Connector structure of medical blood oxygen probe

Abstract

The utility model relates to the technical field of medical instruments, in particular to a joint structure of a medical blood oxygen probe, which can replace the existing structure using a sizing material injection molding inner mold by arranging an assembled structure of a fixed support, a circuit board and a protective cover, and after an assembled product is inspected, a defective product can be repaired or recycled, so that the production efficiency is improved. And the fixing support, the circuit board and the protective cover can be reused, so that the reject ratio and the production cost of products are reduced, outer film injection molding is directly carried out on qualified products, the reliability of the structure is ensured, and the cost can be effectively saved through the structure of a single-layer film.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, relate to a joint structure of medical blood oxygen probe. BACKGROUND

[0002] Medical blood oxygen probe is a kind of medical instrument for determining the oxygen concentration in human blood, i.e., blood oxygen saturation, which is usually used in conjunction with a monitor, and is of great importance to the monitoring of surgical operations or critically ill patients.

[0003] At present, the commonly used medical blood oxygen probe on the market is connected with a cable, and the other end of the cable is connected with a connector for plugging into equipment. The connector is generally composed of a metal terminal, electronic components, inner layer glue and outer layer glue, etc. Most of the connectors are formed by first installing the metal terminal and electronic components, then fixedly connecting the metal terminal and the cable by welding, and then putting into a plastic mold to form an inner layer film by injection molding to ensure that the connector and the cable have sufficient pulling force. After passing the inspection, the outer layer film is formed by injection molding again.

[0004] However, the structure of the above-mentioned connector needs to be formed into a double-layer film covered integrated structure by twice injection molding, which is time-consuming and laborious. The covering of the inner film also affects the repair or maintenance of the product, resulting in a high failure rate. Moreover, the production cost of the double-layer film structure is relatively high. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a joint structure of medical blood oxygen probe to solve the technical problems of the existing medical blood oxygen probe connector, which is formed into a double-layer film covered integrated structure by twice injection molding, is time-consuming and laborious, affects the repair or recycling of the product, and results in a high failure rate.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0007] A joint structure of medical blood oxygen probe, comprising a fixed support and a plurality of terminals inserted into the fixed support. The bottom surface of the fixed support is vertically connected with a circuit board. The terminals are connected with the front end of the circuit board. The end of the circuit board is connected with a cable. The fixed support and the circuit board are connected with a protective cover, so that the fixed support and the circuit board are respectively covered on the side surface and the bottom surface of the protective cover. The fixed support, the circuit board and the protective cover are assembled and covered with an injection molded outer film.

[0008] The utility model is further provided with: the fixed support is provided with a plurality of insertion holes, and the terminals are inserted into the insertion holes.

[0009] The utility model further sets up: the terminal includes connecting section and with connecting section fixed connection's plug -in section, connecting section and plug -in section connection form L shape structure, correspondingly, the circuit board is provided with a plurality of connecting holes, connecting section is welded in the connecting hole, and the plug -in section is inserted in the jack.

[0010] The utility model further sets up: the fixed bolster bottom surface is provided with the insert column, the insert column is provided with the fixed hole corresponding the circuit board below, the insert column inserts the fixed hole, to make the fixed bolster and the circuit board clamping.

[0011] The utility model further sets up: the both sides of fixed bolster are provided with the limit slot and are provided with the stopper above the limit slot, the front end both sides inner wall of protection cover is provided with the buckle, the buckle is embedded in the limit slot, and the buckle is pasted with the stopper, to make the fixed bolster with protection cover clamping.

[0012] The utility model further sets up: the circuit board is provided with the positioning hole away from one end of fixed bolster, the bottom surface of protection cover is provided with the positioning column, and the positioning column inserts the positioning hole, to make the circuit board and protection cover positioning installation.

[0013] The utility model further sets up: the bottom surface both sides edge of protection cover is provided with the positioning rib, and the circuit board side surface is pasted with the positioning rib, to make the circuit board and protection cover positioning cover.

[0014] The utility model further sets up: protection cover is provided with the fixed line slot away from one end of terminal, and the fixed line slot contains the copper ring, and the copper ring is used for fixed cable.

[0015] The utility model further sets up: protection cover is provided with the wire clamping groove close to the end of fixed line slot, and the cable is contained in the wire clamping groove.

