Line pipe position adjusting device and endoscope

Abstract

The utility model is suitable for the technical field of endoscopes, and provides a spool position adjusting structure and an endoscope. The line pipe position adjusting device comprises a connecting piece used for being connected with a line pipe, a containing cavity is formed in the connecting piece, one end of the line pipe is inserted into the containing cavity and connected with the connecting piece, and a first position adjusting structure is arranged on the connecting piece; the support comprises a position adjusting piece, an adjusting channel is formed in the position adjusting piece, a second position adjusting structure is arranged on the position adjusting piece, and the connecting piece is movably arranged in the adjusting channel so as to slide in the length direction of the adjusting channel; the first position adjusting structure and the second position adjusting structure are matched for limiting so as to keep the relative position between the connecting piece and the position adjusting piece. By moving the connecting piece, the assembly length of the line pipe can be adjusted without trimming the line pipe, the first position adjusting structure is connected with the second position adjusting structure, the connection state of the line pipe is kept unchanged, and the assembly efficiency of the line pipe is improved. And it is guaranteed that the wire pipes are installed in place every time the wire pipes are installed, and the product consistency is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of endoscopes, and particularly relates to a wire tube position adjusting device and an endoscope. Background Art

[0002] Endoscopes are widely used in the medical field and the industrial field, and relevant detection information is obtained by entering the interior of an object for detection. During the process of the detection end of the endoscope entering the object and moving for detection, according to the internal structure of the detected object, it is sometimes necessary to be able to bend to adjust the moving and observing directions.

[0003] In the existing endoscope, a wire tube for support and protection is sleeved on a traction wire. The wire tube is connected between a handle and a steering mechanism, and the traction wire is connected to the steering mechanism. Through the support of the wire tube, the steering mechanism can be bent when the traction wire is pulled, so as to realize the adjustment of the moving and observing directions. Therefore, whether the length of the wire tube is appropriate affects the reliability of operating the bending of the steering mechanism. When the wire tube is too long, the wire tube will always be in a bent state, so that when the traction wire drives the steering mechanism to turn, the friction force received increases, resulting in a jamming situation and poor operating feel. When the wire tube is too short, the wire tube cannot connect the steering mechanism and the handle and cannot play a supporting role. When the existing endoscope is assembled, workers often manually trim the wire tube to adjust the length of the wire tube, which has low assembly efficiency and poor consistency among multiple wire tubes. Summary of the Utility Model

[0004] In view of this, the utility model provides a wire tube position adjusting device and an endoscope to solve the problems of low assembly efficiency and poor consistency.

[0005] To solve the above problems, the technical solution of the utility model is realized as follows:

[0006] A wire tube position adjusting device is used for an endoscope. The wire tube position adjusting device includes: a connecting piece for connecting a wire tube. An accommodating cavity is formed inside the connecting piece. One end of the wire tube is inserted into the accommodating cavity and connected to the connecting piece. A first position adjusting structure is arranged on the connecting piece; a bracket includes an adjusting piece. An adjusting channel is formed inside the adjusting piece. A second position adjusting structure is arranged on the adjusting piece. The connecting piece is movably arranged in the adjusting channel to slide along the length direction of the adjusting channel; wherein, the first position adjusting structure and the second position adjusting structure cooperate to limit the position, so as to maintain the relative position between the connecting piece and the adjusting piece. A plurality of connecting pieces and adjusting pieces are provided, and the number of adjusting pieces is greater than or equal to the number of connecting pieces.

[0007] In some embodiments, one of the first positioning adjustment structure and the second positioning adjustment structure is a limiting protrusion, and the other of the first positioning adjustment structure and the second positioning adjustment structure includes a guide groove and a limiting groove, the guide groove extends along the length direction of the adjustment channel, and a plurality of limiting grooves are spaced apart and are all connected to the guide groove, and the limiting protrusion is clamped in the corresponding limiting groove.

