WO2023116148A1

WO2023116148A1 - Intermediate housing, endoscope handle, and methods

Info

Publication number: WO2023116148A1
Application number: PCT/CN2022/125750
Authority: WO
Inventors: 戴笛
Original assignee: 湖南省华芯医疗器械有限公司
Priority date: 2021-12-20
Filing date: 2022-10-17
Publication date: 2023-06-29
Also published as: CN114224265B; CN114224265A

Abstract

An intermediate housing (100), an endoscope handle, and methods. The intermediate housing (100) comprises an intermediate housing body (110) and a positioning structure (120); the bottom surface of the intermediate housing body (110) is planar; the positioning structure (120) is provided on the intermediate housing body (110); the positioning structure (120) comprises a lower housing positioning part (121); and the lower housing positioning part (121) is used for mounting a lower housing (300).

Description

An intermediate housing, endoscope handle and method

technical field

The invention relates to the technical field of endoscopes, in particular to an intermediate housing, an endoscope handle and a method.

Background technique

An endoscope is a commonly used medical device consisting of a bendable part, a light source and a set of lenses. Enter the human body through the natural orifice of the human body, or through a small incision made by surgery. When in use, the endoscope is introduced into the pre-examined organ, and the changes in the relevant parts can be directly observed. The quality of the image directly affects the use effect of the endoscope, and also marks the development level of the endoscope technology. The earliest endoscopes were used in rectal examinations. The diagnostic information obtained by this method is limited, and the patients are not only in great pain, but also because the instruments are very hard, there is a great risk of perforation. Because of these shortcomings, endoscopy has been continuously applied and developed, and many different purposes and different types of instruments have been gradually designed.

Existing hand-held ends for endoscopes, such as Chinese invention patent CN111714066A discloses a hand-held end of an endoscope, which fixes the insertion tube, signal line, controller, etc. Positioning and assembling are carried out, and the assembly is difficult, the production efficiency is low, and it is difficult to meet the needs of mass production and automatic production.

Contents of the invention

The purpose of the present invention is to solve the technical problems of difficult assembly and low production efficiency in the prior art, and provide an intermediate casing, an endoscope handle and a method that are easy to assemble and suitable for automatic production.

The first aspect of the present invention provides an intermediate housing for assembling an endoscope, including an intermediate housing body and a positioning structure:

The bottom surface of the intermediate housing body is a plane;

The positioning structure is arranged on the middle housing body;

The positioning structure includes a positioning portion of the lower casing, and the positioning portion of the lower casing is used for loading the lower casing.

Further, the positioning portion of the lower housing is provided through the middle housing body.

Further, the positioning structure further includes an electronic component positioning part and an attracting component positioning part, both of which are arranged on the upper side of the intermediate housing body.

Further, the electronic component positioning part includes an integrated circuit positioning part, and the integrated circuit positioning part is used for loading an integrated circuit board.

Further, the distance between the electronic component positioning portion and the intermediate housing body is smaller than the distance between the attracting component positioning portion and the intermediate housing body.

Further, the positioning structure also includes an insertion assembly positioning part and a rolling assembly positioning part, the insertion assembly positioning part is used for inserting the insertion assembly, and the insertion assembly positioning part is arranged at one end of the intermediate housing body; The rolling assembly positioning part is used for loading the rolling assembly, and the rolling assembly positioning part is arranged on the upper side of the intermediate housing body; the distance between the rolling assembly positioning part and the intermediate housing body is greater than that of the suction assembly The distance between the positioning part and the middle housing body.

The second aspect of the present invention provides an endoscope handle, comprising an upper casing, a lower casing and the middle casing, the upper casing and the lower casing are respectively connected to the middle casing.

Further, it also includes an electronic component, a suction component, a rolling component, and an insertion component, the electronic component is detachably arranged on the electronic component positioning part, the suction component is detachably arranged on the suction component positioning part, and the rolling component is detachably arranged In the positioning part of the rolling component, the inserting component is detachably arranged in the positioning part of the inserting component.

A third aspect of the present invention provides a method for using an intermediate housing, including the following steps:

Step S10: Prepare the intermediate housing, install the electronic component on the electronic component positioning part; install the insertion component on the insertion component positioning part;

Step S20: installing the suction component on the positioning part of the suction component;

Step S30: installing the rolling assembly on the positioning part of the rolling assembly.

