CN211283270U

CN211283270U - Portable map rolling protection device for directional cross country

Info

Publication number: CN211283270U
Application number: CN201920315261.0U
Authority: CN
Inventors: 邵永祥
Original assignee: Hunan Agricultural University
Current assignee: Hunan Agricultural University
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2020-08-18
Anticipated expiration: 2029-03-07

Abstract

The utility model discloses a directional cross-country is with portable map rolling protection device relates to map coiling mechanism technical field, this directional cross-country is with portable map rolling protection device, including map body and drum, the bottom of drum inner wall is seted up flutedly, the bottom swing joint of the bottom of recess inner wall and pivot, one side fixed connection of the surface of pivot and wind spring, the opposite side of wind spring and the side fixed connection of recess inner wall, the spacing groove has been seted up to the bottom of pivot, the inner wall of spacing groove and the surface swing joint of movable rod, the top of movable rod and the top of spacing inslot wall respectively with the bottom and the top fixed connection of spring. The utility model discloses a set up drum, pivot, movable rod, gear and fixture block, solved the map that present contestant used and can appear the crease after folding many times, the map that leads to crease department is fuzzy, influences the problem of using.

Description

Portable map rolling protection device for directional cross country

Technical Field

The utility model relates to a map coiling mechanism technical field specifically is a directional cross country is with portable map rolling protection device.

Background

The oriented cross country is a novel field activity mode, a competitor visits each point mark indicated on a map by using the map and a compass to win the point mark in the shortest time, and the oriented cross country is a field activity mode, so that the competitor needs to carry a backpack to store the map, the compass and necessary competition products, fold the map and place the map in the backpack, and take the map out of the backpack when the map needs to be used and spread the map for use.

At present, when a competitor participates in directional cross-country sports, the competitor needs to carry a backpack to store a map, a compass and necessities for competition, the map is folded and placed in the backpack, the competitor needs to take the map out of the backpack when needing to use the map, the map is spread out for use, and the map is folded for many times, so that folds can appear on the map, the map at the folds is blurred, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a directional cross-country is with portable map rolling protection device has solved the map that present competitor used and can appear the crease after folding many times, leads to the map of crease department fuzzy, influences the problem of use.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a directional cross-country is with portable map rolling protection device, includes map body and drum, the bottom of drum inner wall is seted up flutedly, the bottom of recess inner wall and the bottom swing joint of pivot, the surface of pivot and one side fixed connection of wind spring, the opposite side of wind spring and the side fixed connection of recess inner wall, the spacing groove has been seted up to the bottom of pivot, the inner wall of spacing groove and the surface swing joint of movable rod, the top of movable rod and the top of spacing inslot wall respectively with the bottom and the top fixed connection of spring, the fixed cover of surface of movable rod has connect the gear, the circular slot has been seted up to the bottom of recess inner wall, the inner wall of circular slot and the surface swing joint of gear, logical groove inner wall has been seted up to the bottom of circular slot inner wall, the inner wall that leads to the groove and the surface swing joint of.

The side surface of the inner wall of the circular groove is provided with a guide groove, the guide groove is positioned on the left side of the gear, the inner wall of the guide groove is movably connected with the surface of the square rod, the right end of the square rod is inserted between adjacent teeth of the gear, the left end of the square rod and the left side of the inner wall of the guide groove are respectively fixedly connected with the right end and the left end of the pressure spring, the side surface of the rotating shaft is provided with a clamping groove, the clamping groove is positioned above the limiting groove, the inner wall of the clamping groove is movably connected with the surface of the clamping block, the map body is wound on the side surface of the rotating shaft, one side of the map body is fixedly connected with the right side of the clamping block, the other side of the map body penetrates through the circular cylinder and is fixedly connected with the side surface of the pull rod, the pull rod is positioned on the right side of the circular cylinder, the top of the circular cylinder, the inner wall of the thread groove is in threaded connection with the surface of the external thread pipe, and the bottom of the cylinder cover is movably connected with the top of the rotating shaft.

Preferably, one side of the square rod, which is close to the gear, is a curved surface, and the shape of the square rod is matched with that of the gear.

