CN206710697U - A kind of antifog monocular - Google Patents

Abstract

It the utility model is related to telescope apparatus field.Purpose is to provide a kind of antifog monocular that is new, being easy to maintenance.Technical scheme is used by the utility model：A kind of antifog monocular, including lens barrel and the eyepiece and object lens that are arranged on lens barrel both ends, eyepiece include the outer barrel being connected with lens barrel and the fog-proof lens group being arranged in outer barrel.The inner surface of outer barrel is uniformly arranged a plurality of guide groove arranged in a ring, and guide groove extends by the one end of outer barrel away from lens barrel along the length direction of outer barrel.Fog-proof lens group includes inner cylinder and eyeglass, and inner cylinder is engaged with outer barrel and the both ends of inner cylinder set an eyeglass respectively, and vacuum heat-insulation chamber is formed between eyeglass.The outer surface of inner cylinder sets some fins extended along inner cylinder length direction, and fin is corresponded and cooperated with guide groove.The utility model can effectively prevent eyeglass from hazing and can easily change eyeglass, very easy to use.

Description

A kind of antifog monocular

Technical field

Telescope apparatus field is the utility model is related to, more particularly to a kind of antifog monocular.

Background technology

Telescope is a kind of optical instrument that remote object is observed using concavees lens and convex lens.Utilize the light by lens Line reflects or light is reflected by the concave mirror and feeds them into aperture and be converged to picture, then is seen by a magnification eyepiece.Also known as " a thousand li mirror ".First effect of telescope is to amplify the subtended angle of distant objects, human eye is seen the smaller details of angular distance clearly.Hope Remote second effect of mirror is the coarser light beam of the ratio pupil diameter that object lens are collected into, and is sent into human eye, observer is seen Originally the dark weak object that can't see.Telescope mainly includes lens barrel and is arranged on the eyepiece and object lens at lens barrel both ends.

Existing telescope is used when weather is colder, is very easy to haze on the eyeglass of its eyepiece, is influenceed normal Use.Its reason is human eye when close to eyepiece, and the steam carried secretly in hot-air condenses mist formation on eyeglass.Asked for above-mentioned Topic, widespread practice is that eyeglass is heated by heating wire in the prior art, so as to prevent moisture condensation.It is but such to do There is the defects of huge in method, heating wire needs specially to set the electric wire that is connected with power supply and supporting is provided for installation electric heating first The installation cavity of silk, complicated, cost is higher.Meanwhile existing eyepiece, eyepiece must be entirely changed once eyeglass damages, And eyeglass can not be individually replaced, which increases maintenance cost.

The content of the invention

The purpose of this utility model is to provide a kind of antifog monocular that is new, being easy to maintenance.

For achieving the above object, technical scheme is used by the utility model：A kind of antifog monocular, bag Include lens barrel and be arranged on the eyepiece and object lens at lens barrel both ends, the eyepiece includes the outer barrel being connected with lens barrel and is arranged in outer barrel Fog-proof lens group；The inner surface of the outer barrel is uniformly arranged a plurality of guide groove arranged in a ring, and the guide groove is by outer barrel One end away from lens barrel, which is risen along the length direction of outer barrel, to be extended；The fog-proof lens group includes inner cylinder and eyeglass, the inner cylinder with Outer barrel is engaged and the both ends of inner cylinder set an eyeglass respectively, and vacuum heat-insulation chamber is formed between the eyeglass；The inner cylinder Outer surface sets some fins extended along inner cylinder length direction, and the fin is corresponded and cooperated with guide groove；Also Including holding out against component, the component that holds out against includes rubber ring and clamping circle, and the outer barrel sets clamping in one end away from lens barrel Circle, sets rubber ring, the inner cylinder is pushed against by rubber ring and clamping circle in outer barrel between the clamping circle and outer barrel.

Preferably, the one end of the rubber ring away from lens barrel, which stretches out, forms horn-like guard ring.

