CN217036110U - Connector with a locking member - Google Patents

Abstract

The utility model discloses a connector, comprising: the first connector is provided with a plug column, and a first plug pin group is connected to the first connector; the second joint is provided with an inserting groove, the second joint is connected with a second contact pin group penetrating through the inserting groove, and the first contact pin group is electrically connected with the second contact pin group; the plug column is provided with a first locking part, the plug groove is internally provided with a second locking part, and when the plug column is plugged with the plug groove, a partial area of the first locking part is buckled with the second locking part. The first joint and the second joint can be quickly fastened and separated by matching the inserting groove, the first locking part and the second locking part, the structure is simple, and the operation is labor-saving; and the inserting groove can cover the fastening part of the first locking part and the second locking part, so that a certain protection effect is achieved, and the stability and the sealing performance of the connector are improved.

Description

Connector with a locking member

Technical Field

The utility model relates to the technical field of electric connection devices, in particular to a connector.

Background

The existing connector comprises a male connector and a female connector, and the male connector and the female connector are connected by screwing a nut. However, the above connection method is not only labor-saving, but also may easily cause a reduction in the sealing performance between the male connector and the female connector if the nut is not tightened in place.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the connector is labor-saving in operation and good in sealing performance.

A connector according to an embodiment of the present invention includes: the first connector is provided with a plug-in column, and a first plug-in needle group is connected to the first connector; the second joint is provided with an inserting groove and is connected with a second inserting needle group penetrating through the inserting groove; the plug column is provided with a first locking part, the plug groove is internally provided with a second locking part, and the plug column is plugged with the plug groove so as to electrically connect the first contact pin group and the second contact pin group and enable a partial area of the first locking part to be buckled with the second locking part.

The connector provided by the embodiment of the utility model has at least the following beneficial effects: by adopting the structure, when the first joint and the second joint are spliced through the splicing column and the splicing groove, the first locking part is buckled with the second locking part through the splicing groove. In the process of fastening, the fastening in place can be judged by the fastening sound of the first fastening part and the second fastening part, so that the relative separation of the first joint and the second joint is limited. The first joint and the second joint can be quickly buckled and separated by matching the inserting groove, the first locking part and the second locking part, the structure is simple, and the operation is labor-saving; and the inserting groove can cover the buckling part of the first locking part and the second locking part, so that a certain protection effect is achieved, and the stability and the sealing performance of the connector are improved.

According to some embodiments of the present invention, the insertion groove includes a first insertion groove and a second insertion groove communicated with the first insertion groove, the first insertion groove is adapted to the insertion column and is inserted into the insertion column; the second locking part is arranged in the second slot, and the second slot is used for guiding the first locking part and the second locking part to be buckled. When the inserting column is inserted into the first slot, the partial area of the first locking part can move towards the opening direction of the second slot so as to extend into the second slot to be matched with the second locking part in a fastening manner, the second slot can play a role in guiding the fastening of the first locking part and the second locking part, the quick connection of the first joint and the second joint is realized, the operation is convenient, and the labor is saved.

According to some embodiments of the present invention, the inserting column is respectively provided with positioning protruding plates at two sides of the first locking portion, the positioning protruding plates can be inserted into the second slot, and the two positioning protruding plates are abutted against two opposite side walls of the second slot one by one to limit the relative rotation of the first joint and the second joint; the side wall of the first slot is provided with an avoidance notch extending to the end part along the axis of the side wall, the first slot is communicated with the second slot through the avoidance notch, and the avoidance notch is used for avoiding the positioning convex plate and the first locking part. The plug-in type plug-in connector has the advantages that the plug-in type plug-in connector is convenient for the partial area of the first locking portion to be inserted into the second slot, the first connector and the second connector are prevented from rotating relatively when being plugged, the sparking phenomenon is prevented, the plug-in type plug-in connector can be quickly plugged in place, correction is not needed, the structure is simple, and positioning is reliable.

According to some embodiments of the present invention, the first locking portion is an elastic member disposed along a length direction of the plug post, and the elastic member is provided with a locking hole; the second lock catch part is a convex block arranged in the second slot, and the convex block is in inserted fit with the clamping hole. When the first connector is inserted into the second connector, the elastic piece moves under the guidance of the second slot along the length direction, so that the clamping hole and the bump are inserted and matched in the vertical direction, and the first connector and the second connector are locked; on the contrary, when the first joint and the second joint need to be disassembled, the elastic piece is pressed to enable the clamping hole to be in separated contact with the convex block, and the device is simple in structure, convenient to operate, reliable in locking and low in manufacturing cost.