Preferably, the movable rod includes montant and slider, the top of slider and the bottom fixed connection of montant, spring fixed connection is at the top of montant, the gear activity cup joints the side surface at the montant, the surface of slider and the inner wall swing joint who leads to the groove.

Preferably, the thread groove is trumpet-shaped, and the shape of the external thread pipe is matched with the shape of the thread groove.

Preferably, the clamping block is in an isosceles trapezoid shape, and the shape of the clamping groove is matched with that of the clamping block.

(III) advantageous effects

The utility model provides a directional cross-country is with portable map rolling protection device possesses following beneficial effect:

the utility model discloses a set up drum, pivot, movable rod, gear and fixture block, when using, pulling the pull rod, the pull rod drives the pivot rotation through the fixture block on the map body, the map body stretches out from the drum, can observe the map body, after using, press the movable rod, the gear separates with the square pole, the pivot is reverse rotation under the spring action of coil spring, the map body twines on the surface of pivot, roll up the map body in the drum, when using the map body, need not to spread out the folding map body, only need to pull the pull rod, it can use the map body to pull out the map body from the drum, need not to fold the map body after using, only need to press the movable rod, the pivot is reverse rotation under the spring action, roll up the map body in the drum, put into the knapsack with the drum again can, the effect of preventing the map body from appearing has been reached, the problem of the map that present competitor used can appear the crease after folding many times, lead to the map of crease department fuzzy, influence the use is solved.

Drawings

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

FIG. 2 is a top sectional view of the position of the fixture block of the present invention;

fig. 3 is a top cross-sectional view of the present invention at a coil spring position;

fig. 4 is a top cross-sectional view of the gear position of the present invention.

In the figure: the map comprises a map body 1, a cylinder 2, a groove 3, a rotating shaft 4, a coil spring 5, a limiting groove 6, a movable rod 7, a vertical rod 701, a sliding block 702, a spring 8, a gear 9, a circular groove 10, a through groove 11, a guide groove 12, a square rod 13, a pressure spring 14, a clamping groove 15, a clamping block 16, a pull rod 17, an external threaded pipe 18, a cylinder cover 19 and a threaded groove 20.

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.

As shown in fig. 1-4, the utility model provides a technical solution: a portable map rolling protection device for directional cross country comprises a map body 1 and a cylinder 2, wherein the cylinder 2 can be directly placed in a backpack to improve the portability of the cylinder 2, the map body 1 is rolled in the cylinder 2, the cylinder 2 provides a protection effect for the map body 1, the bottom of the inner wall of the cylinder 2 is provided with a groove 3, the central axes of the groove 3, a circular groove 10, a thread groove 20 and an external thread pipe 18 are coincided with the central axis of a rotating shaft 4, the bottom of the inner wall of the groove 3 is movably connected with the bottom of the rotating shaft 4, the surface of the rotating shaft 4 is fixedly connected with one side of a coil spring 5, the other side of the coil spring 5 is fixedly connected with the side of the inner wall of the groove 3, the bottom of the rotating shaft 4 is provided with a limit groove 6, spline grooves can be formed in the inner wall of the limit groove 6 and the side surface of a vertical rod 701 on a movable rod 7, also can not block the up-and-down motion of movable rod 7, the inner wall of spacing groove 6 and the surperficial swing joint of movable rod 7, the top of movable rod 7 and the top of 6 inner walls of spacing groove respectively with the bottom and the top fixed connection of spring 8, the fixed surface of movable rod 7 has cup jointed gear 9, circular slot 10 has been seted up to the bottom of recess 3 inner walls, the inner wall of circular slot 10 and the surperficial swing joint of gear 9, logical groove 11 has been seted up to the bottom of circular slot 10 inner wall, the inner wall that leads to groove 11 and the surperficial swing joint of movable rod 7.

