Plug-in type connector terminal plastic shell

Abstract

The utility model relates to the technical field of terminal connectors, and discloses a plug-in type connector terminal plastic shell, which comprises a first connecting shell and a second connecting shell, and the outer walls of the ends, close to each other, of the first connecting shell and the second connecting shell are arranged to be cylinders. The outer portion of the second connecting shell is movably sleeved with a circular sealing kit, one end of the sealing kit movably extends and covers the two cylinders, the inner wall of the sealing kit is fixedly connected to the outer surfaces of the two cylinders through a fixing structure, and during insertion, the sealing kit can be sleeved with the outer portions of the two cylinders. And the interface part of the first connecting shell and the second connecting shell is sealed, so that the sealing effect of the interface part is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of terminal connectors, in particular to a plug-in connector terminal plastic shell. Background Art

[0002] A connector is a device that connects two active devices and is used to transmit current or signals. The main supporting fields of electrical connectors include transportation, communications, networks, IT, medical care, home appliances, etc. The rapid development of product technology in supporting fields and the rapid growth of their markets have strongly driven the development of connector technology. Existing connectors include plastic shells and terminals arranged in the plastic shells.

[0003] In the prior art, a plug-in connector terminal plastic shell with the authorization publication number CN221407733U includes a first connecting shell and a second connecting shell, a female plug is provided in a sliding connection in the first connecting shell, a jack is provided on the left side wall of the female plug, a male plug is provided in the second connecting shell, and a wiring terminal matching the jack is provided on the right side wall of the male plug, the upper and lower side walls of the second connecting shell are provided with a card block matching the card slot, a first cavity is provided in the two groups of card blocks, and a fixing component is provided in the first cavity. The first connecting shell and the second connecting shell can be spliced ​​and installed by using the card block, the card slot, the mounting hole, the fixing component and the positioning component. Long-term use will not affect the stability of the mounting rod in the mounting hole, thereby ensuring the stability of the card block in the card slot, ensuring the stability of the connection of the plastic shell of the plug-in connector terminal, and facilitating disassembly and assembly.

[0004] In the above technical solution, the sealing effect of the interface of the two terminals is poor when plugged in and fixed, and the above method adopts a method of fixing the two terminals, which is not convenient for production and assembly, which increases the difficulty and cost of equipment production. For this reason, we propose a plug-in connector terminal plastic shell. Utility Model Content

[0005] The utility model provides a plastic shell for a plug-in connector terminal, which solves the technical problem that the sealing effect of the interface between the two terminals is poor when plugged in and fixed, and the above-mentioned method uses a method of fixing the two terminals, which is inconvenient for production and assembly, thus increasing the difficulty and cost of equipment production.

[0006] In order to solve the above technical problems, the utility model provides a plug-in connector terminal plastic shell, including a first connecting shell and a second connecting shell, the outer walls of the ends of the first connecting shell and the second connecting shell close to each other are both set as cylinders, and the outer part of the second connecting shell is movably sleeved with a circular sealing kit, one end of the sealing kit is movably extended and covers the two cylinders, and the inner wall of the sealing kit is fastened to the outer surfaces of the two cylinders by a fixed structure.

[0007] As a further technical solution of the present invention, the fixing structure includes external threads arranged on the outer surfaces of the two cylinders.

[0008] As a further technical solution of the present invention, the fixing structure further includes an internal thread provided on the inner wall of the sealing kit, and the sealing kit is threadedly connected to the external thread via the internal thread.

[0009] As a further technical solution of the present invention, an annular support is fixedly installed on one end of the cylinder located on the first connecting shell away from the second connecting shell, and a sealing groove is provided on the surface of the annular support close to the second connecting shell.

[0010] As a further technical solution of the present invention, a sealing ring of the sealing kit is fixedly installed around the opening portion at one end of the sealing kit close to the annular support member.

[0011] As a further technical solution of the present invention, a sealing ring mounting groove is provided at one end of the cylinder located on the second connecting shell close to the annular support member, a first sealing ring is installed inside the sealing ring mounting groove, and a sealing ring connecting groove for connecting the first sealing ring is provided on one side surface of the cylinder located on the first connecting shell close to the sealing ring mounting groove.

[0012] As a further technical solution of the present invention, an inner support ring protruding inward is fixedly connected to the opening of the inner wall of the sealing kit at one end away from the first connecting shell. Preferably, the inner support ring is close to the side of the cylinder, and the outer wall of the inner support ring is integrally formed with a tool connection structure for connecting a disassembly tool.

