Operation portion and endoscope

Abstract

Provided are an operation portion and an endoscope, wherein the operation portion comprises a housing (10) and a button assembly (20). The housing (10) is provided with a gripping region (11) and an operation region (12) adjacent to one end of the gripping region (11). The button assembly (20) comprises a first button (21) and a second button (22) that are fixedly connected to the housing (10) and arranged at the operation region (12), and can be separately pressed to trigger. At least one finger of a hand gripping the gripping region (11) can be moved to the operation region (12) as an operating finger and respectively contact top ends of the first button (21) and the second button (22), and the first button (21) and the second button (22) are arranged side by side along an extension direction of the operating finger, and heights of the first button (21) and the second button (22) sequentially increase in the arrangement direction. By means of arranging two buttons (21, 22) on the housing (10) in the extension direction of the operating finger and with a height difference, the operation portion allows convenient and accurate pressing of different buttons (21, 22), thereby solving the problem in the prior art that adjacent buttons are difficult to press conveniently without easily pressing the wrong one.

Description

Operating unit and endoscope Technical Field

[0001] The present invention relates to the technical field of endoscopes, and in particular to an operating unit and an endoscope. Background Art

[0002] Existing endoscopes operate by inserting an insertion portion through a natural or artificially constructed body cavity for internal examination or treatment. Once inside the body, the endoscope uses a lens and light source system to observe internal conditions, taking photos or videos as appropriate. Alternatively, the endoscope can be used to introduce fluids (such as saline) for washing, or to aspirate fluids and tissue samples using a suction device.

[0003] When performing some operations on an endoscope, it is necessary to control specific functions by pressing some function buttons provided on the shell of the operating part, such as controlling the lens to take photos or videos, or adjusting the light intensity. On current endoscopes, there are usually two ways to arrange buttons on the operating part: axial arrangement and circumferential arrangement. In the axial arrangement, the distance between two adjacent buttons is roughly along the length direction of the operating part. When holding the operating part, the person needs to move the index finger up and down to press different buttons. This operation method is not easy to press the wrong button, but it is not convenient and fast enough. In the circumferential arrangement, the distance between two adjacent buttons is roughly along the circumference direction of the operating part. When holding the operating part, the person only needs to stretch the index finger back and forth to press different buttons. This operation method is convenient and fast, but it is easy to press the wrong button.

[0004] Therefore, it can be seen that in the existing endoscope, it is difficult to press two adjacent buttons conveniently and not easily press the wrong button. Summary of the Invention

[0005] The purpose of the present invention is to design an operating portion and an endoscope to solve the problem that adjacent buttons cannot be pressed conveniently and not easily pressed by mistake.

[0006] The present invention is achieved through the following technical solutions:

[0007] The present invention provides an operating portion, comprising a shell and a button assembly; the shell is provided with a gripping area for hand gripping and an operating area adjacent to one end of the gripping area; the button assembly comprises a first button and a second button fixedly connected to the shell and arranged at the operating area, which can be pressed individually to trigger; wherein, at least one finger of the hand gripping the gripping area can be moved to the operating area as an operating finger and contact the top of the first button and the second button respectively, so that the first button and the second button are arranged side by side along the extension direction of the operating finger, and in the arrangement direction, the heights of the first button and the second button increase successively.

[0008] When the above-described arrangement is employed, the first and second buttons of the button assembly provided on the housing of the operating portion of the endoscope are positioned where the operating finger can simultaneously reach them, and the first and second buttons are arranged along the extending direction of the operating finger. Thus, when it is necessary to press the first and second buttons separately, the operating finger can easily reach the top of the corresponding button by simply extending and retracting the button. This shows that the two buttons on this operating portion are easy to press. Furthermore, the first and second buttons are arranged with a height difference, specifically, the first button closer to the base of the operating finger is shorter than the second button farther from the tip of the operating finger. Thus, when selecting different buttons to press, the different buttons can be distinguished by the tactile sensation obtained when the operating finger simultaneously contacts the two buttons, combined with the perceived distance from the base of the operating finger. This distinction can be made before pressing to reduce the probability of pressing the wrong button. In addition, the second button, which is farther away from the base of the operating finger, is higher than the first button, so that when the first button is pressed, the surrounding wall of the second button can provide a certain obstruction effect on the fingertip of the operating finger, thereby avoiding accidental touching of the second button. When pressing the second button, the higher second button will objectively prompt the operating finger to lift a certain distance, thereby increasing the distance between the operating finger and the first button, thereby avoiding accidental touching of the first button, and reducing the probability of pressing the wrong button.

