CN217066327U - Endoscope angle adjusting device and endoscope - Google Patents

Abstract

The utility model discloses a solve the inconvenient problem of angle regulation wheel hub rotation range that medical instrument field exists, an endoscope angle adjusting device and endoscope is provided, this endoscope angle adjusting device includes the pivot, angle wheel hub, spacing post, first connection platform and limit structure, angle wheel hub sets up the lower extreme in the pivot, spacing post sets up the lower extreme at angle wheel hub, first connection platform is provided with the spacing groove, when angle wheel hub rotates, spacing post can remove in the spacing groove, limit structure includes spacing bolt and stop nut, spacing bolt passes the spacing groove and the stop nut is connected. The utility model discloses an endoscope angle adjusting device only needs to dismantle down the shell, just can directly twist and move limit nut, adjusts the position of spacing bolt at the spacing inslot.

Description

Endoscope angle adjusting device and endoscope

Technical Field

The utility model relates to a medical instrument, in particular to endoscope angle adjusting device and endoscope.

Background

Referring to fig. 1, in the conventional endoscope angle adjusting device, one end of a rotating shaft is connected with an angle handle, the other end of the rotating shaft is connected with an angle hub, pull wires for controlling bending of a snake bone structure of an endoscope are installed on two sides of the angle hub, and the angle hub can be directly driven by the rotating shaft to rotate by rotating the angle handle, so that the bending of the snake bone structure is controlled through the pull wires. The too big angle wheel hub turned angle can lead to the pull wire of one side to be pulled too tightly and even collapse to be disconnected, and the pull wire is in too tight state many times, can harm the pull wire, shortens pull wire life, and can make the pull wire relax, reduces the precision of angle wheel hub turned angle to the control of snake bone structure bending angle.

The existing endoscope angle adjusting device is characterized in that a limiting column (the axial direction of the limiting column is approximately coincident with the radial direction of a rotating shaft) is arranged on the rotating shaft, and the rotating range of the limiting column is limited by arranging two limiting blocks on a hub support above an angle hub, so that the rotating range of the rotating shaft is limited, the rotating ranges of the angle hub and an angle handle are finally limited, and a traction line is prevented from being pulled tightly and even broken. The existing endoscope angle adjusting device needs to disassemble the upper wheel disc, the lower wheel disc, the annular ring and other structures above the angle wheel hub, so that the specific installation positions of the two limiting blocks can be adjusted to adjust the rotation range of the angle wheel hub.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an endoscope angle adjusting device only needs to dismantle down the shell, just can angle regulation wheel hub's rotation range.

The utility model also provides an endoscope with above-mentioned endoscope angle adjusting device.

According to the utility model discloses endoscope angle adjusting device of first aspect embodiment, including pivot, angle wheel hub, spacing post, first connection platform and limit structure, angle wheel hub sets up the lower extreme of pivot, the pivot is used for driving angle wheel hub rotates together, spacing post sets up angle wheel hub's lower extreme, first connection platform is provided with the spacing groove, when angle wheel hub rotates, spacing post can the spacing inslot removes, limit structure includes spacing bolt and stop nut, spacing bolt passes the spacing groove with stop nut connects.

According to the utility model discloses endoscope angle adjusting device has following technological effect at least: the position of the limiting bolt in the limiting groove can be adjusted by directly unscrewing the limiting nut only by detaching the lower shell, and the position of the limiting bolt in the limiting groove can be fixed by directly screwing the limiting nut after the adjustment is completed, so that the purpose of adjusting the rotation range of the angle hub is achieved.

According to the utility model discloses a some embodiments, limit bolt's head is located first connection platform's upper end, stop nut is located first connection platform's lower extreme, the lateral wall upper end of spacing groove is provided with the holding tank, the holding tank is used for holding limit bolt's head.

According to some embodiments of the utility model, spacing bolt is outer hexagon bolt, the lateral wall of holding tank is used for right the head carries on spacingly.

According to some embodiments of the utility model, still include the mounting, the mounting with angle wheel hub fixed connection, the mounting is used for and pull wire fixed connection.

According to some embodiments of the utility model, the mounting is the steel column, the steel column is provided with the threading through-hole, the steel column with angle wheel hub welds, the threading through-hole is used for wearing to establish the pull wire.

