CN212521714U

CN212521714U - Split type endoscope handle

Info

Publication number: CN212521714U
Application number: CN202021975212.9U
Authority: CN
Inventors: 胡济凡; 杜云龙
Original assignee: Shenzhen Hongji Medical Technology Development Co ltd
Current assignee: Shenzhen Hongji Medical Technology Development Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-02-12
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a split type endoscope handle, include: the rotary table shell, with the transition casing that the rotary table shell is connected, with the afterbody casing that the transition casing is connected concatenates the fixed subassembly of connection of rotary table shell, transition casing, afterbody casing is installed rotating-structure on the rotary table shell inserts the hose, respectively with rotating-structure, the haulage rope subassembly of the end-to-end connection who inserts the hose. The utility model discloses a transition casing is hollow tubulose, and the haulage rope subassembly passes fixed pipe, reducing pipe and gets into and inserts the hose, and the haulage rope subassembly sets up in one side of first diaphragm, consequently, the interior device of handle (like the haulage rope) just can not influenced by the handle casing, makes things convenient for the use of endoscope.

Description

Split type endoscope handle

Technical Field

The utility model relates to an endoscope technical field especially relates to a split type endoscope handle.

Background

An endoscope is a medical instrument comprising: the adjustable pipe bending device comprises an insertion head, a bendable pipe, an operating handle, a traction rope and an adjusting device, wherein the insertion head is connected with the bendable pipe, the bendable pipe is connected with the operating handle, the adjusting device is installed on the operating handle, one end of the traction rope penetrates through the bendable pipe to be connected with the insertion head, and the other end of the traction rope is connected with the adjusting device; the adjusting device is controlled to drive the traction rope to pull the insertion head, so that the insertion head is steered. The existing operating handle is formed by buckling two half handles, such as an authorized bulletin number: CN 207693536U's utility model patent, this kind of operating handle of half two handle locks require the fixed precision of installation of the device in the handle very high, if it is accurate not to install, the device in the handle is very easily pushed down to half two handles after the lock, influences the use of endoscope handle then.

The adjustment device generally comprises: the rotating disc and the rotating arm connected with the rotating disc rotate by pushing the rotating arm, and the pulling rope arranged on the rotating disc can pull the insertion head, so that the insertion head can steer. The limit structure in the rotating disc of the existing endoscope is fixed, the maximum rotating angle of the structure is also fixed, the rotating disc can only rotate within a fixed angle range, namely, the angle range of the rotating head is fixed, the structure is poor in adjustability when being applied, and cannot be used for different people, such as a nephroscope inserted into a kidney, the size of the kidney of different people is different, the rotating angle of the inserting head can be different, for example, for adults, the kidney of the adult develops completely, the rotating angle of the inserting head can be larger, but for minors, the rotating angle of the inserting head is larger, and the kidney of the minors is easily damaged.

The endoscope is provided with at least two groups of traction ropes for controlling the steering of the insertion head in two directions, the two groups of traction ropes are linked, one group of traction ropes is tensioned, the other group of traction ropes is tensioned in a reverse direction, and therefore when the two groups of traction ropes are assembled, the endoscope needs to be very accurate. The rotating disc and the insertion head are connected respectively to a complete haulage rope that current endoscope adopted, need adjust the length of two sets of haulage ropes when producing the equipment endoscope for two sets of haulage rope length are unanimous, are in the straight state with the insertion head of guaranteeing the endoscope when not using, consequently, need consume a large amount of efforts, and production efficiency is low. The endoscope handle also comprises an optical fiber and a camera, the optical fiber is used for guiding light to provide illumination, and the camera is used for acquiring images. The optical fiber of the existing endoscope handle, the signal wire connected with the camera and the traction rope are all arranged in the operation handle, the traction rope is easy to touch the optical fiber and the signal wire when in motion, and the signal wire are easy to wear after long-term use. And (4) loss.

The existing operation pipeline is only provided with an operation port which is directly communicated with a flexible pipeline, and the flexible pipeline extends into an insertion head of the endoscope. The operation mouth generally sets up in the side of endoscope handle, and the flexible pipeline is that the state of bending is connected with the operation mouth, and consequently snake-shaped laser instrument is direct when inserting flexible pipeline from the operation mouth, and snake-shaped laser instrument is to the great scraping of existence of flexible pipeline, very damages flexible pipeline easily, influences the life of flexible pipeline.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a split type endoscope handle, device in the installation handle that can be more accurate convenient also avoids handle shell to influence device in the handle simultaneously, makes things convenient for the use of endoscope handle.

