A medical instrument harness connector facilitating quick plug-in and plug-out

Abstract

The present application relates to the technical field of connector, in particular to a medical instrument wire harness connector convenient for quick plugging, comprising a probe body and a wire harness body; the probe body is provided with a first connector; the wire harness body is provided with a second connector; the first connector is provided with a plug-in channel; the plug-in channel is provided with a first terminal; the plug-in channel is provided with a shielding plate; the shielding plate is provided with a first opening; the first opening is movably provided with a first valve piece; the second connector is provided with a plug-in boss; the plug-in boss is provided with a second terminal; the plug-in boss is provided with a protective shell; the protective shell is provided with a second opening; the second opening is movably provided with a second valve piece. The first opening is shielded by the first valve piece, and the first opening is shielded by the second valve piece, so that the first terminal is sealed in the plug-in channel, and the second terminal is sealed in the protective shell, which effectively prevents the pollution and corrosion of the external environment on the first terminal and the second terminal, and ensures that the connector can also maintain good electrical performance in the unconnected state.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of connectors, in particular to a medical instrument wire harness connector facilitating quick plug-in and plug-out. BACKGROUND

[0002] In the field of medical instruments, quick plug-in and plug-out wire harness connectors are widely used in medical devices such as monitors, surgical instruments, and in-vitro diagnostic devices, because they can significantly simplify the operation process and improve the efficiency of device connection. To achieve the convenience of quick plug-in and plug-out, the current mainstream wire harness connectors are usually designed to be in an open and exposed state in the unconnected state, with the connection port directly in contact with the external environment.

[0003] Although this open structure is convenient to operate, it has obvious technical defects. In a medical environment, dust particles floating in the external air are likely to accumulate on the surface of the connector metal contacts, forming an insulating layer and affecting current conduction. The adsorption and condensation of water vapor can cause the oxidation of metal contacts, significantly increasing the contact resistance and reducing the stability of the connection. At the same time, corrosive gases that may exist in a medical environment, such as chemical gases generated during disinfection, can chemically react with metal contacts, accelerating the corrosion process of the metal. The above problems not only cause the transmission performance of the connector to decline, leading to electrical faults such as signal transmission interruption and data loss, but also can cause safety hazards during the operation of medical devices, and in severe cases, even endanger the safety of patients' lives. SUMMARY

[0004] The purpose of the present application is to provide a medical instrument wire harness connector facilitating quick plug-in and plug-out to overcome the above-mentioned deficiencies in the prior art.

[0005] The purpose of the present application is achieved by the following technical solution: a medical instrument wire harness connector facilitating quick plug-in and plug-out, comprising a probe body and a wire harness body; the probe body is provided with a first connector; the wire harness body is provided with a second connector cooperating with the first connector;

[0006] The first connector is provided with a plug-in channel; the plug-in channel is provided with a first terminal; the plug-in channel is provided with a shielding plate sliding along the length direction; the shielding plate is provided with a first opening at the corresponding position of the first terminal; the first opening is movably provided with a first valve piece;

[0007] The second connector is provided with a plug-in boss; the plug-in boss is provided with a second terminal; the outer periphery of the plug-in boss is slidingly provided with a protective shell along the length direction; the protective shell is provided with a second opening at the corresponding position of the second terminal; the second opening is movably provided with a second valve piece;

[0008] The second connector is provided with a driving assembly for driving the second valve piece to move; the second valve piece and the first valve piece are provided with a linkage assembly.

[0009] The first valve piece includes a first left valve piece and a first right valve piece abutting each other; the shielding plate is provided with a first sealing cavity in communication with the first opening; the first left valve piece and the first right valve piece are respectively arranged on the two sides of the first sealing cavity in a sliding mode;

[0010] The second valve piece includes a second left valve piece and a second right valve piece abutting each other; the protective shell is provided with a second sealing cavity in communication with the second opening; the second left valve piece and the second right valve piece are respectively arranged on the two sides of the second sealing cavity in a sliding mode.

[0011] The driving assembly includes a driving ring rotatably arranged on the inner wall of the protective shell; the driving ring is slidably sleeved on the outer periphery of the plug-in boss; one end of the driving ring is provided with a driving pin; the second sealing cavity is provided with an arc-shaped guide groove; the second left valve piece and the second right valve piece are both provided with a straight guide groove; the driving pin is arranged in the arc-shaped guide groove and the straight guide groove.

[0012] The other end of the driving ring is provided with a rotating pin; the outer wall of the plug-in boss is provided with a rotating groove; the rotating pin is movably arranged in the rotating groove; the rotating groove includes a first straight rotating groove arranged along the length direction of the plug-in boss, a second straight rotating groove arranged along the length direction of the plug-in boss, and a spiral rotating groove arranged between the first straight rotating groove and the second straight rotating groove.

