Mistake-proof pin structure for electric connector and electric connector

Abstract

The utility model provides a wrong pin prevention structure for an electric connector and the electric connector. The mistaken pin prevention structure for the electric connector comprises a positioning part and a slot part, one of the positioning part and the slot part is arranged at one end, facing the socket shell, of the plug shell, the other one of the positioning part and the slot part is arranged at one end, facing the plug shell, of the socket shell, and the positioning part corresponds to the slot part in position; in the assembling process, the whole plug component deflects rightwards, and when the plug component is inserted into the socket component at a preset angle, the positioning part can abut against the slot part at a preset position; and finally, the left side of the plug component is plugged into the left side of the socket component, so that plugging of the plug component and the socket component can be completed. In conclusion, in the process of plugging the plug component into the socket component, the slot part can limit the positioning part, so that a certain distance is kept between the plug shell of the plug component and the socket insulator, the plug shell is prevented from puncturing the socket insulator, and the integrity of the electric connector is ensured.

Description

Technical Field

[0001] This application relates to the technical field of electrical connectors, and particularly to an anti-misalignment pin structure for an electrical connector and an electrical connector. Background Art

[0002] An electrical connector is an essential electrical connection conversion structure in a multiple unit train. The electrical connector includes a plug member and a socket member. The plug member includes a plug housing, and the socket member includes a socket housing. During the mating process of the plug member and the socket member: when the plug member and the socket member are in the initial docking state, the connecting plate on the plug member contacts and is tangent to the connecting pin on the socket member, and then the whole plug member deflects to the right. At this time, the plug housing of the plug member will contact the insulator in the socket housing of the socket member. When the deflection docking force is large, there is a risk that the insulator of the socket member will be punctured by the plug housing of the plug member.

[0003] Therefore, there is an urgent need for an anti-misalignment pin structure for an electrical connector and an electrical connector to solve the technical problems existing in the prior art to a certain extent. Summary of the Utility Model

[0004] The purpose of this application is to provide an anti-misalignment pin structure for an electrical connector and an electrical connector, which can solve the technical problem that when the deflection docking force is large in the prior art, the insulator of the socket member will be punctured by the plug housing of the plug member to a certain extent.

[0005] This application provides an anti-misalignment pin structure for an electrical connector; the electrical connector includes a socket member and a plug member inserted and connected to the socket member. The socket member includes a socket housing and a socket insulator disposed inside the socket housing. The plug member includes a plug housing; the anti-misalignment pin structure for the electrical connector includes a positioning portion and a slot portion;

[0006] One of the positioning portion and the slot portion is disposed at one end of the plug housing facing the socket housing, and the other is disposed at one end of the socket housing facing the plug housing, and the positioning portion and the slot portion are in corresponding positions;

[0007] When the plug member is inserted into the socket member at a preset angle, the positioning portion can abut against the slot portion at a preset position, and a preset distance is provided between the plug housing and the socket insulator.

[0008] In the above technical solution, further, the positioning portion is disposed at one end of the plug housing facing the socket housing, and the positioning portion is respectively disposed on the end surface formed by the side wall extending in the first direction and the side wall extending in the second direction and the end surface formed by the side wall extending in the first direction and the side wall extending in the third direction in the plug housing;

[0009] The slot part is arranged at one end of the socket housing facing the plug housing, and the slot parts are respectively arranged on the end face of the socket housing formed by the side wall extending in the first direction and the side wall extending in the second direction and on the end face of the socket housing formed by the side wall extending in the first direction and the side wall extending in the third direction.

[0010] In the above technical solution, further, the positioning part is a positioning pin, and the positioning pin is a semi-cylindrical body.

[0011] In the above technical solution, further, the slot part is a groove body with a semi-circular cross-section and adapted to the positioning pin;

[0012] The groove body protrudes from the inside of the socket housing towards the outside of the socket housing.

[0013] In the above technical solution, further, the length of the positioning pin is set between 8 mm and 12 mm, and the diameter of the positioning pin is set between 0.9 mm and 1.7 mm.

[0014] In the above technical solution, further, the preset angle is set between 3° and 5°;

[0015] When the plug member is inserted into the socket member at a preset angle of 3° - 5°, the positioning part can be in contact with the groove body at a preset position, and a distance between 2.8 mm and 3.5 mm is formed between the plug housing and the socket insulator.

[0016] In the above technical solution, further, the gap between the positioning pin on the end face of the plug housing formed by the side wall extending in the first direction and the side wall extending in the second direction and the groove body on the end face of the socket housing formed by the side wall extending in the first direction and the side wall extending in the second direction is set between 0.5 mm and 0.7 mm.

