CN215776367U

CN215776367U - Surveying and mapping table convenient to carry

Info

Publication number: CN215776367U
Application number: CN202121071267.1U
Authority: CN
Inventors: 张文婕; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-02-11
Anticipated expiration: 2031-05-18

Abstract

The utility model relates to the technical field of surveying and mapping, and discloses a portable surveying and mapping table which comprises a box body, wherein fixing belts are fixedly connected to the left side and the right side of the box body. The rotating handle is matched with the worm wheel to drive the semicircular gear and the arc gear to rotate simultaneously, the four connecting rods and the four square rods are enabled to be matched to drive the two top plates to be unfolded towards two sides of the device, the semicircular gear and the arc gear are simultaneously and rotatably matched with the hinge rod to jack up the trapezoidal sliding plate upwards while the two top plates are unfolded, the trapezoidal sliding plate and the two top plates are enabled to be on the same horizontal plane, the size of the surveying and mapping table can be changed conveniently according to the requirements of a user, the rotating handle is matched with the worm wheel to drive the semicircular gear and the arc gear to rotate simultaneously, the hinge rod is enabled to pull the trapezoidal sliding plate downwards, the connecting rods are matched with the square rods to enable the two top plates to move inwards and be in lap joint while the trapezoidal sliding plate moves downwards, the device is folded, and then the device is carried through the fixing belt.

Description

Surveying and mapping table convenient to carry

Technical Field

The utility model relates to the technical field of surveying and mapping, in particular to a portable surveying and mapping table.

Background

Surveying and mapping, which refers to measuring, collecting and drawing the shape, size, spatial position and attributes of natural geographic elements or surface artificial facilities, surveying and mapping, researching and measuring and calculating the geometric position, the spherical shape and the earth gravitational field of ground points, measuring the natural shape of the earth surface and the geometric distribution of the artificial facilities according to the geometric positions, the spherical shape and the earth gravitational field, and compiling theoretical and technical subjects of maps and thematic maps of various scales of the global area and the local area by combining certain social information and the geographic distribution of the natural information. The current surveying and mapping means mainly comprise three-dimensional surveying and mapping equipment, manual surveying and mapping and the like, and the manual surveying and mapping has the flexible characteristics.

The prior patent (publication number: CN208925381U) discloses a surveying and mapping platform, which can adjust the height and the inclination angle of the supporting plate, but the device is inconvenient to adjust the size of the display board according to the requirement, and the device has a large volume and is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, such as: the size of panel is adjusted to inconvenient according to the demand, and the device is bulky, and inconvenient carrying it, and the survey and drawing platform of conveniently carrying that provides.

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

a portable surveying and mapping table comprises a box body, wherein fixing belts are fixedly connected to the left side and the right side of the box body, a first round rod and a second round rod are rotatably connected to the front side and the rear side of the inner wall of the box body respectively, a semicircular gear and an arc gear are fixedly sleeved at the two ends of the first round rod and the two ends of the second round rod respectively, the semicircular gear is meshed with the arc gear, a worm wheel is fixedly sleeved at the middle part of the side surface of the first round rod, a worm is rotatably connected to the right side of the box body, the left end of the worm extends into the box body and is meshed with the worm wheel, hinge rods are fixedly connected to the two ends of the side surfaces of the first round rod and the second round rod respectively, a trapezoidal sliding plate is slidably connected to the top of the inner wall of the box body, the side surface of the trapezoidal sliding plate is hinged to one end of four hinge rods, the two ends of the first round rod and the second round rod extend to the outer side of the box body and are fixedly connected with connecting rods, the top of connecting rod and the top of two connecting rods on the right side all articulate there is the roof, two the middle part of both sides all articulates around the roof has square pole, and the bottom of four square poles all articulates with the side of box.

Preferably, four corners of the bottom surface of the box body are fixedly connected with supporting legs, and the bottom surfaces of the supporting legs are fixedly bonded with non-slip mats.

