Endoscope handle and endoscope system

Abstract

The application discloses an endoscope handle and an endoscope system, and relates to the technical field of endoscopes. The endoscope handle comprises a shell assembly, a rotating wheel, a handle and a self-locking piece. The handle is rotatably installed on one side of the shell assembly, and the rotating wheel is rotatably installed in the shell assembly. The rotating wheel comprises a connecting shaft which is arranged through the shell assembly and is in transmission connection with the handle. At least two clamping jaws are arranged on the side of the shell assembly which faces the handle. The at least two clamping jaws are arranged on the circumferential side of the connecting shaft and are coaxially arranged with the connecting shaft. The self-locking piece is arranged on the circumferential side of the at least two clamping jaws. When the self-locking piece is in a self-locking state, the self-locking piece presses the at least two clamping jaws and makes the at least two clamping jaws clamp the connecting shaft. When the self-locking piece is in an unlocking state, the self-locking piece releases the at least two clamping jaws and makes the at least two clamping jaws release the connecting shaft. The endoscope handle provided by the application can make the circumferential side of the rotating wheel more balanced in the self-locking state.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of endoscopes, in particular to an endoscope handle and an endoscope system. BACKGROUND

[0002] During an endoscopic operation, when a suspected lesion is found, a biopsy or other operation is usually performed on the lesion. At this time, the degree of bending of the scope is fixed by the self-locking handle so that the medical staff can perform related operations.

[0003] However, the existing self-locking handle causes the pull line wheel to be unevenly stressed when it is locked, affecting the self-locking effect. SUMMARY

[0004] The present application provides an endoscope handle and an endoscope system, so that the circumferential side of the rotating wheel is more balanced in the self-locking state.

[0005] The present application provides an endoscope handle, comprising a housing assembly, a rotating wheel, a handle, and a self-locking piece;

[0006] The handle is rotatably installed on one side of the housing assembly, and the rotating wheel is rotatably installed in the housing assembly. The rotating wheel comprises a connecting shaft, which is provided through the housing assembly and is in transmission connection with the handle.

[0007] At least two clamping jaws are arranged on the side of the housing assembly facing the handle, and are coaxially arranged on the circumferential side of the connecting shaft.

[0008] The self-locking piece is arranged on the circumferential side of the at least two clamping jaws, and has a self-locking state and an unlocked state.

[0009] When the self-locking piece is in the self-locking state, the self-locking piece presses the at least two clamping jaws, and the at least two clamping jaws clamp the connecting shaft.

[0010] When the self-locking piece is in the unlocked state, the self-locking piece releases the at least two clamping jaws, and the at least two clamping jaws release the connecting shaft.

[0011] In some possible implementations, at least two supporting portions are further arranged on the side of the housing assembly facing the handle, and are arranged on the circumferential side of the connecting shaft. The at least two supporting portions and the at least two clamping jaws are alternately arranged.

[0012] The outer diameter d1 of the clamping jaw is greater than the outer diameter d2 of the supporting portion.

[0013] In some possible embodiments, the self-locking piece is further configured with a self-locking direction, and at least two gradually changing arc structures are arranged on the inner wall of the side of the self-locking piece facing the connecting shaft, and the at least two gradually changing arc structures correspond to the at least two clamping jaws one by one.

[0014] In the self-locking direction, the diameters of the gradually changing arc structures gradually increase.

[0015] In some possible embodiments, when the self-locking piece is in the self-locking state, the clamping jaws are in surface contact with the connecting shaft.

[0016] In some possible embodiments, the number of the clamping jaws is two, and the two clamping jaws are symmetrically arranged on the side of the shell assembly facing the handle and on the two sides of the connecting shaft.

[0017] In some possible embodiments, the side of the shell assembly facing the handle is configured with a sunken groove, the connecting shaft is arranged in the sunken groove and coaxially arranged with the sunken groove, and each clamping jaw is arranged in the sunken groove.

[0018] The self-locking piece comprises a self-locking sleeve, the self-locking sleeve is arranged in the sunken groove and sleeved on the circumferential side of the at least two clamping jaws.

