CN212718993U

CN212718993U - Combination of telescopic foot rest and leveling rod

Info

Publication number: CN212718993U
Application number: CN202021574633.0U
Authority: CN
Inventors: 王伟; 龚宏
Original assignee: Chengdu Aeronautic Polytechnic
Current assignee: Chengdu Aeronautic Polytechnic
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-16
Anticipated expiration: 2030-07-31

Abstract

The utility model belongs to the technical field of building tools, in particular to a combination of a telescopic foot rest and a leveling rod, which comprises a fixed block, wherein the lower surface of the fixed block is provided with a leveling rod clamping groove, the inside of the leveling rod clamping groove is fixedly connected with a slide rod, the surface of the slide rod is connected with a slide block in a sliding manner, the surface of the slide block is fixedly connected with a fastening plate, the inside of the fastening plate is fixedly connected with a bearing, the inside of the bearing is sleeved with a rotating shaft, and one end of the rotating shaft is fixedly connected with a second threaded column; the utility model discloses, through setting up mounting plate, regulation handle, second screw thread post, slide bar, slider, pivot, bearing and screwed pipe, can fix the levelling rod in the inside of levelling rod draw-in groove, guaranteed simultaneously that the mounting plate can not be rotatory along with the rotation of second screw thread post under the effect of slider and slide bar to ensure the fixed effect to the levelling rod, and then reduce the staff working strength of holding up the chi, and can improve the observation precision greatly.

Description

Combination of telescopic foot rest and leveling rod

Technical Field

The utility model belongs to the technical field of building tool, concretely relates to combination of scalable foot rest and levelling rod.

Background

The leveling rod is a staff used for leveling, and is made of high-quality wood or glass fiber reinforced plastic, aluminum alloy and other materials, the commonly used leveling rod has three types, namely a tower rod, a folding rod and a double-faced leveling rod, the leveling rod is a main tool for leveling, but during measurement, a staff holding the leveling rod cannot make the leveling rod stand at the best position to cause measurement errors.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a combination of scalable foot rest and levelling rod has the characteristics that improve the accurate nature of levelling rod measuring result.

In order to achieve the above object, the utility model provides a following technical scheme: the combination of the telescopic foot rest and the leveling rod comprises a fixed block, wherein a leveling rod clamping groove is formed in the lower surface of the fixed block, a sliding rod is fixedly connected inside the leveling rod clamping groove, a sliding block is connected to the surface of the sliding rod in a sliding manner, a surface of the sliding block is fixedly connected with a fastening plate, a bearing is fixedly connected inside the fastening plate, a rotating shaft is sleeved inside the bearing, a second threaded column is fixedly connected to one end of the rotating shaft, a threaded pipe is connected to the surface of the second threaded column in a threaded manner, an adjusting handle is fixedly connected to one end of the second threaded column after penetrating through the threaded pipe, a clamping hole is formed in the upper surface of the fixed block, a clamping column is clamped inside the clamping hole, a fixed plate is fixedly connected to one end of the clamping column, a pressing plate is lapped on the upper surface of the fixed plate, a bolt is sleeved inside the pressing plate, the lower fixed surface of fixed plate is connected with the extension board, the inside fixedly connected with round pin axle of extension board, the first supporting leg of fixed surface connection of round pin axle, the inside threaded connection of first supporting leg has first screw thread post, the one end fixedly connected with adjust knob of first screw thread post, adjust knob's first screw thread post of fixed surface connection, the surperficial threaded connection of first screw thread post has the second supporting leg, the third screw thread post has been cup jointed to the one end of second supporting leg, the fixed surface of third screw thread post is connected with the pawl, the surperficial threaded connection of third screw thread post has the nut.

Preferably, the number of the first supporting legs and the second supporting legs is four and the first supporting legs and the second supporting legs are respectively arranged on the front side face, the rear side face, the left side face and the right side face of the fixing block.

Preferably, the quantity of mounting plate is two and sets up respectively on the left side and the right side of levelling rod draw-in groove.

Preferably, two first threaded columns are fixedly connected to the surface of the adjusting knob, and the thread directions of the two first threaded columns are opposite.

Preferably, the upper surface of the fixed block is provided with a threaded hole, and the fixed block is in threaded connection with the bolt through the threaded hole.