[0016] The utility model further sets up: the end of protection cover still is provided with two balance columns, and two balance columns are symmetrically set up in the both sides of wire clamping groove.

[0017] Compared with the prior art, the present application has the beneficial effects that: the utility model discloses through the assembly type structure of fixed bolster, circuit board and protection cover, can replace the structure of the existing use of glue injection molding inner mold, after the product is assembled and is inspected, the defective product can be repaired or recycled, and the fixed bolster, the circuit board and the protection can be used twice, thereby reducing the defective rate and production cost of the product, the direct outer film injection molding of the inspection qualified, guarantee the reliability of the structure, and the structure of single layer film can effectively save the cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0019] Figure 1 is the overall structure schematic diagram of the utility model;

[0020] Figure 2 is the assembly structure schematic diagram of the utility model before injection molding outer membrane;

[0021] Figure 3 is the assembly structure side view of the fixed support, terminal and circuit board in the utility model;

[0022] Figure 4 is the assembly structure top view of the fixed support, terminal and circuit board in the utility model;

[0023] Figure 5 is the assembly structure bottom view of the fixed support, terminal and circuit board in the utility model;

[0024] Figure 6 is the assembly structure front view of the fixed support, terminal and circuit board in the utility model;

[0025] Figure 7 is the structure schematic diagram of the terminal in the utility model;

[0026] Figure 8 is the structure schematic diagram of the protective cover in the utility model.

[0027] The label details involved in the above drawings are as follows:

[0028] 1-fixed support, 11-jack, 12-insertion column, 13-limiting groove, 14-stop block;

[0029] 2-terminal, 21-connection section, 22-plug-in section;

[0030] 3-circuit board, 31-connection hole, 32-fixing hole, 33-positioning hole;

[0031] 4-cable;

[0032] 5-protective cover, 51-buckle, 52-positioning column, 53-positioning rib, 54-wiring slot, 55-copper ring, 56-cable slot, 57-balance column;

[0033] 6-outer membrane. DETAILED DESCRIPTION

[0034] In the description of the present application, the term "a plurality of" refers to two or more (including two). The terms "mounting", "connecting", "connecting" and the like should be broadly understood, for example: "connecting" can be fixed connection, or detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. 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.

[0035] In the description of the present application, the technical terms "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the embodiments of the present application.

[0036] In order to more clearly understand the above-mentioned purposes, technical solutions and advantages of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and detailed understanding of how to solve the problems raised in the above-mentioned background art.

[0037] As shown in Figures 1 to 8 A connector structure of a medical blood oxygen probe includes a fixed support 1 and a plurality of terminals 2 inserted into the fixed support 1. The bottom surface of the fixed support 1 is vertically clamped with a circuit board 3. The terminals 2 are connected with the front end of the circuit board 3. The end of the circuit board 3 is connected with a cable 4. The fixed support 1 and the circuit board 3 are clamped with a protective cover 5, so that the fixed support 1 and the circuit board 3 are respectively covered on the side surface and the bottom surface of the protective cover 5. The fixed support 1, the circuit board 3 and the protective cover 5 are assembled and coated with an injection molded outer membrane 6.

[0038] Specifically, but not only limited to, the terminal 2 is provided with 9, and the terminal 2 is formed by metal stamping, the terminal 2, the fixed support 1 and the circuit board 3 form a Z-shaped structure, first, the terminal 2 is fixedly inserted into the fixed support 1 by using the structure of the terminal 2 and the fixed support 1 integrally injection molding, then the terminal 2 and the circuit board 3 are automatically welded together, at this time the fixed support 1 and the circuit board 3 can be fixedly connected by the plug-in mode, so that the fixed support 1 is arranged on the upper surface of the circuit board 3, and the processed cable 4 and the circuit board 3 with the welded terminal 2 are automatically welded together, so that the terminal 2 and the cable 4 are welded on both ends of the circuit board 3 respectively, after the connection of the terminal 2, the fixed support 1 and the circuit board 3, the assembly structure of the circuit board 3 and the fixed support 1 is clamped and fixed with the protective cover 5, so that the fixed support 1, the circuit board 3 and the protective cover 5 enclose a cavity, the cavity can protect the electronic components such as resistors on the circuit board 3 and the accommodation of the terminal 2, after assembly, inspection is carried out, and the qualified products can be directly injection molded to form the outer membrane 6. Compared with the prior art, the inner mold injection process is saved, if the inspection is unqualified, the subsequent steps can be carried out after repair, of course, the fixed support 1, the circuit board 3 and the protective cover 5 can also be recycled for secondary recycling.

