TWM589532U - Combination structure of endoscope lens and light source - Google Patents

Abstract

A combined structure of an endoscope lens and a light source includes: a first flexible circuit board, which is elongated, and takes one side of its length extension direction as an upper edge, and is upright, and the first flexible circuit board is at least Folded to form a lens mounting section facing forward and a first supporting section facing left and right, the upper side edge of the lens mounting section extends upward two limiting portions; a camera lens module is disposed on the front surface of the lens mounting section A second flexible circuit board bent at least to form a light source mounting section facing forward and a placement section facing up, the light source mounting section has an opening; and a light source module having at least one light emitting element, and It is arranged on the front surface of the light source installation section; wherein, the placement section is placed on the first support section and the lens installation section and is located between the two limiting portions, the light source installation section is located in front of the lens installation section, and the camera The lens module partially passes through the opening and partially protrudes from the front surface of the light source mounting section.

Description

Combined structure of endoscope lens and light source

This creation is related to endoscope lens, especially refers to a combined structure of endoscope lens and light source.

The conventional endoscope structure is mainly provided in a sleeve with a lens module at the front end of the sleeve, an illumination module provided at the periphery of the lens module, and a control circuit. The lens module mainly includes a Endoscope lens and an image sensor (such as Charge Couple Device, CCD for short) located behind the endoscope lens, and the illumination module is usually composed of multiple LED light sources, and each The light irradiated by the LED is directed to the shooting direction of the endoscope lens; thereby, the endoscope can be used to view the picture in front of the lens. Due to the small size and precise structure of the endoscope, in the COB (Chip on board) LED packaging process, it is easy to cause pollution to the image sensor and other parts; and if the raw material is encountered or the lighting module is damaged by the operation, it is difficult to correct It is reprocessed or repaired, which simultaneously consumes the photosensitive element and the lens, thereby increasing the wear rate of the parts.

In view of the above deficiencies, the main purpose of this creation is to provide a combined structure of an endoscope lens and a light source. The camera lens module and the light source module are respectively disposed on different flexible circuit boards, and the combined structure of the two flexible circuit boards Simple and stable, it can effectively reduce the consumption of parts caused by the assembly process.

In order to achieve the above purpose, the present invention provides a combined structure of an endoscope lens and a light source, which includes: a first flexible circuit board, which is elongated, with one side of its length extending direction as the upper edge and the other side as The bottom edge is upright, and the first flexible circuit board is bent at least to form a lens mounting section facing forward and a first support section located behind the lens mounting section and facing left and right, the upper side of the lens mounting section The rim extends upwards two limiting parts; a camera lens module is arranged on the surface of the lens mounting section facing forward, so that the shooting direction of the camera lens module faces forward; a second flexible circuit board is bent at least to face forward A light source installation section and a placement section located behind and facing upwards of the light source installation section, the light source installation section has an opening penetrating back and forth; and, a light source module has at least one light emitting element, and the light source module is provided The front surface of the light source mounting section, so that the illumination direction of the at least one light emitting element faces forward; wherein, the placement section is placed on the first support section and the lens mounting section to be mounted by the first support section and the lens The upper edge of the segment is supported, and the placement segment is located between and limited by the two limiting parts, the light source mounting segment is located in front of the lens mounting segment, and the camera lens module partially passes through the opening , So that the camera lens module part protrudes from the front surface of the light source mounting section.

Preferably, the first flexible circuit board is bent to form a first extension section facing the front and back and a second extension section facing the left and right, the first extension section is connected to the first support section and the A second extension section; the second extension section is connected to the first extension section and the lens mounting section at both ends thereof.

Preferably, the first flexible circuit board is bent to form a second support section facing the back and located between the first support section and the lens mounting section; wherein, the placement section is placed on the first support section, the The second support section and the lens mounting section are supported by the upper side edges of the first support section, the second support section, and the lens mounting section.

Preferably, the first flexible circuit board is bent to form a third extension section facing left and right, and the lens mounting section and the second support section are connected with both ends thereof.

Preferably, the second flexible circuit board is bent to form a connecting section, and the two ends are connected to the light source mounting section and the placing section, the connecting section is located behind the light source mounting section, and the connecting section is formed by the placing section A side edge near the front end extends outward and downward in an arc shape, and defines the side where the placement section connects the connection section as the left side, the connection section extends to the left of the camera lens module, and connects forward to the light source installation section The left edge.