[0017] In the above technical solution, further, the gap between the positioning pin on the end face of the plug housing formed by the side wall extending in the first direction and the side wall extending in the third direction and the groove body on the end face of the socket housing formed by the side wall extending in the first direction and the side wall extending in the third direction is set between 0.3 mm and 0.5 mm.

[0018] In the above technical solution, further, the positioning part is a positioning pin, and the positioning pin is a cube; the slot part is a groove body with a concave-shaped cross-section and adapted to the positioning pin; the groove body protrudes from the inside of the socket housing towards the outside of the socket housing.

[0019] The present application also provides an electrical connector, including the anti-misalignment pin structure for the electrical connector described above.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] The present application provides an anti-misalignment pin structure for an electrical connector; the electrical connector includes a socket member and a plug member inserted and connected to the socket member. The socket member includes a socket housing and a socket insulator disposed inside the socket housing. The plug member includes a plug housing. The anti-misalignment pin structure for the electrical connector includes a positioning portion and a slot portion;

[0022] One of the positioning portion and the slot portion is disposed at one end of the plug housing facing the socket housing, and the other is disposed at one end of the socket housing facing the plug housing, and the positioning portion and the slot portion are in corresponding positions;

[0023] The assembly process is as follows: When the plug member and the socket member are in the initial docking state, the connecting plate on the plug member contacts and is tangent to the connecting pin on the socket member; then the plug member is deflected to the right as a whole, that is, the right side of the plug member is low and the left side is high, so that the plug member forms a preset angle with the horizontal direction. When the plug member is inserted into the socket member at the preset angle, the positioning portion can abut against the slot portion at the preset position, that is, the positioning portion is snapped onto the slot portion at the preset position, and when the positioning portion is snapped onto the insertion slot at the preset position, there is a preset distance between the plug housing and the socket insulator, that is, at this time, the plug housing and the socket insulator are at a distance and will not abut; finally, the left side of the plug member is inserted into the left side of the socket member to complete the insertion of the plug member and the socket member.

[0024] In summary, during the process of inserting the plug member into the socket member, the slot portion can limit the positioning portion, so that a certain distance is maintained between the plug housing of the plug member and the socket insulator, avoiding the plug housing from piercing the socket insulator and ensuring the integrity of the electrical connector.

[0025] The present application also provides an electrical connector, including the anti-misalignment pin structure for the electrical connector described above. Therefore, it has all the beneficial effects of the anti-misalignment pin structure for the electrical connector, which will not be specifically elaborated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0027] Figure 1 The structural schematic diagram of the anti-misalignment pin structure for an electrical connector provided by this application from the first perspective;

[0028] Figure 2 The structural schematic diagram of the anti-misalignment pin structure for an electrical connector provided by this application from the second perspective;

[0029] Figure 3 The structural schematic diagram of the anti-misalignment pin structure for an electrical connector provided by this application with the socket housing hidden and from the first perspective;

[0030] Figure 4 The structural schematic diagram of the anti-misalignment pin structure for an electrical connector provided by this application with the socket housing hidden and from the second perspective;

[0031] Figure 5 The structural schematic diagram of the socket housing in the anti-misalignment pin structure for an electrical connector provided by this application and from the first perspective;

[0032] Figure 6 The structural schematic diagram of the socket housing in the anti-misalignment pin structure for an electrical connector provided by this application and from the second perspective.

[0033] Reference numerals: 1 - socket member; 2 - plug member; 3 - positioning pin; 4 - groove; 5 - first direction; 6 - socket housing; 7 - plug housing; 8 - third direction; 9 - second direction; 10 - connecting plate; 11 - connecting pin. Detailed implementation manners

[0034] The following detailed implementation manners are provided to assist the reader in obtaining a comprehensive understanding of the methods, devices, and / or systems described herein. However, various changes, modifications, and equivalents of the methods, devices, and / or systems described herein will be apparent after understanding the disclosure of this application. For example, the order of operations described herein is merely exemplary and is not limited to the order set forth herein. Rather, changes that will be apparent after understanding the disclosure of this application can be made, except for operations that must occur in a specific order. In addition, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.

[0035] The features described herein may be implemented in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein are provided only to illustrate some of the many possible ways of implementing the methods, devices, and / or systems described herein that will be apparent after understanding the disclosure of this application.

[0036] Throughout the specification, when an element such as a layer, region, or substrate is described as being "on" another element, "connected to" another element, "coupled to" another element, "above" another element, or "covering" another element, it can be directly "on" the other element, "connected to" the other element, "coupled to" the other element, "above" the other element, or "covering" the other element, or there can be one or more other elements intervening therebetween. In contrast, when an element is described as being "directly on" another element, "directly connected to" another element, "directly coupled to" another element, "directly above" another element, or "directly covering" another element, there can be no other elements intervening therebetween.

