CN114512842A - Charging gun terminal assembling structure - Google Patents
Charging gun terminal assembling structure Download PDFInfo
- Publication number
- CN114512842A CN114512842A CN202210157939.3A CN202210157939A CN114512842A CN 114512842 A CN114512842 A CN 114512842A CN 202210157939 A CN202210157939 A CN 202210157939A CN 114512842 A CN114512842 A CN 114512842A
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- China
- Prior art keywords
- terminal
- connecting seat
- cylindrical shell
- charging gun
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000002788 crimping Methods 0.000 claims description 53
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 4
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 11
- 230000002512 anti-withdrawal effect Effects 0.000 description 9
- 238000005452 bending Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 7
- 239000003292 glue Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a charging gun terminal assembly structure, which comprises a conductive main body and an insulating connecting seat, wherein the insulating connecting seat is fixedly sleeved outside the conductive main body, one end of the conductive main body is provided with an electric connection part for wiring, the other end of the conductive main body is provided with a cylindrical structure for inserting a charging gun, the side wall of the cylindrical structure is provided with at least two elastic cantilevers capable of elastically deforming along the radial direction of the cylindrical structure at intervals along the circumferential direction, the free ends of the elastic cantilevers face to one side surface of the central line of the cylindrical structure to form electric contact parts, the electric contact parts can be tightly contacted with the charging gun inserted into the cylindrical structure, and the distance from the electric contact parts on the elastic cantilevers to the central line of the communication structure is smaller than the radius of an inner ring of the cylindrical structure The charging is stable, and the battery is not easy to damage after long-term use.
Description
Technical Field
The present disclosure relates to connectors, and particularly to a terminal assembly structure of a charging gun.
Background
Electric automobile or some large-scale electrical equipment often need to charge, will be as charging the rifle 2 of public end inserts in the charging connector 1 as the female end that charges on the equipment during charging, charging connector charges after with the rifle electrical property contact, charging connector mainly is at present in the cylindric socket equipment spring clamp or spring wire, the rifle that charges inserts back and spring clamp or spring wire electrical contact, the charging connector structure of this kind of structure is complicated, spring clamp or spring wire equipment difficulty, high in production cost, and spring clamp and spring wire damage easily.
Disclosure of Invention
In order to make up for the defects, the invention provides the charging gun terminal assembling structure which is convenient to process and manufacture, low in production cost, good in charging stability and not easy to damage.
The technical scheme adopted by the invention for solving the technical problem is as follows: the utility model provides a rifle terminal package assembly charges, includes conductive body and insulating connecting seat, the conductive body outside is located to the fixed cover of insulating connecting seat, and conductive body one end is formed with the electric connection portion that is used for the wiring, and the conductive body other end forms the barrel structure that supplies the rifle male that charges, be equipped with at least two elastic cantilever that can follow the radial elastic deformation of barrel structure along its circumferencial direction spaced on the barrel structure lateral wall, elastic cantilever's free end forms electric contact portion towards a side surface of barrel structure central line, electric contact portion can with the rifle in close contact with that charges who inserts the barrel structure, and the distance of electric contact portion on each elastic cantilever to the communication structure central line is less than the barrel structure inner ring radius.
As a further improvement of the invention, the conductive body is of a sheet metal integrally molded structure or comprises a crimping piece terminal and a cylindrical shell, the crimping piece terminal is of a cylindrical or annular cylindrical structure, the electrical connection part is arranged at one end of the crimping piece terminal, each elastic cantilever is arranged at the other end of the crimping piece terminal, the cylindrical shell is fixedly sleeved and connected with the crimping piece terminal, and the electrical contact part of each elastic cantilever is always positioned in the cylindrical shell.
As a further improvement of the present invention, the structure for fixedly sleeving and connecting the cylindrical housing and the crimp member terminal is as follows: the cylindrical shell is characterized in that at least two elastic connecting sheets are arranged on one end of the cylindrical shell at intervals in the circumferential direction of the cylindrical shell, a fixing convex hull is arranged on one side wall of the elastic connecting sheet facing the center line of the cylindrical shell, at least two fixing holes are arranged on the outer side wall of the periphery of the crimping piece terminal at intervals in the circumferential direction of the crimping piece terminal, and the fixing convex hulls can be inserted into the fixing holes in a one-to-one correspondence mode.
