CN210835424U

CN210835424U - Device for separating objective lens assembly and CCD sensor of optical endoscope

Info

Publication number: CN210835424U
Application number: CN201921553683.8U
Authority: CN
Inventors: 付伟; 陈土新; 杨建国
Original assignee: Guangdong Kanglide Medical Technology Co ltd
Current assignee: Guangdong Kanglide Medical Technology Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-23
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a device for separating an objective lens assembly of an optical endoscope from a CCD sensor, which comprises a base, wherein a supporting groove is formed above the right side of the base, and a fixing nut which is vertical to the base is fixed in the supporting groove; a screw rod radially penetrates through the fixed nut, a movable clamp body is mounted at the left end of the screw rod, a triangular separation block is further mounted above the movable clamp body, and the vertex angle end of the triangular separation block faces the left end of the base; two support columns which are symmetrical in front and back are further installed above the left side of the base. The movable clamp body is driven to move towards the supporting column through the rotating screw rod, pressure is gradually formed on the CCD sensor and the objective lens assembly through the triangular separation block, and when certain pressure is reached, the CCD sensor and the objective lens assembly can be separated. The problem that the CCD sensor and the objective lens assembly cannot be separated manually is solved, the splitting difficulty is reduced, and the operation safety is greatly improved.

Description

Device for separating objective lens assembly and CCD sensor of optical endoscope

Technical Field

The utility model belongs to the technical field of the endoscope and specifically relates to an objective lens subassembly and CCD sensor's of separation optics endoscope device is related to.

Background

An endoscope (rigid optical endoscope) is composed of an optical imaging system and an illumination system. The optical imaging system consists of three systems, namely an objective lens, an image transfer system and an ocular lens system. The illumination system is a fiber optic bundle. The inverted image of the observed object formed by the objective lens is converted into an upright image through the image conversion system, transmitted to the eyepiece and then magnified by the eyepiece or an image pickup system externally connected with the eyepiece for observation.

When the endoscope is overhauled, components between the CCD sensor and the objective lens are required to be separated, manual separation is adopted at present, the CCD sensor and the objective lens component are stressed unevenly due to the manual separation, and the CCD sensor and the objective lens component are easily damaged; but also consumes great strength, seriously influences the splitting process and increases the splitting difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A device for separating an objective lens assembly of an optical endoscope from a CCD sensor comprises a base, wherein a support groove is formed above the right side of the base, and a fixing nut vertical to the base is fixed in the support groove; a screw rod is radially penetrated in the fixed nut and is in threaded fit with the fixed nut; the left end of the screw rod is provided with a movable clamp body, the right side of the movable clamp body is formed with a fixed groove corresponding to the left end of the screw rod, the fixed groove is communicated with the lower end of the movable clamp body, and the left end of the screw rod is clamped in the fixed groove and is in rotating fit with the fixed groove; the lower end of the movable clamp body is fixed with a moving block; a movable groove corresponding to the movable block is formed on the base, and the movable block is arranged in the movable groove and is in sliding fit with the movable groove; a triangular separation block is further mounted above the movable clamp body, and the vertex angle end of the triangular separation block faces the left end of the base; the upper end of the movable clamp body is also provided with a first fixing hole, and the upper end of the triangular separation block is provided with a first through hole corresponding to the first fixing hole; a first fixing bolt penetrates through the first through hole and is fixed with the first fixing hole through threads; two support columns which are symmetrical in front and back are further installed above the left side of the base, and an annular support groove is formed in the center of each support column.

As a further aspect of the present invention: a fixing lug is also formed at the left end of the screw rod, and the fixing lug is a cylindrical lug and is coaxial with the screw rod; the inside left side of fixed slot still the shaping has the fixed slot corresponding with fixed lug, and fixed slot's upper end is semi-circular and coaxial with fixed lug, and the left side of lead screw stretches into in the fixed slot and through fixed lug and fixed slot joint.

As a further aspect of the present invention: a second fixing hole is formed in the upper end of the left side of the base, and a second through hole corresponding to the second fixing hole is formed in the supporting column; and a second fixing bolt penetrates through the second through hole and is fixed with the second fixing hole through threads.

