CN215445669U

CN215445669U - But angle regulation's surveyor's level support

Info

Publication number: CN215445669U
Application number: CN202121389677.0U
Authority: CN
Inventors: 冯宁; 宁海琴
Original assignee: Xunsei Tianjin Surveying And Mapping Technology Co ltd
Current assignee: Xunsei Tianjin Surveying And Mapping Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-07
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to the technical field of a level bracket, in particular to a level bracket capable of adjusting an angle, and solves the problem that the angle adjustment operation of the level bracket in the prior art is complex. The leveling instrument support comprises a top plate, a middle plate, a base and supporting legs, wherein the middle plate is installed below the top plate, the base is installed below the middle plate, the supporting legs are installed below the base, a positioning screw used for being installed with a leveling instrument is installed on the top plate, the top plate and the middle plate are installed through an angle adjusting mechanism, and the middle plate and the base are installed through the angle adjusting mechanism. When the angle needs to be adjusted, the shaft center rod only needs to be pushed inwards, and the shaft center rod can rotate freely; through loosening the axle center pole, by automatic spacing promptly, the operation is very simple convenient, has improved the efficiency of spirit level support angle modulation.

Description

But angle regulation's surveyor's level support

Technical Field

The utility model relates to the technical field of a level bracket, in particular to a level bracket with an adjustable angle.

Background

When the existing level is used, a level support can be frequently used to position the level, the level support is mostly a tripod, the top of the tripod can be subjected to angle adjustment, a screw rod adjusted through a rotation angle can be loosened to adjust the angle of the level, and after the adjustment is finished, the screw rod is screwed again;

therefore, the leveling instrument support capable of adjusting the angle is provided, and the angle adjusting structure and the angle adjusting operation mode are improved to improve the convenience of the angle adjusting operation of the leveling instrument support.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a level bracket capable of adjusting an angle, and solves the problem that the angle adjustment operation of the level bracket in the prior art is complex.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a level bracket capable of adjusting angles comprises a top plate, a middle plate arranged below the top plate, a base arranged below the middle plate and supporting legs arranged below the base, wherein a positioning screw used for being installed with a level is installed on the top plate, the top plate and the middle plate are installed through an angle adjusting mechanism, the middle plate and the base are installed through the angle adjusting mechanism, the angle adjusting mechanism comprises a shaft center rod, a fixed cylinder sleeved outside the shaft center rod and a fixed sleeve sleeved outside the fixed cylinder, the fixed cylinder is connected with the top plate or the middle plate or the base through a fixed plate, the fixed sleeve is connected with the corresponding base or the middle plate or the fixed plate, the fixed sleeve rotates at a limiting circumference outside the fixed cylinder, the shaft center rod linearly limits movement along an axial line in the fixed cylinder, one end of the shaft center rod penetrates outside the fixed cylinder, and the extending end of the shaft center rod is sleeved with a spring, the spring is located the end limit of a solid fixed cylinder and the axle center pole extends between the end to the drive shaft core pole extends the end outwards, the axle center pole is the annular array outward and has runs through to the outer pinion rack of a solid fixed cylinder, fixedly connected with sets up the location nail between solid fixed cylinder and fixed cover on the pinion rack, the third spacing ring that is the loop configuration is installed to the inner wall of fixed cover, be the annular array on the third spacing ring and seted up the locating hole, the location nail can be pegged graft with the locating hole formula of breaking away.

Preferably, the inner wall of a fixed cylinder is annular array and has been seted up the bar groove, the outer wall of axle center pole is the spacing gliding rack in the bar inslot that corresponds of annular array fixedly connected with.

Preferably, the positioning nail is parallel to the axis of the axle center rod.

The utility model has at least the following beneficial effects:

1. when the angle needs to be adjusted, the shaft center rod only needs to be pushed inwards, and the shaft center rod can rotate freely; through loosening the axle center pole, by automatic spacing promptly, the operation is very simple convenient, has improved the efficiency of spirit level support angle modulation.