[0039] Through the above scheme, the structure of the joint is set as an assembly structure of the fixed support 1, the circuit board 3 and the protective cover 5 of the integrated mounting terminal 2, which replaces the structure of the inner mold injection of the adhesive material in the prior art, optimizes the product structure, ensures the reliability and stability of the product, and improves the production efficiency by using the assembly type protective cover 5 structure of the joint. After the protective cover 5 is assembled, the unqualified products can be repaired or recycled, the product failure rate is effectively reduced, the product qualification rate is improved, and the production cost is saved.

[0040] As shown in Figures 3 to 6 , as an improved specific embodiment, the fixed support 1 is provided with a plurality of insertion holes 11, and the terminal 2 is inserted into the insertion hole 11. Specifically, the plurality of insertion holes 11 are arranged in two rows in upper and lower positions, and there are 9 in total. The insertion hole 11 is a circular hole, the front end of the terminal 2 penetrates and is protruded relative to the fixed support 1, and the fixed support 1 and the terminal 2 can be integrally injection molded.

[0041] As shown in Figure 3 , Figure 4 , and Figure 7As shown, as an improved embodiment, the terminal 2 comprises a connecting segment 21 and a plug-in segment 22 fixedly connected with the connecting segment 21, the connecting segment 21 and the plug-in segment 22 are connected to form an L-shaped structure, correspondingly, the circuit board 3 is provided with a plurality of connecting holes 31, the connecting segment 21 is welded to the connecting hole 31, and the plug-in segment 22 is inserted into the plug hole 11. Specifically, the connecting segment 21 and the plug-in segment 22 are perpendicular, and the connecting segment 21 and the plug-in segment 22 are connected by a circular arc. The connecting hole 31 is correspondingly provided with nine connecting holes, and the terminal 2 inserted into the plug hole 11 is distributed staggered in two rows, which facilitates the arrangement of the connecting segment 21 when welded to the circuit board 3, and can fix and connect the terminal 2 and the circuit board 3, thereby ensuring the stability of the structure.

[0042] As shown in Figure 3 and Figure 5 As an improved embodiment, the bottom surface of the fixed support 1 is provided with an insertion column 12, the insertion column 12 is provided with a fixing hole 32 corresponding to the circuit board 3 below, the insertion column 12 is inserted into the fixing hole 32, so that the fixed support 1 and the circuit board 3 are clamped. Specifically, the insertion column 12 is provided with two insertion columns, which are distributed on the bottom surface of the fixed support 1 near the two side edges. Similarly, the fixing hole 32 is also provided with two fixing holes, and the structure of the insertion column 12 and the fixing hole 32 is corresponding. The insertion column 12 can adopt a threaded structure, so that the insertion column 12 is screwed on the bottom surface of the fixed support 1 after passing through the fixing hole 32, realizing the detachable connection of the fixed support 1 and the circuit board 3, which is conducive to subsequent maintenance or recycling; or the insertion column 12 can be provided with an annular groove corresponding to the part of the circuit board 3, and the annular groove can be provided on the bottom surface of the fixed support 1, so as to ensure that the fixed support 1 and the circuit board 3 are clamped after being closely attached, thereby ensuring the stability of the structure.

[0043] As shown in Figure 2 , Figure 6 and Figure 8 As an improved embodiment, the two side surfaces of the fixed support 1 are provided with a limiting groove 13 and a stop block 14 arranged above the limiting groove 13, the front end of the protective cover 5 is provided with a buckle 51 on the inner wall of the two sides, the buckle 51 is embedded in the limiting groove 13, and the buckle 51 is attached to the stop block 14, so that the fixed support 1 and the protective cover 5 are clamped. Specifically, the limiting groove 13 is used for accommodating the buckle 51, and the top surface of the stop block 14 has an inclined surface downward, which facilitates the insertion of the buckle 51. The buckle 51 protrudes and is perpendicular to the inner wall of the two sides of the protective cover 5. The limiting groove 13 and the buckle 51 have the same setting height. When the protective cover 5 is installed, the front end of the protective cover 5 corresponds to the fixed support 1, and the assembled fixed support 1 structure is covered from top to bottom. The buckle 51 enters the limiting groove 13 along the inclined surface of the stop block 14, and the two buckles 51 clamp the fixed support 1, and the buckle 51 and the stop block 14 are attached and contacted, thereby realizing the rapid installation of the fixed support 1 and the protective cover 5.