Preferably, the nut overlap joint is on the surface of second supporting leg, screwed pipe fixed connection is in the inside of fixed block and the quantity of screwed pipe is two.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model, through setting up the mounting plate, adjust the handle, the second screw post, the slide bar, the slider, the pivot, bearing and screwed pipe, in the practical application, through the cooperation between the above-mentioned, can fix the levelling rod in the inside of levelling rod draw-in groove, guaranteed simultaneously under the effect of slider and slide bar that the mounting plate can not rotate along with the rotation of second screw post, thereby ensure the fixed effect to the levelling rod, and then reduce the staff working strength of holding up the ruler, and can greatly improve the observation precision, through setting up first supporting leg, the second supporting leg, the first screw post, the second screw post, adjust knob, the third screw post, nut and pawl, in the practical application, through the cooperation between the above-mentioned, not only can rotate the height of each point of regulation rotation control, guarantee the levelling rod keeps perpendicular, further improve the accuracy of measuring result, make this device adaptable to various topography circumstances under the effect of pawl simultaneously, thereby improving the practicability of the device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

fig. 2 is a schematic structural view of the middle press plate of the present invention;

FIG. 3 is an enlarged schematic structural view of the position A of the present invention;

in the figure: 1. a fixed block; 2. a clamping hole; 3. clamping the column; 4. a fixing plate; 5. pressing a plate; 6. a bolt; 7. a threaded hole; 8. an extension plate; 9. a pin shaft; 10. a first support leg; 11. adjusting the handle; 12. a first threaded post; 13. adjusting a knob; 14. a second support leg; 15. a pawl; 16. a threaded pipe; 17. a fastening plate; 18. a slide bar; 19. a slider; 20. a bearing; 21. a rotating shaft; 22. a second threaded post; 23. a nut; 24. a third threaded post; 25. leveling rod draw-in groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the combination of a telescopic foot stool and a leveling rod comprises a fixed block 1, a leveling rod clamping groove 25 is formed in the lower surface of the fixed block 1, a sliding rod 18 is fixedly connected to the inside of the leveling rod clamping groove 25, a sliding block 19 is slidably connected to the surface of the sliding rod 18, a surface fixing and fastening plate 17 of the sliding block 19 is fixedly connected to the inside of the fastening plate 17, a rotating shaft 21 is sleeved inside the bearing 20, a second threaded column 22 is fixedly connected to one end of the rotating shaft 21, a threaded pipe 16 is connected to the surface of the second threaded column 22 in a threaded manner, an adjusting handle 11 is fixedly connected to one end of the second threaded column 22 through the threaded pipe 16, and the fastening plate 17, the adjusting handle 11, the second threaded column 22, the sliding rod 18, the sliding block 19, the rotating shaft 21, the bearing 20 and the threaded pipe 16 are matched with each other in actual application, the leveling rod can be fixed inside the leveling rod clamping groove 25, the fastening plate 17 is ensured not to rotate along with the rotation of the second threaded column 22 under the action of the sliding block 19 and the sliding rod 18, so that the fixing effect on the leveling rod is ensured, the working strength of a rod holding person is further reduced, the observation precision can be greatly improved, the clamping hole 2 is formed in the upper surface of the fixing block 1, the clamping column 3 is clamped inside the clamping hole 2, the fixing plate 4 is fixedly connected to one end of the clamping column 3, the pressing plate 5 is lapped on the upper surface of the fixing plate 4, the bolt 6 is sleeved inside the pressing plate 5, the fixing plate 4 can be quickly disassembled and assembled through the arrangement of the bolt 6, the clamping hole 2, the clamping column 3, the pressing plate 5 and the fixing plate 4 in practical application through the matching between the above steps, so that the whole volume of the device is reduced, and the transportation and the storage of the device are convenient, bolt 6 threaded connection is in the inside of fixed block 1, the lower fixed surface of fixed plate 4 is connected with extension board 8, the inside fixedly connected with round pin axle 9 of extension board 8, the first supporting leg 10 of fixed surface of round pin axle 9 is connected with, the inside threaded connection of first supporting leg 10 has first screw thread post 12, the one end fixedly connected with adjust knob 13 of first screw thread post 12, adjust knob 13's fixed surface is connected with first screw thread post 12, the surface threaded connection of first screw thread post 12 has second supporting leg 14, third screw thread post 24 has been cup jointed to the one end of second supporting leg 14, the surface fixed surface of third screw thread post 24 is connected with pawl 15, the surface threaded connection of third screw thread post 24 has nut 23, through setting up first supporting leg 10, second supporting leg 14, first screw thread post 12, second screw thread post 22, Adjust knob 13, third screw thread post 24, nut 23 and pawl 15, in the application of reality, through the cooperation between the aforesaid, not only the height of each point of accessible rotation regulation rotation control guarantees that the levelling rod keeps perpendicular, and further improvement measuring result's is accurate, makes the adaptable various topography condition of this device simultaneously under the effect of pawl 15 to improve the practicality of this device.

Specifically, the quantity of first supporting leg 10 and second supporting leg 14 is four and sets up respectively at leading flank, trailing flank, left surface and the right flank of fixed block 1, is four through the quantity that sets up first supporting leg 10 and second supporting leg 14, and in the application of reality, further improvement the holistic stability of this device, ensure the safe in utilization of this device.

Specifically, the number of the fastening plates 17 is two and the two fastening plates are respectively arranged on the left side and the right side of the leveling rod clamping groove 25.

Specifically, two first threaded columns 12 are fixedly connected to the surface of the adjusting knob 13, and the thread directions of the two first threaded columns 12 are opposite.

