CN220354980U

CN220354980U - Level gauge

Info

Publication number: CN220354980U
Application number: CN202322065021.9U
Authority: CN
Inventors: 李海龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-01-16
Anticipated expiration: 2033-08-02

Abstract

The utility model relates to the technical field of engineering measurement, in particular to a leveling instrument, which comprises a fixed seat, wherein a screw is rotationally connected to the fixed seat, a threaded loop bar is sleeved on an external thread of the screw, a telescope is arranged at the upper end of the threaded loop bar, sliding blocks are arranged at the left end and the right end of the fixed seat, sliding grooves matched with the sliding blocks are formed in the outer wall of the threaded loop bar, a first gear is fixedly connected to the lower end of the screw, a second gear is rotationally connected to the left side of the first gear, a rocker is fixedly connected to the left side of the second gear, three groups of supporting frames are rotationally connected to the lower end of the fixed seat, a connecting block is rotationally arranged at the lower end of the supporting frames, and two groups of supporting toes are fixedly connected to the outer side of the connecting block. The height of the telescope can be adjusted by rotating the rocker, so that the height of the telescope can be adjusted conveniently after the telescope is erected and leveled, and the telescope is convenient for measuring persons with different heights to adjust and use.

Description

Level gauge

Technical Field

The utility model relates to the technical field of engineering measurement, in particular to a level gauge.

Background

The leveling instrument is an instrument for establishing a horizontal sight line to measure the height difference between two points on the ground, when the leveling instrument is erected, an eyepiece of the leveling instrument is usually required to be adjusted to a position which is at the same height as eyes of a measurer, the larger the divergence degree of tripod legs is, the lower the height of the leveling instrument is, after the height adjustment is finished, leveling of the leveling instrument is carried out, but when a plurality of operators observe and measure, when the height of another operator is obviously different from the height of the operator which is leveled, the height is required to be readjusted, the bottom position of the tripod is required to be changed, and the leveling is required to be carried out again, so that the leveling is quite complicated. Some other ground are not fit for using the tiptoe to erect, can cause the damage to ground, and the tiptoe of tripod is easy wearing and tearing moreover, and mapping personnel also hardly at every turn all inspect the tiptoe, lead to the delay of mapping work after the tiptoe damages, for this reason we propose a spirit level to solve above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a leveling instrument, which solves the problem that when another height is obviously different from the height of a leveled operator, the height needs to be readjusted, so that the leveling needs to be carried out again.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a level, includes the fixing base, the fixing base internal rotation is connected with the screw rod, the screw rod external screw has cup jointed the screw thread loop bar, the telescope is installed to the upper end of screw thread loop bar, both ends all are provided with the slider about the fixing base, the spout with slider looks adaptation is seted up to the outer wall of screw thread loop bar, the lower extreme fixedly connected with first gear of screw rod, the left side of first gear rotates and is connected with the second gear, the left side fixedly connected with rocker of second gear, the lower extreme of fixing base rotates and is connected with three support frames of group, the connecting block is installed in the lower extreme rotation of support frame, two sets of supporting legs of outside fixedly connected with of connecting block, the supporting legs seat is installed to the lower extreme of connecting block.

Preferably, the guide slot is arranged in the support frame, the limit rod is movably arranged at the opening of the guide slot, the spring is arranged in the limit rod, two ends of the spring are propped against the limit rod and the inner wall of the guide slot, three groups of limit holes are arranged on the connecting block, and the end head of the limit rod is inserted into the limit holes.

Preferably, the upper end of the sliding block is flush with the upper end of the screw rod, and the sliding block is tightly attached to the inner wall of the sliding groove.

Preferably, the length of the supporting frame is one meter, and the angle of divergence of the three groups of supporting frames is always equal.

Preferably, the supporting foot seat is movably arranged on the connecting block, and the supporting foot seat is made of rubber materials.

Preferably, the included angle between the two groups of supporting toes is one hundred eighty degrees, the included angle between the supporting toes and the supporting foot seat is ninety degrees, and the included angle between the adjacent limiting holes is ninety degrees.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the height of the telescope can be adjusted by rotating the rocker, so that the telescope is convenient to adjust after being erected and leveled, and thus, the telescope is convenient for measuring persons with different heights to adjust and use; through pulling out the gag lever post, can support fixedly to selecting the support foot seat of using or supporting the tiptoe, and still a set of supporting the tiptoe can use under the circumstances that a set of supporting the tiptoe damages, avoided delaying the measurement process because of the damage of supporting the tiptoe.

Description of the drawings:

in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the fixing base and the supporting frame according to the present utility model;

FIG. 3 is an enlarged partial schematic view of the FIG. 2A;

fig. 4 is an enlarged partial schematic view of the utility model B of fig. 2.

In the figure: 1. a fixing seat; 2. a threaded sleeve rod; 3. a screw; 4. a slide block; 5. a chute; 6. a telescope; 7. a first gear; 8. a second gear; 9. a rocker; 10. a support frame; 11. a guide groove; 12. a limit rod; 13. a spring; 14. a connecting block; 15. a limiting hole; 16. a support foot base; 17. supporting the toe.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a level, including fixing base 1, fixing base 1 internal rotation is connected with screw rod 3, screw rod 3 external screw has cup jointed screw thread loop bar 2, telescope 6 is installed to screw thread loop bar 2's upper end, fixing base 1's left and right sides both ends all are provided with slider 4, spout 5 with slider 4 looks adaptation is seted up to screw thread loop bar 2's outer wall, screw rod 3's lower extreme fixedly connected with first gear 7, first gear 7's left side is rotated and is connected with second gear 8, second gear 8's left side fixedly connected with rocker 9, fixing base 1's lower extreme is rotated and is connected with three support frames 10, connecting block 14 is installed in support frame 10's lower extreme rotation, two sets of supporting legs 17 of outside fixedly connected with of connecting block 14, supporting legs seat 16 is installed to the lower extreme of connecting block 14.