[0013] The linkage assembly includes a clamping groove arranged on the first left valve piece and the first right valve piece, and a clamping block arranged on the second left valve piece and the second right valve piece; the clamping block is used for clamping connection with the clamping groove.

[0014] The first left valve piece and the first sealing cavity, and the first right valve piece and the first sealing cavity are both provided with a first sealing spring.

[0015] The shielding plate and the plug-in channel are provided with a first reset spring; the protective shell and the second connector are provided with a second reset spring.

[0016] The first terminal and the plug-in channel are provided with a buffer spring; the first connector is provided with an air bag in communication with the plug-in channel.

[0017] The inner wall of the plug-in channel is provided with a first limiting plane; the outer wall of the protective shell is provided with a second limiting plane matched with the first limiting plane; the first limiting plane is movably provided with a locking pin; the locking pin and the first connector are provided with a locking spring; the outer wall of the first connector is provided with a handle; the handle is connected with the locking pin; the outer wall of the protective shell is provided with an abutting inclined surface matched with the locking pin.

[0018] The protective shell is provided with a through hole; the second connector is provided with a locking hole; and the locking pin is locked through the through hole and the locking hole.

[0019] The present application is further provided that the inner wall of the plug-in channel is provided with a limiting groove; the shielding plate is provided with a limiting block; the limiting block is slidingly arranged in the limiting groove; and the limiting groove is provided with a dust falling port at an end away from the first terminal.

[0020] The present application has the beneficial effects that the first terminal is sealed in the plug-in channel and the second terminal is sealed in the protective shell by the first valve piece and the second valve piece shielding the first opening, effectively preventing the pollution and corrosion of the first terminal and the second terminal by the external environment, and ensuring that the connector can maintain good electrical performance in the unconnected state. BRIEF DESCRIPTION OF DRAWINGS

[0021] The application is further illustrated by the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present application, and other drawings can be obtained by the ordinary skilled in the art without creative labor on the basis of the following drawings.

[0022] Figure 1 is a structural schematic diagram of the probe body of the present application;

[0023] Figure 2 is a sectional view of the first connector of the present application;

[0024] Figure 3 is a structural schematic diagram of the wire harness body of the present application;

[0025] Figure 4 is a sectional view of the second connector of the present application;

[0026] Figure 5 is a structural schematic diagram of the second connector after the protective shell is cut open;

[0027] Figure 6 is a structural exploded view of the protective shell of the present application;

[0028] Figure 7 is a sectional view of the first connector and the second connector cooperating;

[0029] Wherein: 11, probe body; 12, harness body; 13, handle; 2, first connector; 21, plug channel; 22, first terminal; 23, first return spring; 3, second connector; 31, plug boss; 32, second terminal; 33, first linear rotation slot; 34, second linear rotation slot; 35, spiral rotation slot; 36, second return spring; 4, shielding plate; 41, first opening; 42, first sealing cavity; 43, first left valve disc; 44, first right valve disc; 45, first sealing spring; 5, anti- Protective shell; 51, second opening; 52, second sealing chamber; 53, second left valve disc; 54, second right valve disc; 56, arc-shaped guide groove; 57, linear guide groove; 6, drive ring; 61, drive pin; 62, rotating pin; 71, clamping block; 72, clamping groove; 81, buffer spring; 82, airbag; 91, first limiting plane; 92, second limiting plane; 93, locking pin; 94, locking spring; 95, abutting inclined surface; 96, through hole; 97, locking hole; 98, limiting groove; 99, limiting block; 90, dust outlet. DETAILED DESCRIPTION

[0030] The present invention is further described with reference to the following examples.

[0031] Depend on Figures 1 to 7 It can be seen that the medical device harness connector for quick plugging and unplugging described in this embodiment includes a probe body 11 and a harness body 12; the probe body 11 is provided with a first connector 2; the harness body 12 is provided with a second connector 3 that cooperates with the first connector 2;

[0032] The first connector 2 is provided with a plug-in channel 21; a first terminal 22 is provided in the plug-in channel 21; a shielding plate 4 is provided in the plug-in channel 21 along the longitudinal direction thereof in a sealed and sliding manner; the shielding plate 4 is provided with a first opening 41 at a position corresponding to the first terminal 22; a first valve plate is movably provided in the first opening 41;

[0033] The second connector 3 is provided with a plug-in boss 31; a second terminal 32 is provided in the plug-in boss 31; a protective shell 5 is provided on the outer periphery of the plug-in boss 31 along the longitudinal direction; the protective shell 5 is provided with a second opening 51 at a position corresponding to the second terminal 32; a second valve plate is movably provided in the second opening 51;

[0034] The second connector 3 is provided with a driving component for driving the second valve plate to move; a linkage component is provided between the second valve plate and the first valve plate.