According to some embodiments of the present invention, one end of the elastic member is a fixed end, the fixed end is fixedly disposed on the insertion column, the other end of the elastic member is a free end, the fixed end, the locking hole and the free end are sequentially disposed, and a distance between the free end and an end surface of the insertion column near the insertion groove is greater than a distance between the fixed end and an end surface of the insertion column near the insertion groove. When the first connector is inserted into the second connector, the elastic piece moves under the guidance of the second slot along the length direction, so that the clamping hole and the convex block are inserted and matched in the vertical direction, and the first connector and the second connector are locked; on the contrary, when the first joint and the second joint need to be disassembled, the elastic piece is pressed to enable the clamping hole to be in separated contact with the convex block, and the device is simple in structure, convenient to operate, reliable in locking and low in manufacturing cost.

According to some embodiments of the present invention, a first inclined surface extending from the fixed end to the locking hole is disposed on the elastic member, a distance between the first inclined surface and the outer wall of the plugging post gradually increases from an end surface close to the plugging post to an end surface far away from the plugging post, and a second inclined surface matched with the first inclined surface is disposed on the protrusion. Through the guide cooperation on first inclined plane and second inclined plane, the second inclined plane butt of lug is in the first inclined plane of elastic component, and the effect simultaneously pushes away the elastic component and pushes down towards first joint for the lug can insert fast and locate the card hole, and the elastic component resets, and the simple operation is laborsaving to save time.

According to some embodiments of the present invention, a first cable is connected to the first pin group, a first tail sleeve is disposed at one side of the first joint, and is screwed to the first cable, and a first rib is disposed on the first tail sleeve along a length direction of the first tail sleeve and is close to the free end of the elastic member; the top surface of first bead with the interval orientation of the axis of first joint the elastic component place direction is crescent, first bead is close to the elastic component the top surface height of free end department with the elastic component the top surface height looks parallel and level of free end. After the first joint and the first tail sleeve are assembled, the height of the top face, close to the free end of the elastic part, of the first protruding edge is flush with the height of the top face of the free end of the elastic part, so that the elastic part is protected from being easily touched and pressed when being placed, and the use habit of people is met.

According to some embodiments of the present invention, the first pin set comprises a plurality of first pins, and the second pin set comprises a plurality of second pins; the plug column is provided with a first covering structure for covering the outer wall of the first contact pin, the plug groove is provided with a second covering structure for covering the outer wall of the second contact pin, and when the first contact pin is electrically connected with the second contact pin, part of the area of the first covering structure can be sleeved on the outer side of the second covering structure. Carry out independent cladding to first contact pin and second contact pin respectively through first cover structure and second cover structure, improved sealing performance, played certain water-proof effects, keep apart the signal between the adjacent wire rod.

According to some embodiments of the utility model, the plug-in post is provided with a first groove, the first covering structure comprises a plurality of first bosses arranged in the first groove, and each first contact pin penetrates through the first groove and is arranged by being surrounded by each first boss; the plug groove is internally provided with a convex column inserted in the first groove, the second covering structure comprises a plurality of second grooves arranged on the convex column, second bosses are arranged in the second grooves, each second contact pin penetrates through the convex column and is surrounded by each second boss, an annular concave position for the second bosses to be inserted is arranged on the first bosses, and the side wall of the first bosses at the annular concave position is inserted between the second grooves and the second bosses. The inserting column is inserted into the inserting groove, the protruding column is inserted into the first groove, the first boss is inserted into the second groove, the second boss is inserted into the annular concave position, the first inserting pin and the second inserting pin are further independently coated, the sealing performance is improved, a certain waterproof effect is achieved, and signals between adjacent wires are isolated.

According to some embodiments of the utility model, the mating position of the first pin and the second pin is located in the middle of the length direction of the insertion groove; the sealing ring is positioned on the middle part of the insertion column, which faces the end part of the insertion groove and deviates from the length direction of the insertion groove. The waterproof performance is improved, the end part of the inserting column is waterproof, and the water accumulation risk of the first connector and the second connector in vertical arrangement is reduced.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a connector according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a connector according to an embodiment of the utility model;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an exploded view of a connector according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of the first connector, the first pin set, the first cable, the first boot, and the seal ring;