Preferably, the inner wall of the box body is provided with a sliding chute, and the inner wall of the sliding chute is in sliding connection with the side face of the trapezoidal sliding plate.

Preferably, the left end of the worm is fixedly connected with a rotating handle, and the side surface of the rotating handle is provided with anti-skid grains.

Preferably, the top plate is arranged right above the trapezoidal sliding plate, and one side of the two top plates opposite to each other is provided with a chute.

Preferably, the number of the connecting rods is four, and the four square rods correspond to each other one by one and are parallel to each other.

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

(1) according to the utility model, the rotating handle is rotated to be matched with the worm wheel to drive the semicircular gear and the arc gear to rotate simultaneously, the four connecting rods and the four square rods are enabled to be matched to drive the two top plates to be unfolded towards two sides of the device, the semicircular gear and the arc gear are simultaneously rotated and matched with the hinge rod to jack up the trapezoidal sliding plate upwards while the two top plates are unfolded, the trapezoidal sliding plate and the two top plates are enabled to be on the same horizontal plane, and the size of the surveying and mapping table can be conveniently changed according to the requirements of users.

(2) According to the folding device, the rotating handle is rotated to be matched with the worm wheel to drive the semicircular gear and the arc gear to rotate simultaneously, the hinge rod is enabled to pull the trapezoidal sliding plate downwards, the connecting rod and the square rod are matched to enable the two top plates to move inwards and be in lap joint when the trapezoidal sliding plate moves downwards, the folding device is folded, space is saved, and then the fixing belt is used for carrying the folding device.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

fig. 3 is a partial perspective view of the present invention.

In the figure: 1. a box body; 2. fixing belts; 3. a first round bar; 4. a second round bar; 5. a semi-circular gear; 6. an arc gear; 7. a worm gear; 8. a worm; 9. a hinged lever; 10. a trapezoidal sliding plate; 11. a connecting rod; 12. a top plate; 13. a square rod; 14. supporting legs; 15. and (4) turning the handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a portable surveying and mapping table comprises a box body 1, wherein supporting legs 14 are fixedly connected to four corners of the bottom surface of the box body 1, non-slip pads are fixedly bonded to the bottom surfaces of the supporting legs 14, friction between the device and the ground is increased, stability of the device in a placing process is guaranteed, fixing belts 2 are fixedly connected to the left side and the right side of the box body 1, a first round bar 3 and a second round bar 4 are respectively rotatably connected to the front side and the rear side of the inner wall of the box body 1, a semicircular gear 5 and an arc gear 6 are respectively fixedly sleeved at two ends of the first round bar 3 and two ends of the second round bar 4, the semicircular gear 5 is meshed with the arc gear 6, a worm wheel 7 is fixedly sleeved at the middle part of the side surface of the first round bar 3, a worm 8 is rotatably connected to the right side of the box body 1, a rotating handle 15 is fixedly connected to the left side of the worm 8, anti-slip lines are arranged on the side surface of the rotating handle 15, the worm 8 is more conveniently driven to rotate by the handle 15, the left end of the worm 8 extends into the box body 1 and is meshed with the worm wheel 7, two ends of the side surfaces of the first round rod 3 and the second round rod 4 are fixedly connected with hinged rods 9, the top of the inner wall of the box body 1 is slidably connected with a trapezoidal sliding plate 10, the inner wall of the box body 1 is provided with a sliding chute, the inner wall of the sliding chute is slidably connected with the side surface of the trapezoidal sliding plate 10, the friction force generated when the side surface of the trapezoidal sliding plate 1 slides with the inner wall of the box body 1 is reduced, the trapezoidal sliding plate 10 stably moves up and down on the inner wall of the box body 1 is ensured, the side surface of the trapezoidal sliding plate 10 is hinged with one end of each of the four hinged rods 9, two ends of the first round rod 3 and the second round rod 4 extend to the outer side of the box body 1 and are fixedly connected with connecting rods 11, the top ends of the two connecting rods 11 on the left side and the top ends of the two connecting rods 11 on the right side are hinged with top plates 12, the top plates 12 are right above the trapezoidal sliding plate 10, and one side opposite to the two top plates 12 is provided with chutes, guarantee the concatenation combination between two relative one sides of roof 12 and trapezoidal slide 10 both sides, the middle part of both sides all articulates around two roof 12 has square pole 13, the quantity of connecting rod 11 is four, and four square pole 13 one-to-ones are parallel to each other, guarantee the stable expansion to both sides of two roof 12 through connecting rod 11 and square pole 13 cooperation, and make trapezoidal slide 10 downstream through hinge bar 9, make trapezoidal slide 10 and two roof 12 on same horizontal plane, in order to make things convenient for the user to adjust the size of survey and drawing platform according to the demand, and the bottom of four square pole 13 all articulates with the side of box 1.

