CN215681170U - Coupler connector - Google Patents

Abstract

In order to solve the technical problem of poor contact in the conventional coupler connector, an embodiment of the present invention provides a coupler connector, including: the coupler shell body is provided with a working through hole; a working through hole provided with a female terminal; and one part of the female terminal is arranged in the working through hole and is used for being connected with the male terminal of the male seat, and the other part of the female terminal is arranged outside the working through hole and is used for being connected with an electric wire. According to the coupler connector, one part of the female terminal is connected with the male terminal in the working through hole, and the other part of the female terminal outside the working through hole is connected with the wire, so that the male terminal, the coupler connector and the wire are stably connected, and the technical problem of poor contact of the existing coupler connector is solved.

Description

Coupler connector

Technical Field

The utility model relates to a coupler connector.

Background

Coupler connectors are commonly used in high-end electric blanket products. The original coupler of the coupler causes poor contact of an electric blanket product due to design problems, the effect cannot be seen in field improvement for many years, and the quality of a terminal product is unstable.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem of poor contact of the conventional coupler connector, the embodiment of the utility model provides a coupler connector.

The embodiment of the utility model is realized by the following technical scheme:

the embodiment of the utility model provides a coupler connector, which comprises:

the coupler shell body is provided with a working through hole;

a working through hole provided with a female terminal; and

and one part of the female terminal is arranged in the working through hole and is used for being connected with the male terminal of the male seat, and the other part of the female terminal is arranged outside the working through hole and is used for being connected with an electric wire.

Further, the working through-hole includes:

a guide hole for guiding the male terminal of the male socket to be inserted;

the creepage distance limiting hole is connected with the guide hole and is used for a male terminal of the male seat to pass through;

the terminal position hole is connected with the creepage distance limiting hole and used for placing a male terminal connecting part of the female terminal; and

and the protection hole is connected with the terminal position hole.

Further, a portion of the female terminal includes:

a hollow guide part for guiding the male terminal into the hollow guide part;

a hollow elastic part connected with the hollow guide part and used for elastically contacting with a male terminal extending from the hollow guide part;

the hollow fixed contact part is connected with the hollow elastic part and is used for being fixedly contacted with the male terminal; and

the hollow limiting glue sealing table is connected with the hollow fixed contact part and is used for preventing plastic from rushing into the functional area during injection molding;

the hollow limiting glue sealing table is arranged in the protection hole.

Further, another part of the female terminal includes:

the conductor extrusion part is connected with the hollow limiting sealing glue platform and is used for fixing the electric wire on the female terminal through the conductor part of the electric wire; and

and an insulation pressing part connected with the conductor pressing part for fixing the electric wire on the female terminal through an insulation part outside the electric wire.

Further, the coupler housing body still is equipped with:

and the directional sliding chute is arranged on one side of the coupler shell body close to the protection hole and used for placing the conductor extrusion part and the insulation extrusion part of the female terminal.

Further, the device also comprises a rear cover for covering the directional sliding chute; the coupler shell body is connected with the rear cover in a sliding mode; and the rear cover and the directional sliding groove are respectively provided with a material injection perforation for injecting an inner mold to integrate injected rubber material and the coupler shell body.

Furthermore, the diameter of the creepage distance limiting hole is smaller than that of the female terminal; the diameter of the protection hole is slightly larger than that of the terminal position hole.

Furthermore, the number of the working through holes is a plurality, the female terminal is arranged in each working through hole, and the directional sliding groove is provided with a partition board used for partially separating the directional sliding grooves corresponding to the working through holes.

Further, the hollow elastic part includes:

one end of each elastic sheet is connected with the hollow guide part, and the other end of each elastic sheet is connected with the hollow fixed contact part; the body part of each elastic sheet is in elastic contact with the male terminal so that each elastic sheet is restored to the original state after the male terminal is taken out of the hollow guide part;

the quantity of a plurality of shell fragment is 4, and the one end of 4 shell fragments all is connected with cavity guide part, and the interval between two adjacent shell fragments is the same.