As a further aspect of the present invention: the right end of the screw rod is also fixed with a hand-operated handle, and the hand-operated handle is welded and fixed with the right end of the screw rod.

As a further aspect of the present invention: symmetrical mounting holes are formed in the upper end of the base, and the mounting holes are countersunk waist holes and penetrate through the lower end of the base.

As a further aspect of the present invention: a first chamfer is formed at the upper end of the left side of the base; a second chamfer is formed above the right side of the movable clamp body.

Compared with the prior art, the beneficial effects of the utility model are that: the movable clamp body is driven to move towards the supporting column through the rotating screw rod, pressure is gradually formed on the CCD sensor and the objective lens assembly through the triangular separation block, one sides of the CCD sensor and the objective lens assembly are stressed in the supporting groove of the supporting column, the triangular separation block on the movable clamp body is stressed between the CCD sensor and the objective lens assembly in a concentrated mode, and when certain pressure is achieved, the CCD sensor and the objective lens assembly can be separated. The problem that the CCD sensor and the objective lens assembly cannot be separated manually is solved, the splitting difficulty is reduced, and the operation safety is greatly improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the support column of the present invention.

Fig. 3 is a schematic structural diagram of the base of the present invention.

Fig. 4 is a schematic view of the working state of the present invention.

Fig. 5 is another schematic view of the present invention.

Fig. 6 is a schematic structural view of the movable clamp body of the present invention.

In the figure: 1. a base; 2. a movable clamp body; 3. fixing a nut; 4. a triangular separation block; 5. a support pillar; 6. A CCD sensor; 7. an objective lens assembly; 11. mounting holes; 12. a movable groove; 13. a first chamfer; 14. a support groove; 15. a second fixing hole; 21. a second chamfer; 22. a moving block; 23. fixing the clamping groove; 24. a first fixing hole; 31. a screw rod; 32. a hand-operated handle; 34. fixing the bump; 35. fixing grooves; 41. a first fixing bolt; 42. a first through hole; 51 supporting the groove; 52. a second fixing bolt; 53. a second via.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, an apparatus for separating an objective lens assembly and a CCD sensor of an optical endoscope includes a base 1, a supporting groove 14 is formed above a right side of the base 1, and a fixing nut 3 perpendicular to the base 1 is fixed in the supporting groove 14; a screw rod 31 radially penetrates through the fixed nut 3, and the screw rod 31 is in threaded fit with the fixed nut 3; the left end of the screw rod 31 is provided with the movable clamp body 2, the right side of the movable clamp body 2 is formed with a fixed groove 35 corresponding to the left end of the screw rod 31, the fixed groove 35 is communicated with the lower end of the movable clamp body 2, and the left end of the screw rod 31 is clamped in the fixed groove 35 and is in running fit with the fixed groove 35; a moving block 22 is fixed at the lower end of the movable clamp body 2; a movable groove 12 corresponding to the movable block 22 is formed on the base 1, and the movable block 22 is installed in the movable groove 12 and is in sliding fit with the movable groove 12; a triangular separation block 4 is further mounted above the movable clamp body 2, and the vertex angle end of the triangular separation block 4 faces the left end of the base 1; a first fixing hole 24 is formed at the upper end of the movable clamp body 2, and a first through hole 42 corresponding to the first fixing hole 24 is formed at the upper end of the triangular separation block 4; a first fixing bolt 41 penetrates through the first through hole 42, and the first fixing bolt 41 penetrates through the first through hole 42 and is fixed with the first fixing hole 24 through threads; two support columns 5 which are symmetrical in the front-back direction are further installed above the left side of the base 1, and an annular support groove 51 is formed in the center of each support column 5.

A fixing lug 34 is also formed at the left end of the screw rod 31, and the fixing lug 34 is a cylindrical lug and is coaxial with the screw rod 31; the inside left side of fixed slot 35 still the shaping has fixed draw-in groove 23 corresponding with fixed lug 34, and the upper end of fixed draw-in groove 23 is semi-circular and coaxial with fixed lug 34, and the left side of lead screw 31 stretches into in the fixed slot 35 and passes through fixed lug 34 and fixed draw-in groove 23 joint.

