Disclosure of Invention
Accordingly, an objective of the present application is to provide an electrical connector to solve the problems of poor stability and inconvenient installation of the electrical connector in the prior art.
The embodiment of the application provides an electric connector, which comprises a main body, a terminal, a rear plug and a pole piece; the main body comprises a first groove for mounting the rear plug, a plurality of through holes for inserting and fixing the terminal are formed in the bottom surface of the first groove, main body buckling parts are respectively arranged on one group of opposite side surfaces of the main body, and clamping buckles are respectively arranged on the other group of opposite side surfaces; the terminal comprises a contact part arranged at the bottom and a shoulder part arranged at a first designated position, wherein the contact part is used for being connected with the pole piece; the rear plug comprises at least one platform arranged on one surface facing the main body and two rear plug buckling parts arranged on two opposite side surfaces of the rear plug, the rear plug is arranged in the first groove, the platform is used for abutting against the shoulder of the terminal, and the rear plug buckling parts are used for buckling with the main body buckling parts to connect the rear plug and the main body; the opposite sides of the top of the pole piece are respectively provided with a clamping groove, and the clamping grooves are used for being buckled with the clamping buckles so as to connect the main body with the pole piece.
In the realization process, the shoulder of the terminal is propped against by the rear plug so that the terminal cannot exit from the through hole, the main body and the rear plug are connected through the main body buckling part and the rear plug buckling part in a buckling way, and the main body and the pole piece are connected through the clip buckling way, so that the connection stability of the electric connector is improved, meanwhile, the buckle connection mode is convenient to detach, and the installation simplicity of the electric connector is improved.
Optionally, a first step surface is provided on a side wall of the bottom of the through hole opposite to the side wall, a second step surface is provided at a second designated position of the terminal, and the first step surface is used for abutting against the second step surface to prevent the terminal from being inserted downwards continuously.
In the implementation process, the first step surface and the second step surface are respectively arranged at the bottom of the through hole of the main body and at the relative positions of the terminals, and the terminals cannot be inserted into the through holes too deeply through the abutting fit of the first step surface and the second step surface when the terminals are inserted into the through holes, so that the matching accuracy of the electric connector is improved.
Optionally, when the first step surface and the second step surface are in abutting engagement, the shoulder of the terminal is at the same level as the bottom surface of the first groove.
In the implementation process, after the terminal is normally inserted into the main body, the shoulder of the terminal and the bottom surface of the first groove are positioned on the same horizontal plane, so that the shoulder of the terminal is accurately abutted when the rear plug is installed into the first groove to contact with the bottom surface of the first groove, and the matching stability of the electric connector is improved.
Optionally, the main body is provided with a second groove between the through holes, a connection surface of the rear plug and the main body is convexly provided with a boss matched with the second groove, and the boss is inserted into the second groove when the platform abuts against the section so as to guide the relative position of the rear plug and the main body.
In the implementation process, through the embedded cooperation between the second groove of the main body and the boss of the rear plug, the situation that the insertion position of the rear plug has larger deviation is avoided, so that the assembly accuracy of the electric connector is improved, and meanwhile, an operator rapidly and simply judges whether the rear plug is assembled in place through the insertion guide of the boss, so that the assembly operation is simplified.
Optionally, the back plug has two breach, the main part is last to correspond two breach position is provided with two lugs, two lugs be used for with two breach mutually support in order to realize preventing slow-witted function.
In the implementation process, the foolproof in the installation process of the rear plug is realized through the matching of the notch and the convex block, and the use safety of the electric connector is further improved.
Optionally, the top of the opposite sides of the rear plug provided with the two rear plug fastening parts is further provided with a kneading part higher than the upper surface of the rear plug, and the rear plug fastening parts retract to be separated from the main body fastening part when the kneading parts are simultaneously kneaded.
In the implementation process, the separation of the main body and the rear plug is realized by applying force to the kneading part, so that the connection and disassembly steps of the main body and the rear plug are simplified.
Optionally, the clip is connected to the main body through an elastic component, and the elastic component is used for applying a force to the clip so as to enable the clip to be buckled with the clamping groove.
In the implementation process, an acting force is applied to the clip through the elastic component, so that the clip can tightly clamp the clamping groove of the pole piece, and the connection stability of the main body and the pole piece is enhanced.
Optionally, the contact portion of the terminal includes two flat and elastic contacts, a distance between the contacts is smaller than a thickness of the pole piece, and a distal tip of the contacts is bent outward.
