CN219318139U

CN219318139U - Portable support is used in survey and drawing

Info

Publication number: CN219318139U
Application number: CN202320097381.4U
Authority: CN
Inventors: 陈庆丰
Original assignee: Baoding Yunhan Surveying And Mapping Co ltd
Current assignee: Baoding Yunhan Surveying And Mapping Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-07-07
Anticipated expiration: 2033-02-01

Abstract

The utility model relates to the technical field of surveying instrument brackets, in particular to a portable bracket for surveying, which comprises a bracket body and universal wheels, wherein a movable rod is arranged at the lower end of the bracket body, a sleeve rod is arranged at the lower end of the movable rod, a movable groove is formed in the upper end of the sleeve rod, the lower end of the movable rod is movably inserted into the movable groove, a side opening communicated with the outside is formed in the inner wall of the movable groove, and a rotating shaft is transversely and fixedly connected in the side opening. According to the lifting type movable support, the lifting type movable rod and the loop rod are arranged, so that the support body only needs to trample the pedal by feet when mapping work is performed, the support body is lifted, the universal wheels are grounded through gravity, and then the support body can be moved and carried in a small range or a large range through rolling of the universal wheels on the ground.

Description

Portable support is used in survey and drawing

Technical Field

The utility model relates to the technical field of surveying instrument brackets, in particular to a portable bracket for surveying.

Background

Surveying instrument usually refers to an instrument or a device for building surveying operation, and the surveying instrument needs to be supported by a support at the lower end of the surveying instrument when in use, and is most commonly an A-frame, and in the surveying process, the surveying instrument needs to be frequently moved by a small amplitude or a large range to adjust the angle or the position of the surveying instrument, but the existing A-frame is large in size, and needs to be manually lifted for carrying in order to avoid dragging on the ground when moving, which is troublesome and laborious, so we propose a portable bracket for surveying to solve the problems.

Disclosure of Invention

The utility model aims to provide a portable bracket for surveying and mapping, which solves the problems that the prior triangular bracket proposed in the prior art has large volume, and is troublesome and laborious to carry in order to avoid dragging on the ground during moving.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a portable support is used in survey and drawing, includes support body and universal wheel, the lower extreme of support body is provided with the movable rod, the lower extreme of movable rod is provided with the loop bar, the movable groove has been seted up to the upper end of loop bar, the lower extreme activity of movable rod is inserted and is established in the movable inslot, the side mouth that is linked together with the outside has been seted up to the inner wall of movable groove, the inside transverse fixedly connected with pivot of side mouth, the stopper is installed in the pivot rotation, the spacing groove has been seted up to the outer wall of movable rod, the inner of stopper is inserted and is established in the spacing inslot, the outer fixedly connected with footboard of stopper, the upper end inner wall of side mouth is provided with the fixed block, the lower terminal surface of fixed block is laminated with the up end of stopper, the lower extreme fixed mounting of loop bar has the base, the universal wheel is installed to the lower extreme of base.

Preferably, the lower extreme central point of support body puts fixedly connected with cover piece, the lower extreme of cover piece is inserted and is equipped with the inserted block, the inserted block lateral wall is seted up flutedly, the inside of recess transversely is provided with the spring, the opening part movable mounting of recess has the fixture block, the inner of fixture block offsets with the end of spring, spacing hole has been seted up to the lateral wall of cover piece, the fixture block is inserted and is established in spacing hole, the lower extreme fixedly connected with movable rod of inserted block.

Preferably, the center points of the sleeve block, the inserting block, the movable rod, the sleeve rod and the base are all positioned on the same vertical line.

Preferably, the inner wall of the sleeve block and the outer wall of the insert block are both round, and the inner diameter of the sleeve block is matched with the outer diameter of the insert block.

The preferable opening edges of the sleeve block and the limiting hole are arc-shaped, and the outer diameter of the clamping block is matched with the inner diameter of the limiting hole.

Preferably, the outer end of the clamping block is inclined, and the side wall of the outer end of the clamping block is arc-shaped.

Preferably, the pedal is inclined, and the lower end of the pedal is connected with the limiting block.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the liftable structure of the movable rod and the loop rod, when the bracket body is used for mapping, if the position of the bracket body needs to be moved, only the pedal is needed to be stepped on, the bracket body is lifted, the universal wheel is grounded through gravity, then the bracket body can be rolled on the ground through the universal wheel to carry out small-amplitude or large-range movement and carry, and after the position reaches a designated position, only the pedal is needed to be stepped on, so that the bracket body is grounded in a descending manner, the operation is simple and convenient, the bracket body is convenient to move, the carrying movement is time-saving and labor-saving, and in addition, the components at the bracket body and the movable rod can be detached and separated through the detachable mode of the loop block and the insertion block, so that the bracket body can be used singly or carried for maintenance.