The technical scheme of the utility model as follows: provided is a split-type endoscope handle including: the rotary table shell, with the transition casing that the rotary table shell is connected, with the afterbody casing that the transition casing is connected concatenates the fixed subassembly of connection of rotary table shell, transition casing, afterbody casing is installed rotating-structure on the rotary table shell inserts the hose, respectively with rotating-structure, the haulage rope subassembly of the end-to-end connection who inserts the hose.

The connection fixing assembly comprises: the T-shaped connecting piece, the fixed pipe connected with the T-shaped connecting piece and the reducing pipe connected with the fixed pipe; the reducing pipe is connected with the inserting hose; be provided with a plurality of connection pieces in the carousel casing, T shape connecting piece includes: the first vertical plate is connected with the connecting piece, and the first transverse plate is connected with the fixed pipe.

One end of the T-shaped connecting piece is inserted into the rotary table shell and connected with the rotary table shell, and the other end of the T-shaped connecting piece is inserted into the transition shell; one end of the fixed pipe is inserted into the transition shell, and the other end of the fixed pipe is inserted into the tail shell; the reducing pipe is arranged in the tail shell, and the inserting hose penetrates out of the tail shell.

The traction rope assembly penetrates through the fixed pipe and the reducing pipe and enters the insertion hose to be connected with the tail end of the insertion hose; the haulage rope subassembly sets up in one side of first diaphragm.

The transition casing is hollow tubulose, and the haulage rope subassembly passes fixed pipe, reducing pipe and gets into and inserts the hose, and the haulage rope subassembly sets up the one side at first diaphragm, consequently, the interior device of handle (like the haulage rope) just can not influenced by the handle casing, makes things convenient for the use of endoscope. The strip-shaped half handle is easy to warp in production, and the yield is seriously influenced. The utility model discloses an endoscope handle shell is the design of multistage formula, and the reducible production design degree of difficulty promotes the yields.

The connection fixing assembly further comprises: a connecting seat mounted in the turntable housing; the connecting seat includes: the second transverse plate is connected with the rotary table shell, and the second vertical plate is connected with the second transverse plate. The first vertical plate and the second vertical plate are fixedly connected through a connecting column. The connecting seat can strengthen the connection between the turntable shell and the transition shell.

The connection fixing assembly further comprises: a reinforcing connecting plate mounted in the turntable housing; the second transverse plate presses the reinforcing connecting plate to be connected with the rotary table shell.

The connection fixing assembly further comprises: and the semi-cylindrical body is connected with the first transverse plate. On the one hand, the semi-cylindrical body can strengthen the strength of the first transverse plate, and meanwhile, the area enclosed between the first transverse plate and the semi-cylindrical body can be used as a channel for other wire harnesses (such as optical fibers for conducting light and signal wires for connecting a camera at the tail end of an inserted hose) of the endoscope, so that the influence of the traction rope assembly on the other wire harnesses is avoided.

One end of the rotary disc shell is provided with an insertion part, and the insertion part is inserted into the transition shell; the insertion part is provided with a first positioning block, a first positioning opening, a second positioning block and a circle of limiting block are arranged in the transition shell, and a second positioning opening is formed in the fixed pipe; the first positioning block is matched with the first positioning opening, the second positioning block is matched with the second positioning opening, and the limit block clamps the fixed pipe in a circle. The insertion portion is inserted behind the transition casing, first locating piece just inserts in the first locating hole, fixes the position between carousel casing and the transition casing, avoids becoming flexible. After the second positioning block is inserted into the second positioning hole, the position between the fixed pipe and the transition shell is fixed, and the fixed pipe is prevented from loosening.

The tail housing includes: the connecting ring comprises a connecting ring, a conical pipe and a fixed limiting pipe, wherein one end of the transition shell and one end of the conical pipe are respectively inserted into two ends of the connecting ring, a first limiting ring is arranged in the conical pipe, a second limiting ring is arranged in the fixed limiting pipe, the first limiting ring is contacted with the fixed limiting pipe, and the second limiting ring is contacted with the reducing pipe; the insertion hose passes through the fixed limiting pipe and penetrates out of the conical pipe.

The carousel casing includes: the bottom shell is provided with an opening, and the cover plate is used for plugging the opening; the rotating structure includes: the support frame is arranged in the bottom shell, the rotating disc is arranged in the support frame, the rotating shaft rod is connected with the center of the rotating disc, and the rotating arm is arranged on the rotating shaft rod; the cover plate is provided with a through hole, and the rotating shaft rod penetrates through the support frame and the through hole to be connected with the rotating arm.