In the implementation process, the contact pieces of the terminals are flat and elastic, the distance between the contact pieces is smaller than the thickness of the pole pieces, the contact between the contact portions and the pole pieces can be ensured to be more sufficient, the damage of the contact portions to the pole pieces can be reduced, and the tail end tip portions of the contact pieces are bent outwards to enable the pole pieces to be inserted into the contact portions more conveniently.
Optionally, at least one set of convex hulls is provided on both contact portions of the terminal.
In the implementation process, the convex hulls arranged on the contact parts can further ensure the sufficient contact between the terminals and the pole pieces.
Optionally, when the pole piece is connected with the contact portion, the top of the pole piece abuts against the bottom of the main body for longitudinal positioning between the pole piece and the main body.
In the implementation process, the connection stability of the electric connector is further ensured through the abutting of the pole piece and the main body.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electrical connector according to an embodiment of the present application.
The electric connector 10 comprises a main body 11, a terminal 12, a rear plug 13 and a pole piece 14, wherein the main body 11 is connected with the pole piece 14, the terminal 12 is electrically connected with the pole piece 14 when being inserted into the main body 11, and the rear plug 13 is used for being installed into the main body 11 to support and fix the terminal 12.
The upper surface of the main body 11 is provided with a first groove 111 for mounting the rear plug 13, and the bottom surface of the first groove 111 is provided with a plurality of through holes 112 for insertion fixation of the terminals 12. It should be appreciated that the shape of the first recess 111 and the shape of the rear plug 13 should match so that the rear plug 13 effectively secures the terminal 12 when the rear plug 13 is fitted into the first recess 111, and the cross-sectional shapes of the first recess 111 and the rear plug 13 may be circular, square, triangular or any other shape.
A main body fastening part 113 is respectively arranged on one set of two opposite side surfaces of the main body 11, and a clip 114 is respectively arranged on the other set of opposite side surfaces, wherein the main body fastening part 113 is used for being connected with the rear plug 13, and the clip 114 is used for being connected with the pole piece 14.
The terminal 12 includes a contact portion 121 provided at the bottom and a shoulder portion 122 provided at the first designated position. When the terminal 12 is inserted into the through hole 112 in the body 11, the contact portion 121 is in direct contact with the side wall of the corresponding one of the pole pieces 14, thereby electrically connecting the terminal 12 with the pole piece 14, while the shoulder 122 is engaged with the rear plug 13 by abutment to prevent the terminal 12 from exiting the through hole 112.
It will be appreciated that the first designated position is at the interface with the body 11 towards the rear plug 13. Alternatively, the shoulder 122 should be flush with the lower surface of the first recess 111 when the terminal 12 is inserted into the through hole 112 and normally contacted with the pole piece 14, so that the rear plug 13 effectively abuts the terminal 12.
The rear plug 13 is provided with at least one land 131 on a side facing the main body 11, and the land 131 is provided at a position matching with the position of the through hole 112 so as to be able to abut against the terminal 12 when it is inserted into the through hole 112. Two rear plug buckling parts 132 are arranged on a group of two opposite side surfaces of the rear plug 13, and the rear plug buckling parts 132 and the main body buckling parts 113 can be matched to complete buckling.
The opposite sides of the top of the pole piece 14 are respectively provided with a clamping groove 141, the clamping grooves 141 correspond to the setting positions of the clips 114, and the pole piece 14 and the main body 11 are in snap fit with each other through the clamping grooves 141 and the clips 114 to fix the opposite positions.
In the above embodiment, when the rear plug 13 is mounted in the first groove 111, the shoulder 122 of the terminal 12 is abutted by the rear plug 13 to fix the terminal in the through hole 112, the main body 11 and the rear plug 13 are buckled and connected by the main body buckling part 113 and the rear plug buckling part 132, so that the stable connection of the main body 11 and the rear plug 13 is completed, the main body 11 and the pole piece 14 are buckled and connected with the clamping groove 141 by the clamping buckle 114, the connection stability of the electric connector is improved, and meanwhile, the buckling connection mode of the main body buckling part 113 and the rear plug buckling part 132 and the clamping buckle 114 and the clamping groove 141 is simpler and more convenient in mounting and dismounting, and the operation simplicity of the electric connector is improved.
Referring to fig. 2, fig. 2 is a schematic longitudinal section of a main body and a terminal according to an embodiment of the application.