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 view of the bottom view of the structure of the present utility model;

fig. 3 is a schematic diagram of the split structure of the insert block 3 and the sleeve block 2 of the present utility model;

FIG. 4 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 5 is an enlarged partial schematic view of the FIG. 4A;

FIG. 6 is an enlarged partial schematic view of the B of FIG. 4 in accordance with the present utility model;

in the figure: 1. a bracket body; 2. sleeving blocks; 3. inserting blocks; 4. a groove; 5. a spring; 6. a clamping block; 7. a limiting hole; 8. a movable rod; 9. a loop bar; 10. a movable groove; 11. a side port; 12. a rotating shaft; 13. a limiting block; 14. a limit groove; 15. a pedal; 16. a fixed block; 17. a base; 18. and a universal wheel.

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. 1-6, an embodiment of the present utility model is provided: the portable bracket for surveying and mapping comprises a bracket body 1 and a universal wheel 18, wherein the lower end of the bracket body 1 is provided with a movable rod 8, the lower end of the movable rod 8 is provided with a loop bar 9, the upper end of the loop bar 9 is provided with a movable groove 10, the lower end of the movable rod 8 is movably inserted into the movable groove 10, the outer diameter of the lower end of the movable rod 8 is matched with the inner diameter of the movable groove 10, the inner wall of the movable groove 10 is provided with a side opening 11 communicated with the outside, the inside of the side opening 11 is transversely and fixedly connected with a rotating shaft 12, the rotating shaft 12 is rotatably provided with a limiting block 13, the outer wall of the movable rod 8 is provided with a limiting groove 14, the inner end of the limiting block 13 is inserted into the limiting groove 14, the outer end of the limiting block 13 is fixedly connected with a pedal 15, the limiting block 13 and the pedal 15 are made of steel, the inner wall of the upper end of the side opening 11 is provided with a fixed block 16, the fixed block 16 is made of steel material and is fixedly welded with the loop bar 9, the lower end face of the fixed block 16 is attached to the upper end face of the limiting block 13, the lower end of the loop bar 9 is fixedly provided with a base 17, the lower end of the base 17, the universal wheel 18 is mounted at the lower end of the base 17, the universal wheel 18 is mounted on the universal wheel 18, and the universal wheel 18 can be conveniently moved by lifting the universal wheel 18, and the universal wheel can be conveniently moved in a ground, and can be conveniently lifted and moved on the ground when the universal wheel 18 is required to be lifted;

further, the lower extreme central point of support body 1 puts fixedly connected with cover piece 2, the lower extreme of cover piece 2 is inserted and is equipped with inserted block 3, recess 4 has been seted up to inserted block 3 lateral wall, the inside of recess 4 transversely is provided with spring 5, the opening part movable mounting of recess 4 has fixture block 6, be the inclined plane at the outer end upside of fixture block 6, the inner of fixture block 6 offsets with the end of spring 5, spacing hole 7 has been seted up to the lateral wall of cover piece 2, fixture block 6 is inserted and is established in spacing hole 7, the lower extreme fixedly connected with movable rod 8 of inserted block 3, as shown in fig. 4 and 5, this structure is used for the connection of cover piece 2 and inserted block 3, so that quick assembly disassembly.

Further, the center points of the sleeve block 2, the insert block 3, the movable rod 8, the sleeve rod 9 and the base 17 are all positioned on the same vertical line, and as shown in fig. 4, when the structure is used for grounding the universal wheel 18, the structural support at the movable rod 8 and the sleeve rod 9 is stable.

Further, the inner wall of the sleeve block 2 and the outer wall of the insert block 3 are both circular, and the inner diameter of the sleeve block 2 is matched with the outer diameter of the insert block 3, as shown in fig. 5, the structure is used for facilitating the insert block 3 to be inserted into the sleeve block 2 and can rotate.

Further, the edges of the openings of the sleeve block 2 and the limiting hole 7 are arc-shaped, the outer diameter of the clamping block 6 is matched with the inner diameter of the limiting hole 7, as shown in fig. 5, the structure is used for enabling a finger to extend into the limiting hole 7 when the clamping block 6 is pressed, and the edge of the limiting hole 7 is arc-shaped and cannot scratch the finger.

Further, the outer end of the clamping block 6 is inclined, the side wall of the outer end of the clamping block 6 is arc-shaped, as shown in fig. 5, when the inserting block 3 is inserted into the sleeve block 2, the inclined surface of the outer end of the clamping block 6 can be extruded, and when the stress is enough, the clamping block 6 can move in the groove 4 and compress the spring 5, so that connection can be facilitated.

Further, the pedal 15 is inclined upwards, and the lower end of the pedal 15 is connected with the limiting block 13, as shown in fig. 4 and 6, the structure is used for conveniently stepping on the pedal 15 to lift the inner end of the limiting block 13.

