Rocker mechanism and operating handle

Abstract

The utility model provides a rocker mechanism and an operating handle, and the rocker mechanism comprises a mounting seat; the outer sleeve is connected with the mounting base, and a first limiting part is arranged at the end, away from the mounting base, of the outer sleeve; the supporting column is mounted in a pipe cavity of the outer sleeve and can move in the axis direction of the pipe cavity, and a mounting groove is formed in the end, away from the mounting base, of the supporting column; the ball head rod is provided with a ball head part, the ball head part is installed in the installation groove and limited between the supporting column and the first limiting part, the ball head part can move in the installation groove, and the end, away from the ball head part, of the ball head rod penetrates out of the outer sleeve; the elastic piece is arranged in a pipe cavity of the outer sleeve and can extrude the supporting column towards the side far away from the mounting base; and the rocker assembly is connected with the part, penetrating out of the outer sleeve, of the ball head rod, and the rocker assembly is used for controlling the ball head rod to enable the ball head rod to move in the mounting groove. The rocker mechanism has the advantages of being good in operation hand feeling, smooth in bending adjustment operation and high in bending adjustment precision.

Description

TECHNICAL FIELD

[0001] The utility model relates to an endoscope, especially an endoscope rocker mechanism and operating handle. BACKGROUND

[0002] Industrial endoscope is an important detection tool in present engineering operation, can realize viewing some secret even the area that the vision cannot reach without carrying out large-scale disassembly or needing to damage target object. Usually industrial endoscope is equipped with operating handle, sets up rocker mechanism on operating handle, controls the bending direction of endoscope far end through rocker mechanism, controls the direction of insertion and observation of endoscope.

[0003] In the related art, the rocker mechanism usually adopts a ball head structure to achieve a movable connection with the operating handle. Since the rocker mechanism is often moved relative to the operating handle during use, the ball head structure is prone to loosen, which not only affects the operation feeling, but also affects the bending operation. SUMMARY

[0004] The first purpose of the utility model is to provide a rocker mechanism. The elastic member is arranged to press the support column to the side away from the mounting seat by the elastic force, so that the groove wall of the mounting groove is always in close contact with the ball head. This can not only improve the operation feeling, but also improve the precision of the bending operation of the distal end of the industrial endoscope.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a rocker mechanism, comprising: a mounting seat; an outer sleeve connected with the mounting seat, the end of the outer sleeve away from the mounting seat is provided with a first limiting part; a support column installed in the lumen of the outer sleeve, the support column can move along the axis direction of the lumen, the end of the support column away from the mounting seat is provided with a mounting groove; a ball head rod having a ball head, the ball head is installed in the mounting groove and is limited between the support column and the first limiting part, the ball head can move in the mounting groove, the end of the ball head rod away from the ball head penetrates out of the outer sleeve; an elastic member arranged in the lumen of the outer sleeve, the first end of the elastic member is connected with the support column, the second end of the elastic member is connected with the mounting seat, the elastic member can press the support column to the side away from the mounting seat; and a rocker assembly connected with the part of the ball head rod penetrating out of the outer sleeve, the rocker assembly is used for controlling the ball head rod to move in the mounting groove.

[0006] In one embodiment, the end of the support column close to the mounting seat is provided with a reduced diameter part, and the elastic member is sleeved on the reduced diameter part.

[0007] In one of the embodiments, the mounting base comprises a base body with a mounting boss, an assembly groove is arranged on the base body and penetrates through the mounting boss, and a portion of the outer sleeve is mounted in the assembly groove; and a bottom plate is arranged on a side of the base body away from the mounting boss, the bottom plate is detachably connected with the base body, and the outer sleeve is limited in the assembly groove by the bottom plate.

[0008] In one of the embodiments, an end of the mounting boss away from the bottom plate is provided with a second limiting part, and an end of the outer sleeve close to the base body is provided with an enlarged diameter part, which is limited in the assembly groove by the second limiting part and the bottom plate.

[0009] In one of the embodiments, a through hole is arranged on the bottom plate, the reduced diameter part comprises a first part and a second part connected with the first part, the second part penetrates through the through hole, and a radial dimension of the first part is greater than a radial dimension of the through hole.

[0010] In one of the embodiments, the rocker assembly comprises a linkage connected with a portion of the ball head rod penetrating through the outer sleeve, an operating rod with an operating end and a reduced diameter end, the reduced diameter end penetrating into the linkage, the operating rod having a channel axially penetrating through the operating end and the reduced diameter end, and a fastener with a connecting end, the fastener penetrating through the channel and the connecting end penetrating out of the channel and being connected with the ball head rod, so as to lock and fix the operating rod and the linkage, and enable the operating rod, the linkage and the ball head rod to move synchronously.

[0011] It can be seen that the rocker mechanism disclosed by the utility model has the advantages that the elastic member is arranged between the supporting column and the mounting base, and the elastic member is in a compressed state after the rocker mechanism is assembled, the supporting column is extruded to a side away from the mounting base by the restoring force of the elastic member, the groove wall of the mounting groove is always in close contact with the ball head, the friction of the ball head relative to the mounting groove is increased, the ball head rod has certain damping force when being controlled, the rocker mechanism can improve the operation feeling of the rocker, the ball head is tightly pressed against the first limiting part by the supporting column, the ball head is stably and firmly limited between the supporting column and the first limiting part, the problem that the ball head is loose due to frequent operation is avoided, and the precision of the bending operation of the distal end of the industrial endoscope is improved.