[0008] In some embodiments, a plurality of the limiting grooves are provided on both sides of the guide groove of the adjusting member.

[0009] In some embodiments, the limiting grooves on the same side are spaced apart, and the limiting grooves on both sides are arranged opposite to each other.

[0010] In some embodiments, the limiting grooves on the same side are spaced apart, and the limiting grooves on both sides are staggered.

[0011] In some embodiments, the limiting groove is arranged to penetrate along the wall thickness direction of the adjusting member.

[0012] In some embodiments, the bracket further includes a fixing plate, and each of the positioning members is connected to the fixing plate, wherein the fixing plate is provided with a through hole for one end of the positioning member to pass through.

[0013] In some embodiments, a plurality of the positioning members are disposed on two opposite sides of the fixing plate.

[0014] In some embodiments, the connector has an opening at one end thereof for inserting the wire tube and a through hole at the other end thereof for inserting the traction wire, and both the opening and the through hole are connected to the accommodating cavity; wherein the inner side wall of one end of the connector used to form the through hole is provided with an abutting portion for abutting the wire tube to limit the movement of the wire tube.

[0015] An embodiment of the utility model further provides an endoscope, comprising a wire tube, a steering mechanism and a wire tube positioning device as described in any of the above embodiments, wherein the other end of the wire tube is connected to the steering mechanism; wherein a traction wire is passed through the wire tube.

[0016] An adjusting device for a wire tube and an endoscope provided by an embodiment of the present utility model. The wire tube adjusting device includes a connecting member and a bracket. One end of the wire tube is connected to the connecting member. The bracket includes an adjusting member, and an adjusting channel is formed in the adjusting member. The connecting member is movably disposed in the adjusting channel. A first adjusting structure is provided on the connecting member, and a second adjusting structure is provided on the adjusting member. With such a setting, by moving the connecting member along the length direction of the adjusting channel, the assembly length of the wire tube can be adjusted without trimming. At the same time, through the connection of the first adjusting structure and the second adjusting structure, the relative position between the connecting member and the adjusting member is limited, thereby ensuring that the connection state of the adjusted wire tube remains unchanged. The wire tube adjusting device provided by the embodiment of the present utility model can quickly adjust the assembly length of the wire tube, is convenient to adjust, and at the same time ensures the consistency of the connection states of the wire tubes, improving the convenience of wire tube assembly adjustment. Furthermore, the assembly efficiency of the endoscope provided with the wire tube adjusting device is improved, and at the same time, the product qualification rate and the consistency of the product of the endoscope are ensured. Description of the Drawings

[0017] Figure 1 is a schematic structural view of the wire tube adjusting device provided by the embodiment of the present utility model;

[0018] Figure 2 is a schematic structural view of the bracket provided by the embodiment of the present utility model;

[0019] Figure 3 is a schematic structural view of the connecting member provided by the embodiment of the present utility model;

[0020] Figure 4 is a cross-sectional view of the wire tube connected to the wire tube adjusting device provided by the embodiment of the present utility model;

[0021] Figure 5 is a second schematic structural view of the first adjusting structure and the second adjusting structure provided by the embodiment of the present utility model;

[0022] Figure 6 is a third schematic structural view of the first adjusting structure and the second adjusting structure provided by the embodiment of the present utility model;

[0023] Figure 7 is a fourth schematic structural view of the first adjusting structure and the second adjusting structure provided by the embodiment of the present utility model.

[0024] Description of the Reference Numerals:

[0025] 1. Connecting member; 11. Accommodating cavity; 12. First adjusting structure; 121. Limiting protrusion; 122. Elastic protrusion; 123. First connection hole; 13. Through hole; 14. Abutting portion;

[0026] 2. Bracket; 21. Position adjusting member; 211. Adjusting channel; 212. Second position adjusting structure; 2121. Guide groove; 2122. Limit groove; 2123. Position adjusting hole; 2124. Second connection hole; 2125. Connection groove; 22. Fixed plate; 221. Through hole; 23. Reinforcing rib;

[0027] 3. Wire conduit;

[0028] 4. Connecting rod. Detailed implementation manners

[0029] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0030] For each specific technical feature described in the specific embodiments, they can be combined in any suitable manner without conflict. For example, different embodiments and technical solutions can be formed by combining different specific technical features. To avoid unnecessary repetition, various possible combination manners of each specific technical feature in the present utility model will not be described separately.

