CN114784547A

CN114784547A - Connector with easily-detached replaceable terminals

Info

Publication number: CN114784547A
Application number: CN202210502642.6A
Authority: CN
Inventors: 王红女; 付志军; 刘燕青; 刘建; 刘勇建; 宋福归
Original assignee: Jiangxi Hangtong Electric Technology Co ltd
Current assignee: Jiangxi Hangtong Electric Technology Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-07-22

Abstract

The invention relates to the technical field of electric connectors, in particular to a connector with an easily-detachable and replaceable terminal, which comprises an equipment end main body, a line end main body and a line end shell, wherein the equipment end main body comprises an equipment end main body I, an equipment end main body II, a female terminal and a backstop snap spring, the line end main body comprises a line end main body I, a line end main body II, a male terminal and a backstop snap spring, the lower end of the equipment end main body I is spliced with the upper end of the line end main body I, the lower end of the line end main body is connected with the line end shell, the tail end of the line end shell is provided with a lead sealing and fastening structure, the equipment end and the line end main body are designed into a body structure, and the connection is realized by utilizing a buckle and/or a nut locking mode.

Description

Connector with easily-detached replaceable terminals

Technical Field

The invention relates to the technical field of electric connectors, in particular to a connector with terminals being easy to disassemble and replace.

Background

The connection of the alternating current output end on the photovoltaic low-power inverter and the connection of the alternating current input and output of the energy storage system are realized through the connector product, the internal and external wiring of the cabinet body is separated, and after a terminal and a cable wire are well crimped by a client through a crimping pliers, the terminal is inserted into the equipment end main body shell and the wire end main body shell. After the terminal is inserted, the cable is prevented from falling off and cannot be easily pulled out, so that the conventional connector is generally designed into a stopping structure, if the terminal with the wrong wiring needs to be pulled out for replacement when the wiring is wrong, a main plastic part needs to be damaged, the connector cannot be reused, and waste is caused.

Disclosure of Invention

The present invention is to provide a connector with easily detachable and replaceable terminals to solve the above problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a connector with a terminal capable of being easily disassembled and replaced comprises an equipment terminal main body 1, a terminal main body 2 and a terminal shell 3;

the equipment end main body 1 comprises an equipment end main body I101, an equipment end main body II 102, a female terminal 103 and a backstop clamp spring 104, a plurality of through terminal assembly holes are formed in the equipment end main body I101 and the equipment end main body II 102 in a hollow mode, the lower end of the equipment end main body II 102 is inserted into the upper end of the equipment end main body I101, the backstop clamp spring 104 is fixedly pressed in the terminal assembly holes, and the female terminal 103 is inserted into the backstop clamp spring 104 through the terminal assembly holes and fixed after wiring;

the line end main body 2 comprises a line end main body I201, a line end main body II 202, a male terminal 203 and a backstop clamp spring 104, a plurality of through terminal assembly holes are formed in the line end main body I201 and the line end main body II 202 in a hollow mode, the lower end of the line end main body I201 is inserted into the upper end of the line end main body II 202 in an inserted mode, the backstop clamp spring 104 is fixedly pressed in the terminal assembly holes, and the male terminal 203 is inserted into the backstop clamp spring 104 through the terminal assembly holes and fixed after wiring;

the lower end of the first equipment end main body 101 is connected with the upper end of the first wire end main body 201 in an inserting mode, the lower end of the wire end main body 2 is connected with a wire end outer shell 3, the wire end outer shell 3 is arranged in a hollow mode, and a wire sealing and fastening structure is arranged at the tail end of the wire end outer shell 3.

