CN211377109U

CN211377109U - Connector head, connector seat and connector

Info

Publication number: CN211377109U
Application number: CN201922047865.4U
Authority: CN
Inventors: 李思华; 张桂生; 曾娅娟
Original assignee: Taixing Linghang Electric Connector Co ltd; Tangzhi Science & Technology Hunan Development Co ltd
Current assignee: Taixing Linghang Electric Connector Co ltd; Tangzhi Science & Technology Hunan Development Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-28
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a connector head, including plug body, protecting wire cover, line ball subassembly and locking Assembly, protecting wire cover overlaps in the cable conductor periphery, and in line ball subassembly located protecting wire cover, locking Assembly detachably cover located protecting wire cover tip, when screwing up locking Assembly along the axial, locking Assembly extrudees line ball subassembly, makes line ball subassembly press from both sides tight cable conductor, guarantees that the cable conductor reliably links to each other with the plug body, prevents that the cable conductor is because of radial external force and plug body disconnection, current or signal transmission between external interference plug body and the cable conductor simultaneously. The wire pressing assembly can compress the cable, and the connection between the cable and the plug body is prevented from being broken by the axial force. Therefore, the connector head provided by the utility model has higher connection reliability. The utility model discloses still disclose a connector seat with above-mentioned connector head matched with. The utility model discloses still disclose a connector that contains above-mentioned connector head and above-mentioned connector seat simultaneously.

Description

Connector head, connector seat and connector

Technical Field

The utility model relates to the field of communication technology, in particular to connector head. The utility model discloses still relate to a connector seat with connector head matched with. The utility model also relates to a connector simultaneously contains connector head and connector seat.

Background

Connector heads are commonly used to connect two active devices for current and signal transmission, and are widely used in various fields. The quality of the connector head determines the reliability of the current and signal transmission, and therefore, it is necessary to improve the structure of the connector head.

The existing connector head comprises a connector head and a connector seat, wherein a male end contact pin is arranged in the connector head and is connected with a cable, and when the male end contact pin is abutted to a female end contact pin, current and signals can be transmitted. However, an effective protection structure is lacked between the existing connector head and the cable, so that the cable is easily broken by external force or corroded by the outside in the using process, and the connection between the connector head and the cable is unreliable, thereby affecting the connection reliability of the connector head. Therefore, the connection reliability of the existing connector head is relatively poor.

Accordingly, the connector holder to be fitted with the connector head and the connector including both the connector head and the connector holder have a problem of poor connection reliability.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a connector head, wire sheath and line ball subassembly homoenergetic prevent cable conductor and plug body disconnection, and the connection reliability is higher. Another object of the present invention is to provide a connector seat matched with the connector head and a connector including both the connector head and the connector seat, which can improve the connection reliability of the connector seat and the connector due to the improvement of the connector head structure.

The specific scheme is as follows:

the utility model provides a connector head, include:

a plug body;

the wire protecting sleeve is fixedly connected with one end of the plug body and is sleeved on the periphery of the cable;

the wire pressing assembly is arranged in the wire protecting sleeve;

detachably cover is located the wire sheath tip and is used for along the axial extrusion line ball subassembly make the locking Assembly that line ball subassembly pressed from both sides tight cable conductor.

Preferably, the insulation isolation sleeve is arranged between the plug body and the wire protection sleeve and used for being sleeved on the periphery of the cable to isolate the plug body from the wire protection sleeve in an insulation mode.

Preferably, the plug further comprises a wire protection sealing element which is arranged between the plug body and the wire protection sleeve and is used for sealing a gap between the plug body and the wire protection sleeve.

Preferably, the locking assembly comprises a nipple having an abutment ring, and the crimping assembly comprises:

the elastic sleeve is arranged in the wire protecting sleeve, and the end part of the elastic sleeve is abutted against the wire protecting sleeve;

the pressing sleeve is abutted between the elastic sleeve and the abutting ring, and the abutting ring extrudes the elastic sleeve along the axial direction through the pressing sleeve so that the elastic sleeve clamps the cable by means of elastic deformation.

Preferably, the locking assembly further comprises a connecting pipe structure which is arranged at one end, far away from the plug body, of the wire protecting sleeve, fixedly connected with the abutting ring and used for being connected with the corrugated pipe in a matched mode.