The support frame includes: the supporting columns are arranged in the bottom shell, and the lower supporting disc and the upper supporting disc are respectively arranged on the supporting columns; the rotating disc is arranged between the lower supporting disc and the upper supporting disc; the rotating shaft rod penetrates through the upper supporting disc and the cover plate to be connected with the rotating arm.

When the rolling disc needs to be checked or maintained, the rolling arm is disconnected with the rotating shaft rod, then the sealing cover is taken down from the opening of the bottom shell, and the supporting frame and the rolling disc can be seen, so that the maintenance is greatly facilitated for maintenance personnel. When assembling, install the support column in the drain pan through the opening part earlier, install the bottom suspension dish on the support column, place the rolling disc on the bottom suspension dish again, after the rotating shaft stick passes the support disc, will go up the support disc again and install on the support column, when covering the opening with the apron, the axis of rotation stick just passes the apron, is connected rotor arm and rotating shaft stick, has just accomplished the installation of rolling disc, and the installation is very simple, and very make things convenient for maintainer to maintain and maintain.

The rotating structure further includes: the limiting rod is arranged on the rotating shaft rod, and one end of the limiting rod is arranged between the two limiting strips; the supporting frame is provided with a mounting screw hole, the limiting strip is provided with a long round hole, and the mounting screw hole is matched with the long round hole; or the support frame is provided with the slotted hole, the limiting strip is provided with an installation screw hole, and the installation screw hole is matched with the slotted hole.

The screw passes installation screw hole, slotted hole, and spacing strip just installs on the support frame, because the slotted hole can provide a plurality of positions and be connected with the installation screw hole to make the position of spacing strip installation on the support frame change. Because the limiting rods are arranged between the two limiting rods, the position between the two limiting rods is changed, namely the movable range of the limiting rods is changed, and the maximum rotating angle of the insertion head can be adjusted. Therefore, the maximum rotating angle of the insertion head can be adjusted by adjusting the distance between the two limiting strips, and the insertion head is convenient to apply to different people.

The pull-cord assembly comprises: the device comprises a first traction rope, a second traction rope and a tensioning adjusting mechanism; the tension adjustment mechanism includes: the adjusting nut is connected with the adjusting screw rod in a threaded manner, two ends of the first traction rope are respectively connected with the adjusting nut and the rotating structure, and two ends of the second traction rope are respectively connected with the adjusting screw rod and the inserting hose; the tensioning adjusting mechanism is arranged on one side of the first transverse plate. Through rotating adjusting screw to can adjust the distance between first haulage rope and the second haulage rope, alright in order to make the length of haulage rope subassembly unanimous, very big has made things convenient for the length of adjustment haulage rope subassembly, and convenient fast assembly promotes production efficiency.

The tensioning adjustment mechanism further comprises: the first wiring pipe is arranged in the adjusting nut, and the second wiring pipe is arranged in the adjusting screw rod; the adjusting nut is provided with a first through hole, a third limiting ring is arranged in the first through hole, one end of the first bundling pipe is in contact with the third limiting ring, and one end of the first traction rope penetrates through the first through hole to be connected with the first bundling pipe; the adjusting screw is provided with a second through hole, a fourth limiting ring is arranged in the second through hole, one end of the second bunching pipe is connected with the fourth limiting ring, and one end of the second traction rope penetrates through the second through hole and is connected with the second bunching pipe. The first traction rope is connected with the first bunch of pipes, and the second traction rope is connected with the second bunch of pipes, so that the adjustment between the adjusting screw and the adjusting nut can be more convenient.

The side of first bunch pipe is provided with first bunch hole, the one end of first haulage rope is fixed in first bunch hole department, the side of second bunch pipe is provided with the second bunch hole, the one end of second haulage rope is fixed in second bunch hole department. The first bundling wire hole is formed in the side face of the first bundling wire pipe, so that the first traction rope part is clamped between the first bundling wire pipe and the first through hole, the first bundling wire pipe is firmly fixed in the first through hole, and looseness is avoided; in a similar way, the second bunching hole is formed in the side face of the second bunching pipe, so that the second traction rope part is clamped between the second bunching pipe and the second through hole, the second bunching pipe is firmly fixed in the second through hole, and looseness is avoided.

