CN221466905U

CN221466905U - Medical power connector

Info

Publication number: CN221466905U
Application number: CN202420119626.3U
Authority: CN
Inventors: 周威
Original assignee: Dongguan Xinlong Technology Co ltd
Current assignee: Dongguan Xinlong Technology Co ltd
Priority date: 2024-01-17
Filing date: 2024-01-17
Publication date: 2024-08-02
Anticipated expiration: 2034-01-17

Abstract

The utility model discloses a medical power connector, and relates to the technical field of connectors. The medical power connector comprises an insulating main body, wherein connecting parts are arranged on two sides of the insulating main body, each connecting part comprises a fixed plate and a rotating plate, the fixed plate is fixedly connected with the insulating main body, the front end of each fixed plate is provided with a in-place baffle, the rotating plate is rotationally connected with the outer side of the fixed plate through a rotating shaft, the middle part of each rotating plate is provided with a connecting hole, and the outer side of the bottom of each connecting hole is concentrically provided with an elastic convex ring for being buckled into the upper part of a screw hole of a shell; the positive metal conductor is inserted in the middle of the cavity of the insulating main body; the negative electrode metal conductor is inserted into the cavity of the insulating main body and is positioned at one side of the positive electrode metal conductor; the plastic rear cover covers the tail end of the insulating main body and is provided with a through hole for the positive electrode pin and the negative electrode pin to penetrate out; the waterproof sealant covers the outer surface of the plastic rear cover; the bonding wires are provided with two groups, the two groups of bonding wires are respectively connected with the positive electrode pin and the negative electrode pin, and insulating glue is arranged at the connecting position. The medical power connector can prevent water inflow and is simple and convenient to install.

Description

Medical power connector

Technical Field

The utility model relates to the technical field of power connectors, in particular to a medical power connector.

Background

The power connector is an important tie for connecting a power supply and equipment, provides electric energy for the equipment, enables the equipment to normally operate, and is an indispensable component of electronic products and equipment. In the medical field, there is a high demand for a power connector for medical use, wherein the waterproof performance of the power connector is an important indicator of the connector, and in the conventional power connector: the joint of the power supply connecting hole and the shell is not waterproof, so that water cannot be prevented from entering the power supply connector, and once water enters the power supply connector from the connecting hole, the water can enter the circuit board of the medical equipment along the gap of the bottom surface or the side surface of the shell, so that the medical equipment is damaged; in addition, since the power connector needs to be fixed on the housing of the medical device, the connection hole of the power connector is usually manually aligned with the screw hole at the mounting position of the housing, so that the power connector is prevented from moving, and then the power connector can be fixed by the screw, so that the mounting operation is not simple.

Accordingly, there is a need for a medical power connector that has good waterproof performance and is easy to install.

Disclosure of utility model

The utility model aims to provide a water inlet preventing device which is simple and convenient to install.

In order to solve the technical problems, the utility model adopts the following technical scheme:

A medical power connector comprising: the insulation main body is internally provided with a cavity penetrating through two ends, two sides of the insulation main body are provided with connecting parts, each connecting part comprises a fixed plate and a rotating plate, the fixed plate is fixedly connected with the insulation main body, the front end of the fixed plate is provided with a in-place baffle, the rotating plate is rotationally connected with the outer side of the fixed plate through a rotating shaft, the middle part of the rotating plate is provided with a connecting hole, and the outer side of the bottom of the connecting hole is concentrically provided with an elastic convex ring used for being buckled into the upper part of a screw hole of the machine shell; the positive metal conductor is inserted in the middle of the cavity of the insulating main body, and the rear end of the positive metal conductor is provided with a positive pin extending out from an opening at the tail end of the insulating main body; the negative metal conductor is inserted into the cavity of the insulating main body and is positioned at one side of the positive metal conductor, and the rear end of the negative metal conductor is provided with a negative pin extending out from the opening at the tail end of the insulating main body; a plastic rear cover which covers the tail end of the insulating main body and is provided with a through hole for the positive electrode pin and the negative electrode pin to penetrate out; the waterproof sealant covers the outer surface of the plastic rear cover and is used for sealing the through hole; and the bonding wires are provided with two groups, the two groups of bonding wires are respectively connected with the positive electrode pin and the negative electrode pin, and insulating glue is arranged at the joint.