The side surface of the inner wall of the circular groove 10 is provided with a guide groove 12, the guide groove 12 is positioned on the left side of the gear 9, the inner wall of the guide groove 12 is movably connected with the surface of a square rod 13, the right end of the square rod 13 is inserted between adjacent teeth of the gear 9, the left end of the square rod 13 and the left side of the inner wall of the guide groove 12 are respectively fixedly connected with the right end and the left end of a pressure spring 14, the side surface of a rotating shaft 4 is provided with a clamping groove 15, the clamping groove 15 is positioned above a limiting groove 6, the inner wall of the clamping groove 15 is movably connected with the surface of a clamping block 16, the map body 1 is wound on the side surface of the rotating shaft 4, one side of the map body 1 is fixedly connected with the right side of the clamping block 16, the other side of the map body 1 penetrates through the cylinder 2 and is fixedly connected with the side surface of a pull rod 17, the pull rod 17 is positioned on the right side of the cylinder, the inner wall of the thread groove 20 is in threaded connection with the surface of the external thread pipe 18, and the bottom of the cylinder cover 19 is movably connected with the top of the rotating shaft 4.

As a technical optimization scheme of the utility model, one side that square bar 13 is close to gear 9 is the curved surface, and the shape of square bar 13 and gear 9's shape looks adaptation, and the orientation and the gear 9 rotation opposite direction of curved surface on the square bar 13 prevent that gear 9 from rotating to make and being blocked, make the unable antiport of gear 9.

As the utility model discloses a technical optimization scheme, movable rod 7 includes montant 701 and slider 702, the top of slider 702 and montant 701's bottom fixed connection, 8 fixed connection of spring are at montant 701's top, 9 activities of gear cup joint the side surface at montant 701, the surface of slider 702 and the inner wall swing joint who leads to groove 11 press the slider 702 on the movable rod 7, make gear 9 and the separation of square bar 13, pivot 4 is with 1 rolling of map body in drum 2 under 5 spring effects of wind spring.

As a technical optimization scheme of the utility model, thread groove 20 is loudspeaker form, and the shape looks adaptation of the shape of external screw thread pipe 18 and thread groove 20 makes it more convenient that external screw thread pipe 18 inserts in the thread groove 20.

As the utility model discloses a technical optimization scheme, fixture block 16 is isosceles trapezoid, the shape of draw-in groove 15 and fixture block 16's shape looks adaptation, and fixture block 16's overlook cross-sectional view is isosceles trapezoid, and fixture block 16 blocks in draw-in groove 15, prevents that map body 1 and pivot 4 from separating.

When the map body 1 is used, the pull rod 17 is pulled, the clamping block 16 on one side of the map body 1 is clamped in the clamping groove 15, the map body 1 is prevented from being separated from the rotating shaft 4, when the pull rod 17 is pulled, the rotating shaft 4 rotates by taking the central axis of the rotating shaft 4 as the center of circle, the coil spring 5 is in a compressed state at the moment, the map body 1 is pulled out of the cylinder 2, the rotating shaft 4 drives the movable rod 7 to rotate when rotating, the movable rod 7 drives the gear 9 to rotate, teeth on the gear 9 extrude the curved surface of the square rod 13, the square rod 13 extrudes the pressure spring 14, the square rod 13 is inserted between adjacent teeth of the gear 9 under the elasticity of the pressure spring 14, the gear 9 is prevented from rotating reversely, the map body 1 can be used by pulling the map body 1 out of the cylinder 2, after the map body is used, the sliding block 702 on the movable rod 7 is pressed, the sliding block 702 moves along the inner wall of the through, the vertical rod 701 extrudes the spring 8, when the gear 9 is separated from the square rod 13, the rotating shaft 4 reversely rotates under the action of the elastic force of the coil spring 5, the map body 1 is wound on the rotating shaft 4, the map body 1 is wound in the cylinder 2, when the surface of the pull rod 17 is contacted with the surface of the cylinder 2, the rotating shaft 4 stops reversely rotating, the movable rod 7 is loosened, the square rod 13 is inserted between adjacent teeth of the gear 9 to prevent the gear 9 from reversely rotating, the direction of the upper curved surface of the square rod 13 is opposite to the rotating direction of the gear 9, so that the gear 9 can only forwardly rotate but can not reversely rotate, when the map body 1 needs to be replaced, the cylinder cover 19 is rotated, the cylinder cover 19 is in threaded connection with the external threaded pipe 18 through the threaded groove 20, the cylinder cover 19 is rotated to be separated from the external threaded pipe 18, the map body 1 is pulled upwards to separate the fixture block 16 from the fixture groove 15, a new fixture block 16 on the map body 1, winding map body 1 on pivot 4, place pull rod 17 in the drum 2 outside, cover 19, screw up cover 19 and can accomplish the change of map body 1, when using map body 1, need not to spread out folding map body 1, only need stimulate pull rod 17, pull out map body 1 from drum 2 and can use map body 1, need not to fold map body 1 after using the completion, only need press movable rod 7, pivot 4 is reverse rotation under the spring action of wind spring 5, with map body 1 rolling in drum 2, put into the knapsack with drum 2 again can, reached and prevented that the crease's from appearing in map body 1 effect, crease can not appear in map body 1, thereby can not influence the use of map body 1.