In order to prevent the insertion depth of the terminal 12 from exceeding the connection position with the pole piece 14, the through hole 112 of the main body 11 is provided with a first step surface 115 at the side wall of the bottom, the protruding direction of the first step surface 115 is opposite to the side wall of the through hole 112, and a second step surface 123 is provided at the second designated position of the terminal 12. When the terminal 12 is inserted into the through hole 112 of the main body 11 and normally contacts with the pole piece 14, the first step surface 115 and the second step surface 123 are abutted against each other, so that the terminal 12 is prevented from being inserted too deeply.
In the above embodiment, by providing the first step surface 115 and the second step surface 123 at the bottom of the through hole 112 of the main body 11 and at the opposite positions of the terminal 12, respectively, the terminal 12 cannot be inserted too deeply into the through hole 112 by the abutting engagement of the first step surface 115 and the second step surface 123 when the terminal 12 is inserted into the through hole 112, and the fitting accuracy of the electrical connector 10 is improved.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a terminal according to an embodiment of the application.
The terminal 12 may be provided with a first wrap position 124, a second wrap position 125, wherein the first wrap position 124 is for wrapping the wire inner core to ensure stable contact of the terminal 12 with the wire, and the second wrap position 125 is for wrapping the wire outer wall to ensure that the wire does not come loose from the terminal 12.
Optionally, the contact 121 comprises two flat and resilient contacts, the distance between which is smaller than the thickness of a single one of the pole pieces 14, for example about 0.03mm smaller than the single pole piece, so as to ensure a reliable electrical connection of the terminal 12 with the pole piece 14.
In order to further improve the reliability of the electrical connection between the terminal 12 and the pole piece 14, at least one set of convex hulls 126 may be provided in both contacts of the contact portion 121 in the present embodiment, which facilitates a sufficient contact between the terminal 12 and the pole piece 14.
The tip portions of the two contact members in the contact portion 121 are bent relatively outwards, the curvature of which can be adjusted according to the thickness of a single pole piece in the pole piece 14, and the design facilitates smooth insertion of the pole piece 14 into the two contact members of the contact portion 121.
Referring to fig. 4 and fig. 5, fig. 4 is a schematic top surface view of a main body according to an embodiment of the present application, and fig. 5 is a schematic structural view of a rear plug according to an embodiment of the present application.
The through holes 112 in the first groove 111 of the main body 11 may be sequentially arranged in two columns, and then the rear plug 13 may be provided with two holding blocks 116 corresponding to the contact positions of the two columns of through holes 112, and the holding blocks 116 contact with the bottom surface of the first groove 111 while the holding blocks 116 hold the shoulder 122 of the terminal 12 when the rear plug 13 is fitted in the first groove 111.
Optionally, in order to better guide the insertion of the rear plug 13 effectively, so as to reduce the complexity of the assembly step, in this embodiment, the main body 11 is provided with a second groove 117 between two rows of through holes 112, and correspondingly, the rear plug 13 is provided with a boss 133 matching the shape of the second groove 117, so as to guide the relative positions of the rear plug 13 and the main body 11 when the rear plug 13 is installed, thereby reducing the assembly difficulty. It should be appreciated that the cross-sectional shape of the second recess 117 and the boss 133 may be square or other shapes that are not prone to assembly misalignment.
Referring to fig. 6, fig. 6 is a schematic view of a lower surface of a rear plug according to an embodiment of the application.
In the connection of the electrical components, the insertion manner of the interface is wrong, for example, upside down, left-right, etc., which may cause a short circuit or other safety accidents of the electrical components, so referring to fig. 4, the main body 11 may be provided with two protrusions 118 on the bottom surface of the first groove 111, the protrusions 118 make the main body 11 asymmetric along the first groove 111, and the rear plug 13 is provided with two notches 134 corresponding to the positions and shapes of the two protrusions 118. When the rear plug 13 is assembled into the main body 11, if the assembling direction is not right, the two protruding blocks 118 and the two notches 134 cannot be matched and combined, so that the rear plug 13 and the main body 11 cannot be assembled, the foolproof function is realized, and the safety is improved.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a rear plug according to an embodiment of the application.
The rear plug 13 is connected with the main body fastening part 113 through the rear plug fastening part 132, and the rear plug fastening part 132 may have a certain elasticity, and the length of the outer surface of the rear plug 13 protruding upward from the bottom gradually increases from zero, and the upper surface of the rear plug fastening part 132 may be a plane as a stepped surface protruding the rear plug 13. In the above embodiment, the main body fastening portion 113 may be a through hole, and the upper surface of the rear plug fastening portion 132 abuts against the upper wall of the through hole of the main body fastening portion 113 when the rear plug 13 is mounted in the main body 11, thereby fastening the rear plug 13 to the main body 11.