Preferably, the locking assembly further comprises:

the locking sleeve is arranged in the connecting pipe structure and is provided with a clamping ring for clamping the corrugated pipe;

the fixing sleeve is sleeved on the connecting pipe structure, abuts against the clamping ring and is used for limiting the locking sleeve to move along the axial direction.

Preferably, the plug body includes plug housing, a plurality of public end contact pins and cladding in public end contact pin periphery and set firmly in plug housing, be used for insulating the plug insulator who separates arbitrary two adjacent public end contact pins.

The utility model also provides a connector seat, use with the cooperation of the connector head of above-mentioned arbitrary, including socket shell and a plurality of female end contact pin, still include the cladding in female end contact pin periphery and set firmly in socket shell, be used for insulating the socket insulator that separates two arbitrary adjacent female end contact pins.

Preferably, female end contact pin includes at least two, and whole female end contact pins form and are used for linking firmly the joint welding cup that switches on with the circuit board butt, and the maximum width less than or equal to circuit board thickness of joint welding cup.

Preferably, the creepage distance between one end of any one female-end contact pin close to the clamping welding cup and the inner wall of the socket shell is more than or equal to 4 mm.

Preferably, one end of the socket insulator, which is far away from the plug body, is connected with the socket shell through insulating fixing glue.

Preferably, the abutting sealing ring is arranged between one end, close to the plug body, of the socket insulator and the socket shell.

Preferably, an indication bulge for displaying the position of the socket shell is arranged in the cavity of the socket shell so as to provide a positioning reference for the installation of the plug body.

Preferably, the periphery of the socket housing is symmetrically provided with clamping planes for clamping with the wrench.

The utility model also provides a connector, including above-mentioned connector head and above-mentioned connector seat, the butt joint intercommunication of connector head and connector seat.

Preferably, the plug further comprises a limiting sleeve fixedly sleeved on the periphery of the plug body and used for limiting the position of the connector seat.

Preferably, the limiting sleeve is provided with an outer limiting groove fixedly connected with the outer peripheral surface of the socket shell so as to limit the movement of the socket shell, and the plug insulator is provided with an inner limiting groove abutted against the socket insulator so as to limit the position of the socket insulator.

Preferably, the plug sealing element is arranged in the position limiting sleeve and is respectively abutted against the plug shell and the socket shell so as to seal a gap between the plug shell and the socket shell.

For the background art, the utility model provides a connector head includes plug body, wire sheath, line ball subassembly and locking Assembly.

Wherein, the protecting wire cover is overlapped in the cable conductor periphery, and the line ball subassembly is located in the protecting wire cover, and the protecting wire cover tip is located to locking Assembly detachably cover, when screwing up locking Assembly along the axial, and locking Assembly extrudes the line ball subassembly, makes the line ball subassembly press from both sides tight cable conductor to guarantee that cable conductor and plug body reliably link to each other, prevent that the cable conductor from because of radial external force and plug body disconnection, prevent simultaneously that external conductors such as water from disturbing the electric current or signal transmission between plug body and the cable conductor, connect the reliability and promote to some extent. Furthermore, the line pressing assembly is arranged in the line protecting sleeve and can compress the cable, so that the connection between the cable and the plug body is prevented from being broken by the axial force, and the connection reliability is further improved. Therefore, the connector head provided by the utility model has higher connection reliability.

The utility model provides a connector seat and the connector that contains above-mentioned connector head and connector seat simultaneously that use with the cooperation of above-mentioned connector head have the same beneficial effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a block diagram of a connector head provided in an embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 2;

fig. 4 is a block diagram of a connector head for connecting corrugated tubing according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of FIG. 4;

FIG. 6 is an exploded view of FIG. 4;

FIG. 7 is a cross-sectional view of FIG. 6;

fig. 8 is a block diagram of a connector holder according to an embodiment of the present invention;

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a cross-sectional structural view of FIG. 9;

fig. 11 is a diagram showing a state of connection of the connector holder to the circuit board.