[0019] One of the side of the self-locking sleeve facing away from the connecting shaft and the inner wall of the side of the sunken groove facing the connecting shaft is configured with a stroke groove, and the other is configured with a limiting block protruding therefrom, and the limiting block is slidingly arranged in the stroke groove.

[0020] In some possible embodiments, the bottom of the stroke groove is protrudingly configured with a protruding point, and when the limiting block passes through the protruding point, the protruding point is in interference fit with the limiting block.

[0021] Further, the number of the protruding points is multiple, and the multiple protruding points are protrudingly arranged on the bottom of the stroke groove and sequentially arranged around the connecting shaft.

[0022] In some possible embodiments, one of the bottom of the stroke groove and the side of the limiting block facing the bottom of the stroke groove is configured with a positioning groove, and the other is protrudingly configured with a positioning protruding part.

[0023] The positioning groove or the positioning protruding part arranged on the bottom of the stroke groove is provided with a plurality of.

[0024] In some possible embodiments, the side of the shell assembly facing the handle is configured with a sunken groove, the connecting shaft is arranged in the sunken groove and coaxially arranged with the sunken groove, and each clamping jaw is arranged in the sunken groove.

[0025] The self-locking piece comprises a self-locking sleeve, which is inserted into the sink groove and sleeved on the circumferential side of the at least two clamping jaws.

[0026] The outer diameter d3 of the self-locking sleeve is 0.01mm to 0.05mm larger than the inner diameter d4 of the sink groove.

[0027] In addition, the application further provides an endoscope system comprising the endoscope handle provided in each of the above embodiments.

[0028] The endoscope handle provided by the application has the following beneficial effects: the connecting shafts of the at least two clamping jaws and the rotating wheel are coaxially arranged. When the rotating wheel is locked, the force applied by the at least two clamping jaws on the rotating wheel can be distributed at different positions on the circumferential side of the rotating wheel, so that the force on the circumferential side of the rotating wheel is more balanced, the self-locking effect is improved, and the operator can obtain a better operation feeling. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0030] Figure 1 The figure shows the perspective structural schematic diagram of the endoscope handle in some embodiments;

[0031] Figure 2 The figure shows the exploded structural schematic diagram of the endoscope handle in some embodiments;

[0032] Figure 3 The figure shows the cross-sectional structural schematic diagram of the endoscope handle in some embodiments;

[0033] Figure 4 The figure shows the top view structural schematic diagram of part of the endoscope handle when the self-locking piece is in the unlocked state in some embodiments;

[0034] Figure 5 The figure shows Figure 4 The figure shows the local enlarged structural schematic diagram of part A in some embodiments;

[0035] Figure 6 The figure shows the top view structural schematic diagram of part of the endoscope handle when the self-locking piece is in the self-locking state in some embodiments;

[0036] Figure 7 The figure shows Figure 6 The figure shows the local enlarged structural schematic diagram of part B in some embodiments;

[0037] Figure 8A cross-sectional structure schematic diagram of an endoscope handle in some embodiments is shown;

[0038] Figure 9 A cross-sectional structure schematic diagram of an endoscope handle in some embodiments is shown; Figure 8 A partial enlarged structure schematic diagram of part C in FIG. 10 is shown;

[0039] Figure 10 A cross-sectional structure schematic diagram of an endoscope handle in some embodiments is shown.

[0040] Main element symbol explanation:

[0041] 1000 - endoscope handle;

[0042] 100 - housing assembly; 101 - accommodating cavity; 110 - first housing; 111 - clamping jaw; 112 - support part; 113 - sink groove; 114 - limiting block; 1141 - positioning groove; 120 - second housing;

[0043] 200 - rotating wheel; 210 - rotating wheel body; 220 - connecting shaft;

[0044] 300 - handle; 310 - handle body; 311 - first structure segment; 312 - second structure segment; 320 - connecting sleeve; 321 - connecting groove;

[0045] 400 - self-locking piece; 401 - unlocking state; 402 - self-locking state; 410 - self-locking sleeve; 411 - gradual change arc structure; 412 - stroke groove; 413 - convex point; 414 - positioning convex part; 420 - operation handle;

[0046] 500 - screw; M - self-locking direction. DETAILED DESCRIPTION

[0047] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0048] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0049] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0050] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0051] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0052] like Figure 1 As shown, the embodiment provides an endoscope handle 1000, which can be applied to an endoscope system and can be used to lock the pull wire in the endoscope system, thereby locking the bending of the endoscope body.

