CN211456027U

CN211456027U - Plasma surgical equipment connector capable of meeting safe creepage distance

Info

Publication number: CN211456027U
Application number: CN202020301147.5U
Authority: CN
Inventors: 李�杰; 张磊; 孙良俊
Original assignee: Nanjing Eco Microwave System Co ltd
Current assignee: Nanjing Yigao Medical Technology Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-09-08
Anticipated expiration: 2030-03-12

Abstract

The utility model relates to a connector, especially can increase safe connector of creepage interval belongs to the technical field of plasma operation equipment connector. According to the technical scheme provided by the utility model, can satisfy the plasma surgical equipment connector of creepage interval, including main part connector and socket connector. The main body connector is provided with an outer plastic shell and a plurality of main body connecting pins, contact parts in the main body connecting pins are arranged in parallel along a direction vertical to the surface of the outer plastic shell, and the embedding direction is staggered with the L1 distance; the socket connector is provided with a socket outer plastic shell capable of being embedded with the main body shell and a plurality of socket connection points, contact parts are respectively inserted into the socket connection points when the two outer plastic shells are embedded, insulating convex partition walls are arranged in pin positioning grooves in two ends of the outer plastic shells, and the insulating convex partition walls and the pins adjacent to the inner sides form anti-creepage insulating steps. The utility model discloses can increase creepage interval, improve the stability and the reliability of plasma operation equipment connector.

Description

Plasma surgical equipment connector capable of meeting safe creepage distance

Technical Field

The utility model relates to a connector, in particular to a plasma surgical equipment connector capable of meeting the safe creepage distance, which belongs to the technical field of electric connection device manufacture.

Background

The plasma surgical equipment connector is mainly used for connecting a plasma surgical equipment main machine and a plasma accessory and is used for receiving high-frequency energy output by the main machine and inputting the high-frequency energy into an electrode part. Most of energy output connectors designed by the mainstream plasma surgical equipment in the market at present select a round multi-core aviation socket joint connector.

Fig. 1 is a schematic view of a connector of a plasma surgical device currently on the market. About 16mm of jack diameter of socket, contact pin diameter phi 1.5mm, contact diameter is about 10.5mm apart from the farthest, adjacent contact diameter is about 3mm apart from the farthest, this kind of connector belongs to general connector joint, the succinct beautiful appearance in the design, but because the connector is small and exquisite, built-in contact pin diameter is also relatively thin, connector signal connection electrical property cable is circular distribution, the structure interval is compact, when high frequency energy signal and detected signal pass through this connector simultaneously, creepage distance is shorter, lead to the electrical damage of plasma surgical equipment connector and host computer easily, make plasma surgical equipment stability and reliability in use lower.

Disclosure of Invention

The utility model discloses aim at overcome exist among the prior art not enough, provide a plasma surgical equipment connector who satisfies safe creepage interval, its structure is succinct, when equipment host output high frequency energy, improves the stability and the reliability of plasma surgical equipment connector.

In order to achieve the purpose, according to the technical scheme provided by the utility model, can satisfy plasma surgical equipment connector of safe creepage interval, including main part connector and socket connector.

The main body connector is provided with an insulating main body outer plastic shell and a plurality of main body connecting pins, a plurality of jacks allowing the pins to be inserted are arranged in the outer plastic shell, and the pins are installed in the plastic shell after being inserted into the jacks. The contact parts of the main body connecting pins are arranged in parallel along the direction vertical to the surface of the outer plastic shell, and the embedding direction is staggered with the distance of L1. The main body connector is arranged at the tail part of the plasma accessory.

The socket connector is provided with an insulating socket outer plastic shell and a plurality of socket connecting points, the socket outer plastic shell can be embedded with the main body outer plastic shell, and when the two outer plastic shells are embedded, the main body connector pins are respectively embedded into the socket outer plastic shell in an inserting mode. The socket connector is arranged on a panel of the plasma surgery equipment.

And the contact pin partition wall is arranged at the position of the conductive contact pin of the end block of the main body connector outer plastic shell and the socket connector outer plastic shell, so that the insulation isolation of the conductive contact pin is enhanced when the main body connector is embedded with the socket connector.

