CN213910120U

CN213910120U - Endoscope camera and endoscope camera system

Info

Publication number: CN213910120U
Application number: CN202022311805.1U
Authority: CN
Inventors: 曾强; 石强勇
Original assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd
Current assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-08-10
Anticipated expiration: 2030-10-16

Abstract

The utility model provides an endoscope camera and endoscope camera system, the endoscope camera includes handle, chip module and optical module, the chip module includes the casing, chip module and regulating part, the casing is installed in the holding intracavity of handle, chip module installs in the casing, the casing has light inlet end, light inlet end is equipped with light inlet, the chip module is used for truning into the light signal into the signal of telecommunication, on the regulating part sets up the casing, the regulating part is used for radially adjusting the chip module. Because the chip module is equipped with the regulating part, the radial position between optical component and the chip subassembly can be adjusted to the regulating part for optical component aligns along the axial with the chip subassembly. This endoscope camera and endoscope camera system pass through the setting of regulating part for optical assembly and chip subassembly can realize the axial alignment through radial regulation, correct the eccentric problem of formation of image, improve the imaging quality.

Description

Endoscope camera and endoscope camera system

Technical Field

The utility model relates to an internal diagnostic instrument, concretely relates to endoscope camera and endoscope camera system.

Background

The hard tube endoscope is mainly used for diagnosing and/or treating the focus of natural cavity in superficial and superficial body surface and cavity through puncture, such as cystoscope and hysteroscope, and is not bent during operation.

The hard tube endoscope mainly comprises a camera, a light source, a light guide beam, a hard tube endoscope, an optical bayonet, a camera host and a display. The camera comprises components such as an optical module and a chip module, the components in the camera need to be aligned and installed along an optical axis, but installation errors exist among the components, so that the optical assembly and the chip assembly are not aligned, and an imaging eccentric effect is caused.

SUMMERY OF THE UTILITY MODEL

An embodiment provides an endoscopic camera, comprising:

the handle is provided with an accommodating cavity, and one end of the handle is provided with an opening communicated with the accommodating cavity;

the chip module comprises a shell, a chip assembly and an adjusting piece, wherein the shell is arranged in the accommodating cavity of the handle, the chip assembly is arranged in the shell, the shell is provided with a light inlet end, the light inlet end is provided with a light inlet, and the chip assembly is used for converting an optical signal into an electric signal;

the optical module comprises a lens barrel and an optical assembly, the optical assembly is arranged in the lens barrel, the lens barrel is provided with a light outlet end, and the light outlet end of the lens barrel is connected with the light inlet end of the shell;

the adjusting piece is arranged on the shell and used for radially adjusting the chip assembly.

In one embodiment, the adjusting member includes an adjusting rod, the housing and/or the lens barrel is provided with an adjusting hole, the adjusting rod is inserted into the adjusting hole, and the adjusting rod is used for adjusting and fixing the radial position of the chip assembly and/or the optical assembly.

In one embodiment, the light inlet end of the shell is provided with a first connecting part, and the light outlet end of the lens cone is provided with a second connecting part; the adjusting rods are arranged in the first adjusting holes and the second adjusting holes and are used for fixing the first connecting parts and the second connecting parts; the inner diameter of the first adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the second adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameter of the second adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the first adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameters of the two adjusting holes are larger than the outer diameter of the adjusting rod.

In one embodiment, the light inlet end of the shell is provided with an adjusting seat; the adjusting seat is provided with a first connecting part, and the light-emitting end of the lens cone is provided with a second connecting part; the first connecting part is provided with a first adjusting hole, and the second connecting part is provided with a second adjusting hole; the adjusting rods are arranged in the first adjusting holes and the second adjusting holes and are used for fixing the first connecting parts and the second connecting parts; the inner diameter of the first adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the second adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameter of the second adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the first adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameters of the two adjusting holes are larger than the outer diameter of the adjusting rod.

In one embodiment, the light inlet end of the shell is provided with a mounting hole, and one end of the adjusting seat is axially adjustably mounted in the mounting hole of the shell.

In one embodiment, a fixing screw is disposed on the housing, and the fixing screw fixes one end of the adjusting seat to the housing.

In one embodiment, a front cover is installed at an opening of the accommodating cavity of the handle, a through hole is formed in the middle of the front cover, and the lens cone penetrates through the through hole of the front cover; the axial inner side surface of the front cover is provided with a screw hole, the adjusting rod is a screw rod or a screw, and the adjusting rod is connected in the screw hole of the front cover.

In one embodiment, the light inlet end of the shell is provided with an adjusting seat and a mounting hole, and one end of the adjusting seat is mounted in the mounting hole of the shell; the outer diameter of one end of the adjusting seat is smaller than the inner diameter of the mounting hole of the shell, at least three adjusting holes are formed in one circumference of the light inlet end of the shell, and one adjusting rod is installed on each adjusting hole.

In one embodiment, the adjusting hole is a threaded hole, the adjusting rod is a screw or a screw, and the end of the adjusting rod penetrates through the adjusting hole and abuts against one end of the adjusting seat.