[0009] To further better implement the present invention, the following configuration is particularly adopted: the button assembly further comprises a lever, the fulcrum of the lever being hinged to the housing, and the keycaps of the first button and the second button being movably connected to both ends of the lever respectively;

[0010] Wherein, when the keycap of one of the first button and the second button is pressed and driven to generate a displacement of any length, the corresponding end of the lever can brake the keycap of the other one of the first button and the second button before the trigger stroke.

[0011] When the above-described arrangement is employed, the ends of the lever are movably connected to the first and second buttons, limiting the terminal positions of the first and second buttons in their triggering travel. Thus, as long as one button is pressed, the other end of the lever limits the maximum travel of the other button, thereby preventing both buttons from being triggered and further reducing the probability of pressing the wrong button. When the first and second buttons are pressed simultaneously, the heights of the first and second buttons increase and decrease, respectively, due to their respective movably connected ends of the lever. This provides a tactile warning, allowing the user to promptly adjust the pressing position of their finger, thereby improving the accuracy and timeliness of button pressing and ultimately facilitating button pressing.

[0012] In order to further better implement the present invention, the following setting structure is particularly adopted: the keycaps of the first button and the second button are symmetrically arranged about the fulcrum; when the keycap of the second button is pressed alone so that its top is flush with the top of the keycap of the first button, the second button is in an untriggered state, and / or, when the corresponding keycap is pressed alone to reach the trigger stroke to trigger the first button / the second button, the keycap of the first button / the second button presses down the corresponding end of the lever and causes the opposite end of the lever to push up the keycap of the second button / the first button.

[0013] In order to further better implement the present invention, the following setting structure is particularly adopted: the fulcrum of the lever can be displaced relative to the shell along the trigger stroke direction of the first button and can rotate around the fulcrum during the displacement process; the button assembly also includes a spring installed on the shell, and the free end of the spring is connected to the fulcrum of the lever to respectively press the two ends of the lever against the bottom of the flange set at the bottom of the keycaps of the first button and the second button.

[0014] When the above-mentioned setting structure is adopted, the setting of the spring, combined with the lever that can be displaced along the trigger stroke direction, allows the lever to always be pressed against the keycaps of the first button and the second button, thereby improving the timeliness of tactile information feedback when the button is pressed incorrectly.

[0015] In order to further better implement the present invention, the following configuration structure is particularly adopted: protrusions are respectively provided at the tops of both ends of the lever, and the top ends of the protrusions are provided as pointed ends and abut against the bottoms of the flanges on the corresponding sides.

[0016] When the above-mentioned setting structure is adopted, the two ends of the lever each abut against the bottom of the keycaps of the first button and the second button through the tip, so that the contact points between the lever and the keycaps of the first button and the second button will not be displaced significantly, and the pressing feel can be maintained.

[0017] In order to further better implement the present invention, the following setting structure is particularly adopted: the middle positions of the two ends of the lever are respectively provided with notches extending along the length direction of the rod, and the first button and the second button are respectively clamped in the notches on the corresponding sides.

[0018] When the above-mentioned arrangement is adopted, the end of the lever accommodates the corresponding button through the notch, which can make the structure of the button assembly more compact and enable the lever to provide more uniform support to the bottom of the button keycap.

[0019] In order to further better implement the present invention, the following setting structure is particularly adopted: the button assembly also includes a box body fixedly connected to the shell, and the box body is provided with a support shaft hole; the first button and the second button are respectively fixedly installed in the box body, and the keycaps of the first button and the second button respectively extend out of the box body; the lever is arranged in the box body, and the fulcrum of the lever is provided with a support shaft, and the support shaft extends into the support shaft hole and can rotate and displace relative to the support shaft hole; the spring is installed in the box body.

[0020] When the above-mentioned setting structure is adopted, the button assembly accommodates other components through the box to form a module with a higher degree of integration. After the assembly of other processes is completed, it can be installed as a whole on the shell of the endoscope operating part, which not only improves the assembly efficiency, but also simplifies and reduces the structure of the shell.

[0021] In order to further better realize the present invention, the following setting structure is particularly adopted: the box body includes a box body and a cover body arranged at the top opening of the box body, and the keycaps of the first button and the second button extend from the cover body respectively; a middle partition is provided in the box body, and the first button and the second button are respectively fixed on both sides of the middle partition; the middle partition is provided with two grooves that pass through the plate thickness direction and are arranged in sequence along the plate width direction, and the spring is provided as a spiral compression spring, and the two grooves respectively accommodate the opposite sides of the spring.

[0022] When the above-mentioned setting structure is adopted, the box body uses a simple structure of the middle partition to separate the first button and the second button, and is used to install the spring. The design structure is simple and the production cost will be lower.

[0023] In order to further better implement the present invention, the following configuration structure is particularly adopted: the first button and the second button are arranged in sequence along the circumference of the shell.