Preferably, the female terminal 103 is formed by stamping and rolling a metal plate, one end of the female terminal 103 is provided with a socket 1032, the other end of the female terminal 103 is provided with a first rivet cup 1031, and the periphery of the tail end of the socket 1032 is uniformly provided with first stopping bosses 1033;

preferably, the male terminal 203 is formed by stamping and rolling a metal plate, the right side of the male terminal 203 is provided with a contact pin 2032, the left end of the male terminal 203 is provided with a second rivet cup 2031, and the periphery of the tail end of the contact pin 2032 is uniformly provided with a second backstop boss 2033;

preferably, the retaining clamp spring 104 is formed by stamping and rolling a metal plate, the end of the retaining clamp spring 104 is uniformly provided with an outwards-turned skirt margin I1041, and the middle of the retaining clamp spring 104 is uniformly provided with an upwards-turned skirt margin II 1042.

Preferably, a first flange 1015 is arranged on the outer side of the middle part of the first device end main body 101, a first device end nut 1013 is connected to the upper end of the first device end main body 101 in a threaded manner, and a first sealing ring 1014 is arranged between the first device end nut 1013 and the first flange 1015;

a plug 1021 is formed by the lower end wall of a terminal assembling hole in the second equipment end body 102 in a protruding mode, the retaining snap spring 104 is embedded into the plug 1021, a first retaining boss 1024 is arranged on the inner wall of the middle of the plug 1021, and the first skirt edge 1041 abuts against the first retaining boss 1024;

the upper end wall of the terminal assembling hole in the equipment end main body I101 is protruded to form a socket 1011, the plug 1021 is inserted into the socket 1011, and the wall of the socket 1011 extends upwards along the female terminal 103 and is inserted into the plug 1021 and abuts against the anti-return clamp spring 104 to fix the plug;

a flange second 2012 is arranged on the outer side of the middle part of the first wire end main body 201, a terminal assembling hole wall in the first wire end main body 201 protrudes to form a second socket 2011, and the wall of the first socket 1011 extends downwards along the female terminal 103 and is inserted into the second socket 2011; a clamping groove is formed in the outer side of the upper portion of the first line end main body 201, and a first sealing ring 2014 for sealing the first line end main body 201 and the second equipment end main body 102 is sleeved in the clamping groove;

the wall of the terminal assembling hole wall in the second wire end main body 202 forms a third socket 2021, the backstop clamp spring 104 is embedded into the third socket 2021, a second backstop boss 2028 is arranged on the inner wall of the middle of the third socket 2021, and the first skirt edge 1041 abuts against the second backstop boss 2028;

the inner wall of the second socket 2011 extends downwards along the male terminal 203 and is inserted into the third socket 2021 to abut against the retaining snap spring 104 to fix the second socket, and the pin 2032 of the male terminal 203 is inserted into the cavity of the second socket 2011 and is plugged into the socket 1032 of the female terminal 103.

Preferably, the locking sleeve 206 is sleeved below the second flanged side 2012, the inner wall of the locking sleeve 206 is provided with at least two locking sleeve bosses 2061, the corresponding first equipment end main body 101 is provided with at least two guide sliding grooves 1012, and the locking sleeve bosses 2061 are clamped into the guide sliding grooves 1012 to be rotationally clamped, so that the first equipment end main body 101 and the first line end main body 201 are fixedly connected.

Preferably, a third external thread 2019 is arranged below the first line end main body 201, an internal thread 3019 is arranged at the upper end of the line end shell 301, and the third external thread 2019 is matched with the internal thread 3019 to fix the first line end main body 201 and the line end shell 301;

the outer side of the first wire end main body 201 at the upper end of the third external thread 2019 is provided with a fourth flange 2018, the inner side of the upper end of the corresponding wire end shell 301 is provided with a limiting boss 3018, and the outer side of the first wire end main body 201 is provided with a sealing ring for sealing the first wire end main body 201 with the wire end shell 301.

Preferably, the first equipment end body 101 is provided with an embedded nut 106, the second corresponding equipment end body 102 is provided with a first mounting portion 1023, and a fastening bolt 107 is arranged to fix the first equipment end body 101 and the second equipment end body 102, although a snap connection mode can be adopted instead.

Preferably, the embedded nut 106 is arranged at the lower end of the first line end main body 201, the corresponding second line end main body 202 is provided with the second mounting part 2029, and the fastening bolt 107 is arranged to fix the first line end main body 201 and the second line end main body 202, and the second line end main body 202 can be embedded into the first line end main body 201, although a snap connection mode can be adopted instead.