According to some embodiments of the invention, the peripheral wall of the angle hub is provided with a wire groove for accommodating a traction wire.

According to the utility model discloses a some embodiments, angle wheel hub's periphery wall is provided with the metallic channel, the metallic channel is used for holding the pull wire, the lateral wall of metallic channel is provided with the mounting groove, the steel column welding is in the mounting groove, the threading through-hole with the metallic channel intercommunication.

According to some embodiments of the utility model, still include the angle handle, the angle handle with the connection can be dismantled in the pivot.

According to the second aspect of the present invention, the endoscope comprises the above-mentioned endoscope angle adjusting device and the housing, and the housing is connected to the first connecting platform.

According to the utility model discloses endoscope, have following technological effect at least: the endoscope adopts the endoscope angle adjusting device, the rotation range of the angle adjusting hub can be adjusted only by detaching the lower shell, the adjusting process is simple and convenient, and the endoscope is more convenient to use.

According to some embodiments of the utility model, still include the pull wire, the pull wire is made by the crisscross and coiling each other of stranded steel wire, the pull wire is connected angle wheel hub's lateral wall.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a perspective view showing a part of a conventional endoscope;

FIG. 2 is a bottom perspective view of an upper end member of an endoscope angle adjustment device in accordance with an embodiment of the present invention;

FIG. 3 is an isometric view and a partially enlarged view of an upper end member of an endoscope angle adjustment device according to an embodiment of the present invention;

FIG. 4 is a front view of an upper end member of the endoscope angle adjustment device shown in FIG. 3;

FIG. 5 is an isometric view of the lower end member of an endoscope angle adjustment device according to an embodiment of the present invention;

FIG. 6 is a top plan view of the lower end piece of the endoscope angle adjustment assembly of FIG. 5;

FIG. 7 is a rear elevational view of the lower end member of the endoscope angle adjustment assembly of FIG. 5;

FIG. 8 is a schematic sectional view taken along line A-A of the lower end member of the angle adjustment apparatus of the endoscope shown in FIG. 5;

fig. 9 is a schematic view of the overall assembly of the endoscope angle adjustment device according to the embodiment of the present invention;

FIG. 10 is a front view of the endoscope angle adjustment device of FIG. 9;

FIG. 11 is a schematic cross-sectional view of the endoscope angle adjustment device of FIG. 9;

fig. 12 is an overall assembly diagram of the limiting structure according to the embodiment of the present invention;

FIG. 13 is a front view of the stop structure of FIG. 12;

FIG. 14 is a schematic view of an endoscope in accordance with an embodiment of the present invention, partially assembled;

FIG. 15 is an elevational view of a portion of the endoscope shown in FIG. 14 assembled in part;

fig. 16 is an assembly view of an endoscope with a housing according to an embodiment of the present invention.

Reference numerals:

a rotating shaft 100;

the angle wheel hub 200, the limiting column 210, the wire groove 220 and the mounting groove 221;

a first connecting platform 300, a limiting groove 310 and a receiving groove 311;

a limiting structure 400;

a limit bolt 410, a limit nut 420;

a swing arm 430, a limiting protrusion 431 and a locking nut 440;

a stop block 450;

a second connection platform 500;

a connecting piece 600 and a clearance gap 610;

a fixing member 700, a threading through hole 710;

an angle knob 800;

a pull wire 900;

a housing 1000;

a hub bracket 1100;

connecting tube 1200.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the positional or orientational descriptions, such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "tip", "inner", "outer", "axial", "radial", "circumferential", etc., are the positional or orientational relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, the side wall means the left side wall and/or the right side wall.

In the description of the present invention, "a plurality" means two or more, "more than", "less than", "more than" and the like are understood as excluding the number, "more than", "below", "within" and the like are understood as including the number. If the description of "first" and "second" is used for the purpose of distinguishing technical features, the description is not intended to indicate or imply relative importance or to implicitly indicate the number of the indicated technical features or to implicitly indicate the precedence of the indicated technical features.