Further, the main body connector outer plastic housing includes an upper plastic housing and a lower plastic housing. The upper and lower plastic shells are provided with positioning grooves for fixing the contact pins; insulation convex partition walls are arranged in the pin positioning grooves at the two ends of the upper plastic shell, the pins adjacent to the inner side form an anti-creepage insulation step, and the creepage distance of the anti-creepage surface is more than or equal to 9 mm; the inner side of the upper plastic shell is provided with an embedded female slot column in which the upper plastic shell and the lower plastic shell are embedded; the inner side of the lower plastic shell is provided with an embedded male slot column which is embedded with the upper and lower plastic shells; the lower plastic shell is provided with a wire positioning groove in a right inverted 'n' -shaped shape, so that a contact pin can be fixedly connected with a wire, and the reliability and the tensile resistance of conductor connection during plugging are enhanced.

Furthermore, a bulge which accords with human engineering is arranged on the upper plastic shell of the main body connector, and a circular groove which accords with human engineering is arranged on the lower plastic shell of the main body connector, so that the friction force and the convenience during plugging and unplugging are increased;

furthermore, the contact pins comprise strong electric conductor contact pins and signal electric conductor contact pins, the electric conductor contact pins are arranged on the insulating outer plastic shell in a straight line shape, the strong electric conductor contact pins are located on the left side and the right side of the insulating outer plastic shell, the signal electric conductor contact pins are located on the inner side of the insulating outer plastic shell, and the minimum distance between every two adjacent electric conductor contact pins is L1.

Furthermore, the main body connector pin is provided with a crown spring, and when the pin is embedded into the connecting point of the socket connector, the contact area is large, the resistance is small, and the contact is reliable.

Compared with the prior art, the utility model provides a pair of plasma surgical equipment connector that can satisfy safe creepage interval has following beneficial effect:

1. arrange the setting with strong electric conductor contact pin and signal conductor style of calligraphy, utilize the next door that insulating step set up simultaneously to strengthen creepage distance, prevent that creepage from stretching, improve the ability of resisting the discharge on surface, ensure the resistant high voltage index height of connector, can be fine satisfy high frequency electric sword safe and reliable's user demand.

2. The short circuit condition generated when the contact pin is used for electric connection can be avoided.

3. The wire constant head tank of the right side of falling "nearly" style of calligraphy that sets up in the shell is moulded to main part connector, and the reliability and the pull resistance that the conductor is connected when the reinforcing plug are connected to the wire of fixed connection contact pin.

Drawings

Fig. 1 is a schematic view of a connector of a plasma surgical device currently on the market.

Fig. 2 is a schematic view of the overall structure of the connector of the present invention.

Fig. 3 is a schematic view of the receptacle connector of the present invention.

Fig. 4 is a front view, a left side view, a rear view, and a top view of the main body connector of the present invention.

Fig. 5 is an exploded view of the main body connector of the present invention.

Fig. 6 is an inside view of the lower cover of the main body connector of the present invention.

Fig. 7 is an inside view of the main body connector upper cover of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 2, the connector of the present embodiment is constituted by a body connector 2 and a receptacle connector 3. The main body connector 2 is arranged at the tail part of the plasma accessory; as shown in fig. 3, the receptacle connector 3 is fitted to the main body connector 2, and is provided on the panel of the main unit 1 of the plasma surgical apparatus.

As shown in fig. 4, the main body connector 2 is composed of an insulating main body outer plastic housing and a plurality of main body connecting pins, the outer plastic housing is made of an insulating ABS resin material, and a plurality of insertion holes allowing the pins to be inserted are formed therein, and the pins are installed in the plastic housing after being inserted into the insertion holes. The contact parts of the main body connecting pins are arranged in parallel along the direction vertical to the surface of the outer plastic shell, the embedding direction is staggered with the L1 distance, and the L1 designed distance is more than or equal to 10 mm.

The main body connecting contact pin comprises strong electric conductor contact pins 4 and 6 and a signal electric conductor contact pin 5, the electric conductor contact pins 4, 5 and 6 are arranged on the insulating outer plastic shell in a straight line shape, the strong electric conductor contact pins 4 and 6 are positioned on the left side and the right side of the insulating outer plastic shell, and the signal electric conductor contact pin 5 is positioned on the inner side of the insulating outer plastic shell.

The diameters of the conductive pins 4, 5 and 6 are more than or equal to 3mm, the contact front ends of the conductive pins are provided with crown springs 11, and when the conductive pins are embedded into the connection points of the socket connector, the contact area is large, the resistance is small, and the contact is reliable.

