CN213299341U

CN213299341U - Foldable support is used in foldable survey and drawing

Info

Publication number: CN213299341U
Application number: CN202021887856.2U
Authority: CN
Inventors: 吴志军
Original assignee: Wuxi Hongjun Electronic Technology Co ltd
Current assignee: Wuxi Hongjun Electronic Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-05-28
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a foldable support is used in foldable survey and drawing, including base, buckle and sun gear, the utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, convenient to use, the function is practical, the utility model discloses a mode that sets up single-rod support cooperation collapsible base plays the supporting role to the device in different service environment, and relative traditional triangle tip support is said, and its large tracts of land chassis has improved the stability of device, and single-rod support is more convenient and area is little easily removed at the recovery in-process, the utility model discloses a gear engagement drives the mode that the buckle meets and realizes the high-speed joint between surveying instrument body and the support, fixed mounting between relative traditional support and the surveying instrument body, and the mode of screw thread installation is said, and its connected mode is more convenient, and the gear meshes each other and improves connection stability.

Description

Foldable support is used in foldable survey and drawing

Technical Field

The utility model relates to a foldable support, in particular to foldable for survey and drawing foldable support belongs to foldable support technical field.

Background

Present folding support for survey and drawing is when the supporting legs is the triangle, if meet the short distance when removing at the survey and drawing in-process, need carry out manual folding recovery respectively to the tripod, the preparation process of its removal is numerous and area occupied is difficult for and removes greatly, and the single-legged support is when facing outdoor changeable environment, its stability is not high, and current surveying instrument body and surveying instrument support between the dismouting connected mode be mostly threaded connection or support and surveying instrument body formula device as an organic whole, inconvenient recovery and removal when the device is idle to be retrieved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a foldable support for survey and drawing.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a folding support for folding surveying and mapping, which comprises a base, a buckle and a central gear, wherein a sharp-end fixing foot is fixedly connected below the base, a guide rail is arranged above the base, a rotating shaft is fixedly connected at the middle part of the guide rail, a lower support is movably connected at the upper end of the rotating shaft, a movable shaft is fixedly connected above the lower support, an upper support is connected at the middle part of the movable shaft in a penetrating way, a ball is movably connected at the upper end of the upper support, the upper end of the guide rail is in contact connection with a supporting leg, an inner groove is arranged inside the supporting leg, the outer surface of the inner groove is in contact connection with the outer surface of the ball, a buckling position is arranged on the outer surface of the supporting leg, the buckle is fixedly connected at the, bracket upper end middle part through connection has the fixed strip, fixed strip one end contact is connected in surveying instrument body side, the fixed strip other end fixedly connected with rocker, the rocker is close to the one end middle part fixedly connected with transmission dish of fixed strip relatively, transmission dish external surface fixedly connected with sun gear, sun gear surface mesh is connected with driven gear, the inside swing joint of driven gear has the bearing, driven gear external surface contact is connected with the frame gear, the outside fixedly connected with foreign steamer of frame gear.

Preferably, the movable shaft has an angular contact bearing therein.

Preferably, the number of the driven gears and the bearings is three, and the driven gears and the bearings are equal in size.

Preferably, the fixing strip is provided with a projection.

Preferably, a groove matched with the bump is arranged at the position, corresponding to the fixing strip, of the surveying instrument body.

Preferably, the number of the fixing strips, the outer wheel, the bracket and the rocker is two, and the two positions are parallel and opposite.

Preferably, the number of the pointed fixing feet is four, and the four pointed fixing feet are evenly distributed below the base.

The utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, convenient to use, the function is practical, the utility model discloses a mode that sets up single-rod support cooperation collapsible base plays the supporting role to the device in different service environment, and relative traditional triangle tip support is said, and its large tracts of land chassis has improved the stability of device, and single-rod support is more convenient and area is little easily removed at the recovery in-process, the utility model discloses a gear engagement drives the mode that the buckle meets and realizes the high-speed joint between surveying instrument body and the support, fixed mounting between relative traditional support and the surveying instrument body, and the mode of screw thread installation is said, and its connected mode is more convenient, and the gear meshes each other and improves connection stability.