[0053] like Figures 1 to 3 As shown, in some embodiments, the endoscope handle 1000 includes a housing assembly 100, a rotary wheel 200, a handle 300, and a self-locking element 400.

[0054] The inside of the shell assembly 100 is a hollow structure and is provided with a receiving cavity 101. The handle 300 is rotatably installed on the side of the shell assembly 100 away from the receiving cavity 101, i.e., the handle 300 is rotatably installed on the outside of the shell assembly 100, which can be operated by a user.

[0055] The rotating wheel 200 is arranged in the receiving cavity 101 of the shell assembly 100 and is rotatably connected with the shell assembly 100. In addition, the rotating wheel 200 includes a connecting shaft 220. The connecting shaft 220 can be arranged through the shell assembly 100 and is in driving connection with the handle 300. When the operator rotates the handle 300, the rotating wheel 200 can be driven to rotate synchronously.

[0056] In some embodiments, the side of the shell assembly 100 facing the handle 300 is provided with at least two clamping jaws 111, which are arranged on the circumferential side of the connecting shaft 220 and are coaxially arranged with the connecting shaft 220.

[0057] The self-locking piece 400 is arranged on the circumferential side of the at least two clamping jaws 111. In an embodiment, the self-locking piece 400 has a self-locking state 402 and an unlocking state 401.

[0058] When the self-locking piece 400 is in the self-locking state 402, the self-locking piece 400 can press the at least two clamping jaws 111 and make the at least two clamping jaws 111 clamp the connecting shaft 220. Thus, the rotating wheel 200 can be fixed relative to the shell assembly 100, i.e., the self-locking of the rotating wheel 200 is realized, and the self-locking function of the endoscope handle 1000 is realized. Figures 1 to 3 Figure 4 When the self-locking piece 400 is in the unlocking state 401, the self-locking piece 400 can release the at least two clamping jaws 111 and make the at least two clamping jaws 111 release the connecting shaft 220. Thus, the rotating wheel 200 can be smoothly rotated relative to the shell assembly 100, the unlocking effect is realized, and the adjustment of the bending degree of the scope is facilitated. Figure 6 In the embodiment of the present application, the at least two clamping jaws 111 are coaxially arranged with the connecting shaft 220 of the rotating wheel 200. When the rotating wheel 200 is locked, the force applied by the at least two clamping jaws 111 to the rotating wheel 200 can be distributed at different positions on the circumferential side of the rotating wheel 200, so that the stress on the circumferential side of the rotating wheel 200 is more balanced, the self-locking effect is improved, and the operator can obtain a better operation feeling.

[0059] When the self-locking piece 400 is in the self-locking state 402, the self-locking piece 400 can press the at least two clamping jaws 111 and make the at least two clamping jaws 111 clamp the connecting shaft 220. Thus, the rotating wheel 200 can be fixed relative to the shell assembly 100, i.e., the self-locking of the rotating wheel 200 is realized, and the self-locking function of the endoscope handle 1000 is realized.

[0060] When the self-locking piece 400 is in the unlocking state 401, the self-locking piece 400 can release the at least two clamping jaws 111 and make the at least two clamping jaws 111 release the connecting shaft 220. Thus, the rotating wheel 200 can be smoothly rotated relative to the shell assembly 100, the unlocking effect is realized, and the adjustment of the bending degree of the scope is facilitated.

[0061] Figures 1 to 3 ​​As shown, in some embodiments, the housing assembly 100 may include a first housing 110 and a second housing 120. The first housing 110 and the second housing 120 are disposed opposite to each other, and are fixedly connected or detachably fixedly connected. The fixed connection may be, for example, welding or bonding, while the detachable fixed connection may be achieved through screws or snap-fit ​​connections. In some embodiments, the first housing 110 and the second housing 120 may cooperate to form a receiving cavity 101.

