Seven-core socket connector

Abstract

The utility model discloses a seven-core socket connector, which relates to the field of connectors, and comprises a folding box, a socket body, a plug body, a cover body, a pin assembly, a first sealing assembly and a second sealing assembly, and the folding box comprises a first half shell, a connecting part and a second half shell which are integrally formed and sequentially connected. The first half shell and the second half shell can be combined into a folding box with a first mounting cavity by folding the first half shell and / or the second half shell along the connecting part; the first sealing assembly comprises a first sealing ring and a plurality of sealing plugs, and the first sealing ring is connected between the inner side wall of the socket body and the outer side wall of the plug body in a sealing manner; each sealing plug is in sealed connection with one end, far away from the plug body terminal, in the third mounting cavity, and each sealing plug is provided with a sealing cavity used for being in sealed connection with the wire harness; the second sealing assembly is arranged between the cover body and the socket body, and the second sealing assembly can seal the opening of the first end of the socket body. The mold is saved, and the processing procedure is simplified; and the sealing effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a 7-core socket connector. Background Art

[0002] Socket connectors are used to mate with plugs to achieve power transmission. Existing 7-pin automotive socket connectors lack waterproofing mechanisms for the contact pins inside the socket connector, or only have a sealing ring at the connection between the socket body and the wires. This poor waterproofing allows water to easily enter the socket connector during use, causing accelerated corrosion of the contact pins, signal distortion, and the risk of short circuits.

[0003] The shell of an existing automotive 7-pin socket connector generally includes a first half shell and a second half shell. The first half shell and the second half shell are formed separately by two molds and then assembled. A large number of molds are required and the processing process is relatively complicated. Utility Model Content

[0004] The purpose of the utility model is to provide a 7-core socket connector to solve the problems existing in the prior art, save molds, simplify the processing procedures, and have a good sealing effect.

[0005] To achieve the above purpose, the present invention provides the following solutions:

[0006] The utility model provides a 7-core socket connector, comprising a folding box, a socket body, an insert body, a cover body, a pin assembly, a first sealing assembly and a second sealing assembly, wherein:

[0007] The folding box includes an integrally formed first half shell, a connecting portion, and a second half shell, wherein the first half shell, the connecting portion, and the second half shell are sequentially connected, and the first half shell and / or the second half shell can be combined to form the folding box having a first mounting cavity by folding the first half shell and / or the second half shell along the connecting portion;

[0008] The first end of the socket body is arranged in the first installation cavity, and the socket body is provided with a second installation cavity with two ends open;

[0009] The insert body is arranged in the second installation cavity, and the insert body is provided with a plurality of third installation cavities with openings at both ends;

[0010] The pin assembly includes a plurality of plug terminals, each of which is arranged in one of the third mounting cavities;

[0011] The cover is connected to the second end of the socket body;

[0012] The first sealing assembly includes a first sealing ring and a plurality of sealing plugs, wherein the first sealing ring is sealed between the inner side wall of the socket body and the outer side wall of the plug body; each sealing plug is sealed to an end of the third mounting cavity away from the plug body terminal, and each sealing plug is provided with a sealing cavity for sealingly connecting to the wiring harness;

[0013] The second sealing component is disposed between the cover and the socket body, and the second sealing component can seal the opening at the first end of the socket body.

[0014] Preferably, the second sealing assembly includes a second sealing ring and a sealing block, the first end of the socket body has an annular first sealing surface, the first sealing surface is located on the outer ring of the pin assembly, the side wall of the cover body close to the end surface of the socket body is the second sealing surface, and the second sealing ring is arranged between the second sealing surface and the first sealing surface; the sealing block is sealingly connected to the inner cavity of the cover body, and the sealing block can cover and seal the opening of the first end of the socket body.

[0015] Preferably, a first protrusion is provided on the inner wall of the cover body away from the socket body; a first groove is provided at one end of the sealing block away from the pin assembly, the first protrusion can be inserted into the first groove, and the first protrusion can limit the movement of the sealing block in a direction perpendicular to the center line of the cover body.

