Joint structure of oxyhemoglobin saturation sensor

Abstract

The utility model discloses a connector structure of an oxyhemoglobin saturation sensor, and relates to the technical field of medical instruments, the structure comprises a connector circuit structure, the connector circuit structure comprises a circuit board, and a plurality of components are arranged on the circuit board; the terminal fixing bracket is vertically arranged on one side of the circuit board; the terminal plug structure is arranged on one side of the terminal fixing bracket; the at least one group of first positioning grooves are symmetrically formed in the circuit board; the protective cover is provided with a protective cover head opening, a first fixed cavity, a second fixed cavity and a protective cover tail opening; a first positioning column matched with the first positioning groove and a first positioning rib matched with the inner wall outline of the first fixing cavity to fix the circuit board are arranged in the first fixing cavity; the head opening of the protective cover is provided with a first buckle used for fixing the terminal fixing support. According to the application, the circuit structure is protected and the cable is fixed through the protective cover with a specific structure, so that effective protection is provided in daily use, and actual use requirements are met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a joint structure of a blood oxygen saturation sensor. BACKGROUND

[0002] The DB9 joint on the market is installed with a metal terminal, welded with a connecting cable, and then put into a plastic mold for inner film injection molding of the DB9 joint to ensure that the DB9 joint and the cable have sufficient pulling force. After the inner mold injection molding is completed and the inspection is qualified, the outer soft glue injection molding is carried out to ensure the appearance of the entire DB9 joint. Such a forming process not only has a complex injection molding process and a long time-consuming, but also cannot be automatically produced, and the entire forming process has a high failure rate and cannot be repaired, so the entire cost is relatively high.

[0003] Therefore, in order to meet the actual needs, a joint structure of a blood oxygen saturation sensor is provided. SUMMARY

[0004] In view of the defects in the prior art, the purpose of the present application is to provide a joint structure of a blood oxygen saturation sensor, which protects the circuit structure by a protective cover with a specific structure, fixes the cable, and provides effective protection in daily use to meet the actual use needs.

[0005] To achieve the above purpose, the technical solution adopted by the present application is:

[0006] The present application provides a joint structure of a blood oxygen saturation sensor, which comprises:

[0007] A joint circuit structure, which comprises:

[0008] A circuit board, which is provided with a plurality of components and elements;

[0009] A terminal fixing bracket erected on one side of the circuit board;

[0010] A terminal plug structure arranged on one side of the terminal fixing bracket, wherein the terminal plug structure and the components and elements of the circuit board are located on both sides of the terminal fixing bracket;

[0011] At least one set of first positioning grooves symmetrically arranged on the circuit board;

[0012] A protective cover, which is provided with a protective cover head opening, a first fixing cavity, a second fixing cavity, and a protective cover tail opening, wherein the inner wall profile of the first fixing cavity matches the outer edge profile of the circuit board, and the protective cover head opening, the first fixing cavity, the second fixing cavity, and the protective cover tail opening are arranged in communication;

[0013] The first fixed cavity is provided with a first positioning column matched with the first positioning groove and a first positioning rib matched with the inner wall contour of the first fixed cavity to fix the circuit board;

[0014] The head opening of the protective cover is provided with a first buckle for fixing the terminal fixing support;

[0015] The cable connected with the circuit board at one end is located in the second fixed cavity, and the connecting end of the cable with the circuit board is provided with a crimped copper ring, and the other end of the cable extends out of the tail opening of the protective cover;

[0016] The connection between the terminal plug structure and the terminal fixing support is located in the first fixed cavity, and the free end of the terminal plug structure extends out of the head opening of the protective cover.

[0017] On the basis of the above technical scheme, a group of the side edges of the fixing support are provided with a buckle structure, and the length direction of the buckle structure is perpendicular to the circuit board;

[0018] The buckle structure is matched with the first buckle.

[0019] On the basis of the above technical scheme, the second fixed cavity is provided with a fixed copper ring mounting buckle slot for fixing the crimped copper ring.

[0020] On the basis of the above technical scheme, the tail opening of the protective cover is provided with a cable positioning groove for fixing the cable.

[0021] On the basis of the above technical scheme, the protective cover is provided with an outer mold injection layer outside.

[0022] On the basis of the above technical scheme, the terminal plug structure is a 9Pin plug structure.

[0023] Compared with the prior art, the application has the following advantages:

[0024] The protective cover with a specific structure is used to protect the circuit structure and fix the cable, so as to provide effective protection in daily use and meet the actual use requirements. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0026] Fig. 1A structure diagram of a joint circuit structure in a joint structure of an oximetry sensor according to an embodiment of the present application;

[0027] Fig. 2 A structure diagram of a protective cover in a joint structure of an oximetry sensor according to an embodiment of the present application;

[0028] Fig. 3 An internal structure diagram of a joint structure of an oximetry sensor according to an embodiment of the present application;

[0029] Fig. 4 A whole structure diagram of a joint structure of an oximetry sensor according to an embodiment of the present application;

[0030] In the figure:

[0031] 0, joint circuit structure; 1, terminal plug structure; 2, terminal fixing support; 3, circuit board; 4, component; 5, first positioning groove; 6, buckle structure; 7, protective cover; 8, first positioning column; 9, fixed copper ring mounting clamping groove; 10, cable positioning groove; 11, first positioning rib; 12, first buckle; 13, crimping copper ring; 14, cable; A, protective cover head opening; B, first fixed cavity; C, second fixed cavity; D, protective cover tail opening; E, outer mold injection layer. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0033] The embodiments of the present application will be further described in detail below in combination with the drawings.

