CN210092470U - Joint seat - Google Patents

Abstract

The utility model relates to the field of electric power tools, in particular to a joint seat, which comprises a male plug and a female plug, wherein the rear part of the male plug is provided with a first connecting structure inserting cylinder, and the inner side wall of the inserting cylinder is provided with a conductive cylinder; the female plug comprises an insulating sleeve, a conductive insertion finger and a lock cylinder, the conductive insertion finger is arranged in the insulating sleeve, the lock cylinder is movably sleeved outside the insulating sleeve, a second connecting structure is arranged at the front part of the lock cylinder, and the lock cylinder and the insulating sleeve are respectively provided with a first limiting structure and a second limiting structure, so that the axial forward sliding of the lock cylinder can be limited; when the inserting cylinder and the insulating sleeve are inserted, the conductive inserting finger is inserted into the conductive cylinder and is in conductive connection with the conductive cylinder, and the second connecting structure and the first connecting structure can be matched and connected by moving the locking cylinder, so that the insulating sleeve and the inserting cylinder cannot be separated from each other but can rotate relatively; the utility model discloses can realize the high-speed joint of public plug and female plug, the simple operation, and public plug and female plug can the free rotation under the connection status, use in a flexible way.

Description

Joint seat

Technical Field

The utility model relates to an electric power tool field specifically is a joint seat.

Background

The connector socket is generally used for cable conductor and the fixed and conductive connection of the electrical apparatus junction site that needs the wiring (for example the wiring row in the block terminal), current connector socket, its public plug and female plug generally are connected through hanging the mode of detaining, the angle that needs adjust public plug and female plug earlier during specific use makes to hang the round pin and hang the groove position relative, then inserts female plug and rotatory certain angle with public plug, makes to hang the round pin inlay card and hang in the groove to realize hanging of public plug and female plug and detain and connect. This connection method has the following problems: the operation is inconvenient, and the male plug can be inserted into the female plug after the angle between the male plug and the female plug is adjusted before connection; public plug and female plug are connected the back, public plug and female plug just can not relative rotation, this can bring a great deal of inconvenience in the in-service use, because public plug and/or female plug still generally connect the cable, when the cable is twisted around itself, can't eliminate the twisting of cable through rotatory public plug or female plug and twine, lead to the cable to tie a knot easily or even damage the cable, also bring inconvenience for the operation construction, in addition, to the cable that the diameter is thicker, can produce great answer torsion when the cable is twisted around, should answer torsion can drive public plug or female plug and rotate and probably lead to the unexpected break away from of public plug and female plug.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model discloses a task is to provide the joint seat, can realize the high-speed joint of public plug and female plug, the simple operation, and public plug and female plug can the free rotation under the connection status, use in a flexible way.

The utility model discloses the task is realized through following technical scheme:

the connector base comprises a male plug and a female plug, the male plug comprises an insertion cylinder, a first connecting structure is arranged at the rear part of the insertion cylinder, and a conductive cylinder is arranged on the inner side wall of the insertion cylinder; the female plug comprises an insulating sleeve, a conductive insertion finger and a lock cylinder, the conductive insertion finger is coaxially and fixedly arranged in an inner cavity of the insulating sleeve, the lock cylinder is movably sleeved outside the insulating sleeve and can rotate and axially slide relative to the insulating sleeve, a second connecting structure matched with the first connecting structure is arranged at the front part of the lock cylinder, and a first limiting structure and a second limiting structure which are opposite to each other are respectively arranged on the lock cylinder and the insulating sleeve, so that the axial forward sliding of the lock cylinder can be limited; when the inserting cylinder and the insulating sleeve are inserted, the conductive inserting finger is inserted into the conductive cylinder and is in conductive connection with the conductive cylinder, and the second connecting structure and the first connecting structure can be matched and connected by moving the locking cylinder, so that the insulating sleeve and the inserting cylinder cannot be separated from each other but can rotate relatively; one of the male plug and the female plug is provided with a conductive positioning mechanism for fixedly connecting the wiring position of the electric appliance, and the other plug is provided with a wiring mechanism for fixedly connecting the cable conductor.

