CN212300361U

CN212300361U - Foldable prism centering rod

Info

Publication number: CN212300361U
Application number: CN202020632274.3U
Authority: CN
Inventors: 毛永江; 张召斌
Original assignee: China Coal No 3 Construction Group Co Ltd
Current assignee: China Coal No 3 Construction Group Co Ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-05
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a foldable prism centering rod, including roating seat and fixing base, the support is installed to the upper end of roating seat, and the support inner wall is fixed with the prism main part, be fixed with first fastener on the roating seat, the lower extreme welding of roating seat has the screw rod, the right-hand member of fixing base is fixed with the second fastener, from left to right be fixed with first bracing piece, second bracing piece and third bracing piece in proper order on the fixing base, and all install the fixed axle on first bracing piece, second bracing piece and the third bracing piece, the other threaded connection of part has first nut and second nut about the fixed axle. The utility model discloses a set up roating seat, fixing base, screw rod, first bracing piece, second bracing piece, third bracing piece, first fastener, second fastener, fixed axle, first nut and second nut, solved the difficult height-adjusting of foldable prism centering rod and the consuming power consuming time of direction and the problem that can't be changed when the bracing piece can not dismantle the damage.

Description

Foldable prism centering rod

Technical Field

The utility model relates to a mapping equipment technical field specifically is a foldable prism centering rod.

Background

Surveying usually requires a prism, which is a transparent object surrounded by two intersecting planes that are not parallel to each other, to split or disperse the light beam. The prism is a polyhedron made of transparent materials. The method is widely applied to optical instruments. During surveying and mapping, the prism often needs a centering rod, and the centering rod is used for supporting the prism. At present, the height and the direction of the existing folding prism centering rod are not easy to adjust, time and labor are consumed, the supporting rod cannot be disassembled, the centering rod cannot be replaced when damaged, and the requirement in actual use cannot be met, so that the technology which can be improved is urgently needed on the market, and the equipment is perfected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a foldable prism centering rod to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a foldable prism centering rod, includes roating seat and fixing base, the support is installed to the upper end of roating seat, and the support inner wall is fixed with the prism main part, be fixed with first fastener on the roating seat, the lower extreme welding of roating seat has the screw rod, the right-hand member of fixing base is fixed with the second fastener, from left to right be fixed with first bracing piece, second bracing piece and third bracing piece in proper order on the fixing base, and all install the fixed axle on first bracing piece, second bracing piece and the third bracing piece, the part is threaded connection first nut and second nut respectively about the fixed axle.

Preferably, the rotating seat is provided with a groove and is rotatably connected with the support through the groove.

Preferably, the upper end of the rotating seat is provided with a first threaded hole, and the rotating seat is rotatably connected with the first fastener through the first threaded hole.

Preferably, a third threaded hole is formed in the fixing seat, and the fixing seat is rotatably connected with the screw rod through the third threaded hole.

Preferably, the right end of the fixing seat is provided with a second threaded hole, and the fixing seat is rotatably connected with the second fastener through the second threaded hole.

Preferably, third through holes are formed in the first supporting rod, the second supporting rod and the third supporting rod, and the first supporting rod, the second supporting rod and the third supporting rod are connected with the fixed shaft in a sleeved mode through the third through holes.

Preferably, the fixed shaft penetrates through a first through hole and a second through hole formed in the fixed seat.

(III) advantageous effects

The utility model provides a foldable prism centering rod possesses following beneficial effect:

(1) the utility model solves the problems of difficult height adjustment and time and labor consumption of the folding prism centering rod by arranging the rotary seat, the fixed seat, the screw rod, the first fastener and the second fastener, the fixed seat of the utility model is rotationally connected with the screw rod through the third threaded rotary hole, and the fixed seat is rotationally connected with the second fastener through the second threaded rotary hole, the screw rod is firstly rotated upwards or downwards, so that the screw rod drives the prism main body to move upwards or downwards to a proper height, then the second fastener is rotated leftwards, so that the second fastener is tightly abutted against the screw rod, thereby achieving the effect of easily adjusting the height of the prism main body, the rotary seat of the utility model is rotationally connected with the bracket through the groove, and the rotary seat is rotationally connected with the first fastener through the first threaded rotary hole, the bracket is rotated firstly to a proper direction, then the first fastener is rotated downwards, make first fastener tightly butt support can, reach the effect of easily adjusting prism main part direction.

