CN215911638U - Coupling device shell - Google Patents
Coupling device shell Download PDFInfo
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- CN215911638U CN215911638U CN202121838874.6U CN202121838874U CN215911638U CN 215911638 U CN215911638 U CN 215911638U CN 202121838874 U CN202121838874 U CN 202121838874U CN 215911638 U CN215911638 U CN 215911638U
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- hole
- coupler
- terminal
- coupler housing
- socket
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Abstract
In order to solve the technical problem that the existing coupler shell is unreasonable in design and easily causes poor contact, the embodiment of the utility model provides a coupler shell, which comprises a coupler shell body; a working through hole is formed in the coupler shell body; the work through-hole includes: a guide hole for guiding the insertion of the male terminal of the socket; the creepage distance limiting hole is connected with the guide hole and is used for a male terminal of the socket 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 the protection hole is connected with the terminal position hole and used for placing the fixing part of the female terminal. According to the embodiment of the utility model, through the arrangement of the guide hole, the creepage distance limiting hole, the terminal position hole and the protection hole, after the coupler is assembled by adopting the coupler shell, the male terminal of the socket can be tightly clamped in the female terminal, so that the male terminal and the female terminal of the socket are tightly and electrically connected, and the situations of poor contact and the like are avoided.
Description
Technical Field
The present invention relates to a coupling housing.
Background
The existing coupler of the electric blanket is very important for the safety and the use of the electric blanket. The existing coupler of the electric blanket is easy to have the problems of poor contact and the like due to the unreasonable design of the coupler shell, and the improvement on the design of the coupler shell is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the existing coupler shell is unreasonable in design and easily causes poor contact, the embodiment of the utility model provides a coupler shell.
The utility model is realized by the following technical scheme:
a coupler housing comprising a coupler housing body; a working through hole is formed in the coupler shell body; the work through-hole includes:
a guide hole for guiding the insertion of the male terminal of the socket;
the creepage distance limiting hole is connected with the guide hole and is used for a male terminal of the socket 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 and used for placing the fixing part of the female terminal.
Further, the coupler housing body still is equipped with: and the positioning sliding groove is arranged on one side of the coupler shell body close to the protection hole and used for placing the electric wire connecting part of the female terminal.
Further, the positioning device also comprises a rear cover for covering the positioning sliding groove; the coupler shell body is connected with the rear cover in a sliding mode; and the rear cover and the positioning 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 rear cover is provided with a mounting groove, and the coupler shell body is provided with a convex column matched with the mounting groove.
Further, the inner diameter of the creepage distance limiting hole is smaller than the outer diameter of the female terminal.
Furthermore, 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, and the positioning chutes are provided with partition plates for separating the positioning chute parts corresponding to the working through holes.
Further, the coupler housing body surface is provided with an anti-error groove for preventing the socket from being reversely inserted into the guide hole.
Furthermore, the surface of the coupler shell body is provided with convex teeth for increasing the pull-out force of the socket and the coupler shell body.
Furthermore, the surface of the coupler shell body is provided with an extrusion groove.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
according to the coupler shell, the guide hole, the creepage distance limiting hole, the terminal position hole and the protection hole are arranged, and after the coupler shell is assembled into the coupler, the male terminal of the socket can be tightly clamped in the female terminal, so that the male terminal and the female terminal of the socket are tightly and electrically connected, and the situations of poor contact and the like are avoided.
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 view of the overall structure of a coupler housing.
Fig. 2 is a schematic structural diagram of a coupler housing body.
Fig. 3 is a schematic structural view of a rear cover of the coupler housing.
Fig. 4 is a schematic diagram of the internal structure of the coupler housing.
Fig. 5 is a schematic structural view of the female terminal.