The fourth aspect of the present invention provides a method for assembling an endoscope handle, comprising the following steps:

Step S51: Obtain a pre-installed intermediate case according to the method of using the intermediate case;

Step S52: Assemble the lower case from below the pre-assembled middle case through the positioning part of the lower case, and assemble the upper case from the upper side of the pre-assembled middle case through the positioning part of the upper case.

In summary, the present invention has at least the following technical effects:

1. In the present invention, by setting the bottom surface of the intermediate shell body as a plane, it facilitates the placement and positioning of the intermediate shell during assembly, improves the stability of the carrier fixing and carrying the intermediate shell, and effectively ensures the accuracy of subsequent assembly ;

2. The present invention arranges the positioning structure on the intermediate housing body, so that the components to be assembled can be easily and conveniently installed on the surface of the intermediate housing body, which improves the assembly efficiency and facilitates the quality inspection of the pre-installed intermediate housing;

3. In the present invention, the positioning part of the electronic component, the positioning part of the suction component and the positioning part of the rolling component are all arranged on the upper side of the surface of the intermediate housing body, so that the positioning and installation of the components to be assembled are more convenient, so that the manipulator does not need to be installed during installation. It is necessary to turn over or move the middle shell to complete the installation of the components to be assembled except the upper shell and the lower shell, and even if the upper shell and the lower shell need to be moved when the middle shell is installed, the bottom plane and the upper positioning structure are not easy to set. It is more convenient to transfer, and effectively ensures that the installed components will not fall during the transfer process, ensuring the stability of the assembled components during transfer;

4. The structure of the intermediate shell of the present invention is simple, the mold structure for preparing the intermediate shell is simple, the mold is easy to manufacture, and the intermediate shell is also easy to manufacture and realize; at the same time, the subsequent assembly process realizes fully automatic assembly and ensures the stability of assembly It greatly improves the assembly efficiency of the endoscope handle, thereby improving the production efficiency of the endoscope and making a breakthrough contribution to the actual production of endoscopes.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments of the present invention or in the description of the prior art. Obviously, the accompanying drawings described below are only illustrations of the present invention For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without creative effort.

Fig. 1 is a three-dimensional schematic diagram of an intermediate housing in the present invention;

Fig. 2 is a schematic plan view of an intermediate housing in the present invention;

Fig. 3 is a schematic cross-sectional view of section A-A in Fig. 2;

Fig. 4 is the exploded view of endoscope handle among the present invention;

Fig. 5 is a diagram of the use state of the intermediate housing in the present invention;

Fig. 6 is a schematic cross-sectional view of section B-B in Fig. 5;

Fig. 7 is a schematic diagram of the assembly of the first stage of the intermediate housing in the present invention;

Fig. 8 is a schematic diagram of the assembly of the second stage of the intermediate housing in the present invention;

Fig. 9 is an assembly schematic diagram of the third stage of the intermediate housing in the present invention;

Fig. 10 is an assembly schematic diagram of the first stage of the endoscope handle in the present invention;

Fig. 11 is a schematic diagram of the assembly of the second stage of the endoscope handle in the present invention;

Fig. 12 is a schematic diagram of the assembled endoscope handle in the present invention.

Among them, 100, the middle casing, 110, the middle casing body, 120, the positioning structure, 121, the lower casing positioning part, 1211, the first lower casing positioning part, 1212, the second lower casing positioning part, 1213, The third lower housing positioning part, 1214, the fourth lower housing positioning part, 123, the electronic component positioning part, 1231, the first electronic component positioning part, 1232, the integrated circuit positioning part, 1233, the third electronic component positioning part, 1234, the fourth electronic component positioning part, 1235, the fifth electronic component positioning part, 1236, the sixth electronic component positioning part, 1237, the seventh electronic component positioning part, 124, the suction component positioning part, 1241, the first suction component positioning Part, 1242, second suction component positioning part, 1243, third suction component positioning part, 1244, fourth suction component positioning part, 1245, fifth suction component positioning part, 1246, sixth suction component positioning part, 125, insertion Component positioning part, 1251, the first insertion component positioning part, 1252, the second insertion component positioning part, 126, the rolling component positioning part, 1261, the runner part positioning part, 1262, the wire part positioning part, 200, the upper shell, 300. Lower case, 310. Upper case positioning part, 311. First upper case positioning part, 312. Second upper case positioning part, 313. Third upper case positioning part, 400. Electronic component, 410 , integrated circuit board, 500, attraction component, 600, rolling component, 700, insertion component, 800, camera button, 900, adjustment handle.