[0062] like Figures 1 to 3 As shown, in some embodiments, the wheel 200 further includes a wheel body 210. A connecting shaft 220 passes through the wheel body 210, and the connecting shaft 220 may be coaxially arranged with the wheel body 210. In some embodiments, the wheel body 210 and the connecting shaft 220 may be an integral structure.

[0063] In some embodiments, the wheel body 210 may be disposed in the receiving cavity 101 of the housing assembly 100 and rotatably disposed relative to the housing assembly 100. A pull wire for bending the traction mirror body may be wound around the wheel body 210. The connecting shaft 220 may pass through the first housing 110 and protrude from the side of the first housing 110 opposite to the second housing 120.

[0064] In some embodiments, the handle 300 may include a connected handle body 310 and a connecting sleeve 320. The handle body 310 and the connecting sleeve 320 may be integrally formed or detachably fixedly connected. The handle body 310 may be generally L-shaped. Accordingly, the handle body 310 may include a connected first structural segment 311 and a second structural segment 312, with the first structural segment 311 being generally perpendicular to the second structural segment 312. In an embodiment, the first structural segment 311 is spaced apart on the side of the first housing 110 opposite to the second housing 120. The second structural segment 312 extends toward the first structural segment 311 near the connecting shaft 220 and is spaced apart on one side of the housing assembly 100.

[0065] The connecting sleeve 320 can protrude from the side of the first structural section 311 facing the first housing 110. The connecting sleeve 320 can be sleeved on the end of the connecting shaft 220 that protrudes from the first housing 110, and is limited to abutting against the side of the first housing 110 away from the second housing 120.

[0066] In this embodiment, the connecting sleeve 320 may have a non-circular fit with the connecting shaft 220. Specifically, the cross-section of the end of the connecting shaft 220 protruding relative to the first housing 110 may be non-circular, and this cross-section may be perpendicular to the axial direction of the connecting shaft 220. The connecting sleeve 320 has a connecting groove 321, which is located on the side of the connecting sleeve 320 facing the first housing 110. The cross-section of the connecting groove 321 perpendicular to the axial direction of the connecting shaft 220 may also be non-circular, and its shape is consistent with the cross-sectional shape of the end of the connecting shaft 220 protruding relative to the first housing 110. Thus, relative rotation between the connecting sleeve 320 and the connecting shaft 220 can be prevented, i.e., relative rotation between the handle 300 and the connecting shaft 220 can be prevented, ensuring that the rotating wheel 200 can be driven to rotate synchronously when the handle 300 is operated.

[0067] In some embodiments, a screw 500 can be inserted into the connecting shaft 220 from the end of the connecting shaft 220 away from the connecting sleeve 320, and extend to the connecting sleeve 320 and be screwed into the connecting sleeve 320. The head of the screw 500 can be limited to abut against the end face of the connecting shaft 220 away from the connecting sleeve 320. Thus, a fixed connection between the wheel 200 and the handle 300 can be achieved.

[0068] In other embodiments, the connecting sleeve 320 and the connecting shaft 220 can also be fixedly connected by means of bonding or riveting.

[0069] During use, the operator can turn the handle 300 to drive the rotating wheel 200 to rotate, and then the rotation of the rotating wheel 200 will drive the pull wire to bend the mirror body.

[0070] like Figures 2 to 6 As shown, in some embodiments, a recessed groove 113 may be formed on the side of the first housing 110 opposite to the second housing 120. The groove 113 may be formed by the first housing 110 recessing towards the second housing 120. A connecting shaft 220 may pass through the groove 113, and one end of the connecting shaft 220 may protrude relative to the opening of the groove 113 on the side opposite to the second housing 120, and be connected to the connecting sleeve 320 of the handle 300. In some embodiments, the groove 113 may be coaxially arranged with the connecting shaft 220.

[0071] The gripper 111 can extend and protrude from the bottom of the sink 113 in a direction away from the second housing 120, and the gripper 111 is also accommodated in the sink 113.