In one embodiment, a gasket is arranged between the end of the adjusting rod and the adjusting seat.

An embodiment provides an endoscopic camera, comprising:

the chip module comprises a shell and a chip assembly, the shell is arranged in the accommodating cavity of the handle, the chip assembly is arranged in the shell, the shell is provided with a light inlet end, the light inlet end is provided with a light inlet, and the chip assembly is used for converting an optical signal into an electric signal;

the optical module comprises a lens barrel, an optical component and an adjusting piece, the optical component is arranged in the lens barrel, the lens barrel is provided with a light outlet end, and the light outlet end of the lens barrel is connected with the light inlet end of the shell;

the adjusting piece is arranged on the lens barrel and used for radially adjusting the optical assembly.

In one embodiment, the light inlet end of the shell is provided with a first connecting part, and the light outlet end of the lens cone is provided with a second connecting part; the first connecting part is provided with a first adjusting hole, and the second connecting part is provided with a second adjusting hole; the adjusting rods are arranged in the first adjusting holes and the second adjusting holes and are used for fixing the first connecting parts and the second connecting parts; the inner diameter of the first adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the second adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameter of the second adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the first adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameters of the two adjusting holes are larger than the outer diameter of the adjusting rod.

In one embodiment, the light-emitting end of the lens barrel is provided with an adjusting seat; the adjusting seat is provided with a first connecting part, and the light inlet end of the shell is provided with a second connecting part; a first adjusting hole is formed in the circumference of the first connecting part, and a second adjusting hole is formed in the second connecting part; the inner diameter of one of the first adjusting hole and the second adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the other adjusting hole is larger than the outer diameter of the adjusting rod, or the inner diameters of the two adjusting holes are larger than the outer diameter of the adjusting rod; the adjusting rod is arranged in the first adjusting hole and the second adjusting hole and used for fixing the first connecting portion and the second connecting portion.

In one embodiment, the outer diameter of the optical assembly is smaller than the inner diameter of the lens barrel, at least three adjusting holes are formed in one circumference of the lens barrel, one adjusting rod is installed on each adjusting hole, the adjusting holes are threaded holes, the adjusting rods are screws or bolts, and the end portions of the adjusting rods penetrate through the adjusting holes and abut against the optical assembly.

In one embodiment, the optical assembly includes a lens holder and a lens group, the lens holder is a cylindrical structure, the lens group is installed in the lens holder, and the end of the adjusting rod abuts against the outer circumferential surface of the lens holder.

In one embodiment, a spacer is provided between the end of the adjustment lever and the outer circumferential surface of the lens holder.

An embodiment provides an endoscopic camera, comprising:

the lens barrel is characterized in that a mounting hole is formed in one end, facing the lens barrel, of the shell, one end of the lens barrel is arranged in the mounting hole of the shell, and a gap for radial adjustment and mounting is formed between the shell and the lens barrel.

In one embodiment, the shell and the lens barrel are fixed by gluing or screws.

In one embodiment, the housing is provided with a threaded hole, the screw is fixed to the threaded hole of the housing, an end of the screw abuts against an outer circumferential surface of the lens barrel, and a gasket is provided between the end of the screw and the outer circumferential surface of the lens barrel.

In one embodiment, an endoscope camera is provided, comprising:

the lens barrel is characterized in that a mounting part is arranged at one end, facing the lens barrel, of the shell, the mounting part of the shell is arranged in the lens barrel, and a gap for radial adjustment and mounting is formed between the mounting part of the shell and the lens barrel.

In one embodiment, the mounting portion of the housing and the lens barrel are fixed by gluing or screws.

In one embodiment, the lens barrel is provided with a threaded hole, the screw is fixed on the threaded hole of the lens barrel, the end of the screw abuts against the mounting part of the housing, and a gasket is arranged between the end of the screw and the mounting part of the housing.

The utility model provides an embodiment provides an endoscope camera system, includes light source, leaded light beam, endoscope, optics bayonet socket, communication cable, camera host computer, display, video connecting wire and endoscope camera, the light source pass through leaded light beam with the endoscope is connected, the one end of endoscope camera is passed through the optics bayonet socket with the endoscope is connected, the other end of endoscope camera passes through the communication cable with the camera host computer is connected, the camera host computer passes through the video connecting wire with the display is connected.

According to the endoscope camera and the endoscope camera system of the above embodiments, since the chip module is provided with the adjusting piece, the adjusting piece can adjust the radial position between the optical component and the chip component, so that the optical component and the chip component are aligned along the axial direction. This endoscope camera and endoscope camera system pass through the setting of regulating part for optical assembly and chip subassembly can realize the axial alignment through radial regulation, correct the eccentric problem of formation of image, improve the imaging quality.