[0016] Preferably, at least one second protrusion is provided on the inner side wall of the cover body, and at least one second groove is provided on the outer side wall of the second sealing ring, each second groove and each second protrusion extends in a direction parallel to the center line of the cover body, the second grooves correspond to the second protrusions one by one, and each second groove matches the corresponding second protrusion.

[0017] Preferably, each of the second protrusions can limit the movement of the sealing block in a direction perpendicular to the center line of the cover body.

[0018] Preferably, one end of the plug body away from the socket body is fixedly connected to a limiting protrusion protruding from the outer wall of the plug body, and the second end of the socket body is fixedly connected to a limiting surface protruding from the inner wall of the socket body. The socket body and the plug body are fixedly connected in a detachable manner, and the two ends of the first sealing ring can respectively abut against the limiting surface and the limiting protrusion.

[0019] Preferably, at least one annular sealing protrusion is provided on the outer side wall of the first sealing ring.

[0020] Preferably, it also includes multiple wiring harnesses, and the folding box is provided with a wire outlet hole, one end of each wiring harness is connected to one of the plug terminals, and the other end of each wiring harness extends out of the folding box through the wire outlet hole, and the outer side wall of each wiring harness is sealed with the inner side wall of the corresponding sealing plug.

[0021] Preferably, the cover body and the first end of the socket body form a rotational connection around a rotation axis, the rotation axis and the center line of the cover body are perpendicular to each other, the cover body can be opened and closed by rotating around the rotation axis, and the cover body can be maintained in a closed state.

[0022] Preferably, it further comprises a wire protection sleeve, which is arranged outside the folding box, the wire protection sleeve is fixedly connected to the wire outlet hole of the folding box, and each of the wire harnesses is arranged in the wire protection sleeve.

[0023] Compared with the prior art, the utility model has achieved the following technical effects:

[0024] The utility model provides a 7-core socket connector, comprising a folding box, a socket body, an insert body, a cover body, a pin assembly, a first sealing assembly and a second sealing assembly, the folding box comprising an integrally formed first half shell, a second half shell and a connecting portion, the first half shell, the connecting portion and the second half shell being connected in sequence, and the first half shell and / or the second half shell being folded along the connecting portion so that the first half shell and the second half shell can be combined into a folding box having a first mounting cavity; the first sealing assembly comprises a first sealing ring and a plurality of sealing plugs, the first sealing ring being sealingly connected between the inner side wall of the socket body and the outer side wall of the insert body; each sealing plug being sealingly connected to an end of a third mounting cavity away from the insert body terminal, and each sealing plug being provided with a sealing cavity for sealingly connecting to a wiring harness; the second sealing assembly being arranged between the cover body and the socket body, and the second sealing assembly being capable of sealing the opening at the first end of the socket body.

[0025] The folding box of the utility model is formed by integrally molding a first half shell and a second half shell using a single mold. The two half shells are connected only by a connecting portion after molding. By folding along the connecting portion, the first half shell and the second half shell can be butted together to form a box-shaped folding box. This saves molds and can form both half shells in a single molding operation, simplifying the manufacturing process. Furthermore, the socket body and the folding box, and the socket body and the wiring harness are sealed by a first sealing assembly and a second sealing assembly, respectively. The utility model not only provides a sealing structure within the third mounting cavity between the wiring harness and the plug body, but also provides a seal between the socket body and the plug body, resulting in a good sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 This is an exploded schematic diagram of the 7-core socket connector provided by the utility model;

[0028] Figure 2 This is the official diagram of the 7-core socket connector provided by the utility model;

[0029] Figure 3 for Figure 2 Cross-sectional view of AA;

[0030] Figure 4 A schematic structural diagram of the cover provided by the utility model;

[0031] Figure 5 A schematic structural diagram of the sealing block provided by the utility model;

[0032] Figure 6 This is a schematic diagram of the structure of the 7-core socket connector provided by the utility model;