Preferably, the camera lens module has an outer peripheral surface and a limiting convex portion extending outward from the outer peripheral surface. The limiting convex portion is disposed around the outer peripheral surface and located behind the light source installation section, so that The light source installation section is limited by the limiting convex part.

Preferably, a part of the periphery of the light source mounting section is in an arc shape and has a center of circle, and the opening is in a state of being eccentrically arranged with respect to the center of the circle.

Preferably, it further includes at least one side light-emitting element, the at least one side light-emitting element is disposed on the surface of the placement section facing upward, so that the irradiation direction of the at least one side light-emitting element faces upward.

Preferably, a hard board is further included, which is fixed on the rear-facing surface of the lens mounting section.

In order to explain in detail the structure and characteristics of this creation, here are the following preferred embodiments and the following description with the drawings, in which:

As shown in FIGS. 1 to 7, the combined structure 10 of an endoscope lens and a light source provided by the first preferred embodiment of the present invention includes: a first flexible circuit board 11, a camera lens module 21, A second flexible circuit board 31, a light source module 41 and a lateral light-emitting element 44.

The first flexible circuit board 11 has an elongated shape, with one side of the length extending direction as an upper edge and the other side as a lower edge, and is upright, and the first flexible circuit board 11 is bent to form a front facing A lens mounting section 12, a second extending section 13 located behind the lens mounting section 12 and facing left and right, a first extending section 14 located behind the lens mounting section 12 and facing forward and backward, and located at the lens mounting section 12 A first support section 15 at the rear and facing left and right, the first extension section 14 is connected to the first support section 15 and the second extension section 13 at both ends; the second extension section 13 is connected at the two ends to the The first extending section 14 and the lens mounting section 12; the upper side edge of the lens mounting section 12 extends upwards two limiting portions 16.

The camera lens module 21 is disposed on the front-facing surface of the lens mounting section 12 so that the shooting direction of the camera lens module 21 faces forward.

It should be added that in order to improve the mechanical strength of the lens mounting section 12, a hard plate 17 can be fixed on the rearward surface of the lens mounting section 12, thereby strengthening the camera lens module 21 to the lens mounting section The stability of 12.

The second flexible circuit board 31 is bent to form a light source mounting section 32 facing forward, a connecting section 33 located behind the light source mounting section 32, and a placement section 34 located behind the light source mounting section 32 and facing upward , The connecting section 33 connects the light source mounting section 32 and the placement section 34 with its two ends; a portion of the outer periphery of the light source mounting section 32 is arc-shaped and has a center 321, and an opening 322 penetrating back and forth, the The opening 322 is circular and eccentrically arranged with respect to the center 321.

The light source module 41 has a light emitting element 42. The light source module 41 is disposed on the front-facing surface of the light source mounting section 32, so that the light-emitting element 42 is directed toward the front. In actual implementation, a fluorescent glue 43 is further applied on the front surface of the light source mounting section 32, and the fluorescent glue 43 completely covers the light source module 41.

The lateral light-emitting element 44 is disposed on the upward-facing surface of the placement section 34, so that the irradiation direction of the lateral light-emitting element 44 is upward. In actual implementation, the surface of the placement section 34 on the upward side is further coated with a lateral fluorescent glue 45, and the lateral fluorescent glue 45 completely covers the lateral light emitting element 44.

Wherein, the placing section 34 is placed on the first supporting section 15 and the lens mounting section 12 to be supported by the upper side edges of the first supporting section 15 and the lens mounting section 12, and the placing section 34 is located at the two limit positions Between the two sections 16 and is limited by the two limiting sections 16 and cannot move laterally; the connecting section 33 extends outwardly and downwardly from the side edge of the placing section 34 near the front end, and defines the placing section 34 to connect the The side of the connecting section 33 is the left side, the connecting section 33 extends to the left of the camera lens module 21, and connects forward to the left edge of the light source mounting section 32, and the light source mounting section 32 is located in the lens mounting section 12 Front, and the camera lens module 21 has an outer peripheral surface 22 and a limiting convex portion 23 extending outward from the outer peripheral surface 22, the limiting convex portion 23 is disposed around the outer peripheral surface 22 and is located in the Behind the light source mounting section 32, the light source mounting section 32 is limited by the limiting convex portion 23, and the camera lens module 21 partially passes through the opening 322, so that the camera lens module 21 partially protrudes from the light source The surface of the mounting section 32 facing forward. It should be noted that the connecting section 33 can extend from the left edge of the placement section 34 near the front end, and can also extend from the right edge of the placement section 34 near the front end, which should be regarded as an equal range in this case.

