USB connector

By employing a partition design in the USB connector, including horizontal and vertical partitions, the problem of lack of dust protection after USB interface potting is solved, achieving dust and moisture protection as well as stable plugging and unplugging.

CN223797614UActive Publication Date: 2026-01-13NINGBO XINTAI ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202520134901.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-13
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

After the existing USB connectors are potted, the USB interfaces inside the mounting slots lack dust protection, which may cause dust to enter the interfaces and lead to poor contact.

Method used

The design employs a partition plate, which includes a horizontal plate and a vertical plate. The vertical plate divides the mounting slot into a potting cavity and a receiving cavity. The vertical plate and the housing form a sealed cavity to prevent the colloid from entering the receiving cavity. The horizontal plate covers the receiving cavity to prevent dust from entering. Combined with a limiting protrusion and a dust cover, the USB interface is secured.

Benefits of technology

The potting process achieves dust and moisture protection for the circuit board, reduces the impact of dust on the USB interface, and ensures plug-in stability and dust protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a USB connector, and relates to the technical field of USB equipment. The USB connector comprises a shell and a circuit board, an installation groove is defined by the shell, the circuit board is installed in the installation groove, a partition plate used for isolating a USB interface is arranged in the installation groove, the partition plate comprises a transverse plate and a vertical plate which are fixedly connected, and the transverse plate and the vertical plate are fixedly connected. The vertical plate divides the mounting groove into a potting cavity for potting glue and an accommodating cavity for mounting the USB interface, and the transverse plate covers the accommodating cavity to prevent dust from entering the accommodating cavity. The USB interface has a good dustproof effect, and the fixing effect of the USB interface is good.
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Description

Technical Field

[0001] This application relates to the field of USB device technology, and in particular to a USB connector. Background Technology

[0002] A USB connector is a type of connector used for serial communication. It boasts advantages such as high transmission speed, simple power supply, convenient installation and configuration, and good compatibility, making it widely used. During the manufacturing process of USB connectors, potting is performed after the circuit board is installed to prevent moisture, dust, or external damage to the circuit components. During potting, a separator plate is typically used to form a sealed cavity and prevent the potting compound from flowing into the USB interface. The applicant's prior application, Chinese invention disclosure CN220984941U, discloses a USB connector comprising a fixedly connected circuit board and a mounting shell. The circuit board includes a fixedly connected plug-in portion and a connecting portion. A fixing plate is mounted on the mounting shell to separate the plug-in portion and the connecting portion. The fixing plate and the housing of the mounting shell form a sealed cavity, thereby preventing the potting compound from flowing out of the mounting shell.

[0003] However, there are some problems with using a partition to separate the USB interface from the potting cavity. The partition separates the USB interface from the potting cavity, and the potting cavity can be sealed and dustproof after potting. However, the chamber where the USB interface is located in the mounting slot does not have dustproof measures, which may cause dust to enter the USB interface and cause poor contact at the interface. Utility Model Content

[0004] To address the lack of dust protection for USB interfaces within the mounting slot, this application provides a USB connector.

[0005] The USB connector provided in this application adopts the following technical solution:

[0006] A USB connector includes a housing and a circuit board, the housing forming a mounting groove, the circuit board being mounted within the mounting groove, and the mounting groove having a partition plate for isolating the USB interface. The partition plate comprises a horizontal plate and a vertical plate, the vertical plate dividing the mounting groove into a potting cavity for applying adhesive and a receiving cavity for mounting the USB interface, and the horizontal plate covering the receiving cavity to prevent dust from entering the receiving cavity.

[0007] By adopting the above technical solution, the separator includes a horizontal plate and a vertical plate. The vertical plate separates the potting cavity from the receiving cavity, and the vertical plate and the housing form a sealed cavity to facilitate potting. During potting, the vertical plate prevents the adhesive from entering the receiving cavity, thereby preventing the adhesive from flowing out of the USB interface. The circuit board after potting is dustproof and moisture-proof. The horizontal plate covers the receiving cavity to prevent dust from entering the receiving cavity, thereby reducing the impact of dust on the use of the USB interface.