Reference numbers and corresponding part names in the drawings:
in the figure, 1-coupler shell body, 2-back cover, 3-mistake-proof groove, 4-convex tooth, 5-mounting groove, 6-isolation plate, 7-injection perforation, 8-convex column, 9-guide hole, 10-creepage distance limiting hole, 11-terminal position hole, 12-protection hole, 13-positioning sliding groove, 14-extrusion groove; 15-hollow guide part, 16-hollow elastic part, 17-hollow fixed contact part, 18-hollow limiting glue sealing table, 19-second conductor extrusion sheet, 20-second insulation extrusion sheet, 21-first conductor extrusion sheet and 22-first insulation extrusion sheet.
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
In order to solve the technical problem that the existing coupler shell is unreasonable in design and easily causes poor contact, an embodiment of the utility model provides a coupler shell, which is shown in fig. 1 to 4 and comprises a coupler shell body 1; a working through hole is formed in the coupler shell body; the work through-hole includes:
a guide hole 9 for guiding the insertion of the male terminal of the socket;
the creepage distance limiting hole 10 is connected with the guide hole and is used for a male terminal of the socket to pass through;
the terminal position hole 11 is connected with the creepage distance limiting hole 10 and used for placing a male terminal connecting part of the female terminal; and a protection hole 12 connected to the terminal site hole for placing a fixing portion of the female terminal.
Optionally, a rear cover 2 for covering the positioning chute is further included; the coupler shell body 1 is connected with the rear cover 2 in a sliding mode; and the rear cover and the positioning sliding groove are respectively provided with a material injection perforation 7 for injecting an inner mold to integrate injected rubber material and the coupler shell body.
Optionally, the coupler housing body is further provided with: and a positioning chute 13 provided at a side of the coupler housing body near the protection hole (i.e., a right side of fig. 2) for placing the wire connecting portion 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 11 from directly bearing external force, the diameter of the protection hole 12 is slightly larger than that of the terminal position hole 11; the protection hole is used for being connected with the female terminal in a matched mode, and rubber materials can be prevented from entering the terminal position hole 11 during injection molding.
Referring to fig. 1, the coupler housing includes a coupler housing body 1 and a rear cover 2; the upper end of the coupler shell body 1 is used for being plugged with a male terminal of a socket; specifically, a working through hole of the coupler shell body 1 is plugged with a male terminal; the part covered by the rear cover of the coupler shell body 1 is used for being connected with an electric wire; referring to fig. 2, the wire connecting portion of the female terminal is disposed at the positioning slide groove outside the working through-hole.
Optionally, the rear cover is provided with a mounting groove 5, and the coupler housing body is provided with a convex column 8 matched with the mounting groove. The mounting groove is connected with the convex column 8 in a sliding way.
Optionally, the number of the working through holes is several, and the positioning chute 13 is provided with a partition plate 6 for separating the positioning chute parts corresponding to the respective working through holes.
Optionally, the coupler housing body surface is provided with a mistake-proofing groove 3 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 3, 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 3, thereby preventing the socket from being reversely inserted into the coupler housing. Optionally, the coupler housing body surface is provided with a protruding tooth 4 for increasing the pull-out force of the socket and the coupler housing body.
Therefore, the binding force between the socket and the coupler shell body can be enhanced through the convex teeth 4, and the socket falling off from the coupler shell body caused by mistaken collision is avoided.
Optionally, in order to prevent the external mold from being separated and opened due to different materials of the external mold and the coupler housing body when the external mold is injection-molded, and the overall appearance of the product is affected, the extrusion groove 14 is formed on the surface of the coupler housing body.
Alternatively, the female terminal includes, as shown in fig. 5, a hollow guide portion 15, a hollow elastic portion 16, a hollow fixed contact portion 17, a hollow position-limiting sealing rubber table 18, a second conductor pressing piece 19, a second insulation pressing piece 20, a first conductor pressing piece 21, and a first insulation pressing piece 22. The male terminal connecting part comprises a hollow guide part 15, a hollow elastic part 16 and a hollow fixed contact part 17; the fixing part of the female terminal comprises a hollow limiting glue sealing table 18; the wire connecting portion of the female terminal includes a second conductor pressing piece 19, a second insulation pressing piece 20, a first conductor pressing piece 21, and a first insulation pressing piece 22.