[0013] As a further technical solution of the present invention, a plug interface is provided at one end of the first connecting shell close to the second connecting shell, and a plug end is provided at one end of the second connecting shell close to the first connecting shell, and the plug end is movably plugged into the plug interface.

[0014] Compared with related technologies, the plug-in connector terminal plastic shell provided by the present invention has the following beneficial effects:

[0015] 1. A plug-in connector terminal plastic shell. When plugged in, the sealing kit can be sleeved on the outside of the two cylinders to seal the interface between the first connection shell and the second connection shell, thereby improving the sealing effect at the interface.

[0016] 2. A plug-in connector terminal plastic shell, when fixed, by rotating the sealing kit, it moves along the internal thread on the inner wall and the external thread on the outer surface of the two cylinders, which facilitates the assembly and fixation of the equipment, improves the fixation effect of the connection between the first connecting shell and the second connecting shell, and improves the sealing of the interface. By using the sealing kit and the internal and external threads to fix the first and second connecting shells, it can facilitate equipment production and assembly and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a plastic shell for a plug-in connector terminal;

[0018] Figure 2 This is a structural schematic diagram of a first connection shell of a plug-in connector terminal plastic shell;

[0019] Figure 3 This is a structural schematic diagram of a second connection shell of a plug-in connector terminal plastic shell;

[0020] Figure 4 This is a structural schematic diagram of a sealing kit for a plug-in connector terminal plastic shell;

[0021] Figure 5 This is a structural schematic diagram of a sealing kit for a plug-in connector terminal plastic shell from another perspective.

[0022] Numbers in the figure: 1. First connecting shell; 11. Plug interface; 2. Second connecting shell; 21. Plug end; 3. Cylinder; 31. Annular support member; 32. Sealing groove; 33. Sealing ring mounting groove; 34. First sealing ring; 35. Sealing ring connecting groove; 4. External thread; 5. Sealing kit; 51. Tool connection structure; 52. Internal support ring; 53. Sealing kit sealing ring; 6. Internal thread. DETAILED DESCRIPTION

[0023] The following will be combined with the 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.

[0024] Example 1, by Figure 1-5The utility model provides a plug-in connector terminal plastic shell, including a first connecting shell 1 and a second connecting shell 2. The outer walls of the ends of the first connecting shell 1 and the second connecting shell 2 that are close to each other are both set as cylinders 3. The outside of the second connecting shell 2 is movably sleeved with a circular sealing kit 5. One end of the sealing kit 5 is movably extended and covers the two cylinders 3. The inner wall of the sealing kit 5 is fastened to the outer surface of the two cylinders 3 through a fixed structure. When plugging in, the sealing kit 5 can be sleeved on the outside of the two cylinders 3 to seal the interface between the first connecting shell 1 and the second connecting shell 2, thereby improving the sealing effect at the interface.

[0025] In this embodiment, the fixing structure includes external threads 4 provided on the outer surfaces of the two cylindrical bodies 3, and the fixing structure also includes internal threads 6 provided on the inner wall of the sealing kit 5. The sealing kit 5 is threadedly connected to the external threads 4 via the internal threads 6. During fixing, the sealing kit 5 is rotated so that it moves along the internal threads 6 on the inner wall and the external threads 4 on the outer surfaces of the two cylindrical bodies 3. This facilitates the assembly and fixing of the equipment, improves the fixing effect of the connection between the first connecting shell 1 and the second connecting shell 2, and improves the sealing of the interface. By fixing the first connecting shell 1 and the second connecting shell 2 using the sealing kit 5, the internal threads 6, and the external threads 4, it can facilitate equipment production and assembly, and reduce production costs.

[0026] In this embodiment, an annular support member 31 is fixedly installed at one end of the cylinder 3 located on the first connecting shell 1 away from the second connecting shell 2, and a sealing groove 32 is provided on the surface of the annular support member 31 on one side close to the second connecting shell 2. A sealing kit sealing ring 53 is fixedly installed around the opening part at one end of the sealing kit 5 close to the annular support member 31. In the fixed state, the sealing kit sealing ring 53 of the sealing kit 5 is connected to the inside of the sealing groove 32 of the annular support member 31, which can improve the sealing performance of the interface part of the sealing kit 5.

[0027] In this embodiment, a sealing ring mounting groove 33 is provided at one end of the cylinder 3 located on the second connecting shell 2 near the annular support member 31, and a first sealing ring 34 is installed inside the sealing ring mounting groove 33. A sealing ring connecting groove 35 for connecting the first sealing ring 34 is provided on one side surface of the cylinder 3 located on the first connecting shell 1 near the sealing ring mounting groove 33. In a fixed state, the first sealing ring 34 is connected to the inside of the sealing ring connecting groove 35, thereby improving the sealing performance of the connection between the first connecting shell 1 and the second connecting shell 2.