As a further improvement of the present invention, the insulation connecting seat is provided with at least one open first guiding and limiting groove, the elastic connecting sheet on the cylindrical shell can be correspondingly inserted into the first guiding and limiting groove through the opening of the first guiding and limiting groove, the side wall of the first guiding and limiting groove stops on the side wall of the elastic connecting sheet on the cylindrical shell, the surface of the insulation connecting seat facing one end of the cylindrical shell forms a plastic limiting surface, and one end of the cylindrical shell stops on the plastic limiting surface of the insulation connecting seat.
As a further improvement of the present invention, the structure for fixedly sleeving and connecting the cylindrical housing and the crimp member terminal is as follows: the cylindric shell is served and is equipped with two at least anti-moving back inserted sheets along its circumferencial direction interval arrangement, every anti-moving back inserted sheet forms the T shape structure that the free end width is greater than the root width, be equipped with two at least T shape opening draw-in grooves along its circumferencial direction interval arrangement on the insulating connecting seat lateral wall, each anti-moving back inserted sheet can one-to-one insert locate in the T shape opening draw-in groove on the insulating connecting seat lateral wall, and every anti-moving back step face that forms between inserted sheet free end and the root is stopped on the inside step face of T shape opening draw-in groove.
As a further improvement of the invention, one end of the cylindrical shell is further provided with at least one guide insertion piece, the insulation connecting seat is further provided with at least one open second guide limiting groove, the guide insertion piece on the cylindrical shell can be correspondingly inserted into the second guide limiting groove through the opening of the second guide limiting groove, and the side wall of the second guide limiting groove is stopped on the side wall of the guide insertion piece on the cylindrical shell.
As a further improvement of the invention, the anti-withdrawal connecting device is also provided with an insulating protective sleeve which is fixedly sleeved outside the insulating connecting seat, and the anti-withdrawal inserting piece in the T-shaped opening clamping groove and the guide inserting piece in the second guide limiting groove tightly abut against the inner side wall of the insulating protective sleeve.
As a further improvement of the present invention, the structure for fixedly sleeving and connecting the cylindrical housing and the crimp member terminal is as follows: the fixed cover of insulating connecting seat one end is located the crimping terminal outside, has between insulating connecting seat other end inside wall and the crimping terminal lateral wall to set for the clearance, be formed with female thread structure on the insulating connecting seat other end inside wall, be equipped with the external screw thread structure on one end lateral wall of cylindric shell, the cylindric shell other end can be inserted and locate the clearance between the insulating connecting seat other end and crimping end lateral wall, the female thread structure spiro union on the external screw thread of the cylindric shell other end and the insulating connecting seat other end inside wall.
As a further improvement of the present invention, the cylindrical housing and the crimp terminal are fixedly positioned by laser welding.
As a further improvement of the invention, a plurality of tin dissolving holes are uniformly arranged on the side wall of the cylindrical shell at intervals, and tin balls are fixedly arranged in the tin dissolving holes.
The beneficial technical effects of the invention are as follows: the invention forms a cylindrical structure on the conductive main body for inserting a charging gun, forms a plurality of elastic cantilevers on the side wall of the cylindrical structure, forms an electric contact part on the free end of the elastic cantilever, the elastic cantilever elastically deforms along the radial direction of the cylindrical structure to clamp the inserted charging gun, and further realizes stable electric connection, the conductive main body is formed into an integral structure by one-time stamping and bending of a sheet metal, or is formed by sleeving and assembling a crimping piece terminal and a cylindrical shell, the cylindrical shell and the crimping piece terminal are positioned by buckling of a radially convex holding convex hull and a holding hole or splicing and buckling of a T-shaped anti-withdrawal inserting sheet and a T-shaped open clamping groove or are positioned by a threaded connection mode, and a firm and stable conductive main body structure is formed The charging is stable, and the battery is not easy to damage after long-term use.