Detailed ways

The following description provides many different embodiments, or examples, for implementing various features of the invention. The elements and arrangements described in the following specific examples are only used to express the present invention in a concise manner, which are only examples and not intended to limit the present invention.

In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", " The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and therefore should not be construed as limitations on the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected: it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components relation. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include that the first and second features are in direct contact, or may include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "on", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the level of the first feature is higher than that of the second feature. "Below", "below" and "under" the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is less horizontally than the second feature.

The present disclosure may repeat reference numerals and/or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Example 1:

As shown in Figure 1, Figure 2 and Figure 3, Embodiment 1 of the present invention provides an intermediate housing 100 for assembling an endoscope, including an intermediate housing body 110 and a positioning structure 120:

The bottom surface of the intermediate housing body 110 is a plane;

The positioning structure 120 is disposed on the middle housing body 110;

The positioning structure 120 includes a lower casing positioning portion 121 for the lower casing 300 to be loaded into.

A lower housing positioning portion 121 is disposed on the lower side of the intermediate housing body 110 , and the lower housing positioning portion 121 can be partially disposed through the intermediate housing body 110 . The intermediate housing body 110 may also be provided with at least one through hole, which can reduce the weight of the intermediate housing body 110 , thereby reducing the overall weight of the endoscope handle and making it easier for operators to operate.

When the intermediate housing 100 is used in the field of medical equipment, the intermediate housing 100 needs to have good bacteriostasis, and preferably has any one of flame retardancy, anti-pollution, and high impact strength. hot melt. The material of the intermediate housing 100 is not specifically limited, and only polypropylene material, polycarbonate material or acrylonitrile-butadiene-styrene material is used as an example.

Setting the bottom surface of the intermediate housing body 110 as a plane facilitates the placement and positioning of the intermediate housing 100 during automatic assembly, improves the stability of the carrier fixing and carrying the intermediate housing, and effectively ensures the accuracy of subsequent assembly.

By arranging the positioning structure 120 on the intermediate housing body 110 , the components to be assembled can be easily and conveniently installed on the surface of the intermediate housing body 110 , which improves the assembly efficiency and facilitates the quality inspection of the pre-assembled intermediate housing.

Further, the lower housing positioning portion 121 is disposed through the middle housing body 110 .

The lower housing positioning part 121 is provided with at least a first lower housing positioning part 1211, a second lower housing positioning part 1212, a third lower housing positioning part 1213, a fourth lower housing positioning part 1213, and a Housing positioning part 1214 .

The through-type positioning structure helps to improve the positioning accuracy of the positioning portion 121 of the lower housing, and at the same time facilitates automatic identification and positioning, thereby improving assembly efficiency.

Further, the positioning structure 120 further includes an electronic component positioning portion 123 and an attracting component positioning portion 124 , the electronic component positioning portion 123 and the attracting component positioning portion 124 are both disposed on the upper side of the intermediate housing body 110 .

The electronic component positioning part 123 is provided with at least a first electronic component positioning part 1231, an integrated circuit positioning part 1232, a third electronic component positioning part 1233, a fourth electronic component positioning part 1234, a The fifth electronic component positioning part 1235 , the sixth electronic component positioning part 1236 and the seventh electronic component positioning part 1237 .

The suction component positioning part 124 is provided with at least a first suction component positioning part 1241 , a second suction component positioning part 1242 , a third suction component positioning part 1243 , and a fourth suction component positioning part 1244 along the axial direction of the intermediate housing 100 , the fifth suction component positioning part 1245 and the sixth suction component positioning part 1246 .

The third attracting component positioning part 1243 is located above the fifth electronic component positioning part 1235 , and the fourth attracting component positioning part 1244 is located above the sixth electronic component positioning part 1236 . Specifically, the positions of the third attracting component positioning portion 1243 and the fifth electronic component positioning portion 1235 are the same in the axial direction, and since generally, the diameter of the attracting component is larger than the overall required radial dimension of the data line in the electronic component, Therefore, the radial dimension of the third attracting component positioning portion 1243 is set to be larger than the radial dimension of the fifth electronic component positioning portion 1235 . Similarly, the arrangement between the fourth attracting component positioning portion 1244 and the sixth electronic component positioning portion 1236 is also applied.

By arranging the electronic component positioning part 123 and the suction component positioning part 124 on the upper side of the surface of the intermediate housing body 110, the positioning and installation of the electronic component and the suction component are more convenient, so that the manipulator does not need to turn over or move during installation. The middle shell can complete the installation of electronic components and suction components, and even if the middle shell needs to be moved during subsequent installation, the bottom plane of the shell body 110 and the setting of the upper positioning structure are more convenient for transportation, and effectively ensure that the installed The components will not fall during the transfer process, which ensures the stability of the assembled components during transfer.