Further, a guide groove 11 is formed in the support frame 10, a limit rod 12 is movably mounted at the opening of the guide groove 11, a spring 13 is arranged in the limit rod 12, two ends of the spring 13 are propped against the limit rod 12 and the inner wall of the guide groove 11, three groups of limit holes 15 are formed in the connecting block 14, the end of the limit rod 12 is inserted into the limit holes 15, and as shown in fig. 2 and 4, the mechanism is used for realizing selection and locking of the support foot seat 16 and the support toe 17, so that the selection is performed according to specific conditions of a road surface.

Further, the upper end of the sliding block 4 is flush with the upper end of the screw 3, and the sliding block 4 is tightly attached to the inner wall of the sliding groove 5, as shown in fig. 1 and 2. The structure is used for realizing the overall stability in the adjusting process and preventing errors in the adjusting or post-adjusting level.

Further, the length of the supporting frame 10 is one meter, the angle of divergence of the three groups of supporting frames 10 is always equal, as shown in fig. 1 and 2, and the mechanism is used for ensuring the stability of the device structure.

Further, the supporting foot stand 16 is movably mounted on the connecting block 14, and the supporting foot stand 16 is made of rubber material. As shown in fig. 2 and 4, this structure is used to ensure that the device is stably standing on the ground when supported by the support foot 16.

Further, the included angle between the two groups of supporting toes 17 is one hundred eighty degrees, the included angle between the supporting toes 17 and the supporting foot seat 16 is ninety degrees, and the included angle between the adjacent limiting holes 15 is ninety degrees.

Working principle: when the telescopic device is used, the limiting rod 12 is pulled outwards firstly, the limiting rod 12 is separated from the limiting hole 15 and compresses the spring 13, then the connecting block 14 is rotated, the supporting foot seat 16 or the supporting toe 17 is selected to be used for supporting and fixing according to requirements, the corresponding limiting hole 15 is aligned with the limiting rod 12, then the limiting rod 12 is loosened, the limiting rod 12 is reset due to the resilience of the spring 13, the end head is inserted into the corresponding limiting hole 15, the rotation of the connecting block 14 is locked, the supporting frame 10 is then lifted, the fork degree of the supporting frame 10 is adjusted according to the approximate height of a user, the rocker 9 is rotated, the first gear 7 is driven to rotate due to the rotation of the second gear 8, the screw 3 fixedly connected with the first gear 7 is rotated, the threaded sleeve rod 2 moves upwards or downwards due to the threaded action of the screw 3, the height of the telescope 6 is adjusted due to the sliding connection of the sliding groove 5 and the sliding block 4 in the process, and the threaded sleeve rod 2 cannot rotate along with the rotation of the screw 3. The above is the whole working principle of the utility model.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A level, characterized in that: including fixing base (1), fixing base (1) internal rotation is connected with screw rod (3), screw rod (3) external screw has cup jointed screw rod loop bar (2), telescope (6) are installed to the upper end of screw rod loop bar (2), both ends all are provided with slider (4) about fixing base (1), spout (5) with slider (4) looks adaptation are seted up to the outer wall of screw rod loop bar (2), the lower extreme fixedly connected with first gear (7) of screw rod (3), the left side rotation of first gear (7) is connected with second gear (8), the left side fixedly connected with rocker (9) of second gear (8), the lower extreme rotation of fixing base (1) is connected with three support frames (10), connecting block (14) are installed in the lower extreme rotation of support frame (10), the outside fixedly connected with two sets of supporting legs (17) of connecting block (14), supporting legs (16) are installed to the lower extreme of connecting block (14).

2. A level according to claim 1, characterized in that: the novel lifting device is characterized in that a guide groove (11) is formed in the supporting frame (10), a limiting rod (12) is movably mounted at the opening of the guide groove (11), a spring (13) is arranged in the limiting rod (12), two ends of the spring (13) are abutted against the inner walls of the limiting rod (12) and the guide groove (11), three groups of limiting holes (15) are formed in the connecting block (14), and the end head of the limiting rod (12) is inserted into the limiting holes (15).

3. A level according to claim 1, characterized in that: the upper end of the sliding block (4) is flush with the upper end of the screw rod (3), and the sliding block (4) is tightly attached to the inner wall of the sliding groove (5).

4. A level according to claim 1, characterized in that: the length of the support frame (10) is one meter, and the angle of divergence of the three groups of support frames (10) is always equal.

5. A level according to claim 1, characterized in that: the supporting foot seat (16) is movably arranged on the connecting block (14), and the supporting foot seat (16) is made of rubber materials.

6. A level according to claim 2, characterized in that: the included angle between the two groups of supporting toes (17) is one hundred eighty degrees, the included angle between the supporting toes (17) and the supporting foot seat (16) is ninety degrees, and the included angle between the adjacent limiting holes (15) is ninety degrees.