Drawings
FIG. 1 is a perspective view of a first structure of the present invention in use;
FIG. 2 is an exploded view of a first embodiment of the present invention;
FIG. 3 is a perspective view of a compression joint terminal according to a first configuration of the present invention;
FIG. 4 is an exploded view of a first construction of the present invention in an assembled state;
FIG. 5 is an assembled perspective view of a first construction of the present invention;
FIG. 6 is a perspective view of a first structure of the present invention in use;
FIG. 7 is an exploded view of a first embodiment of the present invention;
FIG. 8 is a perspective view of a crimp terminal in a first configuration in accordance with the present invention;
FIG. 9 is an exploded view of a first construction of the present invention in an assembled state;
FIG. 10 is a perspective view of the first structure of the present invention initially assembled;
FIG. 11 is an assembled perspective view of a first construction of the present invention;
FIG. 12 is a perspective view of a first construction of the present invention in use;
FIG. 13 is an exploded view of a first embodiment of the present invention;
FIG. 14 is a perspective view of a crimp terminal in a first configuration in accordance with the present invention;
FIG. 15 is an exploded view of the first construction of the present invention in an assembled state;
fig. 16 is an assembled perspective view of a first construction of the present invention.
Charging connector-1 charging gun-2 crimping piece terminal-11
Electric connection part-111 plastic glue filling mouth-112 holding hole-113
Plastic flow-resisting stop surface 114 elastic cantilever 115
First guide limiting groove 121 plastic limiting surface 122
T-shaped opening clamping groove-123 second guiding limiting groove-124
Internal thread structure-125 cylindrical shell-13 elastic connecting piece-131
Fixed convex hull-132 anti-back inserting sheet-133 anti-over-pressure face-134
Guide insertion sheet-135 external thread structure-136 tin dissolving hole-137
Insulating protective sleeve-14
Detailed Description
Example (b): the utility model provides a rifle 2 terminal package assembly charges, includes conductive body and insulating connecting seat 12, the conductive body outside is located to the fixed cover of insulating connecting seat 12, and conductive body one end is formed with the electric connection portion 111 that is used for the wiring, and the conductive body other end forms the tubular structure that supplies rifle 2 male that charges, be equipped with at least two elastic cantilever 115 that can follow the radial elastic deformation of tubular structure along its circumferencial direction spaced on the tubular structure lateral wall, elastic cantilever 115's free end forms electric contact portion 116 towards a side surface of tubular structure central line, electric contact portion 116 can with insert the rifle 2 in close contact with that charge in the tubular structure, and the distance of electric contact portion 116 on each elastic cantilever 115 to the communication structure central line is less than the tubular structure inner ring radius.
During the use, assemble above-mentioned rifle 2 terminal package assembly of charging to the equipment that needs to charge through insulating connecting seat 12, through the wire with the equipment electric connection that needs to charge of electrically conductive main part, during charging, rifle 2 inserts in the tubular structure of electrically conductive main part, the tubular structure of electrically conductive main part forms the socket of rifle 2 of charging, rifle 2 inserts the back of charging, the electric contact portion 116 of the elastic cantilever 115 in the tubular structure of electrically conductive main part presss from both sides tight rifle 2 surface of charging, realize the electric conduction and charge, the structure is simple, form elastic electric contact portion 116 through a plurality of elastic cantilever 115 along electrically conductive main part circumferencial direction interval arrangement, rifle 2 inserts the back of charging and can keep leading the main part and rifle 2 in close contact with, guarantee that electric connection is stable, the condition of disconnection can not appear, and the structure is simple, do not need complicated production and assembly procedure, only need through punching press, Procedures such as bending can be completed, the production and assembly cost is reduced, and the charging stability is good.