The reference numbers are as follows:

the plug comprises a plug body 1, a wire protecting sleeve 2, a wire pressing assembly 3, a locking assembly 4, an insulating spacer 5, a wire protecting sealing element 6, a limiting sleeve 8, a plug sealing element 9 and a circuit board 10;

the plug comprises a plug shell 11, a male end pin 12 and a plug insulator 13;

an inner limiting groove 131;

abutment boss 21

An elastic sleeve 31 and a pressing sleeve 32;

a connecting sleeve 41, a locking sleeve 42 and a locking nut 43;

an abutment ring 411 and a connecting tube structure 412;

a snap ring 421;

the socket comprises a socket shell 71, a female end pin 72, a socket insulator 73, an annular separation groove 74 and an abutting sealing ring 75;

an indication protrusion 711 and a chucking plane 712;

an outer limiting groove 81.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, fig. 1 is a structural diagram of a connector head according to an embodiment of the present invention; FIG. 2 is a front view of FIG. 1; fig. 3 is a sectional view of fig. 2.

The embodiment of the utility model discloses connector head, including plug body 1, wire sheath 2, line ball subassembly 3 and locking Assembly 4.

The plug body 1 includes a plug housing 11, a plurality of male pins 12, and a plug insulator 13. The plug housing 11 is preferably made of 2a12 hard aluminum alloy, so that the plug housing 11 has a light structure and good salt spray resistance. The plurality of male terminal pins 12 are capable of conducting current and signals, and specifically include three male terminal pins 12. The plug insulator 13 is fixedly arranged in the plug shell 11, the plug insulator 13 is wrapped on the periphery of each male end pin 12, the plug insulator 13 is preferably made of PPS (polyphenylene sulfide) insulating material, so that the plug insulator 13 can insulate and separate any two adjacent male end pins 12, at least AC1500V voltage resistance can be realized between any two adjacent male end pins 12, at least AC4000V voltage resistance can be realized between the male end pins 12 and the plug shell 11, and the safety and the connection reliability of the plug body 1 are improved.

The protecting wire sleeve 2 is fixedly connected to one end of the plug body 1 and used for being sleeved on the periphery of a cable, and in the specific embodiment, the protecting wire sleeve 2 is made of 2A12 hard aluminum alloy materials, so that the protecting wire sleeve 2 has the advantages of light structure, good salt mist resistance and the like. The wire sheath 2 is connected with the plug housing 11 by screw threads, but is not limited thereto.

Further, the line pressing component 3 is arranged in the line protecting sleeve 2, correspondingly, the line protecting sleeve 2 is internally provided with a butt boss 21 which is abutted against the line pressing component 3, and the line pressing component 3 is limited to move axially. Wire pressing assembly 3 is sleeved on the periphery of the cable for pressing the cable tightly. The wire pressing component 3 compresses the cable by radial force, so that the connection between the cable and the plug body 1 is prevented from being broken by axial force, and the connection reliability is further improved.

Locking Assembly 4 locates the one end that plug body 1 was kept away from to protect line cover 2, the tip of protect line cover 2 is located to detachably cover, when screwing up locking Assembly 4 along the axial, locking Assembly 4 extrudes line ball subassembly 3, make line ball subassembly 3 press from both sides tight cable conductor, make cable conductor and plug body 1 reliably link to each other, guarantee that cable conductor and plug body 1 reliably link to each other, prevent that the cable conductor from because of radial external force and plug body 1 disconnection, prevent external conductors such as water simultaneously and disturb electric current or the stable transmission of signal between plug body 1 and the cable conductor, it promotes to connect the reliability to some extent.

As described above, the connector head according to the present invention has high connection reliability.

The utility model discloses still including the insulating spacer 5 of locating between plug body 1 and the protecting wire cover 2, insulating spacer 5 overlaps in the cable conductor periphery, can prevent protecting wire cover 2 wearing and tearing cable conductor to a certain extent. The key point is that the insulating spacer 5 can insulate and separate the plug body 1 and the wire sheath 2, and the air creepage distance between the male end pin 12 and the wire sheath 2 is increased, so that at least AC4000V voltage resistance can be realized between the male end pin 12 and the wire sheath 2, and the safety and the connection reliability of the plug body 1 are further improved. The insulating spacer 5 is made of an insulating material, and is not particularly limited herein.

The utility model discloses still including locating the protect line sealing member 6 between plug body 1 and the protect line cover 2 to the gap between sealed plug body 1 and the protect line cover 2 makes the connector head have good waterproof performance. In this embodiment, the wire protecting seal 6 is specifically an O-ring rubber seal, and the inner side and the outer side of the wire protecting seal 6 respectively abut against the plug housing 11 and the wire protecting sleeve 2, so as to perform a good sealing function, but the type of the wire protecting seal 6 is not limited thereto.

