CN218938644U

CN218938644U - Binoculars with vertically adjustable and integrally movable prism assembly

Info

Publication number: CN218938644U
Application number: CN202320151352.1U
Authority: CN
Inventors: 徐乾峰
Original assignee: Zhongshan Mavinlens Optical Co Ltd
Current assignee: Zhongshan Mavinlens Optical Co Ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-04-28
Anticipated expiration: 2033-02-01

Abstract

The utility model discloses a binoculars with a vertically-adjusted and integrally-moved prism assembly, wherein a left eye telescope tube and a right eye telescope tube of the binoculars are composed of an eyepiece assembly, a prism assembly, a lens cone and an objective lens assembly, the eyepiece assembly is distributed along an optical axis L1, the objective lens assembly is distributed along an optical axis L2, the prism assembly comprises a roof prism, a semi-penta prism and a prism support, the roof prism and the semi-penta prism are arranged on the prism support in a left-right mode, the eyepiece assembly and the prism assembly are connected through a double-image adjusting mechanism, the double-image adjusting mechanism ensures left-right staggered and parallel distribution of the optical axis L1 and the optical axis L2 through the vertical adjustment and the integral movement of the prism assembly.

Description

Binoculars with vertically adjustable and integrally movable prism assembly

Technical Field

The present utility model relates to a binoculars that vertically adjusts and integrally moves a prism assembly.

Background

The structure of the left eye telescope tube and the right eye telescope tube is basically the same, and the structure comprises an eyepiece component, a prism component, a lens cone and an objective lens component, wherein the eyepiece component, the prism component and the objective lens component are all arranged on the lens cone, and two common structures exist at present: the first structure is: the eyepiece component and the objective component are positioned on the same optical axis, the middle is converted through the prism component, the prism component adopts the Buchner prism, see patent number: CN201420220795 patent name: the utility model patent of binoculars; the second structure is: the eyepiece component and the objective component are positioned on two parallel optical axes, the middle is converted by the prism component, and the prism component adopts a Baolor prism, see patent number: CN200510007299, patent name: the utility model relates to a binoculars.

The eyepiece assembly and the objective assembly are positioned on two parallel staggered optical axes, the middle part of the eyepiece assembly and the objective assembly is converted through a Porro prism, the Porro prism is used for completing the conversion of the optical axes through the up-down arrangement of the two prisms, and when the eyepiece assembly, the prism assembly, the lens cone and the objective assembly are assembled in actual production, in order to ensure that the imaging of the left eye telescope tube and the right eye telescope tube does not generate double images, the Porro prism is required to be regulated, so that the eyepiece assembly and the objective assembly in the same telescope tube are positioned on the two left-right staggered and parallel optical axes, and the optical principle of the Porro prism is shown in the figure 1. Because the Paul prism is arranged up and down through two prisms, the adjusting structure is not adjusted in the vertical direction, but is adjusted from the transverse direction, so that the adjustment is complex, the volume is larger, and the current adjustment is only to adjust one prism of the Paul prism instead of being adjusted as a whole, so that the structure is complex, and the prism is troublesome to assemble.

Disclosure of Invention

The utility model aims to provide a binoculars with a vertically-adjusted and integrally-moved prism assembly, which solves the problems that in the prior art, binoculars are positioned on the same telescope tube, an eyepiece assembly and an objective lens assembly are positioned on two left-right staggered and parallel optical axes, a Porro prism is required to be switched, the Porro prism is arranged up and down through two prisms, an adjusting structure of the Porro prism is not adjusted in the vertical direction but is adjusted from the transverse direction, the adjustment is complicated, the volume is large, only one prism of the Porro prisms is adjusted, the Porro prism is not adjusted as a whole, the structure is complicated, and the assembly of parts is troublesome.

