Plug assembly, connector and medical instrument

Abstract

The embodiment of the utility model belongs to the technical field of medical equipment, and relates to a plug assembly, a connector and a medical instrument, and the connector comprises a male plug assembly and a female plug assembly. The male plug assembly comprises a first plug pin seat and a first plug pin, two ends of the first plug pin seat are provided with a first plugging end and a first wiring end, the first plugging end comprises a plug pipe, the first wiring end comprises a first separation groove, the first plug pin is arranged in the plug pipe in a penetrating manner, and one end of the first plug pin is arranged in the first separation groove; the female plug assembly comprises a second plug pin seat and a second plug pin, two ends of the second plug pin seat are provided with a second plugging end and a second wiring end, the second plugging end comprises a jack, the second wiring end comprises a second separation groove, the second plug pin is arranged in the jack in a penetrating manner, and one end of the second plug pin is arranged in the second separation groove; when the male plug assembly and the female plug assembly are correspondingly plugged, the first pin and the second pin are connected. According to the invention, the creepage distance and the electrical clearance of the pins in the male plug assembly and the female plug assembly can be effectively increased, so that the safety of the device during working is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical equipment, more particularly, to a plug assembly, a connector and a medical instrument. BACKGROUND

[0002] The connector is a device for connecting two active devices by plug assemblies to transmit current or signals, and generally includes two plug assemblies, namely a male plug and a female plug. The male plug is connected to a power supply or a control device at one end, and the female plug is connected to an electrical device at one end. The two plugs are connected in a plug-in manner, so that the pins in the plugs are connected to transmit current or signals through the pins inside the plugs. However, during the transmission of current or signals by the pins, the creepage distance and the electrical clearance between the pins are too small due to the close distance between the pins, which leads to the risk of short circuit or breakdown during transmission, thereby affecting the normal use of the device and causing certain safety hazards. CONTENT OF THE UTILITY MODEL

[0003] The technical problem to be solved by the embodiments of the present application is how to improve the safety of the connector during operation.

[0004] To solve the above technical problem, the embodiments of the present application provide a plug assembly, which adopts the technical scheme as follows:

[0005] A plug assembly, comprising: a pin seat and a pin.

[0006] The pin seat comprises a plug-in end and a wiring end, the wiring end is provided with a separation groove, the pin is arranged in the plug-in end, and one end of the pin is arranged in the separation groove. The pins in each separation groove are spaced from the pins in the other separation grooves.

[0007] To solve the above technical problem, the embodiments of the present application also provide a connector, which adopts the technical scheme as follows:

[0008] A connector, comprising: a male plug assembly and a female plug assembly.

[0009] The male plug assembly comprises a first pin seat and a first pin. The first pin seat is provided with a first plug-in end and a first wiring end at two ends respectively. The first plug-in end comprises a plurality of plug tubes. The first wiring end comprises a plurality of first separation grooves in communication with the plug tubes. The first pin is arranged in the plug tube and one end of the first pin is arranged in the first separation groove.

[0010] The female plug assembly comprises a second pin seat and a second pin, two ends of the second pin seat are respectively provided with a second plug end and a second wiring end, the second plug end comprises a plurality of plug holes corresponding to the plug tubes, the second wiring end comprises a plurality of second separation grooves corresponding to the plug holes, the second pin is arranged in the plug hole and one end is arranged in the second separation groove.

[0011] When the male plug assembly is correspondingly plugged with the second plug end of the female plug assembly, the first pin and the second pin are connected.

[0012] Further, the first wiring end and the second wiring end are provided with a cross-shaped convex rib extending in the axial direction, the cross-shaped convex rib comprises a plurality of isolation walls arranged perpendicular to each other, and the first separation groove and the second separation groove are formed between adjacent isolation walls.

[0013] Further, the first pin is provided with a first limiting part and a first positioning part, the inside of the plug tube is provided with a first limiting groove corresponding to the first limiting part, the first limiting groove and the first limiting part abut to form a limiting part, and the first positioning part and the inside channel of the plug tube are in interference fit to form a fixed part.

[0014] The second pin is provided with a second limiting part and a second positioning part, the inside of the plug hole is provided with a second limiting groove corresponding to the second limiting part, the second limiting groove and the second limiting part abut to form a limiting part, and the second positioning part and the inside channel of the plug hole are in interference fit to form a fixed part.

