CN209961219U

CN209961219U - Level meter

Info

Publication number: CN209961219U
Application number: CN201921050161.6U
Authority: CN
Inventors: 黄琼衍
Original assignee: Guangdong Hongjun Construction Engineering Co Ltd
Current assignee: Guangdong Hongjun Construction Engineering Co Ltd
Priority date: 2019-07-06
Filing date: 2019-07-06
Publication date: 2020-01-17
Anticipated expiration: 2029-07-06

Abstract

The utility model relates to a level meter, it include the base, fixed set up in screw rod, the cover of base are located the elevator and the rotation of screw rod connect in the installation piece of screw rod, the installation piece is located the top of elevator, be provided with the plumb line on the installation piece, the lower extreme of plumb line is provided with the weight, the elevator with threaded connection between the screw rod, be provided with the locating rack on the elevator, the both ends of locating rack are contradicted in ground. The utility model has the advantages of the measurement base face size is changeable.

Description

Level meter

Technical Field

The utility model belongs to the technical field of measuring tool's technique and specifically relates to a spirit level is related to.

Background

A level is a common gauge for measuring small angles, and is used to measure an angle of inclination with respect to a horizontal position. In building construction, the construction area is large, and the inclination angles in different size ranges are different. The level is mostly required to be placed on a plane, and the contact surface of the level and the plane is the measuring base surface of the level. The size of the measuring base surface of the existing level gauge is fixed, so that the error generated when the existing level gauge is used on an uneven building site is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spirit level has the changeable advantage of measurement base face size.

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

the utility model provides a spirit level, include the base, fixed set up in screw rod, the cover of base are located the elevator and the rotation of screw rod connect in the installation piece of screw rod, the installation piece is located the top of elevator, be provided with the plumb line on the installation piece, the lower extreme of plumb line is provided with the weight, the elevator with threaded connection between the screw rod, be provided with the locating rack on the elevator, the both ends of locating rack are contradicted in ground.

By adopting the technical scheme, the lifting block rotates on the screw rod to drive the positioning frame to lift, so that the positioning frame is abutted against or separated from the ground;

when the base is abutted against the ground and the two ends of the positioning frame are separated from the ground, the size of the measuring base plane of the level gauge is the area between the base and the ground abutting contact;

when the base is separated from the ground and the two ends of the positioning frame are abutted against the ground, the size of the measuring base surface of the level gauge is the area between the positioning frame and the ground abutting point;

from this, contradict with ground or locating rack and ground are contradicted with the size of control measurement base face through control base, realize measuring the changeable purpose of base face size.

The utility model discloses further set up to: the locating rack including rotate connect in the first connecting rod and the sliding connection of elevator piece in the second connecting rod of first connecting rod tip, the pot head of second connecting rod is located first connecting rod and the other end are contradicted with ground.

Through adopting above-mentioned technical scheme, second connecting rod sliding connection is in order to adjust the size of locating rack in first connecting rod to adjust the size of this spirit level measurement base face.

The utility model discloses further set up to: the lifting block is positioned at the center of the first connecting rod.

Through adopting above-mentioned technical scheme, be convenient for this spirit level keep balance.

The utility model discloses further set up to: the number of the second connecting rods is two, and the two second connecting rods are respectively sleeved at two ends of the first connecting rod.

Through adopting above-mentioned technical scheme, the setting of two second connecting rods can enlarge the regulation scope of this spirit level measurement base face size, also can reduce the size of occupation space when this spirit level is out of work.

The utility model discloses further set up to: and the first connecting rod is provided with a linkage part for driving the two second connecting rods to synchronously slide.

Through adopting above-mentioned technical scheme, the setting of linkage portion for the sliding distance of two second connecting rods relative first connecting rod is the same, makes the horizontal position on the relative ground of base remain unchanged, improves the stability of this spirit level in the use, and the staff of being convenient for operates.

The utility model discloses further set up to: the linkage part comprises a gear which is rotatably connected to the first connecting rod and racks which are fixedly connected to the second connecting rods, the gear is meshed with the racks, and the racks of the two second connecting rods are located on two opposite sides of the gear.

Through adopting above-mentioned technical scheme, slide one of them second connecting rod so that the rack on this second connecting rod slides to order about gear revolve, gear revolve slides in order to order about the rack on another second connecting rod, thereby drives another second connecting rod and slides, has realized the synchronous slip of two second connecting rods from this.

The utility model discloses further set up to: the heavy hammer is arranged in a conical or polygonal pyramid mode, and the sharp end of the heavy hammer faces the ground.

By adopting the technical scheme, the worker can confirm the inclination of the level gauge through the pointing direction of the sharp end of the heavy hammer.

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

1. the lifting block rotates on the screw to drive the positioning frame to lift so that the positioning frame is abutted against or separated from the ground, and the size of the measurement base plane is controlled by controlling the abutment of the base and the ground or the abutment of the positioning frame and the ground, so that the purpose of changing the size of the measurement base plane is achieved;

2. the second connecting rod is connected with the first connecting rod in a sliding mode so as to adjust the size of the positioning frame, and therefore the size of the measuring base surface of the level gauge can be adjusted.