[0037] As used herein, the term "and / or" includes any one of the listed related items and any combination of any two or more of them.

[0038] Although terms such as "first", "second", and "third" may be used herein to describe various components, elements, regions, layers, or parts, these components, elements, regions, layers, or parts are not limited by these terms. Rather, these terms are only used to distinguish one component, element, region, layer, or part from another. Thus, the first component, element, region, layer, or part described in the examples herein could also be termed the second component, element, region, layer, or part without departing from the teachings of the examples.

[0039] For ease of description, spatial relationship terms such as "above", "upper", "below", and "lower" may be used herein to describe the relationship of one element to another as shown in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is flipped, an element described as "above" or "upper" relative to another element will then be "below" or "lower" relative to the other element. Thus, the term "above" includes both the orientations of "above" and "below" depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relationship terms used herein will be interpreted accordingly.

[0040] The terms used herein are for describing various examples only and are not intended to limit the present disclosure. Unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. The terms "comprising," "including," and "having" enumerate the stated features, quantities, operations, components, elements, and / or combinations thereof that exist, but do not preclude the existence or addition of one or more other features, quantities, operations, components, elements, and / or combinations thereof.

[0041] Due to manufacturing techniques and / or tolerances, variations in the shapes shown in the drawings may occur. Accordingly, the examples described herein are not limited to the specific shapes shown in the drawings, but include changes in shape that occur during manufacturing.

[0042] The features of the examples described herein can be combined in various ways that will be apparent after understanding the disclosure of the present application. In addition, although the examples described herein have various configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.

[0043] Example 1

[0044] Combined with Figures 1-6 as shown below, a misalignment prevention pin structure for an electrical connector provided by the present application will be described in detail.

[0045] The present application provides a misalignment prevention pin structure for an electrical connector; combined with Figure 1 as shown, the misalignment prevention pin structure for an electrical connector includes a socket member 1 and a plug member 2 that is inserted and connected to the socket member 1; wherein, the socket member 1 includes a socket housing 6 and a socket insulator disposed inside the socket housing 6; wherein, the plug member 2 includes a plug housing 7.

[0046] Specifically, the misalignment prevention pin structure for an electrical connector includes a positioning portion and a slot portion; one of the positioning portion and the slot portion is disposed at one end of the plug housing 7 facing the socket housing 6, and the other is disposed at one end of the socket housing 6 facing the plug housing 7, and the positioning portion and the slot portion are in corresponding positions; that is, if the positioning portion is disposed at one end of the plug housing 7 facing the socket housing 6, then the slot portion is disposed at one end of the socket housing 6 facing the plug housing 7, or the positioning portion is disposed at one end of the socket housing 6 facing the plug housing 7, and the slot portion is disposed at one end of the plug housing 7 facing the socket housing 6.

[0047] The assembly process is as follows: When the plug member 2 and the socket member 1 are in the initial docking state, the connecting plate 10 on the plug member 2 contacts and is tangent to the connecting pin 11 on the socket member 1. Then the whole plug member 2 deflects to the right, that is, the right side of the plug member 2 is lower and the left side is higher, so that the plug member 2 forms a preset angle with the horizontal direction. When the plug member 2 is inserted into the socket member 1 at the preset angle, the positioning portion can abut against the slot portion at the preset position, that is, the positioning portion is clamped on the slot portion at the preset position. And when the positioning portion is clamped on the slot portion at the preset position, there is a preset distance between the plug housing 7 and the socket insulator, that is, at this time, the plug housing 7 and the socket insulator are at a distance and will not abut. Finally, the left side of the plug member 2 is inserted into the left side of the socket member 1, that is, the positioning portion is completely inserted into the slot portion, and thus the insertion of the plug member 2 and the socket member 1 can be completed.

[0048] In summary, during the process of inserting the plug member 2 into the socket member 1, the slot portion can limit the positioning portion, so that a certain distance is maintained between the plug housing 7 of the plug member 2 and the socket insulator, preventing the plug housing 7 from piercing the socket insulator and ensuring the integrity of the electrical connector.