[0012] The second purpose of the utility model is to provide an operation handle which has the effects of good operation feeling, smooth bending operation and high bending precision.

[0013] In order to achieve the above object, the utility model provides technical schemes as follows: An operating handle, comprising: a shell; a rocker mechanism as described above, a part of the rocker mechanism is arranged in the shell and is connected with the inner wall of the shell through the mounting seat, and the operating end of the operating rod extends out of the shell; a lens assembly is connected with the shell, the proximal end of the lens assembly penetrates into the shell and is connected with the linkage, and the distal end of the lens assembly extends to the side away from the shell; and a protection connecting assembly is sleeved on the proximal end of the lens assembly and is connected with the shell, and the proximal end of the lens assembly is connected with the shell through the protection connecting assembly.

[0014] In one of the embodiments, the lens assembly comprises a lens guide tube and a traction line penetrating the lens guide tube, the distal end of the traction line is connected with the distal end of the lens guide tube, the proximal end of the traction line penetrates the proximal end face of the lens guide tube and is connected with the linkage; the operating rod is controlled to move the ball head rod relative to the support column, drives the linkage to move, and the traction line can be controlled to move, thereby controlling the bending of the distal end of the lens guide tube.

[0015] In one of the embodiments, the outer side wall of the linkage is provided with a linkage end head, the linkage end head is provided with a clamping groove, the side wall of the clamping groove is provided with a mounting opening, the proximal end of the traction line is connected with a fixing block, the traction line enters the clamping groove through the mounting opening and is limitingly installed in the clamping groove through the fixing block.

[0016] In one of the embodiments, the protection connecting assembly comprises: a connecting piece arranged in the shell and sleeved on the proximal end of the lens guide tube, the connecting piece is provided with a limit table and an assembly segment, the limit table cooperates with the inner wall of the shell to limit the connecting piece in the shell, and the assembly segment extends out of the shell; a locking piece is sleeved on the proximal end of the lens guide tube and is assembled with the assembly segment, so that the locking piece and the limit part clamp the shell; and a winding piece is wound on the outer side wall of the proximal end of the lens guide tube, and the proximal end of the winding piece is connected with the connecting piece.

[0017] It can be known through analysis that the utility model discloses an operating handle, the bending direction of the lens assembly is controlled through the arranged rocker mechanism, on the one hand, the operation feeling of the rocker can be improved, on the other hand, the setting of the elastic piece can make the support column abut the ball head part against the first limit part, so that the ball head part is stably and firmly limited between the support column and the first limit part, the problem that the ball head part is loose due to frequent operation is avoided, and the precision of the remote bending operation of the industrial endoscope is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings accompanying the specification of the present application serve to provide further understanding of the present application, the illustrative embodiments of the present application and the description thereof serve to explain the present application, and do not constitute an improper limitation on the present application. Among them,

[0019] Figure 1 is the overall structure schematic view of the operating handle of an embodiment of the present application.

[0020] Figure 2 is the front view corresponding to Figure 1 .

[0021] Figure 3 is the sectional view after cutting along the cutting line A-A in Figure 2 .

[0022] Figure 4 is the exploded view of the operating handle of an embodiment of the present application.

[0023] Figure 5 is the overall structure schematic view of the operating handle of another embodiment of the present application.

[0024] Figure 6 is the structure schematic view of the first shell of an embodiment of the present application.

[0025] Figure 7 is the structure schematic view of the second shell of an embodiment of the present application.

[0026] Figure 8 is the structure schematic view of the rocker mechanism, the protective connection assembly and the lens guide tube of an embodiment of the present application.

[0027] Figure 9 is the structure schematic view of the mounting seat, the outer sleeve, the supporting column, the ball head rod and the elastic member of an embodiment of the present application.

[0028] Figure 10 is the structure schematic view of the mounting seat, the outer sleeve, the supporting column, the ball head rod and the elastic member of another embodiment of the present application.

[0029] Figure 11 is the front view of the outer sleeve, the supporting column, the elastic member and the mounting seat after assembly of an embodiment of the present application.

[0030] Figure 12 is the sectional view after cutting along the cutting line B-B in Figure 11 .

[0031] Figure 13 is the structure schematic view of the rocker mechanism and the traction line, the traction guide tube, the fixing member and the fixing block of an embodiment of the present application.

[0032] Figure 14is along Figure 13 is a sectional view after cutting along the cutting line C-C.

[0033] Figure 15 is an exploded view of the rocker assembly of an embodiment of the utility model.

[0034] Figure 16 is a structure schematic view of the linkage of an embodiment of the utility model.

