CN201945317U

CN201945317U - North arrow device

Info

Publication number: CN201945317U
Application number: CN2010206815323U
Authority: CN
Inventors: 张伸玮
Original assignee: CHUAN CHING MECHANICAL INDUSTRIAL Co Ltd
Current assignee: CHUAN CHING MECHANICAL INDUSTRIAL Co Ltd
Priority date: 2010-12-27
Filing date: 2010-12-27
Publication date: 2011-08-24
Anticipated expiration: 2020-12-27

Abstract

The utility model relates to a north arrow device comprising a base, a top cover, a north arrow unit, a mirror and a buckle locking unit, wherein the base comprises a body; the top cover comprises a cover body which can be mutually pivoted with the base and can be opened or closed relatively to the base; the north arrow unit comprises a north arrow fixedly mounted on the body; the mirror is fixedly mounted in the cover body; and the buckle locking unit is arranged between the top cover and the base so that the top cover and the base are mutually locked to protect the north arrow. A user can dress up through the mirror, and also can use the mirror as a reflector to enhance rescue probability; therefore, the north arrow device has multiple functions, and can meet use requirements.

Description

The north arrow device

Technical field

The utility model relates to a kind of instrument of measuring the orientation, particularly relates to a kind of north arrow device.

Background technology

General north arrow only has the function of guiding the orientation; but meet accident in the open air when needing emergency; if north arrow has mirror to send distress signals as catoptron; can improve the probability of being rescued; there is the shortcoming that can't satisfy this user demand in existing north arrow; in addition, general north arrow does not have protective device, very easily by crushing, break.

Summary of the invention

The purpose of this utility model is to provide a kind of can protect north arrow, and being assembled with mirror can increase functions of use, can meet the north arrow device of user demand.

The utility model north arrow device comprises a base, a top cover, a north arrow unit, a mirror and a padlock unit, this base comprises a body, block in the middle of two side blocks of body formed and space and from this respectively, and be molded over two pivot posts between described side block and this centre block respectively.

This top cover comprise one with the lid of the mutual pivot of this base knot, corresponding described two pivot posts are from two pivot roped parties of this lid moulding respectively, each pivot roped party has two fixture blocks parallel with described pivot post respectively, and is arranged at two concave arc grooves of the relative inner face of described fixture block respectively.

This north arrow unit comprises that one is mounted on the north arrow of this body.

This mirror is fixed in this lid.

This padlock unit is arranged between this top cover and this base.

North arrow device described in the utility model, the body of this base are distinguished into a flat part and respectively from one first arc portion and one second arc portion of the moulding of the two ends of this flat part, described side block and this centre block are from the first arc portion moulding of this body; The lid of this top cover is distinguished into a flat part and respectively from one first arc portion and one second arc portion of the moulding of the two ends of this flat part, described pivot roped party is from the first arc portion moulding of this lid; This padlock unit comprises a button piece that extends towards first arc portion of this lid from second arc portion of this lid, and corresponding this button piece is arranged at the fixture block of second arc portion of this base.

North arrow device described in the utility model, this base comprises that also one is molded over first bulge loop of the flat part of this body, reach several guide blocks of the inner ring surface that is molded over this first bulge loop respectively, this north arrow has a base ring, and this base ring is installed in this first bulge loop and by described guide block block.

North arrow device described in the utility model, this north arrow also have a groove that is arranged at this base ring; This north arrow unit also comprises a dumb card and an azimuth scale table; This dumb card has one and is sleeved on the outer collar of this north arrow, one from the top of this collar towards the apical margin of center moulding, one is arranged at the graduation apparatus of this apical margin, and corresponding this groove is arranged at the protruding grain of this collar bottom; This azimuth scale epi-position is in this north arrow bottom side.

North arrow device described in the utility model, this base also comprise a hanger from this centre block extension.

The beneficial effects of the utility model are: can protect this north arrow by this top cover and this base; the user can watch arrangement face by this mirror; and this mirror can be used with the raising probability of being rescued as catoptron, make the utility model can meet user demand whereby.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model north arrow device preferred embodiment;

Fig. 2 is the three-dimensional combination figure of this preferred embodiment;

Fig. 3 is the combination side-looking and the partial sectional view of this preferred embodiment, shows the pivot knot state of a pivot roped party and a pivot post;

Fig. 4 is the combination side-looking and the partial sectional view of this preferred embodiment, shows a padlock unit;

Fig. 5 is the use synoptic diagram of this preferred embodiment, shows that a top cover is opening with respect to a base.