Specifically, a threaded hole 7 is formed in the upper surface of the fixing block 1, and the fixing block 1 is in threaded connection with the bolt 6 through the threaded hole 7.

Specifically, the nut 23 is lapped on the surface of the second support leg 14, the threaded pipes 16 are fixedly connected inside the fixing block 1, and the number of the threaded pipes 16 is two.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the pawl 15 is selectively unfolded according to different terrain conditions, the pawl is fixed through the third threaded column 24 and the nut 23, then the adjusting knob 13 is rotated to adjust the extension lengths of the first supporting leg 10 and the second supporting leg 14 under the action of the first threaded column 12, thereby ensuring that four corners of the fixed block 1 are in a horizontal state, then the leveling rod is taken to ensure that one end of the leveling rod is positioned in the leveling rod clamping groove 25, then the adjusting handles 11 on two sides are rotated to ensure that the adjusting handle 11 drives the second threaded column 22 to rotate and move in the threaded pipe 16, thereby pushing the fastening plate 17 to approach the leveling rod, when two fastening plates 17 are in lap joint with the surface of the leveling rod, the adjusting handle 11 is slowly rotated to avoid damaging the surface of the leveling rod, namely, the fixing of the leveling rod can be completed, and simultaneously, in the moving process of the fastening plate 17, under the effect of slider 19 and slide bar 18, avoided mounting plate 17 rotatory along with the rotation of second screw thread post 22, ensured the fixed effect of mounting plate 17 to the levelling rod, at last after the measurement is accomplished, the above-mentioned step of reverse operation, can take out the levelling rod, screw bolt 6 off after that, make clamp plate 5 keep away from fixed plate 4, can accomplish the dismantlement work of first supporting leg 10 and second supporting leg 14, reduce the whole volume of this device, make things convenient for the transportation and the depositing of this device.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The combination of scalable foot rest and levelling rod, including fixed block (1), its characterized in that: a leveling rod clamping groove (25) is formed in the lower surface of the fixing block (1), a sliding rod (18) is fixedly connected to the inside of the leveling rod clamping groove (25), a sliding block (19) is connected to the surface of the sliding rod (18) in a sliding manner, a fastening plate (17) is fixedly connected to the surface of the sliding block (19), a bearing (20) is fixedly connected to the inside of the fastening plate (17), a rotating shaft (21) is sleeved inside the bearing (20), a second threaded column (22) is fixedly connected to one end of the rotating shaft (21), a threaded pipe (16) is connected to the surface of the second threaded column (22), an adjusting handle (11) is fixedly connected to one end of the second threaded column (22) after the threaded pipe (16) passes through, a clamping hole (2) is formed in the upper surface of the fixing block (1), a clamping column (3) is clamped to the inside of the clamping hole (2), and a fixing plate (4) is fixedly connected to one end of the, the upper surface of the fixing plate (4) is lapped with a pressing plate (5), a bolt (6) is sleeved inside the pressing plate (5), the bolt (6) is in threaded connection with the inside of the fixing block (1), the lower surface of the fixing plate (4) is fixedly connected with an extending plate (8), the inside of the extending plate (8) is fixedly connected with a pin shaft (9), the surface of the pin shaft (9) is fixedly connected with a first supporting leg (10), the inside of the first supporting leg (10) is in threaded connection with a first threaded column (12), one end of the first threaded column (12) is fixedly connected with an adjusting knob (13), the surface of the adjusting knob (13) is fixedly connected with a first threaded column (12), the surface of the first threaded column (12) is in threaded connection with a second supporting leg (14), and one end of the second supporting leg (14) is sleeved with a third threaded column (24), the surface of the third threaded column (24) is fixedly connected with a pawl (15), and the surface of the third threaded column (24) is in threaded connection with a nut (23).

2. A combination of a retractable stand and a level according to claim 1, wherein: the number of the first supporting legs (10) and the number of the second supporting legs (14) are four, and the first supporting legs and the second supporting legs are respectively arranged on the front side face, the rear side face, the left side face and the right side face of the fixing block (1).

3. A combination of a retractable stand and a level according to claim 1, wherein: the quantity of mounting plate (17) is two and sets up respectively on the left side and the right side of levelling rod draw-in groove (25).

4. A combination of a retractable stand and a level according to claim 1, wherein: the surface of the adjusting knob (13) is fixedly connected with two first threaded columns (12), and the thread directions of the two first threaded columns (12) are opposite.

5. A combination of a retractable stand and a level according to claim 1, wherein: the upper surface of the fixing block (1) is provided with a threaded hole (7), and the fixing block (1) is in threaded connection with the bolt (6) through the threaded hole (7).

6. A combination of a retractable stand and a level according to claim 1, wherein: the nut (23) is overlapped on the surface of the second supporting leg (14), the threaded pipes (16) are fixedly connected inside the fixing block (1), and the number of the threaded pipes (16) is two.