In the description of the present invention, it should be understood that "a is disposed on B" and "a is disposed on B" merely indicate the connection relationship between a and B, and does not represent that a is above B.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "bolted" and "screwed" are equally interchangeable. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

Referring to fig. 1 to 16, according to the utility model discloses an endoscope angle adjusting device, including pivot 100, angle wheel hub 200, spacing post 210, first connection platform 300 and limit structure 400, angle wheel hub 200 sets up the lower extreme at pivot 100, pivot 100 is used for driving angle wheel hub 200 and rotates together, spacing post 210 sets up the lower extreme at angle wheel hub 200, first connection platform 300 is provided with spacing groove 310, when angle wheel hub 200 rotates, spacing post 210 can move at spacing inslot 310, limit structure 400 includes spacing bolt 410 and stop nut 420, stop bolt 410 passes spacing groove 310 and stop nut 420 connects.

Referring to fig. 2 and 3, the angle hub 200 is substantially disc-shaped, and the angle hub 200 is relatively fixed after being connected to the rotating shaft 100, and when the rotating shaft 100 is rotated, the angle hub 200 can be driven to rotate together; the angle hub 200 and the rotating shaft 100 may be fixedly connected, for example, the angle hub 200 and the rotating shaft 100 are integrally formed, welded, adhered, and hot-melted; the angle hub 200 and the rotation shaft 100 may also be detachably connected, such as a snap connection, a threaded connection, or a bolt connection.

The angle hub 200 and the limiting column 210 may be fixedly connected, for example, the angle hub 200 and the limiting column 210 are integrally formed, welded, bonded, and connected by hot melting; the angle hub 200 and the spacing post 210 may also be detachably connected, such as by a snap connection, a threaded connection, or a screw connection. Spacing post 210 and angle wheel hub 200 integrated into one piece can need not additionally install spacing post 210 on pivot 100 when the assembly, also need not install spacing post 210 in the additional drilling of processing on pivot 100, simplified processing technology and assembly process, simultaneously because processing assembly step reduces, the position that needs the precision matching of part also reduces, thereby reduced because of processing assembly error, the unqualified product that the part cooperation can not be caused, increased the yields.

Referring to fig. 4, 5 and 10, the first connecting platform 300 has a table top capable of being provided with a limiting groove 310, the table top is opposite to the disk surface of the angle hub 200, i.e., the first connecting platform 300 and the angle hub 200 are arranged opposite to each other. It should be understood that the first connection platform 300 and the angle hub 200 are both connected (directly or indirectly) to the housing 1000 of the endoscope, such that a gap is provided between the first connection platform 300 and the angle hub 200, and the first connection platform 300 and the angle hub 200 are spaced apart from each other by a distance that allows the angle hub 200 to rotate normally without the angle hub 200 and the first connection platform 300 rubbing against each other.

The limiting groove 310 corresponds to the limiting column 210, the limiting column 210 is arranged on the angle hub 200, and the limiting groove 310 is arranged on the first connecting platform 300; it is understood that the limiting groove 310 may be a recessed portion relative to the top surface of the first connecting platform 300, or a limiting groove 310 surrounded by a raised portion relative to the top surface of the first connecting platform 300; it is understood that the limiting groove 310 may be a through groove with two ends not closed, or a closed groove with a closed groove bottom; it is understood that the limiting groove 310 may be arc-shaped to facilitate the movement of the limiting post 210, and the limiting groove 310 may also be other shapes, such as rectangle, and at this time, a certain limitation needs to be performed on the width of the limiting groove 310 along the radial direction of the rotating shaft 100, and the width needs to be large enough, so that the limiting post 210 can normally move in the limiting groove 310 when the rotating shaft 100 rotates the limiting post 210, that is, "the limiting groove 310 is suitable for the limiting post 210 to move along with the rotation of the angle hub 200".

First connection platform 300 is provided with spacing groove 310, angle wheel hub 200 is provided with corresponding spacing post 210, refer to fig. 2, 5 and 11, during actual assembly, spacing post 210 stretches into in the spacing groove 310, during the actual use, spacing post 210 moves in spacing groove 310 along with angle wheel hub 200 rotates (can understand, spacing post 210 moves along the circumference of pivot 100), along with spacing post 210 touches the groove limit of spacing groove 310, spacing post 210 receives spacing of spacing groove 310, spacing post 210 can not continue to move again, thereby angle wheel hub 200 can not continue to rotate, prevent that pull wire 900 from being drawn too tightly and even breaking.