[0033] Figure 7 for Figure 2 A top view of

[0034] Figure 8 This is a schematic diagram of the structure of the plug terminal provided by the utility model;

[0035] In the figure: 100, 7-pin socket connector; 1, folding box; 101, first half shell; 102, second half shell; 103, first mounting cavity; 104, wire outlet hole; 105, connecting portion; 2, socket body; 201, second mounting cavity; 202, first sealing surface; 203, limiting surface; 3, plug body; 301, third mounting cavity; 302, limiting protrusion; 4, cover; 401, second sealing surface; 402, first protrusion; 403, second protrusion; 5, plug terminal; 501, first terminal; 502, second terminal; 6, first sealing assembly; 601, first sealing ring; 602, sealing plug; 603, sealing protrusion; 7, second sealing assembly; 701, second sealing ring; 702, sealing block; 703, first groove; 704, second groove; 705, third sealing surface; 8, wiring harness; 9, wire sleeve; 10, rotating shaft; 11, torsion spring. DETAILED DESCRIPTION

[0036] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] The purpose of the present utility model is to provide a 7-core socket connector 100 to solve the problems existing in the prior art, save molds, simplify the processing steps, and achieve a better sealing effect.

[0038] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0039] like Figures 1 to 8 As shown, the utility model provides a 7-pin socket connector 100, including a folding box 1, a socket body 2, an insert body 3, a cover body 4, a pin assembly, a first sealing assembly 6 and a second sealing assembly 7, wherein: the folding box 1 includes an integrally formed first half shell 101, a second half shell 102 and a connecting portion 105, the first half shell 101, the connecting portion 105 and the second half shell 102 are connected in sequence, and the first half shell 101 and / or the second half shell 102 can be folded along the connecting portion 105 to form the folding box 1 having a first mounting cavity 103; the first end of the socket body 2 is arranged in the first mounting cavity 103, and the socket body 2 is provided with a second mounting cavity 201 with two ends open; the insert body 3 is arranged in the second mounting cavity 201, and the insert body 3 is provided with multiple A third mounting cavity 301 with openings at both ends; the pin assembly includes a plurality of plug terminals 5, each plug terminal 5 is arranged in a third mounting cavity 301; the cover body 4 is connected to the second end of the socket body 2; the first sealing assembly 6 includes a first sealing ring 601 and a plurality of sealing plugs 602, the first sealing ring 601 is sealedly connected between the inner side wall of the socket body 2 and the outer side wall of the plug 3, and the first sealing ring 601 is sealedly connected to the inner side wall of the socket body 2 and the outer side wall of the plug 3; each sealing plug 602 is sealedly connected to one end of the third mounting cavity 301 away from the plug terminal 5, and each sealing plug 602 is provided with a sealing cavity for sealing connection with the wiring harness 8; the second sealing assembly 7 is arranged between the cover body 4 and the socket body 2, and the second sealing assembly 7 can seal the opening at the first end of the socket body 2.

[0040] The folding box 1 of the present invention is formed integrally with a first half shell 101 and a second half shell 102 using a single mold. The two half shells are connected only by a connecting portion 105. By folding along the connecting portion 105, the first half shell 101 and the second half shell 102 can be joined to form a box-shaped folding box 1. This saves molds and allows both half shells to be formed in a single molding operation, simplifying the manufacturing process. Furthermore, the socket body 2 and the folding box 1, as well as the socket body 2 and the wiring harness 8, are sealed respectively by a first sealing assembly 6 and a second sealing assembly 7. Furthermore, the present invention not only provides a sealing structure within the third mounting cavity 301 between the wiring harness 8 and the plug body 3, but also provides a seal between the socket body 2 and the plug body 3, resulting in a good sealing effect.

[0041] As a preferred embodiment, the first half shell 101, the second half shell 102 and the connecting portion 105 are integrally formed by an injection molding process. The first half shell 101 and the second half shell 102 both have side walls and bottom walls. The two sides of the connecting portion 105 are respectively connected to part of the side wall of the first half shell 101 and part of the side wall of the second half shell 102. The connecting portion 105 can be folded along its own length direction. After folding, the end of the side wall of the first half shell 101 away from the bottom wall of the first half shell 101 can be connected to the end of the side wall of the second half shell 102 away from the bottom wall of the second half shell 102, thereby forming a folding box 1.