(2) The utility model discloses a set up the fixing base, first bracing piece, second bracing piece, third bracing piece, fixed axle, first nut and second nut, solved the problem that can't change when the bracing piece of foldable prism centering rod can not dismantle the damage, the utility model discloses the fixed axle runs through first through-hole, second through-hole and third through-hole, and the left and right sides portion of fixed axle threaded connection has first nut and second nut respectively, can outwards rotate first nut and second nut earlier, breaks away from the fixed axle completely until first nut and second nut, then takes the fixed axle out from first bracing piece and fixing base, can dismantle first bracing piece, later can dismantle second bracing piece and third bracing piece according to above-mentioned same method, reaches the effect of quick detachable bracing piece.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the bracket and the screw of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 4 is a schematic view illustrating the connection between the fixing base and the first, second and third support rods of fig. 1 according to the present invention;

FIG. 5 is a schematic view of the fixing base shown in FIG. 4 according to the present invention;

fig. 6 is a schematic view of the connection between the fixed shaft and the first support rod in fig. 4 according to the present invention.

The reference numbers in the figures are: 1. a support; 2. a prism body; 3. a rotating base; 4. a fixed seat; 5. a screw; 6. a first support bar; 7. a second support bar; 8. a third support bar; 9. a groove; 10. a first fastener; 11. a first threaded screw hole; 12. a second threaded screw hole; 13. a third threaded screw hole; 14. a second fastener; 15. a fixed shaft; 16. a first through hole; 17. a second through hole; 18. a first nut; 19. a third through hole; 20. a second nut.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a foldable prism centering rod comprises a rotary seat 3 and a fixed seat 4, wherein a support 1 is installed at the upper end of the rotary seat 3, a prism main body 2 is fixed on the inner wall of the support 1, the support 1 is used for supporting and fixing the prism main body 2 and has the effect of protecting the prism main body 2, a first fastener 10 is fixed on the rotary seat 3, the first fastener 10 is used for fixing the support 1 and preventing the support 1 from rotating, a screw rod 5 is welded at the lower end of the rotary seat 3, the screw rod 5 is used for adjusting the height of the prism main body 2, a second fastener 14 is fixed at the right end of the fixed seat 4, the second fastener 14 is used for fixing the screw rod 5 and preventing the screw rod 5 from moving, a first supporting rod 6, a second supporting rod 7 and a third supporting rod 8 are sequentially fixed on the fixed seat 4 from left to right, the first supporting rod 6, the second supporting rod 7 and the third supporting rod 8 are used for supporting the prism main, the fixing shaft 15 is mounted on the first support rod 6, the second support rod 7 and the third support rod 8, the first nut 18 and the second nut 20 are respectively in threaded connection with the left portion and the right portion of the fixing shaft 15, the first nut 18 and the second nut 20 can be rotated outwards until the first nut 18 and the second nut 20 are completely separated from the fixing shaft 15, and the support rods are convenient to mount and dismount.

Offer flutedly 9 on the roating seat 3, and roating seat 3 rotates through recess 9 and support 1 to be connected, can apply the effort to support 1 for the lower part of support 1 is in the recess 9 internal rotation of roating seat 3, is convenient for adjust the direction of prism main part 2 on support 1.

First screw hole 11 has been seted up to the upper end of roating seat 3, and roating seat 3 rotates through first screw hole 11 and first fastener 10 and is connected, can first fastener 10 of decurrent rotation, until first fastener 10 tightly with support 1 butt, can fixed bolster 1, prevent support 1 swivelling movement.

The third thread screwing hole 13 is formed in the fixing seat 4, the fixing seat 4 is rotatably connected with the screw rod 5 through the third thread screwing hole 13, acting force can be applied to the screw rod 5, the screw rod 5 can be driven to rotate upwards or downwards to move, the prism main body 2 can be driven to move upwards or downwards, and the height of the prism main body 2 can be adjusted conveniently.