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 perspective view of a support leg of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic side view of the outer wheel of the present invention.

In the figure, 1, a base; 2. buckling; 3. a guide rail; 4. a lower bracket; 5. a movable shaft; 6. an upper bracket; 7. buckling; 8. a ball bearing; 9. supporting legs; 10. an inner tank; 11. a fixing strip; 12. a tip fixing foot; 13. a rotating shaft; 14. a connecting plate; 15. a rocker; 16. a drive plate; 17. a sun gear; 18. a bearing; 19. a driven gear; 20. an outer frame gear; 21. an outer wheel; 22. A bracket.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in figures 1-3, the utility model provides a folding support for surveying and mapping, which comprises a base 1, a buckle 2 and a central gear 17, wherein a pointed fixing foot 12 is fixedly connected below the base 1, a guide rail 3 is arranged above the base 1, a rotating shaft 13 is fixedly connected in the middle of the guide rail 3, a lower support 4 is movably connected at the upper end of the rotating shaft 13, a movable shaft 5 is fixedly connected above the lower support 4, an upper support 6 is connected in the middle of the movable shaft 5 in a penetrating way, a ball 8 is movably connected at the upper end of the upper support 6, a supporting foot 9 is connected at the upper end of the guide rail 3 in a contact way, an inner groove 10 is arranged inside the supporting foot 9, the outer surface of the inner groove 10 is connected to the outer surface of the ball 8 in a contact way, a buckling position 7 is arranged on the outer surface, 14 bottom fixedly connected with brackets 22 of connecting plate, bracket 22 upper end middle part through connection has fixed

strip

11, 11 one end contact of fixed strip is connected in surveying instrument body 23 side, 11 other end fixedly connected with rockers 15 of fixed strip, 15 one end middle part fixedly connected with driving disc 16 that are close to fixed strip 11 relatively of rocker, 16 outer fixed surface of driving disc is connected with

sun gear

17, 17 outer surface meshing of sun gear is connected with driven

gear

19, 19 inside swing joint of driven gear has bearing 18, 19 outer surface contact of driven gear is connected with

frame gear

20, 20 outside fixedly connected with foreign steamer 21 of frame gear.

Furthermore, the movable shaft 5 is internally provided with a bearing in angular contact, so that the upper support 6 and the lower support 4 are fixed differently after rotating to a certain angle through the bearing at the angular joint in the moving process of the support, the stability between the base 1 and the supporting legs 9 is improved, and the stability of the device in the ground use environments such as sand and soil is improved.

Furthermore, the number of the driven gears 19 and the bearings 18 is three, and the size of each driven gear 19 and the size of each bearing 18 are equal, so that the driven gear 19 can clamp the position of the central gear 17 after the central gear 17 rotates to a certain angle, and the device is prevented from being naturally reset under the condition of non-artificial rotation.

Further, be provided with the lug on the fixed strip 11, for carrying out the chucking through the lug to the surveying instrument body, prevent that the surveying instrument body from taking place to empty in the in-process of placing in connecting plate 14, the condition that falls takes place.

Further, the position department that surveying instrument body 23 and fixed strip 11 correspond is provided with the recess that agrees with mutually with the lug, thereby for having corresponding recess and lug on the surveying instrument body to correspond the chucking that realizes between lug and the draw-in groove, the condition that further prevents that the device from droing under the condition of artificial application of force of non-takes place.

Further, the quantity of fixed strip 11, foreign steamer 21, bracket 22, rocker 15 is two, and two liang of parallels in position are relative, thereby for improving the stability between surveying instrument body 23 of connecting plate 14 and its upper end through improving the quantity of being connected between fixed strip 11 and surveying instrument body 23.