Drawings

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

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

fig. 3 is a schematic sectional structure diagram of the present invention.

In the figure, 1, a base; 2. a screw; 3. a lifting block; 4. mounting blocks; 5. a vertical line; 6. a weight; 7. a positioning frame; 71. a first link; 72. a second link; 8. a linkage section; 81. a gear; 82. a rack.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 and 3, for the utility model discloses a level meter, including base 1, fixed set up in screw rod 2 of base 1, the cover locate the elevator 3 of screw rod 2 and rotate and connect in the installation piece 4 of screw rod 2. The screw 2 is installed in a vertical direction. The mounting block 4 is positioned above the screw 2, and the rotation axis of the mounting block 4 is coincident with the axis of the screw 2. The mounting block 4 is located above the lifting block 3. The elevating block 3 is screwed to the screw 2 so that the elevating block 3 can move in the axial direction of the screw 2.

The mounting block 4 is provided with a vertical line 5, and the lower end of the vertical line 5 is provided with a heavy hammer 6. Preferably, the weight 6 is arranged in a cone or a pyramid, and the sharp end of the weight 6 faces the ground. The inclination angle between the vertical line 5 and the screw 2 is the inclination angle of the ground.

The lifting block 3 is provided with a positioning frame 7, and two ends of the positioning frame 7 can be abutted against the ground. Specifically, the positioning bracket 7 includes a first link 71 rotatably coupled to the elevator block 3 and a second link 72 slidably coupled to an end of the first link 71. The elevator block 3 is located at the center of the first link 71. The rotational axis of the first link 71 coincides with the axis of the screw 2. One end of the second link 72 is sleeved on the first link 71 and the other end thereof abuts against the ground. Preferably, the second link 72 is provided in an "L" shape. The number of the second connecting rods 72 is two, and the two second connecting rods 72 are respectively sleeved at two ends of the first connecting rod 71. When the second connecting rods 72 abut against the ground, the area between the two second connecting rods 72 and the ground abutting point is the area of the measurement base.

Referring to fig. 1 and 2, the first link 71 is provided with a linkage 8 for driving the two second links 72 to slide synchronously, so as to maintain the lifting block 3 at the center position of the positioning frame 7. The linkage portion 8 includes a gear 81 rotatably coupled to the first link 71 and a rack 82 fixedly coupled to the second link 72, the gear 81 being engaged with the rack 82. The racks 82 of the two second links 72 are located on opposite sides of the gear 81. One of the second links 72 is slid to slide the rack 82 on the second link 72, thereby driving the gear 81 to rotate, and the gear 81 is rotated to drive the rack 82 on the other second link 72 to slide, thereby driving the other second link 72 to slide. Preferably, the gear 81 is coaxially fixed with a handle for facilitating the actuation of the gear by the worker.

The implementation principle of the embodiment is as follows: the second connecting rod 72 is slid to enlarge the area of the positioning frame 7, the screw 2 is rotated to make the lifting block 3 drive the positioning frame 7 to abut against the ground, and the base 1 is separated from the ground.

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. A spirit level, characterized by: including base (1), fixed set up in screw rod (2), the cover of base (1) are located elevator (3) and the rotation of screw rod (2) connect in the installation piece (4) of screw rod (2), installation piece (4) are located the top of elevator (3), be provided with plumb line (5) on installation piece (4), the lower extreme of plumb line (5) is provided with weight (6), elevator (3) with threaded connection between screw rod (2), be provided with locating rack (7) on elevator (3), contradict in ground at the both ends of locating rack (7).

2. A spirit level according to claim 1 wherein: locating rack (7) including rotate connect in first connecting rod (71) and sliding connection in of lifter block (3) in second connecting rod (72) of first connecting rod (71) tip, the one end cover of second connecting rod (72) is located first connecting rod (71) and the other end contradict with ground.

3. A spirit level according to claim 2 wherein: the lifting block (3) is positioned at the center of the first connecting rod (71).

4. A spirit level according to claim 2 wherein: the number of the second connecting rods (72) is two, and the two second connecting rods (72) are respectively sleeved at two ends of the first connecting rod (71).

5. A spirit level according to claim 4 wherein: and a linkage part (8) for driving the two second connecting rods (72) to synchronously slide is arranged on the first connecting rod (71).

6. A spirit level according to claim 5 wherein: the linkage part (8) comprises a gear (81) which is rotatably connected to the first connecting rod (71) and racks (82) which are fixedly connected to the second connecting rods (72), the gear (81) is meshed with the racks (82), and the racks (82) of the two second connecting rods (72) are positioned on two opposite sides opposite to the gear (81).

7. A spirit level according to claim 1 wherein: the heavy hammer (6) is arranged in a conical or polygonal pyramid mode, and the sharp end of the heavy hammer (6) faces the ground.