CN214165715U

CN214165715U - Protection device for surveying and mapping engineering theodolite

Info

Publication number: CN214165715U
Application number: CN202120060239.3U
Authority: CN
Inventors: 朱华; 冯淇瑞; 牟松; 张礼维; 程春霖
Original assignee: Chongqing Academy of Metrology and Quality Inspection
Current assignee: Chongqing Academy of Metrology and Quality Inspection
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-09-10
Anticipated expiration: 2031-01-11

Abstract

The utility model relates to the technical field of teaching tools, and discloses a protective device for surveying and mapping engineering theodolite, which comprises a protective cover main body, wherein a through hole is arranged at the top of the protective cover main body, a protective cover is rotatably connected at one side of the top of the protective cover main body, a protective cavity is arranged inside the protective cover main body, two chutes are symmetrically arranged on the inner wall of the protective cavity, two limiting plates are evenly and slidably connected inside the chutes, two sliders are arranged at one opposite sides of the limiting plates, two springs are symmetrically and fixedly connected at one opposite sides of the sliders, the utility model discloses a chute enables the limiting plates to slide in the chutes, and the protective cover main body moves downwards by pressing the protective cover main body, so that a theodolite can be moved to the outside of the protective cover main body through the through hole, thereby the theodolite can be used without taking down the device when the user needs to use the theodolite, the difficulty of using the device is greatly reduced, and the using efficiency of the device is improved.

Description

Protection device for surveying and mapping engineering theodolite

Technical Field

The utility model relates to a teaching tool technical field, concretely relates to protector for mapping engineering theodolite.

Background

The theodolite is a measuring instrument for measuring horizontal and vertical angles designed according to the goniometric principle, and is divided into two types, namely an optical theodolite and an electronic theodolite, the most commonly used is the electronic theodolite, the theodolite is a mechanical part of a telescope, so that the telescope can point to different directions, the theodolite is provided with two mutually perpendicular rotating shafts to adjust and calibrate the azimuth angle and the horizontal height of the telescope, and the theodolite is an angle measuring instrument and is provided with a sighting part, a horizontal dial and indexes of reading, a vertical dial and indexes of reading.

But after traditional device protected the theodolite, when the user need use the theodolite, need take off the device and just can use the theodolite, greatly increased the degree of difficulty that the device used, reduced the availability factor of device to can't be applicable to the device of different specifications, can only be used for fixed use scene, the application range of device has the limitation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, provide a protector for mapping engineering theodolite now for solve the problem of the availability factor of device, in addition, the application range of device has the problem of limitation.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a survey and drawing engineering protector for theodolite, including the safety cover main part, the through-hole has been seted up at the top of safety cover main part, and one side rotation that safety cover main part top is close to the through-hole is connected with the visor, the protection chamber has been seted up to the inside of safety cover main part, two spouts, two have been seted up to the inner wall symmetry in protection chamber the equal sliding connection in inside of spout has a limiting plate, two the slider is all installed, two to one side that the limiting plate is relative two equal symmetrical fixedly connected with springs in one side that the slider is relative, the spring is carried on the back in the equal fixedly connected with arc frame of one end of slider.

Preferably, two the equal symmetry in one side that the limiting plate carried on the back mutually installs two guide pulley seats, the guide pulley groove has all been seted up in one side that the limiting plate was carried on the back mutually to the guide pulley seat, the inside rotation in guide pulley groove is connected with the connecting rod, the cover is equipped with the guide pulley on the connecting rod.

Preferably, the arc-shaped pad is installed at the concave part of the arc-shaped frame, and the concave part of the arc-shaped pad forms an arc-shaped groove.

Preferably, the top of the protective cover is provided with a pull groove, and an arc-shaped part is formed inside the pull groove.

Preferably, a handle is installed on one side of the protective cover main body, and a handle sleeve is sleeved on the handle.

Preferably, one side of the outer wall of the arc-shaped frame, which is close to the spring, is provided with a pull ring, and the pull ring is provided with a pull hole.

Preferably, the cross sections of the protective cover and the through hole are both circular, and the diameter of the protective cover is larger than that of the through hole.

