CN2499796Y

CN2499796Y - Lens type compass

Info

Publication number: CN2499796Y
Application number: CN 01266138
Authority: CN
Inventors: 张燋虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-10-29
Filing date: 2001-10-29
Publication date: 2002-07-10
Anticipated expiration: 2011-10-29

Abstract

A lens type north arrow comprises a base, a north arrow fixedly provided on the base, a hinge in pivot provided on one end of the base, an aiming pointer in pivot provided on the other end of the base, and a lens with enlargement ratio provided on the aiming pointer, wherein a luminophor and a battery are provided on the aiming pointer with the luminophor illuminating towards the north arrow component and the battery being as the power supply for the luminophor.

Description

Lentoid type compass

Technical field

The utility model is relevant with north arrow, particularly about a kind of Lentoid type compass with result of use at preferable night.

Background technology

No. 6145209 patents of a kind of known Lentoid type compass such as the U.S. are disclosed, and it has an aiming observes, and this aiming is observed and planted a biconvex lens; This aiming is observed and is provided with one and observes and look seam, can cooperate and cover another set aiming seam formation one boresight on this north arrow, for the target of user with the desire measurement of eyes aiming institute, behind the aligning, user's sight is looked through this biconvex lens again, reads the azimuth scale on this north arrow index dial that is amplified by this biconvex lens.

One lighting device is also disclosed in this case, by a luminophor (as the LED lamp), a rectangular shape battery of being lost, several conducting connection member are formed and a switch key is formed, and be arranged at the base of this Lentoid type compass and lock between a plate-like battery tray of this base bottom, at last, close this base bottom with a battery tray cap seal; Thus, can make this luminophor projection source from the bottom of this north arrow the index dial to this north arrow, for the scale of user on this index dial of interpretation at night.

Yet the shortcoming of said lens formula north arrow is:

One, forms member too in assorted many, cause the raising of difficulty in the assembling and manufacturing cost, failure rate.

Two, because the battery tray and the space between base of Lentoid type compass are narrow and small, make the light source of luminous lamp body of this lighting device because of the projection distance deficiency, and only form among a small circle a circular light spot when causing this light source projects on this index dial, make the illuminating effect of this luminous lamp body not good.

Three,,, so, and be unfavorable for that the user is in the orientation data that reads on this index dial so its light source only is incident upon the fixed area on this index dial because this luminous lamp body is the below that is fixedly set in this this index dial.

The utility model content

Fundamental purpose of the present utility model is to provide a kind of Lentoid type compass that uses preferable night really that has.

Another purpose of the present utility model be to provide a kind of form member less and make, assembly cost and the lower Lentoid type compass of failure rate.

For achieving the above object, a kind of Lentoid type compass of providing of the utility model includes a base, can make one first end and one second end; One north arrow assembly is located on this base; One loam cake is hubbed on first end of this base; One aiming is observed, and be hubbed on second end of this base, and this aiming is observed and also offered a sight vane; One has the lens of enlargement ratio, is located on the sight vane that this aiming observes;

This aiming is observed and is provided with a luminophor and an electric battery; The luminous direction of illumination of this luminophor is towards this north arrow assembly, and this electric battery is in order to supply this luminophor power.

Wherein this aiming is observed and is also had an accommodation seat, is formed with a battery room and a luminous lamp body room on this accommodation seat, in order to ccontaining this electric battery and this luminous lamp body.

Wherein also be formed with an opening on this accommodation seat, and this battery room and luminous lamp body room are communicated with this opening; In addition, this aiming is observed also has a flap, is incorporated on this opening.

Wherein this opening is positioned at the top of this accommodation seat, and communicates with the top of this battery tray room and this luminous lamp body room respectively.

Wherein this luminophor room forms one and wears mouth on the bottom surface of this accommodation seat, and the light emission direction of this luminous lamp body is worn mouth towards this.

Wherein this battery pack contains two back-shaped lithium batteries, and is arranged in this battery room and goes to upper and lower superimposed series connection.

Wherein this luminous lamp body is a LED lamp.

Wherein this flap has a button and wears mouth, and in conjunction with a button in wherein; This battery pack contains two figure lithium batteries, and is arranged in this battery room and goes to upper and lower superimposed series connection; Luminous lamp body is a LED lamp, its two power input, and an end connects the negative pole of this electric battery, and an end connects the button of this battery anode top.

For more clearly understanding the utility model, lift the utility model one preferred embodiment, and conjunction with figs. elaborates.

Description of drawings

Fig. 1 is the outside drawing of the utility model one preferred embodiment;

Fig. 2 is a composition component decomposition map embodiment illustrated in fig. 1;

Fig. 3 is a top view embodiment illustrated in fig. 1;

Fig. 4 is the cut-open view along the 4-4 line of Fig. 3;

Fig. 5-Fig. 6 is that composition member embodiment illustrated in fig. 1 uses synoptic diagram;

Fig. 7 is a use synoptic diagram embodiment illustrated in fig. 1.