[0035] Mark explanation:

[0036] 1, shell;11, first shell;110, first plug hole;111, joint;112, recess;113, mounting portion;1131, mounting hole;114, first decorative piece;1141, first plug column;115, limit strip;12, second shell;120, second plug hole;121, joint block;122, convex strip;123, installation mouth;1230, buckle;1231, installation platform;13, first decorative piece;130, index slot;131, first plug column;14, second decorative piece;141, second plug column;15, compression fixing assembly;151, limit plate;152, cover plate;1521, joint block;153, compression fixing plate;2, rocker mechanism;21, mounting seat;211, seat body;2110, assembly groove;2111, mounting boss;2112, second limit portion;2113, sunken groove;212, bottom plate;2120, through hole;22, outer sleeve;220, lumen;221, first limit portion;222, diameter expansion portion;23, support column;230, installation groove;231, diameter reduction portion;2311, first part;2312, second part;24, ball head rod;241, ball head portion;242, assembly portion;2420, assembly hole;2421, fastening sleeve;243, connecting portion;25, elastic member;251, first end;252, second end;26, rocker assembly;261, linkage;2610, containing cavity;2611, linkage body;2612, linkage end head;2613, containing groove;2614, connecting hole;2615, reinforcing rib;2616, joint slot;2617, installation opening;262, operating rod;2620, passage;2621, operating end;2622, diameter reduction end;2623, operating sleeve;263, fastening member;2631, connecting end;3, lens assembly;31, lens guide pipe;311, bending adjusting section;312, camera;32, traction line;321, fixed block;322, traction guide pipe;323, fixing member;4, protection connecting assembly;41, connecting piece;411, limit platform;42, locking piece;43, winding piece;5, power supply;6, control circuit board;7, control button. DETAILED DESCRIPTION

[0037] The present utility model will be described below in detail with reference to the drawings and in conjunction with the embodiments. Each example is provided by way of illustration of the present utility model and does not limit the present utility model. In fact, those skilled in the art will appreciate that modifications and variations can be made in the present utility model without departing from the scope or spirit of the present utility model. For example, features shown as or described as part of one embodiment can be used in another embodiment to produce yet another embodiment. Therefore, it is intended that the present utility model encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.

[0038] In the description of the present utility model, the orientations or positional relationships indicated by the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", etc. are based on the orientations or positional relationships shown in the drawings and are merely intended to facilitate the description of the present utility model and do not require that the present utility model must be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model. The terms "connected", "connected", "provided" used in the present utility model should be understood broadly, for example, can be fixedly connected, can be detachably connected; can be directly connected, can be indirectly connected through an intermediate part; can be wired electrical connection, wireless electrical connection, or wireless communication signal connection, and those skilled in the art can understand the specific meanings of the above terms according to the specific circumstances.

[0039] One or more examples of the present utility model are shown in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to identify like or similar portions of the utility model. As used herein, the terms "first", "second", and "third", etc. are used interchangeably to distinguish one element from another and are not intended to signify location or importance of the individual elements.

[0040] In the description of the embodiments of the present application, it should be noted that the end of the endoscope closer to the operator is referred to as the "proximal end", and the end farther away from the operator is referred to as the "distal end", and the "proximal end" and "distal end" of any component of the endoscope are defined according to this principle.

[0041] Please refer to Figures 1 to 16 The present embodiment relates to an operating handle, which is mainly used for industrial endoscopes. The operating handle comprises a housing 1, a rocker mechanism 2, a lens assembly 3, and a protective connection assembly 4.

[0042] Please refer to Figure 1Specifically, the first part of the rocker mechanism 2 is disposed within the housing 1 and is fixedly connected to the inner wall of the housing 1; the second part of the rocker mechanism 2 extends out of the housing 1 for operator control. The lens assembly 3 is connected to the housing 1. The proximal end of the lens assembly 3 penetrates into the housing 1 and is connected to the rocker mechanism 2. The distal end of the lens assembly 3 extends away from the housing 1. The protective connecting component 4 is fitted onto the proximal end of the lens assembly 3 and connected to the housing 1. The proximal end of the lens assembly 3 is fixedly connected to the housing 1 through the protective connecting component 4.

[0043] Please see Figures 1 to 7 In one embodiment, the housing 1 includes a first outer shell 11 and a second outer shell 12 detachably assembled with the first outer shell 11. Specifically, a snap-fit ​​connector 111 protrudes from the end face of the first outer shell 11 near the second outer shell 12, and a snap-fit ​​block 121 protrudes from the inner sidewall of the second outer shell 12. The first outer shell 11 and the second outer shell 12 are detachably connected through the mutual cooperation of the snap-fit ​​connector 111 and the snap-fit ​​block 121.

[0044] In one embodiment, a groove 112 is provided on the end face of the first housing 11 near the second housing 12. A protrusion 122 is provided on the end face of the second housing 12 near the first housing 11. When the first housing 11 and the second housing 12 are assembled, the protrusion 122 is inserted into the groove 112, thereby improving the tightness of the assembly between the first housing 11 and the second housing 12.

[0045] It is worth noting that in this embodiment, the detachable connection between the snap-fit ​​connector 111 and the snap-fit ​​block 121 puts the first housing 11 and the second housing 12 in a pre-installed state. In this state, the first housing 11 and the second housing 12 are then fixed together again using fastening screws, thereby further improving the tightness of the assembly between the first housing 11 and the second housing 12. Of course, the first housing 11 and the second housing 12 can also be detachably assembled using only the snap-fit ​​connector 111 and the snap-fit ​​block 121, or only using fastening screws.

[0046] In one embodiment, the first housing 11 further includes a mounting portion 113 disposed on an end face of the first housing 11 on the side away from the second housing 12, and the mounting portion 113 extends distally to form a protruding structure.