Furthermore, the hollow limiting glue sealing table is provided with a punched hole, and the punched hole is provided with a baffle plate to prevent plastic from being punched into a functional area during injection molding;

the conductor extrusion part comprises a first conductor extrusion sheet, a second conductor extrusion sheet and a conductor extrusion part; the first conductor extrusion sheet and the second conductor extrusion sheet are respectively arranged on two sides of the conductor extrusion part and are used for extruding the conductor part of the electric wire on the conductor extrusion part;

the insulation extrusion part comprises a first insulation extrusion sheet, a second insulation extrusion sheet and an insulation extrusion part; the first insulation extrusion sheet and the second insulation extrusion sheet are respectively arranged at two sides of the insulation extrusion part and are used for extruding the electric wire to the insulation extrusion part;

the axial directions of the hollow guide part, the hollow elastic part, the hollow fixed contact part, the hollow limiting glue sealing table, the conductor extrusion part and the insulation extrusion part are on the same straight line;

the female terminal is made of a conductive material.

Compared with the prior art, the embodiment of the utility model has the following advantages and beneficial effects:

according to the coupler connector, one part of the female terminal is connected with the male terminal in the working through hole, and the other part of the female terminal outside the working through hole is connected with the wire, so that the male terminal, the coupler connector and the wire are stably connected, and the technical problem of poor contact of the existing coupler connector is solved.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic diagram of the overall structure of the coupler connector after being connected with a wire.

Fig. 2 is a schematic structural diagram of a coupler header.

Fig. 3 is a schematic view of a first angled configuration of a female terminal according to one embodiment.

Fig. 4 is a second angled configuration of a female terminal according to one embodiment.

Fig. 5 is a schematic diagram of a third angle of a female terminal according to an embodiment.

Fig. 6 is a schematic view of the overall structure of the coupler housing.

Fig. 7 is a schematic structural diagram of a coupler housing body.

Fig. 8 is a schematic structural view of a rear cover of the coupler housing.

Fig. 9 is a schematic diagram of the internal structure of the coupler housing.

Reference numbers and corresponding part names in the drawings:

in the figure, 101-wire, 102-coupler connector, 103-female terminal, 1-hollow guide part, 2-hollow elastic part, 3-hollow fixed contact part, 4-hollow limit glue sealing table, 5-second conductor extrusion sheet, 6-second insulation extrusion sheet, 7-first conductor extrusion sheet, 8-first insulation extrusion sheet, 9-contact part, 10-ring, 11-functional area, 12-punching hole, 13-baffle plate, 14-spring plate, 15-coupler shell body, 16-rear cover, 17-mistake-proof groove, 18-convex tooth, 19-mounting groove, 20-isolation plate, 21-material injection punching hole, 22-convex column, 23-guide hole, 24-creepage distance limit hole, 25-terminal position hole, 26-protective hole, 27-positioning slide groove and 28-extrusion groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the utility model. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.

Examples

To solve the technical problem of poor contact in the conventional coupler connector, an embodiment of the present invention provides a coupler connector, which is shown in fig. 1 to 9 and includes:

the coupler shell body is provided with a working through hole;

a working through hole provided with a female terminal;

and one part of the female terminal is arranged in the working through hole and is used for being connected with the male terminal of the male seat, and the other part of the female terminal is arranged outside the working through hole and is used for being connected with an electric wire.

Therefore, the coupler connector in the embodiment of the utility model is connected with the male terminal in the working through hole through one part of the female terminal, and is connected with the electric wire through the other part of the female terminal outside the working through hole, so that the stable connection of the male terminal, the coupler connector and the electric wire is realized, and the technical problem of poor contact of the existing coupler connector is solved.

Referring to fig. 1, the coupler connector 102 and the electrical wire 101 are connected to form a complete plug structure. Referring to fig. 2, the female terminal 103 is placed in the working through hole of the coupler housing body 15 with the upper side portion of the female terminal placed in the working through hole and the lower side portion of the female terminal outside the working through hole for connection with the electric wire. The female terminal is made of a conductive material.

For the technical problem of further improving the contact failure that the coupler connector exists, the utility model people research finds that there are several main contact failure producing positions: 1. the connection of the socket and the coupler; 2. the connection part of the male terminal of the socket and the female terminal of the coupler; and 3, connecting the female terminal and the electric wire.

In order to make the female terminal more stable in contact connection with the male terminal of the socket, the working through-hole includes:

a guide hole 23 for guiding the male terminal of the male socket to be inserted;

the creepage distance limiting hole 24 is connected with the guide hole and is used for a male terminal of the male seat to pass through;

the terminal position hole 25 is connected with the creepage distance limiting hole and used for placing a male terminal connecting part of the female terminal; and

and a protection hole 26 connected with the terminal position hole for placing the fixing part of the female terminal.

In order to guarantee that the creepage distance of coupler shell body meets the requirements, the female terminal is prevented from entering the creepage distance limiting hole when being inserted, and the inner diameter of the creepage distance limiting hole is smaller than the outer diameter of the female terminal.