FIG. 6 is a schematic structural view of a second connector, a second pin group, a second cable, and a second boot;

reference numerals are as follows:

the device comprises a first connector 10, an inserting column 11, a positioning convex plate 111, a first groove 12, a first boss 13, an annular concave position 14 and a sealing ring 15;

a first pin group 20, a first pin 21;

the second joint 30, the insertion groove 31, the first insertion groove 311, the second insertion groove 312, the drainage hole 3121, the convex column 32, the second groove 33, and the second boss 34;

a second pin group 40, a second pin 41;

the first locking portion 51, the locking hole 511, the fixed end 512, the free end 513, the first inclined surface 514, the second locking portion 52, and the second inclined surface 521;

the cable comprises a first cable 60, a first tail sleeve 70, a first rib 71, a second cable 80, a second tail sleeve 90 and a second rib 91.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings only for the convenience of description of the present invention and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 1 to 6, a connector according to an embodiment of the present invention includes: the first connector 10 is provided with a plug column 11, and a first plug pin group 20 is connected to the first connector 10; the second connector 30 is provided with an insertion groove 31, the second connector 30 is connected with a second pin group 40 penetrating through the insertion groove 31, and the first pin group 20 is electrically connected with the second pin group 40; the plug post 11 is provided with a first locking portion 51, the plug groove 31 is provided with a second locking portion 52, and the plug post 11 is plugged into the plug groove 31 to electrically connect the first pin set 20 and the second pin set 40, and to lock a partial region of the first locking portion 51 to the second locking portion 52.

According to the connector of the embodiment of the present invention, with the above structure, when the first header 10 and the second header 30 are plugged by the plugging column 11 and the plugging groove 31, the first locking portion 51 is buckled with the second locking portion 52 by the plugging groove 31. In the fastening process, the fastening sound of the first and second locking portions 51 and 52 can be used to judge the fastening position, so as to limit the relative separation of the first and second connectors 10 and 30. The first joint 10 and the second joint 30 can be quickly buckled and separated by matching the inserting groove 31, the first locking part 51 and the second locking part 52, the structure is simple, and the operation is labor-saving; moreover, the insertion groove 31 can cover the buckling position of the first locking portion 51 and the second locking portion 52, so that a certain protection effect is achieved, and the stability and the sealing performance of the connector are improved.

It should be noted that, in some embodiments of the present invention, the first pin set 20 is a male pin end, i.e., the first connector 10 is a male connector, and the second pin set 40 is a female pin end, i.e., the second connector 30 is a female connector. Of course, in some embodiments, or vice versa, the first connector 10 may be a female connector and the second connector 30 may be a male connector.

It can be understood that, as shown in fig. 1 to fig. 6, the insertion slot 31 includes a first insertion slot 311 and a second insertion slot 312 communicated with the first insertion slot 311, the first insertion slot 311 is adapted to the insertion column 11 and is inserted into the insertion column 11; the second locking portion 52 is disposed in the second slot 312, and the second slot 312 is used for guiding the first locking portion 51 and the second locking portion 52 to be locked together. With the above structure, when the inserting column 11 is inserted into the first slot 311, a part of the area of the first locking portion 51 can move toward the opening of the second slot 312 to extend into the second slot 312 for being locked and engaged with the second locking portion 52, and the second slot 312 can play a role in guiding the locking of the first locking portion 51 and the second locking portion 52, so as to realize the quick connection between the first connector 10 and the second connector 30, which is convenient to operate and labor-saving.

It can be understood that, as shown in fig. 1 to 6, in some embodiments of the present invention, the insertion column 11 is respectively provided with positioning protruding plates 111 at two sides of the first locking portion 51, the positioning protruding plates 111 can be inserted into the second slot 312, and the two positioning protruding plates 111 abut against two opposite side walls of the second slot 312 one by one to limit the relative rotation of the first connector 10 and the second connector 30; the side wall of the first slot 311 is provided with an avoidance gap extending to the end portion along the axis thereof, the first slot 311 is communicated with the second slot 312 through the avoidance gap, and the avoidance gap is used for avoiding the positioning convex plate 111 and the first locking portion 51. The side walls of the second slots 312 are in one-to-one abutting fit with the positioning convex plates 111, so that not only are partial areas of the first locking portions 51 convenient to insert into the second slots 312, but also the first connector 10 and the second connector 30 are prevented from rotating relatively when being inserted, the sparking phenomenon is prevented, the quick insertion can be performed in place, the correction is not needed, the structure is simple, and the positioning is reliable.

