CN207867157U - Wireless TV reads typoscope - Google Patents

Abstract

The utility model discloses wireless TV to read typoscope, including two the first lens barrels, frame, head rod and the second connecting rod, this is wireless, and TV reading typoscopes are simple in structure, head rod both ends are hinged one end of the second connecting rod, the other end of second connecting rod tilts the opposite side wall of the first lens barrel of connection, by adjusting the angle of head rod and the second connecting rod, the spacing between two the first lens barrels can be adjusted, to adapt to the needs of people's different shape of face and eyes spacing；Turn knob, first gear rotation is driven by shaft, first gear engages two second gears, two second gears are driven to rotate in same direction, the nut of second gear side wall connection drives the second lens barrel to slidably reciprocate in the first lens barrel, and the size for reading font is adjusted by the spacing adjusted between object lens and eyepiece, the two combines, different crowd is adapted to, the needs of different eyesights substantially increase practicability.

Description

Wireless TV reads typoscope

Technical field

The utility model is related to typoscope field, specially wireless TV reads typoscope.

Background technology

Typoscope is any type device or equipment that can improve or improve low visual acuity patient visual performance, with hearing aid Similar, hearing aid can make the sound for listening the people of force difference to hear that he can't hear originally, and typoscope can enable low visual acuity patient see Understand the thing that he can't see or do not saw originally, every energy improves any device of patient's vision with visual disabilities or equipment claims For typoscope, typoscope has the two major classes, i.e. optical visual aid and non-optical typoscope, typoscope to be currently on the market all at present Common optical visual aid makes image objects become larger using the convex lens of such typoscope or the amplification of optical system, can So that the wisp that patient with visual disabilities did not saw Chu originally becomes larger, but typoscope in the market is when in use, needs to hold It uses, and adjusting for multiple and inconvenient, for this purpose, it is proposed that wireless TV reads typoscope.

Utility model content

The purpose of this utility model is to provide wireless TV to read typoscope, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions：

Wireless TV reads typoscope, including two the first lens barrels, frame, head rod and the second connecting rod, the first mirror Cylinder is the uncovered structure of both ends open, and the side that is located remotely from each other of two the first lens barrels is all connected with one end of frame, two first The opposite side of lens barrel symmetrically tilts connection, and there are two one end of the second connecting rod, and the other end of two the second connecting rods is cut with scissors The both ends of the same head rod are connect, first lens barrel is connected with eyepiece frame close to the side of frame, and eyepiece frame is interior Side wall is fixedly connected with eyepiece, and the eyepiece is convex lens, the outside of the madial wall rotation connection gear ring of first lens barrel Wall, and the teeth inside gear ring engage second gear, two second gears are nibbled with the upper and lower ends of first gear respectively It closes, the middle part of the first gear, which is fixed, is plugged with shaft, and the both ends of shaft are opposite in the middle part of two head rods respectively Side rotation connection, fixing sleeve is connected to knob in the shaft, and one end side wall of the second gear is coaxially connected with nut, And nut thread is connected with the lateral wall of the second lens barrel, second lens barrel is hollow structure, and one end of the second lens barrel is run through The side wall of second gear and the side wall for being connected with objective lens frame, the lateral wall of second lens barrel and the madial wall of the first lens barrel slide The madial wall of connection, the objective lens frame is fixedly connected with object lens, and the object lens are convex lens.

Preferably, the angle of inclination of first lens barrel and the second connecting rod is 45 degree.

Preferably, the surface of the knob is equipped with bar shaped anti-skid chequer.

Preferably, the width of the second gear is more than the width of gear ring.

Compared with prior art, the utility model has the beneficial effects that：This is wireless, and TV reading typoscopes are simple in structure, and first Connecting rod both ends are hinged one end of the second connecting rod, and the other end of the second connecting rod tilts the opposite side wall of the first lens barrel of connection, By adjusting the angle of head rod and the second connecting rod, the spacing between two the first lens barrels can be adjusted, to adapt to The needs of people different shape of face and eyes spacing；Turn knob drives first gear rotation, first gear by shaft Two second gears are engaged, two second gears is driven to rotate in same direction, the nut of second gear side wall connection drives the second lens barrel It slidably reciprocating in the first lens barrel, the size for reading font is adjusted by the spacing adjusted between object lens and eyepiece, the two combines, Different crowd is adapted to, the needs of different eyesights substantially increase practicability.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model.