[0031] In the following descriptions, the terms "first / second / ..." involved are only used to distinguish different objects and do not indicate that there are the same or related relationships between the objects. It should be understood that the orientation descriptions "above", "below", "outside", "inside" involved are all the orientations in the normal use state, and the "left" and "right" directions represent the left and right directions shown in the specific corresponding schematic diagram, which can be the left and right directions in the normal use state or not.

[0032] It should be noted that the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of another identical element in the process, method, article or device including that element. "Plurality" means greater than or equal to two.

[0033] An in-line tube position adjustment device provided by an embodiment of the present utility model is applied to an endoscope. For the sake of easy understanding, it is exemplified that the endoscope is used to detect the human body interior (such as the intestine, esophagus, etc.). It can be understood that this is not a limitation on the application scope of the in-line tube position adjustment device and the endoscope. The in-line tube position adjustment device is arranged between a steering mechanism and a driving mechanism within a handle. The steering mechanism is for insertion into the human body, and the driving mechanism is for driving the steering mechanism to turn. A traction wire is threaded through the in-line tube position adjustment device, and the driving mechanism is connected to the steering mechanism through the traction wire. The driving mechanism drives the movement of the steering mechanism by tightening or loosening the traction wire. Specifically, generally, a tube is sleeved on the traction wire for support and protection. The tube is connected between the driving mechanism and the steering mechanism, and the traction wire is connected to the steering mechanism. Through the support of the tube, the steering mechanism can be bent when the traction wire is pulled, realizing the adjustment of the moving and observing directions.

[0034] As shown in FIGS. 1 and Figure 2 An in-line tube position adjustment device provided by an embodiment of the present utility model includes a connecting member 1 and a bracket 2. The connecting member 1 is for connecting the tube 3. An accommodation cavity 11 is formed inside the connecting member 1 (refer to Figure 3 ). The inner diameter of the accommodation cavity 11 matches the outer diameter of the tube 3 to prevent the tube 3 inside the accommodation cavity 11 from swinging, thereby ensuring the stability of the connection between the tube 3 and the connecting member 1. The first end of the tube 3 is inserted into the accommodation cavity 11 and fixedly connected to the connecting member 1. Specifically, the first end of the tube 3 abuts against the connecting member 1, facilitating the fixed connection between the tube 3 and the connecting member 1. The bracket 2 includes an adjustment member 21, and an adjustment channel 211 is formed inside the adjustment member 21. The connecting member 1 is slidably connected inside the adjustment channel 211 and can slide along the length direction of the adjustment channel 211 to adjust the assembly length of the tube 3 in a state where the second end of the tube 3 (not shown in the figure) is connected to the steering mechanism.

[0035] Compared with the way of screwing the connecting tube 1 in and out (for example, the connecting tube 1 is threadedly connected to the adjustment member 21), the way of sliding along the length direction of the adjustment channel 211 in this embodiment can prevent the connecting member 1 from driving the tube 3 to rotate during movement. In this way, the torsional deformation of the tube 3 is avoided, and the service life of the tube 3 is improved.

[0036] As Figure 4 shown, the outer side wall of the connecting member 1 and the inner side wall of the adjustment member 21 can be completely attached to improve the stability of the sliding of the connecting member 1 and also enable the connecting member 1 to more stably support the tube 3. Optionally, the materials of the connecting member 1 and the bracket 2 can be plastic materials, thereby reducing the production cost.