Preferably, the wire sealing fastening structure comprises a clamping jaw 3013, a fastening ring 303 and a wire end screw cap 304, a second external thread 3012 is arranged on the wire end outer shell 3, the second external thread 3012 is connected with the wire end screw cap 304, the clamping jaw 3013 is connected and arranged at the tail end of the wire end outer shell 3 or is arranged separately from the wire end outer shell 3, and the fastening ring 303 is sleeved in the clamping jaw 3013.

Preferably, a flat gasket 2071 and a wave washer 2072 are arranged between the second flange 2012 and the locking sleeve 206, so that the locking sleeve 206 is tightly clamped with the first equipment end main body 101, a protruding elastic sheet is arranged on the first equipment end main body 101, a button and a blocking groove are arranged on the corresponding locking sleeve 206, when the locking sleeve 206 and the first equipment end main body 101 are rotationally clamped in place, the elastic sheet just abuts against the blocking groove, so that the locking sleeve 206 and the first equipment end main body 101 cannot be easily rotated, when the connection needs to be released, the button is pressed down, the elastic sheet is separated from the blocking groove, and the locking sleeve 206 and the first equipment end main body 101 can be relatively rotated and rotationally separated.

Preferably, a fourth seal 2015 and a fifth seal 2016 are respectively arranged on the upper side and the lower side of the fourth flange 2018 to seal the first line end main body 201 and the line end housing 3.

Compared with the prior art, the invention has the beneficial effects that:

the equipment end and the design of line end main part divide the somatic structure, utilize locking methods such as nut, bolt to be connected, easy operation is convenient when installation and dismantlement, and the stopping mode uses stopping jump ring part fixed terminal alone, plays the stopping effect, and this kind of structure stopping effect is obvious, easily management and control and assurance terminal withdrawal force. Especially, the connector is detached in a split manner without damaging the main plastic part during detachment, so that the terminal can be pulled out and can be reused after being replaced.

Drawings

FIG. 1 is a schematic view of a terminal assembly according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the overall structure of the embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 4 is an exploded view of the device side body structure according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of the main structure of the device end according to the embodiment of the present invention;

fig. 6 is an exploded view of the structure of the device end body and the wire end body according to the embodiment of the present invention;

FIG. 7 is a cross-sectional view of a wire end body structure according to an embodiment of the present invention;

FIG. 8 is an exploded view of a wire end housing configuration according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of a wire end housing configuration according to an embodiment of the present invention;

fig. 1-9 are numbered as follows:

1-device end main body, 101-device end main body I, 1011-socket I, 1013-device end nut, 1014-sealing ring I, 1015-flange edge I, 1016-guide sliding groove, 102-device end main body II, 1021-plug, 1024-backstop boss I, 103-female terminal, 1031-rivet cup I, 1032-plug bush, 1033-backstop boss I, 1034-dovetail groove, 1035-limit elastic sheet, 1036-elastic drum spring, 104-backstop clamp spring, 1041-skirt I, 1042-skirt II, 106-embedded nut, 107-fastening bolt, 2-wire end main body, 201-wire end main body I, 2011-socket II, 2012-flange edge II, 2014-sealing ring I, 2015-sealing ring IV, 2016-sealing ring five, 2016-sealing ring five, 2019-a third external thread, 202-a second main body of a wire end, 2021-a third socket, 2028-a second stopping boss, 2029-a second mounting part, 203-a male terminal, 2031-a second riveting cup, 2032-a pin, 2033-a second stopping boss, 206-a locking sleeve, 2061-a locking sleeve boss, 2071-a flat pad, 2072-a wave washer, a 3-a wire end shell, 301-a shell body, 3012-a second external thread, 3013-a clamping claw, 3018-a limiting boss, 3019-an internal thread, 303-a fastening ring and 304-a screw cap of the wire end.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-9, the present invention provides a technical solution:

a connector with a terminal capable of being easily disassembled and replaced comprises an equipment terminal main body 1, a terminal main body 2 and a terminal shell 3;

the equipment end main body 1 comprises an equipment end main body I101, an equipment end main body II 102, a female terminal 103 and a backstop clamp spring 104, a plurality of terminal assembly holes are formed in the equipment end main body I101 and the equipment end main body II 102 in a hollow mode, the lower end of the equipment end main body II 102 is inserted into the upper end of the equipment end main body I101, the backstop clamp spring 104 is fixedly pressed in the terminal assembly holes, and the female terminal 103 is inserted into the backstop clamp spring 104 through the terminal assembly holes and fixed after wiring;

the wire end main body 2 comprises a wire end main body I201, a wire end main body II 202, a male terminal 203 and a backstop clamp spring 104, a plurality of terminal assembly holes are formed in the wire end main body I201 and the wire end main body II 202 in a hollow mode, the lower end of the wire end main body I201 is inserted into the upper end of the wire end main body II 202, the backstop clamp spring 104 is fixedly connected into the terminal assembly holes in a pressing mode, and the male terminal 203 is fixedly inserted into the backstop clamp spring 104 through the terminal assembly holes after wiring;

The female terminal 103 is formed by stamping and rolling a metal plate, one end of the female terminal 103 is provided with a plug bush 1032, the other end of the female terminal 103 is provided with a first riveting cup 1031, and the periphery of the tail end of the plug bush 1032 is uniformly provided with a first stopping boss 1033;

the male terminal 203 is formed by stamping and rolling a metal plate, a contact pin 2032 is arranged on the right side of the male terminal 203, a rivet cup second 2031 is arranged at the left end of the male terminal 203, and a stopping boss second 2033 is uniformly arranged on the periphery of the tail end of the contact pin 2032;

the anti-return clamp spring 104 is formed by stamping and rolling metal plates, the end of the anti-return clamp spring 104 is uniformly provided with an outwards-turned skirt edge I1041, the middle of the anti-return clamp spring 104 is uniformly provided with an upwards-turned skirt edge II 1042, and after the female terminal 103 is inserted into the anti-return clamp spring 104 in place, the anti-return boss I1033 is clamped with the skirt edge II 1042 to prevent the female terminal 103 from being pulled out and the male terminal from being pulled out. This kind of independent plane blocks the stopping jump ring, and mould processing is simple, and the shaping is easy, and the stopping effect is obvious, the easy management and control. Original structure becomes the stopping jump ring draw-in groove for product internal design, makes mould structure processing complicated, difficult shaping, and the stopping effect is difficult to the management and control.

The first device end main body 101 is provided with a first flange 1015 on the outer side of the middle part, the upper end of the first device end main body 101 is in threaded connection with a device end nut 1013, a first sealing ring 1014 is arranged between the device end nut 1013 and the first flange 1015, the first device end main body 101 is inserted into an opening of an electric box shell during installation, the device end nut 1013 is screwed from the inner side, and the first sealing ring 1014 is sleeved between the device end nut 1013 and the electric box shell to play a role in sealing;

a plug 1021 is formed by the lower end wall of a terminal assembling hole in the second equipment end main body 102 in a protruding mode, the backstop clamp spring 104 is embedded into the plug 1021, a backstop boss I1024 is arranged on the inner wall of the middle of the plug 1021, and the skirt edge I1041 abuts against the backstop boss I1024;

the upper end wall of an assembly hole of the terminal in the first equipment end main body 101 is protruded to form a socket 1011, the plug 1021 is inserted into the socket 1011, the wall of the socket 1011 extends upwards along the female terminal 103 and is inserted into the plug 1021 and abuts against the backstop clamp spring 104 to fix the plug, a product is not damaged during disassembly and can be repeatedly used, the effect of reducing the cost of the product is achieved while the disassembly is convenient, and the length of the inner wall of the socket 1011 is basically flush with that of the insertion sleeve 1032 of the female terminal 103;