Embodiment

See also Fig. 1-Fig. 4, the Lentoid type compass 1 of the utility model one preferred embodiment is to include:

One base 10, its inner formation one accommodation space 11, and its end face forms this accommodation space 11 of an open communication; This base 10 can be defined one first end and a second opposed end, and this first end place is formed with the first pivot seat 12, and this second end place then is formed with one second pivot seat 13;

One north arrow 20 has a housing 21, an index dial 22, a circlets 23 anti-planar lenss 24 and forms.Wherein, this housing 21 by a disc pedestal 211, and a circular transparent cover body 212 butt joints form, and planted a thimble 213 on the center of this pedestal 211.This index dial 22 is made up of a disc 221, a magnetic part 222, a pearl seat 223 and a pearl body 224; Establish orientation degree and sign along this disc 221 peripheries seal, and the center of this disc 221 is provided with a containing hole 225; This magnetic part 222 is strip, and its middle position also offers a perforation 226, and this magnetic part 222 is attached on the bottom surface of this disc 221, and its perforation 226 and the containing hole 225 of this disc 221 are positioned on the line of the same center of circle; This pearl seat 223 is arranged in this containing hole 225, this perforation 226 and is incorporated on this disc 221, and it has a perforation 227 that runs through Qi Ding, the end; These pearl body 224 plugs are located in the perforation 227 of this pearl seat 223; This index dial 22 is arranged in this housing 21, this thimble 213 is penetrated from perforation 227 belows of this pearl seat 223 in this perforation 227 and hold this pearl body 224, and this index dial 22 can freely be rotated on this thimble 213 because of holding of this thimble 213, because of the effect of this magnetic part 222, and make this index dial 21 can show the orientation state of the earth and keep with the magnetic field of the earth.In addition, also be filled with usefulness in this housing 21 so that the liquid that this index dial 22 is not easy to rock.This circlets 23 is incorporated into all side upper edges of this housing 21, and this planar lens 24 then is incorporated on this circlets.

One loam cake 30 generally is the dome shape; It has a pivot end 31, and be hubbed on the first pivot seat 12 of this base 10 by a pivot 40 with this pivot end 31, by so that this loam cake 30 can be on this base 10, be covered on (seeing also Fig. 5) on the end face of this base 10 or from the swing of these base 10 end faces (seeing also Fig. 6); Other end inwall with respect to its pivot end 31 on this loam cake 30 is provided with a slot 32, and these loam cake 30 middle positions are provided with an aiming seam 33.

One aiming observes 50, it has a pivot end 51, a bottom and a top, and be hubbed on the second pivot seat of this base 10 13 with this pivot end 51, so that it can be in the pivot pendulum of doing on this base 10 between a primary importance and a second place, wherein, this primary importance is meant that this aiming observes 50 bottom and amplexiform position (seeing also Fig. 5) on the top of this base 10, and this second place is meant that then this aiming observes 50 and be the position (seeing also Fig. 6) of 90 degree angles approximately with this base 10.This aiming is observed and is formed with a circular open 52, that runs through Qi Ding, bottom on 50 and observes and look the trip 54 of seam 53 and one usefulness for draw-in groove 32 engaging of this loam cake 30 in addition.

One has the biconvex lens 60 of enlargement ratio, is incorporated into this aiming and observes on 50 the opening 52.

Of the present utility model being characterised in that:

This aiming is observed also has an accommodation seat 55 and a flap 56 on 50.Be formed with a battery room 551, a luminophor room 552 and an opening on this accommodation seat 55; This opening is positioned at the top of this accommodation seat 551, and the top of this battery room 551 and luminophor room 552 then is communicated with this opening, and the bottom of this luminophor room 552 more forms one and wears mouthfuls 553 on the bottom surface of this accommodation seat 55.This flap 56 is incorporated on the opening of this accommodation seat 55, and it has a button and wears mouthfuls 561, and in conjunction with a button 57 in wherein.

This Lentoid type compass 1 also includes an electric battery 70 and a luminous lamp body 80, and this electric battery 70 includes two circular lithium batteries 71, and is arranged in this battery and holds and stop up the upper and lower superimposed series connection that is in 551; This luminous lamp body 80 is a LED lamp, be arranged in this luminophor room 552, make its light emission direction court, wear mouth 553 to this, its two power input, one negative pole end 81 connects the negative pole of this

electric battery

70, and 82 of positive terminals are positioned at the anodal top of this electric battery 70, and this button 57 of contact, to push this button 57, this electric battery 70 and luminous lamp body 80 are connected, and made the power supply of nuclear battery group 70 be supplied to this luminous lamp body 80, and this luminous lamp body 80 of order is shinny.