[0024] In order to further better implement the present invention, the following configuration structure is particularly adopted: the holding area and the operating area are arranged along the axial direction of the shell, and the operating area is closer to the proximal end of the shell than the holding area.

[0025] To further better implement the present invention, the following configuration structure is particularly adopted: the top end of the first button is flush with or protrudes from the outer peripheral surface of the housing.

[0026] To further better implement the present invention, the following configuration is particularly adopted: when the operating finger presses the top of the first button, the fingertip of the operating finger can radially abut against the peripheral wall of the second button.

[0027] When the above-mentioned setting structure is adopted, there is a large height difference between the second button and the first button, so that the fingertip of the operating finger can radially abut the peripheral wall of the second button forward. In this way, when pressing the first button, the fingertip can be prevented from exerting downward pressure on the second button as much as possible, thereby improving the accuracy of pressing the first button.

[0028] The present invention also provides an endoscope, which includes the above-mentioned operating part.

[0029] To further better implement the present invention, the following configuration structure is particularly adopted: the first button and the second button of the operating portion are used to trigger the video recording and photo taking functions of the lens respectively.

[0030] The present invention has the following advantages and beneficial effects:

[0031] In the present invention, the button assembly provided on the housing of the operating portion of the endoscope is configured such that the first and second buttons are located where the operating finger can reach them simultaneously, and the first and second buttons are arranged along the extension direction of the operating finger. Thus, when the first and second buttons need to be pressed separately, the operating finger can be extended to easily reach the top of the corresponding button. This shows that the two buttons on this operating portion are easy to press. Furthermore, the first and second buttons are arranged with a height difference, specifically, the first button closer to the base of the operating finger is shorter than the second button farther from the tip of the operating finger. Thus, when selecting to press different buttons, the different buttons can be distinguished by the tactile sensation obtained when the operating finger simultaneously contacts the two buttons, combined with the perceived distance from the base of the operating finger. This distinction can be made before pressing to reduce the probability of pressing the wrong button. In addition, the second button, which is farther away from the base of the operating finger, is higher than the first button, so that when the first button is pressed, the surrounding wall of the second button can provide a certain obstruction effect on the fingertip of the operating finger, thereby avoiding accidental touching of the second button. When pressing the second button, the higher second button will objectively prompt the operating finger to lift a certain distance, thereby increasing the distance between the operating finger and the first button, thereby avoiding accidental touching of the first button, and reducing the probability of pressing the wrong button. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0033] FIG1 shows the appearance structure of the button assembly when both the first button and the second button are not pressed;

[0034] FIG2 shows the internal structure of the button assembly when both the first button and the second button are not pressed;

[0035] FIG3 shows the connection structure between the first button and the second button and the lever;

[0036] Figure 4 is the internal structure of the box;

[0037] Figure 5 shows the connection structure between the lever and the spring;

[0038] FIG6 shows the appearance structure of the button assembly when the first button is pressed alone;

[0039] FIG7 shows the internal structure of the button assembly when the first button is pressed alone;

[0040] FIG8 shows the appearance structure of the button assembly when the second button is pressed alone;

[0041] FIG9 shows the internal structure of the button assembly when the second button is pressed alone;

[0042] FIG10 is a schematic diagram of the three-dimensional structure of an endoscope;

[0043] FIG11 is a front view of the endoscope;

[0044] FIG12 is a side view of the endoscope;

[0045] FIG13 shows the internal structure of the endoscope;

[0046] FIG14 is an enlarged view of a portion A in FIG13 .

[0047] The following are marked in the figure:

[0048] 10. Shell; 11. Grip area; 12. Operation area; 20. Button assembly; 21. First button; 22. Second button; 23. Box body; 231. Box body; 232. Cover body; 23a. Support shaft hole; 23b. Middle partition; 23c. Groove; 23d. Long groove; 24. Lever; 24a. Protrusion; 24b. Support shaft; 24c. Notch; 25. Spring; 26. Flange; 30. Insertion part. DETAILED DESCRIPTION

[0049] To make the objectives, technical solutions, and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without inventive effort are within the scope of protection of the present invention.

[0050] In the description of the present invention, it should be noted that, unless otherwise specified, "plurality" means two or more. Terms such as "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," and "tail" indicate positions or relationships based on those shown in the accompanying drawings. These terms are intended solely to facilitate and simplify the description of the present invention and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, terms such as "first," "second," and "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0051] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention depending on the specific circumstances.