a flange second 2012 is arranged on the outer side of the middle part of the first wire end main body 201, a terminal assembling hole wall in the first wire end main body 201 protrudes to form a second socket 2011, and the wall of the first socket 1011 extends downwards along the female terminal 103 and is inserted into the second socket 2011; the outside of a line end main part 201 upper portion is provided with the draw-in groove, and the draw-in groove endotheca is equipped with a sealing washer 2014 sealed with a line end main part 201 and two 102 of equipment end main part, and specific theory: the first sealing ring 2014 is sealed between the wall of the external thread 2013 and the outer wall of the second equipment end main body 102, and the outer wall of the second equipment end main body 102 is inserted between the wall of the external thread 2013 and the wall of the second socket 2011;

the inner terminal assembling hole wall in the second wire end main body 202 forms a third socket 2021, the backstop clamp spring 104 is embedded into the third socket 2021, a second backstop boss 2028 is arranged on the inner wall of the middle part of the third socket 2021, and the first skirt edge 1041 abuts against the second backstop boss 2028;

Wherein, the locking sleeve 206 is sleeved below the second 2012 flange edge, the inner wall of the locking sleeve 206 is provided with at least two locking sleeve bosses 2061, the corresponding first equipment end main body 101 is provided with at least two guide sliding grooves 1012, the locking sleeve bosses 2061 are clamped into the guide sliding grooves 1012 to be rotationally clamped, and the first equipment end main body 101 and the first line end main body 201 are fixedly connected.

The lower part of the first line end main body 201 is provided with a third external thread 2019, the upper end of the line end shell 301 is provided with an internal thread 3019, and the third external thread 2019 is matched with the internal thread 3019 to fix the first line end main body 201 and the line end shell 301;

the outer side of the first wire end main body 201 at the upper end of the third external thread 2019 is provided with a fourth flange 2018, the inner side of the upper end of the corresponding wire end outer shell 301 is provided with a limiting boss 3018, the fourth flange 2018 is matched with the limiting boss 3018 to limit the rotation of the wire end outer shell 301 to the position, and the outer side of the first wire end main body 201 is provided with a sealing ring to seal the first wire end main body 201 with the wire end outer shell 301.

The first equipment end main body 101 is internally provided with an embedded nut 106, the second corresponding equipment end main body 102 is provided with a first mounting part 1023, and a fastening bolt 107 is arranged to fix the first equipment end main body 101 and the second equipment end main body 102.

The embedded nut 106 is arranged at the lower end of the first line end main body 201, the corresponding second line end main body 202 is provided with a second installation part 2029, the fastening bolt 107 is arranged to fix the first line end main body 201 and the second line end main body 202, and the second line end main body 202 can be embedded into the first line end main body 201.

Wherein, the sealed fastening structure of wire includes clamping jaw 3013, tight loop 303, line terminal screw cap 304, is provided with two external screw threads 3012 on the terminal shell 3, and two external screw threads 3012 are connected with line terminal screw cap 304, and clamping jaw 3013 and the components of a whole that can function independently setting of line terminal shell 3, and the clamping jaw 3013 endotheca is equipped with tight loop 303, and clamping jaw 3013 presss from both sides the tight loop 303 of clamp and then the tight wire of clamp realizes sealedly when line terminal screw cap 304 is screwed up.

Wherein, be provided with flat packing 2071 and wave washer 2072 between flange two 2012 and the locking sleeve 206, make locking sleeve 206 and equipment end main part 101 joint closely, be provided with convex shell fragment on the equipment end main part 101, be provided with button and shelves groove on the locking sleeve 206 that corresponds, when locking sleeve 206 and equipment end main part 101 rotatory joint target in place, the shell fragment just contradicts shelves groove, make locking sleeve 206 and equipment end main part 101 can not rotate easily, when needing to remove the connection, press the button, make shell fragment and shelves groove break away from, locking sleeve 206 and equipment end main part 101 can rotate relatively and rotatory the separation.