Split type endoscope handle still includes operation pipeline structure, operation pipeline structure includes: the device comprises a steering pipe, an introduction pipe, a guide pipe, an insertion pipe and a locking nut; the steering pipe is provided with an arc-shaped pipeline, the inserting pipe and the guide pipe are respectively communicated with the arc-shaped pipeline, and the guide pipe is communicated with the inserting pipe; the transition shell is provided with an insertion hole, the insertion hole tightly sleeves the introduction pipe, and the introduction pipe penetrates through the transition shell and the fixed pipe and is connected with the steering pipe; the guide pipe is provided with a limiting plate, one end of the guide pipe is inserted into the arc-shaped pipeline, one side of the limiting plate is in contact with the steering pipe, and the other side of the limiting plate is buckled by a locking nut; the locking nut is provided with an internal thread, the arc-shaped pipeline is provided with an external thread, and the internal thread is matched with the external thread. The insertion tube penetrates into the insertion hose.

The fixed pipe is connected with the steering pipe through a screw. Because the arc pipeline of the steering pipe provides steering for the snake-shaped laser, the snake-shaped laser scrapes the arc pipeline, thereby avoiding the scraping of the snake-shaped laser to the soft insert pipe, avoiding damaging the insert pipe and prolonging the service life of the insert pipe. The locking nut can tightly connect the guide pipe with the steering pipe.

According to the above technical scheme, the utility model provides a split type endoscope handle, transition casing are hollow tubulose, and the haulage rope subassembly passes fixed pipe, reducing pipe and gets into and insert the hose, and the haulage rope subassembly sets up the one side at first diaphragm, consequently, device (like the haulage rope) just can not influenced by the handle casing in the handle, makes things convenient for the use of endoscope.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the transition shell region of the present invention;

FIG. 3 is an exploded view of the turntable housing area of the present invention;

fig. 4 is an exploded view of the aft shell region of the present invention;

FIG. 5 is a schematic structural view of the present invention with the transition housing and the cover plate removed;

FIG. 6 is a schematic structural view of the present invention with the cover plate and the rotating structure removed;

fig. 7 is a schematic structural view of the connection fixing component of the present invention;

fig. 8 is a schematic structural view of the bottom case of the present invention;

fig. 9 is a schematic structural view of the transition housing of the present invention;

fig. 10 is a schematic structural view of another view angle of the transition housing according to the present invention;

fig. 11 is a schematic structural view of the fixing tube of the present invention;

fig. 12 is a schematic structural view of a pull-cord assembly of the present invention;

FIG. 13 is an exploded view of the tensioning adjustment mechanism of the present invention;

fig. 14 is a schematic structural view of the rotating shaft rod and the rotating disk of the present invention;

fig. 15 is a schematic structural view of the position-limiting strip of the present invention;

fig. 16 is a schematic structural view of the upper support plate of the present invention;

fig. 17 is an exploded view of the structure of the operation line of the present invention;

fig. 18 is a schematic structural view of an operation pipeline structure according to the present invention;

fig. 19 is a schematic structural view of the guide tube of the present invention.

Wherein, the rotary table shell 10, the transition shell 30, the tail shell 40, the insertion hose 70, the T-shaped connector 51, the fixed pipe 52, the reducing pipe 53, the connecting piece 11, the first vertical plate 54, the first horizontal plate 55, the connecting seat 56, the second horizontal plate 57, the second vertical plate 58, the connecting column 12, the reinforcing connecting plate 61, the semi-cylindrical body 65, the insertion portion 15, the first positioning block 16, the first positioning opening 31, the second positioning block 32, the limiting block 33, the insertion hole 34, the second positioning opening 68, the connecting ring 41, the tapered tube 42, the fixed limiting pipe 43, the first limiting ring 44, the second limiting ring 45, the bottom shell 17, the cover plate 18, the rotary disc 19, the rotary shaft rod 20, the rotary arm 21, the support column 22, the lower support disc 24, the upper support disc 23, the limiting strip 25, the limiting rod 26, the installation screw hole 27, the oblong hole 28, the tensioning adjustment mechanism 80, the first traction rope 81, the second traction rope 82, the adjustment nut 83, the adjustment nut, The adjusting device comprises an adjusting screw 84, a first bundle pipe 85, a second bundle pipe 86, a first through hole 87, a second through hole 88, a first bundle hole 89, a second bundle hole 90, a steering pipe 91, an introducing pipe 92, a guide pipe 93, an inserting pipe 94, a locking nut 95 and a limiting plate 96.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-19, the present invention provides a split endoscope handle, comprising: the rotary table comprises a rotary table shell 10, a transition shell 30 connected with the rotary table shell 10, a tail shell 40 connected with the transition shell 30, connection fixing components of the rotary table shell 10, the transition shell 30 and the tail shell 40 in series connection, a rotating structure arranged on the rotary table shell 10, an insertion hose 70 and a traction rope component respectively connected with the rotating structure and the tail end of the insertion hose 70.