[0044] AsFigure 2 、 Figure 4 、 Figure 5 and Figure 8 As an improved specific embodiment, the circuit board 3 is provided with positioning holes 33 at one end away from the fixed support 1, and the bottom surface of the protective cover 5 is provided with positioning columns 52, which are inserted into the positioning holes 33 to position and install the circuit board 3 and the protective cover 5. Specifically, the positioning holes 33 are two and circular, and the positioning holes 33 and the fixing holes 32 are symmetrical, so that the two positioning holes 33 are arranged at the two corners of the circuit board 3 close to the cable, and the positioning columns 52 extend along and protrude from the protective cover 5. When the protective cover 5 is installed, the fixed support 1 encloses the side surface of the protective cover 5, and the circuit board 3 is arranged above the protective cover 5. First, the positioning columns 52 are inserted into the positioning holes 33 to realize accurate positioning of the protective cover 5 and the circuit board 3, thereby assisting positioning and installation of the fixed support 1 and the protective cover 5.

[0045] As shown in Figure 2 and Figure 8 As an improved specific embodiment, the bottom surface of the protective cover 5 is provided with positioning ribs 53 at the two side edges, and the side surface of the circuit board 3 is attached to the positioning ribs 53 to position and cover the circuit board 3 and the protective cover 5. Specifically, the positioning ribs 53 protrude from the opposite side surfaces and are arranged at part of the side edge, thereby forming a concave-convex structure of the side edge. Therefore, the side surface of the circuit board 3 is also arranged as a corresponding concave-convex structure, so that the two side edges of the circuit board 3 and the protective cover 5 can be embedded in each other. After the circuit board 3 is covered on the protective cover 5, the circuit board 3 and the protective cover 5 can be prevented from being offset. At the same time, when the protective cover 5 and the fixed support 1 are installed, the positioning holes 33 and the positioning columns 52 assist the positioning and installation of the circuit board 3, the fixed support 1, and the protective cover 5.

[0046] As shown in Figure 2 and Figure 8 As an improved specific embodiment, the protective cover 5 is provided with a wire fixing groove 54 at one end away from the terminal 2, and the wire fixing groove 54 is internally provided with a copper ring 55 for fixing the cable 4. Specifically, after the processed cable 4 is welded to the circuit board 3, the copper ring 55 is used to buckle the part of the cable 4 close to the circuit board 3 in the wire fixing groove 54 of the protective cover 5, so as to ensure the pulling force of the cable 4 and avoid breaking the welding part of the cable 4 and the circuit board 3 during detection.

[0047] As shown in Figure 2 and Figure 8As shown, as an improved embodiment, the protective cover 5 is provided with a wire clamping groove 56 near the end of the wire fixing groove 54, and the cable 4 is accommodated in the wire clamping groove 56. Specifically, the wire clamping groove 56 and the wire fixing groove 54 are arranged in a straight line, the wire clamping groove 56 can clamp the cable 4, further ensure the pulling force of the cable 4, and the cable 4 is sequentially fixed on the circuit board 3, the wire fixing groove 54 and the wire clamping groove 56, so as to assist the copper ring 55 to position and fix the cable 4 in the wire fixing groove 54.

[0048] As shown, Figure 8 As shown, as an improved embodiment, the protective cover 5 is provided with two balance columns 57, which are symmetrically arranged on both sides of the wire clamping groove 56. The balance column 57 can ensure the balanced placement of the anti-skid cover, avoid the front and rear inclination of the protective cover 5, assist the installation of the assembled fixing support 1 and the protective cover 5, and keep the insertion column 12, the positioning column 52 and the balance column 57 in the same horizontal plane after the installation of the protective cover 5, so as to facilitate the placement of the assembled protective cover 5 structure.

[0049] The utility model discloses the protective cover 5 is installed on the circuit board 3, can protect the electronic component on the circuit board 3, and the space between the inside of protective cover 5 and the electronic component on the circuit board 3 is kept, prevents the damage to electronic component when in the automation installation.

