CN218717943U

CN218717943U - Endoscope insertion portion quick assembly disassembly locking mechanism

Info

Publication number: CN218717943U
Application number: CN202223068342.6U
Authority: CN
Inventors: 袁洪文; 袁秀伟; 曹良伟; 袁雄
Original assignee: Hangzhou Weisibo Medical Technology Co ltd
Current assignee: Hangzhou Weisibo Medical Technology Co ltd
Priority date: 2022-11-19
Filing date: 2022-11-19
Publication date: 2023-03-24
Anticipated expiration: 2032-11-19

Abstract

The utility model discloses an endoscope insertion portion quick assembly disassembly locking mechanism belongs to endoscope equipment technical field, include: the anti-rotation ring comprises an insertion part, a handle front cover, a handle, an anti-rotation ring positioning support, a lock nut, a claw hook device and a spring device, wherein the handle front cover is installed on the handle and fixedly installed on the anti-rotation ring positioning support, the anti-rotation ring penetrates through the handle front cover and penetrates through the anti-rotation ring positioning support, the lock nut is in threaded connection with the anti-rotation ring, the claw hook device comprises a claw hook, the claw hook is hinged to the handle, the claw hook head end is provided with a claw part, the tail end of the insertion part is provided with a claw hook groove, the anti-rotation ring groove is formed in the anti-rotation ring and is aligned with the anti-rotation ring groove, the claw hook part fixes the insertion part in the anti-rotation ring, the spring device is installed inside the handle, and the claw hook tail end is abutted against the spring device to fix the claw part in the anti-rotation ring groove and the claw hook groove. The utility model discloses simple structure can realize the dismouting of inserting the portion fast, and the installation of inserting the portion is firm.

Description

Endoscope insertion portion quick assembly disassembly locking mechanism

Technical Field

The utility model relates to an endoscope equipment technical field especially relates to an endoscope insertion portion quick assembly disassembly locking mechanism.

Background

The existing endoscope insertion part quick dismounting locking scheme is mostly similar to the aviation head connector connection scheme. The spring lock inside the connector is controlled to retreat through the connector shell at the rear poking insertion end. After the insertion part is installed in the handle main body, the joint shell is loosened, the spring lock catch is popped up, and joint installation is realized. Otherwise, the plug-in part can be taken out of the handle body by pulling the joint shell. The existing insertion part joint is easy to loosen after being used for a long time, the signal connection between the insertion part and an endoscope handle is influenced, the service life of the aviation head connection mode is low, and the aviation head connection mode is large in joint appearance size, complex in structure and high in cost.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an endoscope insertion portion quick assembly disassembly locking mechanism can realize the dismouting of insertion portion fast, simple structure, and it is firm to use, with low costs.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an endoscope insertion portion quick release locking mechanism comprising: insert portion, handle protecgulum, handle, anti-rotating ring locating support, lock nut, claw hook device and spring assembly, the handle protecgulum is installed on the handle, anti-rotating ring locating support fixed mounting be in on the handle, the anti-rotating ring passes the handle protecgulum stretches into in the handle, the anti-rotating ring passes anti-rotating ring locating support, lock nut with the terminal threaded connection of anti-rotating ring, claw hook device includes the claw hook, the claw is colluded the handle is inside with the handle is articulated, the head end of claw hook is provided with claw portion, insert portion tail end is provided with the claw hook recess, be provided with anti-rotating ring recess on the anti-rotating ring, claw portion with the anti-rotating ring recess aligns, claw portion passes anti-rotating ring recess with the claw hook recess, and fixes insert portion in the anti-rotating ring, spring assembly install inside the handle, claw hook tail end with spring assembly, and fix claw portion in the anti-rotating ring recess with in the claw hook recess.

Further, the spring device comprises a spring fixing seat and a large spring, the spring fixing seat is installed in the handle, the large spring is installed in the spring fixing seat, and the top end of the large spring is abutted to the tail end of the claw hook.

Furthermore, the spring device also comprises a positioning pin, a button, a second positioning ring and a small spring, wherein the positioning pin is used for installing the second positioning ring on the button, and the second positioning ring is abutted against the tail end of the claw hook; be provided with the button on the handle and dodge the hole, the button top is passed the button dodges the hole, the button is in slide in the spring fixing base, little spring mounting is in the spring fixing base, little spring top with the button butt.

Furthermore, the claw hook device further comprises a positioning stud and a first positioning ring, the positioning stud is installed inside the handle, the first positioning ring is fixedly installed in the middle of the claw hook, and the first positioning ring is rotatably connected with the positioning stud.

Furthermore, the claw hook device further comprises a limiting stud, the limiting stud is installed in the handle, a limiting groove is formed in the tail end of the claw hook, and the limiting stud can be located at the limiting groove and is limited to the tail end of the claw hook.