Conductive body includes crimping piece terminal 11 and cylindric shell 13 for panel beating integrated into one piece structure or conductive body, the crimping terminal is cylindricality or encircles the cylindricality structure, and crimping piece terminal 11 one end is located to electric connection portion 111, and the crimping piece terminal 11 other end is located to each elastic cantilever 115, and cylindric shell 13 establishes with crimping piece terminal 11 fixed cover and is connected, and elastic cantilever 115's electric contact portion 116 is located cylindric shell 13 inside all the time. The conductive body can be an integrally formed structure or a split assembly structure, wherein the elastic cantilever 115 of the integrally formed structure is formed by punching and bending on the side wall of a cylindrical structure, for example, a sheet metal part is adopted to form a plurality of elastic cantilevers 115 arranged at intervals by punching and bending, and then the elastic cantilevers are bent to enclose a cylindrical structure, the split assembly structure is used for respectively manufacturing a crimping part terminal 11 and a cylindrical shell 13 and then assembling the crimping part terminal and the cylindrical shell together, the elastic cantilever 115 is integrally formed on the crimping part terminal 11, the cylindrical structure forms a socket structure for inserting the charging gun 2, in order to avoid interference with the elastic cantilever 115 when the charging gun 2 is inserted and ensure tight clamping of the charging gun 2, the free end of the elastic cantilever 115 inclines to a certain angle towards the central line direction of the cylindrical shell 13, the end part of the elastic cantilever 115 forms a bending structure towards the external direction of the cylindrical shell 13, the opening of the space surrounded by each elastic cantilever 115 is a bell mouth (a convex hull structure can be formed on the surface of one side of the free end of the elastic cantilever 115 facing the center of the cylindrical shell 13 as the electrical contact part 116, or the free end of the elastic cantilever 115 is bent twice to the direction of the cylindrical central line to form the triangular electrical contact part 116, etc.), at least two hollow structures can be arranged on the side wall of the cylindrical shell 13, each hollow structure is arranged at intervals along the circumferential direction of the cylindrical shell 13, each hollow structure corresponds to each elastic cantilever 115 on the crimping piece terminal 11 one by one, the outward bending structure of the free end of the elastic cantilever 115 can move to the outside of the cylindrical shell 13 along the hollow structure when elastically deforming, so as to ensure that the charging gun 2 is inserted smoothly, wherein the cylindrical shell 13 can be sleeved outside the crimping piece terminal 11, and the elastic cantilevers 115 are all located in the cylindrical shell 13, the cylindrical shell 13 can also be sleeved on the inner side of the crimping piece terminal 11, the elastic cantilever 115 extends into the cylindrical shell 13 from the hollow structure from the outside of the cylindrical shell 13, which is an equivalent alternative structure that can be easily thought by those skilled in the art according to the present patent, and all belong to the protection scope of the present patent, the insulating connection seat 12 and the conductive main body can be integrally formed by in-mold injection molding or assembled and fixed after molding, in order to improve the connection strength of the insulating connection seat 12 and the conductive main body during in-mold injection molding, it is best to set a concave plastic glue filling port on the sidewall of the conductive main body, so that plastic enters the plastic glue filling port 112 during injection molding to form a stable fixed connection structure, when the conductive main body is a cylindrical structure formed by stamping and bending a metal plate, the plastic glue filling port 112 can be a hollow part located on the sidewall of the cylindrical structure, in order to prevent the plastic from flowing towards the other end direction of the elastic cantilever 115 along the cylindrical structure, the best conductive main body cylindrical structure is internally provided with a plastic flow-resisting stop surface 114, the size of a plastic glue filling port is the same as the internal cross section of the conductive main body cylindrical structure, a circular sheet punched by the plastic glue filling port in the sheet metal stamping forming process can be bent to form the plastic flow-resisting stop surface 114 in the conductive main body cylindrical structure, in addition, the conductive main body can also be of other structures, such as an integrated structure formed by metal cutting or a cylindrical main body formed by metal cutting, and then an elastic cantilever 115 is assembled on the cylindrical main body, and the like.
The cylindrical shell 13 and the crimping piece terminal 11 are fixedly sleeved and connected in the following structure: at least two elastic connecting sheets 131 are arranged on one end of the cylindrical shell 13 at intervals along the circumferential direction of the cylindrical shell, a retaining convex hull 132 is arranged on one side wall of the elastic connecting sheet 131 facing the central line of the cylindrical shell 13, at least two retaining holes 113 are arranged on the outer side wall of the periphery of the crimping piece terminal 11 at intervals along the circumferential direction of the crimping piece terminal, and the retaining convex hulls 132 can be inserted into the retaining holes 113 in a one-to-one correspondence manner. When the cylindrical shell 13 is assembled with the crimp terminal 11, the cylindrical shell 13 is sleeved outside the other end of the crimp terminal 11 and slides towards one end of the crimp terminal 11, the elastic connecting sheet 131 on the cylindrical shell 13 covers the outer side of the circumference of the crimp terminal 11, when the retaining convex hull 132 on the elastic connecting sheet 131 is opposite to the retaining hole 113 outside the crimp terminal 11, the retaining convex hull 132 can be clamped into the retaining hole 113, the two form a buckling connection structure, in addition, the retaining hole 113 can be formed on the elastic connecting sheet 131, the retaining convex hull 132 is formed on the outer side wall of the circumference of the crimp terminal 11, and technicians in the field can reasonably select the terminal according to the technical scheme and actual requirements of the patent.
