CN216848311U

CN216848311U - Roof prism group positioning and clamping mechanism

Info

Publication number: CN216848311U
Application number: CN202220149431.4U
Authority: CN
Inventors: 佟金仓; 杨淇文
Original assignee: Kunming Langling Optoelectronic Instrument Co ltd
Current assignee: Kunming Langling Optoelectronic Instrument Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-28
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a roof prism group location chucking mechanism, including prism seat, half pentaprism, anti-dazzling screen, roof prism and snap ring, the joint is corresponding in the bottom edge draw-in groove of prism seat to roof prism's one end, and the other end setting is in the prism seat, and half pentaprism sets up roof prism's top, and the front and back two sides of anti-dazzling screen laminate with roof prism and half pentaprism respectively, the snap ring pass through fast-assembling mechanism realize with the installation of prism seat. The utility model discloses structure reduction part manufacturing cost reduces the assembly process, promotes assembly efficiency, reduces assembly cost.

Description

Roof prism group positioning and clamping mechanism

Technical Field

The utility model belongs to the technical field of optical product spare part, concretely relates to roof prism group location chucking mechanism.

Background

The existing ridge prism assembly generally comprises components such as a prism seat and a clamping ring, the clamping ring is arranged on the prism seat, the internal optical assembly is assembled and fixed, the existing prism seat and the clamping ring can not be rapidly positioned and clamped after being assembled, and a screw is required to be further assembled to fix the degree of freedom. In addition, the existing snap ring structural member usually needs to be used after three or even more processes of blank die casting, semi-finished product machining and finished product oxidation. Simultaneously, need the manual assembly screw during production assembly, just can guarantee the relatively fixed between prism group and the snap ring, this kind of assembly mode has the problem that production efficiency is low, the cost of labor is higher.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a roof prism group location chucking mechanism specifically realizes through following technical scheme:

a roof prism group fixes a position chucking mechanism, including prism seat, half pentaprism, anti-dazzling screen, roof prism and snap ring, the one end of roof prism corresponds the joint in the edge draw-in groove in the bottom of prism seat, the other end setting of roof prism is in the prism seat, half pentaprism sets up the top of roof prism, and the front and back two sides of anti-dazzling screen laminate with roof prism and half pentaprism respectively, the snap ring passes through the installation that fast-assembling mechanism realized with the prism seat.

Furthermore, the fast-assembling mechanism comprises a first limiting mechanism and a second limiting mechanism, wherein the first limiting mechanism comprises inclined plane mechanisms symmetrically arranged at the upper end of the prism seat and inclined plane fixing mechanisms correspondingly arranged at the inner sides of the clamping rings and matched with the inclined plane mechanisms for use; the second limiting mechanism comprises limiting grooves symmetrically arranged on two sides of the inclined plane mechanism and limiting columns correspondingly arranged on two sides of the inclined plane fixing mechanism and matched with the limiting grooves.

Further, the inclined plane mechanism comprises a connecting block arranged on the prism seat, an inclined plane is arranged at the upper end of the connecting block, the lower end of the inclined plane is a plane, the inclined plane fixing mechanism comprises an inclined plane groove arranged on the inner side of the clamping ring, and a flat table surface is arranged at the lower end of the inclined plane groove.

Further, the inner dimension of the inclined plane groove is matched with the outer dimension of the inclined plane.

Furthermore, gaps are reserved between the two sides of the connecting block and the limiting grooves.

Furthermore, the limiting column and the limiting groove are both of structures with thin lower ends and thick upper ends.

The utility model discloses snap ring structure only needs two processes of die-casting blank and oxidation finished product, saves the machine in middle and adds the link, promotes part production efficiency, reduces the part cost. During assembly, the clamping ring is clamped into the prism seat to be mutually fixed, and unnecessary parts do not need to be installed, so that the assembly efficiency is improved, and the assembly cost is reduced. The structure has strong reproducibility and operability aiming at the assembly of different roof prism assemblies.

Drawings

Fig. 1 is a schematic view of the unfolding structure of the present invention;

fig. 2 and fig. 3 are schematic diagrams of the positioning, clamping and assembling process of the ridge prism group of the present invention;

fig. 4-6 are schematic diagrams illustrating the positioning and clamping principle of the ridge prism set of the present invention;

in the figure, 1-prism seat, 2-half pentaprism, 3-shading sheet, 4-roof prism, 5-snap ring, 6-limiting groove, 7-limiting column, 8-connecting block, 9-inclined plane, 10-plane, 11-inclined plane groove, 12-platform plane and 13-gap.

Detailed Description

The present invention will be further described with reference to the accompanying drawings for better understanding of the technical solution.

As shown in fig. 1, the utility model relates to a roof prism group location chucking mechanism specifically includes prism seat 1, half pentaprism 2, anti-dazzling screen 3, roof prism 4 and snap ring 5, and the joint is corresponding in prism seat 1's bottom edge draw-in groove to roof prism 4's one end, and roof prism 4's the other end setting is in prism seat 1, and half pentaprism 2 sets up roof prism 4's top, and the front and back two sides of anti-dazzling screen 3 laminate with roof prism 4 and half pentaprism 2 respectively.