Preferably, the conductive positioning mechanism is an elastic clamping seat, the elastic clamping seat comprises a fixed clamping plate and at least one movable clamping plate, the back surface of the fixed clamping plate is fixedly connected with the conductive cylinder or the conductive inserting finger, the front surface of the fixed clamping plate vertically extends out of at least one screw rod with an adjusting nut, the movable clamping plate vertically penetrates through the screw rod and can slide between the adjusting nut and the fixed clamping plate in a reciprocating manner along the screw rod, two compression springs are sleeved on the screw rod, two ends of one compression spring respectively support against the fixed clamping plate and the movable clamping plate, two ends of the other compression spring respectively support against the movable clamping plate and the adjusting nut, the tightness degree of the movable clamping plate and the distance between the movable clamping plate and the fixed clamping plate can be adjusted by adjusting the screw cap, therefore, the movable clamping plate and the fixed clamping plate can be matched to elastically clamp the wiring part of the electric appliance, and the wiring part of the electric appliance is conductively connected with the conductive cylinder or the conductive insertion finger through the fixed clamping plate.

Preferably, the wiring mechanism comprises a wire connecting mechanism and a wire locking mechanism, the cable is electrically connected with the conductive insertion finger or the conductive barrel through the wire connecting mechanism, and is fixedly connected with the female plug or the male plug through the wire locking mechanism.

Preferably, the book sewing mechanism includes line locking seat and locknut, the one end of line locking seat with correspond female plug or the sealed fixed connection of public plug, the other end are equipped with and are enclosed the toper elasticity pressure cover that closes and form by a plurality of flexure strips, and toper elasticity is pressed and is equipped with the sealed gum cover in the cover, is equipped with the external screw thread section on the line locking seat, and the locknut can with locknut threaded connection, is equipped with in the locknut and corresponds the toper inner chamber of elastic pressure cover passes during the use cable from lockseat and locknut, and the relative locknut of locknut is screwed, can make toper inner chamber extrusion elasticity press the cover to shrink and compress tightly the cable oversheath through sealed gum cover to with cable fixed connection on the female plug or the public plug that correspond.

Preferably, the female plug further comprises a return spring, the return spring is sleeved between the insulating sleeve and the lock cylinder, and two ends of the return spring are respectively abutted against or connected with the first limiting structure and the second limiting structure.

Preferably, the outer side wall of the insulating sleeve is further provided with a third limiting structure, and the first limiting structure is located between the first limiting structure and the third limiting structure and can only move between the first limiting structure and the third limiting structure.

Preferably, first connection structure is including setting up the connection pad of a socket rear end, the lateral wall of connection pad is equipped with the external screw thread, second connection structure is including setting up the internal thread of a lock section of thick bamboo front end inside wall, thereby the connection pad of a lock section of thick bamboo and a socket can carry out threaded connection and realize locking or loosen.

Preferably, the lock cylinder has a length of: when the inserting cylinder is inserted into the insulating sleeve to the stroke stop point, the locking cylinder moves to the front stop point and just enables the second connecting structure to be matched and connected with the first connecting structure.

Preferably, the end of the conductive insertion finger is provided with an insulating arc extinguishing cap, the side surface of the conductive insertion finger is sleeved with an elastic grid-type conductive sleeve, the diameter of the conductive sleeve is larger than the inner diameter of the conductive cylinder, and when the conductive insertion finger is inserted into the conductive cylinder, the conductive sleeve is extruded and deformed to be tightly attached to the inner wall of the conductive cylinder for conductive connection.

Preferably, a sealing ring is arranged on the outer side wall of the inserting cylinder and/or the inner wall of the insulating sleeve, and the sealing ring deforms under the extrusion of the inserting cylinder and the insulating sleeve so as to seal a gap between the inserting cylinder and the insulating sleeve.

During connection, the inserting cylinder of the male plug is directly inserted into the insulating sleeve of the female plug, and then the locking cylinder is moved to enable the second connecting structure to be matched and locked with the first connecting structure, so that the male plug and the female plug can be connected together, and the male plug and the female plug can freely rotate mutually while keeping connection; when the plug is detached, the lock cylinder is only required to be moved to unlock the second connecting structure and the first connecting structure, and then the male plug and the female plug can be mutually pulled out.