The insulation connection seat 12 is provided with at least one open first guide limiting groove 121, the elastic connecting sheet 131 on the cylindrical shell 13 can be correspondingly inserted into the first guide limiting groove 121 through the opening of the first guide limiting groove 121, the side wall of the first guide limiting groove 121 is stopped on the side wall of the elastic connecting sheet 131 on the cylindrical shell 13, a plastic limiting surface 122 is formed on the surface of one end of the insulation connection seat 12 facing the cylindrical shell 13, and one end of the cylindrical shell 13 is stopped on the plastic limiting surface 122 of the insulation connection seat 12. The elastic connecting sheet 131 on the shell is inserted with the first guiding and limiting groove 121 to limit and guide the elastic connecting sheet 131, so as to avoid the situation that the retaining convex hull 132 on the elastic connecting sheet 131 is not aligned with the retaining hole 113 on the compression joint piece terminal 11 during assembly, the opening of the first guiding and limiting groove 121 along the insertion direction of the elastic connecting sheet 131 is optimally designed into a horn mouth structure to realize smooth insertion of the elastic connecting sheet 131 and automatic alignment and guiding, meanwhile, the insulating connecting seat 12 is tightly contacted with one end surface of the cylindrical shell 13 to form axial limiting, so as to ensure that the retaining convex hull 132 on the elastic connecting sheet 131 is aligned and buckled with the retaining hole 113 on the compression joint piece terminal 11, besides the first guiding and limiting groove 121 is arranged on the insulating connecting seat 12 to realize guiding and limiting during assembly of the cylindrical shell 13, an open guiding and limiting groove can be arranged at one end of the cylindrical shell 13, it is within the scope of this patent to provide a protruding insertion structure on the crimp terminal 11 or the insulating connector holder 12, and to insert the protruding insertion structure into the guiding and limiting groove on the cylindrical housing 13 to achieve the assembling guiding and axial limiting, which is also an equivalent structure that can be easily conceived by those skilled in the art according to this patent.
The cylindrical shell 13 and the crimping piece terminal 11 are fixedly sleeved and connected in the following structure: the cylindric shell 13 is served and is equipped with two at least anti-moving back inserted sheet 133 along its circumferencial direction interval arrangement, every anti-moving back inserted sheet 133 forms the T shape structure that the free end width is greater than the root width, be equipped with two at least T shape opening draw-in grooves 123 along its circumferencial direction interval arrangement on the insulating connecting seat 12 lateral wall, each anti-moving back inserted sheet 133 can one-to-one insert locate in the T shape opening draw-in groove 123 on the insulating connecting seat 12 lateral wall, and every anti-moving back inserted sheet 133 free end and root between the step face that forms stop on the inside step face of T shape opening draw-in groove 123. When the cylindrical shell 13 is sleeved with the crimping member terminal 11, the anti-withdrawal inserting sheet 133 on the cylindrical shell 13 is inserted into the T-shaped opening clamping groove 123 on the side wall of the insulating connecting seat 12 to realize the buckling connection positioning, the opening seam extending from the free end to the root is optimally arranged in the middle of the anti-withdrawal inserting sheet 133 to form an elastic structure, and the two sides of the free end of the anti-withdrawal inserting sheet 133 in the width direction are respectively provided with a chamfer-shaped guide surface, the structure can ensure that the anti-withdrawal inserting sheet 133 is smoothly inserted into the T-shaped opening clamping groove 123 on the side wall of the insulating connecting seat 12 to form the buckling connection when the cylindrical shell 13 is assembled with the crimping member terminal 11, in addition, the T-shaped opening clamping groove 123 can be formed on the side wall of one end of the cylindrical shell 13, the T-shaped plug is arranged on the insulating connecting seat 12 to be inserted into the T-shaped opening clamping groove 123 to be buckled connection through the T-shaped plug, which is an equivalent structure easily thought by the technicians in the field according to the present patent, belong to this patent protection scope, prevent moving back inserted sheet 133 and T shape opening draw-in groove 123 and take place excessive pressure damage in order to prevent that cylindric shell 13 from assembling, the best prevents excessive pressure face 134 in cylindric shell 13 one end formation, when preventing moving back inserted sheet 133 and insert and be in the optimum condition in T shape opening draw-in groove 123, prevent that excessive pressure face 134 just contacts insulating connecting seat 12 towards the spacing face 122 of plastic of cylindric shell 13 one end, cylindric shell 13 can' T continue the motion again this moment, prevent appearing overvoltage phenomenon when moving back inserted sheet 133 and T shape opening draw-in groove 123 and peg graft.