Drawings

FIG. 1 is a schematic diagram of an endoscopic camera system according to an embodiment;

FIG. 2 is a schematic view of an embodiment of an endoscope camera;

FIG. 3 is an axial cross-sectional view of an endoscope camera in one embodiment;

FIG. 4 is an exploded view of an embodiment of a chip module;

FIG. 5 is a diagram illustrating a chip module according to an embodiment;

FIG. 6 is an enlarged view of a portion of FIG. 3;

FIG. 7 is an axial cross-sectional view of an endoscope camera in one embodiment;

FIG. 8 is a schematic structural view of a stent according to an embodiment;

FIG. 9 is an axial cross-sectional view of a chip module according to an embodiment;

FIG. 10 is a radial cross-sectional view of a chip module in one embodiment;

FIG. 11 is an axial cross-sectional view of an optical module in one embodiment;

FIG. 12 is a radial cross-sectional view of an optical module in one embodiment;

FIG. 13 is an axial cross-sectional view of an endoscope camera in one embodiment;

FIG. 14 is a radial cross-sectional view of an endoscope camera head in one embodiment;

FIG. 15 is an axial cross-sectional view of an endoscope camera head in one embodiment;

FIG. 16 is a radial cross-sectional view of an endoscope camera head in one embodiment.

Detailed Description

Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

Referring to fig. 1, in one embodiment, an endoscopic imaging system 1000 is provided, where the endoscopic imaging system 1000 includes a light source 10, a light guide 20, a hard-tube endoscope 30, an optical bayonet 40, an endoscopic camera 50, a communication cable 81, an imaging host 60, a display 70, and a video connection line 82. The main imaging unit 60 is connected to the endoscope camera 50 via a communication cable 81, and an image signal obtained by the endoscope camera 50 is transmitted to the main imaging unit 60 via the communication cable 81 and processed. In certain embodiments, the communication cable 81 may be an optical communication cable, such as an optical fiber; the endoscope camera 50 converts an image signal (electrical signal) into an optical signal, and transmits the optical signal to the main camera 60 via the communication cable 81, and the main camera 60 converts the optical signal into an electrical signal. The camera host 60 is connected to the display 70 through a video connection line 82, and is configured to transmit a video signal to the display 70 for displaying. It should be understood by those skilled in the art that fig. 1 is merely an example of an endoscopic camera system 1000 and does not constitute a limitation of the endoscopic camera system 1000, and that the endoscopic camera system 1000 may include more or less components than those shown in fig. 1, or some components in combination, or different components, e.g., the endoscopic camera system 1000 may further include a dilator, smoke control, input-output device, network access device, etc.

The light source 10 is used to provide an illumination source to the site to be observed 100. The illumination light source includes a visible light illumination light source and a laser illumination light source (e.g., near infrared light) corresponding to a fluorescent reagent. Light source 10 includes, but is not limited to, a laser light source, an LED light source, or a laser diode.

In the present embodiment, the light source 10 includes a visible light source and a laser light source corresponding to a fluorescent reagent. The visible light source is an LED light source. In one embodiment, the visible light source can provide a plurality of monochromatic lights in different wavelength ranges, such as blue light, green light, red light, and the like. In other embodiments, the visible light source may also provide a combination of the plurality of monochromatic lights, or a broad spectrum white light source. The wavelength range of the monochromatic light is approximately 400nm to 700 nm. The laser light source is used for generating laser light. The laser light is, for example, Near Infrared (NIR). The peak wavelength of the laser takes at least any 1 value in the range of 780nm or 808 nm.

Since the light source 10 can simultaneously provide continuous visible light and laser light corresponding to the fluorescent reagent to the portion to be observed, the collection efficiency of the camera 50 for the visible light image signal and the fluorescent image signal reflected by the portion to be observed 100 is improved.

Wherein a contrast agent, such as Indocyanine Green (ICG), is introduced intravenously or subcutaneously in the site 100 to be observed prior to imaging using the endoscopic camera system 1000, in order to image tissue structures and functions (e.g., blood/lymph/bile in vessels) that are not readily visible using standard visible light imaging techniques. Sites to be observed 100 include, but are not limited to, the blood circulation system, the lymphatic system, and tumor tissue. ICG is commonly known as indocyanine green, a diagnostic green needle, indocyanine green, which is a commonly used contrast agent in clinical diagnosis of cardiovascular system diseases at present, and is widely used in choroidal and retinal vessel imaging. The contrast agent in the region 100 to be observed may generate fluorescence when it absorbs the laser light corresponding to the fluorescent agent generated by the laser light source.

In one embodiment, an endoscopic camera 50 is provided, which is described herein as a hard-tube endoscopic camera, which may also be used on soft lenses.

Referring to fig. 2 and 3, the endoscope camera of the present embodiment includes a handle 1, a chip module 2, an optical module 3, and a handwheel 4.

Handle 1 has the function of holding components and parts and gripping, and handle 1 has holding chamber 11, and the both ends of handle 1 have the opening with holding chamber 11 intercommunication, and the opening at handle 1 both ends is used for connecting communication cable 81 and optical module 3 respectively. The handle 1 is internally provided with the chip module 2, the handle 1 is also provided with a button assembly 12, and the button assembly 12 is connected with the chip module 2 through a cable. The doctor can hold the handle 1 by hand and operate the endoscope camera to image and detect through the button assembly 12. Handle 1 is close to the one end of hand wheel 4 and is equipped with protecgulum 5, and the middle part of protecgulum 5 has the through-hole, and protecgulum 5 lid dress is on the opening of handle 1, and protecgulum 5 is used for installing chip module 2 and optical module 3 in the holding chamber 11 of handle 1.