[0047] It should be noted that the mounting portion 113 is generally in the shape of a prism, and its cross section gradually increases from the distal end to the proximal end. A mounting hole 1131 is formed in the distal end surface of the mounting portion 113 and extends through the first shell 11. The proximal end portion of the lens assembly 3 is inserted into the mounting hole 1131 and connected to the mounting portion 113 through the protective connecting assembly 4. In this way, the lens assembly 3 can be conveniently connected to the mounting portion 113 through the protective connecting assembly 4, and the lens assembly 3 and the first shell 11 can be smoothly connected, thereby improving the integrity of the operating handle.

[0048] Please continue to refer to Figures 1 to 7 In one embodiment, the first shell 11 is provided with a first decorative piece 13. Specifically, the first shell 11 is provided with a first insertion hole 110, and the first decorative piece 13 is provided with a first insertion column 131 protruding from the side close to the first shell 11. The first decorative piece 13 is detachably assembled with the first shell 11 by the insertion of the first insertion column 131 into the first insertion hole 110. In other embodiments, the first decorative piece 13 can be detachably assembled with the first shell 11 by clamping, bonding, or screwing.

[0049] In one embodiment, the side of the first decorative piece 13 away from the first shell 11 is provided with recessed finger slots 130, and the finger slots 130 are linearly arranged. When holding the operating handle, the user can put his fingers in the finger slots 130, which can improve the grip of the handle and prevent slipping. In this embodiment, the finger slots 130 are four, and in other embodiments, the finger slots 130 can be three or two.

[0050] Please continue to refer to Figures 1 to 7 In one embodiment, the second shell 12 is provided with a second decorative piece 14. Specifically, the second shell 12 is provided with a second insertion hole 120, and the second decorative piece 14 is provided with a second insertion column 141 protruding from the side close to the second shell 12. The second decorative piece 14 is detachably assembled with the second shell 12 by the insertion of the second insertion column 141 into the second insertion hole 120. In other embodiments, the second decorative piece 14 can be detachably assembled with the second shell 12 by clamping, bonding, or screwing. In this embodiment, the side of the second decorative piece 14 away from the second shell 12 is provided with multiple protrusions to improve the anti-slip effect of the second decorative cover 14.

[0051] Please refer to Figures 2 to 4 and Figures 8 to 10In one embodiment, the rocker mechanism 2 comprises a mounting base 21, an outer sleeve 22, a support column 23, a ball head rod 24, an elastic member 25 and a rocker assembly 26.

[0052] Specifically, the mounting base 21 is fixedly installed on the inner wall of the first housing 11 by fastening screws. The outer sleeve 22 is connected with the mounting base 21, and the end of the outer sleeve 22 away from the mounting base 21 is provided with a first limiting portion 221. The support column 23 is installed in the lumen 220 of the outer sleeve 22. The support column 23 can move along the axis direction of the lumen 220. The end of the support column 23 away from the mounting base 21 is provided with a mounting groove 230. The ball head rod 24 has a ball head portion 241 installed in the mounting groove 230 and limited between the support column 23 and the first limiting portion 221. The ball head portion 241 can move in the mounting groove 230, and the end of the ball head rod 24 away from the ball head portion 241 penetrates through the lumen 220 of the outer sleeve 22 and is connected with the rocker assembly 26. The elastic member 25 is arranged in the lumen 220 of the outer sleeve 22. The elastic member 25 has a first end 251 and a second end 252, and the first end 251 is connected with the support column 23 and the second end 252 is connected with the mounting base 21. The elastic member 25 can press the support column 23 to the side away from the mounting base 21, so that the groove wall of the mounting groove 230 is always in close contact with the ball head portion 241. The rocker assembly 26 is used to control the ball head rod 24 to move in the mounting groove 230.

[0053] It should be noted that after the rocker mechanism 2 is assembled, the elastic member 25 is in a compressed state, and it can press the support column 23 to the side away from the mounting base 21 by its restoring force, so that the groove wall of the mounting groove 230 is always in close contact with the ball head portion 241, the friction of the ball head portion 241 relative to the mounting groove 230 is increased, and the ball head rod 24 has a certain damping force when it is controlled. The rocker mechanism 2 thus arranged can improve the operation feeling of the rocker on the one hand, and the arrangement of the elastic member 25 can make the support column 23 tightly press the ball head portion 241 against the first limiting portion 221, so that the ball head portion 241 is stably and firmly limited between the support column 23 and the first limiting portion 221, avoiding the problem of loosening of the ball head portion 241 due to frequent operation, and improving the precision of the remote bending operation of the industrial endoscope.

[0054] Please refer to Figures 9 to 14 In one embodiment, the mounting base 21 comprises a base body 211 and a bottom plate 212. The base body 211 has a mounting boss 2111, and the base body 211 is provided with an assembly groove 2110 penetrating the mounting boss 2111. A part of the outer sleeve 22 is installed in the assembly groove 2110. The bottom plate 212 is arranged on the side of the base body 211 away from the mounting boss 2111. The bottom plate 212 is detachably connected with the base body 211, thereby limiting the outer sleeve 22 in the assembly groove 2110.

[0055] In one of the embodiments, the end of the mounting boss 2111 away from the bottom plate 212 is provided with a second limiting portion 2112, which protrudes from the inner side wall of the assembly groove 2110. The end of the outer sleeve 22 close to the seat body 211 is provided with a diameter expansion portion 222, which is limited in the assembly groove 2110 by the second limiting portion 2112 and the bottom plate 212.