Because the limit post 210 is limited by the limit groove 310 as the limit post 210 touches the groove edge of the limit groove 310, the limit post 210 cannot move any more, and thus the angle hub 200 cannot rotate any more; the limiting groove 310 defines a maximum rotation range (or a maximum rotation angle) of the rotating shaft 100 (i.e., a maximum movement range of the limiting post 210 in the limiting groove 310). The limiting structure 400 is arranged, and the limiting structure 400 further limits the limiting column 210 and further limits the movement of the limiting column 210; through adjusting limit structure 400, can further adjust the displacement range of spacing post 210 in spacing groove 310 to adapt to actual conditions more, for example change the pull wire 900 that tolerates the pulling force littleer, lead to angle wheel hub 200 turned angle littleer, need let spacing post 210 displacement range in spacing groove 310 littleer. The spacing structure 400 is typically provided on the same component as the spacing slot 310. There are many forms for realizing the function, so the limiting structure 400 has many forms, for example, referring to fig. 1, a limiting block 450 is provided, the limiting block 450 is connected with the first connecting platform 300 through a bolt, the limiting column 210 is limited by the limiting block 450, and the position of the limiting block 450 can be adjusted by adjusting the connecting position of the limiting block 450 and the bolt, so that the moving range of the limiting column 210 in the limiting groove 310 can be adjusted; for example, in fig. 5, a limiting bolt 410 and a limiting nut 420 are arranged, the limiting column 210 is limited by the limiting bolt 410 (or the limiting nut 420), the position of the limiting bolt 410 in the limiting groove 310 can be adjusted after the limiting nut 420 is loosened, and the limiting nut 420 is screwed after the adjustment is completed; for example, in fig. 12, a swing arm 430 is provided, one end of the swing arm 430 is provided with a limiting protrusion 431, the limiting protrusion 431 extends into the limiting groove 310 to further limit the limiting column 210, the other end of the swing arm 430 is hinged to the first connecting platform 300, the swing arm 430 can be rotated to adjust the position of the limiting protrusion 431 in the limiting groove 310, the other end of the swing arm 430 locks the swing arm 430 through a locking nut 440, and the position of the limiting protrusion 431 in the limiting groove 310 is fixed.

Referring to fig. 14 and 15, the rotating shaft 100 and the angle hub 200 are both disposed on the same side of the first connecting platform 300 (both located above the first connecting platform 300), so that a space for installing other parts can be set aside below the first connecting platform 300, the space above the first connecting platform 300 is used for installing an angle locking device, such as an upper wheel disc, a lower wheel disc, and the like, the space above the first connecting platform 300 is also used for externally connecting a handle, the space below the first connecting platform 300 is used for installing internal parts, the first connecting platform 300 is used for dividing the internal space of the endoscope, and the overall spatial arrangement is more reasonable and compact.