Preferably, the circumferential surface of the handle sleeve is provided with an annular groove, and the outer wall of the annular groove forms an anti-skid convex line.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) the utility model discloses a spout makes the limiting plate can slide in the spout, through pressing down the safety cover main part, makes the safety cover main part move down, lets the theodolite pass through the through-hole and removes to the safety cover main part outside to when letting the user need use the theodolite, need not to take off the device and can use the theodolite, greatly reduced the degree of difficulty that the device used, improved the availability factor of device.

2) The utility model discloses a slider supports the spring holder, promotes through the spring extrusion to arc frame, supports the theodolite both sides through the arc frame to let the device be connected with the theodolite, let the device can be applicable to the device of different specifications, can be used for different use scenes, thereby reach and improve the device application range

The effect of enclosing.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a plan view of the present invention.

Fig. 4 is a top view of the protective cover of the present invention after rotating.

Fig. 5 is a bottom view of the present invention.

Fig. 6 is an internal structural view of fig. 5.

Fig. 7 is an internal structure view of the present invention.

Fig. 8 is an enlarged view of a portion a in fig. 6.

In the figure: 1. a protective cover main body; 2. a protective cover; 3. groove drawing; 4. a handle bar; 5. a through hole; 6. an arc-shaped frame; 7. an arc-shaped pad; 8. a spring; 9. a slider; 10. a protection cavity; 11. a guide wheel; 12. a guide wheel seat; 13. a guide wheel groove; 14. a chute; 15. a connecting rod; 16. a limiting plate; 17. a pull ring; 18. an annular groove; 19. a handle sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 invention and are not intended to limit the invention.

As shown in figures 1-8 of the drawings,

the first embodiment is as follows: a protective device for a surveying and mapping engineering theodolite comprises a protective cover main body 1, wherein a through hole 5 is formed in the top of the protective cover main body 1, a protective cover 2 is rotatably connected to one side, close to the through hole 5, of the top of the protective cover main body 1, a protective cavity 10 is formed in the protective cover main body 1, two sliding grooves 14 are symmetrically formed in the inner wall of the protective cavity 10, limiting plates 16 are respectively and slidably connected to the insides of the two sliding grooves 14, sliding blocks 9 are respectively installed on the opposite sides of the two limiting plates 16, two springs 8 are respectively and fixedly connected to the opposite sides of the two sliding blocks 9, an arc-shaped frame 6 is respectively and fixedly connected to one end, opposite to the sliding blocks 9, of each spring 8, each spring 8 is supported by the corresponding slider 9, each arc-shaped frame 6 is pushed by the corresponding spring 8 to the theodolite, make visor 2 and through-hole 5 separation, with the pulling down of safety cover main part 1, make safety cover main part 1 pass through spout 14 and limiting plate 16 and slide to let safety cover main part 1 move down, make the theodolite pass through-hole 5 and remove to safety cover main part 1 outside.

Further, arc pad 7 is installed to the concave department of arc frame 6, and the concave department of arc pad 7 forms the arc wall, lets arc frame 6 fasten more when supporting the theodolite through arc pad 7 and arc wall.

Further, the pull groove 3 has been seted up at the top of visor 2, and the inside formation arc portion of pull groove 3 lets visor 2 be convenient for spur through arc portion and pull groove 3.

Furthermore, a handle 4 is installed on one side of the protection cover main body 1, a handle sleeve 19 is sleeved on the handle 4, and the protection cover main body 1 is convenient to pull through the handle sleeve 19 and the handle 4.

Further, pull ring 17 is installed to one side that the outer wall of arc frame 6 is close to spring 8, has seted up the trompil on the pull ring 17, lets arc frame 6 be convenient for stimulate through trompil and pull ring 17.

Further, the cross sections of the protective cover 2 and the through hole 5 are both circular, the diameter of the protective cover 2 is larger than that of the through hole 5, and the protective cover 2 with the larger diameter is convenient for shielding the through hole 5.