In some embodiments, an annular groove is formed in the outer wall of the front-end socket of the insulating main body, and a silica gel sealing ring is sleeved on the annular groove.

In some embodiments, the resilient collar is a silicone collar. The connecting hole is a countersunk hole.

Compared with the prior art, the utility model at least realizes the following beneficial effects:

1. The plastic rear cover is arranged at the tail end opening of the insulating main body, the positive electrode pin at the rear end of the positive electrode metal conductor extends out of the through hole of the plastic rear cover, the negative electrode pin at the rear end of the negative electrode metal conductor extends out of the through hole of the plastic rear cover, and then a layer of waterproof sealant is covered on the outer surface of the plastic rear cover so as to seal the through hole, so that the situation that water enters the circuit board of medical equipment along a through hole gap of the bottom surface of the shell when entering the inside from the front end interface of the power connector is avoided, the medical equipment is damaged, two groups of bonding wires are simultaneously arranged to be respectively connected with the positive electrode pin and the negative electrode pin, insulating glue is arranged at the joint, and under special conditions, the situation that the positive electrode pin and the negative electrode pin are short-circuited due to water is prevented even if the tail end of the insulating main body;

2. The both sides of insulating main part are equipped with connecting portion, connecting portion include fixed plate and rotor plate, when installing insulating main part, only need place insulating main part in the mounted position of casing and backward promote the back in place, the baffle that targets in place of connecting portion front end blocks spacingly with the mounted part of casing, only need rotate the rotor plate of both sides this moment, press down the rotor plate and can make the upper portion of the countersunk head screw of elasticity bulge loop impress the casing just, can fix a position insulating main part, only need at last to connecting hole and screw internal rotation joining screw can realize firm installation, for current insulating main part's mounting means is simpler and more convenient.

Drawings

One or more embodiments of the present utility model will now be described, by way of example only, with reference to the accompanying drawings, in which:

FIG. 1 is an exploded view of one embodiment of the present application;

FIG. 2 is a schematic diagram of the embodiment of FIG. 1;

FIG. 3 is a cross-sectional view of the embodiment of FIG. 1;

FIG. 4 is a schematic structural view of the connecting portion of the embodiment of FIG. 1;

fig. 5 is a schematic structural diagram of the positive metal conductor and the negative metal conductor of the embodiment of fig. 1.

The reference numerals in the figures are: 1. an insulating body; 11. an annular groove; 2. a positive electrode metal conductor; 21. a bifurcation part; 22. an anode pin; 3. a negative electrode metal conductor; 31. an elastic bending part; 311. an abutting portion; 32. a negative electrode pin; 4. a plastic rear cover; 41. a through hole; 5. waterproof sealant; 6. welding wires; 7. a connection part; 71. a fixing plate; 711. a baffle in place; 72. a rotating plate; 8. a first accommodating groove; 9. a second accommodating groove; 10. insulating glue; 100. a connection hole; 200. an elastic convex ring; 300. a silica gel sealing ring; 400. a plug-in column; 401. a strip-shaped opening.