In order to prevent the female terminal in the terminal position hole 25 from directly bearing external force, the diameter of the protection hole 26 is slightly larger than that of the terminal position hole 25; the protection hole is used for being connected with the female terminal in a matched mode, and rubber materials are prevented from entering the terminal position hole 25 during injection molding.

For a more stable connection of the better co-operating through hole with the male terminal of the socket, optionally, a part of the female terminal comprises:

a hollow guide part 1 for guiding the male terminal into the hollow guide part;

a hollow elastic part 2 connected to the hollow guide part for elastically contacting a male terminal extended from the hollow guide part;

a hollow fixed contact part 3 connected with the hollow elastic part and used for being fixedly contacted with the male terminal; and

the hollow limiting glue sealing table 4 is connected with the hollow fixed contact part and is used for preventing plastic from rushing into the functional area during injection molding;

the hollow limiting glue sealing table is arranged in the protective hole 26.

The hollow guide part is of an annular structure. Optionally, the hollow guide is a ring 10.

The functional region 11 refers to a region where the hollow guide portion, the hollow elastic portion, and the hollow stationary contact portion are located, and an example is shown with reference to fig. 3.

Through the contact of cavity guide part, cavity elasticity portion and cavity fixed contact portion with public terminal, the single PIN minimum withdrawal force of female terminal has been strengthened to, avoided the single PIN minimum withdrawal force of female terminal to lead to the unstable technical problem of product terminal quality inadequately.

Optionally, the axial directions of the hollow guide part, the hollow elastic part, the hollow fixed contact part, the hollow limiting glue sealing table, the conductor extrusion part and the insulation extrusion part are on the same straight line.

Optionally, further, the hollow elastic portion comprises:

one end of each elastic sheet is connected with the hollow guide part, and the other end of each elastic sheet is connected with the hollow fixed contact part; the body of each elastic sheet is used for being in elastic contact with the male terminal, so that each elastic sheet is restored after the male terminal is taken out of the hollow guide part.

Referring to fig. 4, the body of each spring plate is provided with a contact portion 9, and the contact portion 9 is used for elastically contacting with the male terminal; when the male terminal enters from the hollow guide part, the contact part 9 elastically contacts with the outer side of the male terminal so as to enable the elastic sheet to deform and clamp the male terminal in the hollow elastic part; when the male terminal is pulled out, the contact portion 9 is separated from the outer side of the male terminal, so that the elastic sheet is restored to the original shape.

Further optionally, the number of the plurality of elastic sheets is 4, one end of each of the 4 elastic sheets is connected with the hollow guide portion, and the distance between every two adjacent elastic sheets 14 is the same.

Further, the hollow fixed contact part is of a hollow cylindrical structure.

Further, the hollow limiting glue sealing table is provided with a punched hole, and the punched hole 12 is provided with a material baffle 13 to prevent plastic from being punched into a functional area during injection molding.

The plug force test verification is carried out by a plug force tester: after the female terminal is arranged in a coupler rubber shell, the pulling-out force meets the standard after 5000 times of matching and inserting of the corresponding male terminal, 10 times of verification is carried out, the minimum pulling-out force is 0.23Kgf and exceeds 50% of the requirement of 0.15Kgf, and the specific parameters are detailed in the following table 1.

TABLE 1

Thereby, female terminal has strengthened female terminal list PIN minimum withdrawal force through the contact of cavity guide part, cavity elasticity portion and cavity fixed contact portion with public terminal to it is more stable to make the public terminal contact during grafting female terminal, has avoided female terminal list PIN minimum withdrawal force to lead to the unstable technical problem of product terminal public terminal grafting inadequately.

To better connect the female terminal with the electric wire, optionally, another part of the female terminal includes:

the conductor extrusion part is connected with the hollow limiting sealing glue platform and is used for fixing the electric wire on the female terminal through the conductor part of the electric wire; and

and an insulation pressing part connected with the conductor pressing part for fixing the electric wire on the female terminal through an insulation part outside the electric wire.

Optionally, the conductor pressing portion includes a first conductor pressing piece 7, a second conductor pressing piece 5 and a conductor pressing portion; the first conductor extrusion sheet and the second conductor extrusion sheet are respectively arranged on two sides of the conductor extrusion part and are used for extruding the conductor part of the electric wire on the conductor extrusion part.