[0037] As Figure 1 and Figure 2As shown, in some embodiments, a first position - adjusting structure 12 is provided on the connecting member 1, and a second position - adjusting structure 212 is provided on the position - adjusting member 21. In this way, the connecting member 1 has a position - adjusting state and a limiting state. In the position - adjusting state, the first position - adjusting structure 12 is separated from the second position - adjusting structure 212, so that the connecting member 1 can slide relative to the position - adjusting member 21 along the length direction of the adjusting channel 211 until the assembly length of the wire tube 3 meets the requirements. In the limiting state, the first position - adjusting structure 12 is connected to the second position - adjusting structure 212 to limit the relative position between the connecting member 1 and the position - adjusting member 21, thereby keeping the connection state of the wire tube 3 unchanged.

[0038] It can be understood that the connection method between the first position - adjusting structure 12 and the second position - adjusting structure 212 can be selected as needed in this embodiment. Specifically, in the limiting state, the connection method between the first position - adjusting structure 12 and the second position - adjusting structure 212 can be snap - connection, interference fit, bolt connection or riveting, or other connection methods that can realize the fixed connection between the first position - adjusting structure 12 and the second position - adjusting structure 212.

[0039] It can be understood that according to the requirements for the accuracy of the movement trajectory, different endoscopes have different numbers of wire tubes 3. The wire tubes 3 can be provided with two, four, six, etc. In this embodiment, the numbers of the connecting members 1 and the position - adjusting members 21 can be adjusted according to the number of the wire tubes 3. A plurality of connecting members 1 are provided, and the number of the connecting members 1 is equal to the number of the wire tubes 3 to facilitate the installation of each wire tube 3. The number of the position - adjusting members 21 can be greater than the number of the connecting members 1. In this way, the same bracket 2 can be applicable to endoscopes with different numbers of wire tubes 3, thereby expanding the use range of the wire - tube position - adjusting device. Or, the number of the position - adjusting members 21 can also be equal to the number of the connecting members 1, so that one type of bracket 2 is only applicable to one type of endoscope, avoiding the waste of the vacant position - adjusting members 21 on the bracket 2. Among them, a plurality of position - adjusting members 21 are evenly arranged along the circumferential direction of the bracket 2, so that the endoscope can accurately realize the steering adjustment.

[0040] A wire pipe position adjusting device provided by an embodiment of the present utility model includes a connecting member 1 and a bracket 2. The bracket 2 includes an adjusting member 21, and an adjusting channel 211 is formed in the adjusting member 21. The connecting member 1 is movably arranged in the adjusting channel 211. In this way, by sliding the connecting member 1 in the adjusting channel 211 along the length direction of the adjusting channel 211, the position of the connecting member 1 relative to the adjusting member 21 can be adjusted until the assembly length of the wire pipe 3 meets the requirements. In this way, through the movement of the connecting member 1, it is ensured that wire pipes 3 of different lengths can all have a unified assembly length, improving the product qualification rate and product consistency. And through the connection of the first position adjusting structure 12 and the second adjusting structure, the relative position between the connecting member 1 and the adjusting member 21 is limited, thereby limiting the unchanged connection state of the adjusted wire pipe 3. Through the setting of the wire pipe position adjusting device, the installation of wire pipes 3 of different lengths can be realized without trimming the wire pipes 3, improving the assembly efficiency.

[0041] As Figure 1 and Figure 2 shown, in some embodiments, one of the first position adjusting structure 12 and the second position adjusting structure 212 is a limiting protrusion 121 (refer to Figure 3 ), and the other of the first position adjusting structure 12 and the second position adjusting structure 212 includes a guiding groove 2121 and a limiting groove 2122. The guiding groove 2121 extends along the length direction of the adjusting channel 211. A plurality of limiting grooves 2122 are arranged at intervals and are all communicated with the guiding groove 2121. Each limiting groove 2122 is arranged along the circumferential direction of the adjusting channel 211 and extends in a direction away from the guiding groove 2121. The limiting protrusion 121 is clamped in the corresponding limiting groove 2122 as required, and the limiting protrusion 121 and the limiting groove 2122 can be fixedly connected by an interference fit. It can be understood that the connecting member 1 in this embodiment is a cylinder so as to rotate in the adjusting channel 211.