Referring to fig. 4 to 7, fig. 4 is a structural diagram of a connector head for connecting a corrugated pipe according to an embodiment of the present invention; FIG. 5 is a cross-sectional view of FIG. 4; FIG. 6 is an exploded view of FIG. 4; fig. 7 is a sectional structure view of fig. 6.

The locking assembly 4 comprises a connecting sleeve 41 with an abutting ring 411, and correspondingly, the wire pressing assembly 3 comprises an elastic sleeve 31 and a pressing sleeve 32, wherein the elastic sleeve 31 is arranged in the wire protecting sleeve 2, specifically, one end of the elastic sleeve 31 abuts against an abutting boss 21 in the wire protecting sleeve 2, and the other end of the elastic sleeve 31 is provided with a chamfer. The elastic sleeve 31 is preferably a rubber sleeve, but is not limited thereto. The pressing sleeve 32 abuts between the elastic sleeve 31 and the abutting ring 411, when the connecting sleeve 41 is rotated, the abutting ring 411 pushes the pressing sleeve 32 to press the wire sheath 2 along the axial direction, so that the elastic sleeve 31 in the wire sheath 2 is squeezed in the axial direction, thereby enabling the elastic sleeve 31 to clamp the cable by means of elastic deformation in the radial direction, and meanwhile, the elastic sleeve 31 can also play a role in water prevention. Of course, the structure of the wire pressing member 3 is not limited thereto.

The connecting sleeve 41 is in threaded connection with the wire sheath 2, and the connecting sleeve 41 is preferably made of 2A12 hard aluminum alloy, so that the connecting sleeve 41 has the advantages of light structure, good salt mist resistance and the like.

The connection sleeve 41 includes a connection tube structure 412 disposed at an end of the wire sheath 2 away from the plug body 1 and fixedly connected to the abutting ring 411, and the connection tube structure 412 is used for being connected with the corrugated tube in a matching manner to prevent the corrugated tube from moving axially. Under the general condition, the periphery cover of cable conductor is equipped with the bellows that is used for protecting the cable conductor, and the setting of adapter sleeve 41 can make wire sheath 2 and bellows reliably be connected, reduces the exposed risk of cable conductor to prevent that the cable conductor from being damaged, connect the reliability and promote to a certain extent further.

In addition to the connection sleeve 41, the locking assembly 4 further comprises a locking sleeve 42 and a locking nut 43, wherein the locking sleeve 42 is installed in the connection pipe structure 412, and the end of the locking sleeve 42 is provided with a snap ring 421 for being snapped with the corrugated pipe. The tensile strength of the snap ring 421 can be more than 20 kg.

The locking union cap 43 is fixedly sleeved on the periphery of the connecting pipe structure 412, the locking union cap 43 abuts against the end face of the clamping ring 421, and when the locking union cap 43 is screwed down, the connecting pipe structure 412 tightly embraces the corrugated pipe, so that the locking sleeve 42 is limited to move axially, and the connecting sleeve 41 is fixedly connected with the corrugated pipe. Specifically, a threaded connection is used between the locking nut 43 and the connecting tube structure 412. The locking union cap 43 is in threaded connection with the connecting sleeve 41, and the locking union cap 43 is preferably made of 2A12 hard aluminum alloy, so that the locking union cap 43 has the advantages of light structure, good salt spray resistance and the like.

Referring to fig. 8 to 11, fig. 8 is a structural diagram of a connector holder according to an embodiment of the present invention; FIG. 9 is a front view of FIG. 8; fig. 10 is a sectional view of fig. 9, and fig. 11 is a view showing a state in which the connector holder is connected to the circuit board.

The utility model also provides a connector seat, this connector seat uses with the cooperation of above-mentioned connector head. The connector seat comprises a socket shell 71, a plurality of female-end contact pins 72 and a socket insulator 73, wherein the socket shell 71 can also be made of 2A12 hard aluminum alloy, so that the socket shell 71 has the advantages of light structure, good salt mist resistance and the like. The number of female pins 72 is the same as the number of male pins 12, and is not limited in detail.

The socket insulator 73 is fixedly arranged in the socket housing 71, the socket insulator 73 covers the periphery of each female-end pin 72, and the socket insulator 73 is preferably made of PPS (polyphenylene sulfide) insulating material, so that the socket insulator 73 insulates and separates any two adjacent female-end pins 72, and at least AC1500V voltage resistance can be realized between any two adjacent female-end pins 72, thereby ensuring that the connector holder 7 has good safety.