Detailed Description

The utility model will be described in detail hereinafter with reference to exemplary embodiments in the accompanying drawings. It should be understood, however, that this utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the utility model to those skilled in the art.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a number", "a plurality" or "a plurality" is two or more, unless specifically defined otherwise. In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1 to 5, in one embodiment of the present utility model, the medical power connector includes: the device comprises an insulating main body 1, a positive electrode metal conductor 2, a negative electrode metal conductor 3, a plastic rear cover 4, waterproof sealant 5 and bonding wires 6; the inside of the insulating main body 1 is provided with a cavity penetrating through two ends, two sides of the insulating main body 1 are provided with connecting parts 7, each connecting part 7 comprises a fixed plate 71 and a rotating plate 72, the fixed plate 71 is fixedly connected with the insulating main body 1, the front end of the insulating main body is provided with a in-place baffle 711, the rotating plate 72 is rotationally connected with the outer side of the fixed plate 71 through a rotating shaft, the middle part of the insulating main body is provided with a connecting hole 100, and the outer side of the bottom of the connecting hole 100 is concentrically provided with an elastic convex ring 200 for buckling into the upper part of a screw hole of a machine shell; the positive metal conductor 2 is inserted in the middle of the cavity of the insulating main body 1, and the rear end of the positive metal conductor is provided with a positive pin 22 extending out from the opening at the tail end of the insulating main body 1; the negative electrode metal conductor 3 is inserted into the cavity of the insulating main body 1 and is positioned at one side of the positive electrode metal conductor 2, and the rear end of the negative electrode metal conductor is provided with a negative electrode pin 32 extending out from the tail end opening of the insulating main body 1; the plastic rear cover 4 covers the tail end of the insulating main body 1 and is provided with a through hole 41 for the positive electrode pin 22 and the negative electrode pin 32 to penetrate out; the waterproof sealant 5 covers the outer surface of the plastic rear cover 4 and is used for sealing the through hole 41; the bonding wires 6 are provided with two groups, the two groups of bonding wires 6 are respectively connected with the positive electrode pin 22 and the negative electrode pin 32, and the joint is provided with the insulating glue 10.

Optionally, an annular groove 11 is provided on the outer wall of the front socket of the insulating body 1, and a silicone sealing ring 300 is sleeved on the annular groove 11. The silica gel sealing ring 300 can prevent moisture from entering the cavity of the insulating main body 1 from the gap between the power plug and the front socket when the power plug is inserted into the front opening of the insulating main body 1, so that the waterproof performance during connection is enhanced.

Optionally, the elastic convex ring 200 is a silica gel convex ring, and the elastic convex ring 200 can be just buckled into the upper part of the countersunk screw hole of the casing when the rotating plate 72 is pressed; the connection hole 100 is a countersunk hole.

Optionally, the front end of the positive electrode metal conductor 2 is provided with a U-shaped bifurcation part 21; the front end of the negative electrode metal conductor 3 is provided with an elastic bending part 31, and the outer side of the elastic bending part 31 is provided with a convex abutting part 311. Specifically, a plug-in column 400 is integrally arranged in the middle of the cavity of the insulating main body 1 along the axis, a central jack is arranged at the front end of the plug-in column 400, a first accommodating groove 8 matched with the positive metal conductor 2 is arranged in the plug-in column, a second accommodating groove 9 matched with the negative metal conductor 3 is arranged on one side of the first accommodating groove 8, and a strip-shaped opening 401 is formed in one side, close to the plug-in column 400, of the second accommodating groove 9; the positive metal conductor 2 is inserted into the first accommodating groove 8, the negative metal conductor 3 is inserted into the second accommodating groove 9, and the abutting part 311 penetrates out of the strip-shaped opening 401. The positive electrode metal conductor 2 and the negative electrode metal conductor 3 have simple structures and convenient assembly, and can be respectively and directly inserted into the first accommodating groove 8 and the second accommodating groove 9 when the power connector is assembled.

Optionally, the end of the wire 6 remote from the insulating body 1 is tin plated.

The working principle of the utility model is as follows:

The plastic rear cover 4 is opened at the tail end of the insulating main body 1, the positive electrode pin 22 at the rear end of the positive electrode metal conductor 2 extends out of the through hole 41 of the plastic rear cover 4, the negative electrode pin 32 at the rear end of the negative electrode metal conductor 3 extends out of the through hole 41 of the plastic rear cover 4, and then the through hole 41 is sealed by covering the outer surface of the plastic rear cover 4 with a layer of waterproof sealant 5, so that the situation that water enters a circuit board of medical equipment along a gap of the through hole 41 at the bottom surface of a shell when entering a power connector from a front end interface is avoided, the medical equipment is damaged, two groups of bonding wires 6 are simultaneously arranged to be respectively connected with the positive electrode pin 22 and the negative electrode pin 32, and the insulating sealant 10 is arranged at the connecting point;

The both sides of insulating main part 1 are equipped with connecting portion 7, connecting portion 7 include fixed plate 71 and rotor plate 72, when installing insulating main part 1, only need place insulating main part 1 in the mounted position of casing and backward push back in place after, the baffle 711 that targets in place of connecting portion 7 front end blocks spacingly with the installation department of casing, only need rotate rotor plate 72 of both sides this moment, press down rotor plate 72 can make the upper portion of the countersunk head screw of elasticity bulge loop 200 indentation casing just, can fix a position insulating main part 1, at last only need inwards connect screw to connecting hole 100 and screw and can realize firm installation, for the mounting means of current insulating main part 1 is simpler and more convenient.