[0015] Further, the plug tubes are arranged at intervals, the positions of the plug holes correspond to the positions of the plug tubes, and the outer hole diameter of the plug tube corresponds to the inner hole diameter of the plug hole.

[0016] Further, at least one of the plug tubes is a special-shaped tube, and at least one is not the special-shaped tube, the special-shaped tube is arranged asymmetrically along the axial line of the first wiring end, the plug hole corresponding to the special-shaped tube is provided with a corresponding special-shaped hole, and the number of special-shaped holes corresponds to the number of special-shaped tubes.

[0017] Further, the male plug assembly further comprises a shell assembly and a first positioning part, the first pin is fixed in the first pin seat, the first wiring end of the first pin seat is inserted into the first positioning part to form a circumferential fixation, and the first positioning part is interference fitted in the inside of the shell assembly.

[0018] Further, the shell assembly comprises a first outer shell, a main shell and a tail shell, the main shell is provided with a clamping piece, the first outer shell is provided with a clamping hole corresponding to the clamping piece, the clamping piece and the clamping hole are clamped to fix the first outer shell outside the first main shell, and the main shell is screw-connected with the tail shell at one end away from the first outer shell to form a fixed connection.

[0019] Further, the female plug assembly further comprises a second outer shell, a locking piece and a second positioning piece, the locking piece is screw-fixed on the outer side of the second outer shell, the second pin seat is inserted into the second positioning piece at the second plug end, and the second positioning piece is interference-fitted in the second outer shell to form a fixed connection.

[0020] To solve the above technical problems, the embodiment of the present application further provides a medical instrument, which comprises a power supply, a control device, a connector and a medical device, one end of the connector is connected with the power supply or the control device, the other end of the connector is connected with the medical device to transmit current or signals, and the connector adopts any one of the above connectors.

[0021] Compared with the prior art, the embodiment of the present application has the following beneficial effects:

[0022] The plug assembly comprising the pin seat and the pin is arranged, the separating grooves are arranged on the wiring end, the pin is arranged in the plug end, one end of the pin is arranged in the separating groove, the pin in each separating groove is spaced from the pins in the remaining separating grooves, the creepage distance and the electrical clearance between the pins are effectively increased during the electrical connection, the connector comprising the male plug assembly and the female plug assembly is arranged, the first pin is arranged in the male plug assembly, the first plug end and the first wiring end are arranged at both ends of the first pin seat of the male plug assembly, the two ends of the first pin are separated by the insertion tube of the first plug end and the first separating groove of the first wiring end, the creepage distance and the electrical clearance of the first pin are increased, the second pin is arranged in the female plug assembly, the second plug end and the second wiring end are arranged at both ends of the second pin seat of the female plug assembly, the two ends of the second pin are separated by the insertion hole of the second plug end and the second separating groove of the second wiring end, the creepage distance and the electrical clearance of the second pin are increased, and the creepage distance and the electrical clearance of the pins in the male plug assembly and the female plug assembly are effectively increased to improve the safety of the device during work. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the scheme in the present application, the following will make a brief introduction to the drawings needed to be used in the embodiment description. Obviously, the drawings described in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative labor on the basis of these drawings.

[0024] Figure 1 Structure diagram of the plug assembly of the embodiment of the present application;

[0025] Figure 2 Structure diagram of the male plug assembly and the female plug assembly of the connector of the embodiment of the present application;

[0026] Figure 3 Exploded structure diagram of the male plug assembly and the female plug assembly of the connector of the embodiment of the present application;

[0027] Figure 4 Structure diagram of the male plug assembly of the connector of the embodiment of the present application;

[0028] Figure 5 Structure diagram of the female plug assembly of the connector of the embodiment of the present application;

[0029] Figure 6 Exploded structure diagram of the housing assembly of the connector of the embodiment of the present application;

[0030] Figure 7 Sectional view diagram of the male plug assembly of the connector of the embodiment of the present application along the central axis of the plug tube;

[0031] Figure 8 Sectional view diagram of the female plug assembly of the connector of the embodiment of the present application along the central axis of the plug hole;