[0008] Preferably, the vertical plate has a first limiting protrusion on the side facing the USB interface, the first limiting protrusion being used to restrict the movement of the USB interface toward the vertical plate.

[0009] Preferably, the side of the horizontal plate facing the USB interface is provided with a second limiting protrusion, which is used to restrict the movement of the USB interface toward the horizontal plate.

[0010] Preferably, the groove walls on both sides of the mounting groove are provided with slots, and the two sides of the vertical plate are slidably inserted into the slots, with the side of the vertical plate near the bottom of the mounting groove abutting against the circuit board.

[0011] Preferably, the two sides of the horizontal plate abut against the groove walls on both sides of the mounting groove, and the side of the horizontal plate away from the vertical plate abuts against the groove wall on one side of the mounting groove. The groove wall of the mounting groove that the horizontal plate abuts against is the groove wall of the mounting groove on the side where the USB interface is located.

[0012] Preferably, a socket for the USB interface to communicate with the outside is provided on one side of the groove wall of the mounting groove.

[0013] Preferably, the partition plate further includes a top plate, which is fixedly connected to the horizontal plate and is fitted into the groove wall of the mounting slot on the side where the USB interface is located.

[0014] Preferably, the housing has a dust cover that covers the USB interface.

[0015] Preferably, the dust cover includes an inner cover and an outer cover that are fixedly connected, the inner cover passing through the housing on one side of the insertion hole, and the housing on the other side of the insertion hole being sandwiched between the inner cover and the outer cover.

[0016] Preferably, the housing on one side of the insertion hole has a retaining buckle, and the inner cover has a retaining groove for inserting the retaining buckle.

[0017] In summary, this application includes at least one of the following beneficial technical effects:

[0018] It has a good dustproof effect. The circuit board located in the potting cavity after potting can be dustproof and moistureproof. The horizontal plate covers the cavity to prevent dust from entering the cavity and reduce the impact of dust on the use of the USB interface. The USB interface has a dust cover that can block dust from the outside of the USB interface.

[0019] The USB interface is difficult to shake when plugging or unplugging. There are limiting protrusions on both the horizontal and vertical plates, which can prevent the USB interface from moving to the horizontal or vertical plate during plugging or unplugging. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the USB connector in an embodiment of this application.

[0021] Figure 2 This is a cross-sectional view of the USB connector in an embodiment of this application.

[0022] Figure 3 This is an exploded view of the USB connector in an embodiment of this application.

[0023] Figure 4 This is a cross-sectional view of the USB connector from another perspective in the embodiments of this application.

[0024] Figure 5 This is a schematic diagram of the partition plate of the USB connector in an embodiment of this application.

[0025] Figure 6 This is a three-dimensional structural diagram of a USB connector according to another embodiment of this application.

[0026] Figure 7 This is an exploded view of a USB connector according to another embodiment of this application.

[0027] Figure 8 This is another exploded view of the USB connector in the embodiments of this application.

[0028] Figure 9 This is a three-dimensional structural diagram of a USB connector according to another embodiment of this application.

[0029] Figure 10 This is an exploded view of a USB connector according to another embodiment of this application.

[0030] Figure 11 These are schematic diagrams of different forms of USB connector interfaces in the embodiments of this application.

[0031] Explanation of reference numerals in the attached drawings: 1. Housing; 2. Circuit board; 3. Insertion part; 11. Mounting groove; 4. Partition plate; 41. Horizontal plate; 42. Vertical plate; 111. Encapsulation cavity; 112. Receiving cavity; 12. Slot; 421. First limiting protrusion; 411. Second limiting protrusion; 412. Vertical part; 13. Connecting plate; 131. Insertion hole; 5. Dust cover; 51. Buckle; 52. Hand grip; 14. Connecting seat; 43. Top plate; 53. Inner cover; 54. Outer cover; 132. Fixing buckle; 531. Fixing groove. Detailed Implementation

[0032] The following is in conjunction with the appendix Figure 1-11 This application will be described in further detail.