[0042] In the present invention, the second sealing assembly 7 includes a second sealing ring 701 and a sealing block 702. The first end of the socket body 2 has an annular first sealing surface 202, which is located on the outer ring of the pin assembly. The end surface of the side wall of the cover body 4 near the socket body 2 is the second sealing surface 401. The second sealing ring 701 is disposed between the second sealing surface 401 and the first sealing surface 202. The sealing block 702 is sealingly connected to the inner cavity of the cover body 4 and can cover and seal the opening at the first end of the socket body 2. The second sealing ring 701 can seal the gap between the first sealing surface 202 and the second sealing surface 401, while the sealing block 702 can seal the opening at the first end of the socket body 2. The second sealing ring 701 and the sealing block 702 form a double seal, which is conducive to improving the sealing effect.

[0043] In the present invention, a first protrusion 402 is provided on the inner wall of the cover 4, away from the socket body 2; a first groove 703 is provided on the end of the sealing block 702, away from the pin assembly. The first protrusion 402 can be inserted into the first groove 703 and can limit the movement of the sealing block 702 in a direction perpendicular to the centerline of the cover 4. The first protrusion 402 is sized to match the first groove 703, and the outer wall of the first protrusion 402 can contact the corresponding inner wall of the first groove 703 to limit the position of the sealing block 702, preventing it from shaking and improving the sealing effect.

[0044] As a preferred embodiment, the surface of the sealing block 702 away from the socket body 2 can match the inner wall of the cover body 4 away from the socket body 2, and the surface of the sealing block 702 away from the socket body 2 can completely contact the inner wall of the cover body 4 away from the socket body 2.

[0045] In the present invention, at least one second protrusion 403 is provided on the inner sidewall of the cover body 4, and at least one second groove 704 is provided on the outer sidewall of the second sealing ring 701. Each second groove 704 and each second protrusion 403 extend in a direction parallel to the centerline of the cover body 4. The second grooves 704 correspond one-to-one with the second protrusions 403, and each second groove 704 matches the corresponding second protrusion 403. The second protrusions 403 can position the sealing block 702, ensuring the accuracy of the installation position of the sealing block 702, so that the first groove 703 of the sealing block 702 can smoothly mate with the first protrusion 402.

[0046] In the present invention, each second protrusion 403 can limit the movement of the sealing block 702 in a direction perpendicular to the centerline of the cover body 4. The outer sidewalls of the second protrusions 403 can contact the inner sidewalls corresponding to the second grooves 704 to further limit the position of the sealing block 702, prevent the sealing block 702 from shaking, and improve the sealing effect.

[0047] In the present invention, the end of the plug body 3 away from the socket body 2 is fixedly connected to a limiting protrusion 302 protruding from the outer wall of the plug body 3. The second end of the socket body 2 is fixedly connected to a limiting surface 203 protruding from the inner wall of the socket body 2. The socket body 2 and the plug body 3 are detachably fixedly connected, preferably by a snap connection. The two ends of the first sealing ring 601 can respectively abut the limiting surface 203 and the limiting protrusion 302. The limiting surface 203 and the limiting protrusion 302 can limit the first sealing ring 601 and ensure the stability of the installation.

[0048] In the present invention, at least one annular sealing protrusion 603 is provided on the outer wall of the first sealing ring 601. As a preferred embodiment, there are multiple sealing protrusions 603, and the center line of each sealing protrusion 603 is collinear with the center line of the socket body 2.

[0049] The present invention also includes multiple wiring harnesses 8. A wire outlet hole 104 is provided on the folding box 1. One end of each wiring harness 8 is connected to a plug terminal 5, and the other end of each wiring harness 8 extends to the outside of the folding box 1 through the wire outlet hole 104. The outer side wall of each wiring harness 8 is sealed with the inner side wall of the corresponding sealing plug 602.