[0056] It should be noted that the end surface of the seat body 211 for mounting the bottom plate 212 is provided with a sink groove 2113, which is in communication with the assembly groove 2110. The bottom plate 212 is accommodated in the sink groove 2113 and is fixedly assembled with the seat body 211 by fastening screws, so as to define the diameter expansion portion 222.

[0057] In one of the embodiments, the end of the support column 23 close to the mounting seat 21 is provided with a diameter reduction portion 231, and the elastic member 25 is sleeved on the diameter reduction portion 231. When the elastic member 25 is elastically deformed, the diameter reduction portion 231 can guide the elastic member 25 during the deformation process, so that the deformation process of the elastic member 25 is more stable.

[0058] In one of the embodiments, the bottom plate 212 is provided with a through hole 2120, and the diameter reduction portion 231 includes a first portion 2311 and a second portion 2312 connected to one end of the first portion 2311 close to the seat body 211. The second portion 2312 passes through the through hole 2120, and the radial dimension of the first portion 2311 is greater than the radial dimension of the through hole 2120. A step surface is formed at the position where the first portion 2311 is connected to the second portion 2312, which abuts against the bottom plate 212 to prevent the support column 23 from being pulled out of the lumen 220 of the outer sleeve 22 from the through hole 2120.

[0059] It should be noted that when the rocker mechanism 2 is assembled, the end of the outer sleeve 22 with the first limiting portion 221 is first assembled into the assembly groove 2110 from the side of the seat body 211 close to the bottom plate 212, and the outer sleeve 22 is pushed away from the bottom plate 212 until the enlarged portion 222 abuts against the second limiting portion 2112; then the assembly portion 242 is assembled into the lumen 220 from the side of the outer sleeve 22 close to the mounting seat 21, and the ball head rod 24 is pushed away from the mounting seat 21 until the ball head portion 241 abuts against the first limiting portion 221; then the end of the support column 23 with the mounting groove 230 is first assembled into the lumen 220 from the side of the outer sleeve 22 close to the mounting seat 21, and the support column 23 is pushed away from the mounting seat 21 until the ball head portion 241 is accommodated in the mounting groove 230; then the elastic member 25 is sleeved on the second portion 2312, and the first end 251 abuts against the support column 23; finally, the first portion 2311 is inserted through the through hole 2120, and the bottom plate 212 and the seat body 211 are fixedly assembled by the fastening screw, and after the elastic member 25, the support column 23 and the outer sleeve 22 are limited and fixed, the rocker assembly 26 is assembled.

[0060] Please continue to refer to Figures 9 to 14 In one embodiment, the ball head rod 24 further includes an assembly portion 242 and a connecting portion 243. The assembly portion 242 and the connecting portion 243 are both located outside the outer sleeve 22, and the assembly portion 242 is connected to the ball head portion 241 through the connecting portion 243. An assembly hole 2420 is provided on the end face of the assembly portion 242 away from the ball head portion 241, and a flared structure is provided at the hole opening of the assembly hole 2420, so that the rocker assembly 26 is inserted into the assembly hole 2420 to be connected with the assembly portion 242. In this embodiment, a fastening sleeve 2421 is embedded in the assembly portion 242, which is used to cooperate with the part of the rocker assembly 26 inserted into the assembly hole 2420, so as to realize the detachable assembly of the ball head rod 24 and the rocker assembly 26. In this embodiment, the fastening sleeve 2421 is a nut embedded on the assembly portion 242, and the threaded hole thereof is matched with the assembly hole 2420, so that the rocker assembly 26 is inserted into the assembly hole 2420 to cooperate with the threaded hole.

[0061] In this embodiment, the assembly portion 242 is in a cylindrical shape, and a straight face is provided on the outer side wall of the assembly portion 242 along the axial direction. When the assembly portion 242 is assembled with the rocker assembly 26, the straight face can prevent the assembly portion 242 from rotating relative to the rocker assembly 26 around its own axis, thereby improving the control performance of the rocker assembly 26 on the ball head rod 24.

[0062] It should be noted that the radial dimension of the cross section of the assembly portion 242 is greater than that of the connecting portion 243, which can improve the structural strength of the assembly portion 242, thereby improving the stability of the assembly of the ball head rod 24 and the rocker assembly 26.

[0063] Please refer to Figures 9 to 16 In one embodiment, the rocker assembly 26 comprises a linkage 261, an operating rod 262, and a fastener 263. The linkage 261 is connected to the portion of the ball rod 24 that protrudes out of the outer sleeve 22. The operating rod 262 has an operating end 2621 and a reduced diameter end 2622. The operating end 2621 protrudes out of the second housing 12 for operating the rocker mechanism 2. The reduced diameter end 2622 penetrates into the linkage 261. The operating rod 262 has a channel 2620 that axially penetrates through the operating end 2621 and the reduced diameter end 2622. The fastener 263 has a connecting end 2631. During assembly, the fastener 263 penetrates through the channel 2620, and the connecting end 2631 penetrates out of the channel 2620 and is connected to the ball rod 24, thereby locking and fixing the operating rod 262 and the linkage 261, and enabling the ball rod 24, the linkage 261, and the operating rod 262 to move synchronously, so that the ball rod 24 and the linkage 261 can be operated by the operating rod 262.