The technical scheme of the utility model is realized as follows:

the utility model provides a perpendicular binoculars who adjusts and integrated movement prism subassembly, including left eye telescope tube and right eye telescope tube, left eye telescope tube and right eye telescope tube are by eyepiece subassembly, prism subassembly, lens cone and objective subassembly are constituteed, eyepiece subassembly, prism subassembly and objective subassembly are all installed on the lens cone, eyepiece subassembly is along optical axis L1 overall arrangement, objective subassembly is along optical axis L2 overall arrangement, optical axis L1 and optical axis L2 stagger from side to side overall arrangement and parallel, the prism subassembly includes roof prism, half pentaprism and prism support, its characterized in that: the roof prism and the half pentaprism are arranged on the prism support in a left-right arrangement, the eyepiece component and the prism component are connected through a double-image adjusting mechanism, and the double-image adjusting mechanism ensures that the optical axis L1 and the optical axis L2 are staggered left and right and are arranged in parallel through vertical adjustment and integral movement of the prism component.

The double-image adjusting mechanism comprises a first bolt, a first spring, a first nut, a second bolt, a second spring, a second nut, a third bolt and a third spring, wherein an ocular component is provided with an upper positioning column, a prism support is provided with a lower positioning column, the top of the lower positioning column is provided with an adjusting spherical surface, the bottom end of the upper positioning column is provided with a groove, the inner surface of the groove is also spherical surface, the adjusting spherical surface at the top of the lower positioning column is embedded into the groove and matched with the inner surface of the groove to enable the prism component to perform position adjustment, the third bolt is sleeved with the third spring and then passes through the lower positioning column to be screwed on the upper positioning column, one end of the third spring presses the head of the third bolt, and the other end of the third spring presses the prism component to enable the lower positioning column to keep contact and match with the upper positioning column;

the first bolt passes through the ocular component and the prism component from top to bottom and then is locked by a first nut, the first spring is sleeved on the first bolt, and two ends of the first spring are respectively pressed by the ocular component and the prism component;

the second bolt passes through the ocular component and the prism component from top to bottom and then is locked by a second nut, a second spring is sleeved on the second bolt, and two ends of the second spring are respectively pressed by the ocular component and the prism component;

the first bolts, the second bolts and the third bolts are distributed according to three points.

The eyepiece component is downwards protruded with a first spring sleeve and a second spring sleeve, the prism component is upwards protruded with a third spring sleeve and a fourth spring sleeve, the first spring sleeve corresponds to the third spring sleeve in position, a first bolt penetrates through the first spring sleeve and the third spring sleeve, and two ends of the first spring are respectively sleeved in the first spring sleeve and the third spring sleeve; the second spring sleeve corresponds to the fourth spring sleeve in position, the second bolt penetrates through the second spring sleeve and the fourth spring sleeve, and two ends of the second spring are respectively sleeved in the second spring sleeve and the fourth spring sleeve.

Compared with the prior art, the utility model has the following advantages:

1. the prism assembly comprises a roof prism, a half pentaprism and a prism support, wherein the roof prism and the half pentaprism are arranged on the prism support in a left-right arrangement, the eyepiece assembly and the prism assembly are connected through the double-image adjusting mechanism, the double-image adjusting mechanism ensures that an optical axis L1 of the eyepiece assembly and an optical axis L2 of the objective assembly are staggered left and right and are arranged in parallel by vertically adjusting and integrally moving the prism assembly, the double-image adjusting mechanism is of a flat structure, the volume is small, the double-image adjusting mechanism is adjusted in the vertical direction, and is not adjusted from the transverse direction, the adjustment is simple and convenient, the prism assembly is adjusted as a whole, the structure is simplified, the assembly of parts is modularized, and the assembly is simple and convenient.

2. Other advantages of the present utility model are described in detail in the description of the embodiments.

Drawings

FIG. 1 is an optical schematic of a Porro prism in a prior art binoculars;

FIG. 2 is a perspective view of an angle of the present utility model;

FIG. 3 is a perspective view of another angle of the present utility model;

FIG. 4 is an optical schematic of a prism assembly of the present utility model;

FIG. 5 is a top view of one of the telescope tubes of the present utility model;

FIG. 6 is a cross-sectional view of the B-B structure of FIG. 5;

FIG. 7 is a perspective view of one of the telescope tubes of the present utility model;

FIG. 8 is an exploded view of one of the telescope tubes of the present utility model;

