阅读说明：本技术 一种可调显微图像偏心纠正接口装置 (Adjustable microscopic image eccentricity correction interface device ) 是由 柯重荣 张晓东 叶芝 于 2020-04-30 设计创作，主要内容包括：本发明涉及一种可调显微图像偏心纠正接口装置,包括C接口、锥形座、固定圈和调节圈；其中：固定圈和调节圈螺纹连接,并轴向把锥形座和C接口夹持在其间形成整体；而锥形座下端的偏心小圆口与调节圈上端相嵌套、调节圈下端外展偏心环与C接口相嵌套,锥形座的旋转借助偏心小圆口、以及调节圈的外展偏心环的相对转动,实现摄像机与显微镜光轴的偏心量的无级调节、偏心方向的任意可调、显示器图像方位相对于显微镜视场图像方向的任意可调,简化了调节接口的结构,降低了操作难度。(The invention relates to an adjustable microscopic image eccentricity correction interface device, which comprises a C interface, a conical seat, a fixing ring and an adjusting ring, wherein the C interface is connected with the conical seat; wherein: the fixed ring is in threaded connection with the adjusting ring, and the conical seat and the C interface are axially clamped between the fixed ring and the adjusting ring to form a whole; the eccentric small round mouth at the lower end of the conical seat is nested with the upper end of the adjusting ring, the flared eccentric ring at the lower end of the adjusting ring is nested with the C interface, and the rotation of the conical seat realizes the stepless adjustment of the eccentric amount of the optical axis of the camera and the microscope, the arbitrary adjustment of the eccentric direction and the arbitrary adjustment of the image orientation of the display relative to the image orientation of the microscope field of view by means of the relative rotation of the eccentric small round mouth and the flared eccentric ring of the adjusting ring, thereby simplifying the structure of the adjusting interface and reducing the operation difficulty.)

1. An adjustable microscopic image eccentric correction interface device comprises a C interface, a conical seat, a fixing ring and an adjusting ring; the method is characterized in that:

the lower end of the interface C is provided with an external thread and a circular flaring, and the interface C is rotatably connected to the front end of the camera lens by virtue of the external thread to form positioning;

the conical seat is provided with a large round opening at the upper end and an eccentric small round opening at the lower end, and a step surface is formed at the bottom of the large round opening; the conical seat is abutted against the upper end face of the C interface by virtue of the lower end face, and the outer conical surface can be clamped by the quick-release connector to form a quick-connection structure with the microscope end;

the upper end of the fixed ring is provided with an outward expansion ring, the lower end of the fixed ring is provided with an external thread section, and the fixed ring is abutted against the step surface of the conical seat by virtue of the outward expansion ring;

the upper end of the adjusting ring is provided with an internal thread which can be rotationally connected with the external thread section of the fixing ring, the lower end of the adjusting ring is provided with an outward-extending eccentric ring, the outward-extending eccentric ring is nested in a circular expansion opening of the C interface, and the upper end of the adjusting ring is nested in an eccentric small opening of the conical seat.

2. The adjustable microscopic image eccentricity correction interface device according to claim 1, characterized in that: the step surface at the bottom of the conical seat is retracted inwards, an inner ring is formed between the large round opening and the eccentric small round opening, and the inner ring is blocked between the outward expanding ring of the fixing ring and the top end of the adjusting ring.

3. The adjustable microscopic image eccentricity correction interface device according to claim 1 or 2, wherein: the retainer plate terminal surface is provided with the screw hole more than two to dispose the jackscrew, this jackscrew can contradict on the step face of toper seat, pins the position of retainer plate and toper seat.

4. The adjustable microscopic image eccentricity correction interface device according to claim 3, characterized in that: graduation scale lines are arranged on the circumferences of the upper end surfaces of the fixed ring and the conical seat.

5. The adjustable microscopic image eccentricity correction interface device according to claim 1, characterized in that: and a wave spring is arranged between the C interface and the axial contact surface of the outward extending eccentric ring of the adjusting ring and is used for eliminating the axial fit clearance and providing adjusting damping.