The plastic shell on the main body connector is provided with a bulge 15 which accords with human engineering and is used for pinching and holding the index finger and the middle finger of a user; a circular groove 16 which accords with human engineering is formed in the lower plastic shell of the main body connector and is used for being held by a thumb of a user, so that the portability and the friction force of the connector during plugging are improved;

as shown in fig. 5, the outer housing of the body connector 2 includes an upper housing 12 and a lower housing 13. The upper and lower plastic shells are provided with positioning grooves 14 for fixing the contact pins; the inner side of the upper plastic shell 12 is provided with an embedded female slot column 8 which is embedded with the upper and lower plastic shells, as shown in fig. 6; and the pin positioning grooves at two ends of the upper plastic shell 12 are provided with insulating convex partition walls 7, the pins adjacent to the inner side form an anti-creepage insulating step, and the creepage distance on the anti-creepage surface is more than or equal to 9 mm.

As shown in fig. 7, the inner side of the lower plastic housing 13 is provided with an embedded male slot pillar 9 embedded with the upper and lower plastic housings; the lower plastic shell is provided with a wire positioning groove 10 shaped like a right inverted Chinese character 'ji', so that a wire of a contact pin can be fixedly connected, and the reliability and the tensile resistance of conductor connection during plugging are enhanced.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The protection scope of the utility model is subject to the appended claims.

Claims

1. The utility model provides a plasma surgical equipment connector that can satisfy safe creepage interval which characterized in that: the connector includes: a body connector and a receptacle connector;

the main body connector is provided with an insulating main body outer plastic shell and a plurality of main body connecting pins, a plurality of jacks allowing the pins to be inserted into are arranged in the outer plastic shell, and the pins are installed in the plastic shell after being inserted into the jacks; the contact parts of the main body connecting pins are arranged in parallel along the direction vertical to the surface of the outer plastic shell, and the embedding direction is staggered with the distance of L1; the main body connector is arranged at the tail part of the plasma accessory;

the socket connector is provided with an insulating socket outer plastic shell and a plurality of socket connecting points, the socket outer plastic shell can be embedded with the main body outer plastic shell, and when the two outer plastic shells are embedded at the plurality of conductive socket connecting points, the main body connector pins are respectively embedded into the socket outer plastic shell in an inserting mode; the socket connector is arranged on a panel of a main machine of the plasma surgical equipment;

2. The connector of claim 1, wherein: the main body connector outer plastic shell comprises an upper plastic shell and a lower plastic shell; the upper and lower plastic shells are provided with positioning grooves for fixing the contact pins; insulation convex partition walls are arranged in the pin positioning grooves at the two ends of the upper plastic shell, the pins adjacent to the inner side form an anti-creepage insulation step, and the creepage distance of the anti-creepage surface is more than or equal to 9 mm; the inner side of the upper plastic shell is provided with an embedded female slot column in which the upper plastic shell and the lower plastic shell are embedded; the inner side of the lower plastic shell is provided with an embedded male slot column which is embedded with the upper and lower plastic shells; the lower plastic shell is provided with a wire positioning groove in a right inverted 'n' -shaped shape, so that a contact pin can be fixedly connected with a wire, and the reliability and the tensile resistance of conductor connection during plugging are enhanced.

3. The connector of claim 1, wherein: the upper plastic shell of the main body connector is provided with a bulge which accords with human engineering, and the lower plastic shell of the main body connector is provided with a circular groove which accords with human engineering, so that the convenience and the friction force of the connector during plugging and unplugging are improved.

4. The connector of claim 1, wherein: the contact pins comprise strong current conductor contact pins and signal conductor contact pins, the conductor contact pins are arranged on the insulating outer plastic shell in a straight line shape, the strong current conductor contact pins are located on the left side and the right side of the insulating outer plastic shell, the signal conductor contact pins are located on the inner side of the insulating outer plastic shell, the minimum distance between every two adjacent conductor contact pins is L1, and the design distance of L1 is larger than or equal to 10 mm.

5. The connector of claim 1, wherein: the diameter of the main body connector contact pin is larger than or equal to 3mm, the contact front end of the contact pin is provided with the crown spring, when the contact pin is embedded into the connection point of the socket connector, the contact area is large, the resistance is small, and the contact is reliable.