CN204287601U - Length adjustable periscope model - Google Patents

Abstract

Length adjustable periscope model, comprise horizontal lens barrel, in vertically lens barrel and lower horizontal lens barrel, upper horizontal lens barrel and in inside, junction vertically between lens barrel be provided with upper reflector horizontal by 45° angle, lower horizontal lens barrel and in vertically between lens barrel inside, junction be provided with the lower catoptron parallel with upper reflector, in described, vertical lens barrel comprises the upper shell be connected with upper horizontal lens barrel and the lower shell be connected with lower horizontal lens barrel, upper shell is plugged in lower shell, and lower shell sidepiece is provided with the manual regulating device for manipulating upper shell lifting.Due to the utility model by vertically lens barrel be set to upper shell and lower shell two joint, and set up manual regulating device, can the length of the vertical lens barrel of centering regulate like this, namely the height of upper horizontal lens barrel is regulated, thus the needs under adaptation varying environment, this regulative mode is simple, is easy to operation, also vivid and interesting more when classroom is told about student.

Description

Length adjustable periscope model

Technical field

The utility model relates to a kind of periscope, particularly relates to a kind of length adjustable periscope model.

Background technology

Periscope is usually used in submarine, in order to observe the enemy's situation in tunnel and tank.In middle and primary schools' teaching process, need the principle telling about periscope to student, existing model comprise horizontal lens barrel, in vertically lens barrel and lower horizontal lens barrel, upper horizontal lens barrel and in be vertically provided with upper reflector horizontal by 45° angle between lens barrel, lower horizontal lens barrel and in be vertically provided with the lower catoptron parallel with upper reflector between lens barrel, because the length of lens barrel vertical in the model of this structure is fixed, periscope in use, can only be that upper horizontal lens barrel and lower horizontal lens barrel move up and down simultaneously, not only inconvenient, and may give away one's position.

Utility model content

The utility model, in order to solve weak point of the prior art, provides the length adjustable periscope model that a kind of structure is simple, be easy to operation.

For solving the problems of the technologies described above, the utility model adopts following technical scheme: length adjustable periscope model, comprise horizontal lens barrel, in vertically lens barrel and lower horizontal lens barrel, upper horizontal lens barrel and in inside, junction vertically between lens barrel be provided with upper reflector horizontal by 45° angle, lower horizontal lens barrel and in vertically between lens barrel inside, junction be provided with the lower catoptron parallel with upper reflector, in described, vertical lens barrel comprises the upper shell be connected with upper horizontal lens barrel and the lower shell be connected with lower horizontal lens barrel, upper shell is plugged in lower shell, lower shell sidepiece is provided with the manual regulating device for manipulating upper shell lifting,

Manual regulating device comprises lower fixed block, sleeve, upper fixed block and thrust bearing, sleeve is vertically located between lower fixed block and upper fixed block, guide pillar has been in axial sliding connection in sleeve, sleeve sidepiece is fixedly connected with lower shell sidepiece, guide pillar upper end is connected with upper shell outside portion by contiguous block, upper fixed block is provided with for passing through and the guide hole of the guide pillar that leads, on the left of sleeve lining and right side is in axial direction respectively equipped with a gathering sill, guide pillar sidepiece is provided with the spacing orienting lug slided along gathering sill, lower fixed block is threaded the adjustment screw mandrel of with guide pillar concentricity line, screw mandrel lower end is regulated to be provided with the handle be positioned at below lower fixed block, regulate clamp nut screw mandrel is threaded with lower fixed block lower surface immovable fitting, regulate screw mandrel upper end to extend in sleeve and with thrust bearing inner ring interference fit, guide pillar lower surface is provided with groove, thrust bearing is located in groove and groove inner wall interference fit is crossed in thrust bearing outer ring, the support ring that guide pillar is provided with, press fit is pushed up in support ring upper surface and thrust bearing inner ring lower surface.

Adopt technique scheme, during the utility model regulates, vertically the detailed process of lens barrel is as follows:

First unclamp clamp nut, rotary handle drives and regulates screw mandrel to rotate, be threaded with lower fixed block owing to regulating screw mandrel, regulate the rotation of screw mandrel to become to move axially, regulate screw mandrel to drive thrust bearing inner ring to rotate, thrust bearing outer ring and guide pillar do not rotate, and spacing orienting lug also limits guide pillar and can only move axially and can not rotate in addition, regulate screw mandrel just to promote guide pillar to move up or down in sleeve, guide pillar just drives upper shell to move in lower shell by contiguous block.After length adjustment is suitable, clamp nut is tightened and lower fixed block top press fit.

Due to the utility model by vertically lens barrel be set to upper shell and lower shell two joint, and set up manual regulating device, can the length of the vertical lens barrel of centering regulate like this, namely the height of upper horizontal lens barrel is regulated, thus the needs under adaptation varying environment, this regulative mode is simple, is easy to operation, also vivid and interesting more when classroom is told about student.

Accompanying drawing explanation

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

Fig. 2 is the structural representation of manual regulating device in the middle of Fig. 1.