[0032] Figure 9 Distribution diagram of the plug tube of the first plug end of the connector of the embodiment of the present application;

[0033] Figure 10 Distribution diagram of the plug hole of the second plug end of the connector of the embodiment of the present application;

[0034] Plug pin seat a, plug pin b, plug end c, wiring end d, separation groove e, male plug assembly 1, female plug assembly 2, cross convex rib 3, first plug pin seat 11, first plug pin 12, shell assembly 13, first positioning piece 14, second plug pin seat 21, second plug pin 22, second outer shell 23, locking piece 24, second positioning piece 25, isolation wall 31, first plug end 111, first wiring end 112, first limiting part 121, first positioning part 122, first outer shell 131, main shell 132, tail shell 133, second plug end 211, second wiring end 212, second limiting part 221, second positioning part 222, plug tube 111a, first separation groove 112a, first limiting groove 111b, special-shaped tube 111c, clamping hole 131a, clamping piece 132a, plug hole 211a, second separation groove 212a, second limiting groove 211b, special-shaped hole 211c. DETAILED DESCRIPTION

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the present application will be described with reference to the drawings and detailed description which follows, and by way of non-limiting examples; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising", "comprises" and "comprised of" as used herein are synonymous with "including", "includes" or "containing", "contains", and are inclusive or open-ended and do not exclude additional, unrecited elements or method steps; the terms "first", "second" and "third" are used to describe different objects and do not imply a particular order or sequence unless otherwise specified.

[0036] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive or alternative embodiments. It is expressly understood that the embodiments described herein are merely examples from a whole class of comparable embodiments which those skilled in the art will readily appreciate. It is also expressly understood that the description herein and the claims that follow are intended to cover all such variations as will become apparent to those in the art to which this application is related.

[0037] Reference Figure 1 The plug assembly comprises a plug pin seat a and a plug pin b.

[0038] The plug pin seat a comprises a plug end c and a wiring end d, the wiring end d is provided with a separation groove e, the plug pin b is arranged in the plug end c, and one end of the plug pin b is arranged in the separation groove e; the plug pin b in each separation groove e is spaced from the plug pin b in the other separation groove e.

[0039] The embodiment can effectively increase the creepage distance and electrical clearance between the plug pins b by arranging the plug assembly comprising the plug pin seat a and the plug pin b.

[0040] ReferenceFigures 2 to 5 The connector of the application comprises a male plug assembly 1 and a female plug assembly 2.

[0041] The male plug assembly 1 comprises a first pin seat 11 and a first pin 12, the first pin seat 11 is provided with a first plug end 111 and a first wiring end 112 at two ends respectively, the first plug end 111 comprises a plurality of plug tubes 111a, the first wiring end 112 comprises a plurality of first separation grooves 112a corresponding to the plug tubes 111a, and the first pin 12 is arranged in the plug tubes 111a and one end is arranged in the first separation grooves 112a.

[0042] The female plug assembly 2 comprises a second pin seat 21 and a second pin 22, the second pin seat 21 is provided with a second plug end 211 and a second wiring end 212 at two ends respectively, the second plug end 211 comprises a plurality of plug holes 211a corresponding to the plug tubes 111a, the second wiring end 212 comprises a plurality of second separation grooves 212a corresponding to the plug holes 211a, and the second pin 22 is arranged in the plug holes 211a and one end is arranged in the second separation grooves 212a.

[0043] When the first plug end 111 of the male plug assembly 1 is correspondingly plugged with the second plug end 211 of the female plug assembly 2, the first pin 12 and the second pin 22 are connected.

[0044] In this embodiment, the first pin 12 is connected with a first electric connection line at the first wiring end 112, the first electric connection line is connected with a power supply or a control device connected with the male plug assembly 1, the second pin 22 is connected with a second electric connection line at the second wiring end 212, the second electric connection line is connected with a medical device connected with the female plug assembly 2, the power supply or the control device is connected to the medical device through the first electric connection line, the first pin 12, the second pin 22 and the second electric connection line, and when the power supply or the control device and the medical device do not need to be connected, the male plug assembly 1 or the female plug assembly 2 can be pulled out to disconnect the power supply or the control device and the medical device.