Still be equipped with insulating protective sheath 14, the insulating connecting seat 12 outside is located to insulating protective sheath 14 fixed cover, and the direction inserted sheet 135 in the anti-backing inserted sheet 133 and the second direction spacing groove 124 in the T shape opening draw-in groove 123 tightly supports insulating protective sheath 14 inside wall. After the guiding insertion piece 135 is inserted into the second guiding limiting groove 124, the insulating protection sleeve 14 is sleeved outside the insulating connection seat 12, the anti-withdrawal insertion piece 133 in the T-shaped opening clamping groove 123 is tightly wrapped and limited, so that the anti-withdrawal insertion piece is prevented from being removed, and the insulating protection sleeve 14 can be integrally formed on the insulating connection seat 12 in a secondary mold and can also be assembled.
The cylindrical shell 13 and the crimping piece terminal 11 are fixedly sleeved and connected in the following structure: the fixed cover of insulating connecting seat 12 one end is located the crimping piece terminal 11 outside, exists between insulating connecting seat 12 other end inside wall and the crimping piece terminal 11 lateral wall and sets for the clearance, be formed with female screw structure 125 on the insulating connecting seat 12 other end inside wall, be equipped with external screw structure 136 on the one end lateral wall of cylindric shell 13, the cylindric shell 13 other end can be inserted and locate the clearance between the insulating connecting seat 12 other end and the crimping end lateral wall in, the male screw of the cylindric shell 13 other end and the female screw structure 125 spiro union on the insulating connecting seat 12 other end inside wall. The fixed positioning of the cylindrical shell 13 and the crimping piece terminal 11 is realized through the threaded connection and positioning of the insulating connecting seat 12 and the cylindrical shell 13, the connecting structure is simple, and the operation is convenient.
The cylindrical housing 13 and the crimp terminal 11 are fixed and positioned by laser welding. After the cylindrical shell 13 and the crimping piece terminal 11 are preliminarily buckled and connected, the cylindrical shell and the crimping piece terminal are welded and fixed in a laser welding mode, firm positioning between the cylindrical shell and the crimping piece terminal is guaranteed, and positioning is accurate.
A plurality of tin dissolving holes 137 are uniformly arranged on the side wall of the cylindrical shell 13 at intervals, and tin balls are fixedly arranged in the tin dissolving holes 137. During assembly, solder balls are filled in the tin dissolving holes 137 in the side wall of the cylindrical shell 13, then heating is carried out to melt the solder balls, and finally the cylindrical shell 13 and the crimping piece terminal 11 are welded and fixed.
Claims (10)
1. The utility model provides a rifle terminal package assembly charges which characterized in that: including conductive body and insulating connecting seat (12), the conductive body outside is located to the fixed cover of insulating connecting seat, and conductive body one end is formed with electric connection portion (111) that is used for the wiring, and the conductive body other end forms the barrel structure that supplies the rifle male that charges, be equipped with at least two elastic cantilever (115) that can follow the radial elastic deformation of barrel structure along its circumferencial direction spaced on the barrel structure lateral wall, elastic cantilever's free end forms electric contact portion (116) towards a side surface of barrel structure central line, electric contact portion can with the rifle (2) in close contact with that charge that insert in the barrel structure, and the distance of electric contact portion on each elastic cantilever to the communication structure central line is less than the barrel structure inner ring radius.
2. The terminal assembly structure of a charging gun according to claim 1, wherein: the conductive main body is a metal plate integrated structure or comprises a crimping piece terminal (11) and a cylindrical shell (13), the crimping piece terminal is of a cylindrical or annular cylindrical structure, one end of the crimping piece terminal is arranged on the electric connection portion, the other end of the crimping piece terminal is arranged on each elastic cantilever, the cylindrical shell is connected with the crimping piece terminal fixing sleeve, and the electric contact portion of each elastic cantilever is located inside the cylindrical shell all the time.
3. The terminal assembling structure of a charging gun according to claim 2, characterized in that: the fixed cover of cylindric shell and crimping spare terminal is established the structure of being connected and is: the cylindrical shell is characterized in that at least two elastic connecting pieces (131) are arranged at one end of the cylindrical shell at intervals along the circumferential direction of the cylindrical shell, fixing convex hulls (132) are arranged on one side wall of the elastic connecting pieces facing the center line of the cylindrical shell, at least two fixing holes (113) are arranged on the outer side wall of the periphery of the crimping piece terminal at intervals along the circumferential direction of the crimping piece terminal, and the fixing convex hulls can be inserted into the fixing holes in a one-to-one correspondence mode.