Furthermore, the circumferential surface of the handle sleeve 19 is provided with an annular groove 18, the outer wall of the annular groove 18 forms an anti-slip convex pattern, and the handle sleeve 19 is convenient to hold through the annular groove 18 and the anti-slip convex pattern.

Example two: two guide wheel seats 12 are installed to the equal symmetry in one side that two limiting plates 16 carried on the back mutually, and guide wheel groove 13 has all been seted up in one side that limiting plate 16 was carried on the back mutually to guide wheel seat 12, and the inside of guide wheel groove 13 rotates and is connected with connecting rod 15, and the cover is equipped with guide wheel 11 on connecting rod 15, and guide wheel groove 13 through guide wheel seat 12 one side rotates connecting rod 15, makes guide wheel 11 rotate through connecting rod 15, lets limiting plate 16 more steady when 14 inside removals of spout through guide wheel 11.

The utility model discloses a theory of operation and use flow: the utility model discloses a when using, place safety cover main part 1 in the theodolite top through 1 bottom opening of safety cover main part, support spring 8 through slider 9, promote through spring 8 to 6 extrudions of arc frame, support the theodolite both sides through arc frame 6, thereby let the device be connected with the theodolite, and under the effect of arc pad 7, it fastens more when supporting the theodolite to let arc frame 6, when the user needs to use the theodolite, rotate visor 2 through the kerve 3, thereby let visor 2 separate with through-hole 5, through pulling safety cover main part 1 down by being barre 4, make safety cover main part 1 pass through spout 14 and limiting plate 16 relative slip, thereby let the theodolite pass through-hole 5 and remove to 1 outside of safety cover main part, let the theodolite convenient to use.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a protector for mapping engineering theodolite which characterized in that: including safety cover main part (1), through-hole (5) have been seted up at the top of safety cover main part (1), and one side rotation that safety cover main part (1) top is close to through-hole (5) is connected with visor (2), protection chamber (10) have been seted up to the inside of safety cover main part (1), two spout (14), two have been seted up to the inner wall symmetry in protection chamber (10) the equal sliding connection in inside of spout (14) has limiting plate (16), two slider (9), two all install slider (9) in the relative one side of limiting plate (16) two equal symmetrical fixedly connected with springs (8) in the relative one side of slider (9), spring (8) are carried on the back in the equal fixedly connected with arc frame (6) of one end of slider (9).

2. The protection device for the surveying and mapping engineering theodolite according to claim 1, characterized in that: two equal symmetry in one side that limiting plate (16) carried on the back mutually installs two leading wheel seats (12), leading wheel groove (13) have all been seted up in one side that limiting plate (16) was carried on the back mutually in leading wheel seat (12), the inside rotation of leading wheel groove (13) is connected with connecting rod (15), the cover is equipped with guide pulley (11) on connecting rod (15).

3. The protection device for the surveying and mapping engineering theodolite according to claim 1, characterized in that: the arc-shaped cushion (7) is installed at the concave part of the arc-shaped frame (6), and the concave part of the arc-shaped cushion (7) forms an arc-shaped groove.

4. The protection device for the surveying and mapping engineering theodolite according to claim 1, characterized in that: a pull groove (3) is formed in the top of the protective cover (2), and an arc-shaped portion is formed inside the pull groove (3).

5. The protection device for the surveying and mapping engineering theodolite according to claim 1, characterized in that: a handle bar (4) is installed on one side of the protective cover main body (1), and a handle sleeve (19) is sleeved on the handle bar (4).

6. The protection device for the surveying and mapping engineering theodolite according to claim 1, characterized in that: and a pull ring (17) is installed on one side, close to the spring (8), of the outer wall of the arc-shaped frame (6), and a pull hole is formed in the pull ring (17).

7. The protection device for the surveying and mapping engineering theodolite according to claim 1, characterized in that: the cross sections of the protective cover (2) and the through hole (5) are both circular, and the diameter of the protective cover (2) is larger than that of the through hole (5).

8. The protection device for the surveying and mapping engineering theodolite according to claim 5, characterized in that: an annular groove (18) is formed in the circumferential surface of the handle sleeve (19), and anti-skid convex lines are formed on the outer wall of the annular groove (18).