[0072] In some embodiments, the side of the first housing 110 facing away from the second housing 120 can be provided with two clamping jaws 111. The two clamping jaws 111 can be arranged around the circumference of the connecting shaft 220 and evenly distributed, i.e., the two clamping jaws 111 are oppositely arranged. When the self-locking member 400 is in the self-locking state 402, the self-locking member 400 can press the two clamping jaws 111 and drive the two clamping jaws 111 to clamp the connecting shaft 220. In embodiments, the two clamping jaws 111 are symmetrically arranged, and accordingly, the force exerted by the two clamping jaws 111 on the rotating wheel 200 can also be symmetrically distributed, so that the force on the circumference of the rotating wheel 200 is more balanced, the self-locking effect is improved, and the operator can obtain a better operation feeling.

[0073] In other embodiments, the side of the first housing 110 facing away from the second housing 120 can also be provided with three, four, or six clamping jaws 111, etc. The plurality of clamping jaws 111 can be arranged around the circumference of the connecting shaft 220 at intervals, evenly or unevenly. When the self-locking member 400 is in the self-locking state 402, the self-locking member 400 can simultaneously press the plurality of clamping jaws 111 and drive the plurality of clamping jaws 111 to clamp the connecting shaft 220.

[0074] In some embodiments, when the two clamping jaws 111 clamp the connecting shaft 220, the surfaces of the two clamping jaws 111 on the side facing the connecting shaft 220 can be in contact with the connecting shaft 220, i.e., the clamping jaws 111 and the connecting shaft 220 are in surface contact.

[0075] In embodiments, the shape of the surface of the clamping jaw 111 on the side facing the connecting shaft 220 can match the shape of the connecting shaft 220 at the position opposite to the clamping jaw 111. In some embodiments, the section of the connecting shaft 220 opposite to the two clamping jaws 111 can be a cylindrical shape. Correspondingly, the surfaces of the two clamping jaws 111 on the side facing the connecting shaft 220 can be arc surfaces, i.e., parts of a cylindrical surface, and can be on the same cylindrical surface. When the two clamping jaws 111 clamp the connecting shaft 220, the surfaces of the two clamping jaws 111 on the side facing the connecting shaft 220 can be in contact with the outer wall surface of the connecting shaft 220. Thus, the contact area between the two clamping jaws 111 and the connecting shaft 220 can be increased, the resistance when the connecting shaft 220 rotates relative to the two clamping jaws 111 can be increased, the possibility of the self-locking member 400 being unlocked in the self-locking state 402 can be reduced, and the stability of the self-locking function of the endoscope handle 1000 can be ensured.

[0076] In other embodiments, the section of the connecting shaft 220 opposite to the two clamping jaws 111 can also be a polygonal column structure such as a quadrangular prism or a pentagonal prism. The surfaces of the two clamping jaws 111 on the side facing the connecting shaft 220 can be parts of corresponding prism surfaces and can be on the same prism surface.

[0077] In some other embodiments, when the self-locking member 400 is in the self-locking state 402, that is, when the two grippers 111 clamp the connecting shaft 220, the two grippers 111 and the connecting shaft 220 may also be in line contact.

[0078] like Figure 2 , Figures 4 to 7 As shown, in some embodiments, the surface of the gripper 111 facing away from the connecting shaft 220 is also an arc surface. Furthermore, the surfaces of the two grippers 111 facing away from the connecting shaft 220 can be on the same cylindrical surface and coaxial with the connecting shaft 220.

[0079] In some embodiments, the first housing 110 is further provided with two support portions 112 on the side opposite to the second housing 120. The two support portions 112 may also be arranged around the periphery of the connecting shaft 220, and the two support portions 112 may be alternately arranged with the two grippers 111 in sequence.

[0080] In this embodiment, the surface of the support portion 112 facing the connecting shaft 220 can be an arc surface. Furthermore, the diameter of the surface of the support portion 112 facing the connecting shaft 220 can be equal to the diameter of the surfaces of the two grippers 111 facing the connecting shaft 220. That is, the inner diameter of the support portion 112 and the inner diameter of the grippers 111 are equal, and both are equal to or slightly larger than the diameter of the segment of the connecting shaft 220 opposite to the grippers 111.