[0050] The installation steps are as follows: firstly, the metal terminal 2 is integrally formed with the fixing support 1 to form a 9Pin connector structure, the integrated fixing support 1 and terminal 2 are put into the automatic equipment, the terminal 2 and the circuit board 3 are welded together through automatic welding, the processed cable 4 is also put into the automatic equipment, the terminal 2 and the circuit board 3 are welded together through automatic welding, after welding, the copper ring 55 is automatically crimped on the outer skin end of the cable 4 through the automatic equipment, then the protective cover 5 is also installed on the circuit board 3 and the fixing support 1 through the automatic equipment, the copper ring 55 on the cable 4 is fixed in the wire fixing groove 54 in the protective cover 5, and the cable 4 is clamped in the wire clamping groove 56 at the end of the protective cover 5, so as to ensure the pulling force of the cable 4, after assembly, the continuity test is carried out, and after the test is qualified, the outer film 6 can be directly injection molded, the injection molding process of the inner mold is saved, and the unqualified can be repaired, and then the subsequent steps are carried out, or when the repair is impossible, the protective cover 5 and other components are recycled for secondary use.

[0051] It should be pointed out that: the above is only the preferred embodiments of the present application, the scope of protection of the present application is not limited to the above examples, all technical solutions under the idea of the present application belong to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, without departing from the principles of the present application under the premise of a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A joint structure of a medical blood oxygen probe, characterized by comprising: The utility model provides a kind of terminal fixed support, including fixed support and multiple terminals inserted in the fixed support, the bottom surface of the fixed support is vertically connected with circuit board, the terminal is connected with the front end of the circuit board, the end of the circuit board is connected with cable, the fixed support is connected with the circuit board cover, so that the fixed support and the circuit board are covered in the side surface and the bottom surface of the cover respectively, the fixed support, the circuit board and the cover are assembled structure and are covered with injection molding outer membrane.

2. The connector structure of a medical blood oxygen probe according to claim 1, wherein The fixed support is provided with multiple insertion holes, and the terminals are inserted into the insertion holes.

3. The connector structure of a medical blood oxygen probe according to claim 2, wherein The terminal includes a connecting segment and a plug-in segment fixedly connected with the connecting segment, the connecting segment and the plug-in segment are connected to form an L-shaped structure, and correspondingly, the circuit board is provided with multiple connecting holes, the connecting segment is welded to the connecting holes, and the plug-in segment is inserted into the insertion holes.

4. The connector structure of a medical blood oxygen probe according to claim 3, wherein The bottom surface of the fixed support is provided with an insertion column, the insertion column is provided with a fixing hole corresponding to the circuit board below, the insertion column is inserted into the fixing hole, so that the fixed support and the circuit board are connected.

5. The connector structure of a medical blood oxygen probe according to claim 4, wherein The two side surfaces of the fixed support are provided with limiting grooves and stop blocks arranged above the limiting grooves, the inner walls of the front ends of the cover are provided with buckles, the buckles are embedded in the limiting grooves, the buckles are attached to the stop blocks, so that the fixed support and the cover are connected.

6. The connector structure of a medical blood oxygen probe according to claim 5, wherein The end of the circuit board away from the fixed support is provided with a positioning hole, the bottom surface of the cover is provided with a positioning column, the positioning column is inserted into the positioning hole, so that the circuit board and the cover are positioned and installed.

7. The connector structure of a medical blood oxygen probe according to claim 6, wherein The bottom surface of the cover is provided with positioning ribs on both side edges, the side surface of the circuit board is attached to the positioning ribs, so that the circuit board and the cover are positioned and covered.

8. The connector structure of a medical blood oxygen probe according to claim 7, wherein The end of the cover away from the terminal is provided with a wire positioning groove, the wire positioning groove contains a copper ring, and the copper ring is used to fix the cable.

9. The connector structure of a medical blood oxygen probe according to claim 8, wherein The end of the cover close to the wire positioning groove is provided with a wire clamping groove, and the cable is contained in the wire clamping groove.

10. The connector structure of a medical blood oxygen probe according to claim 9, wherein The end of the cover is also provided with two balance columns, and the two balance columns are symmetrically arranged on both sides of the wire clamping groove.

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