[0028] In this embodiment, an inner support ring 52 protruding inward is fixedly connected to the inner wall opening of the end of the sealing kit 5 away from the first connecting shell 1, and an inner sealing ring is fixedly installed around the inner opening on the side surface of the inner support ring 52 close to the cylinder 3. In the fixed state, the inner sealing ring is connected to the end of the cylinder 3 on the second connecting shell 2 under the support of the inner support ring 52, thereby improving the sealing performance of the sealing kit 5 in the fixed state.

[0029] In this embodiment, the outer wall of the inner support ring 52 is integrally formed with a tool connection structure 51 for connecting a disassembly tool. The tool connection structure 51 is used for connecting tools during the disassembly process.

[0030] In this embodiment, an inserting port 11 is provided at one end of the first connecting shell 1 close to the second connecting shell 2 , and an inserting end 21 is provided at one end of the second connecting shell 2 close to the first connecting shell 1 . The inserting end 21 is movably inserted into the inserting port 11 .

[0031] Working principle:

[0032] During plugging, the sealing kit 5 can be sleeved on the outside of the two cylinders 3 to seal the interface between the first connecting shell 1 and the second connecting shell 2, thereby improving the sealing effect at the interface.

[0033] When fixing, by rotating the sealing kit 5, it moves along the internal thread 6 on the inner wall and the external thread 4 on the outer surface of the two cylinders 3, which facilitates the assembly and fixation of the equipment, improves the fixing effect of the connection between the first connecting shell 1 and the second connecting shell 2, and improves the sealing of the interface. By using the sealing kit 5 and the internal thread 6 and external thread 4 to fix the first connecting shell 1 and the second connecting shell 2, it can facilitate equipment production and assembly and reduce production costs.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A plug-in connector terminal plastic shell, comprising a first connecting shell (1) and a second connecting shell (2), characterized in that: The outer walls of the ends of the first connecting shell (1) and the second connecting shell (2) that are close to each other are both configured as cylinders (3); a circular sealing kit (5) is movably sleeved on the outside of the second connecting shell (2); one end of the sealing kit (5) movably extends and covers the two cylinders (3); the inner wall of the sealing kit (5) is fastened to the outer surfaces of the two cylinders (3) via a fixed structure.

2. The plug-in connector terminal plastic shell according to claim 1, characterized in that: The fixing structure comprises external threads (4) arranged on the outer surfaces of two cylinders (3).

3. The plug-in connector terminal plastic shell according to claim 2, characterized in that: The fixing structure further comprises an internal thread (6) provided on the inner wall of the sealing kit (5), and the sealing kit (5) is threadedly connected to the external thread (4) via the internal thread (6).

4. The plug-in connector terminal plastic shell according to claim 3, characterized in that: An annular support member (31) is fixedly mounted on one end of the cylinder (3) located on the first connecting shell (1) away from the second connecting shell (2), and a sealing groove (32) is provided on a surface of one side of the annular support member (31) close to the second connecting shell (2).

5. The plug-in connector terminal plastic shell according to claim 4, characterized in that: A sealing ring (53) is fixedly mounted on one end of the sealing kit (5) close to the annular support member (31) around the opening.

6. The plug-in connector terminal plastic housing according to claim 5, characterized in that: A sealing ring installation groove (33) is provided on one end of the cylinder (3) located on the second connecting shell (2) near the annular support member (31), a first sealing ring (34) is installed inside the sealing ring installation groove (33), and a sealing ring connecting groove (35) for connecting the first sealing ring (34) is provided on one side surface of the cylinder (3) located on the first connecting shell (1) near the sealing ring installation groove (33).

7. The plug-in connector terminal plastic shell according to claim 6, characterized in that: An inner support ring (52) protruding inward is fixedly connected to an inner wall opening of one end of the sealing kit (5) away from the first connecting shell (1), and an inner sealing ring is fixedly installed around the inner opening on a side surface of the inner support ring (52) close to the cylinder (3).

8. The plug-in connector terminal plastic housing according to claim 7, characterized in that: The outer wall of the inner support ring (52) is integrally formed with a tool connection structure (51) for connecting a disassembly tool.

9. A plastic housing for a plug-in connector terminal according to any one of claims 1 to 8, characterized in that: An inserting port (11) is provided at one end of the first connecting shell (1) close to the second connecting shell (2), and a plugging end (21) is provided at one end of the second connecting shell (2) close to the first connecting shell (1), wherein the plugging end (21) is movably plugged into the inside of the inserting port (11).

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