[0042] It should be noted that the rotation of the connecting member 1 in the adjusting channel 211 occurs after the adjustment is completed, rather than during the adjustment process. Considering the situation where the connecting member 1 drives the wire pipe 3 to rotate, the limiting groove 2122 also limits the rotation range of the connecting member 1, so that the angle by which the connecting member 1 can rotate is small, thereby making the torsional deformation of the wire pipe 3 small, reducing the damage to the wire pipe 3, and improving the service life of the wire pipe 3.

[0043] During assembly, insert the connecting member 1 into the adjusting channel 211, and insert the limiting protrusion 121 into the guiding groove 2121 until the assembly length of the wire pipe 3 meets the requirements, and rotate the connecting member 1 to insert the limiting protrusion 121 into the limiting groove 2122. In addition, by rotating the connecting member 1 in the limiting groove 2122 until the limiting protrusion 121 is located in the guiding groove 2121, the limiting protrusion 121 can be separated from the limiting groove 2122, thereby disassembling the connecting member 1 or readjusting the position of the connecting member 1 in the adjusting channel 211.

[0044] As Figure 2 and Figure 3 shown, in some embodiments, the positioning member 21 is provided with a plurality of limiting grooves 2122 on both sides of the guiding groove 2121. In this way, after the connecting member 1 is inserted into the adjusting channel 211, the limiting protrusion 121 can be inserted into the limiting groove 2122 whether in the clockwise or counterclockwise direction, improving the operation convenience when installing the connecting member 1. It can be understood that there are a plurality of limiting grooves 2122, enabling the connecting member 1 to have a larger moving range. Optionally, the distance between adjacent two limiting grooves 2122 is the same, enabling the connecting member 1 to have the same precision throughout the moving range, thereby ensuring the consistency of the assembly of the wire pipes 3 with different lengths. Or, different distances can be set between adjacent two limiting grooves 2122. By setting a smaller distance, the precision can be improved; by setting a larger distance, the cost can be reduced. In this way, according to the interval where the length of the wire pipe 3 is located, the distance between adjacent two limiting grooves 2122 can be adjusted at different positions of the positioning member 21.

[0045] As Figure 2 and Figure 3 shown, in some embodiments, the limiting grooves 2122 on the same side are spaced apart, and the limiting grooves 2122 on both sides are arranged in a one-to-one correspondence. In this way, when the connecting member 1 moves until it matches the position of the first end of the wire pipe 3, the limiting protrusion 121 can be inserted into the limiting groove 2122 whether in the clockwise or counterclockwise direction, improving the operation convenience during adjustment.

[0046] In some embodiments, the limiting grooves 2122 on the same side are spaced apart, and the limiting grooves 2122 on both sides are arranged in a staggered manner. Optionally, the limiting grooves 2122 can be set to be looser. In this way, the number of limiting grooves 2122 per unit length is reduced, lowering the production cost. The limiting grooves 2122 can also be set to be denser. In this way, the distance between adjacent two limiting grooves 2122 is reduced, thereby improving the precision of the movement of the connecting member 1.

[0047] As Figure 2 and Figure 3 shown, in some embodiments, both the guiding groove 2121 and the limiting groove 2122 penetrate through along the wall thickness direction of the positioning member 21. In this way, in the adjusted state, it can be directly observed whether the limiting protrusion 121 in the guiding groove 2121 is aligned with the corresponding limiting groove 2122, and then the limiting protrusion 121 can be visually and quickly aligned with the limiting groove 2122, facilitating the insertion of the limiting protrusion 121 into the limiting groove 2122 and improving the efficiency and convenience of installing the connecting member 1.