[0052] On the one hand, the present application provides an operating portion, which makes it easy to press the circumferentially arranged buttons while not easily causing the wrong pressing. As shown in Figures 1 to 14, it is particularly configured as follows:

[0053] In this embodiment, as shown in Figures 10 to 14, the operating unit includes a housing 10 and a button assembly 20 fixedly mounted on the housing 10. The button assembly 20 is provided with a plurality of buttons, and the keycaps of the buttons can protrude from the housing 10 as shown in the figures, or can be flush with the outer surface of the housing 10.

[0054] The housing 10 is provided with a gripping area 11 for hand gripping and an operating area 12 adjacent to one end of the gripping area 11 .

[0055] The button assembly 20 is fixedly connected to the housing 10 and disposed in the operating area 12. The button assembly 20 includes a first button 21 and a second button 22 arranged side by side. The first button 21 and the second button 22 can be pressed separately to trigger. The first button 21 and the second button 22 include switches and keycaps connected to the keys of the switches.

[0056] The first button 21 and the second button 22 can be pressed individually or simultaneously by the hand held in the gripping area 11. Specifically, the hand held in the gripping area 11 has at least one finger that can reach the operating area 12 through actions such as swinging, stretching, or cooperating with some adjustment actions of the hand on the gripping area 11. At the same time, the finger can also move in the operating area 12 through actions such as swinging and stretching to contact the top of the first button 21 and the second button 22 respectively and press the first button 21 and the second button 22 respectively. When the finger contacts the top of the first button 21 and the second button 22 at the same time, the first button 21 and the second button 22 are arranged in sequence roughly along the extension direction of the finger. In this case, this finger serves as the operating finger.

[0057] As shown in FIG14 , the first button 21 and the second button 22 have a height difference when not pressed, and the second button 22 is higher than the first button 21 , that is, the top of the second button 22 protrudes further from the housing 10 than the top of the first button 21 .

[0058] In this embodiment, the button assembly 20 provided on the housing 10 of the operating portion of the endoscope is configured such that the first and second buttons 21, 22 are located within the reach of the operating finger. Furthermore, the first and second buttons 21, 22 are arranged along the extension direction of the operating finger. This allows the user to easily press the first and second buttons 21, 22 by simply extending the operating finger. This makes the buttons on this operating portion easy to press. Furthermore, the first and second buttons 21, 22 are arranged with a height difference. Specifically, the first button 21, located closer to the base of the operating finger, is shorter than the second button 22, located farther from the tip of the operating finger. This allows the user to distinguish between the two buttons based on the tactile sensation of the operating finger simultaneously touching both buttons and the perceived distance from the base of the operating finger. This allows for easy identification before pressing, reducing the likelihood of incorrectly pressing the buttons. In addition, the second button 22 away from the base of the operating finger is higher than the first button 21, so that when the first button 21 is pressed, the surrounding wall of the second button 22 can provide a certain obstruction effect on the fingertip of the operating finger, avoiding accidental touching of the second button 22. When pressing the second button 22, the higher second button 22 will objectively prompt the operating finger to lift a certain distance, increasing the distance between the operating finger and the first button, avoiding accidental touching of the first button 21 when pressing the second button 22, and reducing the probability of pressing the wrong button.

[0059] According to some optional embodiments, as shown in Figures 10 to 14, the holding area 11 and the operating area 12 are arranged along the axial direction of the shell 10, the holding area 11 is located in the middle position of the shell 10 in the axial direction, and the operating area 12 is adjacent to the proximal position of the holding area 11, so that the operating area 12 is closer to the proximal end of the shell 10 than the holding area 11.

[0060] The gripping area 11 is a relatively small recessed portion on the housing 10. The operating area 12 has a larger circumference in the circumferential direction of the housing 10, which increases the space within the housing 10 and allows components such as the traction wheel, suction valve, and button assembly 20 to be integrated inside the operating area 12.

[0061] In this embodiment, the first button 21 and the second button 22 are sequentially arranged along the circumference of the housing 10 , so that the index finger of a hand holding the holding area 11 can generally be used as an operating finger.

[0062] The top of the first button 21 with a smaller height is flush with the outer peripheral surface of the shell 10 or protrudes from the outer peripheral surface of the shell 10. If it protrudes from the outer peripheral surface of the shell 10, the height of the first button 21 protruding from the shell 10 is controlled between 0.05-0.2 cm.

[0063] According to some optional embodiments, there is a large height difference between the second button 22 and the first button 21. When the operating finger presses the top of the first button 21, the fingertip of the operating finger can radially abut the peripheral wall of the second button 22 forward. In this way, when pressing the first button 21, the fingertip can avoid exerting downward pressure on the second button 22 as much as possible, thereby improving the accuracy of pressing the first button 21.