To sum up, the utility model discloses a set up drum 2, pivot 4, movable rod 7, gear 9 and fixture block 16, solved the map that present competitor used and can appear the crease after folding many times, the map that leads to crease department is fuzzy, influences the problem of using.

It should be noted that, in this document, terms such as "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 directional cross country is with portable map rolling protection device which characterized in that: the map comprises a map body (1) and a cylinder (2), wherein a groove (3) is formed in the bottom of the inner wall of the cylinder (2), the bottom of the inner wall of the groove (3) is movably connected with the bottom of a rotating shaft (4), the surface of the rotating shaft (4) is fixedly connected with one side of a coil spring (5), the other side of the coil spring (5) is fixedly connected with the side surface of the inner wall of the groove (3), a limiting groove (6) is formed in the bottom of the rotating shaft (4), the inner wall of the limiting groove (6) is movably connected with the surface of a movable rod (7), the top of the movable rod (7) and the top of the inner wall of the limiting groove (6) are respectively fixedly connected with the bottom and the top of a spring (8), a gear (9) is sleeved on the surface of the movable rod (7), a circular groove (10) is formed in the bottom of the inner wall of the groove (3), and the inner wall of the circular groove (, a through groove (11) is formed in the bottom of the inner wall of the circular groove (10), and the inner wall of the through groove (11) is movably connected with the surface of the movable rod (7);

the side of the inner wall of the circular groove (10) is provided with a guide groove (12), the guide groove (12) is positioned on the left side of the gear (9), the inner wall of the guide groove (12) is movably connected with the surface of a square rod (13), the right end of the square rod (13) is inserted between adjacent teeth of the gear (9), the left end of the square rod (13) and the left side of the inner wall of the guide groove (12) are fixedly connected with the right end and the left end of a pressure spring (14) respectively, the side surface of the rotating shaft (4) is provided with a clamping groove (15), the clamping groove (15) is positioned above a limiting groove (6), the inner wall of the clamping groove (15) is movably connected with the surface of a clamping block (16), the map body (1) is wound on the side surface of the rotating shaft (4), one side of the map body (1) is fixedly connected with the right side of the clamping block (16), the other side of the map body (1) penetrates through the cylinder (2) and is fixedly connected, pull rod (17) are located the right side of drum (2), the top fixedly connected with external screw thread pipe (18) of drum (2), the top of drum (2) and the bottom swing joint of cover (19), thread groove (20) have been seted up to the bottom of cover (19), the inner wall of thread groove (20) and the surface threaded connection of external screw thread pipe (18), the bottom of cover (19) and the top swing joint of pivot (4).

2. The portable map rolling protection device for oriented cross country according to claim 1, characterized in that: one side of the square rod (13) close to the gear (9) is a curved surface, and the shape of the square rod (13) is matched with that of the gear (9).

3. The portable map rolling protection device for oriented cross country according to claim 1, characterized in that: the adjustable slide bar (7) comprises a vertical rod (701) and a sliding block (702), the top of the sliding block (702) is fixedly connected with the bottom of the vertical rod (701), a spring (8) is fixedly connected with the top of the vertical rod (701), a gear (9) is movably sleeved on the side surface of the vertical rod (701), and the surface of the sliding block (702) is movably connected with the inner wall of the through groove (11).

4. The portable map rolling protection device for oriented cross country according to claim 1, characterized in that: the thread groove (20) is trumpet-shaped, and the shape of the external thread pipe (18) is matched with the shape of the thread groove (20).

5. The portable map rolling protection device for oriented cross country according to claim 1, characterized in that: the clamping block (16) is in an isosceles trapezoid shape, and the shape of the clamping groove (15) is matched with that of the clamping block (16).