[0081] The surface of the support portion 112 facing away from the connecting shaft 220 can also be an arc surface and coaxially arranged with the connecting shaft 220. In some embodiments, the diameter of the surface of the gripper 111 facing away from the connecting shaft 220 (i.e., the outer diameter d1 of the gripper 111) can be larger than the diameter of the surface of the support portion 112 facing away from the connecting shaft 220 (i.e., the outer diameter d2 of the support portion 112). That is, the two grippers 111 can protrude radially along the connecting shaft 220 relative to the side of the support portion 112 facing away from the connecting shaft 220.

[0082] like Figures 2 to 7 As shown, in some embodiments, the self-locking member 400 may include an integral self-locking sleeve 410 and an operating handle 420. The operating handle 420 may be connected to one side of the self-locking sleeve 410 and extend radially along the self-locking sleeve 410. Furthermore, the operating handle 420 may be located at one end of the self-locking sleeve 410 in the axial direction.

[0083] In some embodiments, the self-locking sleeve 410 can be inserted into the recess 113 and arranged on the side of the two clamping jaws 111 and the two supporting portions 112 away from the connecting shaft 220. The operation handle 420 can be arranged on the side of the recess 113 away from the second housing 120 and between the first housing 110 and the first structure section 311 of the handle 300 in the axial direction of the connecting shaft 220. In addition, the operation handle 420 can be arranged in a staggered manner with the handle 300 in the circumferential direction of the connecting shaft 220, so that the operation handle 420 and the handle 300 can be easily touched by the operator respectively to perform relevant operations.

[0084] In some embodiments, the side of the self-locking sleeve 410 facing the clamping jaws 111 can be provided with at least two gradually changing arc structures 411, which can correspond to the at least two clamping jaws 111 one by one.

[0085] In some embodiments, the side of the self-locking sleeve 410 facing the clamping jaws 111 can be provided with two gradually changing arc structures 411, one of which can be arranged opposite one of the clamping jaws 111, and the other of which can be arranged opposite the other clamping jaw 111.

[0086] In some embodiments, the self-locking member 400 can be provided with a self-locking direction M. The self-locking direction M can be indicated by the position of the operation handle 420 when the self-locking member 400 is in the unlocked state 401 to the position of the operation handle 420 when the self-locking member 400 is in the self-locking state 402.

[0087] In some embodiments, the diameter of the gradually changing arc structure 411 can gradually increase along the self-locking direction M. In addition, the minimum diameter of the gradually changing arc structure 411 can be smaller than the diameter of the surface of the clamping jaw 111 away from the connecting shaft 220 (i.e., the outer diameter d1 of the clamping jaw 111), and the maximum diameter of the gradually changing arc structure 411 can be greater than the diameter of the surface of the clamping jaw 111 away from the connecting shaft 220 (i.e., the outer diameter d1 of the clamping jaw 111).

[0088] When the self-locking member 400 rotates along the self-locking direction M, the self-locking sleeve 410 can gradually press the two clamping jaws 111 and drive the two clamping jaws 111 to gradually clamp the connecting shaft 220 to clamp and fix the connecting shaft 220. When it is necessary to unlock the rotating wheel 200, the self-locking member 400 can be rotated in the opposite direction of the self-locking direction M, and the gradually changing arc structure 411 can gradually separate from the opposite clamping jaw 111, so that the two clamping jaws 111 can gradually release the connecting shaft 220, and the rotating wheel 200 can rotate relative to the housing.

[0089] In this embodiment, during the transition of the self-locking member 400 from the unlocked state 401 to the self-locking state 402, the self-locking member 400 gradually drives the two grippers 111 to clamp the connecting shaft 220, and gradually increases the clamping force applied to the connecting shaft 220 by the two grippers 111. Correspondingly, the operator can also adjust the clamping force applied to the connecting shaft 220 by the two grippers 111, i.e., the self-locking force of the endoscope handle 1000 can be adjusted as needed. For example, when it is necessary to increase the self-locking force on the connecting shaft 220, the self-locking member can be rotated in the self-locking direction M. When it is necessary to decrease the self-locking force on the connecting shaft 220, the self-locking member 400 can be rotated in the opposite direction of the self-locking direction M to reduce the force applied to the connecting shaft 220 by the grippers 111.