The chip module 2 comprises a shell 21, a chip assembly 22 and a regulating part 23, wherein the chip assembly 22 is installed in the shell 21, the chip assembly 22 comprises a sensor, a processor and other parts, the sensor is an optical sensor and is used for converting an optical signal into an electric signal, the sensor is used for amplifying, filtering and other processing the electric signal output by the sensor, and the processor transmits the electric signal after processing to the host 60 for further processing through a communication cable 81. The one end of casing 21 orientation protecgulum 5 is for advancing the light end, and the light end that advances of casing 21 has into light mouth 211, and the sensor of chip subassembly 22 aligns with into light mouth 211 and sets up, still is equipped with the wire guide on the casing 21, and communication cable 81 can pass through the wire guide of casing 21 and extend to and be connected with the treater in the casing 21.

Referring to fig. 4 and 5, the light inlet end of the housing 21 is further provided with an adjusting seat 24, the light inlet end of the housing 21 is provided with a mounting hole, the adjusting seat 24 is a cylindrical structure, one end of the adjusting seat 24 is inserted into the mounting hole of the housing 21, the other end of the adjusting seat 24 is provided with a radial convex ring, and an axial end surface of the convex ring abuts against an end surface of the light inlet end of the housing 21 to perform an axial limiting function. The adjusting seat 24 can be axially adjusted and mounted relative to the housing 21, the housing 21 is provided with a threaded hole 212, a fixing screw 213 is mounted in the threaded hole 212, the end of the fixing screw 213 passes through the threaded hole 212 and abuts against the outer wall of the adjusting seat 24, and the fixing screw 213 locks the adjusting seat 24 in the housing 21. After the fixing screws 213 are loosened, the adjusting seat 24 can move axially relative to the adjusting seat 24, and then the axial position of the adjusting seat 24 can be adjusted to a preset position in the installation process and then locked by the fixing screws 213, so that the accuracy of the axial position of the chip assembly 22 and the optical module 3 is improved, and the focusing of the chip assembly 22 is more accurate.

One end of the adjusting seat 24 exposed out of the housing 21 is provided with a first connecting portion 241 protruding in a radial direction, preferably, two symmetrical first connecting portions 241 are provided, and the two first connecting portions 241 are respectively provided with an axial first adjusting hole 242.

Referring to fig. 3 and 6, the optical module 3 includes a lens barrel 31 and an optical assembly 32, the optical assembly 32 is fixedly mounted in the lens barrel 31, the optical assembly 32 includes a plurality of lenses, and the optical assembly 32 is used for transmitting the imaging light to the chip assembly 22. The optical component 32 can also be axially adjusted and installed in the lens barrel 31, the lens barrel 31 is sleeved with the hand wheel 4, the hand wheel 4 penetrates through the lens barrel 31 through a connecting piece to be connected with the optical component 32, and further the axial movement of the optical component 32 can be realized by rotating the hand wheel, namely, the optical zooming can be realized.

The lens barrel 31 has a light inlet end and a light outlet end, and one end of the lens barrel 31 facing the chip module 2 is the light outlet end. The outer circumferential edge of the light-emitting end of the lens barrel 31 is provided with two radially protruding second connecting portions 311, the two second connecting portions 311 are symmetrical, two second adjusting holes 312 are respectively arranged on the two second connecting portions 311, and the second adjusting holes 312 correspond to the first adjusting holes 242 one by one.

Two threaded holes are formed in the axial inner side face of the front cover 5, the light emitting end of the lens barrel 31 is inserted into the through hole of the front cover 5, the second connecting portion 311 of the lens barrel 31 is attached to the inner side face of the front cover 5, the first connecting portion 241 of the adjusting seat 24 is attached to the second connecting portion 311 of the lens barrel 31, and the first adjusting hole 242, the second adjusting hole 312 and the threaded holes of the front cover 5 are aligned in three holes.

The adjusting member 23 is an adjusting rod, and is specifically a screw structure, the adjusting member 23 sequentially passes through the first adjusting hole 242 of the first connecting portion 241 and the second adjusting hole 312 of the second connecting portion 311 to be connected with the threaded hole of the front cover 5, the adjusting member 23 locks the adjusting seat 24 and the lens barrel 31 on the front cover 5, and then the chip module 2 and the optical module 3 are fixed on the handle 1.

The first adjusting hole 242 of the first connecting portion 241 has an inner diameter larger than the outer diameter of the adjusting member 23, and the second adjusting hole 312 of the second connecting portion 311 has an inner diameter equal to or slightly larger than the outer diameter of the adjusting member 23. The first adjusting hole 242 has a clearance for radial movement relative to the adjusting member 23, so that when the adjusting member 23 is loosened, the radial position of the adjusting seat 24 relative to the lens barrel 31 can be adjusted, and when the adjusting chip assembly 22 is axially aligned with the optical assembly 32, the adjusting seat 24 is locked and fixed by the adjusting member 23.