The utility model has the advantages of ① can realize the quick connection of male plug and female plug, the operation is convenient, the male plug and the female plug can rotate freely under the connection state, the use is flexible, two sides of a movable clamping plate of ② elastic clamping seat are respectively provided with a compression spring, the tightness degree of the movable clamping plate and the distance between the movable clamping plate and a fixed clamping plate can be conveniently adjusted through an adjusting nut, so that the clamping can be adjusted according to the thickness of a connection part (such as a wiring bar) of a connecting electric appliance, the clamping firmness can be ensured, the clamping tightness degree can be adjusted, the operation is convenient, ③ locking seat is provided with a conical elastic pressing sleeve formed by surrounding a plurality of elastic sheets, a sealing rubber sleeve is arranged on an inner ring of the elastic pressing sleeve, a locking nut is provided with a corresponding conical side wall, the elastic pressing sleeve deforms towards an axis to clamp an outer cable jacket through the circumferential extrusion of the conical side wall, the operation is simple and convenient, the cable circumferential direction is subjected to extrusion force, the outer cable is fixed and firm, a sealing rubber sleeve is arranged in the elastic pressing sleeve, the elastic pressing sleeve can enable the locking seat and the cable seat to form a seal, the sealing, the plug can be more stably connected with a conductive plug barrel, the plug is capable of reducing the damage caused by the relative movement of a conductive plug barrel, the plug barrel, the plug barrel is more convenient when the plug barrel connected with the plug barrel, the plug barrel is connected with the plug barrel.

Drawings

Fig. 1 is a schematic structural view of the connector base in embodiment 1 when not inserted;

fig. 2 is a schematic structural view of the connector base in the embodiment 1 during plugging;

fig. 3 is a schematic view of the internal structure of the connector base in embodiment 1 when not inserted;

FIG. 4 is a schematic view of the exploded structure of FIG. 1;

fig. 5 is a reference schematic view of a use state of the joint base in embodiment 1;

fig. 6 is a schematic structural view of the connector holder in the embodiment 2 during plugging.

The locking device comprises a female plug 1, an insulating sleeve 11, a second flange 111, a convex ring 112, a locking cylinder 12, internal threads 121, a first flange 122, a reset spring 13, a conductive insertion finger 14, a wire insertion hole 141, an insulating arc extinguishing cap 15, a conductive sleeve 16, a wire locking mechanism 17, a wire locking seat 171, an elastic pressing sleeve 1711, a sealing rubber sleeve 1712, an external thread section 1713, a wire locking nut 172, a tapered inner cavity 1721, a buffer cushion 18, a male plug 2, a plug cylinder 21, a connecting disc 211, external threads 2111, a sealing ring 212, a conductive cylinder 22, an elastic clamping seat 23, a fixed clamping plate 231, a movable clamping plate 232, a screw 233, an adjusting nut 234, a first compression spring 235, a second compression spring 236, a wiring terminal 237, a mounting hole 2371 and a cable 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the description of the specific embodiments is intended to be illustrative only and is not intended to be limiting.

Example 1:

as shown in fig. 1-5, the connector base includes a male plug 2 and a female plug 1, the male plug 2 includes a socket tube 21, a connecting disc 211 is disposed at the rear end of the socket tube 21, an external thread 2111 is disposed on the outer side wall of the connecting disc 211, and a conductive tube 22 is disposed on the inner side wall of the socket tube 21; the female plug 1 comprises an insulating sleeve 11, a conductive inserting finger 14, a lock cylinder 12 and a return spring 13, the conductive inserting finger 14 is coaxially and fixedly arranged in the inner cavity of the insulating sleeve 11, the lock cylinder 12 is movably sleeved outside the insulating sleeve 11, so that the lock cylinder 12 can rotate relative to the insulating sleeve 11 and can axially slide relative to the insulating sleeve 11, the inner side wall of the front end of the lock cylinder 12 is provided with an internal thread 121 matched with the external thread 2111 of the connecting disc 211, the inner side of the rear end of the lock cylinder 12 is provided with a first flange 122, the front part and the rear part of the insulating sleeve 11 are respectively provided with a second flange 111 and a convex ring 112, the second flange 111 and the convex ring 112 are respectively positioned at two sides of the first flange 122, therefore, the axial sliding of the lock cylinder 12 can be limited, the return spring 13 is sleeved between the insulating sleeve 11 and the lock cylinder 12, and two ends of the return spring 13 are respectively abutted against the first flange 122 and the second flange 111; when the plug cylinder 21 and the insulating sleeve 11 are plugged, the conductive plug fingers 14 are plugged into the conductive cylinder 22 and are in conductive connection with the conductive cylinder, the lock cylinder 12 is slid forwards to enable the lock cylinder 12 to reach the connecting disc 211, then the lock cylinder 12 is rotated to enable the lock cylinder 12 to be in threaded connection with the connecting disc 211, and therefore the insulating sleeve 11 and the plug cylinder 21 cannot be disconnected from each other but can be rotated relatively; set up reset spring 13 for when female plug 1 and male plug 2 do not peg graft, lock a section of thick bamboo 12 from insulating sleeve 11's port department withdraw to the back dead point under reset spring 13's effect, can not rock at will, and remove a lock section of thick bamboo 12 and connect occasionally certain elastic buffer, the operation of being convenient for, and can increase the operation and experience.