A second fixing hole 15 is formed at the upper end of the left side of the base 1, and a second through hole 53 corresponding to the second fixing hole 15 is formed on the supporting column 5; a second fixing bolt 52 penetrates through the second through hole 53, and the second fixing bolt 52 penetrates through the second through hole 53 and is fixed with the second fixing hole 15 through threads.

A hand-operated handle 32 is fixed at the right end of the screw rod 31, and the hand-operated handle 32 is welded and fixed with the right end of the screw rod 31; symmetrical mounting holes 11 are formed in the upper end of the base 1, and the mounting holes 11 are countersunk waist holes and penetrate through the lower end of the base 1; a first chamfer 13 is formed at the upper end of the left side of the base 1; a second chamfer 21 is formed above the right side of the movable clamp body 2.

As shown in fig. 4 and 5, the working principle of the present invention is: the movable clamp body 2 is driven to move towards the supporting column 5 by rotating the screw rod 31, pressure is gradually formed on the CCD sensor 6 and the objective lens assembly 7 through the triangular separation block 4, one sides of the CCD sensor 6 and the objective lens assembly 7 are stressed in the supporting groove 51 of the supporting column 5, the triangular separation block 4 on the movable clamp body 2 is intensively stressed between the CCD sensor 6 and the objective lens assembly 7, and when certain pressure is reached, the movable clamp body and the objective lens assembly can be separated. The problem that the CCD sensor 6 and the objective lens assembly 7 cannot be separated manually is solved, the splitting difficulty is reduced, and the operation safety is greatly improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. An objective lens assembly of an optical endoscope and a CCD sensor are separated, the device is characterized by comprising a base, a supporting groove is formed above the right side of the base, and a fixing nut vertical to the base is fixed in the supporting groove; a screw rod is radially penetrated in the fixed nut and is in threaded fit with the fixed nut; the left end of the screw rod is provided with a movable clamp body, the right side of the movable clamp body is formed with a fixed groove corresponding to the left end of the screw rod, the fixed groove is communicated with the lower end of the movable clamp body, and the left end of the screw rod is clamped in the fixed groove and is in rotating fit with the fixed groove; the lower end of the movable clamp body is fixed with a moving block; a movable groove corresponding to the movable block is formed on the base, and the movable block is arranged in the movable groove and is in sliding fit with the movable groove; a triangular separation block is further mounted above the movable clamp body, and the vertex angle end of the triangular separation block faces the left end of the base; the upper end of the movable clamp body is also provided with a first fixing hole, and the upper end of the triangular separation block is provided with a first through hole corresponding to the first fixing hole; a first fixing bolt penetrates through the first through hole and is fixed with the first fixing hole through threads; two support columns which are symmetrical in front and back are further installed above the left side of the base, and an annular support groove is formed in the center of each support column.

2. The apparatus for separating an objective lens assembly and a CCD sensor of an optical endoscope as claimed in claim 1, wherein the left end of the screw rod is further formed with a fixing protrusion, and the fixing protrusion is a cylindrical protrusion and is coaxial with the screw rod; the inside left side of fixed slot still the shaping has the fixed slot corresponding with fixed lug, and fixed slot's upper end is semi-circular and coaxial with fixed lug, and the left side of lead screw stretches into in the fixed slot and through fixed lug and fixed slot joint.

3. The apparatus for separating an objective lens assembly from a CCD sensor of an optical endoscope according to claim 1, wherein a second fixing hole is further formed at an upper end of a left side of the base, and a second through hole corresponding to the second fixing hole is formed in the supporting column; and a second fixing bolt penetrates through the second through hole and is fixed with the second fixing hole through threads.

4. The apparatus for separating an objective lens assembly and a CCD sensor of an optical endoscope as claimed in claim 1, wherein a hand-operated handle is further fixed to the right end of the screw rod, and the hand-operated handle is welded to the right end of the screw rod.

5. The apparatus as claimed in claim 1, wherein the base further has symmetrical mounting holes formed at its upper end, the mounting holes being countersunk and extending through to the lower end of the base.

6. The apparatus for separating an objective lens assembly from a CCD sensor of an optical endoscope according to claim 1, wherein the base is formed with a first chamfer at a left upper end thereof; a second chamfer is formed above the right side of the movable clamp body.