In the utility model, when a user uses the device, the device is placed at a designated position, then the rotating handle 15 is rotated, the worm wheel 8 is driven to rotate through the rotation of the rotating handle 15, the semicircular gear 5 is driven to rotate and the arc gear 6 is driven to rotate, the four hinge rods 9 are driven to push the trapezoidal sliding plate 10 to move upwards, and the semicircular gear 5 and the arc gear 6 rotate, meanwhile, the connecting rod 11 and the square rod 13 are matched to drive the two top plates 12 to be unfolded towards two sides and to be positioned on the same horizontal plane with the trapezoidal sliding plate 10, so that the unfolding of the device is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a survey and drawing platform that conveniently carries, includes box (1), its characterized in that: the improved structure of the box is characterized in that fixing bands (2) are fixedly connected to the left side and the right side of the box body (1), a first round rod (3) and a second round rod (4) are rotatably connected to the front side and the rear side of the inner wall of the box body (1) respectively, a semicircular gear (5) and an arc gear (6) are fixedly sleeved at the two ends of the first round rod (3) and the two ends of the second round rod (4) respectively, the semicircular gear (5) is meshed with the arc gear (6), a worm wheel (7) is fixedly sleeved at the middle of the side face of the first round rod (3), a worm (8) is rotatably connected to the right side of the box body (1), the left end of the worm (8) extends into the box body (1) and is meshed with the worm wheel (7), hinge rods (9) are fixedly connected to the two ends of the side faces of the first round rod (3) and the second round rod (4), a trapezoidal sliding plate (10) is slidably connected to the top of the inner wall of the box body (1), and the side of trapezoidal slide (10) is articulated with the one end of four articulated mast (9), the both ends of first round bar (3) and second round bar (4) all extend to the outside and the fixedly connected with connecting rod (11) of box (1), two in the left side the top of connecting rod (11) and the top of two connecting rods (11) in the right side all articulate there is roof (12), two the middle part of both sides all articulates around roof (12) has square pole (13), and the bottom of four square poles (13) all articulates with the side of box (1).

2. The portable surveying and mapping table according to claim 1, wherein support legs (14) are fixedly connected to four corners of the bottom surface of the box body (1), and non-slip mats are fixedly adhered to the bottom surfaces of the support legs (14).

3. The portable surveying and mapping table according to claim 1, wherein the inner wall of the box body (1) is provided with a sliding groove, and the inner wall of the sliding groove is slidably connected with the side surface of the trapezoidal sliding plate (10).

4. The portable surveying and mapping table according to claim 1, wherein a rotating handle (15) is fixedly connected to a left end of the worm (8), and anti-slip threads are formed on a side surface of the rotating handle (15).

5. A portable surveying and mapping table according to claim 1, wherein the top plate (12) is directly above the trapezoidal sliding plate (10), and the opposite sides of the two top plates (12) are provided with chutes.

6. A portable surveying and mapping table according to claim 1, characterized in that the number of connecting rods (11) is four, and four square rods (13) are in one-to-one correspondence and parallel to each other.