The connection fixing assembly comprises: a T-shaped connector 51, a fixed pipe 52 connected to the T-shaped connector 51, and a reducing pipe 53 connected to the fixed pipe 52; the reducing pipe 53 is connected to the insertion hose 70; be provided with a plurality of connection pieces 11 in carousel casing 10, T shape connecting piece 51 includes: the connecting piece 11 comprises a first vertical plate 54 and a first transverse plate 55 connected with the first vertical plate 54, wherein the first vertical plate 54 is connected with the connecting piece 11, and the first transverse plate 55 is connected with the fixed pipe 52.

One end of the T-shaped connecting piece 51 is inserted into the turntable shell 10 and connected with the turntable shell 10, and the other end is inserted into the transition shell 30; one end of the fixed pipe 52 is inserted into the transition shell 30, and the other end is inserted into the tail shell 40; the reducing pipe 53 is disposed in the rear housing 40, and the insertion hose 70 is passed out of the rear housing 40.

The pulling rope assembly passes through the fixing tube 52 and the reducing tube 53 and enters the inserting hose 70 to be connected with the tail end of the inserting hose 70; the pull-cord assembly is disposed on one side of the first cross plate 55.

The transition housing 30 is hollow tubular, and the pull string assembly passes through the fixing tube 52, the reducing tube 53 and into the insertion hose 70, and the pull string assembly is disposed at one side of the first cross plate 55, so that the device (such as the pull string) in the handle is not affected by the handle housing, thereby facilitating the use of the endoscope.

The connection fixing assembly further comprises: a connecting seat 56 installed in the turntable case 10; the connection seat 56 includes: a second horizontal plate 57 connected to the turntable case 10, and a second vertical plate 58 connected to the second horizontal plate 57. The first vertical plate 54 and the second vertical plate 58 are connected and fixed through the connecting column 12. The attachment base 56 may enhance the connection of the turret housing 10 to the transition housing 30.

The connection fixing assembly further comprises: a reinforcing connecting plate 61 installed in the turntable case 10; the second horizontal plate 57 presses the reinforcing connecting plate 61 to connect with the turntable housing 10.

The connection fixing assembly further comprises: and a semi-cylindrical body 65 connected with the first cross plate 55. On one hand, the semi-cylindrical body 65 can strengthen the strength of the first transverse plate 55, and meanwhile, the area enclosed between the first transverse plate 55 and the semi-cylindrical body 65 can be used as a channel for other wire harnesses (such as optical fibers for conducting light and signal wires for connecting a camera at the tail end of the insertion hose 70) of the endoscope, so that the influence of the traction rope assembly on the other wire harnesses is avoided.

An insertion part 15 is arranged at one end of the turntable shell 10, and the insertion part 15 is inserted into the transition shell 30; the insertion part 15 is provided with a first positioning block 16, the transition shell 30 is provided with a first positioning opening 31, a second positioning block 32 and a ring of limiting block 33, and the fixed pipe 52 is provided with a second positioning opening 68; the first positioning block 16 is matched with the first positioning opening 31, the second positioning block 32 is matched with the second positioning opening 68, and the fixed pipe 52 is clamped by the limit block 33. After the insertion portion 15 is inserted into the transition housing 30, the first positioning block 16 is inserted into the first positioning opening 31 to fix the position between the turntable housing 10 and the transition housing 30, so as to avoid loosening. After the second positioning block 32 is inserted into the second positioning hole 68, the position between the fixing tube 52 and the transition housing 30 is fixed, so as to prevent the fixing tube 52 from loosening.

The tail housing 40 includes: the transition shell comprises a connecting ring 41, a conical tube 42 and a fixed limiting tube 43, wherein one end of the transition shell 30 and one end of the conical tube 42 are respectively inserted into two ends of the connecting ring 41, a first limiting ring 44 is arranged in the conical tube 42, a second limiting ring 45 is arranged in the fixed limiting tube 43, the first limiting ring 44 is in contact with the fixed limiting tube 43, and the second limiting ring 45 is in contact with a reducing tube 53; the insertion hose 70 passes through the fixed limit tube 43 and out of the tapered tube 42.