The connector base is provided with at least two female-end contact pins 72, all the female-end contact pins 72 form a clamping welding cup which is fixedly connected and conducted with the circuit board 10 in an abutting mode, and the maximum width of the clamping welding cup is smaller than or equal to the thickness of the circuit board 10 so as to be conveniently clamped with the circuit board 10. Specifically, the connector holder has three female-end contact pins 72, the three female-end contact pins 72 are distributed in a triangular shape, and the maximum width of the clamping welding cup refers to the maximum height of the triangle.

Accordingly, the plug insulator 13 is provided with insertion holes into which the female terminal pins 72 are inserted so that the female terminal pins 72 and the male terminal pins 12 communicate with each other.

The creepage distance between one end of any one female-end contact pin 72 close to the clamping welding cup and the inner wall of the socket shell 71 is more than or equal to 4mm, the voltage resistance of AC4000V between the female-end contact pin 72 and the socket shell 71 can be guaranteed, and the connector seat is guaranteed to have good safety.

Combining socket insulator 73 and the encapsulating technology that PPS insulating material made, when the creepage distance between the inner wall that female end contact pin 72 is close to the joint weld cup one end and socket shell 71 is more than or equal to 4mm, what can realize between female end contact pin 72 and the socket shell 71 at least AC4000V is withstand voltage.

One end of the socket insulator 73 far away from the plug body 1 is connected with the socket housing 71 through an insulating fixing glue, and the insulating fixing glue is preferably silica gel. In this embodiment, the outer diameter of the socket insulator 73 is smaller than the inner diameter of the inner cavity of the socket housing 71, so that an annular separation groove 74 for filling insulating fixing glue is formed between the socket insulator 73 and the socket housing 71, thereby ensuring that the socket insulator 73 and the socket housing 71 have high connection reliability and pressure resistance.

An abutting sealing ring 75 is arranged between one end of the socket insulator 73 close to the plug body 1 and the socket shell 71, the abutting sealing ring 75 is used for sealing a gap between the socket shell 71 and the plug shell 11, and sealing and water proofing are achieved when the connector head is in butt joint with the connector base.

The indication bulge 711 used for displaying the position of the socket shell 71 is arranged in the cavity of the socket shell 71, and when the connector head is installed, the indication bulge 711 can be used for distinguishing the direction, so that positioning reference is provided for installation of the connector head, and the installation difficulty of the connector head is reduced.

The outer periphery of the socket shell 71 is symmetrically provided with clamping planes 712 used for being matched with an installation tool, and both the clamping planes 712 are parallel to the central axis of the socket shell 71.

The utility model also provides a connector, including above-mentioned connector head and above-mentioned connector seat, the connector head with the butt joint intercommunication of connector seat.

The utility model discloses still including the stop collar 8 of solid cover in the periphery of plug body 1 to inject connector seat position.

The limiting sleeve 8 is provided with an outer limiting groove 81 fixedly connected with the outer peripheral surface of the socket shell 71 so that the socket shell 71 can move conveniently; the plug insulator 13 is provided with an inner limiting groove 131 which abuts against the socket insulator 73 so as to limit the position of the socket insulator 73, and the connector holder and the plug body 1 are reliably connected. In this embodiment, the stop collar 8 and the socket housing 71 may be threaded.

For promoting waterproof performance, the utility model discloses still including locating in the stop collar 8 and respectively with plug housing 11 and socket shell 71 offset plug sealing member 9, plug sealing member 9 can seal the gap between plug housing 11 and the socket shell 71, prevents that the water from boring into, and sealing performance is better. The plug seal 9 may be an O-ring seal but is not limited thereto.

The utility model provides a with above-mentioned connector head matched with connector seat and contain the connector of connector head and connector seat simultaneously, have same beneficial effect.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A connector head, comprising:

a plug body (1);

the wire protecting sleeve (2) is fixedly connected with one end of the plug body (1) and is sleeved on the periphery of the cable;

the wire pressing assembly (3) is arranged in the wire protecting sleeve (2);

the locking assembly (4) is detachably sleeved at the end part of the wire protecting sleeve (2) and used for extruding the wire pressing assembly (3) along the axial direction to enable the wire pressing assembly (3) to clamp the cable.