[0033] This application discloses a USB connector. (See also...) Figure 1 and Figure 2The USB connector includes a housing 1, a circuit board 2, and a plug portion 3. The housing 1 forms a mounting groove 11, the circuit board 2 is mounted within the mounting groove 11, and the plug portion 3 is mounted on the circuit board 2. One end of the plug portion 3 passes through one side of the housing 1 and communicates with the outside. The plug portion 3 can be a USB interface for connecting external devices. The mounting groove 11 has a partition plate 4 to isolate the plug portion 3. One side of the partition plate 4 divides the mounting groove 11 into two chambers. The plug portion 3 is located in one chamber, and the other chamber is a sealed chamber for potting adhesive. The partition plate 4 prevents adhesive from flowing from the potting chamber into the chamber where the plug portion 3 is located. The other side of the partition plate 4 covers the chamber where the plug portion 3 is located to prevent dust intrusion, thereby reducing the impact of dust on the use of the plug portion 3.

[0034] Reference Figure 2 and Figure 3 In one embodiment, the partition plate 4 includes a horizontal plate 41 and a vertical plate 42 fixedly connected. The portion that divides the mounting groove 11 into two chambers is the vertical plate 42, and the portion that covers the chamber where the insertion part 3 is located is the horizontal plate 41. The vertical plate 42 divides the mounting groove 11 into a potting cavity 111 and a receiving cavity 112. The potting cavity 111 is used for potting adhesive, and the insertion part 3 is located in the receiving cavity 112. The vertical plate 42 can prevent adhesive from flowing from the potting cavity 111 into the receiving cavity 112.

[0035] Reference Figure 3 and Figure 4 The vertical plate 42 is fixedly positioned within the mounting groove 11. The mounting groove 11 has slots 12 on both sides of its side walls. The vertical plate 42 slides towards the circuit board 2 and inserts into the slots 12 until the side of the vertical plate 42 closest to the bottom of the mounting groove 11 abuts against the circuit board 2. One embodiment of the slots 12 is that two protrusions are provided on the side walls of the mounting groove 11, forming a slot 12 between the two protrusions. The two protrusions respectively confine one side of the vertical plate 42 within the slot 12.

[0036] Reference Figure 4 and Figure 5 The vertical plate 42 has a first limiting protrusion 421, which is located on the side of the vertical plate 42 facing the plug-in part 3. When the external device is inserted into the plug-in part 3, the plug-in part 3 tends to move towards the vertical plate 42. When the plug-in part 3 moves slightly, the first limiting protrusion 421 abuts against the plug-in part 3 to prevent further movement of the plug-in part 3.

[0037] The horizontal plate 41 has a second limiting protrusion 411, which is located on the side of the horizontal plate 41 facing the plug-in portion 3. When the external device is pulled out of the plug-in portion 3, the plug-in portion 3 may have a tendency to move towards the horizontal plate 41. When the plug-in portion 3 moves slightly, the second limiting protrusion 411 abuts against the plug-in portion 3 to prevent further movement of the plug-in portion 3.

[0038] One embodiment of the fixed connection between the horizontal plate 41 and the vertical plate 42 is that the horizontal plate 41 and the vertical plate 42 are integrally connected. To achieve a better fixing effect, the two sides of the horizontal plate 41 abut against the groove walls on both sides of the mounting groove 11, and the side of the horizontal plate 41 away from the vertical plate 42 abuts against the groove wall on the side of the mounting groove 11. The groove wall of the mounting groove 11 that the horizontal plate 41 abuts against is the groove wall of the mounting groove 11 through which the insertion part 3 passes.