In figure：First lens barrel 1, frame 2, head rod 3, the second connecting rod 4, shaft 5, knob 6, first gear 7, Two gears 8, nut 9, the second lens barrel 10, objective lens frame 11, object lens 12, eyepiece frame 13, eyepiece 14, gear ring 15.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Referring to Fig. 1, the utility model provides a kind of technical solution：

Wireless TV reads typoscope, including two the first lens barrels 1, frame 2, head rod 3 and the second connecting rod 4, the One lens barrel 1 is the uncovered structure of both ends open, and the side that is located remotely from each other of two the first lens barrels 1 is all connected with one end of frame 2, two The opposite side of a first lens barrel 1 symmetrically tilts the one end connected there are two the second connecting rod 4, and two the second connecting rods 4 The other end be hinged the both ends of the same head rod 3, the angle of inclination of the first lens barrel 1 and the second connecting rod 4 is 45 Degree, the first lens barrel 1 is connected with eyepiece frame 13 close to the side of frame 2, and the madial wall of eyepiece frame 13 is fixedly connected with eyepiece 14, Eyepiece 14 is convex lens, the lateral wall of the madial wall rotation connection gear ring 15 of the first lens barrel 1, and the teeth inside gear ring 15 Second gear 8 is engaged, two second gears 8 are engaged with the upper and lower ends of first gear 7 respectively, and the width of second gear 8 is more than The width of gear ring 15, the middle part of first gear 7, which is fixed, is plugged with shaft 5, and the both ends of shaft 5 are connect with two first respectively The opposite side in 3 middle part of bar is rotatablely connected, and fixing sleeve is connected to knob 6 in shaft 5, and the surface of knob 6 is equipped with bar shaped anti-skid chequer, One end side wall of second gear 8 is coaxially connected with nut 9, and nut 9 is threaded with the lateral wall of the second lens barrel 10, the second mirror Cylinder 10 is hollow structure, and one end of the second lens barrel 10 runs through the side wall of second gear 8 and is connected with the side wall of objective lens frame 11, the The lateral wall of two lens barrels 10 and the madial wall of the first lens barrel 1 are slidably connected, and the madial wall of objective lens frame 11 is fixedly connected with object lens 12, Object lens 12 are convex lens.

Operation principle：3 both ends of head rod are hinged one end of the second connecting rod 4, and the other end of the second connecting rod 4 tilts The opposite side wall of the first lens barrel 1 is connected, by adjusting the angle of head rod 3 and the second connecting rod 4, two the can be adjusted Spacing between one lens barrel 1, to adapt to the needs of people's different shape of face and eyes spacing；

Turn knob 6 drives first gear 7 to rotate by shaft 5, and first gear 7 engages two second gears 8, drives Two second gears 8 rotate in same direction, 8 side wall of second gear connection nut 9 drive the second lens barrel 10 in the first lens barrel 1 back and forth Sliding adjusts the size for reading font by the spacing adjusted between object lens 12 and eyepiece 14, and the two combines, and adapts to different people Group, the needs of different eyesights substantially increase practicability.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. wireless TV reads typoscope, including two the first lens barrels (1), frame (2), head rod (3) and the second connecting rod (4), the first lens barrel (1) is the uncovered structure of both ends open, and the side that two the first lens barrels (1) are located remotely from each other is all connected with frame (2) one end, the opposite side of two the first lens barrels (1) symmetrically tilts connection, and there are two one end of the second connecting rod (4), and The other end of two the second connecting rods (4) is hinged the both ends of the same head rod (3), it is characterised in that：First mirror Cylinder (1) is connected with eyepiece frame (13) close to the side of frame (2), and the madial wall of eyepiece frame (13) is fixedly connected with eyepiece (14), the eyepiece (14) is convex lens, and the madial wall of first lens barrel (1) is rotatablely connected the lateral wall of gear ring (15), And the teeth engagement second gear (8) that gear ring (15) is internal, two second gears (8) respectively with first gear (7) Upper and lower ends engage, and the middle part of the first gear (7), which is fixed, is plugged with shaft (5), and the both ends of shaft (5) respectively with two Opposite side is rotatablely connected in the middle part of head rod (3), and fixing sleeve is connected to knob (6), second tooth on the shaft (5) One end side wall of wheel (8) is coaxially connected with nut (9), and nut (9) is threaded with the lateral wall of the second lens barrel (10), described Second lens barrel (10) is hollow structure, and one end of the second lens barrel (10) runs through the side wall of second gear (8) and is connected with object lens The madial wall of the side wall of frame (11), the lateral wall and the first lens barrel (1) of second lens barrel (10) is slidably connected, the objective lens frame (11) madial wall is fixedly connected with object lens (12), and the object lens (12) are convex lens.

2. wireless TV according to claim 1 reads typoscope, it is characterised in that：First lens barrel (1) connects with second The angle of inclination of extension bar (4) is 45 degree.

3. wireless TV according to claim 1 reads typoscope, it is characterised in that：The surface of the knob (6) is equipped with item Shape anti-skid chequer.

4. wireless TV according to claim 1 reads typoscope, it is characterised in that：The width of the second gear (8) is big Width in gear ring (15).