Referring to fig. 1, 2, 5, 6 and 8, the limiting structure 400 includes a limiting bolt 410 and a limiting nut 420, the limiting bolt 410 and the limiting nut 420 are disposed on the first connecting platform 300, so as to prevent too many structures from being attached to the angle hub 200, reduce the sensitivity of the angle hub 200, and occupy more space, and the first connecting platform 300 has a larger space for disposing, and the first connecting platform 300 does not need to be abutted closely to other parts of the endoscope, and has a larger space for disposing the limiting bolt 410 and the limiting nut 420. The limiting groove 310 is a through groove, a screw of the limiting bolt 410 passes through the limiting groove 310 from one side of the first connecting platform 300, the limiting nut 420 is connected to the other side of the first connecting platform 300, the limiting bolt 410 is in threaded connection with the limiting nut 420, and the head of the limiting bolt 410 and the nut clamp the first connecting platform 300 in the middle (it is understood that the diameters of circumcircles of the head of the limiting bolt 410 and the nut are both larger than the width of the limiting groove 310, so that the head of the limiting bolt 410 and the nut can clamp the first connecting platform 300 in the middle; the diameter of the screw of the limiting bolt 410 is smaller than the width of the limiting groove 310, so that the screw of the limiting bolt 410 can pass through the limiting groove 310); when the moving range of the limiting column 210 in the limiting groove 310 needs to be adjusted, the limiting nut 420 is unscrewed, so that the limiting bolt 410 can be moved, the position of the limiting bolt 410 in the limiting groove 310 is adjusted, after the adjustment is completed, the limiting nut 420 is screwed down, the first connecting platform 300 is tightly clamped, and the position of the limiting bolt 410 in the limiting groove 310 is fixed. The limiting structure 400 is formed by the limiting bolt 410 and the limiting nut 420, and is simple and convenient, wide in raw material source and easy to purchase, and the bolt is a standard part, so that the design and determination of the width dimension of the limiting groove 310 are facilitated. Compared with the existing endoscope angle adjusting device, the limiting structure 400 (limiting bolt 410) is limited by the limiting block 450, one part (screw) of the limiting structure 400 (limiting bolt 410) is directly arranged in the limiting groove 310, and the occupied space of the first connecting platform 300 is shared, so that the occupied space of the original limiting structure 400 (limiting block 450) can be greatly reduced, the product structure height is reduced, the product space is more reasonably utilized, the product volume is reduced, the raw material cost is reduced, the internal space of the endoscope is expanded, and the assembly of other internal parts is facilitated; and only need to dismantle shell 1000, just can directly insert tools such as spanner below first connection platform 300, unscrew stop nut 420, come the position of adjusting stop bolt 410 in spacing groove 310, after the regulation is accomplished, just can directly screw up stop nut 420 through spanner or other tools, come the fixed position of stop bolt 410 in spacing groove 310, thereby reach the purpose of angle regulation wheel hub 200 rotation range, and compare stop nut 420 and set up in the top of first connection platform 300, when stop nut 420 sets up in the below of first connection platform 300, conveniently twist stop nut 420 more, auxiliary component such as gasket, packing ring is conveniently added between stop nut 420 and first connection platform 300. It should be understood that a bolt is a type of fastener that consists of two parts, a head and a shank (a cylinder with external threads), which is intended to mate with a nut. It can be understood that two pairs of limiting bolts 410 and limiting nuts 420 are generally provided, which are respectively disposed at two ends of the limiting groove 310, and respectively limit the moving range of the limiting column 210 when the rotating shaft 100 rotates left and right (rotates clockwise and rotates counterclockwise).

Referring to fig. 5, 6, 8 and 11, in some embodiments of the present invention, the head of the limiting bolt 410 is located at the upper end of the first connecting platform 300, the limiting nut 420 is located at the lower end of the first connecting platform 300, the upper end of the sidewall of the limiting groove 310 is provided with the receiving groove 311, and the receiving groove 311 is used for receiving the head of the limiting bolt 410.

The first connecting platform 300 has two sides, an upper side being close to the angle hub 200 and a lower side being far from the angle hub 200. Since the position-limiting groove 310 is disposed on the first connecting platform 300 and the sidewall of the position-limiting groove 310 is provided with the receiving groove 311, the receiving groove 311 can also be said to be disposed on the first connecting platform 300. Holding tank 311 sets up in the one side that first connection platform 300 is close to angle wheel hub 200, holds stop nut 420 to can reduce the clearance between angle wheel hub 200 and the first connection platform 300, reduce product structure height, the more rational utilization product space, reduce the product volume, reduce material cost, enlarge the inside space of endoscope simultaneously, be favorable to the assembly of inside other parts.

Referring to fig. 5, 6 and 8, in some embodiments of the present invention, the limiting bolt 410 is an outer hexagon bolt, and the side wall of the receiving groove 311 is used for limiting the head.

Spacing bolt 410 is outer hexagon bolt, when the width of holding tank 311 is less (the width of holding tank 311 is slightly less than the diameter of the circumscribed circle of the head of spacing bolt 410, slightly more than the diameter of the inscribed circle of the head of spacing bolt 410), the lateral wall of holding tank 311 just can carry on spacingly to the head, thereby can be when twisting the stop nut 420 of first connecting platform 300 below, it is fixed to spacing bolt 410 not need extra use tools, just can screw up or unscrew stop nut 420, make angle regulation wheel hub 200 rotation range's process simple and convenient more.

Referring to fig. 2, 3 and 11, in some embodiments of the present invention, the fixing member 700 is further included, the fixing member 700 is fixedly connected to the angle hub 200, and the fixing member 700 is configured to be fixedly connected to the traction wire 900.

The fixing connection of the angle hub 200 and the fixing member 700 and the fixing connection of the fixing member 700 and the traction wire 900 may be integrally formed, welded, bonded, thermally fused, etc. The angle hub 200 is provided with a fixing member 700, which facilitates the installation and positioning of the subsequent pull wire 900. The fixing member 700 is fixedly coupled to the traction wire 900 to relatively fix the traction wire 900 to the angle hub 200, thereby preventing the traction wire 900 from slipping.