[0034] The embodiments of the present application provide a joint structure of an oximetry sensor. The protective cover with a specific structure is used to protect the circuit structure and fix the cable, so as to provide effective protection in daily use and meet the actual use requirements.

[0035] In order to achieve the above technical effects, the general idea of the present application is as follows:

[0036] A joint structure of an oximetry sensor, comprising:

[0037] A joint circuit structure 0, comprising:

[0038] A circuit board 3, a plurality of components 4 are arranged on the circuit board 3;

[0039] A terminal fixing support 2 is erected on one side of the circuit board 3;

[0040] A terminal plug structure 1 is arranged on one side of the terminal fixing support 2, the terminal plug structure 1 and the components 4 of the circuit board 3 are arranged on both sides of the terminal fixing support 2;

[0041] At least one set of first positioning grooves 5 is symmetrically arranged on the circuit board 3;

[0042] A protective cover 7 is configured with a protective cover head opening A, a first fixing cavity B, a second fixing cavity C and a protective cover tail opening D, the inner wall profile of the first fixing cavity B matches the outer edge profile of the circuit board 3, the protective cover head opening A, the first fixing cavity B, the second fixing cavity C and the protective cover tail opening D are arranged in communication;

[0043] The first fixing cavity B is provided with a first positioning column 8 matched with the first positioning groove 5 and a first positioning rib 11 matched with the inner wall profile of the first fixing cavity B to fix the circuit board 3;

[0044] The protective cover head opening A is provided with a first buckle 12 for fixing the terminal fixing support 2;

[0045] The cable 14 connected to the circuit board 3 is arranged in the second fixing cavity C, the connection end of the cable 14 and the circuit board 3 is provided with a crimping copper ring 13, the other end of the cable 14 extends out of the protective cover tail opening D;

[0046] The connection between the terminal plug structure 1 and the terminal fixing support 2 is arranged in the first fixing cavity B, and the free end of the terminal plug structure 1 extends out of the protective cover head opening A.

[0047] The embodiments of the present application are further described in detail below with reference to the accompanying drawings.

[0048] Referring to Figs. 1-4 The embodiments of the present application provide a connector structure of a blood oxygen saturation sensor, which comprises:

[0049] A connector circuit structure 0 comprises:

[0050] A circuit board 3, a plurality of components 4 are arranged on the circuit board 3;

[0051] A terminal fixing support 2 is erected on one side of the circuit board 3;

[0052] The terminal plug structure 1 is arranged on one side of the terminal fixing support 2, and the terminal plug structure 1 and the component 4 of the circuit board 3 are arranged on both sides of the terminal fixing support 2.

[0053] At least one set of first positioning grooves 5 are symmetrically arranged on the circuit board 3.

[0054] The protective cover 7 is provided with a protective cover head opening A, a first fixing cavity B, a second fixing cavity C and a protective cover tail opening D, the inner wall profile of the first fixing cavity B matches the outer edge profile of the circuit board 3, and the protective cover head opening A, the first fixing cavity B, the second fixing cavity C and the protective cover tail opening D are arranged in communication.

[0055] The first fixing cavity B is provided with a first positioning column 8 matched with the first positioning groove 5 and a first positioning rib 11 matched with the inner wall profile of the first fixing cavity B to fix the circuit board 3.

[0056] The protective cover head opening A is provided with a first buckle 12 for fixing the terminal fixing support 2.

[0057] The cable 14 connected to the circuit board 3 is arranged in the second fixing cavity C, and the connection end of the cable 14 and the circuit board 3 is provided with a crimped copper ring 13, and the other end of the cable 14 extends out of the protective cover tail opening D.

[0058] The connection between the terminal plug structure 1 and the terminal fixing support 2 is located in the first fixing cavity B, and the free end of the terminal plug structure 1 extends out of the protective cover head opening A.

[0059] The protective cover of the embodiment protects the circuit structure and fixes the cable, so as to provide effective protection in daily use and meet the actual use requirements.

[0060] Further, a set of the fixing supports 2 arranged on the side edges are provided with a buckle structure 6, and the length direction of the buckle structure 6 is perpendicular to the circuit board 3.

[0061] The buckle structure 6 is matched with the first buckle 12.

[0062] Further, the second fixing cavity C is provided with a fixed copper ring mounting buckle groove 9 for fixing the crimped copper ring 13.

[0063] Further, the protective cover tail opening D is provided with a cable positioning groove 10 for fixing the cable 14.

[0064] Further, the protective cover 7 is provided with an outer mold injection layer E.