Further, the electronic component positioning part 123 includes an integrated circuit positioning part 1232 , and the integrated circuit positioning part 1232 is used for loading the integrated circuit board 410 .

The length dimension of the integrated circuit positioning part 1232 matches the length of the integrated circuit board 410, so as to realize precise positioning of the integrated circuit board. At the same time, a protruding third electronic positioning part 1233 can also be provided at the integrated circuit positioning part 1232 to further improve the positioning accuracy of the integrated circuit board, and the material of the third electronic positioning part 1233 is a deformable material. After the 410 is installed, the third electronic positioning portion 1233 protruding from the upper surface of the integrated circuit board 410 is melted or pressed flat, so that the protruding part is deformed to realize the fixing of the integrated circuit board 410 .

Further, the distance between the electronic component positioning portion 123 and the intermediate housing body 110 is smaller than the distance between the attracting component positioning portion 124 and the intermediate housing body 110 . It is convenient to assemble the electronic components first, and then assemble the attraction components, so as to realize the overall assembly of the electronic components and the overall assembly of the attraction components, and improve the efficiency of assembly.

Further, the positioning structure 120 also includes an insertion assembly positioning part 125 and a rolling assembly positioning part 126, the insertion assembly positioning part 125 is used for inserting the insertion assembly 700, and the insertion assembly positioning part 125 is arranged on the intermediate housing One end of the body; the rolling assembly positioning part 126 is used for loading the rolling assembly 600, and the rolling assembly positioning part 126 is arranged on the upper side of the intermediate housing body; the rolling assembly positioning part 126 and the intermediate housing The distance between the main bodies 110 is greater than the distance between the attracting assembly positioning portion 124 and the intermediate housing body 110 .

The distance between the rolling assembly positioning part 126 and the intermediate housing body 110 may be the distance between the lowest point or the highest point of the rolling assembly positioning part 126 and the intermediate housing body 110; The distance between the portion 124 and the intermediate housing body 110 may be the distance between the lowest point or the highest point of the attracting assembly positioning portion 124 and the intermediate housing body 110 . That is, when both the rolling assembly positioning portion 126 and the suction assembly positioning portion 124 are referred to the lowest point or the highest point, the distance between the rolling assembly positioning portion 126 and the intermediate housing body 110 is greater than that of the suction assembly positioning portion The distance between 124 and the middle housing body 110 , that is, the lowest point of the rolling assembly positioning portion 126 may be lower than the highest point of the attraction assembly positioning portion 124 , or higher than the highest point of the attraction assembly positioning portion 124 .

The insertion component positioning part 125 is located at the end of the middle housing body far from the first lower housing positioning part 1211 and/or the second lower housing positioning part 1212, including the first insertion component positioning part 1251 and the second insertion component positioning part 1252. The rolling assembly positioning part 126 is provided with at least a runner part positioning part 1261 and a steel wire part positioning part 1262 in sequence along the axial direction of the intermediate housing 100. The runner part positioning part 1261 is used for positioning the runner part, and the steel wire part positioning part Portion 1262 is used to position the wire piece.

By arranging the electronic component positioning part 123, the suction component positioning part 124, and the rolling component positioning part 126 on the upper side of the surface of the intermediate housing body 110, it is more convenient for the positioning and assembly of the electronic component, suction component, and rolling component to be assembled. Installation, so that the manipulator does not need to overturn or move the middle housing during installation to complete the installation of the components to be assembled except the upper housing 200 and the lower housing 300, and even if the upper housing 200 and the lower housing 300 need to be moved The setting of the bottom plane and upper positioning structure of the intermediate shell is also more convenient for transportation, and effectively ensures that the installed components will not fall during the transfer process, ensuring the stability of the assembled components during transfer.

Example 2:

As shown in Figure 4, Embodiment 2 of the present invention provides an endoscope handle, including an upper housing 200, a lower housing 300 and the middle housing 100, the upper housing 200 and the lower housing The bodies 300 are respectively connected to the intermediate housings 100 .

A sealing structure is provided between the lower housing 300 and the middle housing 100, and a sealing structure is also provided between the lower housing 300 and the upper housing 200, so as to realize the sealing inside the endoscope handle and avoid Spraying or splashing during use or storage effectively protects the stability of the internal structure of the endoscope handle, especially effectively protecting the entire electronic component 400 and even the integrated circuit board 410 . The material of the sealing structure is preferably UV curable glue or resin.

