstly screws in the butterfly bolt 62 to different adjusting holes 611 on the telescopic rod 61 to adjust the length of the supporting leg 6, then the operator rotates the supporting leg 6 to enable the fixing plate 1 to be stably supported by the three supporting legs 6 to adjust the rough height of the level body 4, then the operator rotates the rotating block 545 to drive the driving shaft 543 to rotate, so that the second bevel gear 544 and the first bevel gear 542 rotate to drive the screw rod 541 to rotate, the driving plate 52 moves vertically, so that the connecting plate 53 fixed with the driving plate 52 through the connecting block 512 moves vertically to drive the mounting seat 2 to move vertically along the length direction of the guide post 3, thereby adjusting the height of the level body 4 on the mounting seat 2 again, compared with the mode of adjusting the height of the level body 4 only by adjusting the length of the supporting leg 6, the adjusting precision is higher, the length of each supporting leg 6 does not need to be adjusted for multiple times, and the operation is convenient.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, 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. Adjustable level, including spirit level body (4) and set up in the tripod of spirit level body (4) bottom, its characterized in that: the tripod comprises a fixing plate (1), a mounting seat (2) arranged on the fixing plate (1), a guide column (3) vertically arranged at the bottom of the mounting seat (2), an adjusting device (5) arranged on the fixing plate (1) and a support leg (6) which is adjustable in length and is hinged to the bottom of the fixing plate (1), wherein the upper end of the guide column (3) is fixed with the bottom surface of the mounting seat (2), and the lower end of the guide column (3) penetrates through the fixing plate (1) and is in sliding fit with the fixing plate; the adjusting device (5) comprises an adjusting box (51) fixed on the fixing plate (1) and arranged on one side of the mounting seat (2), a driving plate (52) horizontally arranged in the adjusting box (51) and connected with the inner side wall of the adjusting box (51) in a sliding manner, a connecting plate (53) vertically arranged and fixed at the bottom of the mounting seat (2), and a driving part (54) arranged in the adjusting box (51) and used for driving the driving plate (52) to vertically move; the adjusting box (51) is close to the side wall of the mounting seat (2) and is provided with a lifting groove (511) vertical to the length direction, a connecting block (512) is connected in the lifting groove (511) in a sliding mode, and the side walls of the two sides of the connecting block (512) are fixed to the bottoms of the driving plate (52) and the connecting plate (53) respectively.

2. The adjustable level of claim 1, wherein: the driving part (54) comprises a screw rod (541) vertically penetrating through the driving plate (52) and in threaded connection with the driving plate, a first bevel gear (542) sleeved at the lower end of the screw rod (541) and fixed with the screw rod, a driving shaft (543) horizontally penetrating through the outer side wall of the adjusting box (51) and in rotary connection with the adjusting box, a second bevel gear (544) sleeved on the driving shaft (543) and fixed with the driving shaft (543), and a rotating block (545) fixed at one end of the driving shaft (543) penetrating out of the adjusting box (51), wherein the second bevel gear (544) is arranged in the adjusting box (51) and meshed with the first bevel gear (542), the upper end of the screw rod (541) is in rotary connection with the inner top surface of the adjusting box (51), and the lower end of the screw rod (541) is in rotary connection with the inner bottom surface of the adjusting.

3. The adjustable level of claim 2, wherein: anti-slip strips (546) are fixed on the arc-shaped surface of the rotating block (545), a plurality of anti-slip strips (546) are arranged, and the anti-slip strips (546) are uniformly distributed around the axis of the driving shaft (543).

4. The adjustable level of claim 1, wherein: and a limiting block (31) is fixed at the lower end of the guide post (3).

5. The adjustable level of claim 4, wherein: the guide post (3) is sleeved with two positioning nuts (32), the two positioning nuts (32) are respectively arranged on the upper side and the lower side of the fixing plate (1), and the two positioning nuts (32) are in threaded connection with the guide post (3).

6. The adjustable level of claim 1, wherein: guide post (3) are equipped with three, and three guide post (3) encircle the axis evenly distributed of fixed plate (1), just guide post (3) set up respectively in adjacent between supporting leg (6).

7. The adjustable level of claim 1, wherein: a telescopic groove is formed in the end face, far away from the fixing plate (1), of the supporting leg (6), the telescopic groove extends along the length direction of the supporting leg (6), and a telescopic rod (61) is arranged on the supporting leg (6); one end of the telescopic rod (61) penetrates into the telescopic groove and is in sliding fit with the inner wall of the telescopic groove, and the other end of the telescopic rod (61) penetrates out of the supporting leg (6); the telescopic rod (61) is provided with a plurality of adjusting holes (611) which are arranged along the length direction of the telescopic rod (61), the supporting leg (6) is further provided with a butterfly bolt (62), the butterfly bolt (62) penetrates through the outer side wall of the supporting leg (6) and penetrates into the adjusting holes (611), and the butterfly bolt (62) is in threaded fit with the inner wall of the adjusting holes (611).

8. The adjustable level of claim 7, wherein: the supporting legs (6) are also fixed with binding ropes (64) which are convenient for binding the supporting legs (6).

9. The adjustable level of claim 8, wherein: the supporting legs (6) are fixed with the combining blocks (63) on the side walls close to each other, the combining blocks (63) are fan-shaped blocks, and the fan-shaped angle of the combining blocks (63) is 120 degrees.