[0035] Specifically, the medical instrument wire harness connector with quick plug-in and plug-out function disclosed in the embodiment can seal the first terminal 22 in the plug-in channel 21 and the second terminal 32 in the protective shell 5 by shielding the first opening 41 with the first valve plate and the second valve plate before the first connector 2 and the second connector 3 are plugged in, thereby effectively preventing the first terminal 22 and the second terminal 32 from being polluted and corroded by the external environment and ensuring that the connector can maintain good electrical performance even in the unconnected state.

[0036] When the first connector 2 and the second connector 3 need to be plugged in, the protective shell 5 and the second connector 3 are inserted into the plug-in channel 21, and then the driving assembly drives the second valve plate to move, thereby opening the second opening 51, and the second valve plate drives the first valve plate to move through the linkage assembly, thereby opening the first opening 41, so that the first terminal 22 and the second terminal 32 are in contact, and the electrical conduction between the probe body 11 and the wire harness body 12 is completed.

[0037] The medical instrument wire harness connector with quick plug-in and plug-out function disclosed in the embodiment, the first valve plate includes the first left valve plate 43 and the first right valve plate 44 which abut against each other; the shielding plate 4 is provided with a first sealing cavity 42 which is in communication with the first opening 41; the first left valve plate 43 and the first right valve plate 44 are respectively slidably arranged on the two sides of the first sealing cavity 42; and the above arrangement can effectively shield or open the first opening 41.

[0038] The second valve plate includes the second left valve plate 53 and the second right valve plate 54 which abut against each other; the protective shell 5 is provided with a second sealing cavity 52 which is in communication with the second opening 51; the second left valve plate 53 and the second right valve plate 54 are respectively slidably arranged on the two sides of the second sealing cavity 52; and the above arrangement can effectively shield or open the second opening 51.

[0039] The medical instrument wire harness connector convenient for quick plugging and unplugging provided by the embodiment comprises a driving assembly, a first left valve piece 43, a first right valve piece 44, a first sealing cavity 42, a second left valve piece 53, a second right valve piece 54, a second sealing cavity 52, a driving ring 6, a driving pin 61, an arc-shaped guide groove 56, a straight line guide groove 57, a rotating pin 62, a plug-in boss 31, a rotating groove, a first linear rotating groove 33, a second linear rotating groove 34 and a spiral rotating groove 35.

[0040] Specifically, when the protective shell 5 and the second connector 3 slide relative to each other, and when the rotating pin 62 moves in the spiral rotating groove 35, the driving ring 6 rotates relative to the protective shell 5, and under the limiting action of the arc-shaped guide groove 56 and the straight line guide groove 57, the two driving pins 61 drive the second left valve piece 53 and the second right valve piece 54 to move close to or away from each other; that is, when the protective shell 5 and the second connector 3 slide relative to each other, the second left valve piece 53 and the second right valve piece 54 can be driven to move close to or away from each other, so that the second opening 51 can be shielded or opened.

[0041] The medical instrument wire harness connector convenient for quick plugging and unplugging provided by the embodiment comprises a driving assembly, a first left valve piece 43, a first right valve piece 44, a first sealing cavity 42, a second left valve piece 53, a second right valve piece 54, a second sealing cavity 52, a driving ring 6, a driving pin 61, an arc-shaped guide groove 56, a straight line guide groove 57, a rotating pin 62, a plug-in boss 31, a rotating groove, a first linear rotating groove 33, a second linear rotating groove 34 and a spiral rotating groove 35.

[0042] The medical instrument wire harness connector convenient for quick plugging and unplugging provided by the embodiment comprises a driving assembly, a first left valve piece 43, a first right valve piece 44, a first sealing cavity 42, a second left valve piece 53, a second right valve piece 54, a second sealing cavity 52, a driving ring 6, a driving pin 61, an arc-shaped guide groove 56, a straight line guide groove 57, a rotating pin 62, a plug-in boss 31, a rotating groove, a first linear rotating groove 33, a second linear rotating groove 34 and a spiral rotating groove 35.

[0043] The medical instrument wire harness connector convenient for quick plugging and unplugging provided by the embodiment is provided with a first reset spring 23 between the shielding plate 4 and the plug-in channel 21; the above-mentioned arrangement facilitates the reset of the shielding plate 4; the protective shell 5 is provided with a second reset spring 36 between the protective shell 5 and the second connector 3; the above-mentioned arrangement facilitates the reset of the protective shell 5.