[0064] In one embodiment, the linkage 261 comprises a linkage body 2611 and linkage tips 2612 arranged on the outer wall of the linkage body 2611. The linkage body 2611 has a receiving cavity 2610 in which the portion of the outer sleeve 22 away from the mounting base 21 is accommodated. The bottom of the receiving cavity 2610 is provided with a receiving groove 2613 in which the assembly portion 242 is accommodated. The bottom of the receiving groove 2613 is provided with a connecting hole 2614 that penetrates through the linkage body 2611, and the reduced diameter end 2622 of the operating rod 262 penetrates into the connecting hole 2614. The connecting end 2631 of the fastener 263 penetrates into the assembly hole 2420 and cooperates with the fastening sleeve 2421, thereby assembling the operating rod 262 with the assembly portion 242 and compressively fixing the linkage body 2611. The linkage tips 2612 are arranged in multiple numbers and are annularly and equidistantly arranged on the outer wall of the linkage body 2611, and are used to be connected to the lens assembly 3, thereby controlling the bending direction and bending degree of the distal end of the lens assembly 3.

[0065] In this embodiment, the linkage body 2611 is in a whole hemispherical shape, and the inner side wall of the receiving cavity 2610 is provided with reinforcing ribs 2615 that are correspondingly arranged with the linkage tips 2612, thereby improving the structural strength of the positions where the linkage tips 2612 are arranged and improving the stability of the operation process.

[0066] In one embodiment, an operating sleeve 2623 is arranged on the operating end 2621 of the operating rod 262, thereby improving the feeling of operation and the comfort when the operating end 2621 is gripped. In this embodiment, the operating sleeve 2623 is a rubber sleeve. In other embodiments, the operating sleeve 2623 can also be a plastic sleeve or a metal sleeve.

[0067] In one of the embodiments, the second shell 12 is provided with a mounting port 123, and the operation end 2621 extends to the outside of the mounting port 123 for the user to operate. The shell 1 further comprises a pressing and fixing assembly 15. The side wall of the mounting port 123 is provided with a plurality of mounting platforms 1231, and the pressing and fixing assembly 15 is mounted on the mounting platforms 1231. The pressing and fixing assembly 15 is provided with an operation port 150 for the operation rod 262 to pass through, and the operation rod 262 can move in the operation port 150 to control the lens assembly 3 through the rocker assembly 26.

[0068] In one of the embodiments, the pressing and fixing assembly 15 comprises a limiting plate 151, a cover plate 152, and a pressing and fixing plate 153. The limiting plate 151 is fixedly mounted on the mounting platform 1211 by a fastening screw, and the cover plate 152 is arranged on the side of the limiting plate 151 away from the first shell 11. The cover plate 152 is detachably assembled with the second shell 12 to press and fix the pressing and fixing plate 153 on the limiting plate 151. The end of the pressing and fixing plate 153 away from the cover plate 152 abuts against the outer side wall of the linkage body 2611 to limit the linkage body 2611 and improve the stability of the assembly of the linkage body 2611, which is more conducive to the rocker operation of the rocker assembly 26.

[0069] In one of the embodiments, the side wall of the mounting port 123 is provided with a clamping port 1230. The side wall of the cover plate 152 is provided with a clamping block 1521. The cover plate 152 is detachably assembled with the second shell 12 through the clamping of the clamping block 1521 and the clamping port 1230.

[0070] In one of the embodiments, the lens assembly 3 comprises a lens guide pipe 31 and a traction line 32 passing through the lens guide pipe 31. The proximal end of the lens guide pipe 31 is connected with the shell 1. The distal end of the traction line 32 is connected with the distal end of the lens guide pipe 31, and the proximal end of the traction line 32 passes out of the proximal end face of the lens guide pipe 31 and is connected with the linkage 261 to control the operation rod 262 to move the ball head rod 24 relative to the support column 23, drive the linkage 261 to move, and pull the traction line 32, thereby controlling the bending of the distal end of the lens guide pipe 31.

[0071] In one of the embodiments, the distal end of the lens guide pipe 31 is provided with a bending adjusting section 311 and a camera 312. The distal end of the traction line 32 is fixedly connected with the bending adjusting section 311. The camera 312 is embedded on the bending adjusting section 311, and the camera 312 can move synchronously with the bending adjusting section 311 to adjust the shooting angle.

[0072] In one of the embodiments, the linkage end head 2612 is provided with a clamping groove 2616, and the sidewall of the clamping groove 2616 is provided with a mounting opening 2617. The proximal end of the traction line 32 is connected with a fixing block 321, the traction line 32 enters the clamping groove 2616 through the mounting opening 2617, and is limitingly mounted in the clamping groove 2616 through the fixing block 321. When the operating lever 262 is operated, the traction line 32 can be pulled through the linkage 261, so as to adjust the bending direction and bending angle of the bending section 311.

[0073] In the embodiment, the linkage end head 2612 is provided with four, and the four linkage end heads 2612 are annularly and equidistantly distributed on the outer sidewall of the linkage body 2611, that is, in the direction from the proximal end to the distal end, the four linkage end heads 2612 are respectively located at the upper, lower, left and right four directions of the linkage body 2611, so as to adjust the bending section 311 in four directions. In other embodiments, the linkage end head 2612 can also be provided with two, so as to realize the two-way adjustment of the bending section 311.