[0064] For example, the height difference between the first button 21 and the second button 22 is generally controlled within a range of 0.2 cm to 0.55 cm. Considering the length of most people's fingers, the height difference is preferably controlled within a range of 0.28 cm to 0.5 cm. Specifically, the height difference between the first button 21 and the second button 22 can be 0.3 cm, 0.34 cm, 0.36 cm, 0.4 cm, or 0.45 cm.

[0065] According to some optional embodiments, as shown in Figures 2, 3 and 5, the button assembly 20 is provided with a lever 24. The fulcrum portion of the lever 24 serves as a fulcrum and is hingedly provided on the housing 10, so that the lever 24 can swing relative to the housing 10 about the fulcrum.

[0066] The keycaps of the first button 21 and the second button 22 are movably connected to the two ends of the lever 24, respectively. Such movably connected can be hinged, inseparable abutted, detachable intermittently abutted, etc. When the keycaps of the first button 21 and the second button 22 are connected to the lever 24, when the keycap of one of the first button 21 and the second button 22 is pressed and driven to produce any displacement, the corresponding end of the lever 24 can brake the keycap of the other button 21 and the second button 22 before the trigger stroke.

[0067] Here, the displacement of any length refers to the displacement of the button keycap by a length greater than 0 along the trigger stroke direction of the button. For example, as shown in FIG7 , when the first button 21 is pressed, and one end of the lever 24 is directly in contact with or hinged to the keycap of the first button 21, the keycap of the first button 21 moves from the initial position to the trigger position, which drives the lever 24 to rotate around the fulcrum, causing the other end of the lever 24 to move upward. This causes the second button 22 connected to the other end of the lever 24 to either be limited in the maximum distance it can move to the trigger position, or to be pushed upward, so that the second button 22 cannot reach the trigger position without driving the lever 24 to drive the keycap of the first button 21 back to the initial position.

[0068] In this embodiment, the ends of the lever 24 are movably connected to the first and second buttons 21, 22, limiting the end positions of the first and second buttons 21, 22 in their triggering travel. Thus, as long as one button is pressed, the other end of the lever 24 limits the maximum travel of the other button, thereby preventing both buttons from being triggered and further reducing the probability of pressing the wrong button. When the first and second buttons 21, 22 are pressed simultaneously, the heights of the first and second buttons 21, 22 increase and decrease, respectively, because the first and second buttons 21, 22 are movably connected to the ends of the lever 24. This provides a tactile warning to the user, allowing the user to promptly adjust the pressing position of the operating finger, thereby improving the accuracy and timeliness of button pressing and ultimately facilitating button pressing.

[0069] Preferably, as shown in Figure 5, the distances from the two ends of the lever 24 to the fulcrum are consistent. At the same time, as shown in Figures 2 and 3, the first button 21 and the second button 22 are symmetrically arranged in the box body 23 about the fulcrum of the lever 24. Therefore, the keycaps of the first button 21 and the second button 22, which are respectively movably connected to the two ends of the lever 24, are symmetrically arranged about the fulcrum of the lever 24.

[0070] When neither the first button 21 nor the second button 22 is pressed, the ends of the lever 24 abut against the bottom of the keycaps of the first button 21 and the second button 22, respectively, in a horizontal position as shown in Figures 2 and 3. If the lever 24 is not provided with a spring 25 as shown in Figure 5 and the lever 24 cannot move in the direction of the trigger stroke of the first button 21, the keycap is required to be axially slidably mounted on the key of the switch of the corresponding button, so that when the corresponding end of the lever 24 is tilted upward, it can push the corresponding keycap upward a certain distance. It should be noted that even when the lever 24 pushes the keycap to the maximum distance, the keycap will not fall off the key of the switch of the corresponding button. Of course, when neither the first button 21 nor the second button 22 is pressed, there can be a gap between the ends of the lever 24 and the keycaps of the first button 21 and the second button 22.

[0071] The protruding distance of the keycap of the second button 22 relative to the housing 10 is approximately twice the protruding distance of the keycap of the first button 21 relative to the housing 10 , and the triggering stroke of the second button 22 is greater than the height difference between the first button 21 and the second button 22 .

[0072] In some cases, when the keycap of the second button 22 is pressed alone so that the top of the keycap of the second button 22 is flush with the top of the keycap of the first button 21 , the second button 22 is in an untriggered state.

[0073] In some cases, when the keycap of the first button 21 is pressed alone to reach its triggering stroke to trigger the first button 21, the keycap of the first button 21 causes the corresponding end of the lever 24 to be pressed down as shown in FIG. 7 , and causes the opposite end of the lever 24 to push the keycap of the second button 22 upward.

[0074] When the keycap of the second button 22 is pressed alone to reach its triggering stroke to trigger the second button 22, the keycap of the second button 22 causes the corresponding end of the lever 24 to be pressed down as shown in Figure 9, and causes the opposite end of the lever 24 to push the keycap of the first button 21 upward.