The technical field is as follows:

the invention belongs to the field of interface accessories of optical equipment, and particularly relates to an adjustable microscopic image eccentricity correction interface device which can be used for conveniently adjusting the image position of a display.

Background art:

in various types of microscope systems, the optical axis of a camera connected with an image interface and the optical axis of a microscope path cannot be completely coaxial, which causes the center of an image displayed on a display and the center of a view field of the microscope path to be not coaxial; the existing central error correction device adjusts the state of a prism in an image interface light path to ensure that the optical axis of a camera is coaxial with the optical axis of a microscope light path, and the adjusting mechanism needs to move to the prism in a light splitting light path, so that the structure is complex and the operation is difficult.

The invention content is as follows:

the invention aims to design an adjustable microscopic image eccentricity correction interface device which utilizes the relative rotation of two mutually nested eccentric parts to form coaxiality adjustment.

The technical scheme of the invention is realized as follows:

an adjustable microscopic image eccentric correction interface device comprises a C interface, a conical seat, a fixing ring and an adjusting ring; the method is characterized in that:

the lower end of the interface C is provided with an external thread and a circular flaring, and the interface C is rotatably connected to the front end of the camera lens by virtue of the external thread to form positioning;

the conical seat is provided with a large round opening at the upper end and an eccentric small round opening at the lower end, and a step surface is formed at the bottom of the large round opening; the conical seat is abutted against the upper end face of the C interface by virtue of the lower end face, and the outer conical surface can be clamped by the quick-release connector to form a quick-connection structure with the microscope end;

the upper end of the fixed ring is provided with an outward expansion ring, the lower end of the fixed ring is provided with an external thread section, and the fixed ring is abutted against the step surface of the conical seat by virtue of the outward expansion ring;

the upper end of the adjusting ring is provided with an internal thread which can be rotationally connected with the external thread section of the fixing ring, the lower end of the adjusting ring is provided with an outward-extending eccentric ring, the outward-extending eccentric ring is nested in a circular expansion opening of the C interface, and the upper end of the adjusting ring is nested in an eccentric small opening of the conical seat.

The step surface at the bottom of the conical seat is retracted inwards, an inner ring is formed between the large round opening and the eccentric small round opening, and the inner ring is blocked between the outward expanding ring of the fixing ring and the top end of the adjusting ring.

The retainer plate terminal surface is provided with the screw hole more than two to dispose the jackscrew, this jackscrew can contradict on the step face of toper seat, pins the position of retainer plate and toper seat.

Graduation scale lines are arranged on the circumferences of the upper end faces of the fixed ring and the conical seat.

And a wave spring is arranged between the C interface and the axial contact surface of the outward extending eccentric ring of the adjusting ring and is used for eliminating the axial fit clearance and providing adjusting damping.

The conical seat and the adjusting ring are in eccentric nested fit, stepless adjustment of the eccentricity of the camera and the optical axis of the microscope light path, arbitrary adjustment of the eccentric direction and arbitrary adjustment of the image orientation of the display relative to the image direction of the view field of the microscope light path are realized, the structure of an adjusting interface is simplified, and the operation difficulty is reduced.

Description of the drawings:

the invention is further illustrated with reference to the following specific figures:

FIG. 1 is a schematic diagram of an eccentric correction interface device for an adjustable microscopic image

FIG. 2 is a schematic cross-sectional view of an eccentric correction interface device for an adjustable microscopic image

FIG. 3 is an exploded cross-sectional view of an eccentric correction interface device for an adjustable microscopic image

FIG. 4 is an exploded view of an eccentric correction interface device for an adjustable microscopic image

Wherein

1-C interface 11-circular flaring 2-conical seat 21-large round mouth

22-eccentric small round mouth 23-step surface 24-inner ring 3-fixed ring

31-flared ring 4-adjusting ring 41-flared eccentric ring 5-wave spring

6-jackscrew 7-graduation scale line

The specific implementation mode is as follows:

referring to fig. 1 to 4, the adjustable microscopic image eccentricity correction interface device comprises a C interface 1, a conical seat 2, a fixing ring 3, an adjusting ring 4, a wave spring 5 and a jackscrew 6; wherein:

the C interface 1, the lower extreme has circular flaring 11 and processes and has the external screw thread, and circular flaring 11 provides radial fitting surface and axial conflict face, and forms the location at the front end of camera lens with the help of external screw thread swivelling joint, also the external screw thread of C interface 1 is standard interface, also is the connection image equipment end promptly.