Referring to fig. 2, 3 and 11, in some embodiments of the present invention, the fixing member 700 is a steel column, the steel column is provided with a threading through hole 710, the steel column is welded to the angle hub 200, and the threading through hole 710 is used for penetrating through the traction wire 900.

The steel column simple structure, the processing of being convenient for or purchase customization, the face of cylinder of steel column be convenient for moreover with angle wheel hub 200's mounting groove 221 gomphosis, be convenient for adopt the fixed connection mode of welding such for the sound construction is reliable after the welding. And adopt the welded mode to connect, the technology is more simple and convenient, and welds more sound construction reliable, can bear bigger more frequent pull wire 900 pulling force. The threading through hole 710 is formed, the threading through hole 710 penetrates through the traction wire 900, and the steel column is welded with the traction wire 900 to form a firm and reliable connecting structure.

Referring to fig. 2, 3 and 4, in some embodiments of the present invention, the outer peripheral wall of the angle hub 200 is provided with a wire groove 220, the wire groove 220 being used to accommodate a traction wire 900.

Compared with the method that the pull wire 900 is forcibly fixed on the two sides of the angle hub 200, the wire guide slots 220 are arranged to accommodate the fixed pull wire 900, the damage to the angle hub 200 is small when the pull wire 900 is pulled every time, and the service life of the endoscope angle adjusting device is longer.

Referring to fig. 2, 3 and 4, in some embodiments of the present invention, the peripheral wall of the angle hub 200 is provided with a wire groove 220, the wire groove 220 is used for accommodating a traction wire 900, the side wall of the wire groove 220 is provided with a mounting groove 221, a steel column is welded in the mounting groove 221, and a threading through hole 710 is communicated with the wire groove 220.

The installation of mounting groove 221 can make things convenient for location and fixed connection of steel column. Meanwhile, the installation groove 221 is arranged, the relative position of the steel column and the limiting column 210 can be determined, and appropriate relative position parameters can be determined through calculation and design, so that when the limiting column 210 is located in the middle of the limiting groove 310, the steel column is just located in the middle of the coincident arc of the pull line 900 and the angle hub 200 (at the moment, the two sides of the snake bone structure of the endoscope are consistent in the force of the pull line 900, the snake bone structure is linear and not bent), so that the steel column can be stressed on two sides more uniformly, the stress frequencies on the two sides are more similar, in the same way, the pull line 900 on the two sides can also be stressed uniformly, the stress frequencies on the two sides are more similar, so that the steel column, the pull line 900 and the angle hub 200 are not easily damaged, and the service life of the endoscope is prolonged. The threading through hole 710 is communicated with the wire guide groove 220, so that the pull wire 900 can be conveniently threaded.

Referring to fig. 9, 11 and 16, in some embodiments of the present invention, an angle handle 800 is further included, and the angle handle 800 is detachably connected to the rotation shaft 100.

The setting of angle handle 800 makes things convenient for the staff to control the rotation of pivot 100 through angle handle 800 to control angle wheel hub 200 and rotate, and then control the bending of snake bone structure, make the endoscope can accomplish normal work. And angle handle 800 and pivot 100 can be dismantled and be connected, reduce the processing of pivot 100 and angle handle 800 and the degree of difficulty of assembly, and angle handle 800 damages easily, can dismantle the connected mode and be convenient for angle handle 800's change alone.

Referring to fig. 1, 5, 7, 8, 14 and 15, in some embodiments of the present invention, a second connection platform 500 is further included, the second connection platform 500 is disposed below the first connection platform 300, and the second connection platform 500 is connected to the first connection platform 300.