[0045] The embodiment sets the connector including the male plug assembly 1 and the female plug assembly 2, sets the first pin 12 in the male plug assembly 1, sets the first plug end 111 and the first wiring end 112 at both ends of the first pin seat 11 of the male plug assembly 1, separates the plurality of first pins 12 through the plug pipe 111a of the first plug end 111 and the first separation groove 112a of the first wiring end 112, thereby increasing the creepage distance and the electrical clearance of the first pin 12, and the second pin 22 is set in the female plug assembly 2, the second plug end 211 and the second wiring end 212 are set at both ends of the second pin seat 21 of the female plug assembly 2, and the plurality of second pins 22 are separated through the plug hole 211a of the second plug end 211 and the second separation groove 212a of the second wiring end 212, so as to increase the creepage distance and the electrical clearance of the second pin 22, and the embodiment can effectively increase the creepage distance and the electrical clearance of the first pin 12 and the second pin 22, so as to improve the safety of the device during work.

[0046] In an optional embodiment of the embodiment, referring to Figure 4 With Figure 5 The first wiring end 112 and the second wiring end 212 are both provided with a cross rib 3 extending in the axial direction, the cross rib 3 includes a plurality of isolation walls 31 arranged perpendicularly to each other, and the first separation groove 112a and the second separation groove 212a are both formed between adjacent isolation walls 31.

[0047] In the embodiment, the cross rib 3 is provided with four isolation walls 31 extending in different directions in the horizontal plane, and the included angle between adjacent isolation walls 31 is 90 degrees, that is, the isolation wall 31 is perpendicular to the adjacent isolation wall 31. Since the isolation wall 31 has a predetermined length and width, an angularly perpendicular groove is formed between the isolation wall 31 and the adjacent isolation wall 31. The seat body of the first pin seat 11 or the seat body of the second pin seat 21 forms a pin outlet surface towards one side of the cross rib 3. The pin outlet surface is provided with a pin outlet hole corresponding to each first separation groove 112a and second separation groove 212a. The first pin 12 or the second pin 22 passes through the pin outlet hole on the pin outlet surface and is placed in the first separation groove 112a and the second separation groove 212a. The length of the first pin 12 or the second pin 22 passing through the pin outlet hole is less than the length of the first separation groove 112a or the second separation groove 212a in the axial direction. In specific implementation, each first separation groove 112a corresponds to one first pin 12, and each second separation groove 212a corresponds to one second pin 22. If it is necessary to adjust the creepage distance or the electrical clearance between the first pin 12 or the second pin 22, the size or shape of the cross rib 3 can be adjusted, or the position of the pin outlet surface relative to the cross rib 3 can be adjusted.

[0048] The first and second pins 12 and 22 are effectively separated at the first and second connecting ends 112 and 212, respectively, to increase the creepage distance and electrical clearance of the first and second pins 12 and 22 at the first and second connecting ends 112 and 212, respectively.

[0049] In another optional embodiment of the present embodiment, referring to Figure 4 and Figure 7 The first pin 12 is provided with a first limiting portion 121 and a first positioning portion 122, and the inner portion of the insertion tube 111a is provided with a first limiting groove 111b corresponding to the first limiting portion 121. The first limiting groove 111b and the first limiting portion 121 abut to form a limiting, and the first positioning portion 122 and the inner passage of the insertion tube 111a are in interference fit to form a fixation.

[0050] In the present embodiment, the first pin 12 includes a thicker section and a thinner section, and is composed of two sections. When the first pin 12 is inserted into the first pin seat 11, the thicker section is close to the first plug end 111, and the thinner section is close to the first connecting end 112. The first pin seat 11 is provided with an installation passage corresponding to the first pin 12. The first limiting groove 111b is provided at a predetermined position on the installation passage. The first limiting portion 121 is formed at the connection between the thicker section of the first pin 12 and the thinner section of the first pin 12. The first limiting groove 111b is adapted to the first limiting portion 121. The first positioning portion 122 is a guide protrusion provided on the thinner section of the first pin 12. The guide protrusion has a guide inclined surface, which is provided towards the first connecting end 112. The first pin 12 is inserted into the first pin seat 11 from the first plug end 111 to the first connecting end 112. The first limiting portion 121 and the first limiting groove 111b abut to form an axial limiting, and the first positioning portion 122 and the inner wall of the passage of the insertion tube 111a are in interference fit to form a fixation.