4. The terminal assembly structure of a charging gun according to claim 3, wherein: the insulation connecting seat is provided with at least one opening-shaped first guide limiting groove (121), the elastic connecting sheet on the cylindrical shell can be correspondingly inserted into the first guide limiting groove through the opening of the first guide limiting groove, the side wall of the first guide limiting groove is stopped on the side wall of the elastic connecting sheet on the cylindrical shell, the insulation connecting seat forms a plastic limiting surface (122) towards one end surface of the cylindrical shell, and one end of the cylindrical shell is stopped on the plastic limiting surface of the insulation connecting seat.
5. The terminal assembling structure of a charging gun according to claim 2, characterized in that: the fixed cover of cylindric shell and crimping spare terminal is established the structure of being connected and is: the cylindric shell is served and is equipped with two at least anti-moving back inserted sheet (133) along its circumferencial direction interval arrangement, every anti-moving back inserted sheet forms the T shape structure that the free end width is greater than the root width, be equipped with two at least T shape opening draw-in grooves (123) along its circumferencial direction interval arrangement on the insulating connecting seat lateral wall, each anti-moving back inserted sheet can one-to-one insert locate in the T shape opening draw-in groove on the insulating connecting seat lateral wall, and every prevents moving back the step face that forms between inserted sheet free end and the root and stop on the inside step face of T shape opening draw-in groove.
6. The terminal assembly structure of a charging gun according to claim 5, wherein: cylindric shell one end still is equipped with at least one direction inserted sheet (135), still be equipped with second direction spacing groove (124) of at least one opening form on the insulating connecting seat, the direction inserted sheet on the cylindric shell can be located second direction spacing inslot through inserting that the opening of second direction spacing groove corresponds, and second direction spacing groove lateral wall backstop is on the direction inserted sheet lateral wall on the cylindric shell.
7. The charging gun terminal assembly structure according to claim 6, wherein: still be equipped with insulating protective sheath (14), the insulating connecting seat outside is located to insulating protective sheath fixed cover, and the direction inserted sheet that prevents in the T shape opening draw-in groove move back inserted sheet and the second direction spacing inslot tightly supports insulating protective sheath inside wall.
8. The terminal assembling structure of a charging gun according to claim 2, characterized in that: the fixed cover of cylindric shell and crimping spare terminal is established the structure of being connected and is: the fixed cover of insulating connecting seat one end is located the crimping terminal outside, has between insulating connecting seat other end inside wall and the crimping terminal lateral wall to set for the clearance, be formed with female thread structure (125) on the insulating connecting seat other end inside wall, be equipped with external screw thread structure (136) on one end lateral wall of cylindric shell, the cylindric shell other end can be inserted and is located in the clearance between the insulating connecting seat other end and the crimping end lateral wall, the female thread structure spiro union on the external screw thread of the cylindric shell other end and the insulating connecting seat other end inside wall.
9. The terminal assembly structure of a charging gun according to claim 3 or 8, wherein: and the cylindrical shell and the crimping piece terminal are fixedly positioned by laser welding.
10. The terminal assembly structure of a charging gun according to claim 9, wherein: a plurality of tin dissolving holes (137) are uniformly arranged on the side wall of the cylindrical shell at intervals, and tin balls are fixedly arranged in the tin dissolving holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210157939.3A CN114512842A (en) | 2022-02-21 | 2022-02-21 | Charging gun terminal assembling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210157939.3A CN114512842A (en) | 2022-02-21 | 2022-02-21 | Charging gun terminal assembling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114512842A true CN114512842A (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210157939.3A Pending CN114512842A (en) | 2022-02-21 | 2022-02-21 | Charging gun terminal assembling structure |
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| Country | Link |
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| CN (1) | CN114512842A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024198905A1 (en) * | 2023-03-27 | 2024-10-03 | 长春捷翼汽车科技股份有限公司 | Cylindrical terminal, electrically conductive structure, and charging base |
-
2022
- 2022-02-21 CN CN202210157939.3A patent/CN114512842A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024198905A1 (en) * | 2023-03-27 | 2024-10-03 | 长春捷翼汽车科技股份有限公司 | Cylindrical terminal, electrically conductive structure, and charging base |
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