2. The connector head according to claim 1, further comprising an insulating spacer (5) provided between the plug body (1) and the grommet (2) and adapted to be fitted around the outer periphery of the cable to insulate and separate the plug body (1) and the grommet (2).

3. Connector head according to claim 2, further comprising a grommet seal (6) provided between the plug body (1) and the grommet (2) and adapted to seal a gap therebetween.

4. Connector head according to claim 1, characterized in that the locking assembly (4) comprises a connecting sleeve (41) with an abutment ring (411), the line ball assembly (3) comprising:

the elastic sleeve (31) is arranged in the wire protecting sleeve (2) and the end part of the elastic sleeve is propped against the wire protecting sleeve (2);

the pressing sleeve (32) is abutted between the elastic sleeve (31) and the abutting ring (411), and the abutting ring (411) extrudes the elastic sleeve (31) along the axial direction through the pressing sleeve (32) so that the elastic sleeve (31) clamps the cable by means of elastic deformation.

5. Connector head according to claim 4, characterized in that the connection sleeve (41) comprises a connection tube structure (412) arranged at an end of the grommet (2) remote from the plug body (1) and fixedly connected to the abutment ring (411) for a bellows-type fitting connection.

6. Connector head according to claim 5, characterized in that said locking assembly (4) further comprises:

the locking sleeve (42) is arranged in the connecting pipe structure (412), and the locking sleeve (42) is provided with a clamping ring (421) used for clamping the corrugated pipe;

and the locking cap (43) is fixedly sleeved on the connecting pipe structure (412) and abuts against the clamping ring (421) and is used for limiting the axial movement of the locking sleeve (42).

7. The connector head as claimed in any one of claims 1 to 6, wherein the plug body (1) comprises a plug housing (11), a plurality of male terminal pins (12), and a plug insulator (13) covering the outer periphery of the male terminal pins (12) and fixedly arranged on the plug housing (11) for insulating any two adjacent male terminal pins (12).

8. A connector housing for use with a connector head according to any one of claims 1 to 7, comprising a socket housing (71) and a plurality of female terminal pins (72), and further comprising socket insulators (73) covering the outer peripheries of the female terminal pins (72) and fixedly arranged on the socket housing (71) for insulating any two adjacent female terminal pins (72).

9. The connector holder according to claim 8, wherein the female terminal pins (72) include at least two, all of the female terminal pins (72) form a clamping soldering cup for fixedly connecting and conducting with a circuit board (10), and the maximum width of the clamping soldering cup is less than or equal to the thickness of the circuit board (10).

10. The connector receptacle according to claim 9, wherein a creepage distance between one end of any one of the female-end pins (72) close to the clamping cup and an inner wall of the socket housing (71) is 4mm or more.

11. Connector holder according to claim 8, characterized in that the end of the socket insulator (73) remote from the plug body (1) is connected to the socket housing (71) by means of an insulating fixing glue.

12. Connector holder according to claim 8, wherein an abutment seal (75) is provided between the end of the socket insulator (73) close to the plug body (1) and the socket housing (71).

13. The connector holder as claimed in claim 8, wherein an indication protrusion (711) for displaying the position of the socket housing (71) to provide a positioning reference for the installation of the plug body (1) is provided in the cavity of the socket housing (71).

14. The connector receptacle according to claim 8, characterized in that the outer circumference of the receptacle housing (71) is symmetrically provided with snap-in planes (712) for cooperation with an installation tool.

15. A connector comprising the connector head of claim 7 and the connector seat of any one of claims 8 to 14, the connector head being in abutting communication with the connector seat.

16. The connector according to claim 15, further comprising a stop collar (8) fixedly sleeved on the outer periphery of the plug body (1) and defining the position of the connector seat.

17. A connector according to claim 16, wherein the retainer sleeve (8) is provided with an outer retainer groove (81) which is fixedly connected to the outer peripheral surface of the socket housing (71) to define the movement of the socket housing (71), and the plug insulator (13) is provided with an inner retainer groove (131) which abuts against the socket insulator (73) to define the position of the socket insulator (73).

18. The connector of claim 17, further comprising a plug seal (9) disposed within the retaining sleeve (8) and respectively abutting the plug housing (11) and the receptacle housing (71) to seal a gap therebetween.