Wherein, the upper and lower both sides of the four 2018 flange edges are respectively provided with a four-sealing ring 2015, and a five-sealing ring 2016, which seals the first line end main body 201 with the line end housing 3.

Wherein, the first riveting cup 1031 and the second riveting cup 2031 are used for wiring.

The first device end main body 101, the second device end main body 102, the first wire end main body 201, the second wire end main body 202 and the wire end shell 3 can be designed to be fool-proof structures, installation efficiency can be improved, and misconnection is avoided.

The terminal assemblies in the connector of the embodiment of the invention are provided with 3 groups, but the size of the connector can be changed according to actual needs to adapt to a plurality of groups or a single group of terminal assemblies.

Although the structures shown in the present embodiment are fixedly connected by threads or bolts, the equivalent alternative scheme implemented by the conventional snap-fit manner does not depart from the scope of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connector of quick detachable removable terminal which characterized in that: the device comprises an equipment end main body (1), a wire end main body (2) and a wire end shell (3);

the equipment end main body (1) comprises an equipment end main body I (101), an equipment end main body II (102), a female terminal (103) and a backstop clamp spring (104), wherein a plurality of through terminal assembly holes are formed in the equipment end main body I (101) and the equipment end main body II (102) in a hollow mode, the lower end of the equipment end main body II (102) is inserted into the upper end of the equipment end main body I (101), the backstop clamp spring (104) is fixedly pressed in the terminal assembly holes, and the female terminal (103) is inserted into the backstop clamp spring (104) through the terminal assembly holes after wiring and is fixed;

the wire end main body (2) comprises a wire end main body I (201), a wire end main body II (202), a male terminal (203) and a retaining snap spring (104), a plurality of through terminal assembly holes are formed in the wire end main body I (201) and the wire end main body II (202) in a hollow mode, the lower end of the wire end main body I (201) is spliced with the upper end of the wire end main body II (202), the retaining snap spring (104) is fixedly connected into the terminal assembly holes in a pressing mode, and the male terminal (203) is fixedly inserted into the retaining snap spring (104) through the terminal assembly holes after being connected;

the lower end of the first equipment terminal main body (101) is connected with the upper end of the first wire terminal main body (201) in an inserting mode, the lower end of the wire terminal main body (2) is connected with a wire terminal outer shell (3), the wire terminal outer shell (3) is arranged in a hollow mode, and a wire sealing and fastening structure is arranged at the tail end of the wire terminal outer shell (3).

2. A connector of an easily detachable and replaceable terminal according to claim 1, wherein: the female terminal (103) is formed by stamping and rolling a metal plate, one end of the female terminal (103) is provided with a plug bush (1032), the front end of an inner hole of the plug bush is fixed with an elastic drum spring (1036), the other end of the female terminal (103) is provided with a first riveting cup (1031), and the periphery of the tail end of the plug bush (1032) is uniformly provided with first stopping bosses (1033);

the male terminal (203) is formed by adopting a metal plate in a stamping and rolling mode, a contact pin (2032) is arranged on the right side of the male terminal (203), a riveting cup II (2031) is arranged at the left end of the male terminal (203), and a backstop boss II (2033) is uniformly arranged on the periphery of the tail end of the male terminal (203);

the anti-return clamp spring (104) is formed by adopting a metal plate in a stamping and rolling mode, an outwards-turned skirt edge I (1041) is uniformly arranged at the tail end of the anti-return clamp spring (104), and an upwards-turned skirt edge II (1042) is uniformly arranged in the middle of the anti-return clamp spring (104).