The snap ring 5 is mounted with the prism seat 1 through a fast-assembling mechanism, the fast-assembling mechanism comprises a first limiting mechanism and a second limiting mechanism, wherein the first limiting mechanism comprises inclined plane mechanisms symmetrically arranged at the upper end of the prism seat 1 and inclined plane fixing mechanisms correspondingly arranged at the inner side of the snap ring 5 and matched with the inclined plane mechanisms for use; inclined plane mechanism is including setting up connecting block 8 on prism seat 1, leave clearance 13 between connecting block 8's both sides and the spacing groove 6, connecting block 8's upper end is provided with an inclined plane 9, the lower extreme of inclined plane 9 is a plane 10, inclined plane fixed establishment is including setting up at 5 inboard inclined plane grooves 11 of snap ring, 11 lower extremes of inclined plane grooves are provided with a flat mesa 12, the internal dimension in inclined plane grooves 11 is identical with the external dimension on inclined plane 9, plane 10 uses with the cooperation of platform face 12, realize the fixed card jail.

The second limiting mechanism comprises limiting grooves 6 symmetrically arranged on two sides of the inclined plane mechanism and limiting columns 7 correspondingly arranged on two sides of the inclined plane fixing mechanism and used with the limiting grooves 6, and the limiting columns 7 and the limiting grooves 6 are of structures with thin lower ends and thick upper ends.

During assembly, in the first step, the roof prism 4 is cleaned, and the edge of the relatively narrow end of the roof prism 4 is aligned with the prism seat 1 and is put into place for assembly; secondly, cleaning the shading sheet 3, attaching one end face of the shading sheet to the prism seat 1, and attaching ribs of the shading sheet 3 to the roof prism 4; thirdly, cleaning the half pentaprism 2, placing the half pentaprism 2 into the prism seat 1, attaching the inclined plane of the half pentaprism 2 to the shading sheet 3, attaching the arc end surface to the prism seat 1, and assembling in place; the assembly process of the first three steps is shown in fig. 2; fourthly, clamping the clamping ring 5 onto the prism group, pressing in place, after the clamping ring 5 is assembled, fixing the prism seat 1 and the clamping ring 5 relatively due to a quick assembly mechanism designed between the prism seat 1 and the clamping ring 5, preventing the prism seat 1 and the clamping ring 5 from being separated, and clamping internal parts; fifthly, glue is dispensed at the joint of the prism seat 1, the roof prism 4, the shading sheet 3 and the half-pentaprism 2, and the prism group is assembled, as shown in fig. 3.

The utility model discloses fast-assembling mechanism's theory of operation: the prism seat 1 is symmetrically provided with an inclined plane mechanism and a limiting groove 6 which correspond to an inclined plane fixing mechanism and a limiting column 7 arranged in the snap ring 5, as shown in fig. 4; through the combination of inclined plane, interference, three kinds of modes of buckle, thereby realize the relatively fixed between prism seat 1 and the snap ring 5, the structure is implemented specifically as shown in fig. 5, wherein, inclined plane mechanism and inclined plane fixed establishment's cooperation installation, it is fixed about guaranteeing between prism seat 1 and the snap ring 5 and fixed from top to bottom, but the point is glued when the part produces the clearance from top to bottom and is assisted fixedly, spacing groove 6 and spacing post 7's cooperation, it is fixed around guaranteeing between prism seat 1 and the snap ring 5, therefore, foretell first stop gear and second stop gear can realize the fixed of six degrees of freedom between prism seat 1 and the snap ring 5, as shown in fig. 6.

When the part in kind assembled, when snap ring 5 assembled on prism seat 1, can manually impress or impress with the help of simple and easy tool equipment, snap ring 5 impresses after accomplishing, between half pentaprism 2, anti-dazzling screen 3, roof prism 4 and prism seat 1 some silica gel fixed can, more former traditional structure, reduce part manufacturing cost, reduce the assembly process, promote assembly efficiency, reduce assembly cost.

Claims

1. The utility model provides a roof prism group fixes a position chucking mechanism, its characterized in that, this chucking mechanism includes prism seat (1), half pentaprism (2), anti-dazzling screen (3), roof prism (4) and snap ring (5), the one end of roof prism (4) corresponds the joint in the edge draw-in groove of the bottom of prism seat (1), and the other end setting of roof prism (4) is in prism seat (1), and half pentaprism (2) set up the top of roof prism (4), and the front and back two sides of anti-dazzling screen (3) laminate with roof prism (4) and half pentaprism (2) respectively, snap ring (5) realize the installation with prism seat (1) through fast-assembling mechanism.

2. The roof prism group positioning and clamping mechanism as claimed in claim 1, wherein the fast-assembling mechanism comprises a first limiting mechanism and a second limiting mechanism, the first limiting mechanism comprises a slope mechanism symmetrically arranged at the upper end of the prism seat (1) and a slope fixing mechanism correspondingly arranged at the inner side of the snap ring (5) and used in cooperation with the slope mechanism; the second limiting mechanism comprises limiting grooves (6) symmetrically arranged on two sides of the inclined plane mechanism and limiting columns (7) correspondingly arranged on two sides of the inclined plane fixing mechanism and matched with the limiting grooves (6).

3. A roof prism assembly positioning and clamping mechanism as claimed in claim 2, wherein the bevel mechanism comprises a connecting block (8) arranged on the prism holder (1), the upper end of the connecting block (8) is provided with a bevel (9), the lower end of the bevel (9) is a flat surface (10), the bevel fixing mechanism comprises a bevel groove (11) arranged inside the clamping ring (5), and the lower end of the bevel groove (11) is provided with a flat surface (12).

4. A roof prism assembly positioning and clamping mechanism according to claim 3, characterized in that the inner dimension of the bevel groove (11) is matched with the outer dimension of the bevel (9).

5. A roof prism assembly positioning and clamping mechanism as claimed in claim 3, wherein a gap (13) is left between the two sides of the connecting block (8) and the limiting groove (6).

6. A roof prism assembly positioning and clamping mechanism as claimed in claim 2, wherein the limiting post (7) and the limiting groove (6) are both of a structure with a thin lower end and a thick upper end.