It should be noted that, in some embodiments of the present invention, the first slot 311 is a ring-shaped structure, the second slot 312 is a rectangular structure, the fastening portion of the first locking portion 51 and the second locking portion 52 is located in the second slot 312, and the rotation space of the first locking portion 51 is limited under the covering of the second slot 312, so that even if any external force is applied to the outer wall of the second slot 312, the first locking portion 51 and the second locking portion 52 cannot be separated, either intentionally or unintentionally, so that the connection between the first connector 10 and the second connector 30 is maintained, thereby preventing the risk of accidental disconnection of the electrical connection.

In some embodiments of the present invention, the second slot 312 is provided with a drainage hole 3121 communicating the first slot 311 and the outside of the second joint 30, so as to perform a drainage function and reduce the risk of water accumulation. It should be noted that the drainage hole 3121 is disposed opposite to the opening of the second slot 312.

It is contemplated that, as shown in fig. 1 to 6, in some embodiments of the present invention, the first locking portion 51 is an elastic member disposed along the length direction of the plug post 11, and the elastic member is provided with a locking hole 511; the second locking portion 52 is a protrusion disposed in the second slot 312, and the protrusion is inserted into the locking hole 511. With the above structure, when the first connector 10 is plugged into the second connector 30, the elastic member is guided by the second slot 312 to move along the length direction, so that the locking hole 511 is plugged into and matched with the protrusion in the vertical direction, and the first connector 10 and the second connector 30 are locked; on the contrary, when the first connector 10 and the second connector 30 need to be disassembled, the elastic piece is pressed to separate and contact the clamping hole 511 and the bump, so that the structure is simple, the operation is convenient, the locking is reliable, and the manufacturing cost is low.

As shown in fig. 1 to 5, in some embodiments of the present invention, one end of the elastic member is a fixed end 512, the fixed end 512 is fixedly disposed on the plugging column 11, the other end of the elastic member is a free end 513, the fixed end 512, the locking hole 511 and the free end 513 are sequentially disposed, and a distance between the free end 513 and an end surface of the plugging column 11 close to the plugging slot 31 is greater than a distance between the fixed end 512 and an end surface of the plugging column 11 close to the plugging slot 31. By adopting the structure, the elastic piece has certain elasticity, the free end 513 of the elastic piece is pressed towards the first connector 10, so that the inserting connection relation between the clamping hole 511 and the convex block can be eliminated, the structure is simple, and the manufacture is convenient.

It can be understood that, as shown in fig. 1 to 5, in some embodiments of the present invention, the elastic member is provided with a first inclined surface 514 extending from the fixed end 512 to the locking hole 511, the distance between the first inclined surface 514 and the outer wall of the plug post 11 gradually increases from the end surface close to the plug post 11 to the end surface far from the plug post, and the protrusion is provided with a second inclined surface 521 cooperating with the first inclined surface 514. Through the guide cooperation of first inclined plane 514 and second inclined plane 521, the second inclined plane 521 butt of lug is in the first inclined plane 514 of elastic component, and the effect pushes away the elastic component simultaneously and pushes down towards first joint 10 for the lug can insert fast and locate card hole 511, and the elastic component resets, and the simple operation is laborsaving timesaving.

It should be noted that, in some embodiments of the present invention, the elastic member and the plug post 11 of the first connector 10 can be formed as an integral structure by plastic molding, and of course, in some embodiments, the elastic member is also detachably disposed on the plug post 11 of the first connector 10, and the elastic member can be made of a metal material.

It is contemplated that in some embodiments of the present invention, the first locking portion 51 and the second locking portion 52 are combined to be a group, and of course, in some embodiments, the first locking portion 51 and the second locking portion 52 may be provided in other groups, such as two groups, and the like, without limitation.

As shown in fig. 1 to 5, in some embodiments of the present invention, the first pin set 20 is connected to the first cable 60, a first tail sleeve 70 screwed to the first connector 10 and sleeved on the first cable 60 is disposed on one side of the first connector, and a first rib 71 adjacent to the free end 513 of the elastic member is disposed on the first tail sleeve 70 along the length direction thereof; the distance between the top surface of the first rib 71 and the axis of the first connector 10 gradually increases toward the direction of the elastic member, and the height of the top surface of the first rib 71 near the free end 513 of the elastic member is equal to the height of the top surface of the free end 513 of the elastic member. With the above structure, after the first joint 10 and the first tail sleeve 70 are assembled, the height of the top surface of the first rib 71 close to the free end 513 of the elastic member is flush with the height of the top surface of the free end 513 of the elastic member, which not only protects the elastic member from being easily pressed when being placed, but also conforms to the use habit of people.