Working principle: when the bracket body 1 is used, if the bracket body 1 needs to be moved, the pedal 15 can be firstly stepped down, as shown in fig. 6, so that the pedal 15 is forced to drive the limiting block 13 to rotate on the rotating shaft 12, then the inner end of the limiting block 13 moves upwards and jacks up the movable rod 8, at the moment, the bracket body 1 is held by two hands, after the inner end of the limiting block 13 is separated from the limiting groove 14, the movable rod 8 can move in the movable groove 10, at the moment, the bracket body 1 can be lifted up, the lower end of the bracket body 1 is not contacted with the ground, the base 17 can drive the sleeve rod 9 to move downwards along the movable rod 8 by self weight until the universal wheel 18 is grounded, then the bracket body 1 can be longitudinally moved, so that the movable rod 8 is driven to move in the movable groove 10 until the limiting groove 14 is aligned with the outer end of the limiting block 13, the pedal 15 can be pushed upwards, so that the limiting block 13 rotates and resets in the side opening 11 through the rotating shaft 12, the inner end of the limiting block 13 is inserted into the limiting groove 14, at the moment, the movable rod 8 cannot move towards the movable groove 10 continuously, and the universal wheel 18 is grounded, the universal wheel 18 rolls on the ground to move the bracket body 1, so that the pedal 15 is trampled again after the movement to a designated position, the limiting block 13 is separated from the limiting groove 14, the bracket body 1 is lowered, the lower end of the limiting block is grounded and fixed, in addition, as shown in figure 5, a finger can be inserted into the limiting hole 7, the clamping block 6 is ejected from the limiting hole 7, then the inserting block 3 can be pulled out from the sleeve block 2, the bracket body 1 and the inserting block 3 are separated from the parts of the lower side part of the inserting block 3, so that the parts can be detached when not needed, and when the pedal is installed, the inserting block 3 is only aligned with the sleeve block 2, when the universal wheel is inserted, the inclined surface of the clamping block 6 is extruded, when the clamping block 6 is stressed sufficiently, the clamping block 6 moves towards the groove 4 and compresses the spring 5, then the inserting block 3 can be completely inserted into the sleeve block 2, and then the inserting block 3 is rotated, so that after the clamping block 6 is aligned with the limiting hole 7, the spring 5 in a compressed state pushes the clamping block 6 to reset through resilience force, and the clamping block 6 is inserted into the limiting hole 7 to lock the connection between the inserting block 3 and the sleeve block 2, and then the universal wheel 18 can be used.

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. The utility model provides a portable support is used in survey and drawing, includes support body (1) and universal wheel (18), its characterized in that: the lower extreme of support body (1) is provided with movable rod (8), the lower extreme of movable rod (8) is provided with loop bar (9), movable groove (10) have been seted up to the upper end of loop bar (9), the lower extreme activity of movable rod (8) is inserted and is established in movable groove (10), side opening (11) that are linked together with the outside have been seted up to the inner wall of movable groove (10), the inside transverse fixedly connected with pivot (12) of side opening (11), stopper (13) are installed in pivot (12) rotation, spacing groove (14) have been seted up to the outer wall of movable rod (8), the inner of stopper (13) is inserted and is established in spacing groove (14), the outer end fixedly connected with footboard (15) of stopper (13), the upper end inner wall of side opening (11) is provided with fixed block (16), the lower terminal surface of fixed block (16) is laminated with the up end of stopper (13), the lower extreme fixed mounting of loop bar (9) has base (17), universal wheel (18) are installed to the lower extreme of base (17).

2. A portable stand for mapping according to claim 1, wherein: the support is characterized in that a sleeve block (2) is fixedly connected to the center of the lower end of the support body (1), an inserting block (3) is inserted into the lower end of the sleeve block (2), a groove (4) is formed in the side wall of the inserting block (3), a spring (5) is transversely arranged in the groove (4), a clamping block (6) is movably mounted at the opening of the groove (4), the inner end of the clamping block (6) abuts against the end head of the spring (5), a limiting hole (7) is formed in the side wall of the sleeve block (2), and the clamping block (6) is inserted into the limiting hole (7), and a movable rod (8) is fixedly connected to the lower end of the inserting block (3).

3. A portable stand for mapping according to claim 2, wherein: the center points of the sleeve block (2), the inserting block (3), the movable rod (8), the sleeve rod (9) and the base (17) are all positioned on the same vertical line.

4. A portable stand for mapping according to claim 2, wherein: the inner wall of the sleeve block (2) and the outer wall of the insert block (3) are round, and the inner diameter of the sleeve block (2) is matched with the outer diameter of the insert block (3).

5. A portable stand for mapping according to claim 2, wherein: the edges of the openings of the sleeve block (2) and the limiting hole (7) are arc-shaped, and the outer diameter of the clamping block (6) is matched with the inner diameter of the limiting hole (7).

6. A portable stand for mapping according to claim 2, wherein: the outer end of the clamping block (6) is inclined, and the side wall of the outer end of the clamping block (6) is arc-shaped.

7. A portable stand for mapping according to claim 1, wherein: the pedal (15) is inclined upwards, and the lower end of the pedal (15) is connected with the limiting block (13).