[0049] In this embodiment, as shown in Figure 1 and Figure 2 , the positioning portion is arranged at one end of the plug housing 7 facing the socket housing 6, and the positioning portion is respectively arranged on the end face of the plug housing 7 formed by the side wall extending along the first direction 5 and the side wall extending along the second direction 9, and on the end face of the plug housing 7 formed by the side wall extending along the first direction 5 and the side wall extending along the third direction 8. As shown in Figure 1 and Figure 2 , the slot portion is arranged at one end of the socket housing 6 facing the plug housing 7, and the slot portion is respectively arranged on the end face of the socket housing 6 formed by the side wall extending along the first direction 5 and the side wall extending along the second direction 9, and on the end face of the socket housing 6 formed by the side wall extending along the first direction 5 and the side wall extending along the third direction 8.

[0050] The above-mentioned first direction 5 refers to the height direction of the plug member 2, the second direction 9 refers to the width direction of the plug member 2, and the third direction 8 refers to the length direction of the plug member 2.

[0051] In addition, the slot portion and the positioning portion can also be arranged in the following way: The slot portion is arranged at one end of the plug housing 7 facing the socket housing 6, and the slot portion is respectively arranged on the end face of the plug housing 7 formed by the side wall extending along the first direction 5 and the side wall extending along the second direction 9, and on the end face of the plug housing 7 formed by the side wall extending along the first direction 5 and the side wall extending along the third direction 8. As shown in Figure 1 and Figure 2As shown, the positioning portion is provided at one end of the socket housing 6 facing the plug housing 7, and the positioning portion is respectively provided on the end face of the socket housing 6 formed by the side wall extending along the first direction 5 and the side wall extending along the second direction 9, and on the end face of the socket housing 6 formed by the side wall extending along the first direction 5 and the side wall extending along the third direction 8.

[0052] In this embodiment, in combination with Figure 3 and Figure 4 , the positioning portion is a positioning pin 3. The positioning pin 3 is a semi-cylindrical body, which means that the cross-section of the positioning pin 3 is semi-circular.

[0053] In addition, the positioning pin 3 extends along the first direction 5.

[0054] In this embodiment, in combination with Figure 5 and Figure 6 as shown, the slot portion is a groove body 4 with a semi-circular cross-section and adapted to the positioning pin 3.

[0055] Specifically, the groove body 4 is formed by protruding from the inside of the socket housing 6 towards the outside of the socket housing 6.

[0056] In this embodiment, the length of the positioning pin is set between 8 mm and 12 mm, the diameter of the positioning pin is set between 0.9 mm and 1.7 mm; the preset angle is set between 3° and 5°; preferably, the length of the positioning pin 3 is set to 10.0 mm; preferably, the diameter of the positioning pin 3 is set to 1.3 mm; preferably, the preset angle is set to 4.93°.

[0057] Specifically, when the plug member 2 is inserted into the socket member 1 at an angle of 4.93°, the positioning portion can abut against the insertion slot at the preset position, and a distance of 3.13 mm is formed between the plug housing 7 and the socket insulator.

[0058] Furthermore, the preset position is the middle part of the positioning pin 3. When the plug member 2 is inserted into the socket member 1 at an angle of 4.93°, the middle part of the positioning pin 3 just abuts against the edge of the groove body 4, and at this time, a distance of 3.13 mm is just formed between the plug housing 7 and the socket insulator, thus ensuring that the plug housing 7 and the socket insulator will not abut against each other, that is, the plug housing 7 will not pierce through the socket insulator.

[0059] In this embodiment, in combination with Figures 1-6 as shown, the gap between the positioning pin 3 on the end face of the plug housing 7 formed by the side wall extending along the first direction 5 and the side wall extending along the second direction 9 and the groove body 4 on the end face of the socket housing 6 formed by the side wall extending along the first direction 5 and the side wall extending along the second direction 9 is set between 0.5 mm and 0.7 mm. Preferably, this gap is 0.65 mm.

[0060] Specifically, the gap here is set to 0.65mm. Compared with the 1mm structure in the existing structure, the present application reduces the gap here while ensuring that the positioning pin 3 and the groove body 4 can be engaged during the assembly process. After the plug component 2 and the socket component 1 are docked, the shaking amount of the plug component 2 and the socket component 1 in the second direction 9 is reduced, making the connection between the plug component 2 and the socket component 1 more stable.

[0061] In this embodiment, combined with Figures 1-6 As shown, the gap between the positioning pin 3 on the end face formed by the side wall extending along the first direction 5 and the side wall extending along the third direction 8 in the plug housing 7 and the slot body 4 on the end face formed by the side wall extending along the first direction 5 and the side wall extending along the third direction 8 in the socket housing 6 is set between 0.3mm-0.5mm, preferably, set to 0.4mm.