The beneficial effects of the utility model reside in that:

the claw hook of the utility model is hinged in the handle, the spring device is abutted at the tail end of the claw hook, the claw part is fixed in the anti-rotation ring groove by utilizing the lever principle, the tail end of the insertion part pushes the claw part to lift up in the process of inserting the anti-rotation ring, and the claw part enters the claw groove and the anti-rotation ring groove under the action of the spring device along with the insertion part going deep until the claw groove is aligned with the anti-rotation ring groove, so that the insertion part is easily and quickly fixed in the handle; the big spring is abutted at the tail end of the claw hook, and the claw part is continuously pressed downwards by utilizing the lever principle; the button and the second locating ring abut against the top of the tail end of the claw hook, the button is pressed, the button presses the tail end of the claw hook downwards through the second locating ring, under the lever action, the claw part is lifted, the insertion part is easily detached from the handle, and the small spring enables the button to reset under the spring elastic action.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural view of a locking mechanism for quick assembly and disassembly of an insertion portion of an endoscope.

Fig. 2 is a schematic view of the insertion portion and handle installation.

Fig. 3 is a schematic sectional view showing the assembly of the insertion portion and the handle.

Fig. 4 is a partially enlarged view of a position a in fig. 3.

Fig. 5 is an exploded view of the mounting structure of the insert portion and the anti-rotation ring positioning bracket.

Fig. 6 is an exploded view of the pawl and spring assembly.

Fig. 7 is a schematic view of the installation of the claw hook, the spring device and the handle.

Wherein, in the figure:

10-insertion part, 11-claw hook groove, 20-handle front cover, 30-handle, 31-button avoidance hole, 40-anti-rotation ring, 41-anti-rotation ring groove, 50-anti-rotation ring positioning support, 60-locking nut, 71-claw hook, 711-claw part, 712-limiting groove, 72-positioning stud, 73-first positioning ring, 74-limiting stud, 81-spring fixing seat, 82-big spring, 83-positioning pin, 84-button, 85-second positioning ring, 86-small spring, 90-first screw and 100-second screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a locking mechanism for quickly assembling and disassembling an insertion portion of an endoscope, comprising: the anti-rotation connector comprises an insertion portion 10, a handle front cover 20, a handle 30, an anti-rotation ring 40, an anti-rotation ring positioning support 50, a locking nut 60, a claw hook device and a spring device, wherein the handle front cover 20 is installed on the handle 30, the anti-rotation ring positioning support 50 is fixedly installed on the handle 30, the anti-rotation ring 40 penetrates through the handle front cover 20 and extends into the handle 30, the anti-rotation ring 40 penetrates through the anti-rotation ring positioning support 50, the locking nut 60 is in threaded connection with the tail end of the anti-rotation ring 40, the claw hook device comprises a claw hook 71, the claw hook 71 is hinged to the handle 30 inside the handle 30, the head end of the claw hook 71 is provided with a claw portion 711, the tail end of the insertion portion 10 is provided with a claw hook groove 11, the anti-rotation ring 40 is provided with an anti-rotation ring groove 41, the claw hook groove 11 is aligned with the anti-rotation ring groove 41, the claw portion penetrates through the anti-rotation ring groove 41 and the claw hook groove 11 to fix the insertion portion 10 in the anti-rotation ring 40, a structure (conventional design and not shown in the figure) with which the anti-rotation ring 10 is matched with the insertion portion 10 is designed correspondingly, and the anti-rotation ring 40 is capable of ensuring that the one-rotation connector is connected one-to one-rotation connector after installation. The spring means is installed inside the handle 30, and the tail end of the claw hook 71 abuts against the spring means, so that the claw part 711 is fixed in the rotation preventing ring groove 41 and the claw hook groove 11. During installation, the tail of the insertion part 10 is installed into the anti-rotation ring 40, when the tail of the insertion part 10 is in contact with the head end inclined plane of the claw part 711, the tail end of the insertion part 10 pushes the claw part 711 to be lifted up, the claw part 711 is inserted into the hook groove and the anti-rotation ring groove 41 under the action of the spring device along with the insertion part 10 going deep until the hook groove is aligned with the anti-rotation ring groove 41, and therefore the insertion part 10 is easily and quickly fixed in the handle 30.

Spring assembly includes spring fixing base 81 and big spring 82, and spring fixing base 81 passes through second screw 100 fixed mounting in handle 30, and big spring 82 installs in spring fixing base 81, and big spring 82 top and claw hook 71 tail end butt. The large spring 82 abuts on the rear end of the claw hook 71, and the claw part 711 is continuously pressed downward by the lever principle, so that the insertion part 10 and the handle 30 are continuously and reliably connected.