Second screw thread hole 12 has been seted up to the right-hand member of fixing base 4, and fixing base 4 rotates through second screw thread hole 12 and second fastener 14 and is connected, can rotate second fastener 14 left, until second fastener 14 tightly with screw rod 5 butt, can fixed screw rod 5, prevent screw rod 5 swivelling movement.

Third through holes 19 have all been seted up on first bracing piece 6, second bracing piece 7 and the third bracing piece 8, and first bracing piece 6, second bracing piece 7 and third bracing piece 8 all cup joint through third through holes 19 and fixed axle 15 and are connected, can apply the effort to first bracing piece 6, second bracing piece 7 and third bracing piece 8, make first bracing piece 6, second bracing piece 7 and third bracing piece 8 draw in or expand, realized folding, portable.

The fixing shaft 15 penetrates through a first through hole 16 and a second through hole 17 formed in the fixing seat 4, and the fixing shaft 15 can penetrate through the first through hole 16 and the second through hole 17 in the fixing seat 4, so that the fixing shaft 15 is convenient to detach.

The working principle is as follows: when the prism support is used, acting force can be applied to the first support rod 6, the second support rod 7 and the third support rod 8, so that the first support rod 6, the second support rod 7 and the third support rod 8 are unfolded, then the lower ends of the first support rod 6, the second support rod 7 and the third support rod 8 are inserted into the ground, after the horizontal placement, the acting force is applied to the screw rod 5, so that the screw rod 5 rotates to drive the prism main body 2 to move upwards or downwards until the prism main body 2 reaches a proper height, then the second fastening piece 14 is rotated leftwards until the left end of the second fastening piece 14 is tightly abutted against the screw rod 5, then the acting force is applied to the support 1, so that the support 1 rotates until the prism main body 2 on the support 1 reaches a proper direction, then the first fastening piece 10 is rotated downwards until the lower end of the first fastening piece 10 is tightly abutted against the support 1, and when the support rods need to be disassembled, the first nut 18 and the second nut 20 may be rotated outwards until the first nut 18 and the second nut 20 are completely separated from the fixing shaft 15, and then the fixing shaft 15 may be drawn out from the fixing base 4 and the corresponding support rod.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foldable prism centering rod, includes roating seat (3) and fixing base (4), its characterized in that: support (1) is installed to the upper end of roating seat (3), and support (1) inner wall is fixed with prism main part (2), be fixed with first fastener (10) on roating seat (3), the lower extreme welding of roating seat (3) has screw rod (5), the right-hand member of fixing base (4) is fixed with second fastener (14), from left to right be fixed with first bracing piece (6), second bracing piece (7) and third bracing piece (8) in proper order on fixing base (4), and all install fixed axle (15) on first bracing piece (6), second bracing piece (7) and third bracing piece (8), the part is threaded connection respectively about fixed axle (15) has first nut (18) and second nut (20).

2. The folding prism centering rod of claim 1, wherein: the rotary seat (3) is provided with a groove (9), and the rotary seat (3) is rotatably connected with the support (1) through the groove (9).

3. The folding prism centering rod of claim 1, wherein: first screw thread revolves hole (11) has been seted up to the upper end of roating seat (3), and roating seat (3) revolve hole (11) through first screw thread and rotate with first fastener (10) and be connected.

4. The folding prism centering rod of claim 1, wherein: and a third threaded rotary hole (13) is formed in the fixing seat (4), and the fixing seat (4) is rotatably connected with the screw rod (5) through the third threaded rotary hole (13).

5. The folding prism centering rod of claim 1, wherein: the right end of the fixing seat (4) is provided with a second threaded hole (12), and the fixing seat (4) is rotatably connected with a second fastener (14) through the second threaded hole (12).

6. The folding prism centering rod of claim 1, wherein: third through holes (19) are formed in the first supporting rod (6), the second supporting rod (7) and the third supporting rod (8), and the first supporting rod (6), the second supporting rod (7) and the third supporting rod (8) are connected with the fixed shaft (15) in a sleeved mode through the third through holes (19).

7. The folding prism centering rod of claim 1, wherein: the fixed shaft (15) penetrates through a first through hole (16) and a second through hole (17) formed in the fixed seat (4).