Optionally, the top of two sides of the back plug 13, where the back plug fastening portion 132 is provided, may be further provided with a kneading portion 135 higher than the upper surface of the back plug 13, and when the kneading portion 135 is pinched by an applied external force, the back plug fastening portion 132 contracts inwards, so that the back plug fastening portion 132 is separated from the main body fastening portion 113, thereby improving the convenience of disassembling the main body 11 and the back plug 13, and reducing the post maintenance difficulty of the electric connector 10.
Referring to fig. 8, fig. 8 is a schematic structural diagram of an elastic component according to an embodiment of the application.
The main body 11 needs to be connected with the pole piece 14 in addition to the rear plug 13, the clip 114 can be connected with the outer surface of the main body 11 through the elastic component 119, and a continuous acting force is provided through the elastic component 119 so that the clip 114 is in buckled connection with the clamping groove 141 of the pole piece 14.
Alternatively, the elastic assembly 119 may include two stoppers, springs, mounting blocks, circular holes, and copper posts. Wherein, the number of the limiting blocks installed on the outer surface of the main body 11 is two, which is used for limiting the position of the spring, thereby being convenient for assembly and use. The two mounting blocks are also arranged on the outer surface of the main body 11, round holes are arranged in the corresponding positions of the two mounting blocks, the round holes and the spring are in the same horizontal plane after assembly, and copper is riveted through copper columns penetrating through the round holes.
When the elastic assembly 119 and the clamping groove 141 are in the fastening state, the elastic assembly 119 is released from the clamping groove 141 by pressing the pressing buckle of the elastic assembly 119, and the main body 11 and the pole piece 14 can be separated by lifting the main body 11 upwards.
When the main body 11 is connected with the pole piece 14, the top of the pole piece 14 props against the lower surface of the main body, so that the longitudinal position between the main body 11 and the pole piece 14 is stable, and the main body 11 is prevented from being inserted continuously.
Referring to fig. 9, fig. 9 is a schematic view of a bottom surface of a main body according to an embodiment of the application.
The lower surface of the body 11 is provided with a third groove having a width greater than the thickness of a single one of the pole pieces 14 to ensure smooth insertion of the pole pieces 14. The distance between adjacent two third grooves is the same as the distance between adjacent two individual ones of the pole pieces 14.
To ensure accuracy of the insertion depth of the terminal 12, the width of the shoulder 122 of the terminal 12 is greater than the length of the side walls on both sides of the third recess.
In summary, the embodiment of the application provides an electrical connector, which includes a main body, a terminal, a rear plug, and a pole piece; the main body comprises a first groove for mounting the rear plug, a plurality of through holes for inserting and fixing the terminal are formed in the bottom surface of the first groove, main body buckling parts are respectively arranged on one group of opposite side surfaces of the main body, and clamping buckles are respectively arranged on the other group of opposite side surfaces; the terminal comprises a contact part arranged at the bottom and a shoulder part arranged at a first designated position, wherein the contact part is used for being connected with the pole piece; the rear plug comprises at least one platform arranged on one surface facing the main body and two rear plug buckling parts arranged on two opposite side surfaces of the rear plug, the rear plug is arranged in the first groove, the platform is used for abutting against the shoulder of the terminal, and the rear plug buckling parts are used for buckling with the main body buckling parts to connect the rear plug and the main body; the opposite sides of the top of the pole piece are respectively provided with a clamping groove, and the clamping grooves are used for being buckled with the clamping buckles so as to connect the main body with the pole piece.
In the realization process, the shoulder of the terminal is propped against by the rear plug so that the terminal cannot exit from the through hole, the main body and the rear plug are connected through the main body buckling part and the rear plug buckling part in a buckling way, and the main body and the pole piece are connected through the clip buckling way, so that the connection stability of the electric connector is improved, meanwhile, the buckle connection mode is convenient to detach, and the installation simplicity of the electric connector is improved.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. The apparatus embodiments described above are merely illustrative, for example, flow diagrams and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a portion of a module. It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved.
In addition, functional modules in the embodiments of the present application may be integrated together to form a single part, or each module may exist alone, or two or more modules may be integrated to form a single part.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.