Further, as shown in FIG. 5 and FIG. 6, it also includes an electronic assembly 400, an attraction assembly 500, a rolling assembly 600, and an insertion assembly 700, the electronic assembly 400 is detachably arranged on the electronic assembly positioning part 123, and the attraction assembly 500 The rolling assembly 600 is detachably arranged at the positioning part 124 of the attraction assembly, the rolling assembly 600 is detachably arranged at the positioning part 126 of the rolling assembly, and the insertion assembly 700 is detachably arranged at the positioning part 125 of the insertion assembly.

Specifically, the electronic component 400 is integrally installed on the first electronic component positioning part 1231, the integrated circuit positioning part 1232, the third electronic component positioning part 1233, the fourth electronic component positioning part 1234, the fifth electronic component positioning part 1235, the sixth electronic component positioning part The electronic component positioning part 1236 and the seventh electronic component positioning part 1237 . The suction assembly 500 is integrally installed on the first suction assembly positioning part 1241, the second suction assembly positioning part 1242, the third suction assembly positioning part 1243, the fourth suction assembly positioning part 1244, the fifth suction assembly positioning part 1245 and the sixth suction assembly positioning part. Component positioning section 1246. The rolling assembly 600 is installed at the positioning part 126 of the rolling assembly; the insertion assembly 700 is installed at the positioning part 125 of the insertion assembly.

Example 3:

As shown in Figure 7, Figure 8, and Figure 9, Embodiment 3 of the present invention provides a method for using an intermediate housing, including the following steps:

Step S10: Prepare the intermediate housing 100, install the electronic component 400 on the electronic component positioning part 123; install the insertion component 700 on the insertion component positioning part 125;

Step S20: Install the suction assembly 500 on the suction assembly positioning part 124;

Step S30 : Install the rolling assembly 600 on the rolling assembly positioning part 126 .

Specifically, step S10: interference fit the camera button 800 onto the prepared intermediate housing 100; then snap the electronic component 400 into the intermediate housing 100, and protrude from the integrated circuit through the positioning part 1233 of the third electronic component Parts of the board 410 are thermally fused, so as to realize the fixing of the integrated circuit board 410 or the electronic component 400 . Subsequently, the insertion assembly 700 is placed on the above-mentioned intermediate housing 100, and the fixing of the insertion assembly 700 is realized by thermally melting the first insertion assembly positioning part 1251 and the second insertion assembly positioning part 1252; after that, the camera button 800 The wires inserted into the assembly 700 are respectively welded to the integrated circuit board 410 in the electronic assembly 400 to complete the first stage of assembly.

The third electronic component positioning part 1233, the first insertion component positioning part 1251 and the second insertion component positioning part 1252 only need to be soluble, and the specific materials are not limited here, only polypropylene material, polycarbonate material or acrylonitrile - Butadiene-styrene materials are exemplified. The material of the third electronic component positioning portion 1233 , the first insertion component positioning portion 1251 and the second insertion component positioning portion 1252 may be the same as or different from that of the middle housing body 110 .

Step S20: Install the suction assembly 500 on the intermediate housing 100, and then glue the instrument tube in the insertion assembly 700 to the suction assembly 500, completing the second stage of assembly.

Step S30: Install the rolling assembly 600 into the rolling assembly positioning part 126 on the intermediate housing 100, pass the two steel wire ropes inserted into the assembly 700 through the holes in the rolling assembly 600, and fix the steel wire ropes to complete the third stage assembly, the pre-assembled intermediate case 100 is obtained.

Example 4:

As shown in Fig. 4, Fig. 10, Fig. 11, and Fig. 12, Embodiment 4 of the present invention provides a method for assembling an endoscope handle, which includes the following steps:

Step S52: Assemble the lower case 300 from below the pre-installed intermediate case through the lower case positioning part 121, and assemble the upper case 200 from the upper case positioning part 310 provided on the lower case 300 Assemble the upper side of the preassembled intermediate housing described above.