In this embodiment, the inner diameter of the first adjusting hole 242 is larger than the outer diameter of the adjusting member 23 to achieve radial adjustment, so that the chip assembly 22 and the optical assembly 32 can be axially aligned by radial adjustment, the imaging eccentricity problem is corrected, and the imaging quality is improved.

In other embodiments, the inner diameter of the second adjusting hole 312 is larger than the outer diameter of the adjusting member 23, and the axial alignment of the chip assembly 22 and the optical assembly 32 can be adjusted by adjusting the radial position of the lens barrel 31 relative to the adjusting seat 24. Alternatively, setting the inner diameters of the first and second adjusting holes 242 and 312 to be larger than the outer diameter of the adjusting member 23, and adjusting the radial positions of both the lens barrel 31 and the adjusting seat 24, can also achieve the adjustment of the axial alignment of the chip assembly 22 and the optical assembly 32.

In other embodiments, lens barrel 31 is provided with additional radial protrusions for fixed mounting, which are provided with through holes, lens barrel 31 is fixed to front cover 5 by screws, and adjustment member 23 is used to lock adjustment seat 24 to lens barrel 31. The second adjusting hole 312 is a threaded hole, the inner diameter of the first adjusting hole 242 is larger than the outer diameter of the adjusting member 23, the adjusting member 23 locks the adjusting seat 24 on the lens barrel 31 through threaded connection with the second adjusting hole 312, the radial position of the adjusting seat 24 relative to the lens barrel 31 can also be adjusted, and the lens barrel 31 and the adjusting seat 24 are fixed on the front cover 5.

In one embodiment, an endoscope camera is provided, which differs from the above-described embodiments in that: adjustment seat 24 is omitted and housing 21 is directly connected to lens barrel 31.

In this embodiment, two radially protruding first connecting portions 241 are disposed on the outer circumferential edge of the light inlet end of the housing 21, and the first connecting portions 241 have first adjusting holes 242. The adjuster 23 fixes the housing 21 and the lens barrel 31 to the front cover 5. Since the housing 21 is provided with the first adjusting hole 242 having an inner diameter larger than that of the adjusting member 23, the axial alignment between the chip assembly 22 and the optical assembly 32 can be adjusted by adjusting the radial position of the housing 21.

In one embodiment, an endoscopic camera is provided, differing from the above-described embodiments in that: the light inlet end of the housing 21 is provided with a bracket 25, and the bracket 25 replaces the adjusting seat 24 to realize axial alignment adjustment.

Referring to fig. 7 and 8, in an embodiment, the existing bracket 25 in the endoscope camera is used as an adjusting seat, and an additional adjusting seat is not required, so that the cost can be saved. The bracket 25 is used to mount the housing 21 on the front cover 5. The bracket 25 is of an L-shaped structure, the bracket 25 includes a first connecting portion 251 and a supporting portion 252 perpendicular or nearly perpendicular to each other, the first connecting portion 251 is provided with a first adjusting hole 242, and the first adjusting hole 242 is used for installing the adjusting member 23. The housing 21 is fixed to the support portion 252 of the bracket 25 by screws.

The adjusting member 23 is screwed to the front cover 5 through a first adjusting hole 242 of the bracket 25 and a second adjusting hole 312 of the lens barrel 31. The inner diameter of the first adjusting hole 242 is larger than the outer diameter of the adjusting member 23, so that the axial alignment of the chip assembly 22 relative to the optical assembly 32 can be adjusted by adjusting the radial position of the bracket 25 relative to the lens barrel 31.

In one embodiment, an endoscopic camera is provided, differing from the above-described embodiments in that: the adjustment member 23 is used to adjust the radial position between the housing 21 and the adjustment seat 24, and thus the axial alignment between the chip assembly 22 and the optical assembly 32.

Referring to fig. 9, in the present embodiment, the light emitting end of the lens barrel 31 and the adjusting seat 24 are fixed on the front cover 5 by screws, and the lens barrel 31 is fixed relative to the adjusting seat 24, and cannot be adjusted and installed therebetween. The outer diameter of one end of the adjusting seat 24 is smaller than the inner diameter of the mounting hole of the light inlet end of the shell 21, and the adjusting seat 24 has a space for radial movement relative to the shell 21. The light inlet end of the housing 21 is provided with at least three adjusting holes 214 uniformly distributed on a circumference, the adjusting holes are threaded holes, and the adjusting member 23 is a screw or a bolt. An adjusting piece 23 is installed in each adjusting hole 214 of the shell 21, and one end of the adjusting piece 23 abuts against the outer side surface of the adjusting seat 24. The adjusting elements 23 are screwed into the housing 21 with different depths of the adjusting holes to adjust the radial position of the adjusting seats 24, so that the chip assembly 22 can be adjusted to be aligned with respect to the optical assembly 32.