[0044] The medical instrument wire harness connector convenient for quick plugging and unplugging provided by the embodiment is provided with a buffer spring 81 between the first terminal 22 and the plug-in channel 21; the above-mentioned arrangement can protect the first terminal 22 and the second terminal 32. The first connector 2 is provided with an air bag 82 in communication with the plug-in channel 21. The above-mentioned arrangement can make the airflow flow between the plug-in channel 21 and the air bag 82 along with the movement of the shielding plate 4, effectively keep the internal pressure stable, and prevent the excessive pressure from affecting the equipment.

[0045] The medical instrument wire harness connector convenient for quick plugging and unplugging provided by the embodiment is provided with a first limiting plane 91 on the inner wall of the plug-in channel 21; the outer wall of the protective shell 5 is provided with a second limiting plane 92 matched with the first limiting plane 91; the first limiting plane 91 is provided with a locking pin 93 in an extendible and retractable manner; the locking pin 93 is provided with a locking spring 94 between the locking pin 93 and the first connector 2; the outer wall of the first connector 2 is provided with a handle 13; the handle 13 is connected with the locking pin 93; the outer wall of the protective shell 5 is provided with an abutting inclined surface 95 matched with the locking pin 93; the protective shell 5 is provided with a perforation 96; the second connector 3 is provided with a locking hole 97; the locking pin 93 is locked through the perforation 96 and the locking hole 97. The above-mentioned arrangement facilitates the locking of the first connector 2 and the second connector 3.

[0046] Specifically, the medical instrument wire harness connector convenient for quick plugging and unplugging provided by the embodiment, before the first connector 2 and the second connector 3 are plugged, the first valve plate shields the first opening 41, and the second valve plate shields the first opening 41, so as to seal the first terminal 22 in the plug-in channel 21 and seal the second terminal 32 in the protective shell 5, effectively preventing the pollution and corrosion of the external environment to the first terminal 22 and the second terminal 32, and ensuring that the connector can also maintain good electrical performance in the unconnected state.

[0047] When it is needed to plug the first connector 2 and the second connector 3, the protective shell 5 and the second connector 3 are inserted into the plug-in channel 21, under the action of the abutting inclined surface 95, the locking pin 93 is pushed to shrink into the first connector 2, the second connector 3 is pushed to move towards the inside of the plug-in channel 21, the protective shell 5 and the shielding plate 4 abut, and the clamping block 71 and the clamping groove 72 abut;

[0048] By setting the rigidity of the first reset spring 23 to be greater than the rigidity of the second reset spring 36, continued pushing of the second connector 3 moves so that the relative sliding between the protective shell 5 and the second connector 3 occurs, so that the rotating pin 62 moves in the spiral rotating groove 35, so that the driving ring 6 rotates relative to the protective shell 5, under the limiting action of the arc-shaped guide groove 56 and the straight guide groove 57, the two driving pins 61 drive the second left valve piece 53 and the second right valve piece 54 to move away from each other, thereby opening the second opening 51, and at the same time, through the cooperation of the clamping block 71 and the clamping groove 72, the first left valve piece 43 and the first right valve piece 44 are driven to move away from each other, thereby opening the first opening 41; until the rotating pin 62 moves to the end of the second straight rotating groove 34, the relative sliding between the protective shell 5 and the second connector 3 cannot occur, so continued pushing of the second connector 3 moves to the inside of the plug-in channel 21, driving the protective shell 5 and the shielding plate 4 to continue to move to the inside of the plug-in channel 21, until the perforation 96 and the locking hole 97 move to the position of the locking pin 93, under the action of the locking spring 94, the locking pin 93 resets and is locked through the perforation 96 and the locking hole 97, at this time the first terminal 22 passes through the first opening 41, the second terminal 32 passes through the second opening 51, the first terminal 22 contacts the second terminal 32, and the electrical conduction between the probe body 11 and the wire harness body 12 is completed.