The conductor portion of the electric wire (i.e., the portion of the electric wire from which the insulation layer is removed) can be pressed against the female terminal by the first conductor pressing piece 21 and the second conductor pressing piece 19; the electric wire may be pressed against the female terminal by the first insulation pressing piece 22 and the second insulation pressing piece 21.
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, and the female terminal is divided into a male terminal connecting part, a fixing part of the female terminal and an electric wire connecting part; the female terminal enters from the working through hole on the right side of the coupler housing body shown in fig. 2, so that the male terminal connecting part of the female terminal enters the terminal position hole, the fixing part of the female terminal enters the protection hole, and the wire connecting part of the female terminal is exposed in the positioning sliding groove; the male terminal of the socket can penetrate through the creepage distance limiting hole and then is connected with the male terminal connecting part of the female terminal in the terminal position hole through the guide hole of the working through hole; the wire connecting portion of the female terminal is connectable to an electric wire.
In order to integrate the coupler shell body, the rear cover and the injection molding rubber material, the structural stability is enhanced; the coupler housing body, the rear cover and the injection molded rubber are integrated by injection molding through the injection molding through hole 7.
Therefore, after the coupler shell body is assembled into the coupler, the surface of the coupler shell body is provided with the anti-mismatching grooves and the convex teeth 4, 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 male terminal connecting part of 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 problem that the male terminal is matched with the female terminal due to the fact that glue enters the terminal position hole during injection molding is solved through the protection hole; the coupler shell body, the rear cover and the injection-molded rubber material are integrated through the injection perforation 7, so that the stability of the combination of the coupler shell body, the rear cover, the female terminal and the injection-molded rubber material is enhanced, and the occurrence of poor contact of the coupler is further avoided.
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. The coupler shell is characterized by comprising a coupler shell body; a working through hole is formed in the coupler shell body; the work through-hole includes:
a guide hole for guiding the insertion of the male terminal of the socket;
the creepage distance limiting hole is connected with the guide hole and is used for a male terminal of the socket 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 and used for placing the fixing part of the female terminal.
2. The coupler housing of claim 1, wherein the coupler housing body is further provided with:
the positioning sliding groove is arranged on one side of the coupler shell body close to the protection hole and used for placing the electric wire connecting part of the female terminal.
3. The coupler housing of claim 1, further comprising a rear cover for covering the positioning chute; the coupler shell body is connected with the rear cover in a sliding mode; and the rear cover and the positioning 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.
4. The coupler housing according to claim 3, wherein the rear cover is provided with a mounting groove, and the coupler housing body is provided with a boss matching the mounting groove.
5. The coupler housing of claim 1, wherein an inner diameter of the creepage distance limiting hole is smaller than an outer diameter of the female terminal.
6. The coupler housing of claim 1, wherein the diameter of the shielding hole is slightly larger than the diameter of the terminal site hole.
7. The coupler housing according to claim 1, wherein the number of the working through holes is several, and the positioning slits are provided with partition plates for partitioning the corresponding positioning slit portions of the respective working through holes.
8. The coupler housing according to claim 1, wherein the coupler housing body surface is provided with an anti-mismatching groove for preventing the reverse insertion of the socket into the guide hole.
9. The coupler housing of claim 1, wherein the coupler housing body surface is provided with a protruding tooth for increasing a pull-out force of the socket from the coupler housing body.
10. The coupler housing of claim 1, wherein the coupler housing body surface is provided with an extrusion groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121838874.6U CN215911638U (en) | 2021-08-06 | 2021-08-06 | Coupling device shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121838874.6U CN215911638U (en) | 2021-08-06 | 2021-08-06 | Coupling device shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215911638U true CN215911638U (en) | 2022-02-25 |
Family
ID=80291324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121838874.6U Active CN215911638U (en) | 2021-08-06 | 2021-08-06 | Coupling device shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215911638U (en) |
-
2021
- 2021-08-06 CN CN202121838874.6U patent/CN215911638U/en active Active
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