In one embodiment, referring to fig. 10, the adjusting members 23 are mounted on the housing 21, a gasket 215 is disposed between an end of each adjusting member 23 and an outer wall of the adjusting seat 24, and the gasket 215 is used to increase a contact area between the adjusting member 23 and the adjusting seat 24, modify a point contact between the adjusting member 23 and the adjusting seat 24 into a surface contact, improve a stress between the adjusting member 23 and the adjusting seat 24, and enable the adjusting member 23 to be adjusted more accurately.

In this embodiment, the optical module 3 is fixedly mounted, and the radial position of the chip component 22 in the chip module 2 is separately adjusted, so as to achieve alignment adjustment with the optical component 32.

In one embodiment, an endoscope camera is provided, which differs from the above-described embodiments in that: the adjusting member 23 is a part of the optical module 3, and the adjusting mount 24 is mounted on the lens barrel 31.

Referring to fig. 11, in the present embodiment, the optical module 3 includes a lens barrel 31, an optical assembly 32 and an adjusting member 23, one end of an adjusting seat 24 is inserted into the light emitting end of the lens barrel 31, and the adjusting seat 24 can be axially adjusted and fixed relative to the lens barrel 31. Be equipped with the screw hole on lens cone 31, the threaded hole is downthehole to be installed set screw, and set screw's tip extends to and leans on the lateral wall of adjusting seat 24 in lens cone 31, will adjust seat 24 locking.

The adjusting seat 24 has a first connecting portion 241, the outer circumferential edge of the light inlet end of the housing 21 is provided with two radially protruding second connecting portions 311, and the second connecting portions 311 have an axial second adjusting hole 312. Wherein the inner diameter of the second adjusting hole 312 is larger than the outer diameter of the adjusting member 23, and the adjusting member 23 in turn fixes the housing 21 and the adjusting seat 24 on the front cover 5.

Similarly, the inner diameter of the first adjusting hole 242 provided in the first connecting portion 241 is larger than the outer diameter of the adjusting member 23, or the inner diameters of the first adjusting hole 242 and the second adjusting hole 312 are both larger than the outer diameter of the adjusting member 23, so that the chip assembly 22 and the optical assembly 32 can be adjusted to be axially aligned.

In one embodiment, an endoscope camera is provided, which differs from the above-described embodiments in that: the adjusting member 23 is used to adjust the radial position between the optical assembly 32 and the lens barrel 31, and thus the axial alignment between the chip assembly 22 and the optical assembly 32.

In this embodiment, lens barrel 31 and housing 21 are fixed to front cover 5 by screws, and lens barrel 31 and housing 21 are fixed relative to each other and cannot be adjusted in the radial direction. The optical assembly 32 includes a lens holder 321 and a lens group 322, the lens holder 321 is a cylindrical structure, the lens group 322 includes a plurality of lenses, and the lens group 322 is fixedly mounted in the lens holder 321. The outer diameter of lens holder 321 is smaller than the inner diameter of lens barrel 31, and lens holder 321 has a space for radial movement with respect to lens barrel 31.

At least three adjusting holes 311 are formed in one circumference of the lens barrel 31, the adjusting holes 311 are threaded holes, and the adjusting member 23 is a screw or a screw. Each adjusting hole 311 of the lens barrel 31 is installed with an adjusting piece 23, and one end of the adjusting piece 23 abuts against the outer side surface of the lens seat 321. The adjusting piece 23 is screwed into the lens barrel 31 with different depths of the adjusting hole to adjust the radial position of the lens seat 321, so as to adjust the axial alignment of the optical assembly 32 relative to the chip assembly 22.

In one embodiment, referring to fig. 12, the lens barrel 31 is provided with the adjusting members 23, a gasket 215 is disposed between an end of each adjusting member 23 and an outer wall of the lens seat 321, and the gasket 215 is used to increase a contact area between the adjusting member 23 and the lens seat 321, modify a point contact between the adjusting member 23 and the lens seat 321 into a surface contact, improve a stress between the adjusting member 23 and the lens seat 321, and enable the adjusting member 23 to be adjusted more accurately.

In one embodiment, an endoscope camera is provided, which includes at least two adjustment modes, such as lens barrel 31 having adjustment member 23 mounted thereon, and adjustment member 23 mounted between lens barrel 31 and housing 21. The adjusting part 23 on the lens barrel 31 is used for adjusting the radial position of the optical assembly 32 and the lens barrel 31, the adjusting part 23 between the lens barrel 31 and the shell 21 is used for adjusting the radial position of the shell 21 relative to the lens barrel 31, both adjusting modes can independently realize the axial alignment of the adjusting chip assembly 22 and the optical assembly 32, and the two adjusting modes coexist, so that the axial alignment of the adjusting chip assembly 22 and the optical assembly 32 can be more efficiently adjusted.

In one embodiment, an endoscope camera is provided, which differs from the above-described embodiments in that: the housing 21 of the chip module 20 and the lens barrel 31 of the optical module 30 are directly connected together in a radially adjustable manner.