The conical seat 2 is provided with a large round opening 21 at the upper end and an eccentric small round opening 22 at the lower end, a step surface 23 is formed at the bottom of the large round opening 21, the step surface 23 retracts inwards, and an inner ring 24 is formed between the large round opening 21 and the eccentric small round opening 22; the conical seat 2 is abutted against the upper end face of the C interface 1 by virtue of the lower end face, and the outer conical face can be clamped by the quick-release connector to form a quick-connection structure with the microscope end.

The upper end of the fixed ring 3 is provided with an outward expansion ring 31, the lower end of the fixed ring is provided with an external thread section which can be connected with the adjusting ring 4, and the fixed ring is abutted against the step surface 23 of the conical seat by virtue of the outward expansion ring 31;

the upper end of the adjusting ring 4 is provided with an internal thread which can be rotationally connected with the external thread section of the fixed ring 3, the lower end of the adjusting ring is provided with an outward-extending eccentric ring 41, the outward-extending eccentric ring 41 is nested in the circular flaring 11 of the C connector, the upper end of the adjusting ring 4 is nested in the small eccentric round opening 22 of the conical seat, and the top end of the adjusting ring 4 is blocked by the inner ring 24 with the outward-extending ring 31 of the fixed ring, so that the isolating function is formed, and the conical seat 2 can be clamped. The axial relation between the adjusting ring 4 and the C interface 1 can be changed by rotating and adjusting the conical seat 2.

And the wave spring 5 is arranged between the C interface 1 and the axial contact surface of the adjusting ring flared eccentric ring 41 and is used for eliminating the axial fit clearance and providing adjusting damping.

More than two screw holes 32 are arranged on the end face of the fixing ring 3, the jackscrew 6 is configured, the jackscrew 6 can be abutted against the step face 23 of the conical seat to lock the positions of the fixing ring 3 and the conical seat 2, namely when the coaxiality is adjusted to be in place, the locking can be realized through the jackscrew 6. The number of the jack screws 6 is preferably two to four, more preferably three.

Furthermore, in order to achieve accurate adjustment and adjustment reference, graduation scale lines 7 are arranged on the circumferences of the upper end faces of the fixing ring 3 and the conical seat 2.

The adjustment operating principle is as follows:

according to the structural relation of a figure 2, a conical seat 2, a C interface 1 and a wave spring 5 are sequentially sleeved on a fixed ring 3, then internal threads of an adjusting ring 4 are glued and screwed on the fixed ring 3, the relative positions of the conical seat 2 and the adjusting ring 4 are adjusted according to the eccentricity between a microscopic light path optical axis and a camera optical axis to enable the eccentricity to be the same as the eccentricity of the microscopic light path optical axis and the camera optical axis, then a jackscrew 6 on the end face of the fixed ring 3 is screwed, the adjusting ring 4, the conical seat 2 and the fixed ring 3 are locked, and the relative positions of the adjusting ring 4 and the conical seat 2 are fixed; then the device is put into the base of a microscope, the direction of the device in the base of a microscope system is rotated according to the eccentric direction between the optical axis of a microscope light path and the optical axis of a camera, so that the eccentric direction is opposite to the eccentric direction between the optical axis of the microscope light path and the optical axis of the camera, thereby realizing the eccentric correction, the optical axis of the camera is coaxial with the optical axis of the microscope light path, then the C interface 1 is rotated, the image direction of a display is the same as the image direction in the visual field of the microscope light path, finally the device is tightly propped against the conical surface of the conical seat 2 through a locking screw on the interface seat of the microscope system, the device is fixed on the microscope system, and simultaneously, the fixing ring 3, the adjusting ring 4, the waveform reed 5 and the C interface 1 are all tightly fixed on the flange surface of the interface seat of the microscope image by utilizing the axial component force generated by the contact of the head and the conical surface, namely, the microscopic image eccentricity correction operation is completed.