The first connecting platform 300 is connected with the shell 1000, the second connecting platform 500 is also connected with the shell 1000, and the first connecting platform 300 is connected with the second connecting platform 500 to form a stable supporting system for supporting and reinforcing the whole endoscope structure; meanwhile, the first connecting platform 300 and the second connecting platform 500 are both located on the same side of the angle hub 200 (both located below the angle hub 200), so that a space for installing other parts can be left between the first connecting platform 300 and the second connecting platform 500, and the space above the angle hub 200 is used for installing an angle locking device, such as an upper wheel disc and a lower wheel disc, and the space above the angle hub 200 is also used for externally connecting a handle, and the space below the first connecting platform 300 is used for installing internal parts, so that the angle hub 200 and the first connecting platform 300 divide the internal space of the endoscope, and the whole space arrangement is more reasonable and compact. It is to be understood that, referring to fig. 1, the first connection platform 300 and the second connection platform 500 may be indirectly connected by being detachably connected to both the connection member 600; referring to fig. 8, both the first connection platform 300 (or the second connection platform 500) and the connection member 600 may also be an integral component of the integrated structure (or the first connection platform 300 protrudes from the connection member 600), and the integral component is detachably connected (e.g., bolted or fastened) to the second connection platform 500 (or the first connection platform 300), and the first connection platform 300, the second connection platform 500 and the connection member 600 may also be integrated.

Referring to fig. 1, 5 and 8, in some embodiments of the present invention, the connector 600 is further included, the upper end of the connector 600 is connected to the first connection platform 300, the lower end of the connector 600 is connected to the second connection platform 500, and the first connection platform 300, the connector 600 and the second connection platform 500 are integrally formed.

The first connecting platform 300, the second connecting platform 500 and the connecting piece 600 are integrally formed, so that the machining process and the assembling process are simplified, and meanwhile, the parts needing precise matching and matching of parts are reduced due to the reduction of machining and assembling steps, so that unqualified products caused by machining and assembling errors and poor matching of the parts are reduced, and the yield is increased.

Referring to fig. 7, 10, 14 and 15, in some embodiments of the present invention, the connecting member 600 is sleeve-shaped, and the sidewall of the sleeve-shaped connecting member 600 is provided with a space-avoiding notch 610.

Connecting piece 600 sets up to the cover tube-shape, can let connecting piece 600 atress more even, increases connecting piece 600's compressive strength for angle adjusting device is whole more firm. Set up and avoid a breach 610, let the position for other parts (for example connecting pipe 1200) of endoscope inside from, make things convenient for the installation of other parts, also be convenient for arrange the position of other parts of endoscope inside simultaneously, let the position of other parts arrange more rationally, reduce the product volume, increase the performance of product.

Referring to fig. 3 and 11, in some embodiments of the present invention, the shaft 100 and the angle hub 200 are integrally formed.

The rotating shaft 100 and the angle hub 200 are integrally formed, so that the machining process and the assembling process are simplified, and meanwhile, the number of machining and assembling steps is reduced, and the number of parts needing precise matching and matching is reduced, so that unqualified products caused by machining and assembling errors and poor matching of the parts are reduced, and the yield is increased.

Referring to fig. 5, 6 and 9, in some embodiments of the present invention, the limiting groove 310 is arc-shaped, and the arc-shaped limiting groove 310 extends along the circumferential direction of the rotating shaft 100.

Because the position-limiting column 210 relatively moves in the position-limiting groove 310 along the circumferential direction of the rotating shaft 100 when the rotating shaft 100 rotates. Therefore, the limiting groove 310 is arc-shaped and extends along the circumferential direction of the rotating shaft 100, so that the limiting post 210 does not collide with the limiting groove 310 before contacting with the two ends of the limiting groove 310, and the space of the whole limiting groove 310 can be fully utilized, as described above (the limiting groove 310 may be in other shapes, such as rectangle, at this time, the width of the limiting groove 310 along the radial direction of the rotating shaft 100 needs to be limited to a certain extent, and the width is large enough, so that the limiting post 210 can normally move in the limiting groove 310 when the rotating shaft 100 rotates), meanwhile, the width of the limiting groove 310 can be reduced, the occupied space of the limiting groove 310 can be reduced as much as possible, the first connecting platform 300 or the angle hub 200 can be prevented from being damaged, and the central angle corresponding to the arc length is the angle range within which the angle hub 200 can rotate, so that specific parameters can be conveniently designed without conversion. It should be understood that the limiting groove 310 extends along the circumferential direction of the rotating shaft 100, and extends along an arc instead of a complete circle.

Referring to fig. 14, 15 and 16, an endoscope according to an embodiment of the present invention includes the above-described endoscope angle adjusting apparatus and a housing 1000, and the housing 1000 is connected to the first connecting platform 300.