Referring to fig. 13, a mounting hole is formed at an end of housing 21 facing lens barrel 31, an end of lens barrel 31 is inserted into the mounting hole of housing 21, and an inner diameter of the mounting hole is slightly larger than an outer diameter of the end of lens barrel 31, so that a radially adjustable gap is formed between lens barrel 31 and the mounting hole of housing 21.

In one embodiment, after the end of lens barrel 31 is aligned with the mounting hole of housing 21 during the mounting process, a fixing adhesive is driven between lens barrel 31 and the mounting hole of housing 21, and lens barrel 31 and housing 21 are fixed by the fixing adhesive.

Referring to fig. 14, in an embodiment, a plurality of adjusting holes are formed in the housing 21, each adjusting hole is provided with an adjusting member 23, the adjusting members 23 are screws or bolts, and the adjusting holes are threaded holes. The end of the regulating member 23 abuts on the outer circumferential surface of the lens barrel 31. Moreover, a spacer 215 is arranged between the end of the adjusting piece 23 and the lens barrel 31, and the spacer 215 is used for increasing the contact area between the adjusting piece 23 and the lens barrel 31, modifying the point contact between the adjusting piece 23 and the lens barrel 31 into surface contact, improving the stress between the adjusting piece 23 and the lens barrel 31, and enabling the adjustment of the adjusting piece 23 to be more accurate.

Referring to fig. 15, a cylindrical mounting portion is disposed at an end of housing 21 facing lens barrel 31, the mounting portion of housing 21 is inserted into an end of lens barrel 31, and an inner diameter of lens barrel 31 is slightly larger than an outer diameter of the mounting portion of housing 21, so that a radially adjustable gap is formed between lens barrel 31 and the mounting portion of housing 21.

In one embodiment, after the mounting portion of housing 21 is aligned with respect to lens barrel 31 during the mounting process, a fixing adhesive is injected between the mounting portion of housing 21 and lens barrel 31, and lens barrel 31 is fixed to housing 21 by the fixing adhesive.

Referring to fig. 16, in an embodiment, a plurality of adjusting holes are formed on the lens barrel 31, each adjusting hole is provided with an adjusting member 23, the adjusting members 23 are screws or bolts, and the adjusting holes are threaded holes. The end of the adjuster 23 abuts on the outer circumferential surface of the mounting portion of the housing 21. Moreover, a gasket 215 is arranged between the end part of the adjusting piece 23 and the mounting part of the shell 21, the gasket 215 is used for increasing the contact area between the adjusting piece 23 and the mounting part of the shell 21, point contact between the adjusting piece 23 and the mounting part of the shell 21 is modified into surface contact, stress between the adjusting piece 23 and the mounting part of the shell 21 is improved, and the adjusting of the adjusting piece 23 can be more accurate.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. Variations of the above-described embodiments may be made by those skilled in the art, consistent with the principles of the invention.

Claims

1. An endoscopic camera, comprising:

2. The endoscope camera according to claim 1, wherein said adjusting member comprises an adjusting rod, said housing and/or said lens barrel is provided with an adjusting hole, said adjusting rod is inserted into said adjusting hole, said adjusting rod is used for adjusting and fixing the radial position of said chip assembly and/or said optical assembly.

3. The endoscope camera according to claim 2, wherein the light-entering end of the housing is provided with a first connecting portion, and the light-exiting end of the lens barrel is provided with a second connecting portion; the first connecting part is provided with a first adjusting hole, and the second connecting part is provided with a second adjusting hole; the adjusting rods are arranged in the first adjusting holes and the second adjusting holes and are used for fixing the first connecting parts and the second connecting parts; the inner diameter of the first adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the second adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameter of the second adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the first adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameters of the two adjusting holes are larger than the outer diameter of the adjusting rod.

4. The endoscopic camera according to claim 2, wherein said light intake end of said housing is provided with an adjustment seat; the adjusting seat is provided with a first connecting part, and the light-emitting end of the lens cone is provided with a second connecting part; the first connecting part is provided with a first adjusting hole, and the second connecting part is provided with a second adjusting hole; the inner diameter of one of the first adjusting hole and the second adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the other adjusting hole is larger than the outer diameter of the adjusting rod, or the inner diameters of the two adjusting holes are larger than the outer diameter of the adjusting rod; the adjusting rod is arranged in the first adjusting hole and the second adjusting hole and used for fixing the first connecting portion and the second connecting portion.

5. The endoscope camera head of claim 4 wherein said light inlet end of said housing defines a mounting aperture and wherein one end of said adjustment mount is axially adjustably mounted within said mounting aperture of said housing.

6. The endoscopic camera according to claim 5, wherein a set screw is provided on said housing, said set screw fixing an end of said adjustment seat with said housing.

7. The endoscope camera according to claim 2, wherein a front cover is installed at an opening of the accommodating cavity of the handle, a through hole is formed in the middle of the front cover, and the lens cone is arranged in the through hole of the front cover in a penetrating manner; the axial inner side surface of the front cover is provided with a screw hole, the adjusting rod is a screw rod or a screw, and the adjusting rod is connected in the screw hole of the front cover.