The male plug 2 is fixedly connected with a conductive positioning mechanism which is an elastic clamping seat 23, the elastic clamping seat 23 comprises a fixed clamping plate 231 and two movable clamping plates 232, the back surface of the fixed clamping plate 231 is fixedly connected with the rear end of the conductive tube 22, four corners of the front surface of the fixed clamping plate 231 respectively and vertically extend out of a screw 233 with an adjusting nut 234, the two movable clamping plates 232 vertically penetrate through the two screws 233 at the same side and can slide back and forth between the adjusting nut 234 and the fixed clamping plate 231 along the screws 233, each screw 233 is sleeved with two compression springs which are respectively a first compression spring 235 and a second compression spring 236, wherein two ends of the first compression spring 235 respectively abut against the fixed clamping plate 231 and the corresponding movable clamping plate 232, two ends of the second compression spring 236 respectively abut against the corresponding movable clamping plate 232 and the adjusting nut 234, the tightness degree of each movable clamping plate 232 and the distance between each movable clamping plate 232 and the fixed clamping plate 231 can be respectively adjusted by adjusting the adjusting nut 234, so that the movable clamp plate 232 and the fixed clamp plate 231 can cooperate to elastically clamp the electrical connection part (such as a connection bar in a distribution box), thereby electrically connecting the electrical connection part with the conductive cylinder 22 through the fixed clamp plate 231. Through set up a compression spring respectively in activity splint 232 both sides, can conveniently adjust the elasticity degree of activity splint 232 and with the distance between the solid fixed splint 231 through adjusting nut to can adjust according to the thickness of connecting electrical apparatus wiring position (like the line bank), can guarantee that the centre gripping is firm, can adjust the centre gripping elasticity again, convenient operation.

The female plug 1 is fixedly connected with a wire locking mechanism 17, and the rear end of the conductive insertion finger 14 is provided with a wire insertion hole 141 for inserting and conductively connecting a conductive wire of a cable. The locking mechanism 17 comprises a locking seat 171 and a locking nut 172, one end of the locking seat 171 is fixedly connected with the female plug 1 in a sealing manner, the other end of the locking seat is provided with a conical elastic pressing sleeve 1711 which is formed by enclosing a plurality of elastic pieces, a sealing rubber sleeve 1712 is arranged in the conical elastic pressing sleeve 1711, an external thread section 1713 is arranged on the locking seat 171, the locking nut 172 can be connected with the locking seat 171 in a threaded manner, a conical inner cavity 1721 corresponding to the elastic pressing sleeve 1711 is arranged in the locking nut 172, a cable passes through the locking seat 171 and the locking nut 172 during use, a wire of the cable is inserted into the plug wire hole 141, the locking nut 172 is screwed relative to the locking seat 171, the conical inner cavity 1721 can extrude the elastic pressing sleeve 1711 to shrink and compress the cable through the sealing rubber sleeve 1712, so that the cable is fixedly connected to the corresponding female plug 1. This book sewing mechanism 17 presses cover 1711 and makes elasticity press cover 1711 to warp towards the axle center through toper lateral wall circumference extrusion elasticity and presss from both sides tight cable oversheath, and easy operation is convenient, and cable oversheath circumference all receives the extrusion force, and is fixed firm, elasticity is pressed and is equipped with sealing rubber cover 1712 in the cover 1711, can make to form between line locking seat 171 and the cable oversheath sealedly, and can increase elasticity and press the locking frictional force of cover 1711 to the cable oversheath, can effectively prevent that the cable oversheath from being crushed simultaneously.