[0048] In some other embodiments, the limiting groove 2122 is recessed outward from the inner wall of the position adjusting member 21 in the wall thickness direction and does not penetrate the outer surface. Wherein, the depth of the limiting groove 2122 is greater than or equal to the height of the limiting protrusion 121. In this way, the overall strength of the position adjusting member 21 is improved, and the outer surface of the position adjusting member 21 is made flat and beautiful.

[0049] As Figure 1 and Figure 2 shown, in some embodiments, the bracket 2 further includes a fixing plate 22, and each position adjusting member 21 is fixedly connected to the fixing plate 22. Wherein, a through hole 221 through which one end of the position adjusting member 21 penetrates is formed in the fixing plate 22. Thus, the through hole 221 is communicated with the adjusting channel 211, so that the connecting member 1 can penetrate the bracket 2 from both ends of the adjusting channel 211. In this way, when adjusting the position of the connecting member 1, the connecting member 1 can move on both sides of the fixing plate 22, which not only expands the moving range of the connecting member 1, but also makes full use of the space on both sides of the fixing plate 22, thereby making the structure compact and reducing the overall volume of the endoscope.

[0050] It should be noted that the embodiment of the present invention does not limit the connection manner between the position adjusting member 21 and the fixing plate 22. The connection manner between the position adjusting member 21 and the fixing plate 22 can be integrally formed, welded or clamped, etc., and can be selected as required according to factors such as the processing cost and strength of the bracket 2.

[0051] As Figure 1 and Figure 2 shown, in some possible implementation schemes, at least one reinforcing rib 23 is arranged between the position adjusting member 21 and the fixing plate 22. In this way, without increasing the wall thickness of the position adjusting member 21, the strength and stiffness of the position adjusting member 21 are improved, and the overall service life of the bracket 2 is improved. Optionally, the reinforcing rib 23 can be arranged between two adjacent position adjusting members 21 and is respectively connected to the above two position adjusting members 21, further improving the strength and stiffness of the bracket 2.

[0052] In some embodiments, a plurality of position adjusting members 21 are arranged on opposite two surfaces of the fixing plate 22. In this way, the moving range of the connecting member 1 is increased. Optionally, the position adjusting members 21 on one surface of the fixing plate 22 and the position adjusting members 21 on the other surface of the fixing plate 22 are arranged in one-to-one correspondence. The projections of the adjusting channels 211 of the two relatively arranged position adjusting members 21 in the length direction coincide and are communicated through the through hole 221. In this way, the moving range of the connecting member 1 can be expanded through the same adjusting channel 211, thereby improving the operation convenience. At the same time, the structures on the opposite two surfaces of the fixing plate 22 are the same, and there is no need to select a specific surface for use during use, improving the assembly convenience.

[0053] As Figure 1 and Figure 2As shown, in some embodiments, the connecting member 1 has an opening formed at one end thereof for inserting the wire tube 3 and a through hole 13 formed at the other end thereof for inserting the traction wire (refer to Figure 4 ), and both the opening and the through hole 13 communicate with the accommodating cavity 11 (refer to Figure 3 ). Among them, an inner side wall of the connecting member 1 at one end for forming the through hole 13 is provided with an abutting portion 14 for abutting against the wire tube 3, and the abutting portion 14 abuts against the first end of the wire tube 3 to limit the movement of the wire tube 3. In this way, the position of the adjusted wire tube 3 will not change, improving the reliability of the position adjustment of the wire tube 3.

[0054] As Figure 1 and Figure 5 shown, in some possible embodiments, the first position adjustment structure 12 is one of the elastic protrusions 122 or the adjustment holes 2123, and the second position adjustment structure 212 is the other of the elastic protrusions 122 or the adjustment holes 2123. Among them, a plurality of elastic protrusions 122 and / or adjustment holes 2123 are arranged in a straight line direction, and at least one elastic protrusion 122 is clamped in the corresponding adjustment hole 2123. It can be understood that when the elastic protrusion 122 is provided on the connecting member 1, the elastic protrusion 122 can be contracted by pressing the elastic protrusion 122, and the elastic protrusion 122 can be reset by releasing the elastic protrusion 122. When the elastic protrusion 122 is provided on the adjusting member 21, an operating portion for connecting with the elastic protrusion 122 is provided on the outer wall of the adjusting member 21. When the operating portion is pulled up, the elastic protrusion 122 can be contracted, and when the operating portion is released, the elastic protrusion 122 can be reset.