The turntable housing 10 includes: a bottom case 17 provided with an opening, a cover plate 18 for closing the opening; the rotating structure includes: a support frame installed in the bottom case 17, a rotary disk 19 disposed in the support frame, a rotary shaft rod 20 connected to the center of the rotary disk 19, a rotary arm 21; the cover plate 18 is provided with a through hole, and the rotating shaft rod 20 penetrates through the support frame and the through hole to be connected with the rotating arm 21.

The support frame includes: a plurality of support columns 22 installed in the bottom case 17, and a lower support plate 24 and an upper support plate 23 respectively installed on the support columns 22; the rotating disc 19 is arranged between the lower supporting disc 24 and the upper supporting disc 23; the rotating shaft rod 20 passes through the upper supporting disc 23 and the cover plate 18 to be connected with the rotating arm 21.

When the rotating disc 19 needs to be checked or maintained, the rotating arm 21 is disconnected from the rotating shaft rod 20, then the sealing cover is taken down from the opening of the bottom shell 17, and the supporting frame and the rotating disc 19 can be seen, so that great convenience is brought to maintenance personnel for maintenance. When assembling, install support column 22 in drain pan 17 through the opening part earlier, install bottom suspension dish 24 on support column 22, place rolling disc 19 on bottom suspension dish 24 again, after pivot rod 20 passed last support disc 23, install last support disc 23 on support column 22 again, when covering the opening with apron 18, pivot rod 20 just passes apron 18, be connected rotor arm 21 and pivot rod 20, the installation of rolling disc 19 has just been accomplished, the installation is very simple, it maintains and maintains to make things convenient for maintainer very much.

The rotating structure further includes: two limiting strips 25 arranged on the supporting frame, and a limiting rod 26 arranged on the rotating shaft rod 20, wherein one end of the limiting rod 26 is arranged between the two limiting strips 25; the supporting frame is provided with a mounting screw hole 27, the limiting strip 25 is provided with a long round hole 28, and the mounting screw hole 27 is matched with the long round hole 28; or the support frame is provided with a long round hole 28, the limiting strip 25 is provided with an installation screw hole 27, and the installation screw hole 27 is matched with the long round hole 28.

The screws pass through the mounting screw holes 27 and the long round holes 28, the limiting strips 25 are mounted on the support frame, and the long round holes 28 can provide multiple positions to be connected with the mounting screw holes 27, so that the positions of the limiting strips 25 mounted on the support frame are changed. Since the stopper rod 26 is disposed between the two stopper rods 26, the position between the two stopper strips 25 is changed, that is, the movable range of the stopper rod 26 is changed, so that the maximum rotation angle of the insertion head can be adjusted. Therefore, the maximum rotation angle of the insertion head can be adjusted by adjusting the distance between the two limit strips 25, so that the insertion head is convenient to use by different people.

The pull-cord assembly comprises: a first pull cord 81, a second pull cord 82, a tension adjustment mechanism 80; the tension adjusting mechanism 80 includes: the adjusting nut 83 is an adjusting screw 84 in threaded connection with the adjusting nut 83, two ends of the first pulling rope 81 are respectively connected with the adjusting nut 83 and the rotating structure, and two ends of the second pulling rope 82 are respectively connected with the adjusting screw 84 and the inserting hose 70; the tension adjusting mechanism 80 is disposed on one side of the first cross plate 55. Through rotating adjusting screw 84 to can adjust the distance between first haulage rope 81 and the second haulage rope 82, alright in order to make the length of haulage rope subassembly unanimous, very big length of having made things convenient for the adjustment haulage rope subassembly, convenient fast assembly promotes production efficiency.

The tension adjusting mechanism 80 further includes: a first bundle pipe 85 disposed in the adjusting nut 83, a second bundle pipe 86 disposed in the adjusting screw 84; the adjusting nut 83 is provided with a first through hole 87, a third limiting ring is arranged in the first through hole 87, one end of the first bundling pipe 85 is in contact with the third limiting ring, and one end of the first traction rope 81 passes through the first through hole 87 to be connected with the first bundling pipe 85; adjusting screw 84 is provided with second through-hole 88, be provided with the fourth spacing ring in the second through-hole 88, the one end of second bundling pipe 86 with the fourth spacing ring is connected, the one end of second haulage rope 82 is passed second through-hole 88 is connected with second bundling pipe 86. The first pulling rope 81 is connected with the first bundling pipe 85, and the second pulling rope 82 is connected with the second bundling pipe 86, so that the adjustment between the adjusting screw 84 and the adjusting nut 83 can be more convenient.