2. Through setting up the setting of the locating pin of annular array and annular array's locating hole for fixed cover and the fixed cylinder between the circumference rotation at every turn all have certain accurate angle, the diameter of locating pin is less moreover, and then can realize the precision of the at every turn angle modulation of spirit level support, improves the usability of spirit level support.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a stent structure;

FIG. 2 is a schematic cross-sectional view of an angle adjustment mechanism;

FIG. 3 is a schematic front view of a stationary barrel;

fig. 4 is a cross-sectional schematic view of the stationary barrel.

In the figure: 1. supporting legs; 2. a base; 3. a middle plate; 4. a top plate; 5. positioning a screw rod; 6. an angle adjusting mechanism; 601. a fixing plate; 602. fixing a sleeve; 603. a first limit ring; 604. a second stop collar; 605. a third limit ring; 606. positioning holes; 607. a fixed cylinder; 608. a ring plate; 609. a ring groove; 610. a movable hole; 611. a toothed plate; 612. positioning nails; 613. a strip-shaped groove; 614. a spindle rod; 615. a rack.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example one

Referring to fig. 1-4, a level bracket capable of adjusting an angle comprises a top plate 4, a middle plate 3 installed below the top plate 4, a base 2 installed below the middle plate 3, and support legs 1 installed below the base 2, wherein a positioning screw 5 for installing with the level is installed on the top plate 4, the top plate 4 and the middle plate 3 are installed through an angle adjusting mechanism 6, the middle plate 3 and the base 2 are installed through the angle adjusting mechanism 6, the angle adjusting mechanism 6 comprises a shaft center rod 614, a fixed cylinder 607 sleeved outside the shaft center rod 614, and a fixed sleeve 602 sleeved outside the fixed cylinder 607, the fixed cylinder 607 is connected with the top plate 4 or the middle plate 3 or the base 2 through a fixed plate 601, the fixed sleeve 602 is connected with the corresponding base 2 or the middle plate 3 or the fixed plate 601, the fixed sleeve 602 rotates around the outer limit circumference of the fixed cylinder 607, the shaft center rod 614 linearly limits movement along the shaft center line in the fixed cylinder 607, one end of the shaft center rod 614 penetrates out of the fixed cylinder 607, a spring is sleeved on the extending end of the shaft center rod 614, the spring is positioned between the end edge of the fixed cylinder 607 and the extending end of the shaft center rod 614 to drive the extending end of the shaft center rod 614 outwards, a toothed plate 611 penetrating out of the fixed cylinder 607 is arranged outside the shaft center rod 614 in an annular array manner, a positioning nail 612 arranged between the fixed cylinder 607 and the fixed sleeve 602 is fixedly connected to the toothed plate 611, a third limiting ring 605 in an annular structure is installed on the inner wall of the fixed sleeve 602, positioning holes 606 are formed in the third limiting ring 605 in an annular array manner, and the positioning nail 612 and the positioning holes 606 can be detachably inserted; the inner wall of the fixed cylinder 607 is provided with strip-shaped grooves 613 in an annular array, and the outer wall of the axis rod 614 is fixedly connected with racks 615 limited in the corresponding strip-shaped grooves 613 in an annular array; the inner side of the fixed sleeve 602 is fixedly connected with a first limit ring 603 and a second limit ring 604 which are in an annular structure, the fixed cylinder 607 is fixedly connected with two groups of annular plates 608 which are in an annular structure, the arc-shaped end surface of each annular plate 608 is provided with an annular groove 609 which is in an annular structure, and the first limit ring 603 and the second limit ring 604 are limited in the corresponding annular grooves 609 to slide; the first position-limiting ring 603 and the second position-limiting ring 604 are positioned at two sides of the third position-limiting ring 605; a plurality of movable holes 610 are formed in the outer wall of the fixed cylinder 607 in an annular array and used for the toothed plate 611 to penetrate through, and the toothed plate 611 slides in the movable holes 610 in a limiting manner along the axis; the positioning pin 612 is parallel to the axis of the axis rod 614;