[0090] like Figure 8 and Figure 9 As shown, in some embodiments, the outer wall of the self-locking sleeve 410 opposite to the gripper 111 has a travel groove 412. A limiting block 114 can be protruded from the side wall of the recess 113 opposite to the gripper 111, and the limiting block 114 can be slidably disposed in the travel groove 412. Thus, the limiting block 114 and the travel groove 412 cooperate to limit the rotational travel of the self-locking member 400, i.e., limit the self-locking travel, preventing the self-locking member 400 from rotating excessively and causing the endoscope handle 1000 to malfunction.

[0091] In other embodiments, the travel groove 412 may also be formed on the inner wall of the recess 113 facing the connecting shaft 220, and the limiting block 114 may be protruding on the side of the self-locking sleeve 410 away from the connecting shaft 220.

[0092] In some embodiments, the outer diameter d3 of the self-locking sleeve 410 may be slightly larger than the inner diameter d4 of the countersunk groove 113, that is, the self-locking sleeve 410 may have a slight interference fit with the inner wall of the countersunk groove 113 on the side facing the gripper 111. When the self-locking member 400 rotates relative to the first housing 110, there may be a certain resistance. Thus, the self-locking member 400 can be suspended at any angle, realizing stepless adjustment of the self-locking force.

[0093] In some embodiments, the outer diameter d3 of the self-locking sleeve 410 is 0.01 mm to 0.05 mm larger than the inner diameter d4 of the recess 113. This ensures that the self-locking sleeve 410 can rotate relative to the first housing 110 under external force, while also allowing the self-locking sleeve 410 to be arbitrarily suspended relative to the first housing 110. Exemplarily, in some embodiments, the outer diameter d3 of the self-locking sleeve 410 may be 0.01 mm, 0.015 mm, 0.018 mm, 0.022 mm, 0.027 mm, 0.03 mm, 0.035 mm, 0.039 mm, 0.042 mm, 0.045 mm, 0.048 mm, 0.05 mm, or any other value from 0.01 mm to 0.05 mm larger than the inner diameter d4 of the recess 113.

[0094] In some other embodiments, the outer diameter d3 of the self-locking sleeve 410 can also be equal to the inner diameter d4 of the recess 113. When the self-locking member 400 is in the self-locking state 402, the self-locking member 400 can also be fixed by the force between the self-locking member 400 and the clamping jaw 111.

[0095] As shown in FIGS. 1, 2 and 3, in some embodiments, the bottom of the stroke groove 412 opposite to the limiting block 114 can be protruded with a plurality of convex points 413. The side surface of the convex points 413 away from the connecting shaft 220 can be a circular arc surface. When the limiting block 114 passes through the convex points 413, an interference fit can be formed, and the self-locking member 400 can be kept in this position. At the same time, the hand feeling of the operator during operation can also be enhanced. Figure 8 Figure 9 As shown in FIGS. 1, 2 and 3, in some embodiments, the bottom of the stroke groove 412 opposite to the limiting block 114 can be protruded with a plurality of convex points 413. The side surface of the convex points 413 away from the connecting shaft 220 can be a circular arc surface. When the limiting block 114 passes through the convex points 413, an interference fit can be formed, and the self-locking member 400 can be kept in this position. At the same time, the hand feeling of the operator during operation can also be enhanced.

[0096] As shown in FIGS. 1, 2 and 3, in some embodiments, the bottom of the stroke groove 412 opposite to the limiting block 114 can be protruded with a plurality of convex points 413. The side surface of the convex points 413 away from the connecting shaft 220 can be a circular arc surface. When the limiting block 114 passes through the convex points 413, an interference fit can be formed, and the self-locking member 400 can be kept in this position. At the same time, the hand feeling of the operator during operation can also be enhanced.