FIG. 9 is an exploded view of an angle of the eyepiece assembly and prism assembly portion of the present utility model;

FIG. 10 is another angular exploded view of the eyepiece assembly and prism assembly portion of the present utility model;

fig. 11 is a cross-sectional view of the eyepiece assembly and prism assembly portion of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

as shown in fig. 2 to 11, the present embodiment provides a vertically adjustable and integrally movable prism assembly binoculars including a left eye telescope tube 100 and a right eye telescope tube 200, the left eye telescope tube 100 and the right eye telescope tube 200 each being composed of an eyepiece assembly 1, a prism assembly 2, a lens barrel 3 and an objective lens assembly 4, the eyepiece assembly 1, the prism assembly 2 and the objective lens assembly 4 being mounted on the lens barrel 3, the eyepiece assembly 1 being laid out along an optical axis L1, the objective lens assembly 4 being laid out along an optical axis L2, the optical axis L1 and the optical axis L2 being laid out with left and right offset and parallel, the prism assembly 2 including a roof prism 21, a half pentaprism 22 and a prism holder 23, characterized in that: the roof prism 21 and the half pentaprism 22 are arranged on the prism support 23 in a left-right arrangement, the eyepiece assembly 1 and the prism assembly 2 are connected through a double-image adjusting mechanism, and the double-image adjusting mechanism ensures that the optical axis L1 and the optical axis L2 are staggered left and right and are arranged in parallel through vertical adjustment and integral movement of the prism assembly 2.

The double-image adjusting mechanism has a flat structure, is small in size, is adjusted in the vertical direction instead of in the transverse direction, is simple and convenient to adjust, and is simple in structure, modularized in part assembly and convenient to assemble, and the prism assembly is adjusted as a whole.

The double-image adjusting mechanism comprises a first bolt 51, a first spring 52, a first nut 53, a second bolt 54, a second spring 55, a second nut 56, a third bolt 57 and a third spring 58, wherein the eyepiece assembly 1 is provided with an upper positioning column 11, the prism support 23 is provided with a lower positioning column 24, the top of the lower positioning column 24 is provided with an adjusting spherical surface 241, the bottom end of the upper positioning column 11 is provided with a groove 111, the inner surface of the groove 111 is also a spherical surface, the adjusting spherical surface 241 at the top of the lower positioning column 24 is embedded into the groove 111 and matched with the inner surface of the groove 111 to enable the prism assembly 2 to be adjusted in position, the third bolt 57 is sleeved with the third spring 58 and then passes through the lower positioning column 24 to be screwed on the upper positioning column 11, one end of the third spring 58 presses the head of the third bolt 5, and the other end of the third spring 58 presses the prism assembly 2 to enable the lower positioning column 24 to keep contact and matched with the upper positioning column 11; the first bolt 51 passes through the eyepiece assembly 1 and the prism assembly 2 from top to bottom and then is locked by the first nut 53, the first spring 52 is sleeved on the first bolt 51, and two ends of the first spring 52 are respectively pressed by the eyepiece assembly 1 and the prism assembly 2; the second bolt 54 passes through the eyepiece assembly 1 and the prism assembly 2 from top to bottom and is locked by the second nut 56, the second spring 55 is sleeved on the second bolt 54, and two ends of the second spring 55 are respectively pressed by the eyepiece assembly 1 and the prism assembly 2; the first bolt 51, the second bolt 54, and the third bolt 57 are distributed at three points. The novel adjustable hydraulic lifting device is simple in structure, convenient to assemble and easy and convenient to adjust.

The eyepiece component 1 is provided with a first spring sleeve 12 and a second spring sleeve 13 which protrude downwards, the prism component 2 is provided with a third spring sleeve 25 and a fourth spring sleeve 26 which protrude upwards, the positions of the first spring sleeve 12 and the third spring sleeve 25 correspond to each other, a first bolt 51 penetrates through the first spring sleeve 12 and the third spring sleeve 25, and two ends of the first spring 52 are respectively sleeved in the first spring sleeve 12 and the third spring sleeve 25; the second spring housing 13 corresponds to the fourth spring housing 26 in position, the second bolt 54 penetrates through the second spring housing 13 and the fourth spring housing 26, and two ends of the second spring 55 are respectively sleeved in the second spring housing 13 and the fourth spring housing 26. The first spring 52 and the second spring 55 can be well fixedly installed, and the accuracy of adjustment is ensured.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present utility model are included in the scope of the present utility model.