The side of first pencil 85 is provided with first pencil hole 89, the one end of first haulage rope 81 is fixed in first pencil hole 89 department, the side of second pencil 86 is provided with second pencil hole 90, the one end of second haulage rope 82 is fixed in second pencil hole 90 department. Since the first bundle wire hole 89 is arranged at the side of the first bundle wire 85, the first traction rope 81 is partially clamped between the first bundle wire 85 and the first through hole 87, so that the first bundle wire 85 is firmly fixed in the first through hole 87 to avoid loosening; similarly, the second wire hole 90 is disposed laterally of the second wire tube 86 such that the second pull cord 82 is partially sandwiched between the second wire tube 86 and the second through hole 88 to securely hold the second wire tube 86 within the second through hole 88 against loosening.

Split type endoscope handle still includes operation pipeline structure, operation pipeline structure includes: a steering tube 91, an introduction tube 92, a guide tube 93, an insertion tube 94, and a lock nut 95; the steering pipe 91 is provided with an arc-shaped pipeline, the inserting pipe 94 and the guide pipe 93 are respectively communicated with the arc-shaped pipeline, and the guide pipe 93 is communicated with the inserting pipe 94; the transition shell 30 is provided with an access hole 34, the access hole 34 tightly sleeves the introducing pipe 92, and the introducing pipe 92 passes through the transition shell 30 and the fixed pipe 52 to be connected with the steering pipe 91; the guide tube 93 is provided with a limit plate 96, one end of the guide tube 93 is inserted into the arc-shaped pipeline, one side of the limit plate 96 is in contact with the steering tube 91, and the other side of the limit plate 96 is buckled by a locking nut 95; the lock nut 95 is provided with an internal thread, the arc-shaped pipe is provided with an external thread, and the internal thread is matched with the external thread. The insertion tube 94 penetrates into the insertion hose 70.

The fixing tube 52 is connected to the steering tube 91 by screws. Since the curved conduit of the steering tube 91 provides steering for the serpentine laser, the serpentine laser scrapes the curved conduit, thereby avoiding scraping of the serpentine laser against the soft insert tube 94, avoiding damage to the insert tube 94, and thus prolonging the life of the insert tube 94. The lock nut 95 tightly connects the guide tube 93 to the steering tube 91.

To sum up, the utility model provides a split type endoscope handle, transition casing are hollow tubulose, and the haulage rope subassembly passes fixed pipe, reducing pipe and gets into and insert the hose, and the haulage rope subassembly sets up the one side at first diaphragm, consequently, device (like the haulage rope) just can not influenced by the handle casing in the handle, makes things convenient for the use of endoscope.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A split endoscope handle, comprising: the device comprises a rotary table shell, a transition shell connected with the rotary table shell, a tail shell connected with the transition shell, a connecting and fixing component connected with the rotary table shell, the transition shell and the tail shell in series, a rotating structure arranged on the rotary table shell, an inserting hose and a traction rope component respectively connected with the rotating structure and the tail end of the inserting hose;

the connection fixing assembly comprises: the T-shaped connecting piece, the fixed pipe connected with the T-shaped connecting piece and the reducing pipe connected with the fixed pipe; the reducing pipe is connected with the inserting hose; be provided with a plurality of connection pieces in the carousel casing, T shape connecting piece includes: the connecting piece is connected with the connecting piece, and the first transverse plate is connected with the fixed pipe;

one end of the T-shaped connecting piece is inserted into the rotary table shell and connected with the rotary table shell, and the other end of the T-shaped connecting piece is inserted into the transition shell; one end of the fixed pipe is inserted into the transition shell, and the other end of the fixed pipe is inserted into the tail shell; the reducing pipe is arranged in the tail shell, and the inserting hose penetrates out of the tail shell;

2. The split-type endoscope handle according to claim 1, wherein said connection fixture assembly further comprises: a connecting seat mounted in the turntable housing; the connecting seat includes: the second transverse plate is connected with the rotary table shell, and the second vertical plate is connected with the second transverse plate;

the first vertical plate and the second vertical plate are fixedly connected through a connecting column.