[0075] According to some optional embodiments, in addition to being able to rotate about the fulcrum relative to the housing 10, the fulcrum of the lever 24 is also able to displace relative to the housing 10 in the direction of the trigger stroke of the first button 21, and the lever 24 can rotate about the fulcrum during the displacement process. The button assembly 20 also includes a spring 25 mounted on the housing 10. The free end of the spring 25 is connected to the fulcrum of the lever 24 as shown in Figure 5, so that the two ends of the lever 24 are respectively pressed against the bottom of the flange 26 provided on the bottom of the keycaps of the first button 21 and the second button 22, as shown in Figures 2 and 3.

[0076] In this embodiment, a fulcrum of the lever 24 is provided with a fulcrum 24b, with both ends of the fulcrum 24b protruding from the main body of the lever 24. The lever 24 is directly and rotatably attached to a shaft bracket provided on the housing 10 via the fulcrum 24b, so that the lever 24 can rotate about the axis of the fulcrum 24b and can also move along the trigger stroke direction of the first button 21. The displacement distance of the lever 24 along the trigger stroke direction of the first button 21 is greater than or equal to the distance the fulcrum 24b moves downward when the first button 21 is pressed alone and the end of the lever 24 abutting the keycap of the second button 22 does not move. Similarly, the displacement distance of the fulcrum 24b moves downward when the second button 22 is pressed alone and the end of the lever 24 abutting the keycap of the first button 21 does not move.

[0077] The spring 25 can be directly installed and fixed in a spring groove provided on the housing 10 .

[0078] The switches of the first button 21 and the second button 22 can be fixed in corresponding switch slots provided on the housing 10 .

[0079] In this embodiment, after the spring 25 is set and combined with the lever 24 that can be displaced along the trigger stroke direction, the lever 24 can always be pressed against the keycaps of the first button 21 and the second button 22, thereby improving the tactile information feedback time when the button is pressed incorrectly.

[0080] According to some optional embodiments, as shown in FIG. 5 , protrusions 24 a are respectively provided at the tops of both ends of the lever 24 , and the top ends of the protrusions 24 a are provided as pointed tips.

[0081] As shown in FIG3 , both ends of the lever 24 extend below the flanges 26 of the keycaps of the first and second buttons 21 and 22 , respectively, and the top of the protrusion 24 a provided on the lever 24 abuts against the bottom of the flange 26 on the corresponding side.

[0082] Preferably, the top end of the protrusion 24 a is configured as a tip with a relatively smooth transition to reduce wear on the flanges 26 of the first button 21 and the second button 22 .

[0083] As shown in Figures 7 and 9, when the keycaps of the first button 21 and the second button 22 are pressed respectively, the flanges 26 on the keycaps of the first button 21 and the second button 22 will respectively push downward against the protrusions 24a at the corresponding ends of the lever 24, so that the opposite end of the lever 24 is tilted upward to push upward against the flanges 26 of the keycaps of the corresponding buttons through the protrusions 24a.

[0084] In this embodiment, the two ends of the lever 24 abut against the bottom of the keycaps of the first button 21 and the second button 22 through the tips, so that the contact points between the lever 24 and the keycaps of the first button 21 and the second button 22 do not undergo significant displacement, and the pressing feel can be maintained.

[0085] According to some optional embodiments, to improve the force between the lever 24 and the first and second buttons 21, 22, as shown in FIG5, notches 24c extending along the length of the lever are provided at the center of each end of the lever 24. The width of the notches 24c allows the first and second buttons 21, 22 to enter and be sandwiched between the notches 24c on their respective sides, forming a mating relationship as shown in FIG3. The ends of the lever 24 accommodate the corresponding buttons through the notches 24c, making the structure of the button assembly 20 more compact and enabling the lever 24 to form two abutment points with the first and second buttons 21, 22, providing more uniform support for the bottom of the button keycaps.

[0086] According to some optional embodiments, as shown in Figures 1-4, 5-9, and 14, the button assembly 20 further includes a box 23, which is fixedly connected to the housing 10 and has an interior provided with a mounting cavity for mounting the first button 21, the second button 22, the lever 24, and the spring 25. In this way, the button assembly 20 can be formed into a module with a higher degree of integration by accommodating other components through the box 23. After other assembly processes are completed, the module can be integrally mounted on the housing 10 of the endoscope operating unit, which not only improves assembly efficiency but also simplifies and reduces the structure of the housing 10.

[0087] Exemplarily, the box body 23 includes a box body 231 and a cover body 232 covering the top of the box body 231, and a mounting cavity is formed between the box body 231 and the cover body 232. The box body 231 is fixedly mounted in a slot provided in the housing 10.