Embodiment

Below in conjunction with drawings and Examples the utility model is elaborated.

To shown in Figure 5, the utility model north arrow device comprises a base 10, a top cover 20, a north arrow unit 30, a mirror 40 and a padlock unit 50 as Fig. 1.

This base 10 comprises that one distinguishes the body 11 that a flat part 111 and one first arc portion 112 and one second arc portion 113 are arranged, respectively from 112 moulding of first arc portion and the space of this body 11, block 13 in the middle of parallel two side blocks 12 and, be molded over two pivot posts 14 between described side block 12 and this centre block 13 respectively, one hanger 15 from these centre block 13 extensions, one from second arc portion 113 of this body 11 projection 16 towards these centre block 13 moulding, one is molded over flat part 111 inner faces of this body 11 and first bulge loop 17 between this centre block 13 and this projection 16, be molded over several guide blocks 18 of the inner ring surface of this first bulge loop 17 respectively, and an index part 19 that is arranged on this centre block 13.

Described side block 12 is one-body molded with this centre block 13 and described pivot post 14.

Directional profile is generally triangular in shape at the bottom of the top of described guide block 18.

This index part 19 can be index line or index piece, is the example explanation with the index piece in the present embodiment.

This top cover 20 also can close or open by relative this base 10 with these base 10 mutual pivot knots, this top cover 20 comprises that one distinguishes the lid 21 that a flat part 211 and one first arc portion 212 and one second arc portion 213 are arranged, the perforate 22 that the middle block 13 of one corresponding this base 10 is provided with towards this second arc portion 213 from first arc portion 212 of this lid 21, respectively corresponding described pivot post 14 is from two pivot roped parties 23 of first arc portion, 212 moulding of this lid 21, and second bulge loop 24 that is molded over flat part 211 inner faces of this lid 21.

Each pivot roped party 23 respectively has two fixture blocks 231 parallel with this pivot post 14, and is arranged at two concave arc grooves 232 of the relative inner face of described fixture block 231 respectively.

During assembling, only need described pivot roped party 23 is pressed into towards described pivot post 14, pivot post 14 is entered in the described concave arc groove 232, described fixture block 231 lays respectively at pivot post 14 both sides simultaneously, at this moment, this top cover 20 just can rotate for fulcrum by described pivot post 14, and corresponding this base 10 is opened or closed.

This north arrow unit 30 comprises that one is installed in first bulge loop 17 of this body 11 and by described guide block 18 and stops that fixing north arrow 31, is nested with the dumb card 32 this north arrow 31 outside rotationally, reaches an azimuth scale table 33 that is positioned at these north arrow 31 bottom sides.

This north arrow 31 has the base ring 311 that takes shape in the bottom, and a groove 312 that is arranged at this base ring 311.

This dumb card 32 has a collar 321 that is sleeved on outside this north arrow 31, one from the top of this collar 321 towards the apical margin 322 of center moulding, one is arranged at the graduation apparatus 323 of this apical margin 322, and corresponding this groove 312 is arranged at the protruding grain 324 of these collar 321 bottoms.

This azimuth scale table 33 can separate or directly be printed on this north arrow 31 bottom surfaces with this north arrow 31.

During assembling, earlier this dumb card 32 is nested with outside this north arrow 31, rotating this dumb card 32 then makes this protruding grain 324 enter this groove 312, then the base ring 311 with this north arrow 31 places described guide block 18 tops, force in this north arrow 31 again, just can this base ring 311 be entered in this first bulge loop 17 smoothly by described guide block 18, and obtained the location by described guide block 18 blocks, at this moment, rotating this dumb card 32 just can rotate this north arrow 31 by these protruding grain 324 cooperations with this groove 312, this azimuth scale table 33 also rotates synchronously simultaneously, this index part 19 of arranging in pairs or groups again, map just can be brought into play the function of north arrow.

This mirror 40 is fixed in second bulge loop 24 of this lid 20.