Of course, as shown in fig. 1 to 4 and 6, in some embodiments of the present invention, the second cable 80 is connected to the second plug 40, a second tail sleeve 90 is screwed to the second connector 30 and sleeved on the second cable 80 is disposed on one side of the second connector, and the second tail sleeve 90 is easily provided with a second rib 91, which is not limited herein.

It should be noted that the first cable 60, the first tail sleeve 70, and the second cable 80 and the second tail sleeve 90 are all integrally molded.

It is understood that, as shown in fig. 1-6, in some embodiments of the present invention, the first pin set 20 includes a plurality of first pins 21, and the second pin set 40 includes a plurality of second pins 41; the inserting column 11 is provided with a first covering structure covering the outer wall of the first inserting pin 21, the inserting groove 31 is provided with a second covering structure covering the outer wall of the second inserting pin 41, and the outer side of the second covering structure can be sleeved with a partial area of the first covering structure when the first inserting pin 21 is electrically connected with the second inserting pin 41. By adopting the structure, the first contact pin 21 and the second contact pin 41 are independently coated through the first covering structure and the second covering structure, the sealing performance is improved, a certain waterproof effect is achieved, and signals between adjacent wires are isolated.

As shown in fig. 1 to 6, in some embodiments of the present invention, the plugging column 11 is provided with a first groove 12, the first covering structure includes a plurality of first bosses 13 disposed in the first groove 12, and each first pin 21 penetrates through the first groove 12 and is disposed around each first boss 13; the inserting groove 31 is internally provided with a convex column 32 inserted in the first groove 12, the second covering structure comprises a plurality of second grooves 33 arranged on the convex column 32, a second boss 34 is arranged in the second groove 33, each second inserting pin 41 penetrates through the convex column 32 and is surrounded by each second boss 34, the first boss 13 is provided with an annular concave position 14 for the second boss 34 to be inserted, and the side wall of the first boss 13 at the annular concave position 14 is inserted between the second groove 33 and the second boss 34. It should be noted that, the protruding column 32 and the second covering structure are both disposed in the first slot 311, by adopting the above structure, the plugging column 11 is inserted into the plugging slot 31, that is, when the plugging column 11 is inserted into the first slot 311, the first groove 12 is inserted through the protruding column 32, the second groove 33 is inserted into the first boss 13, and the annular concave 14 is inserted into the second boss 34, thereby further realizing the independent coating of the first inserting needle 21 and the second inserting needle 41, improving the sealing performance, playing a certain waterproof effect, and isolating the signal between the adjacent wires.

It should be noted that, in some embodiments of the present invention, the second pin 41 is sleeved on a partial region of the first pin 21.

As shown in fig. 1 to 6, in some embodiments of the present invention, the mating position of the first pin 21 and the second pin 41 is located in the middle of the insertion groove 31, i.e., the first slot 311, in the length direction; a sealing ring 15 sleeved on the outer wall of the splicing column 11 is arranged between the splicing column 11 and the splicing groove 31, and the sealing ring 15 is located on the end part of the splicing column 11 facing the splicing groove 31 and deviates from the middle part of the splicing groove 31 in the length direction. Adopt above-mentioned structure, through setting up sealing washer 15 in the tip of spliced pole 11, and the first contact pin 21 of first contact pin group 20 and the second contact pin 41 cooperation department of second contact pin group 40 are located inserting groove 31 the middle part of first slot 311 promptly, have improved waterproof performance, carry out waterproofly from the tip of spliced pole 11, have reduced the ponding risk that first joint 10 and second joint 30 two put perpendicularly.

It should be noted that the number of the sealing rings 15 is two, and the plug column 11 is provided with an annular groove matched with the sealing ring 15.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The utility model is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (10)

1. A connector, comprising:

the connector comprises a first connector (10) and a second connector, wherein the first connector (10) is provided with a plug column (11), and a first plug pin group (20) is connected to the first connector (10);

the second connector (30) is provided with an inserting groove (31), and the second connector (30) is connected with a second inserting needle group (40) penetrating through the inserting groove (31);

the plug column (11) is provided with a first locking part (51), the plug groove (31) is internally provided with a second locking part (52), the plug column (11) is plugged with the plug groove (31) so as to electrically connect the first pin group (20) and the second pin group (40), and a partial area of the first locking part (51) is buckled with the second locking part (52).