It should be understood that all the above embodiments are illustrative and not restrictive, and that all changes, equivalents, and modifications that come within the spirit of the utility model and to be embraced by the specific embodiments described above are desired to be protected.

Claims

1. A medical power connector, comprising:

the insulation main body (1), the inside of the insulation main body (1) is provided with a cavity penetrating through two ends, two sides of the insulation main body are provided with connecting parts (7), the connecting parts (7) comprise a fixed plate (71) and a rotating plate (72), the fixed plate (71) is fixedly connected with the insulation main body (1), the front end of the insulation main body is provided with a in-place baffle (711), the rotating plate (72) is rotationally connected with the outer side of the fixed plate (71) through a rotating shaft, the middle part of the insulation main body is provided with a connecting hole (100), and the outer side of the bottom of the connecting hole (100) is concentrically provided with an elastic convex ring (200) used for being buckled on the upper part of a screw hole of the casing;

The positive metal conductor (2) is inserted in the middle of the cavity of the insulating main body (1), and the rear end of the positive metal conductor (2) is provided with a positive pin (22) extending out from the tail end opening of the insulating main body (1);

A negative metal conductor (3), wherein the negative metal conductor (3) is inserted into the cavity of the insulating main body (1) and is positioned at one side of the positive metal conductor (2), and the rear end of the negative metal conductor is provided with a negative pin (32) extending out from the tail end opening of the insulating main body (1);

A plastic rear cover (4), wherein the plastic rear cover (4) covers the tail end of the insulating main body (1) and is provided with a through hole (41) for the positive electrode pin (22) and the negative electrode pin (32) to penetrate out;

The waterproof sealant (5) is covered on the outer surface of the plastic rear cover (4) and is used for sealing the through hole (41);

And two groups of bonding wires (6) are arranged, the two groups of bonding wires (6) are respectively connected with the positive electrode pin (22) and the negative electrode pin (32), and insulating glue (10) is arranged at the joint.

2. The medical power connector according to claim 1, wherein: an annular groove (11) is formed in the outer wall of the front end socket of the insulating main body (1), and a silica gel sealing ring (300) is sleeved on the annular groove (11).

3. The medical power connector according to claim 1, wherein: the elastic convex ring (200) is a silica gel convex ring.

4. The medical power connector according to claim 1, wherein: the connecting hole (100) is a countersunk hole.

5. The medical power connector according to claim 1, wherein: the front end of the positive electrode metal conductor (2) is provided with a U-shaped bifurcation part (21); the front end of the negative electrode metal conductor (3) is provided with an elastic bending part (31), and the outer side of the elastic bending part (31) is provided with a convex abutting part (311).

6. The medical power connector according to claim 5, wherein: the middle part of the cavity of the insulating main body (1) is integrally provided with a plug-in column (400) along the axis, the front end of the plug-in column (400) is provided with a central jack, a first accommodating groove (8) matched with the positive metal conductor (2) is arranged in the plug-in column, one side of the first accommodating groove (8) is provided with a second accommodating groove (9) matched with the negative metal conductor (3), and one side of the second accommodating groove (9) close to the plug-in column (400) is provided with a strip-shaped opening (401); the positive metal conductor (2) is inserted in the first accommodating groove (8), the negative metal conductor (3) is inserted in the second accommodating groove (9), and the abutting part (311) penetrates out of the strip-shaped opening (401).

7. The medical power connector according to claim 1, wherein: and one end of the bonding wire (6) far away from the insulating main body (1) is tinned.