[0074] In one of the embodiments, the seat body 211 is further provided with a threaded hole, and the traction line 32 is connected with the linkage end head 2612 through the threaded hole. The traction line 32 is sleeved with a traction guide tube 322, and also passes through the lens guide tube 31. The proximal end of the traction guide tube 322 is fixedly connected with a fixing piece 323, and the fixing piece 323 is used for assembling with the threaded hole, so as to fix the proximal end of the traction guide tube 322. The distal end of the traction guide tube 322 is fixedly connected with the bending section 311. The fixing piece 323 is provided with a through hole in the axial direction of the threaded hole, so as to pass through the traction line 32. The outer sidewall of the fixing piece 323 is provided with an external thread, and the fixing piece 323 is threadedly fixedly connected with the seat body 211 through the cooperation of the external thread and the threaded hole.

[0075] It should be noted that the setting of the traction guide tube 322 can effectively avoid the situation that the traction line 32 is broken due to the friction with the inner wall of the seat body 211 or the lens guide tube 31 in the process of traction, so as to improve the service life of the lens assembly 3.

[0076] In one of the embodiments, the shell 1 is further provided with a power supply 5, a control circuit board 6 and a control button 7. Specifically, the control circuit board 6 is electrically connected with the power supply 5 through wires, and the camera 312 is electrically connected with the control circuit board 6 through wires. The first decorative piece 13 and the first shell 11 are both provided with a hole position for mounting the control button 7, the control button 7 is carried on the control circuit board 6, and the operating end protrudes out of the first decorative piece 13 through the hole position, so as to be controlled by the user.

[0077] In one of the embodiments, the protection connecting assembly 4 comprises a connecting piece 41, a locking piece 42 and a winding piece 43. The connecting piece 41 is arranged in the shell 1 and sleeved on the proximal end of the lens conduit 31. The connecting piece 41 has a limiting platform 411 and an assembling section 412. The limiting platform 411 cooperates with the inner side wall of the shell 41 to be limited in the shell 1. The assembling section 412 is connected with the limiting platform 411 at one end and extends out of the shell 1 at the other end to cooperate with the locking piece 42. The locking piece 42 is sleeved on the proximal end of the lens conduit 31 and cooperates with the assembling section 412 of the connecting piece 41, so that the locking piece 42 cooperates with the limiting platform 411 to clamp the side wall of the shell 1, and the assembling of the protection connecting assembly 4 and the shell 1 is realized. The winding piece 43 is spirally wound on the outer side wall of the proximal end of the lens conduit 31. The proximal end of the winding piece 43 is fixedly connected with the connecting piece 41, and the winding piece 43 spirally winds the lens conduit 31 from the proximal end and extends to the distal end side.

[0078] In one of the embodiments, the outer side wall of the assembling section 412 is provided with external threads, the locking piece 42 is provided with a threaded hole, and the connecting piece 41 cooperates with the locking piece 42 in a threaded manner to clamp the first shell 11. The inner side wall of the first shell 11 is provided with a limiting strip 115, and the limiting strip 115 is located near the hole of the mounting hole 1141. When the limiting platform 411 is assembled, the limiting platform 411 cooperates with the limiting strip 115 to prevent the connecting piece 41 from rotating relative to the first shell 11, so that the locking piece 42 cooperates with the connecting piece 41.

[0079] It should be noted that the connecting piece 41 cooperates with the locking piece 42 in a threaded manner to clamp the first shell 11, so that the operation handle can be replaced with different lens assemblies 3 through the detachable connection of the connecting piece 41 and the locking piece 42, thereby achieving the effect of replacing different endoscopes lenses.

[0080] In one of the embodiments, the connecting piece 41 is provided with a circular hole, the lens conduit 31 is arranged through the circular hole, and the end of the proximal end extends out of the limiting platform 411. The proximal end part of the winding piece 43 is arranged between the outer side wall of the lens conduit 31 and the inner side wall of the circular hole. The winding piece 43 forms a spring-like protection structure after being spirally wound, the proximal end of the winding piece 43 is wound densely, and the distal end is wound sparsely. The winding piece 43 arranged in this way has high structural strength at the proximal end and good flexibility at the distal end, so that the winding piece 43 can prevent the proximal end of the lens conduit 31 from being bent and does not affect the flexibility of the lens conduit 31 as a whole.

[0081] From the above description, it can be seen that the embodiments of the utility model realize the following technical effects:

[0082] 1) The elastic member 25 is arranged between the support column 23 and the mounting base 21, and after the rocker mechanism 2 is assembled, the elastic member 25 is in a compressed state, which can press the support column 23 to the side away from the mounting base 21 through the restoring force of itself, so that the groove wall of the mounting groove 230 is always in close contact with the ball head part 241, the friction of the ball head part 241 relative to the mounting groove 230 is increased, and the ball head rod 24 has a certain damping force when being operated. On the one hand, the operation feeling of the rocker can be improved; on the other hand, the arrangement of the elastic member 25 can make the support column 23 abut the ball head part 241 against the first limiting part 221, so that the ball head part 241 is stably and firmly limited between the support column 23 and the first limiting part 221, the problem that the ball head part 241 is loose due to frequent operation is avoided, and the precision of the remote bending operation of the industrial endoscope is improved.