[0050] In the present invention, the cover 4 is pivotally connected to the first end of the socket body 2 about a rotation axis. The rotation axis is perpendicular to the centerline of the cover 4. The cover 4 can be opened and closed by rotating about the rotation axis, and the cover 4 can remain closed. When the 7-pin socket connector 100 is to be connected to a plug, the cover 4 is opened and the plug is connected to the pin assembly. When the socket is not in use, the plug is unplugged, and the cover 4 remains closed for waterproof protection.

[0051] The present invention further comprises a wire sheath 9 , preferably a rubber sealing sheath, which is arranged outside the folding box 1 and fixedly connected to the wire outlet hole 104 of the folding box 1 , and each wiring harness 8 is arranged inside the wire sheath 9 .

[0052] As a preferred embodiment, the end face of the second sealing ring 701 close to one end of the socket body 2 is a third sealing surface 705, and the projection of the inner edge of the opening at the first end of the socket body 2 on the third sealing surface 705 is located inside the third sealing surface 705, so that the second sealing ring 701 can completely seal the opening at the first end of the socket body 2.

[0053] As a preferred embodiment, the device further includes a rotating shaft 10 and a torsion spring 11. The rotating shaft 10 is fixedly connected to the socket body 2 and rotatably connected to the cover 4. The torsion spring 11 is sleeved outside the rotating shaft 10. The two force arms of the torsion spring 11 can respectively abut the socket body 2 and the cover 4. The cover 4 can remain in a closed state under the elastic force of the torsion spring 11. The axis of the rotating shaft 10 is the rotation axis. When it is necessary to open the cover 4, an external force is applied to the cover 4, causing the cover 4 to rotate about the rotation axis and twisting the torsion spring 11 until the cover 4 opens. When it is necessary to close the cover 4, the external force is removed or reduced, causing the cover 4 to return to the closed state under the action of the torsion spring 11.

[0054] As a preferred embodiment, the socket body 2 and the cover body 4 are provided with a snap-fitting structure that can cooperate with each other. When the cover body 4 is closed under the action of the torsion spring 11, the socket body 2 and the cover body 4 are locked by the snap-fitting structure on the socket body 2 and the cover body 4, so that the cover body 4 can be better kept closed, thereby ensuring the waterproof performance of the 7-core socket connector 100.

[0055] As a preferred embodiment, the first sealing ring 601, the second sealing ring 701, the sealing plug 602 and the sealing block 702 are all rubber seals, and the cover 4 is a plastic cover. The rotating shaft 10 is a pin, which has an interference fit with the socket body 2 to achieve a fixed connection.

[0056] As a preferred embodiment, each pin terminal includes a first terminal 501 and a second terminal 502, one end of the first terminal 501 is arranged at the opening at the first end of the socket body 2, for electrically connecting to the plug, the other end of the first terminal 501 can be electrically connected to one end of the second terminal 502, and the other end of the second terminal 502 is used to electrically connect to the wiring harness 8.

[0057] As a preferred embodiment, the first sealing ring 601 is bonded to the first sealing surface 202 .

[0058] In the 7-core receptacle connector 100 of this embodiment, the waterproof grade of the cover 4 end can reach IPX7, and the waterproof grade of the wiring harness 8 end can reach IPX9K.

[0059] The assembly method of the 7-core socket connector 100 in this embodiment is as follows:

[0060] First, assemble the socket body 2, the first terminal 501, and the second sealing ring 701, which is defined as combination (1);

[0061] Second, assemble the plug body 3, the plug body terminal 5, the sealing plug 602, and the first sealing ring 601, which is defined as combination (two);

[0062] Third, the cover 4 and the sealing block 702 are assembled, preferably bonded together, which is defined as assembly (three).

[0063] Fourth, assemble combination (1), combination (2), combination (3), torsion spring 11, pin, folding box 1, and wire protection sleeve 9.