[0055] Specifically, during assembly, the angle of the connecting member 1 is adjusted so that the elastic protrusion 122 and the adjustment hole 2123 are located on the same straight line. The elastic protrusion 122 is compressed and inserted into the connecting member 1 until the elastic protrusion 122 is aligned with the corresponding adjustment hole 2123, and then the elastic protrusion 122 is released, so that the elastic protrusion 122 is located in the adjustment hole 2123, thereby restricting the movement of the connecting member 1. By compressing the elastic protrusion 122, the elastic protrusion 122 can be separated from the adjustment hole 2123, so that the connecting member 1 can be disassembled or the position of the connecting member 1 can be readjusted.

[0056] As Figure 1 and Figure 6As shown, in some possible embodiments, the first positioning structure 12 is a first connection hole 123, the second positioning structure 212 is a second connection hole 2124, and a plurality of first connection holes 123 and / or second connection holes 2124 are provided along the length direction of the adjustment channel 211; wherein, at least one first connection hole 123 is connected to the corresponding second connection hole 2124 through a connecting rod 4 to limit the relative position between the connecting member 1 and the positioning member 21. In the limited position state, the connecting rod 4 is inserted into the first connection hole 123 and the second connection hole 2124, and is fixedly connected to the first connection hole 123 and the second connection hole 2124. In the positioning state, the connecting rod 4 is separated from the first connection hole 123 and the second connection hole 2124.

[0057] Specifically, the connecting rod 4 may be a threaded rod, the first connecting hole 123 and the second connecting hole 2124 are both configured as threaded holes, and the threaded rod is threadedly connected to the first connecting hole 123 and the second connecting hole 2124. The connecting rod 4 may also be connected to the first connecting hole 123 and the second connecting hole 2124 by interference fit, for example, the connecting rod 4 may be a pin or a rivet. The embodiment of the utility model does not limit the configuration of the connecting rod 4, and may be selected as needed.

[0058] like Figure 1 and Figure 7 As shown, in some possible embodiments, the first positioning structure 12 is any part of the outer wall of the connector 1, and the second positioning structure 212 is at least one connecting groove 2125 provided on the positioning member 21 for introducing the connecting glue, and the connecting groove 2125 is connected to the adjustment channel 211. The inner wall of the connector 1 and the inner wall of the positioning member 21 are connected by the connecting glue to limit the relative position between the connector 1 and the positioning member 21. Optionally, the connecting glue is UV glue (UV: the abbreviation of Ultraviolet Rays, which means shadowless glue or photosensitive glue in Chinese). During assembly, the connector 1 is inserted into the adjustment channel 211 until the assembly length of the wire tube 3 meets the requirements, and the connector 1 is kept in this position unchanged, and the connecting glue is introduced into the connecting groove 2125 so that the outer wall of the connector 1 and the inner wall of the positioning member 21 are fixedly connected by the connecting glue.

[0059] An embodiment of the present utility model further provides an endoscope, which includes a wire tube, a steering mechanism, and a wire tube position adjusting device as described in any one of the above embodiments. The endoscope further includes an insertion tube, a handle, and a driving structure. The steering mechanism and the insertion tube are connected to form an insertion part for inserting into the human body. The insertion part can be bent to adapt to the shape of the internal cavity of the human body so as to reach the target. Specifically, the handle is located outside the human body, and the insertion tube is connected between the steering mechanism and the handle. The driving mechanism and the wire tube position adjusting device are arranged in the handle, and the wire tube position adjusting mechanism is arranged between the driving mechanism and the steering mechanism. The first end of the traction wire is connected to the driving mechanism, and the second end of the traction wire sequentially passes through the wire tube position adjusting device and the insertion tube and is connected to the steering mechanism. The first end of the wire tube 3 is connected to the wire tube position adjusting device, and the second end of the wire tube 3 passes through the insertion tube and is connected to the steering mechanism to play a supporting role. In this way, under the support of the wire tube 3, the driving mechanism drives the steering mechanism to move by tightening or loosening the traction wire, such as bending to achieve the purpose of adjusting the steering.