[0083] 2) The arrangement of the traction guide tube 322 can effectively avoid the fracture of the traction wire 32 due to the friction between the traction wire 32 and the inner wall of the seat body 211 or the lens guide tube 31 in the traction process, thereby improving the service life of the lens assembly 3.

[0084] 3) The arrangement of the connecting member 41 and the locking member 42 in screw thread cooperation clamping the first housing 11 makes the operation handle can be replaced with different lens assemblies 3 through the detachable connection of the connecting member 41 and the locking member 42, so that the effect of replacing different endoscope lenses is achieved.

[0085] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A rocker mechanism, characterized in that The application relates to a rocker mechanism, which comprises the following components: a mounting base; an outer sleeve connected to the mounting base, wherein an end of the outer sleeve away from the mounting base is provided with a first limiting part; a supporting column installed in a lumen of the outer sleeve, wherein the supporting column can move along an axial direction of the lumen, and an end of the supporting column away from the mounting base is provided with a mounting groove; a ball head rod with a ball head part, wherein the ball head part is installed in the mounting groove and is limited between the supporting column and the first limiting part, the ball head part can move in the mounting groove, and an end of the ball head rod away from the ball head part penetrates through the outer sleeve; an elastic member arranged in the lumen of the outer sleeve, wherein a first end of the elastic member is connected to the supporting column, a second end of the elastic member is connected to the mounting base, and the elastic member can extrude the supporting column to a side away from the mounting base; and a rocker assembly connected to a part of the ball head rod penetrating through the outer sleeve, wherein operation of the rocker assembly is limited by friction force of the ball head part between the mounting groove and the first limiting part.

2. The rocker mechanism of claim 1, wherein An end of the supporting column close to the mounting base is provided with a reduced-diameter part, and the elastic member is sleeved on the reduced-diameter part.

3. The rocker mechanism of claim 2, wherein, The mounting base comprises: a base body with a mounting boss, wherein an assembly groove is arranged on the base body and penetrates through the mounting boss, and a part of the outer sleeve is installed in the assembly groove; and a bottom plate arranged on a side of the base body away from the mounting boss, wherein the bottom plate is detachably connected to the base body and limits the outer sleeve in the assembly groove.

4. The rocker mechanism of claim 3, wherein An end of the mounting boss away from the bottom plate is provided with a second limiting part, and an end of the outer sleeve close to the base body is provided with an enlarged-diameter part, wherein the enlarged-diameter part is limited in the assembly groove by the second limiting part and the bottom plate.

5. The rocker mechanism of claim 3, wherein The bottom plate is provided with a through hole, the reduced-diameter part comprises a first part and a second part connected to the first part, the second part penetrates through the through hole, and a radial dimension of the first part is larger than that of the through hole.

6. The rocker mechanism according to any one of claims 1 to 5, characterized in that The rocker assembly comprises: a linkage connected to the part of the ball head rod penetrating through the outer sleeve; an operating rod with an operating end and a reduced-diameter end, wherein the reduced-diameter end penetrates into the linkage, the operating rod has a channel axially penetrating through the operating end and the reduced-diameter end; and a fastener with a connecting end, wherein the fastener penetrates through the channel, the connecting end penetrates out of the channel and is connected to the ball head rod, and the fastener locks and fixes the operating rod and the linkage, so that the operating rod, the linkage and the ball head rod can move synchronously.

7. A handle, characterized in that The application further relates to a camera, which comprises the following components: a shell; the rocker mechanism as claimed in claim 6, wherein a part of the rocker mechanism is arranged in the shell and is connected to an inner wall of the shell through the mounting base, and the operating end of the operating rod extends out of the shell; a lens assembly connected to the shell, wherein a proximal end of the lens assembly penetrates into the shell and is connected to the linkage, and a distal end of the lens assembly extends away from the shell.

8. The operating handle of claim 7, wherein, The lens assembly comprises a lens conduit and a traction line penetrating the lens conduit, the distal end of the traction line is connected with the distal end of the lens conduit, the proximal end of the traction line penetrates the proximal end face of the lens conduit and is connected with the linkage; the operation lever is controlled to move the ball head rod relative to the support column, drive the linkage to move, control the traction line to move, thereby controlling the distal end of the lens conduit to bend.

9. The operating handle of claim 8, wherein, The linkage is provided with a linkage end head on the outer side wall, the linkage end head is provided with a clamping groove, the side wall of the clamping groove is provided with a mounting opening, the proximal end of the traction line is connected with a fixing block, the traction line enters the clamping groove through the mounting opening and is limitingly installed in the clamping groove through the fixing block.

10. The operating handle of claim 8, wherein, Further comprising a protective connection assembly, which is sleeved on the proximal end of the lens assembly and connected with the shell, the proximal end of the lens assembly is connected with the shell through the protective connection assembly, the protective connection assembly comprises: A connecting piece, which is arranged in the shell and sleeved on the proximal end of the lens conduit, the connecting piece has a limiting table and an assembly segment, the limiting table cooperates with the inner wall of the shell to limit the connecting piece in the shell, and the assembly segment extends out of the shell; A locking piece, which is sleeved on the proximal end of the lens conduit and assembled with the assembly segment, so that the locking piece and the limiting part clamp the shell; and A winding piece, which is wound on the outer side wall of the proximal end of the lens conduit, and the proximal end of the winding piece is connected with the connecting piece.

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