[0097] As shown in FIGS. 1, 2 and 3, in some embodiments, the bottom of the stroke groove 412 opposite to the limiting block 114 can be protruded with a plurality of convex points 413. The side surface of the convex points 413 away from the connecting shaft 220 can be a circular arc surface. When the limiting block 114 passes through the convex points 413, an interference fit can be formed, and the self-locking member 400 can be kept in this position. At the same time, the hand feeling of the operator during operation can also be enhanced. Figure 10 As shown in FIGS. 1, 2 and 3, in some embodiments, the bottom of the stroke groove 412 opposite to the limiting block 114 can be protruded with a plurality of convex points 413. The side surface of the convex points 413 away from the connecting shaft 220 can be a circular arc surface. When the limiting block 114 passes through the convex points 413, an interference fit can be formed, and the self-locking member 400 can be kept in this position. At the same time, the hand feeling of the operator during operation can also be enhanced.

[0098] In some other embodiments, the self-locking member 400 can also be a clamp. When the operator needs to lock the rotating wheel 200, the operator can tighten the bolt on the self-locking member 400, so that the self-locking member 400 drives the two clamping jaws 111 to clamp the connecting shaft 220, to realize the self-locking function.

[0099] In summary, the endoscope handle 1000 provided by the embodiments of the present application has fewer parts, which can simplify the assembly process, reduce production costs, and improve production capacity. In addition, the circumferential stress of the connecting shaft 220 can be more balanced, the self-locking effect can be improved, and the hand feeling of the operator during operation can also be improved. Furthermore, stepless adjustment or multi-position adjustment of the self-locking force can also be realized.

[0100] The embodiments also provide an endoscope system, which can include the endoscope handle 1000 provided by the embodiments.

[0101] ​In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0102] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. An endoscope handle, characterized by, The shell assembly, the rotating wheel, the handle and the self-locking part are included. The handle is rotatably installed on one side of the shell assembly, and the rotating wheel is rotatably installed in the shell assembly. The shell assembly is provided with at least two clamping jaws on the side facing the handle, and the at least two clamping jaws are coaxially arranged on the connecting shaft. The self-locking part includes a self-locking sleeve, which is inserted into the sink and sleeved on the periphery of the at least two clamping jaws. The outer diameter d3 of the self-locking sleeve is greater than or equal to the inner diameter d4 of the sink, so that the self-locking part hovers at any angle. When the self-locking part is in the self-locking state, the self-locking part extrudes the at least two clamping jaws and makes the at least two clamping jaws clamp the connecting shaft.

2. The endoscope handle of claim 1, wherein When the self-locking part is in the unlocking state, the self-locking part releases the at least two clamping jaws and makes the at least two clamping jaws release the connecting shaft. The shell assembly is further provided with at least two support portions on the side facing the handle.

3. The endoscope handle of claim 1, wherein The outer diameter d1 of the clamping jaw is greater than the outer diameter d2 of the support portion. The self-locking part is further provided with a self-locking direction.

4. The endoscope handle of claim 1, wherein The diameter of the gradually changing arc structure gradually increases along the self-locking direction.

5. The endoscope handle according to any one of claims 1 to 4, characterized in that When the self-locking part is in the self-locking state, the clamping jaw and the connecting shaft are in surface contact.

6. The endoscope handle of any one of claims 1 to 4, wherein The number of clamping jaws is two, and the two clamping jaws are symmetrically arranged on both sides of the connecting shaft. The shell assembly is provided with a sink on the side facing the handle. The self-locking part includes a self-locking sleeve.

7. The endoscope handle of claim 6, wherein One of the side of the self-locking sleeve away from the connecting shaft and the inner wall of the side of the sink facing the connecting shaft is provided with a stroke groove, and the other is provided with a limiting block. The bottom of the stroke groove is provided with a convex point. Further, the number of convex points is multiple. The convex points are arranged around the connecting shaft.

8. The endoscope handle of claim 6, wherein, One of the bottom of the stroke slot and the side of the limiting block facing the bottom of the stroke slot is provided with a positioning slot, and the other is provided with a positioning protrusion. The positioning slot or the positioning protrusion arranged at the bottom of the stroke slot is provided with a plurality of positioning slots.

9. The endoscope handle of any one of claims 1 to 4, wherein, The outer diameter d3 of the self-locking sleeve is 0.01mm to 0.05mm larger than the inner diameter d4 of the sink.

10. An endoscope system characterized by comprising: An endoscope handle comprising any one of claims 1 to 9.

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