[0088] The two opposite side walls of the box body 231 are provided with long grooves 23d penetrating the side walls. The cover body 232 is covered on the box body 231 to close the top opening of the long grooves 23d to form a support shaft hole 23a.

[0089] The first button 21 and the second button 22 are arranged side by side in the installation cavity and are respectively fixed to the box body 231. The keycaps of the first button 21 and the second button 22 respectively extend from the through holes set on the cover body 232 to the outside of the box body 23 for pressing by operating fingers.

[0090] The lever 24 is arranged in the box body 23. The fulcrum of the lever 24 is provided with a support shaft 24b. The support shaft 24b extends into the support shaft hole 23a and is hinged therewith.

[0091] The spring 25 is installed in the box body 23, with its bottom end abutting the bottom of the box body 231 and its top end abutting the fulcrum of the lever 24. The spring 25 is preferably configured as a helical compression spring.

[0092] In some embodiments, the support shaft hole 23a is configured as a circular hole, and accordingly, the support shaft 24b is configured as a cylindrical shaft. In other embodiments, the support shaft hole 23a is configured as an elongated hole having a certain length along the trigger stroke of the first button 21, so that the support shaft 24b can rotate and move along the length direction of the support shaft hole 23a when inserted therein.

[0093] Preferably, as shown in FIG4 , a middle partition 23b is provided in the box body 231 to divide the box body 231 into two left and right spaces, and the switch parts of the first button 21 and the second button 22 are respectively fixed in the two spaces separated by the middle partition 23b.

[0094] The placement of the middle diaphragm 23b occupies space for the spring 25 in the middle. To facilitate the installation of the spring 25, as shown in Figure 4, the middle diaphragm 23b is provided with two slots 23c extending through the thickness of the plate and arranged sequentially along the width of the plate. These slots 23c open at the top of the middle diaphragm 23b, forming a middle bracket between the two slots 23c. As shown in Figure 2, the spring 25 is configured as a helical compression spring. The spring 25 is mounted on the middle bracket between the two slots 23c and is spirally wound around the middle, so that the two slots 23c respectively accommodate the opposite sides of the spring 25.

[0095] In this embodiment, the box body 23 uses a simple structure of the middle partition 23b to separate the first button 21 and the second button 22, and is used to install the spring 25. The design structure is simple and the production cost will be lower.

[0096] On the other hand, the present application provides an endoscope, particularly with the following configuration:

[0097] In this embodiment, the endoscope includes an insertion portion 30 and the operating portion of any of the above embodiments.

[0098] As shown in FIG. 10 to FIG. 13 , the insertion portion 30 is mounted on the distal end of the housing 10 of the operating portion.

[0099] According to some optional embodiments, the first button 21 and the second button 22 are used to trigger the video recording and photo taking functions of the lens, respectively.

[0100] In some embodiments, the button assembly 20 is used to control the video and photo functions of the lens.

[0101] The doctor's hand is held in the holding area 11 on the shell 10, and the index finger moves to the operating area 12 to wait for the opportunity to complete filming and taking pictures. During the waiting process, the index finger does not press the first button 21 and the second button 22. The first button 21 and the second button 22 are in the initial state as shown in Figures 1 and 2, and the lever 24 is in a horizontal state. When filming is required, the index finger moves to the top of the keycap of the first button 21 and presses the cap. During the pressing process, the keycap of the first button 21 gradually moves downward until it reaches the position shown in Figures 6 and 7. At this time, the keycap of the first button 21 reaches the trigger stroke, triggering the switch of the first button 21 to control the lens to start filming. The end of the lever 24 abutting on the keycap of the second button 22 is in an upward state, and the support shaft 24b reaches the bottom end of the support shaft hole 23a. When it is necessary to take a photo, the index finger extends further forward to the top of the keycap of the second button 22 and presses the cap. During the pressing process, the keycap of the second button 22 gradually moves downward until it reaches the position shown in Figures 8 and 9. At this time, the keycap of the second button 22 reaches the trigger stroke, triggering the switch of the second button 22 to control the lens to start taking pictures. The end of the lever 24 abutting on the keycap of the first button 21 is in an upward state, and the support shaft 24b reaches the bottom end of the support shaft hole 23a.

[0102] When the index finger mistakenly presses the keycaps of the first button 21 and the second button 22 at the same time, the lever 24 will adjust the posture of the lever 24 according to the magnitude of the force acting on the keycaps of the first button 21 and the second button 22, so that the keycaps of the first button 21 and the second button 22 cannot reach the trigger travel and cannot be triggered.

[0103] The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field can easily think of changes or replacements within the technical scope disclosed by the present invention, which should be covered by the scope of protection of the present invention.