in this embodiment, the fixing sleeve 602 of the recliner mechanism 6 rotates circumferentially under the limit of the first limit ring 603 and the ring plate 608, and in a natural state, the spring drives the spindle 614 to move outward, so that the positioning pin 612 of the tooth plate 611 is inserted into the positioning hole 606 of the third limit ring 605 to limit the circumferential movement of the fixing sleeve 602; therefore, when the angle needs to be adjusted, the shaft center rod 614 is pushed inwards to extrude the spring, so that the tooth plate 611 moves along with the shaft center rod 614, the positioning nail 612 is separated from the positioning hole 606, and the fixing sleeve 602 is separated from the limiting position and can move freely; after the angle adjustment is finished, the shaft center rod 614 is automatically reset by loosening the shaft center rod 614, the positioning nail 612 is automatically inserted into the positioning hole 606, and the fixing sleeve 602 is limited again; this level support's angular adjustment, the operation is very simple convenient, has improved level support angular adjustment's efficiency.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A level bracket capable of adjusting angles comprises a top plate (4), a middle plate (3) arranged below the top plate (4), a base (2) arranged below the middle plate (3) and supporting legs (1) arranged below the base (2), wherein a positioning screw (5) used for being installed with a level is arranged on the top plate (4), the level bracket is characterized in that the top plate (4) and the middle plate (3) are installed through an angle adjusting mechanism (6), the middle plate (3) and the base (2) are installed through the angle adjusting mechanism (6), the angle adjusting mechanism (6) comprises an axle center rod (614), a fixed cylinder (607) sleeved outside the axle center rod (614) and a fixed sleeve (602) sleeved outside the fixed cylinder (607), the fixed cylinder (607) is connected with the top plate (4) or the middle plate (3) or the base (2) through a fixed plate (601), the fixed sleeve (602) is connected with the corresponding base (2) or the middle plate (3) or the fixed plate (601), the fixed sleeve (602) rotates at the outer limit circumference of the fixed cylinder (607), the shaft center rod (614) moves along the linear limit of the shaft axis in the fixed cylinder (607), one end of the shaft center rod (614) penetrates out of the fixed cylinder (607), the extending end of the shaft center rod (614) is sleeved with a spring, the spring is positioned between the end edge of the fixed cylinder (607) and the extending end of the shaft center rod (614) to drive the extending end of the shaft center rod (614) outwards, the shaft center rod (614) is externally provided with a toothed plate (611) which penetrates out of the fixed cylinder (607) in an annular array, the toothed plate (611) is fixedly connected with a positioning nail (612) which is arranged between the fixed cylinder (607) and the fixed sleeve (602), and the inner wall of the fixed sleeve (602) is provided with a third limit ring (605) which is in an annular structure, the third limiting ring (605) is provided with positioning holes (606) in an annular array, and the positioning nails (612) and the positioning holes (606) can be detachably inserted.

2. The level support capable of adjusting the angle of claim 1, wherein the inner wall of the fixed cylinder (607) is provided with strip-shaped grooves (613) in an annular array, and the outer wall of the axle rod (614) is fixedly connected with racks (615) which are limited in the corresponding strip-shaped grooves (613) in an annular array.

3. The level bracket capable of adjusting the angle of claim 1, wherein a first limit ring (603) and a second limit ring (604) having a ring structure are fixedly connected to the inner side of the fixed sleeve (602), two sets of ring plates (608) having a ring structure are fixedly connected to the fixed cylinder (607), a ring groove (609) having a ring structure is formed in the arc-shaped end surface of the ring plate (608), and the first limit ring (603) and the second limit ring (604) are limited to slide in the corresponding ring grooves (609).

4. An adjustable level stand according to claim 3, characterised in that the first stop collar (603) and the second stop collar (604) are located on either side of a third stop collar (605).

5. The level bracket capable of adjusting the angle according to claim 1, wherein the outer wall of the fixed cylinder (607) is provided with a plurality of movable holes (610) in an annular array for the toothed plate (611) to penetrate through, and the toothed plate (611) slides in the movable holes (610) along the axis line in a limiting manner.

6. An adjustable level stand according to claim 1, in which the locating peg (612) is parallel to the axis of the shank (614).