[0060] Specifically, the endoscope is provided with the above-mentioned wire tube position adjusting device, and the wire tube position adjusting device can quickly adjust the assembly length of each wire tube 3 without trimming the wire tube 3 again. The adjustment is convenient, the qualification rate of adjustment is high, and the connection state of each wire tube 3 is good in consistency, thereby improving the assembly efficiency of the wire tube 3, and further improving the assembly efficiency of the endoscope. And it is ensured that each time of assembly, the wire tube 3 can be installed in place, thereby improving the product qualification rate and product consistency of the endoscope.

[0061] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A wire tube position adjusting device, which is used on an endoscope, is characterized in that The wire tube positioning device comprises: A connector, used for connecting the wire tube, wherein a receiving cavity is formed inside the connector, one end of the wire tube is inserted into the receiving cavity and connected to the connector, and a first positioning structure is provided on the connector; The bracket comprises a positioning member, an adjusting channel is formed in the positioning member, a second positioning structure is arranged on the positioning member, and the connecting member is movably arranged in the adjusting channel to slide along the length direction of the adjusting channel; The first positioning structure cooperates with the second positioning structure to limit the relative position between the connecting member and the positioning member, and a plurality of the connecting member and the positioning member are provided, and the number of the positioning members is greater than or equal to the number of the connecting members.

2. The wire tube position adjusting device according to claim 1, wherein One of the first positioning structure and the second positioning structure is a limiting protrusion, and the other of the first positioning structure and the second positioning structure includes a guide groove and a limiting groove, the guide groove is extended along the length direction of the adjustment channel, and a plurality of limiting grooves are arranged at intervals and are all connected to the guide groove, and the limiting protrusion is clamped in the corresponding limiting groove.

3. The wire tube position adjusting device according to claim 2, wherein The positioning member is provided with a plurality of limiting grooves on both sides of the guide groove.

4. The wire tube position adjustment device according to claim 3, wherein, The limiting grooves on the same side are spaced apart, and the limiting grooves on both sides are arranged opposite to each other.

5. The wire tube position adjusting device according to claim 3, characterized in that, The limiting grooves on the same side are spaced apart, and the limiting grooves on both sides are staggered.

6. The wire tube position adjusting device according to claim 2, wherein The limiting groove is arranged to penetrate along the wall thickness direction of the adjusting member.

7. The wire tube position adjusting device according to claim 1, wherein The bracket further comprises a fixing plate, and each of the positioning members is connected to the fixing plate, wherein the fixing plate is provided with a through hole for one end of the positioning member to pass through.

8. The wire tube position adjusting device according to claim 7, characterized in that A plurality of the positioning members are arranged on two opposite sides of the fixing plate.

9. The wire tube position adjusting device according to any one of claims 1 to 8, characterized in that, The connecting piece has an opening at one end thereof for inserting the wire tube and a through hole at the other end thereof for inserting the traction wire, and both the opening and the through hole are connected to the accommodating cavity; wherein the inner side wall of one end of the connecting piece used to form the through hole is provided with an abutting portion for abutting the wire tube to limit the movement of the wire tube.

10. An endoscope, characterized in that, It comprises a wire tube, a steering mechanism and a wire tube positioning device as claimed in any one of claims 1 to 9, wherein the other end of the wire tube is connected to the steering mechanism; wherein a traction wire is passed through the wire tube.

Images