[0051] The first limiting part 121 and the first positioning part 122 are arranged on the first pin 12, and the first limiting groove 111b corresponding to the first limiting part 121 is arranged inside the insertion tube 111a, so that the first pin 12 is axially limited by the abutment of the first limiting part 121 and the first limiting groove 111b, and the position of the first pin 12 is effectively fixed by the interference fit between the first positioning part 122 and the internal passage of the insertion tube 111a.

[0052] In another optional embodiment of the present embodiment, referring to Figure 5 and Figure 8 , the second limiting part 221 and the second positioning part 222 are arranged on the second pin 22, the second limiting groove 211b corresponding to the second limiting part 221 is arranged inside the insertion hole 211a, the second limiting groove 211b and the second limiting part 221 abut to form a limit, and the second positioning part 222 and the internal passage of the insertion hole 211a form an interference fit to form a fixation.

[0053] In the present embodiment, unlike the first pin 12, the second pin 22 also has another thin segment, and the second pin 22 is connected in sequence by thin segment-thick segment-thin segment, wherein, when the second pin 22 is inserted into the second pin seat 21, the thinner segment is close to the second plug end 211, the other thinner segment is provided with the second positioning part 222, the thinner segment provided with the second positioning part 222 is close to the second wiring end 212, the thicker segment of the second pin 22 is located at the middle position of the second pin seat 21, the second pin seat 21 is provided with an installation passage matched with the second pin 22, the second limiting groove 211b is arranged at the middle position of the installation passage, and the second limiting part 221 is formed at the connection between the thicker segment of the second pin 22 and the thinner segment of the first pin 12, wherein, unlike the first limiting part 121, the thicker segment of the second pin 22 is arranged at the middle position of the second pin 22, the second limiting groove 211b is correspondingly arranged at the middle position of the internal passage of the insertion hole 211a, and the side of the second limiting part 221 and the second limiting groove 211b abutting each other is close to the second wiring end 212; the second positioning part 222 is a guide protrusion arranged on the thinner segment of the second pin 22, specifically, the second positioning part 222 is arranged on the thinner segment of the second pin 22 close to the second wiring end 212, the guide protrusion has a guide inclined surface, the guide inclined surface is arranged towards the side of the second wiring end 212, and the second pin 22 is inserted into the second pin seat 21 from the direction of the second plug end 211 to the second wiring end 212, axially limited by the abutment of the second limiting part 221 and the second limiting groove 211b, and fixed by the interference fit between the second positioning part 222 and the internal passage of the insertion hole 211a.

[0054] The second limiting portion 221 and the second positioning portion 222 are arranged on the second pin 22, and the second limiting groove 211b corresponding to the second limiting portion 221 is arranged inside the insertion hole 211a, so that the second pin 22 is axially limited by the abutment of the second limiting portion 221 and the second limiting groove 211b, and the position of the second pin 22 is effectively fixed by the interference fit between the second positioning portion 222 and the internal passage of the insertion hole 211a.

[0055] In another optional embodiment of the present embodiment, referring to Figures 3 to 5 and Figure 9 and Figure 10 , the insertion tubes 111a are arranged at intervals, the positions of the insertion holes 211a correspond to the positions of the insertion tubes 111a, and the outer diameter of the insertion tubes 111a corresponds to the inner diameter of the insertion holes 211a.

[0056] In the present embodiment, the insertion tubes 111a are at least four, the number of the first pins 12 corresponds to the arrangement of the insertion tubes 111a, and the insertion tubes 111a are arranged in a matrix at a predetermined interval. In the present embodiment, the predetermined interval between the insertion tubes 111a is 2 mm, which can be correspondingly arranged according to actual conditions. The axis of the insertion hole 211a is coaxial with the axis of the insertion tube 111a. The outer diameter of the insertion tube 111a refers to the diameter corresponding to the outer circumference of the insertion tube 111a. The inner diameter of the insertion hole 211a refers to the diameter corresponding to the cross-sectional circle of the insertion hole 211a. The outer diameter of the insertion tube 111a and the inner diameter of the insertion hole 211a are matched to facilitate the insertion of the insertion tube 111a into the insertion hole 211a. In the present embodiment, the inner hole wall of the insertion hole 211a on the side facing the insertion tube 111a is spaced apart from the second pin 22. The spacing distance between the second pin 22 and the inner hole wall of the insertion hole 211a is greater than or equal to the thickness of the tube wall of the insertion tube 111a. In specific implementation, if it is necessary to adjust the creepage distance or electrical clearance between the first pin 12 or the second pin 22, the installation position depth of the first pin 12 and the second pin 22 in the insertion tube 111a and the insertion hole 211a can be adjusted to achieve the purpose.