Preferably, the outer surface of the clamping circle sets anti-skid design.

The beneficial effects of the utility model embody a concentrated reflection of, and can effectively prevent eyeglass from hazing and can easily change mirror Piece, it is very easy to use.Specifically, the utility model at low ambient temperatures in use, first into eyepiece incoming call without a break simultaneously The end of eyepiece is covered with hand.Due to the presence of vacuum heat-insulation chamber, the exchange of heat is substantially absent between two eyeglasses, is led to Crossing the hot gas of incoming call can heat to an outer eyeglass.After a period of time is covered, the rise of outer eyeglass temperature, It can be normally carried out using.During subsequent use, heat exchange that vacuum heat-insulation chamber has completely cut off between two eyeglasses all the time, Outer eyeglass will not be influenceed by lens barrel low temperature substantially, higher temperature is in all the time, so as to prevent the phenomenon that hazes Occur.After a long time use, it is necessary to when changing eyeglass, first clamping circle and rubber ring can be removed, then by fog-proof lens group Take out and changed from outer barrel, enhanced convenience is quick and due to that need not change whole eyepiece, and the cost of maintenance significantly reduces. In addition, it is engaged by guide groove and fin so that installation is more stable.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structural representation of outer barrel；

Fig. 3 is the scheme of installation of fog-proof lens group；

Fig. 4 is the A-A direction views of structure shown in Fig. 3；

Fig. 5 is the structural representation of clamping circle.

Embodiment

A kind of antifog monocular with reference to shown in Fig. 1-5, including lens barrel 1 and the He of eyepiece 2 for being arranged on the both ends of lens barrel 1 Object lens 3, as shown in figure 1, eyepiece 2, on a left side, object lens 3 are on the right side.As with reference to shown in Fig. 2 and 3, the eyepiece 2 includes being connected with lens barrel 1 Outer barrel 4 and 7 groups of fog-proof lens being arranged in outer barrel 4.As shown in Fig. 2 the inner surface of the outer barrel 4 is uniformly arranged and a plurality of is in The guide groove 5 of annular arrangement, the guide groove 5 extend by the one end of outer barrel 4 away from lens barrel 1 along the length direction of outer barrel 4, That is guide groove 5 extends by the edge of the left end of outer barrel 4 along the length direction of outer barrel 4.7 groups of the fog-proof lens include interior Cylinder 6 and eyeglass 7, the inner cylinder 6 is engaged with outer barrel 4 and the both ends of inner cylinder 6 set an eyeglass 7 respectively, the inner cylinder 6 outside Footpath is just suitable with the internal diameter of outer barrel 4, it is ensured that the and can that neither shaken in outer barrel 4 of inner cylinder 6 is smoothly slided.

Vacuum heat-insulation chamber 8 is formed between the eyeglass 7, that is to say, that the region between two eyeglasses 7 is vacuum state.Such as Shown in Fig. 4, the outer surface of the inner cylinder 6 sets some fins 9 extended along the length direction of inner cylinder 6, the fin 9 and guide groove 5 correspond and cooperate.Also include holding out against component, hold out against component and withstand fog-proof lens group, fog-proof lens group is fixed on In outer barrel 4.As shown in figure 3, the component that holds out against includes rubber ring 10 and clamping circle 11, the described one end of outer barrel 4 away from lens barrel 1 Interior setting clamping circle 11, the left end of outer barrel 4 is one end away from lens barrel 1 in figure, therefore clamping circle 11 is set in left end.The card Rubber ring 10 is set between adapter ring 11 and outer barrel 4, that is to say, that the size for being dimensioned slightly smaller than outer barrel 4 of clamping circle 11, clamping circle Elastic band between 11 and outer barrel 4 by rubber ring 10 is tight.In order to increase the frictional force between rubber ring 10 and clamping circle 11, carry The stability of height installation, more preferable way is the outer surface setting anti-skid design 13 as shown in figure 5, the clamping circle 11, described Anti-skid design 13 is namely arranged on the raised or recessed linear structure on the outer peripheral face of clamping circle 11.