3. The connector of claim 2, wherein:

a first flange edge (1015) is arranged on the outer side of the middle part of the first equipment end main body (101), an equipment end nut (1013) is in threaded connection with the upper end of the first equipment end main body (101), and a first sealing ring (1014) is arranged between the equipment end nut (1013) and the first flange edge (1015);

a plug (1021) is formed by protruding the lower end wall of a terminal assembling hole in the second equipment end body (102), the backstop snap spring (104) is embedded into the plug (1021), a backstop boss I (1024) is arranged on the inner wall of the middle of the plug (1021), and the skirt edge I (1041) abuts against the backstop boss I (1024);

the upper end wall of an assembly hole of an inner terminal of the equipment end main body I (101) is protruded to form a socket (1011), the plug (1021) is inserted into the socket I (1011), and the wall of the socket I (1011) extends upwards along the female terminal (103) and is inserted into the plug (1021) and abuts against the backstop clamp spring (104) to fix the plug;

a second flange (2012) is arranged on the outer side of the middle of the first wire end main body (201), the assembling hole wall of the terminal in the first wire end main body (201) protrudes to form a second socket (2011), and the wall of the first socket (1011) extends downwards along the female terminal (103) and is inserted into the second socket (2011); a clamping groove is formed in the outer side of the upper portion of the first line end main body (201), and a first sealing ring (2014) for sealing the first line end main body (201) and the second equipment end main body (102) is sleeved in the clamping groove;

the inner terminal assembling hole wall of the wire end main body II (202) forms a socket III (2021), the retaining clamp spring (104) is embedded into the socket III (2021), a retaining boss II (2028) is arranged on the inner wall of the middle part of the socket III (2021), and the skirt edge I (1041) abuts against the retaining boss II (2028);

the inner wall of the second socket (2011) extends downwards along the male terminal (203) and is inserted into the third socket (2021) to abut against the retaining snap spring (104) to fix the third socket, and the inserting pin (2032) of the male terminal (203) is inserted into the cavity of the second socket (2011) and is inserted into the inserting sleeve (1032) of the female terminal (103) to be inserted.

4. A connector of an easily detachable and replaceable terminal according to claim 3, wherein: the flange limit two (2012) below cover is equipped with locking sleeve (206), locking sleeve (206) inner wall sets up two at least locking sleeve bosss (2061), corresponds be provided with two at least guide chute (1012) on equipment end main part (101), locking sleeve boss (2061) card is gone into guide chute (1012) rotatory joint is connected fixedly equipment end main part (101) and line terminal main part (201).

5. The connector of claim 4, wherein: a third external thread (2019) is arranged below the first wire end main body (201), an internal thread (3019) is arranged at the upper end of the wire end outer shell (301), and the third external thread (2019) is matched with the internal thread (3019) to fix the first wire end main body (201) and the wire end outer shell (301);

the outer side of a first wire end main body (201) at the upper end of the external thread three (2019) is provided with a fourth flange (2018), the inner side of the upper end of the corresponding wire end shell (301) is provided with a limiting boss (3018), and the outer side of the first wire end main body (201) is provided with a sealing ring to seal the first wire end main body (201) and the wire end shell (301).

6. A connector of an easily detachable and replaceable terminal according to claim 3, wherein: the embedded nut (106) is arranged in the first equipment end main body (101), the first installation part (1023) is correspondingly arranged in the second equipment end main body (102), and the first equipment end main body (101) and the second equipment end main body (102) are fixed through the fastening bolt (107).

7. A connector of an easily disassembled and replaceable terminal as claimed in claim 3, wherein: the lower end of the first wire end main body (201) is provided with an embedded nut (106), the corresponding second wire end main body (202) is provided with a second installation part (2029), a fastening bolt (107) is arranged to fix the first wire end main body (201) and the second wire end main body (202), and the second wire end main body (202) can be embedded into the first wire end main body (201).

8. A connector of an easily detachable and replaceable terminal according to any one of claims 1 to 7, wherein: the lead sealing and fastening structure comprises a clamping jaw (3013), a fastening ring (303) and a wire end screw cap (304), wherein a second external thread (3012) is arranged on the wire end shell (3), the second external thread (3012) is connected with the wire end screw cap (304), the clamping jaw (3013) is connected and arranged at the tail end of the wire end shell (3) or is arranged in a split mode with the wire end shell (3), and the fastening ring (303) is arranged in the clamping jaw (3013) in a sleeved mode.