[0057] The insertion tubes 111a are arranged at intervals between each other, and the positions of the insertion holes 211a correspond to the positions of the insertion tubes 111a, so that the plurality of first pins 12 and second pins 22 are effectively separated on the first plug end 111 and the second plug end 211 to respectively increase the creepage distance and electrical clearance between the first pins 12 and the second pins 22. The inner diameter of the insertion hole 211a is arranged to match the outer diameter of the insertion tube 111a, so that the insertion tube 111a can be effectively inserted into the insertion hole 211a, and the first pin 12 and the second pin 22 can be connected to transmit current or signal.

[0058] In another optional embodiment of the present embodiment, at least one of the insertion tubes 111a is a special-shaped tube 111c, and the special-shaped tube 111c is asymmetrically arranged with respect to at least one longitudinal section passing through the center of the insertion tube 111a and the center of the first terminal end 112, and the insertion hole 211a is provided with a corresponding special-shaped hole 211c corresponding to the special-shaped tube 111c, and the number of the special-shaped hole 211c corresponds to the number of the special-shaped tube 111c.

[0059] In the present embodiment, the cross sections of the insertion tube 111a and the insertion hole 211a are circular, and the cross sections of the special-shaped tube 111c and the special-shaped hole 211c are irregular shapes, which can be irregular polygons, ellipses, or irregular shapes composed of curved surfaces and planes. In the present embodiment, the cross sections of the special-shaped tube 111c and the special-shaped hole 211c are irregular shapes composed of curved surfaces and planes, and the positions and numbers of the special-shaped tube 111c correspond to the positions and numbers of the special-shaped hole 211c.

[0060] The present embodiment can effectively correspond to the positions of each insertion tube 111a and insertion hole 211a when the insertion tube 111a and the insertion hole 211a are inserted, so as to prevent the insertion tube 111a and the insertion hole 211a from being inserted incorrectly, thereby affecting the effective connection of the male plug assembly 1 and the female plug assembly 2, and effectively improving the accuracy of the device.

[0061] In another optional embodiment of the present embodiment, the male plug assembly 1 further comprises a housing assembly 13 and a first positioning member 14, the first insertion pin 12 is fixed in the first insertion pin seat 11, the first terminal end 112 of the first insertion pin seat 11 is inserted into the first positioning member 14 to form a circumferential fixation, and the first positioning member 14 is interference-fitted in the inside of the housing assembly 13.

[0062] In the present embodiment, when the first positioning member 14 is installed in the inside of the housing assembly 13, the outer side surface of the first positioning member 14 abuts against the inner side wall of the housing assembly 13 to form an interference fit, and the inside of the first positioning member 14 is provided with a first positioning hole, and the first terminal end 112 of the first insertion pin seat 11 is inserted into the first positioning hole to form an interference fit.

[0063] The first pin 12 is fixed in the first pin seat 11 by setting the shell assembly 13 and the first positioning member 14, the first wiring end 112 of the first pin seat 11 is inserted into the first positioning member 14 to form fixation, and finally the first positioning member 14 is interference fitted into the shell assembly 13 to form fixation, so that the first pin seat 11 and the first positioning member 14 are effectively fixed, the loosening between the first pin seat 11, the first positioning member 14 and the shell assembly 13 due to vibration or shaking is prevented, and the stability of the device is effectively improved.