Further, the number of the pointed fixing feet 12 is four, the four pointed fixing feet are evenly distributed below the base 1, and the stability of the device in a soft sandy soil environment is further realized through the four evenly distributed fixing feet.

Specifically, when the utility model is used, a user manually pulls out the base 1 from the buckling position 7 on the supporting foot 9, slides the ball 8 downwards along the inner groove 10 and manually adjusts the connecting shaft between the upper bracket 6 and the lower bracket 4 to fix the upper bracket 6 and the lower bracket 4 in a one-hundred-eighty degree state under the action of the angular contact bearing, simultaneously rotates the rotating shaft 13 connected between the base 1 and the lower bracket 4 to enable the base 1 to be in a parallel state with the ground and firmly fix the base 1 in sandy soil through the pointed fixing foot 12, places the surveying instrument body 23 on the upper end of the connecting plate 14, drives the central gear 17 to rotate through the manual rotation rocker 15 and drives the driven gear 19 to rotate in reverse direction to drive the outer wheel 21 to rotate so as to realize the clamping between the fixing strip 11 and the surveying instrument body 23, and vice versa, the rocker 15 is rotated reversely to drive the fixing strip 11 to be separated from the surveying instrument body 23.

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 utility model provides a foldable support is used in foldable survey and drawing, includes base (1), buckle (2) and sun gear (17), its characterized in that: the improved structure is characterized in that tip fixing feet (12) are fixedly connected to the lower portion of the base (1), a guide rail (3) is arranged above the base (1), a rotating shaft (13) is fixedly connected to the middle portion of the guide rail (3), a lower support (4) is movably connected to the upper end of the rotating shaft (13), a movable shaft (5) is fixedly connected to the upper portion of the lower support (4), an upper support (6) is connected to the middle portion of the movable shaft (5) in a penetrating manner, a ball (8) is movably connected to the upper end of the upper support (6), supporting legs (9) are connected to the upper end of the guide rail (3) in a contacting manner, an inner groove (10) is formed in the supporting legs (9), the outer surface of the inner groove (10) is connected to the outer surface of the ball (8) in a contacting manner, buckling positions (7) are formed in, the upper end of the connecting plate (14) is connected with a surveying instrument body (23) in a contact way, the bottom end of the connecting plate (14) is fixedly connected with a bracket (22), the middle part of the upper end of the bracket (22) is connected with a fixing strip (11) in a penetrating way, one end of the fixing strip (11) is connected with the side surface of the surveying instrument body (23) in a contact way, the other end of the fixed strip (11) is fixedly connected with a rocker (15), the middle part of one end of the rocker (15) relatively close to the fixed strip (11) is fixedly connected with a transmission disc (16), the outer surface of the transmission disc (16) is fixedly connected with a central gear (17), the outer surface of the central gear (17) is connected with a driven gear (19) in a meshing way, the inner part of the driven gear (19) is movably connected with a bearing (18), the outer surface of the driven gear (19) is connected with an outer frame gear (20) in a contact manner, and the outer part of the outer frame gear (20) is fixedly connected with an outer wheel (21).

2. A foldable support for surveying and mapping according to claim 1, characterized in that the movable shaft (5) has angular contact bearings inside.

3. The folding stand for surveying and mapping of claim 1, wherein the number of the driven gears (19) and the bearings (18) is three, and the driven gears (19) and the bearings (18) are equal in size.

4. The folding stand for surveying and mapping of claim 1, wherein the fixing strip (11) is provided with a projection.

5. The foldable stand for mapping according to claim 4, wherein the position of the mapper body (23) corresponding to the fixing strip (11) is provided with a groove matching with the projection.

6. The folding stand for surveying and mapping of claim 1, wherein the number of the fixing strips (11), the outer wheel (21), the bracket (22) and the rocking bar (15) is two, and the positions are two by two parallel and opposite.

7. The folding stand for surveying and mapping according to claim 1, characterized in that the number of said pointed fixing feet (12) is four, evenly distributed under the base (1).