3. The split-type endoscope handle according to claim 2, wherein said connection fixture assembly further comprises: a reinforcing connecting plate mounted in the turntable housing; the second transverse plate presses the reinforcing connecting plate to be connected with the rotary table shell.

4. The split-type endoscope handle according to claim 1, wherein said connection fixture assembly further comprises: and the semi-cylindrical body is connected with the first transverse plate.

5. A split-type endoscope handle according to claim 1, characterized in that one end of said dial housing is provided with an insertion portion which is inserted into said transition housing; the insertion part is provided with a first positioning block, a first positioning opening, a second positioning block and a circle of limiting block are arranged in the transition shell, and a second positioning opening is formed in the fixed pipe; the first positioning block is matched with the first positioning opening, the second positioning block is matched with the second positioning opening, and the limit block clamps the fixed pipe in a circle.

6. The split-type endoscope handle according to claim 1, wherein said tail housing comprises: the connecting ring comprises a connecting ring, a conical pipe and a fixed limiting pipe, wherein one end of the transition shell and one end of the conical pipe are respectively inserted into two ends of the connecting ring, a first limiting ring is arranged in the conical pipe, a second limiting ring is arranged in the fixed limiting pipe, the first limiting ring is contacted with the fixed limiting pipe, and the second limiting ring is contacted with the reducing pipe; the insertion hose passes through the fixed limiting pipe and penetrates out of the conical pipe.

7. The split-type endoscope handle according to claim 1, wherein said dial housing comprises: the bottom shell is provided with an opening, and the cover plate is used for plugging the opening; the rotating structure includes: the support frame is arranged in the bottom shell, the rotating disc is arranged in the support frame, the rotating shaft rod is connected with the center of the rotating disc, and the rotating arm is arranged on the rotating shaft rod; the cover plate is provided with a through hole, and the rotating shaft rod penetrates through the support frame and the through hole to be connected with the rotating arm;

8. The split-type endoscope handle according to claim 7, wherein the rotation structure further comprises: the limiting rod is arranged on the rotating shaft rod, and one end of the limiting rod is arranged between the two limiting strips;

the supporting frame is provided with a mounting screw hole, the limiting strip is provided with a long round hole, and the mounting screw hole is matched with the long round hole; or the support frame is provided with the slotted hole, the limiting strip is provided with an installation screw hole, and the installation screw hole is matched with the slotted hole.

9. The split-type endoscope handle according to claim 1, wherein said pull-cord assembly comprises: the device comprises a first traction rope, a second traction rope and a tensioning adjusting mechanism; the tension adjustment mechanism includes: the adjusting nut is connected with the adjusting screw rod in a threaded manner, two ends of the first traction rope are respectively connected with the adjusting nut and the rotating structure, and two ends of the second traction rope are respectively connected with the adjusting screw rod and the inserting hose; the tensioning adjusting mechanism is arranged on one side of the first transverse plate;

the tensioning adjustment mechanism further comprises: the first wiring pipe is arranged in the adjusting nut, and the second wiring pipe is arranged in the adjusting screw rod; the adjusting nut is provided with a first through hole, a third limiting ring is arranged in the first through hole, one end of the first bundling pipe is in contact with the third limiting ring, and one end of the first traction rope penetrates through the first through hole to be connected with the first bundling pipe; the adjusting screw is provided with a second through hole, a fourth limiting ring is arranged in the second through hole, one end of the second bunching pipe is connected with the fourth limiting ring, and one end of the second traction rope penetrates through the second through hole and is connected with the second bunching pipe.

10. A split-type endoscope handle according to claim 1 and also comprising an operation tube structure, said operation tube structure comprising: the device comprises a steering pipe, an introduction pipe, a guide pipe, an insertion pipe and a locking nut; the steering pipe is provided with an arc-shaped pipeline, the inserting pipe and the guide pipe are respectively communicated with the arc-shaped pipeline, and the guide pipe is communicated with the inserting pipe; the transition shell is provided with an insertion hole, the insertion hole tightly sleeves the introduction pipe, and the introduction pipe penetrates through the transition shell and the fixed pipe and is connected with the steering pipe; the guide pipe is provided with a limiting plate, one end of the guide pipe is inserted into the arc-shaped pipeline, one side of the limiting plate is in contact with the steering pipe, and the other side of the limiting plate is buckled by a locking nut; the locking nut is provided with an internal thread, the arc-shaped pipeline is provided with an external thread, and the internal thread is matched with the external thread; the fixed pipe is connected with the steering pipe through a screw.