[0049] When it is necessary to separate the first connector 2 and the second connector 3, only the locking pin 93 needs to be driven through the handle 13, so that the locking pin 93 exits from the perforation 96 and the locking hole 97, under the action of the first reset spring 23, the second reset spring 36 and the first sealing spring 45, the first connector 2 and the second connector 3 reset; and in the process of resetting the shielding plate 4, the shielding plate 4 sweeps the dust of the plug-in channel 21 to the dust falling port 90,

[0050] The medical instrument wire harness connector convenient for quick plug-in and plug-out described in the embodiment is provided with a limiting groove 98 on the inner wall of the plug-in channel 21; the shielding plate 4 is provided with a limiting block 99; the limiting block 99 is slidingly arranged in the limiting groove 98; and one end of the limiting groove 98 away from the first terminal 22 is provided with the dust falling port 90. Through the above arrangement, the sliding of the shielding plate 4 can be guided and limited, and the dust of the plug-in channel 21 can be swept to the dust falling port 90.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. A medical device harness connector that facilitates quick plugging and unplugging, characterized by: It includes a probe body and a wiring harness body; the probe body is provided with a first connector; the wiring harness body is provided with a second connector that matches the first connector; The first connector is provided with a plug-in channel; a first terminal is provided in the plug-in channel; a shielding plate is provided in the plug-in channel for sealing and sliding along the length direction; the shielding plate is provided with a first opening at a position corresponding to the first terminal; a first valve plate is movably provided in the first opening; The second connector is provided with a plug-in boss; a second terminal is provided in the plug-in boss; a protective shell is provided on the outer periphery of the plug-in boss in a sliding manner along the length direction; the protective shell is provided with a second opening at a position corresponding to the second terminal; a second valve plate is movably provided in the second opening; The second connector is provided with a driving component for driving the second valve disc to move; a linkage component is provided between the second valve disc and the first valve disc; The first valve disc comprises a first left valve disc and a first right valve disc abutting against each other; the shielding plate is provided with a first sealing cavity communicating with the first opening; the first left valve disc and the first right valve disc are respectively slidably provided on both sides of the first sealing cavity; The second valve disc comprises a second left valve disc and a second right valve disc abutting against each other; the protective shell is provided with a second sealed cavity communicating with the second opening; the second left valve disc and the second right valve disc are respectively slidably provided on both sides of the second sealed cavity; The drive assembly includes a drive ring rotatably mounted on the inner wall of the protective shell; the drive ring is slidably sleeved on the outer periphery of the plug-in boss; a drive pin is provided at one end of the drive ring; an arc-shaped guide groove is provided through the second sealing cavity; the second left valve plate and the second right valve plate are both provided with linear guide grooves; the drive pin is provided through the arc-shaped guide groove and the linear guide groove; A rotating pin is provided at the other end of the driving ring; a rotating groove is provided on the outer wall of the plug-in boss; the rotating pin is movably arranged in the rotating groove; the rotating groove includes a first linear rotating groove arranged along the length direction of the plug-in boss, a second linear rotating groove arranged along the length direction of the plug-in boss, and a spiral rotating groove arranged between the first linear rotating groove and the second linear rotating groove.

2. A medical device harness connector that facilitates quick plugging and unplugging according to claim 1, characterized in that: The linkage assembly includes a card slot provided on the first left valve piece and the first right valve piece, and a card block provided on the second left valve piece and the second right valve piece; the card block is used for being engaged with the card slot.

3. The medical device wiring harness connector that is convenient for quick plugging and unplugging according to claim 1, characterized in that: A first sealing spring is provided between the first left valve disc and the first sealing cavity, and between the first right valve disc and the first sealing cavity.

4. The medical device wiring harness connector that is convenient for quick plugging and unplugging according to claim 1, characterized in that: A first return spring is provided between the shielding plate and the plug-in channel; and a second return spring is provided between the protective shell and the second connector.

5. The medical device wiring harness connector that is convenient for quick plugging and unplugging according to claim 1, characterized in that: A buffer spring is provided between the first terminal and the plug-in channel; and the first connector is provided with an air bag communicated with the plug-in channel.

6. The medical device wiring harness connector that is convenient for quick plugging and unplugging according to claim 1, characterized in that: The inner wall of the plug-in channel is provided with a first limiting plane; the outer wall of the protective shell is provided with a second limiting plane that cooperates with the first limiting plane; the first limiting plane is provided with a locking pin for telescopic movement; a locking spring is provided between the locking pin and the first connector; the outer wall of the first connector is provided with a handle; the handle is connected to the locking pin; the outer wall of the protective shell is provided with an abutting inclined surface that cooperates with the locking pin; The protective shell is provided with a through hole; the second connector is provided with a locking hole; the locking pin is locked with the locking hole through the through hole.

7. The medical device wiring harness connector that is convenient for quick plugging and unplugging according to claim 1, characterized in that: A limiting groove is provided on the inner wall of the plug-in channel; a limiting block is provided on the shielding plate; the limiting block is slidably arranged in the limiting groove; a dust outlet is penetrated by one end of the limiting groove away from the first terminal.

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