For the ease of using, more preferable way, which is that the described one end of rubber ring 10 away from lens barrel 1 stretches out, forms loudspeaker The guard ring 12 of shape, namely left end is overhanging in figure 3 forms guard ring 12.Guard ring 12 and the eye socket of observer closely connect when in use Touch, play a part of shading, while the guard ring 12 of quality of rubber materials is also more comfortable.The inner cylinder 6 passes through rubber ring 10 and card Adapter ring 11 pushes against in outer barrel 4, as shown in figure 3, the left end of inner cylinder 6 is withstood by rubber ring 10 and clamping circle 11, right-hand member passes through convex Rib 9 is resisted against the end of guide groove 5, and certain right-hand member can also be abutted directly against on the end face of lens barrel 1.

The utility model is at low ambient temperatures in use, first into eyepiece 2, incoming call covers without a break and with hand the end of eyepiece 2 Portion.Due to the presence of vacuum heat-insulation chamber 8, the exchange of heat is substantially absent between two eyeglasses 7, is by the hot gas of incoming call An outer eyeglass 7 can be heated, in figure 3, that is, cover the left end of eyepiece 2, incoming call hot gas is to the mirror that keeps left Piece 7 is heated.After a period of time is covered, the rise of the outer temperature of eyeglass 7, after the mist of of short duration condensation also disappears thereon, i.e., It can be normally carried out using.During subsequent use, heat exchange that vacuum heat-insulation chamber 8 has completely cut off between two eyeglasses 7 all the time, Outer eyeglass 7 will not be influenceed by lens barrel low temperature substantially, higher temperature is in all the time, so as to prevent the phenomenon that hazes Occur.After a long time use, it is necessary to when changing eyeglass 7, first clamping circle 11 and rubber ring 10 can be removed, then by Anti-fog mirror Piece group is taken out from outer barrel 4 and changed, and enhanced convenience is quick and due to that need not change whole eyepiece 2, and the cost of maintenance shows Writing reduces.In addition, it is engaged by guide groove 5 and fin 9 so that installation is more stable.

Claims (3)

1. a kind of antifog monocular, including lens barrel（1）And it is arranged on lens barrel（1）The eyepiece at both ends（2）And object lens（3）, its It is characterised by：The eyepiece（2）Including with lens barrel（1）The outer barrel of connection（4）Be arranged on outer barrel（4）Interior fog-proof lens group； The outer barrel（4）Inner surface be uniformly arranged a plurality of guide groove arranged in a ring（5）, the guide groove（5）By outer barrel（4）Far From lens barrel（1）One end rise along outer barrel（4）Length direction extension；The fog-proof lens group includes inner cylinder（6）And eyeglass（7）, The inner cylinder（6）With outer barrel（4）It is engaged and inner cylinder（6）Both ends one eyeglass is set respectively（7）, the eyeglass（7）Between Form vacuum heat-insulation chamber（8）；The inner cylinder（6）Outer surface set it is some along inner cylinder（6）The fin of length direction extension（9）, The fin（9）With guide groove（5）Correspond and cooperate；Also include holding out against component, the component that holds out against includes rubber Circle（10）With clamping circle（11）, the outer barrel（4）Away from lens barrel（1）One end in set clamping circle（11）, the clamping circle （11）And outer barrel（4）Between rubber ring is set（10）, the inner cylinder（6）Pass through rubber ring（10）With clamping circle（11）In outer barrel （4）Middle abutting.

2. antifog monocular according to claim 1, it is characterised in that：The rubber ring（10）Away from lens barrel（1） One end stretch out and form horn-like guard ring（12）.

3. antifog monocular according to claim 2, it is characterised in that：The clamping circle（11）Outer surface set Anti-skid design（13）.