[0064] In another optional embodiment of the embodiment, referring to Figure 6 , the shell assembly 13 comprises a first outer shell 131, a main shell 132 and a tail shell 133, the main shell 132 is provided with a clamping member 132a, the first outer shell 131 is provided with a clamping hole 131a corresponding to the clamping member 132a, the clamping member 132a and the clamping hole 131a are clamped to fix the first outer shell 131 outside the main shell 132, and the end of the main shell 132 away from the first outer shell 131 is screw-connected with the tail shell 133 to form fixation.

[0065] In the embodiment, the clamping member 132a is a clamping protrusion which is formed by outwardly protruding from the side wall of one end of the main shell 132, the clamping protrusions are uniformly distributed on the outer circumference of the main shell 132, the shape and position of the clamping hole 131a on the first outer shell 131 correspond to the shape and position of the clamping protrusions; in the embodiment, the outer side of the first outer shell 131 is further provided with a textured surface to increase the friction of the male plug assembly 1 when being pulled out, the first positioning member 14 is installed in the shell assembly 13 close to the tail shell 133, the end of the main shell 132 away from the first outer shell 131 is provided with a first threaded part, the inside of the tail shell 133 is provided with a second threaded part corresponding to the first threaded part, and the first threaded part and the second threaded part are screw-connected correspondingly to connect and fix the main shell 132 and the tail shell 133.

[0066] The shell assembly 13 comprising the first outer shell 131, the main shell 132 and the tail shell 133 is set in the embodiment, the clamping hole 131a is set on the first outer shell 131, and the clamping member 132a corresponding to the clamping hole 131a is set on the main shell 132, so that the first outer shell 131 and the main shell 132 are effectively fixed by the clamping member 132a and the clamping hole 131a, and the tail shell 133 is fixed at the end of the main shell 132 away from the first outer shell 131 by screwing the main shell 132 and the tail shell 133, so that the relative positions between the first outer shell 131 and the tail shell 133 and the main shell 132 are effectively prevented from deviating due to vibration or shaking, and the assembly of the shell assembly 13 is facilitated.

[0067] In another optional embodiment of the present embodiment, the female connector assembly 2 further comprises a second housing 23, a locking member 24 and a second positioning member 25, the locking member 24 is screwed and fixed on the outer side of the second housing 23, the second pin seat 21 is inserted into the second positioning member 25 through the second plug end 211, and the second positioning member 25 is interference fitted in the second housing 23 to form a fixed connection.

[0068] In the present embodiment, the locking member 24 comprises a locking washer and a nut, the outer side of the second housing 23 is provided with a third threaded portion, the locking washer and the nut are locked on the third threaded portion to realize the fixation of the locking member 24 and the second housing 23, the second positioning member 25 is provided with a second positioning hole, the second pin seat 21 is inserted into the second positioning hole through the second plug end 211 to realize the effective fixation of the second positioning member 25 and the second pin seat 21, and the second positioning member 25 is interference fitted with the inner side wall of the second housing 23 through the knurled layer on the outer side of the second positioning member 25 to realize the effective fixation of the second positioning member 25 and the second housing 23. In specific implementation, the knurled layer can also be arranged on the outer side of the second positioning member 25 to increase the friction between the second positioning member 25 and the second housing 23, so as to enhance the stability of the second positioning member 25 during positioning.

[0069] The present embodiment realizes the position fixation among the second housing 23, the locking member 24 and the second positioning member 25 by arranging the second housing 23, the locking member 24 and the second positioning member, screwing and fixing the locking member on the outer side of the second housing 23, and inserting the second pin seat 21 into the second positioning member 25 for fixation, and interference fitting the outer side of the second positioning member 25 with the inner side wall of the second housing 23, so as to prevent the loosening among the second housing 23, the locking member 24 and the second positioning member 25 due to vibration or shaking, and effectively improve the stability of the device.

[0070] The present application also provides a medical instrument, which comprises a power supply, a control device, a connector and a medical device, one end of the connector is connected with the power supply or the control device, the other end of the connector is connected with the medical device to transmit current or signal, and the connector adopts any one of the connectors described above.

[0071] The medical instrument of the present embodiment can effectively increase the creepage distance and electrical clearance of the pins in the male connector assembly and the female connector assembly by adopting the connector described in any one of the above, so as to improve the safety of the device during operation.