This padlock unit 50 comprises a L shaped button piece 51 that extends towards this first arc portion 212 from second arc portion 213 of this lid 21, one corresponding this button piece 51 is arranged at the storage tank 52 that second arc portion, 113 usefulness of this body 11 enter for this button piece 51, and corresponding this button piece 51 is arranged at second arc portion 113 of this base 10 and is positioned at this storage tank 52 and can detains the fixture block 53 of piece 51 mutual holdings or disengaging with this.

Can detain piece 51 and make this top cover 20 and these base 10 mutual padlocks cooperating of this fixture block 53 by this; make this top cover 20 be the padlock state of closing with respect to this base 10; simultaneously this north arrow unit 30 is produced the protection effect; open this top cover 20; only need force in this button piece 51 makes it break away from this fixture block 53; just can remove aforementioned padlock, just can open this top cover 20 then, and then can use this north arrow unit 30 or this mirror 40.

By above explanation as can be known, the utility model north arrow device has following beneficial effect:

One, the utility model is except guiding orientation by this compass unit 30, the user can also utilize this mirror 40 to watch arrangement face, this mirror 40 can also be used as speculum when meeting accident, with the raising probability of being rescued, make whereby to the utlity model has multiple use function and can meet user demand.

Two, the utility model can make by this padlock unit 50 that this top cover 20 and this base 10 are closed, padlock; can protect this compass unit 30 and this mirror 40; make this compass unit 30 and this mirror 40 be difficult for by crushing, be damaged, can prolong service life of the present utility model.

Three, two pivot posts 14 of this base 10 of the utility model are directly one-body molded between described side block piece 12 and this centre block 13, be used for entering the concave arc groove 232 of described pivot knot group 23 and sandwiched by described fixture block 231, make this top cover 20 can be relatively this base 10 open or close, compare with the existing design that need utilize latch just can finish the pivot knot, the utility model can reduce component count, saving is assembled man-hour, reduced production costs.

Four, as shown in Figure 2, a lanyard 60 can be worn and be hung on this hanger 15, the user can be hung on the utility model north arrow device on the neck or lies on waistband, the knapsack to be convenient for carrying by this lanyard 60.

Claims

1. a north arrow device comprises a base, a top cover, a north arrow unit, a mirror and a padlock unit, it is characterized in that:

This base comprises a body, block in the middle of two side blocks of body formed and space and from this respectively, and be molded over two pivot posts between described side block and this centre block respectively;

This top cover comprise one with the lid of the mutual pivot of this base knot, corresponding described two pivot posts are from two pivot roped parties of this lid moulding respectively, each pivot roped party has two fixture blocks parallel with described pivot post respectively, and is arranged at two concave arc grooves of the relative inner face of described fixture block respectively;

This north arrow unit comprises that one is mounted on the north arrow of this body;

This mirror is fixed in this lid;

This padlock unit is arranged between this top cover and this base.

2. north arrow device according to claim 1, it is characterized in that: the body of this base is distinguished into a flat part and respectively from one first arc portion and one second arc portion of the moulding of the two ends of this flat part, described side block and this centre block are from the first arc portion moulding of this body; The lid of this top cover is distinguished into a flat part and respectively from one first arc portion and one second arc portion of the moulding of the two ends of this flat part, described pivot roped party is from the first arc portion moulding of this lid; This padlock unit comprises a button piece that extends towards first arc portion of this lid from second arc portion of this lid, and corresponding this button piece is arranged at the fixture block of second arc portion of this base.

3. north arrow device according to claim 2, it is characterized in that: this base comprises that also one is molded over first bulge loop of the flat part of this body, reach several guide blocks of the inner ring surface that is molded over this first bulge loop respectively, this north arrow has a base ring, and this base ring is installed in this first bulge loop and by described guide block block.

4. north arrow device according to claim 3 is characterized in that: this north arrow also has a groove that is arranged at this base ring; This north arrow unit also comprises a dumb card and an azimuth scale table; This dumb card has one and is sleeved on the outer collar of this north arrow, one from the top of this collar towards the apical margin of center moulding, one is arranged at the graduation apparatus of this apical margin, and corresponding this groove is arranged at the protruding grain of this collar bottom; This azimuth scale epi-position is in this north arrow bottom side.

5. according to the described north arrow device of arbitrary claim in the claim 1 to 4, it is characterized in that: this base also comprises a hanger from this centre block extension.