Claims

1. Binoculars of perpendicular regulation and integrated movement prism subassembly, including left eye telescope tube (100) and right eye telescope tube (200), left eye telescope tube (100) and right eye telescope tube (200) are by eyepiece subassembly (1), prism subassembly (2), lens cone (3) and objective subassembly (4) are constituteed, eyepiece subassembly (1), prism subassembly (2) and objective subassembly (4) are all installed on lens cone (3), eyepiece subassembly (1) are laid out along optical axis L1, objective subassembly (4) are laid out along optical axis L2, optical axis L1 and optical axis L2 are left and right staggered overall arrangement and are parallel, prism subassembly (2) include roof prism (21), half pentaprism (22) and prism support (23), its characterized in that: roof prism (21) and half pentaprism (22) are arranged on prism support (23) in a left-right arrangement, eyepiece component (1) and prism component (2) are connected through a double-image adjusting mechanism, and the double-image adjusting mechanism ensures that optical axis L1 and optical axis L2 are staggered left-right and are arranged in parallel through vertical adjustment and integral movement of prism component and prism component (2).

2. The vertically adjustable and integrally movable prism assembly binocular telescope of claim 1, wherein: the double-image adjusting mechanism comprises a first bolt (51), a first spring (52), a first nut (53), a second bolt (54), a second spring (55), a second nut (56), a third bolt (57) and a third spring (58), wherein an eyepiece component (1) is provided with an upper positioning column (11), a prism support (23) is provided with a lower positioning column (24), the top of the lower positioning column (24) is provided with an adjusting spherical surface (241), the bottom end of the upper positioning column (11) is provided with a groove (111), the inner surface of the groove (111) is also spherical, the adjusting spherical surface (241) at the top of the lower positioning column (24) is embedded into the groove (111) and is matched with the inner surface of the groove (111) to enable the prism component (2) to be subjected to position adjustment, the third bolt (57) is sleeved with the third spring (58) and then passes through the lower positioning column (11), one end of the third spring (58) presses the head of the third bolt (57), and the other end of the third spring (58) presses the prism component (2) to enable the lower positioning column (24) to keep in contact with the upper positioning column (11);

the first bolt (51) passes through the eyepiece component (1) and the prism component (2) from top to bottom and then is locked by the first nut (53), the first spring (52) is sleeved on the first bolt (51), and two ends of the first spring (52) are respectively pressed by the eyepiece component (1) and the prism component (2);

the second bolt (54) passes through the eyepiece component (1) and the prism component (2) from top to bottom and then is locked by a second nut (56), a second spring (55) is sleeved on the second bolt (54), and two ends of the second spring (55) are respectively pressed by the eyepiece component (1) and the prism component (2);

the first bolts (51), the second bolts (54) and the third bolts (57) are distributed at three points.

3. The vertically adjustable and integrally movable prism assembly binocular telescope of claim 2, wherein: the eyepiece component (1) is provided with a first spring sleeve (12) and a second spring sleeve (13) in a downward protruding mode, the prism component (2) is provided with a third spring sleeve (25) and a fourth spring sleeve (26) in an upward protruding mode, the first spring sleeve (12) corresponds to the third spring sleeve (25), a first bolt (51) penetrates through the first spring sleeve (12) and the third spring sleeve (25), and two ends of a first spring (52) are respectively sleeved in the first spring sleeve (12) and the third spring sleeve (25); the second spring sleeve (13) corresponds to the fourth spring sleeve (26) in position, a second bolt (54) penetrates through the second spring sleeve (13) and the fourth spring sleeve (26), and two ends of the second spring (55) are respectively sleeved in the second spring sleeve (13) and the fourth spring sleeve (26).