Optionally, the insulation pressing portion includes a first insulation pressing piece 8, a second insulation pressing piece 6, and an insulation pressing portion; the first insulation extrusion piece and the second insulation extrusion piece are respectively arranged on two sides of the insulation extrusion part and are used for extruding the electric wire in the insulation extrusion part.

Thus, the female terminal is stably connected to the electric wire in the coupler housing body through the conductor pressing portion and the insulation pressing portion.

For the placing of conductor extrusion portion and insulating extrusion portion, coupler casing body still is equipped with:

and the directional sliding chute 27 is arranged on one side of the coupler shell body close to the protection hole and used for placing a conductor extrusion part and an insulation extrusion part of the female terminal.

Referring to fig. 7, the directional chute is provided on the right side of the coupler housing body. Referring to fig. 2, the conductor pressing portion and the insulation pressing portion of the female terminal are disposed in the directional chute, thereby facilitating the connection of the female terminal with the electric wire.

Optionally, the coupler housing 15 further comprises a rear cover 16 for covering the directional chute; the coupler shell body is connected with the rear cover in a sliding mode; optionally, the rear cover is provided with a mounting groove 19, and the coupler housing body is provided with a convex column 22 matched with the mounting groove; the mounting groove is connected with the convex column 22 in a sliding way. And the rear cover and the directional sliding groove are respectively provided with a material injection perforation 21 for injecting an inner mold to integrate injected rubber material and the coupler shell body.

Optionally, the coupler housing body surface is provided with an error-proof slot 17 for preventing the reverse insertion of the socket into the guide hole.

Referring to fig. 2, the upper surface of the coupler housing body is provided with an error relief groove 17, and when in use, the interface of the socket is connected with the left side of the coupler housing body through the error prevention groove 17, thereby preventing the socket from being reversely inserted into the coupler housing. Optionally, the coupler housing body surface is provided with a protruding tooth 18 for increasing the pull-out force of the receptacle from the coupler housing body.

Therefore, the coupling force between the socket and the coupler shell body can be enhanced through the convex teeth 18, and the socket is prevented from falling off from the coupler shell body due to mistaken collision.

Optionally, in order to prevent the external mold and the coupler housing body from being separated and opened due to different materials when the external mold is injection-molded, and the overall appearance of the product is affected, the surface of the coupler housing body is provided with the extrusion groove 28.

When the coupler is assembled by using the coupler shell body, a female terminal is firstly placed in a working through hole of the coupler shell body, a part of the female terminal enters from the working through hole on the right side of the coupler shell body shown in fig. 7, so that a hollow guide part 1, a hollow elastic part 2 and a hollow fixed contact part 3 of the female terminal enter a terminal position hole, a hollow limiting sealing glue platform of the female terminal enters a protective hole, and a conductor extrusion part and an insulation extrusion part of the female terminal are exposed in a positioning sliding groove; the male terminal of the socket can pass through the guide hole of the working through hole and then is sequentially connected with the hollow guide part 1, the hollow elastic part 2 and the hollow fixed contact part 3 of the female terminal in the terminal position hole after passing through the creepage distance limiting hole; the electric conductor extrusion part and the insulation extrusion part of the female terminal are connected with the electric wire, so that the close and stable connection of the male terminal, the coupler connector and the electric wire is realized.

In order to integrate the coupler shell body, the rear cover and the injection molding rubber material, the structural stability is enhanced; injection molding is performed through the injection through-hole 21, so that the coupler housing body, the rear cover and the injection molded rubber are integrated.

Optionally, the number of the working through holes is several, the female terminal is arranged in each working through hole, and the directional chute is provided with a partition board for partially separating the directional chute corresponding to each working through hole.

Referring to fig. 1-9, the number of the working through holes is 4, and the coupler connector is a four-core coupler connector, each working through hole is provided with a female terminal 103, and the directional chute is provided with a separation plate 20 for separating each female terminal; thereby effectively avoiding the mistaken touch or short circuit of the connection part of each female terminal and the electric wire and enhancing the safety of the connection of the female terminal and the electric wire.