The structure of the first preferred embodiment has been described above, and the operation state of the first preferred embodiment will be described next.

Please refer to FIG. 1 again. In actual implementation, the first preferred embodiment is installed in an endoscope lens end 91, and its installation structure is well known and will not be described in detail.

According to the user's needs for forward or lateral shooting, the first preferred embodiment can be divided into two states: a forward looking state and a side looking state. The two states will be described separately below.

In the front view state, the user can turn on the light emitting element 42 of the light source module 41 and turn off the lateral light emitting element 44 to keep the shooting direction of the camera lens module 21 and the irradiation direction of the light emitting element 42 facing forward , To meet the user's demand for forward shooting.

Please refer to FIG. 7 again. In the side view state, the user must set a side view mirror assembly 92 at the end view lens end 91. The side view mirror assembly 92 includes a reflecting mirror 93, and the reflecting mirror 93 is located in the camera lens mode. In front of the group 21, and the surface of the reflecting mirror 93 and the shooting direction of the camera lens module 21 have a predetermined angle (not marked in the figure), so that the shooting direction of the camera lens module 21 faces upward.

The user can turn on the lateral light-emitting element 44 and turn off the light-emitting element 42 of the light source module 41, keeping the shooting direction of the camera lens module 21 and the irradiation direction of the lateral light-emitting element 44 facing upward, to achieve The user's demand for lateral shooting.

Thereby, the camera lens module 21 and the light source module 41 are respectively installed on different flexible circuit boards, and the simple and stable combined structure formed by the bending structure and placement relationship of the two flexible circuit boards, It can achieve the effect of reducing the wear and tear of parts produced during the assembly process.

Please refer to FIG. 8 to FIG. 10, a combined structure 50 of an endoscope lens and a light source provided by the second preferred embodiment of the present invention is mainly the same as the first preferred embodiment disclosed above, the difference is that :

In the second preferred embodiment, the first flexible circuit board 11 is further bent to form a second support section 51 facing the rear and located between the first support section 15 and the lens mounting section 12 and facing left and right A third extension section 52, the third extension section 52 is connected to the lens mounting section 12 and the second support section 51 at both ends; wherein, the placement section 34 is placed on the first support section 15, the second The supporting section 51 and the lens mounting section 12 are supported by the upper side edges of the first supporting section 15, the second supporting section 51 and the lens mounting section 12.

Thereby, compared to the first preferred embodiment, the second flexible circuit board 31 of the second preferred embodiment is supported by the upper side edges of the three sections of the first flexible circuit board 11 to form a more stable Composite Structure.

The remaining structures of the second preferred embodiment and the achievable effects thereof are the same as those of the first preferred embodiment disclosed above, and will not be described in detail.

10‧‧‧Combination structure of endoscope lens and light source 11‧‧‧ First flexible circuit board 12‧‧‧Lens installation section 13‧‧‧Second extension 14‧‧‧The first extension 15‧‧‧The first support section 16‧‧‧Limiting Department 17‧‧‧hard board 21‧‧‧Camera lens module 22‧‧‧Outer peripheral surface 23‧‧‧Limit convex 31‧‧‧ Second flexible circuit board 32‧‧‧Light source installation section 321‧‧‧Circle center 322‧‧‧ opening 33‧‧‧ connection section 34‧‧‧ Placement section 41‧‧‧Light source module 42‧‧‧Lighting element 43‧‧‧fluorescent glue 44‧‧‧Side light emitting element 45‧‧‧Side fluorescent glue 91‧‧‧Endoscope lens 92‧‧‧Side view mirror assembly 93‧‧‧Reflecting mirror 50‧‧‧Combination structure of endoscope lens and light source 51‧‧‧Second support section 52‧‧‧The third extension

FIG. 1 is a perspective view of the end view lens end of the first preferred embodiment of the present invention, showing the state of the first preferred embodiment assembled to the end view lens end. FIG. 2 is a combined perspective view of the first preferred embodiment of this creation. FIG. 3 is an exploded view of the first preferred embodiment of this creation. FIG. 4 is a top view of the partial structure of the first preferred embodiment of the present creation, showing the bending structure of the first flexible circuit board. FIG. 5 is a top view of the partial structure of the first preferred embodiment of the present creation, showing the structure of the second flexible circuit board. Figure 6 is a cross-sectional view taken along line 6-6 in Figure 2. 7 is a perspective view of the end view lens end of the first preferred embodiment of the present invention, showing the state of the first preferred embodiment assembled on the end view lens end and the side view mirror assembly is provided. FIG. 8 is a combined perspective view of the second preferred embodiment of this creation. FIG. 9 is an exploded view of the second preferred embodiment of this creation. Fig. 10 is a top view of the second preferred embodiment of the present creation.