Specifically, the pre-installed intermediate case is loaded into the lower case through the first lower case positioning part 1211, the second lower case positioning part 1212, the third lower case positioning part 1213, and the fourth lower case positioning part 1214. At 300, the first stage of assembly of the endoscope handle is completed. Then use the upper housing positioning part 310 to install the upper housing on the first-stage assembly of the endoscope handle, and at the same time, the upper housing 300 and the lower housing 200 can be connected and/or positioned in a clamping manner, and the upper housing The body positioning part 310 is provided with at least a first upper housing positioning part 311, a second upper housing positioning part 312, and a third upper housing positioning part 313 in sequence along the axial direction of the intermediate housing 100, completing the endoscope handle The first stage of assembly. Finally, the adjusting handle 900 is assembled into the first-stage assembly of the endoscope handle by using the connecting piece, thereby completing the assembly of the entire endoscope handle.

The structure of the intermediate shell provided by the present invention is simple, the structure of the mold for preparing the intermediate shell is simple, the mold is easy to manufacture, and the intermediate shell is also easy to manufacture and realize; at the same time, the subsequent assembly process realizes fully automatic assembly and ensures the stability of assembly and accuracy, greatly improving the assembly efficiency of endoscope handles, thereby improving the production efficiency of endoscopes, and making a breakthrough contribution to the actual production of endoscopes.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims

An intermediate housing (100), used for assembling an endoscope, is characterized in that it comprises an intermediate housing body (110), and a positioning structure (120): the intermediate housing is located between an upper housing and a lower housing ;

The bottom surface of the middle shell body (110) is a plane, and the middle body (10) can be a flat plate structure as a whole;

The positioning structure (120) is arranged on the middle housing body (110);

The positioning structure (120) includes a lower housing positioning portion (121), and the lower housing positioning portion (121) is used for loading the lower housing (300);

The positioning structure (120) also includes an electronic component positioning part (123) and an attracting component positioning part (124), and the electronic component positioning part (123) and the attracting component positioning part (124) are both located in the middle shell The upper side of the body (10).
The intermediate housing (100) according to claim 1, characterized in that, the lower housing positioning portion (121) is disposed through the intermediate housing body (110).
The intermediate housing (100) according to claim 2, characterized in that, the electronic component positioning part (123) includes an integrated circuit positioning part (1232), and the integrated circuit positioning part (1232) is used for the integrated circuit positioning part (1232). The board (410) is loaded.
The intermediate housing (100) according to claim 3, characterized in that, the distance between the electronic component positioning portion (123) and the intermediate housing body (110) is smaller than the attraction component positioning portion ( 124 ) the distance from the intermediate housing body ( 110 ).
The intermediate housing (100) according to claim 4, characterized in that, the positioning structure (120) further comprises an insertion component positioning part (125) and a rolling component positioning part (126), and the insertion component positioning part (125) for the inserting assembly (700), the inserting assembly positioning part (125) is set at one end of the middle housing body (110); the rolling assembly positioning part (126) is for the rolling assembly (600 ) into, the rolling assembly positioning part (126) is arranged on the upper side of the intermediate housing body (110); between the rolling assembly positioning part (126) and the intermediate housing body (110) The distance is greater than the distance between the attracting component positioning portion (124) and the intermediate housing body (110).
An endoscope handle, characterized in that it comprises an upper housing (200), a lower housing (300) and an intermediate housing (100) according to any one of claims 1-5, the upper housing ( 200) and the lower casing (300) are respectively connected with the middle casing (100).
An endoscope handle according to claim 6, characterized in that it further comprises an electronic assembly (400), a suction assembly (500), a rolling assembly (600), an insertion assembly (700), and the electronic assembly (400 ) is detachably arranged on the electronic component positioning part (123), the suction component (500) is detachably set on the suction component positioning part (124), and the rolling component (600) is detachably set on the rolling component positioning part (126) , the insertion component (700) is detachably arranged on the insertion component positioning part (125).
A method for using an intermediate housing, characterized in that it comprises the following steps:

Step S10: Prepare the intermediate housing (100) according to any one of claims 1-5, install the electronic component (400) on the electronic component positioning part (123); install the insertion component (700) on the insertion component positioning part (125);

Step S20: installing the suction component (500) on the suction component positioning part (124);

Step S30: Install the rolling assembly (600) on the rolling assembly positioning part (126).
A kind of assembly method of endoscope handle is characterized in that, comprises the steps:

Step S51: According to the use method of the intermediate housing (100) according to claim 8, a pre-installed intermediate housing is obtained;

Step S52: Assemble the lower shell (300) from below the pre-installed intermediate shell through the lower shell positioning part (121), and assemble the upper shell (200) from the lower shell through the upper shell positioning part (310). Assemble the upper side of the preassembled intermediate housing described above.