2. The connector according to claim 1, wherein the insertion groove (31) comprises a first insertion groove (311) and a second insertion groove (312) communicated with the first insertion groove (311), the first insertion groove (311) is matched with the insertion column (11) and is inserted into the insertion column (11);

the second locking portion (52) is disposed in the second insertion groove (312), and the second insertion groove (312) is used for guiding the first locking portion (51) and the second locking portion (52) to be locked.

3. The connector according to claim 2, wherein the plug-in post (11) is provided with positioning protruding plates (111) on two sides of the first locking portion (51), the positioning protruding plates (111) can be inserted into the second slot (312), and the two positioning protruding plates (111) abut against two opposite side walls of the second slot (312) one by one to limit the relative rotation of the first joint (10) and the second joint (30);

the side wall of the first slot (311) is provided with an avoiding gap extending to the end part along the axis of the side wall, the first slot (311) is communicated with the second slot (312) through the avoiding gap, and the avoiding gap is used for avoiding the positioning convex plate (111) and the first locking part (51).

4. A connector according to claim 2 or 3, wherein the first locking portion (51) is an elastic member disposed along the length direction of the plug post (11), and the elastic member is provided with a locking hole (511);

the second locking part (52) is a projection arranged in the second slot (312), and the projection is in inserted fit with the clamping hole (511).

5. The connector of claim 4, wherein one end of the elastic member is a fixed end (512), the fixed end (512) is fixedly disposed on the plug-in post (11), the other end of the elastic member is a free end (513), the fixed end (512), the locking hole (511) and the free end (513) are sequentially disposed, and a distance between the free end (513) and an end surface of the plug-in post (11) close to the plug-in slot (31) is greater than a distance between the fixed end (512) and an end surface of the plug-in post (11) close to the plug-in slot (31).

6. The connector of claim 5, wherein the elastic member is provided with a first inclined surface (514) extending from the fixed end (512) to the locking hole (511), the distance between the first inclined surface (514) and the outer wall of the plug post (11) gradually increases from the end surface close to the plug post (11) to the end surface far away from the plug, and the protrusion is provided with a second inclined surface (521) engaged with the first inclined surface (514).

7. The connector according to claim 5, wherein a first cable (60) is connected to the first pin group (20), a first tail sleeve (70) is arranged at one side of the first joint (10) and is screwed with the first cable (60) in a sleeved mode, and a first rib (71) close to the free end (513) of the elastic piece is arranged on the first tail sleeve (70) along the length direction of the first tail sleeve; the distance between the top surface of the first rib (71) and the axis of the first joint (10) gradually increases towards the direction of the elastic piece, and the height of the top surface of the first rib (71) close to the free end (513) of the elastic piece is flush with the height of the top surface of the free end (513) of the elastic piece.

8. Connector according to claim 1 or 2, characterized in that the first pin group (20) comprises a plurality of first pins (21) and the second pin group (40) comprises a plurality of second pins (41);

the plug column (11) is provided with a first covering structure for covering the outer wall of the first contact pin (21), the plug groove (31) is provided with a second covering structure for covering the outer wall of the second contact pin (41), and partial area of the first covering structure can be sleeved outside the second covering structure when the first contact pin (21) is electrically connected with the second contact pin (41).

9. The connector according to claim 8, wherein the plug post (11) is provided with a first recess (12), the first covering structure comprises a plurality of first bosses (13) arranged in the first recess (12), and each first pin (21) penetrates through the first recess (12) and is surrounded by each first boss (13);

the improved structure is characterized in that a convex column (32) inserted in the first groove (12) is arranged in the insertion groove (31), the second covering structure comprises a plurality of second grooves (33) formed in the convex column (32), second bosses (34) are arranged in the second grooves (33), each second insertion pin (41) penetrates through the convex column (32) and is surrounded by each second boss (34), an annular concave position (14) for the second bosses (34) to be inserted is arranged on the first boss (13), and the side wall of the first boss (13) located at the annular concave position (14) is inserted between the second grooves (33) and the second bosses (34).

10. The connector of claim 9, wherein the mating position of the first pin (21) and the second pin (41) is located at the middle of the length direction of the insertion groove (31);

a sealing ring (15) sleeved on the outer wall of the insertion column (11) is arranged between the insertion column (11) and the insertion groove (31), and the sealing ring (15) is located on the end part of the insertion column (11) facing the insertion groove (31) and deviates from the middle part of the insertion groove (31) in the length direction.

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