Claims

1. An operating unit, applied to an endoscope, characterized in that: include: A housing (10) is provided with a gripping area (11) for hand gripping and an operating area (12) adjacent to one end of the gripping area (11); A button assembly (20) comprising a first button (21) and a second button (22) fixedly connected to the housing (10) and arranged at the operating area (12) and capable of being individually pressed to trigger; At least one finger of the hand holding the holding area (11) can be moved to the operating area (12) as an operating finger and contact the top of the first button (21) and the second button (22) respectively, so that the first button (21) and the second button (22) are arranged side by side along the extension direction of the operating finger, and in the arrangement direction, the heights of the first button (21) and the second button (22) increase successively.

2. The operating portion according to claim 1, wherein: The button assembly (20) further includes a lever (24), a fulcrum of the lever (24) being hinged to the housing (10), and keycaps of the first button (21) and the second button (22) being movably connected to both ends of the lever (24); Wherein, when the keycap of one of the first button (21) and the second button (22) is pressed and driven to produce a displacement of any length, the corresponding end of the lever (24) can brake the keycap of the other of the first button (21) and the second button (22) before the triggering stroke.

3. The operating portion according to claim 2, wherein: The keycaps of the first button (21) and the second button (22) are symmetrically arranged about the fulcrum; When the keycap of the second button (22) is pressed alone so that its top end is flush with the top end of the keycap of the first button (21), the second button (22) is in an untriggered state. and / or, When the corresponding keycap is pressed alone to reach the trigger stroke to trigger the first button (21) / the second button (22), the keycap of the first button (21) / the second button (22) presses down the corresponding end of the lever (24) and causes the opposite end of the lever (24) to push up the keycap of the second button (22) / the first button (21).

4. An operating portion according to claim 2 or 3, characterized in that: The fulcrum of the lever (24) can be displaced relative to the housing (10) along the trigger stroke direction of the first button (21) and can rotate around the fulcrum during the displacement process; The button assembly (20) further includes a spring (25) mounted on the housing (10), wherein the free end of the spring (25) is connected to the fulcrum of the lever (24) so as to press the two ends of the lever (24) against the bottom of the flange (26) provided at the bottom of the keycaps of the first button (21) and the second button (22).

5. The operating portion according to claim 4, characterized in that: The tops of both ends of the lever (24) are respectively provided with protrusions (24a), and the top ends of the protrusions (24a) are provided as pointed ends and abut against the bottoms of the flanges (26) on the corresponding sides; And / or, notches (24c) extending along the length of the lever are respectively provided at the middle positions of both ends of the lever (24), and the first button (21) and the second button (22) are respectively clamped in the notches (24c) on the corresponding sides.

6. The operating portion according to claim 4, characterized in that: The button assembly (20) further comprises a box body (23) fixedly connected to the housing (10), wherein the box body (23) is provided with a support shaft hole (23a); The first button (21) and the second button (22) are respectively fixedly installed in the box (23), and the keycaps of the first button (21) and the second button (22) are respectively extended out of the box (23); The lever (24) is arranged in the box body (23), and a support shaft (24b) is provided at the fulcrum of the lever (24). The support shaft (24b) extends into the support shaft hole (23a) and can rotate and move relative to the support shaft hole (23a); The spring (25) is installed in the box (23).

7. The operating portion according to claim 6, wherein: The box body (23) comprises a box body (231) and a cover body (232) arranged on the top opening of the box body (231), and the key caps of the first button (21) and the second button (22) respectively extend from the cover body (232); A middle partition (23b) is provided in the box body (231), and the first button (21) and the second button (22) are respectively fixed on both sides of the middle partition (23b); The middle partition plate (23b) is provided with two grooves (23c) that penetrate along the plate thickness direction and are arranged in sequence along the plate width direction. The spring (25) is provided as a helical compression spring. The two grooves (23c) respectively accommodate opposite sides of the spring (25).

8. The operating unit according to claim 1, wherein: The first button (21) and the second button (22) are arranged in sequence along the circumference of the housing (10); And / or, the gripping area (11) and the operating area (12) are arranged along the axial direction of the housing (10), and the operating area (12) is closer to the proximal end of the housing (10) than the gripping area (11); and / or, The top end of the first button (21) is flush with or protrudes from the outer peripheral surface of the housing (10); and / or, When the operating finger presses the top of the first button (21), the fingertip of the operating finger can radially abut against the peripheral wall of the second button (22) forward.

9. An endoscope, characterized in that: The invention comprises the operating portion according to any one of claims 1 to 8.

10. An endoscope according to claim 9, characterized in that: The first button (21) and the second button (22) of the operating portion are used to trigger the video recording and photo taking functions of the lens, respectively.

Images