During the use, through elasticity holder 23 with male plug 2 fixed connection on the wiring row of block terminal, through book mechanism 17 with cable fixed connection in female plug 1's rear end, then directly insert the grafting section of thick bamboo 21 of male plug 2 and female plug 1's insulating sleeve 11 and close, then slide and rotatory a locking section of thick bamboo 12 make a locking section of thick bamboo 12 and the connection pad 211 threaded connection of a grafting section of thick bamboo 21, can make male plug 2 and female plug 1 link together, and male plug 2 and female plug 1 can freely rotate each other when keeping being connected. When the male plug 2 and the female plug 1 need to be separated, the threaded connection is loosened by rotating the lock cylinder 12, and then the male plug 2 and the female plug 1 can be pulled out of each other to be smoothly separated.

The lock cylinder 12 has the following length: when the insertion cylinder 21 is inserted into the insulating sleeve 11 to the stroke dead center, the lock cylinder 12 just can be in threaded connection with the connecting disc 211 when moving to the front dead center, the design enables the female plug 1 and the male plug 2 to be in threaded connection with the connecting disc 211 only when being completely inserted, and after connection, the female plug 1 and the male plug 2 can rotate relatively but cannot slide relatively in the axial direction, so that the conductive connection reliability of the conductive fingers 14 and the conductive cylinder 22 is facilitated. In addition, the bottom of insulating sleeve 11 is equipped with blotter 18, can cushion the striking of a 21 tip of a section of thick bamboo 21 to insulating sleeve 11 bottom, increases life, and can improve the operation experience.

An insulating arc extinguishing cap 15 is arranged at the end part of the conductive inserting finger 14, an elastic grid-type conductive sleeve 16 is sleeved on the side surface of the conductive inserting finger 14, the diameter of the conductive sleeve 16 is larger than the inner diameter of the conductive cylinder 22, and when the conductive inserting finger 14 is inserted into the conductive cylinder 22, the conductive sleeve 16 is extruded and deformed to be tightly attached to the inner wall of the conductive cylinder 22 for conductive connection. The grid type conductive sleeve 16 is of a grid-shaped structure, and a plurality of gaps are formed in the surface of the grid type conductive sleeve, so that the burning loss of the electric arc to the contact can be reduced, the space for electric arc expansion can be limited, and the electric safety can be further increased.

The outer side wall of the plug cylinder 21 is provided with a sealing ring 212, and the sealing ring 212 deforms under the extrusion of the plug cylinder 21 and the insulating sleeve 11 so as to seal the gap between the plug cylinder 21 and the insulating sleeve 11 and increase the waterproof performance of the whole quick plug cylinder 21.

The implementation is as follows: 2:

on the basis of the technical scheme of the embodiment 1, the conductive positioning mechanism is changed:

as shown in fig. 6, the conductive positioning mechanism is a terminal 237, one end of the terminal 237 is fixedly connected to the conductive barrel 22, and the other end of the terminal 237 is provided with a mounting hole 2371 for fixedly connecting a connection portion of an electrical appliance through a screw. Compared with the elastic clamping seat 23, the structure is simpler and the use is convenient although the application range is smaller.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (10)

1. The connector base is characterized by comprising a male plug and a female plug, wherein the male plug comprises an insertion cylinder, the rear part of the insertion cylinder is provided with a first connecting structure, and the inner side wall of the insertion cylinder is provided with a conductive cylinder; the female plug comprises an insulating sleeve, a conductive insertion finger and a lock cylinder, the conductive insertion finger is coaxially and fixedly arranged in an inner cavity of the insulating sleeve, the lock cylinder is movably sleeved outside the insulating sleeve and can rotate and axially slide relative to the insulating sleeve, a second connecting structure matched with the first connecting structure is arranged at the front part of the lock cylinder, and a first limiting structure and a second limiting structure which are opposite to each other are respectively arranged on the lock cylinder and the insulating sleeve, so that the axial forward sliding of the lock cylinder can be limited; when the inserting cylinder and the insulating sleeve are inserted, the conductive inserting finger is inserted into the conductive cylinder and is in conductive connection with the conductive cylinder, and the second connecting structure and the first connecting structure can be matched and connected by moving the locking cylinder, so that the insulating sleeve and the inserting cylinder cannot be separated from each other but can rotate relatively; one of the male plug and the female plug is provided with a conductive positioning mechanism for fixedly connecting the wiring position of the electric appliance, and the other plug is provided with a wiring mechanism for fixedly connecting the cable conductor.