[0065] Further, the terminal plug structure 1 is a 9Pin plug structure.

[0066] Based on the technical scheme of the embodiment of the application, the specific conditions are as follows:

[0067] The structure of the DB9 connector is optimized, a protective cover 7 is added to the structure of the circuit board 3 to protect the components 4 on the circuit board 3, and the cable 14 is fixed to increase the pulling force of the product;

[0068] Therefore, a first positioning groove 5 is added to the circuit board 3, and the components 4 on the circuit board 3 are regularized;

[0069] On the structure of the protective cover 7, a first positioning column 8 is designed to position the circuit board 3, then the four walls of the protective cover 7 fix the circuit board 3, and a cable positioning groove 10 is added to the end of the protective cover 7 to position the cable 14 on the circuit board 3, and a copper ring mounting slot 9 is fixed to position and fix the crimping copper ring 13 fixed on the cable 14, so as to increase the pulling force of the cable 14;

[0070] At the same time, a certain space is reserved between the inside of the protective cover 7 and the components 4 on the circuit board 3 to prevent damage to the components 4 on the circuit board 3 during automatic installation.

[0071] The specific installation steps are as follows:

[0072] First, the terminal plug structure 1 adopts a 9Pin plug structure with terminals and terminal fixing supports 2 integrally formed, which is placed in an automatic device, welded with the circuit board 3, and the processed cable 14 is also placed in the automatic device, welded with the circuit board 3 after welding the metal terminals, and the joint after welding the cable 14 is automatically crimped by the automatic device to form a crimping copper ring 13, then the protective cover 7 is also installed on the circuit board 3 by the automatic device to protect the resistors and other components on the circuit board 3, and the crimping copper ring 13 on the cable 14 is fixed in the cable positioning groove 10 on the protective cover 7 to ensure the pulling force of the cable 14, after assembly, the continuity test is performed, and if the test is qualified, the product can be directly molded, the inner mold injection process is saved, and if the test is unqualified, the product can be repaired and the subsequent steps can be performed.

[0073] As described above, the technical scheme of the embodiment of the application replaces the structure of the original injection inner mold glue, and optimizes the product structure;

[0074] The inner mold injection is replaced to realize automatic operation and provide production efficiency;

[0075] The product failure rate can be effectively reduced, thereby improving the product qualification rate.

[0076] In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0077] It should be noted that in the present application, relational terms such as "first" and "second" and the like are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the sentence "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0078] The above is only a specific embodiment of the present application, which enables those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features applied herein.

Claims

1. A connector structure of a blood oxygen saturation sensor, characterized by, The joint structure comprises: A joint circuit structure (0) comprising: A circuit board (3) on which a plurality of components (4) are arranged; A terminal fixing support (2) erected on one side of the circuit board (3); A terminal plug structure (1) arranged on one side of the terminal fixing support (2), the terminal plug structure (1) and the components (4) of the circuit board (3) are located on both sides of the terminal fixing support (2); At least one set of first positioning grooves (5) symmetrically arranged on the circuit board (3); A protective cover (7) provided with a protective cover head opening (A), a first fixing cavity (B), a second fixing cavity (C) and a protective cover tail opening (D), the inner wall contour of the first fixing cavity (B) matches the outer edge contour of the circuit board (3), the protective cover head opening (A), the first fixing cavity (B), the second fixing cavity (C) and the protective cover tail opening (D) are arranged in communication; The first fixing cavity (B) is provided with a first positioning column (8) matched with the first positioning groove (5) and a first positioning rib (11) matched with the inner wall contour of the first fixing cavity (B) to fix the circuit board (3); The protective cover head opening (A) is provided with a first buckle (12) for fixing the terminal fixing support (2); A cable (14) connected to the circuit board (3) in the second fixing cavity (C), the connection end of the cable (14) and the circuit board (3) is provided with a crimped copper ring (13), the other end of the cable (14) extends out of the protective cover tail opening (D); The connection between the terminal plug structure (1) and the terminal fixing support (2) is located in the first fixing cavity (B), and the free end of the terminal plug structure (1) extends out of the protective cover head opening (A).

2. The joint structure of the blood oxygen saturation sensor according to claim 1, wherein: A set of side edges of the fixing support (2) are provided with a buckle structure (6), the length direction of the buckle structure (6) is perpendicular to the circuit board (3); The buckle structure (6) is matched with the first buckle (12).

3. The joint structure of the blood oxygen saturation sensor according to claim 1, wherein: The second fixing cavity (C) is provided with a fixed copper ring mounting buckle groove (9) for fixing the crimped copper ring (13).

4. The joint structure of the blood oxygen saturation sensor according to claim 1, wherein: The protective cover tail opening (D) is provided with a cable positioning groove (10) for fixing the cable (14).

5. The joint structure of the blood oxygen saturation sensor according to claim 1, wherein: The protective cover (7) is provided with an outer mold injection layer outside.

6. The joint structure of the blood oxygen saturation sensor according to claim 1, wherein: The terminal plug structure (1) is a 9Pin plug structure.

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