[0072] Obviously, the above-described embodiments are only some embodiments but not all the embodiments of the present application, the preferred embodiments of the present application are shown in the drawings, but do not limit the patent scope of the present application. The present application can be implemented in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent replacements to some technical features therein. Any equivalent structure made by using the content of the specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A plug assembly, characterized by The plug assembly comprises a pin seat and a pin; The pin seat comprises a plug end and a wiring end, the wiring end is provided with a partition groove, the pin is arranged in the plug end, and one end of the pin is arranged in the partition groove, and the pin in each partition groove is spaced from the pins in the other partition grooves.

2. A connector characterized by comprising: The connector comprises a male plug assembly and a female plug assembly; The male plug assembly comprises a first pin seat and a first pin, two ends of the first pin seat are respectively provided with a first plug end and a first wiring end, the first plug end comprises a plurality of plug tubes, the first wiring end comprises a plurality of first partition grooves in communication with the plug tubes, the first pin is arranged in the plug tube and one end of the first pin is arranged in the first partition groove; The female plug assembly comprises a second pin seat and a second pin, two ends of the second pin seat are respectively provided with a second plug end and a second wiring end, the second plug end comprises a plurality of plug holes corresponding to the plug tubes, the second wiring end comprises a plurality of second partition grooves in communication with the plug holes, the second pin is arranged in the plug hole and one end of the second pin is arranged in the second partition groove; When the first plug end of the male plug assembly is correspondingly plugged with the second plug end of the female plug assembly, the first pin and the second pin are connected.

3. The connector of claim 2, wherein The first wiring end and the second wiring end are provided with a cross-shaped convex rib extending in the axial direction, the cross-shaped convex rib comprises a plurality of isolation walls arranged perpendicular to each other, and the first partition groove and the second partition groove are formed between adjacent isolation walls.

4. The connector of claim 3, wherein The first pin is provided with a first limiting part and a first positioning part, the inside of the plug tube is provided with a first limiting groove corresponding to the first limiting part, the first limiting groove and the first limiting part abut to form a limiting part, and the first positioning part and the inside channel of the plug tube are in interference fit to form a fixed part. The second pin is provided with a second limiting part and a second positioning part, the inside of the plug hole is provided with a second limiting groove corresponding to the second limiting part, the second limiting groove and the second limiting part abut to form a limiting part, and the second positioning part and the inside channel of the plug hole are in interference fit to form a fixed part.

5. The connector of claim 4, wherein, The plug tubes are arranged at intervals, the positions of the plug holes correspond to the positions of the plug tubes, and the outer diameter of the plug tube corresponds to the inner diameter of the plug hole.

6. The connector of any one of claims 2-5, wherein, At least one of the plug tubes is a special-shaped tube, and the special-shaped tube is asymmetrically arranged with respect to at least one longitudinal section passing through the center of the plug tube and the center of the first wiring end, the plug hole corresponding to the special-shaped tube is provided with a matching special-shaped hole, and the number of special-shaped holes corresponds to the number of special-shaped tubes.

7. The connector of claim 2, wherein The male plug assembly further comprises a shell assembly and a first positioning part, the first pin is fixed in the first pin seat, the first wiring end of the first pin seat is inserted into the first positioning part to form a circumferential fixation, and the first positioning part is interference fitted in the inside of the shell assembly.

8. The connector of claim 7, wherein, The shell assembly comprises a first outer shell, a main shell and a tail shell, the main shell is provided with a clamping piece, the first outer shell is provided with a clamping hole corresponding to the clamping piece, the clamping piece and the clamping hole are clamped to fix the first outer shell outside the main shell, and the end of the main shell away from the first outer shell is screw-connected with the tail shell to form fixation.

9. The connector of claim 2, wherein, The female plug assembly further comprises a second outer shell, a locking piece and a second positioning piece, the locking piece is screw-fixed on the outer side surface of the second outer shell, the second pin seat is inserted into the second positioning piece through the second plug end, and the second positioning piece is interference-installed inside the second outer shell to form fixation.

10. A medical device, comprising: The medical instrument comprises a power supply, a control device, a connector and a medical device, one end of the connector is connected with the power supply or the control device, the other end of the connector is connected with the medical device, current or signal transmission is conducted, and the connector is the connector in any one of claims 2 to 9.

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