Therefore, after the coupler shell body is assembled into the coupler connector, the surface of the coupler shell body is provided with the anti-mismatching grooves and the convex teeth 18, so that the insertion and extraction force of the socket and the coupler shell body is enhanced, and the connection stability of the socket and the coupler shell body is enhanced; the female terminal in the working through hole is connected with the male terminal of the socket, so that the connection tightness between the female terminal and the male terminal is enhanced, and the female terminal and the male terminal are more stably plugged; the problem that the matching of the male terminal and the female terminal is affected when glue enters the terminal position hole during injection molding is avoided through the protective hole; through annotating material perforation 7 and moulding plastics, make coupler housing body, back lid and the sizing material of moulding plastics become a whole, strengthened coupler housing body, back lid, the stability of the sizing material combination of female terminal and moulding plastics to through the plug power of reinforcing socket and coupler housing body, the plug power of male terminal and female terminal, the stability of the connection of female terminal and electric wire and the holistic stability of the reinforcing of moulding plastics, further avoid the bad contact emergence that the coupler connector leads to.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A coupler header, comprising:

the coupler shell body is provided with a working through hole;

a working through hole provided with a female terminal; and

and one part of the female terminal is arranged in the working through hole and is used for being connected with the male terminal of the male seat, and the other part of the female terminal is arranged outside the working through hole and is used for being connected with an electric wire.

2. The coupler header of claim 1, wherein the working through-hole comprises:

a guide hole for guiding the male terminal of the male socket to be inserted;

the creepage distance limiting hole is connected with the guide hole and is used for a male terminal of the male seat to pass through;

the terminal position hole is connected with the creepage distance limiting hole and used for placing a male terminal connecting part of the female terminal; and

and the protection hole is connected with the terminal position hole.

3. The coupler header of claim 2, wherein the portion of the female terminal comprises:

a hollow guide part for guiding the male terminal into the hollow guide part;

a hollow elastic part connected with the hollow guide part and used for elastically contacting with a male terminal extending from the hollow guide part;

the hollow fixed contact part is connected with the hollow elastic part and is used for being fixedly contacted with the male terminal; and

the hollow limiting glue sealing table is connected with the hollow fixed contact part and is used for preventing plastic from rushing into the functional area during injection molding;

the hollow limiting glue sealing table is arranged in the protection hole.

4. The coupler header of claim 3, wherein the other portion of the female terminal comprises:

the conductor extrusion part is connected with the hollow limiting sealing glue platform and is used for fixing the electric wire on the female terminal through the conductor part of the electric wire; and

and an insulation pressing part connected with the conductor pressing part for fixing the electric wire on the female terminal through an insulation part outside the electric wire.

5. The coupler connector head of claim 4, wherein the coupler housing body further comprises:

and the directional sliding chute is arranged on one side of the coupler shell body close to the protection hole and used for placing the conductor extrusion part and the insulation extrusion part of the female terminal.

6. The coupler header of claim 5, further comprising a rear cover for covering the directional chute; the coupler shell body is connected with the rear cover in a sliding mode; and the rear cover and the directional sliding groove are respectively provided with a material injection perforation for injecting an inner mold to integrate injected rubber material and the coupler shell body.

7. The coupler header of claim 6, wherein the creepage distance limiting hole has a diameter smaller than a diameter of the female terminal.

8. The coupler head of claim 6, wherein the number of the working through holes is several, each of the working through holes has the female terminal therein, and the directional chute has a partition plate for partitioning a portion of the directional chute corresponding to each of the working through holes.

9. The coupler header of claim 3, wherein the hollow spring portion comprises:

one end of each elastic sheet is connected with the hollow guide part, and the other end of each elastic sheet is connected with the hollow fixed contact part; the body part of each elastic sheet is in elastic contact with the male terminal so that each elastic sheet is restored to the original state after the male terminal is taken out of the hollow guide part;

the quantity of a plurality of shell fragment is 4, and the one end of 4 shell fragments all is connected with cavity guide part, and the interval between two adjacent shell fragments is the same.

10. The coupler connector of claim 4, wherein the hollow limiting glue sealing table is provided with a punched hole, and the punched hole is provided with a material baffle plate to prevent plastic from being punched into the functional area during injection molding;

the conductor extrusion part comprises a first conductor extrusion sheet, a second conductor extrusion sheet and a conductor extrusion part; the first conductor extrusion sheet and the second conductor extrusion sheet are respectively arranged on two sides of the conductor extrusion part and are used for extruding the conductor part of the electric wire on the conductor extrusion part;

the insulation extrusion part comprises a first insulation extrusion sheet, a second insulation extrusion sheet and an insulation extrusion part; the first insulation extrusion sheet and the second insulation extrusion sheet are respectively arranged at two sides of the insulation extrusion part and are used for extruding the electric wire to the insulation extrusion part;

the axial directions of the hollow guide part, the hollow elastic part, the hollow fixed contact part, the hollow limiting glue sealing table, the conductor extrusion part and the insulation extrusion part are on the same straight line;

the female terminal is made of a conductive material.

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