More than, be the introduction of composition member of Lentoid type compass 1 of the utility model one preferred embodiment and the introduction of bonding state; Then, it is as follows to introduce the use-pattern of this Lentoid type compass 1:

At first, this Lentoid type compass 1 is collapse state shown in Figure 4 when not using, and wherein, this aiming is observed 50 and is positioned at above-mentioned primary importance, that is, this aiming is observed 50 bottom and amplexiformed on the top of this base 10; And this loam cake 30 is covered on the top of this base 10, and its draw-in groove 32 is sticked in this aiming and observes on 50 the trip 54, observes 50 with top and this aiming of accommodating this base 10, makes whole Lentoid type compass 1 form a state that folds.

When desire is used, earlier this loam cake 30 is lifted off this base 10 end faces, make itself and this base 10 form the angle (as shown in Figure 5) of about 90 degree, again this aiming is observed 50 and lift off this base 10 end faces, and make itself and this base 10 be suitable angle (as shown in Figure 7).This aiming is observed 50 near a glances of users, this is observed look seam 53 and be positioned at this appropriate position, dead ahead; Look to observe with this eye vision and look seam 53, the aiming of this loam cake 30 seam 33 and line of vision one object through this, look through being positioned at this with this again and observe this biconvex lens 60 of looking seam 53 belows, see through this biconvex lens 60 and see index dial 221 to this north arrow 20, and read azimuth scale on this index dial 221, promptly know the orientation angles of this object with respect to the user.Because this a part of use-pattern is identical with general known Lentoid type compass, do not give unnecessary details so do not add at this.

Except above-mentioned general use-pattern, when the characteristics of this Lentoid type compass 1 are to use under the not good state of night or light condition, the user is after the action of finishing the run-home thing and before desiring to read scale data on this index dial 221, can be earlier push this aiming and observe button on 50 with hand, make this luminous lamp body 80 shinny, at this moment, what the light of this luminous lamp body 80 passed just that this aiming observes 50 bottoms wearing mouthfuls 553 and shine on this index dial 221, is beneficial to the user and reads azimuth scale on this index dial 221.The advantage of this lighting system such as following:

One, since this luminous lamp body 80 be located at this aiming and observe on 50, so by adjust this aiming observe 50 with the angle of this base 10, just can adjust the distance of 221 of this luminous lamp body 80 and this index dials, promptly, having of this luminous lamp body 80 than long light projection distance, it shines this scope to scale 221 can be comparatively extensive, thereby illuminating effect is preferable, is beneficial to the azimuth scale that the user reads this index dial 221.

Two, because this luminous lamp body 80 is located at this aiming and is observed on 50,, can adjust this luminous lamp body 80 and shine position on this index dial 221, so illuminating effect is preferable so observe 50 and the angle of this base 10 by this aiming of adjustment.

In addition, the composition member of this Lentoid type compass 1 is less, and structure is comparatively simple, so its manufacturing cost is lower, and failure rate is also lower.

To sum up, the utility model is observed by the aiming of dexterously luminous lamp body being located at Lentoid type compass, and can obtain preferable illuminating effect, and can lower whole member and manufacturing cost and the failure rate formed effectively.

Claims

1. a Lentoid type compass includes a base, can make one first end and one second end; One north arrow assembly is located on this base; One loam cake is hubbed on first end of this base; One aiming is observed, and be hubbed on second end of this base, and this aiming is observed and more offered a sight vane; One has the lens of enlargement ratio, is located on the sight vane that this aiming observes;

It is characterized in that:

2. according to the described Lentoid type compass of claim 1, it is characterized in that wherein this aiming is observed and had an accommodation seat, be formed with a battery room and a luminous lamp body room on this accommodation seat, in order to ccontaining this electric battery and this luminous lamp body.

3. according to the described Lentoid type compass of claim 2, it is characterized in that, wherein also be formed with an opening on this accommodation seat, and this battery room and luminous lamp body room are communicated with this opening; In addition, this aiming is observed also has a flap, is incorporated on this opening.

4. according to the described Lentoid type compass of claim 3, it is characterized in that wherein this opening is positioned at the top of this accommodation seat, and communicate with the top of this battery tray room and this luminous lamp body room respectively.

5. according to the described Lentoid type compass of claim 2, it is characterized in that wherein this luminophor room forms one and wears mouth on the bottom surface of this accommodation seat, and the light emission direction of this luminous lamp body is worn mouth towards this.

6. according to the described Lentoid type compass of claim 2, it is characterized in that wherein this battery pack contains two back-shaped lithium batteries, and be arranged in this battery room and go to upper and lower superimposed series connection.

7. according to the described Lentoid type compass of claim 2, it is characterized in that wherein this luminous lamp body is a LED light lamp.

8. according to the described Lentoid type compass of claim 5, it is characterized in that wherein this luminous lamp body is a LED light lamp.

9. according to the described Lentoid type compass of claim 3, it is characterized in that wherein this flap has a button and wears mouth, and in conjunction with a button in wherein; Two power inputs of luminous lamp body, the one end connects the negative pole of this electric battery, and an end then is positioned at the anodal top of this electric battery, and this button of contact.