[0062] Specifically, the gap here is set to 0.4mm. Compared with the 0.56mm-1.7mm structure in the existing structure, the present application reduces the gap here while ensuring that the positioning pin 3 and the groove body 4 can be engaged during the assembly process. After the plug component 2 and the socket component 1 are docked, the shaking amount of the plug component 2 and the socket component 1 in the third direction 8 is reduced, making the connection between the plug component 2 and the socket component 1 more stable.

[0063] The following method is used to judge whether the plug member 2 and the socket member 1 are in place: after being docked, the height of the positioning pin 3 is consistent with the upper end height of the socket housing 6. Visually or by hand, the slot 4 of the socket housing 6 is touched, and the plug member 2 and the socket member 1 are docked in place.

[0064] Embodiment 2

[0065] The difference between this embodiment and the first embodiment is that the positioning portion is a positioning pin 3 which is a cube; the slot portion is a slot body 4 which has a concave cross-section and is compatible with the positioning pin 3; the slot body 4 is formed by protruding from the inside of the socket housing 6 toward the outside of the socket housing 6.

[0066] It is worth noting that the structures of the positioning pin 3 and the slot body 4 may also be in other forms, and are not limited to the structures in the embodiment and the second embodiment.

[0067] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An anti-misalignment pin structure for an electrical connector; the electrical connector includes a socket member and a plug member that is inserted and connected to the socket member, the socket member includes a socket housing and a socket insulator disposed inside the socket housing, and the plug member includes a plug housing; characterized in that, The anti-misalignment pin structure for the electrical connector includes a positioning portion and a slot portion; One of the positioning portion and the slot portion is disposed at one end of the plug housing facing the socket housing, and the other is disposed at one end of the socket housing facing the plug housing, and the positioning portion and the slot portion are in corresponding positions; During the insertion process of the plug member towards the socket member at a preset angle, the positioning portion can abut against the slot portion at a preset position, and a preset distance is provided between the plug housing and the socket insulator.

2. The anti-misalignment pin structure for an electrical connector according to claim 1, wherein The positioning portion is disposed at one end of the plug housing facing the socket housing, and the positioning portion is respectively disposed on the end surface of the plug housing formed by the side wall extending in the first direction and the side wall extending in the second direction and the end surface formed by the side wall extending in the first direction and the side wall extending in the third direction; The slot portion is disposed at one end of the socket housing facing the plug housing, and the slot portion is respectively disposed on the end surface of the socket housing formed by the side wall extending in the first direction and the side wall extending in the second direction and the end surface formed by the side wall extending in the first direction and the side wall extending in the third direction.

3. The anti-misalignment pin structure for an electrical connector according to claim 2, wherein The positioning portion is a positioning pin, and the positioning pin is a semi-cylindrical body.

4. The anti-misalignment pin structure for an electrical connector according to claim 3, characterized in that, The slot portion is a groove body with a semi-circular cross-section and adapted to the positioning pin; The groove body protrudes from the inside of the socket housing towards the outside of the socket housing.

5. The anti-misalignment pin structure for an electrical connector according to claim 4, wherein, The length of the positioning pin is set between 8 mm and 12 mm, and the diameter of the positioning pin is set between 0.9 mm and 1.7 mm.

6. The anti-misalignment pin structure for an electrical connector according to claim 5, wherein, The preset angle is set between 3° and 5°; During the insertion process of the plug member towards the socket member at a preset angle of 3° - 5°, the positioning portion can abut against the groove body at a preset position, and a distance between 2.8 mm and 3.5 mm is formed between the plug housing and the socket insulator.

7. The anti-misalignment pin structure for an electrical connector according to claim 3, wherein, The gap between the positioning pin on the end surface of the plug housing formed by the side wall extending in the first direction and the side wall extending in the second direction and the groove body on the end surface of the socket housing formed by the side wall extending in the first direction and the side wall extending in the second direction is set between 0.5 mm and 0.7 mm.

8. The anti-misalignment pin structure for an electrical connector according to claim 3, wherein, The gap between the positioning pin on the end surface of the plug housing formed by the side wall extending in the first direction and the side wall extending in the third direction and the groove body on the end surface of the socket housing formed by the side wall extending in the first direction and the side wall extending in the third direction is set between 0.3 mm and 0.5 mm.

9. The anti-misalignment pin structure for an electrical connector according to claim 2, wherein, The positioning portion is a positioning pin, and the positioning pin is a cube; the slot portion is a groove body with a concave-shaped cross-section and adapted to the positioning pin; the groove body protrudes from the inside of the socket housing towards the outside of the socket housing.

10. An electrical connector, characterized in that, Comprising the anti-misalignment pin structure for an electrical connector according to any one of claims 1 - 9.

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