Embodiment

As depicted in figs. 1 and 2, length adjustable periscope model of the present utility model, comprise horizontal lens barrel 1, in vertically lens barrel and lower horizontal lens barrel 2, upper horizontal lens barrel 1 and in inside, junction vertically between lens barrel be provided with upper reflector 3 horizontal by 45° angle, lower horizontal lens barrel 2 and in vertically between lens barrel inside, junction be provided with the lower catoptron 4 parallel with upper reflector 3, in vertically lens barrel comprise the upper shell 5 be connected with upper horizontal lens barrel 1 and the lower shell 6 be connected with lower horizontal lens barrel 2, upper shell 5 is plugged in lower shell 6, lower shell 6 sidepiece is provided with the manual regulating device 7 be elevated for manipulating upper shell 5,

Manual regulating device 7 comprises lower fixed block 8, sleeve 9, upper fixed block 10 and thrust bearing 11, sleeve 9 is vertically located between lower fixed block 8 and upper fixed block 10, guide pillar 12 has been in axial sliding connection in sleeve 9, sleeve 9 sidepiece is fixedly connected with lower shell 6 sidepiece, guide pillar 12 upper end is connected with upper shell 5 outside portion by contiguous block 20, upper fixed block 10 is provided with for passing through and the guide hole of the guide pillar 12 that leads, on the left of sleeve 9 inwall and right side is in axial direction respectively equipped with a gathering sill 13, guide pillar 12 sidepiece is provided with the spacing orienting lug 14 slided along gathering sill 13, lower fixed block 8 is threaded and the adjustment screw mandrel 15 of the concentricity line of guide pillar 12, screw mandrel 15 lower end is regulated to be provided with the handle 16 be positioned at below lower fixed block 8, regulate the clamp nut 17 screw mandrel 15 is threaded with lower fixed block 8 lower surface immovable fitting, regulate screw mandrel 15 upper end to extend in sleeve 9 and with thrust bearing 11 inner ring interference fit, guide pillar 12 lower surface is provided with groove 18, thrust bearing 11 is located in groove 18 and groove 18 inwall interference fit is crossed in thrust bearing 11 outer ring, the support ring 19 that guide pillar 12 is provided with, press fit is pushed up in support ring 19 upper surface and thrust bearing 11 inner ring lower surface.

During the utility model regulates, vertically the detailed process of lens barrel is as follows: first unclamp clamp nut 17, rotary handle 16 drives and regulates screw mandrel 15 to rotate, be threaded with lower fixed block 8 owing to regulating screw mandrel 15, regulate the rotation of screw mandrel 15 to become to move axially, screw mandrel 15 is regulated to drive thrust bearing 11 inner ring to rotate, thrust bearing 11 outer ring and guide pillar 12 do not rotate, spacing orienting lug 14 also limits guide pillar 12 and can only move axially and can not rotate in addition, regulate screw mandrel 15 just to promote guide pillar 12 to move up or down in sleeve 9, guide pillar 12 just drives upper shell 5 mobile in lower shell 6 by contiguous block 20.After length adjustment is suitable, clamp nut 17 is tightened and pushes up press fit with lower fixed block 8.

Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify to the utility model or equivalent replacement, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (1)

1. length adjustable periscope model, comprise horizontal lens barrel, in vertically lens barrel and lower horizontal lens barrel, upper horizontal lens barrel and in inside, junction vertically between lens barrel be provided with upper reflector horizontal by 45° angle, lower horizontal lens barrel and in vertically between lens barrel inside, junction be provided with the lower catoptron parallel with upper reflector, it is characterized in that: in described, vertical lens barrel comprises the upper shell be connected with upper horizontal lens barrel and the lower shell be connected with lower horizontal lens barrel, upper shell is plugged in lower shell, lower shell sidepiece is provided with the manual regulating device for manipulating upper shell lifting,

Manual regulating device comprises lower fixed block, sleeve, upper fixed block and thrust bearing, sleeve is vertically located between lower fixed block and upper fixed block, guide pillar has been in axial sliding connection in sleeve, sleeve sidepiece is fixedly connected with lower shell sidepiece, guide pillar upper end is connected with upper shell outside portion by contiguous block, upper fixed block is provided with for passing through and the guide hole of the guide pillar that leads, on the left of sleeve lining and right side is in axial direction respectively equipped with a gathering sill, guide pillar sidepiece is provided with the spacing orienting lug slided along gathering sill, lower fixed block is threaded the adjustment screw mandrel of with guide pillar concentricity line, screw mandrel lower end is regulated to be provided with the handle be positioned at below lower fixed block, regulate clamp nut screw mandrel is threaded with lower fixed block lower surface immovable fitting, regulate screw mandrel upper end to extend in sleeve and with thrust bearing inner ring interference fit, guide pillar lower surface is provided with groove, thrust bearing is located in groove and groove inner wall interference fit is crossed in thrust bearing outer ring, the support ring that guide pillar is provided with, press fit is pushed up in support ring upper surface and thrust bearing inner ring lower surface.