2. The connector base according to claim 1, wherein the conductive positioning mechanism is an elastic clamping base, the elastic clamping base comprises a fixed clamping plate and at least one movable clamping plate, the back surface of the fixed clamping plate is fixedly connected with the conductive tube or the conductive insertion finger, at least one screw rod with an adjusting nut vertically extends out of the front surface of the fixed clamping plate, the movable clamping plate vertically penetrates through the screw rod and can slide back and forth between the adjusting nut and the fixed clamping plate along the screw rod, two compression springs are sleeved on the screw rod, two ends of one of the compression springs respectively abut against the fixed clamping plate and the movable clamping plate, two ends of the other compression spring respectively abut against the movable clamping plate and the adjusting nut, the tightness degree of the movable clamping plate and the distance between the movable clamping plate and the fixed clamping plate can be adjusted through the adjusting nut, so that the movable clamping plate and the fixed clamping plate can be matched to elastically clamp, the electric appliance wiring part is conductively connected with the conductive cylinder or the conductive insertion finger through the fixed clamping plate.

3. The connector block of claim 1, wherein the wire connection mechanism includes a wire connection mechanism and a wire locking mechanism, wherein a cable is electrically connected to the conductive fingers or the conductive barrel through the wire connection mechanism, and is fixedly connected to the female plug or the male plug through the wire locking mechanism.

4. The connector base according to claim 3, wherein the wire locking mechanism comprises a wire locking base and a wire locking nut, one end of the wire locking base is fixedly connected with the corresponding female plug or the corresponding male plug in a sealing manner, the other end of the wire locking base is provided with a tapered elastic pressing sleeve formed by a plurality of elastic pieces in a surrounding manner, a sealing rubber sleeve is arranged in the tapered elastic pressing sleeve, an external thread section is arranged on the wire locking base, the wire locking nut can be in threaded connection with the wire locking base, a tapered inner cavity corresponding to the elastic pressing sleeve is arranged in the wire locking nut, a cable passes through the wire locking base and the wire locking nut during use, and the wire locking nut is screwed relative to the wire locking base, so that the tapered inner cavity can extrude the elastic pressing sleeve to shrink and tightly press the outer sheath of the cable through the sealing rubber sleeve, and the cable is fixedly connected to the corresponding female plug or the corresponding male.

5. The connector holder according to claim 1, wherein the female plug further comprises a return spring, the return spring is sleeved between the insulating sleeve and the lock cylinder, and two ends of the return spring are respectively abutted against or connected with the first limiting structure and the second limiting structure.

6. The connector holder according to claim 1, wherein said insulating sleeve outer side wall is further provided with a third limiting structure, and said first limiting structure is located between said first limiting structure and said third limiting structure and can only move therebetween.

7. The joint socket according to any one of claims 1 to 6, wherein the first connecting structure comprises a connecting disc arranged at the rear end of the insertion cylinder, the outer side wall of the connecting disc is provided with an external thread, the second connecting structure comprises an internal thread arranged on the inner side wall of the front end of the lock cylinder, and the connecting disc of the lock cylinder and the insertion cylinder can be in threaded connection so as to realize locking or unlocking.

8. The connector block of any of claims 1-6, wherein the lock cylinder has a length of: when the inserting cylinder is inserted into the insulating sleeve to the stroke stop point, the locking cylinder moves to the front stop point and just enables the second connecting structure to be matched and connected with the first connecting structure.

9. The connector base according to any one of claims 1 to 6, wherein an insulating arc extinguishing cap is arranged at an end of the conductive insertion finger, an elastic grid-type conductive sleeve is sleeved on a side surface of the conductive insertion finger, the diameter of the conductive sleeve is larger than the inner diameter of the conductive barrel, and when the conductive insertion finger is inserted into the conductive barrel, the conductive sleeve is extruded and deformed to be tightly attached to the inner wall of the conductive barrel for conductive connection.

10. The connector holder according to any one of claims 1 to 6, wherein a sealing ring is provided on an outer side wall of the socket and/or an inner wall of the insulating sleeve, and the sealing ring is deformed by the compression of the socket and the insulating sleeve so as to seal a gap between the socket and the insulating sleeve.

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