8. The endoscope camera according to claim 2, wherein said light-entering end of said housing is provided with an adjusting seat and a mounting hole, one end of said adjusting seat being mounted in said mounting hole of said housing; the outer diameter of one end of the adjusting seat is smaller than the inner diameter of the mounting hole of the shell, at least three adjusting holes are formed in one circumference of the light inlet end of the shell, and one adjusting rod is installed on each adjusting hole.

9. The endoscope camera head of claim 8 wherein said adjustment aperture is a threaded aperture and said adjustment rod is a threaded rod or screw, the end of said adjustment rod passing through said adjustment aperture to abut against an end of said adjustment mount.

10. The endoscope camera head of claim 9 wherein a spacer is disposed between an end of said adjustment stem and said adjustment mount.

11. An endoscopic camera, comprising:

12. The endoscope camera according to claim 11, wherein said adjusting member comprises an adjusting rod, said housing and/or said lens barrel is provided with an adjusting hole, said adjusting rod is inserted into said adjusting hole, said adjusting rod is used for adjusting and fixing a radial position of said chip assembly and/or said optical assembly.

13. The endoscope camera according to claim 12, wherein the light-entering end of said housing is provided with a first connecting portion, and the light-exiting end of said lens barrel is provided with a second connecting portion; the first connecting part is provided with a first adjusting hole, and the second connecting part is provided with a second adjusting hole; the adjusting rods are arranged in the first adjusting holes and the second adjusting holes and are used for fixing the first connecting parts and the second connecting parts; the inner diameter of the first adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the second adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameter of the second adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the first adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameters of the two adjusting holes are larger than the outer diameter of the adjusting rod.

14. The endoscope camera according to claim 12, wherein the light exit end of said lens barrel is provided with an adjustment seat; the adjusting seat is provided with a first connecting part, and the light inlet end of the shell is provided with a second connecting part; a first adjusting hole is formed in the circumference of the first connecting part, a second adjusting hole is formed in the second connecting part, the adjusting rod is arranged in the first adjusting hole and the second adjusting hole, and the adjusting rod is used for fixing the first connecting part and the second connecting part; the inner diameter of the first adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the second adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameter of the second adjusting hole is matched with the outer diameter of the adjusting rod, and the inner diameter of the first adjusting hole is larger than the outer diameter of the adjusting rod; or the inner diameters of the two adjusting holes are larger than the outer diameter of the adjusting rod.

15. The endoscope camera according to claim 12, wherein a front cover is installed at an opening of the accommodating chamber of the handle, a through hole is formed in a middle portion of the front cover, and the lens barrel is inserted into the through hole of the front cover; the axial inner side surface of the front cover is provided with a screw hole, the adjusting rod is a screw rod or a screw, and the adjusting rod is connected in the screw hole of the front cover.

16. The endoscope camera according to claim 12, wherein an outer diameter of said optical assembly is smaller than an inner diameter of said lens barrel, at least three said adjusting holes are provided on a circumference of said lens barrel, one said adjusting rod is mounted on each said adjusting hole, said adjusting holes are threaded holes, said adjusting rods are screws or bolts, and an end portion of said adjusting rod passes through said adjusting holes to abut on said optical assembly.

17. The endoscopic camera according to claim 16, wherein said optical assembly comprises a lens holder and a lens group, said lens holder having a cylindrical configuration, said lens group being mounted in said lens holder, an end of said adjustment lever abutting against an outer circumferential surface of said lens holder.

18. The endoscopic camera according to claim 17, wherein a spacer is provided between an end of said adjustment lever and an outer circumferential surface of said lens holder.

19. An endoscopic camera, comprising:

20. The endoscope camera head of claim 19, wherein said housing and said lens barrel are fixed by gluing or screws.

21. The endoscope camera according to claim 20, wherein a screw hole is provided on the housing, the screw is fixed to the screw hole of the housing, an end of the screw abuts on an outer circumferential surface of the lens barrel, and a spacer is provided between the end of the screw and the outer circumferential surface of the lens barrel.

22. An endoscopic camera, comprising:

23. The endoscope camera head of claim 22, wherein said mounting portion of said housing and said barrel are fixed by gluing or screwing.

24. The endoscope camera head of claim 23, wherein said barrel has a threaded hole, said screw is fixed to said barrel threaded hole, an end of said screw abuts against said housing mounting portion, and a spacer is provided between said end of said screw and said housing mounting portion.

25. An endoscopic imaging system comprising a light source, a light guide bundle, an endoscope, an optical mount, a communication cable, a camera main unit, a display, a video connection line, and the endoscopic camera according to any one of claims 1 to 24, wherein the light source is connected to the endoscope through the light guide bundle, one end of the endoscopic camera is connected to the endoscope through the optical mount, the other end of the endoscopic camera is connected to the camera main unit through the communication cable, and the camera main unit is connected to the display through the video connection line.