10‧‧‧Combination structure of endoscope lens and light source

11‧‧‧ First flexible circuit board

12‧‧‧Lens installation section

13‧‧‧Second extension

14‧‧‧The first extension

15‧‧‧The first support section

16‧‧‧Limiting Department

21‧‧‧Camera lens module

22‧‧‧Outer peripheral surface

23‧‧‧Limit convex

31‧‧‧ Second flexible circuit board

32‧‧‧Light source installation section

321‧‧‧Circle center

322‧‧‧ opening

33‧‧‧ connection section

34‧‧‧ Placement section

41‧‧‧Light source module

42‧‧‧Lighting element

43‧‧‧fluorescent glue

44‧‧‧Side light emitting element

45‧‧‧Side fluorescent glue

Claims (9)

A combined structure of endoscope lens and light source includes: A first flexible circuit board is elongated, with one side of the length extending direction as an upper edge and the other side as a lower edge to be upright, and the first flexible circuit board is bent at least to form a front facing A lens mounting section and a first supporting section located at the rear of the lens mounting section and facing left and right, and the upper side edge of the lens mounting section extends upwards by two limiting portions; A camera lens module is arranged on the front-facing surface of the lens mounting section, so that the shooting direction of the camera lens module faces forward; A second flexible circuit board, at least bent to form a light source mounting section facing forward and a placement section located behind the light source mounting section and facing upward, the light source mounting section having an opening penetrating back and forth; and A light source module having at least one light-emitting element, the light source module is disposed on the front-facing surface of the light source mounting section, so that the irradiation direction of the at least one light-emitting element faces forward; Wherein, the placing section is placed on the first supporting section and the lens mounting section to be supported by the upper side edges of the first supporting section and the lens mounting section, and the placing section is located between the two limiting portions and is supported by the two The limiting part is limited, the light source mounting section is located in front of the lens mounting section, and the camera lens module part passes through the opening, so that the camera lens module part protrudes from the front surface of the light source mounting section. The combined structure of an endoscope lens and a light source as described in item 1 of the application scope, wherein: the first flexible circuit board is bent to form a first extension section facing the front and back and a second extension section facing the left and right, The first extension section is connected to the first support section and the second extension section at both ends; the second extension section is connected at the two ends to the first extension section and the lens installation section. The combined structure of an endoscope lens and a light source as described in item 1 of the application scope, wherein: the first flexible circuit board is bent to form a second surface facing the rear and located between the first support section and the lens mounting section A supporting section; wherein, the placing section is placed on the first supporting section, the second supporting section, and the lens mounting section to be supported by the upper side edges of the first supporting section, the second supporting section, and the lens mounting section. The combined structure of an endoscope lens and a light source as described in item 3 of the application scope, wherein: the first flexible circuit board is bent to form a third extension section facing left and right, and the lens mounting section is connected with both ends thereof and The second support section. The combined structure of an endoscope lens and a light source as described in item 1 of the application scope, wherein: the second flexible circuit board is bent to form a connecting section, and the light source mounting section and the placing section are connected at both ends thereof, and the connection The section is located behind the light source installation section, and the connecting section extends from the side edge of the placement section near the front end outwardly and downwardly, and defines the side where the placement section connects to the connection section is the left side, and the connection section extends to The left side of the camera lens module is connected to the left edge of the light source installation section forward. The combined structure of an endoscope lens and a light source as described in item 1 of the application scope, wherein: the camera lens module has an outer peripheral surface and a limiting convex portion extending outward from the outer peripheral surface, the limiting convex The part is arranged around the outer peripheral surface and located behind the light source installation section, so that the light source installation section is limited by the limiting convex portion. The combined structure of an endoscope lens and a light source as described in item 1 of the scope of application, wherein: a part of the periphery of the light source mounting section is arc-shaped and has a center of circle, and the opening is round and is relative to the center of the circle The state of the eccentric setting. The combined structure of an endoscope lens and a light source as described in item 1 of the application scope, wherein: further comprising at least one side light-emitting element, the at least one side light-emitting element is disposed on the surface of the placement section facing upward, so that The at least one side of the light emitting element is directed upward. The combined structure of an endoscope lens and a light source as described in item 1 of the scope of application, wherein: it further comprises a hard plate, which is fixed on the rearward surface of the lens mounting section.

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