The claw hook device further comprises a positioning stud 72 and a first positioning ring 73, the positioning stud 72 is installed inside the handle 30, the first positioning ring 73 is fixedly installed in the middle of the claw hook 71, and the first positioning ring 73 is rotatably connected with the positioning stud 72. When the insertion portion 10 is mounted or dismounted, the rotation of the claw hook 71 is formed by rotating around the positioning stud 72.

The spring device further comprises a positioning pin 83, a button 84, a second positioning ring 85 and a small spring 86, the positioning pin 83 is used for installing the second positioning ring 85 on the button 84, and the second positioning ring 85 is abutted against the tail end of the claw hook 71; the handle 30 is provided with a button avoiding hole 31, the top end of the button 84 penetrates through the button avoiding hole 31, the button 84 slides in the spring fixing seat 81, the small spring 86 is installed in the spring fixing seat 81, and the top end of the small spring 86 is abutted to the button 84.

When the insertion portion 10 is removed, the button 84 drives the second positioning ring 85 to press the tail end of the claw hook 71 by pressing the button 84. The claw part 711 at the head end of the claw hook 71 is rotated and lifted up around the positioning stud 72 by the lever force. The pawl 711 moves upward to disengage from the hook recess 11, and the insert 10 can be removed outward to achieve quick removal.

The claw hook device further comprises a limiting stud 74, the limiting stud 74 is installed in the handle 30, a limiting groove 712 is formed in the tail end of the claw hook 71, the limiting stud 74 can limit the tail end of the claw hook 71 at the limiting groove 712, and interference collision between the overlarge stroke of the upper table of the claw hook 71 and the shell inside the front handle cover 20 is avoided. When the button 84 is released by hand, the button 84 is returned to its original position by the opposing force of the four small springs 86.

Examples

1. The anti-rotation ring 40, the handle front cover 20 and the handle 30 are mounted in place.

2. Two first screws 90 are used to mount the anti-rotation ring positioning bracket 50 into the handle 30.

3. The anti-rotation ring 40 is locked in the anti-rotation ring-positioning bracket 50 with the lock nut 60.

4. The large spring 82 and the four small springs 86 are installed in the spring holder 81.

5. A second locating ring 85 is assembled to the button 84 using locating pins 83.

6. The first positioning ring 73 is assembled into the corresponding mounting hole of the claw hook 71,

7. the assembled button 84 and the claw hook 71 are mounted together in the spring holder 81.

8. The assembled button 84 and pawl 71 are secured to the handle 30 using the locating stud 72, second screw 100 and limit stud 74 to complete the mechanism assembly.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A locking mechanism for quickly disassembling and assembling an insertion part of an endoscope is characterized by comprising: insert portion, handle protecgulum, handle, anti-rotating ring locating support, lock nut, claw hook device and spring assembly, the handle protecgulum is installed on the handle, anti-rotating ring locating support fixed mounting be in on the handle, the anti-rotating ring passes the handle protecgulum stretches into in the handle, the anti-rotating ring passes anti-rotating ring locating support, lock nut with the terminal threaded connection of anti-rotating ring, claw hook device includes the claw hook, the claw is colluded the handle is inside with the handle is articulated, the head end of claw hook is provided with claw portion, insert portion tail end is provided with the claw hook recess, be provided with anti-rotating ring recess on the anti-rotating ring, claw portion with the anti-rotating ring recess aligns, claw portion passes anti-rotating ring recess with the claw hook recess, and fixes insert portion in the anti-rotating ring, spring assembly install inside the handle, claw hook tail end with spring assembly, and fix claw portion in the anti-rotating ring recess with in the claw hook recess.

2. The endoscope insertion portion quick release locking mechanism of claim 1, wherein the spring device comprises a spring fixing seat and a large spring, the spring fixing seat is installed in the handle, the large spring is installed in the spring fixing seat, and the top end of the large spring abuts against the tail end of the claw hook.

3. The endoscope insertion portion quick release locking mechanism of claim 2, wherein the spring device further comprises a positioning pin, a button, a second positioning ring and a small spring, the positioning pin mounts the second positioning ring on the button, and the second positioning ring abuts against the tail end of the claw hook; the handle is provided with a button avoiding hole, the top end of the button penetrates through the button avoiding hole, the button slides in the spring fixing seat, the small spring is installed in the spring fixing seat, and the top end of the small spring is abutted to the button.

4. The endoscope insertion portion quick release locking mechanism of claim 1, wherein the claw hook device further comprises a positioning stud and a first positioning ring, the positioning stud is mounted inside the handle, the first positioning ring is fixedly mounted in the middle of the claw hook, and the first positioning ring is rotatably connected with the positioning stud.

5. The endoscope insertion portion quick-release locking mechanism according to claim 1 or 4, wherein the claw hook device further comprises a limiting stud installed in the handle, a limiting groove is arranged on the tail end of the claw hook, and the limiting stud can limit the tail end of the claw hook at the limiting groove.