The housing 1000 and the first connection platform 300 may be directly connected or indirectly connected. In this embodiment, the housing 1000 is connected to the hub bracket 1100, and the hub bracket 1100 is further connected to the first connecting platform 300, that is, the housing 1000 is indirectly connected to the first connecting platform 300; meanwhile, the hub bracket 1100 is hinged to the rotating shaft 100, and the rotating shaft 100 is connected to the angle hub 200, so that a certain gap is formed between the first connecting platform 300 and the angle hub 200, and the first connecting platform 300 and the angle hub 200 are separated from each other by a certain distance, so that the angle hub 200 can normally rotate, and the angle hub 200 and the first connecting platform 300 cannot rub together. Furthermore, the first connecting platform 300 is connected with the housing 1000, the second connecting platform 500 is also connected with the housing 1000, and the first connecting platform 300 is connected with the second connecting platform 500 to form a stable supporting system, so that the whole endoscope structure is supported and reinforced. And the endoscope adopts foretell endoscope angle adjusting device, only needs to dismantle down shell 1000, just can adjust the rotation range of angle wheel hub 200, and accommodation process is simple and convenient for the endoscope uses more conveniently.

Referring to fig. 3 and 4, in some embodiments of the present invention, a traction wire 900 is further included, the traction wire 900 is made of a plurality of steel wires which are interlaced with each other and wound, and the traction wire 900 is connected to a side wall of the angle hub 200.

Referring to the structure of the multi-strand rope such as the three-strand rope and the four-strand rope, the pull wire 900 is made by winding and interleaving a plurality of steel wires, and is more durable. When the endoscope is inserted into a human body, if the pull wire 900 is broken, the endoscope is out of control and is bent randomly, so that great harm is possibly caused to the patient, and the endoscope is not easy to withdraw from the human body; the arrangement of the multi-strand steel wires ensures that the endoscope has higher use safety performance, the probability of the multi-strand steel wires breaking simultaneously is very low, and even if a plurality of steel wires break simultaneously, the endoscope still has certain control as long as not all the steel wires break, thereby safely withdrawing the endoscope from the human body.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. An endoscope angle adjustment device, comprising:

a rotating shaft;

the angle hub is arranged at the lower end of the rotating shaft, and the rotating shaft is used for driving the angle hub to rotate together;

the limiting column is arranged at the lower end of the angle hub;

the first connecting platform is arranged at the lower end of the angle hub and provided with a limiting groove, and the limiting column can move in the limiting groove when the angle hub rotates;

and the limiting structure comprises a limiting bolt and a limiting nut, and the limiting bolt penetrates through the limiting groove and is connected with the limiting nut.

2. The endoscope angle adjustment device of claim 1, wherein the head of the stop bolt is located at the upper end of the first connection platform, the stop nut is located at the lower end of the first connection platform, and the upper end of the side wall of the stop groove is provided with a receiving groove for receiving the head of the stop bolt.

3. The endoscope angle adjustment device of claim 2, wherein the stop bolt is a hex head bolt, and the side wall of the receiving groove is used for stopping the head.

4. The endoscopic angle adjustment apparatus of claim 1, further comprising a fixture fixedly coupled to the angle hub, the fixture adapted to fixedly couple to a pull wire.

5. The endoscope angle adjustment device of claim 4, wherein the fixing member is a steel column, the steel column is provided with a threading through hole, the steel column is fixedly connected with the angle hub, and the threading through hole is used for penetrating the traction wire.

6. The endoscopic angle adjustment apparatus of claim 1, wherein the peripheral wall of the angle hub is provided with a wire guide groove for receiving a pull wire.

7. The endoscope angle adjustment device of claim 5, wherein the peripheral wall of the angle hub is provided with a wire guide groove for receiving the traction wire, the side wall of the wire guide groove is provided with a mounting groove, the steel column is fixedly connected in the mounting groove, and the wire through hole is communicated with the wire guide groove.

8. The endoscope angle adjustment device of claim 1, further comprising an angle handle, wherein the angle handle is detachably connected to the shaft.

9. An endoscope, comprising:

the endoscope angle adjustment device of any one of claims 1-8;

a housing connected with the first connection platform.

10. The endoscope of claim 9, further comprising a pull wire made of a plurality of strands of steel wire interleaved with one another and wound, the pull wire attached to a sidewall of the angle hub.

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