[0064] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A 7-core socket connector, characterized by: It includes a folding box, a socket body, an insert body, a cover body, a pin assembly, a first sealing assembly and a second sealing assembly, wherein: The folding box includes an integrally formed first half shell, a connecting portion, and a second half shell, wherein the first half shell, the connecting portion, and the second half shell are sequentially connected, and the first half shell and / or the second half shell can be combined to form the folding box having a first mounting cavity by folding the first half shell and / or the second half shell along the connecting portion; The first end of the socket body is arranged in the first installation cavity, and the socket body is provided with a second installation cavity with two ends open; The insert body is arranged in the second installation cavity, and the insert body is provided with a plurality of third installation cavities with openings at both ends; The pin assembly includes a plurality of plug terminals, each of which is arranged in one of the third mounting cavities; The cover is connected to the second end of the socket body; The first sealing assembly includes a first sealing ring and a plurality of sealing plugs, wherein the first sealing ring is sealed between the inner side wall of the socket body and the outer side wall of the plug body; each sealing plug is sealed to an end of the third mounting cavity away from the plug body terminal, and each sealing plug is provided with a sealing cavity for sealingly connecting to the wiring harness; The second sealing component is disposed between the cover and the socket body, and the second sealing component can seal the opening at the first end of the socket body.

2. The 7-core socket connector according to claim 1, wherein: The second sealing assembly includes a second sealing ring and a sealing block. The first end of the socket body has an annular first sealing surface, the first sealing surface is located on the outer ring of the pin assembly, the side wall of the cover body close to the end surface of the socket body is the second sealing surface, and the second sealing ring is arranged between the second sealing surface and the first sealing surface; the sealing block is sealingly connected to the inner cavity of the cover body, and the sealing block can cover and seal the opening of the first end of the socket body.

3. The 7-core socket connector according to claim 2, wherein: A first protrusion is provided on the inner wall of the cover body away from the socket body; a first groove is provided on the end of the sealing block away from the pin assembly, the first protrusion can be inserted into the first groove, and the first protrusion can limit the movement of the sealing block in a direction perpendicular to the center line of the cover body.

4. The 7-core socket connector according to claim 2, wherein: At least one second protrusion is provided on the inner side wall of the cover body, and at least one second groove is provided on the outer side wall of the second sealing ring. Each second groove and each second protrusion extends in a direction parallel to the center line of the cover body. The second grooves correspond to the second protrusions one by one, and each second groove matches the corresponding second protrusion.

5. The 7-core socket connector according to claim 4, characterized in that: Each of the second protrusions can limit the movement of the sealing block in a direction perpendicular to the center line of the cover body.

6. The 7-core socket connector according to claim 1, wherein: One end of the plug body away from the socket body is fixedly connected to a limiting protrusion protruding from the outer wall of the plug body, and the second end of the socket body is fixedly connected to a limiting surface protruding from the inner wall of the socket body. The socket body and the plug body are detachably fixedly connected, and the two ends of the first sealing ring can respectively abut against the limiting surface and the limiting protrusion.

7. The 7-core socket connector according to claim 1, wherein: At least one annular sealing protrusion is provided on the outer side wall of the first sealing ring.

8. The 7-core socket connector according to claim 1, wherein: It also includes multiple wiring harnesses, and the folding box is provided with a wire outlet hole. One end of each wiring harness is connected to a plug terminal, and the other end of each wiring harness extends out of the folding box through the wire outlet hole. The outer side wall of each wiring harness is sealed with the inner side wall of the corresponding sealing plug.

9. The 7-core socket connector according to claim 1, wherein: The cover body and the first end of the socket body are connected to each other by a rotation axis, the rotation axis is perpendicular to the center line of the cover body, and the cover body can be opened and closed by rotating around the rotation axis, and the cover body can be maintained in the closed state.

10. The 7-core socket connector according to claim 8, wherein: It also includes a wire protection sleeve, which is arranged outside the folding box and fixedly connected to the wire outlet hole of the folding box. Each wire harness is arranged in the wire protection sleeve.

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