[0039] Reference Figure 6 and Figure 7 In another embodiment, the vertical plate 42 is constructed as part of the circuit board 2. The vertical plate 42 is integrally connected to the circuit board 2 and the plug-in part 3 at the bottom of the mounting groove 11. The vertical plate 42 abuts against the horizontal plate 41. The horizontal plate 41 has vertical parts 412 on both sides. The vertical parts 412 slide into the slot 12 to fix the horizontal plate 41 relatively.

[0040] Reference Figure 3 and Figure 8 The housing 1 includes a connecting plate 13 with a through hole 131. One end of the insertion part 3 is located in the through hole 131, and the insertion part 3 is connected to the outside through the through hole 131. The side of the horizontal plate 41 away from the vertical plate 42 abuts against the connecting plate 13. A dust cover 5 is covered on the connecting plate 13 to cover the insertion part 3 and prevent dust from entering the insertion part 3 from the outside. Specifically, the dust cover 5 has a buckle 51, and the connecting plate 13 has a through hole for inserting the buckle 51. In addition, the dust cover 5 has a pinch part 52 for easy opening of the dust cover 5.

[0041] The housing 1 has a connector 14, which is preferably located on the housing 1 opposite to the connector plate 13. The connector 14 can be used to connect a power cord. A connecting wire passes through the connector 14 and is wrapped around the connector 14. The connecting wire and the connector 14 are tightly fitted together, making it difficult for the adhesive to overflow from the connector 14 during potting.

[0042] Reference Figure 4 and Figure 8 The mounting groove 11 has a raised strip on its bottom. The circuit board 2 is placed on the raised strip, forming a cavity between the circuit board 2 and the bottom of the mounting groove 11. There is a gap between the circuit board 2 and the wall of the mounting groove 11. During potting, glue is first used to seal the gap between the circuit board 2 and the raised strip forming the slot 12, as well as the gap between the vertical plate 42 and the circuit board 2. In this way, the glue is difficult to flow into the receiving cavity 112 through the gap between the circuit board 2 and the raised strip forming the slot 12, and the gap between the vertical plate 42 and the circuit board 2. Then, the glue is injected into the potting cavity 111. The glue flows into the cavity through the gaps between the sides of the circuit board 2 and the housing 1. After the cavity is filled with glue, the circuit board 2 in the potting cavity 111 is also potted.

[0043] Reference Figure 9 and Figure 10 In another embodiment, the partition plate 4 further includes a top plate 43, which is fixedly connected to the horizontal plate 41. Preferably, the top plate 43 and the horizontal plate 41 are integrally formed, and a reinforcing plate is provided at the connection point of the top plate 43 and the horizontal plate 41 to enhance the connection strength. To further strengthen the fixation between the partition plate 4 and the housing 1, the top plate 43 is snapped into the side wall of the connecting plate 13 facing the mounting groove 11. In addition, the dust cover 5 includes an inner cover 53 and an outer cover 54. One end of the inner cover 53, through which the USB connector passes, abuts against the side of the connecting plate 13 facing the mounting groove 11, and the outer cover 54 abuts against the side of the connecting plate 13 away from the mounting groove 11. In a preferred embodiment, the inner cover 53 and the outer cover 54 are fixedly connected by a connecting buckle. The connecting plate 13 is sandwiched between the inner cover 53 and the outer cover 54, and the top plate 43 abuts against the inner cover 53 on the side facing the mounting groove 11. The top plate 43 is restricted between the connecting plate 13 and the inner cover 53, thereby achieving further fixation of the partition plate 4.

[0044] Accordingly, the connecting plate 13 is provided with a fixing buckle 132, and the inner cover 53 has a fixing groove 531 for the fixing buckle 132 to be inserted. The fixing buckle 132 is used to restrict the movement of the dust cover 5. In a preferred embodiment, four fixing buckles 132 are provided at the four corners of the connecting plate 13. The way in which the four fixing buckles 132 are engaged with the fixing groove 531 is more stable.

[0045] Reference Figure 11 The connector 3 can be configured in various forms, including combinations of different types of interfaces, so as to adapt to different types of plugs.

[0046] The implementation principle of a USB connector according to an embodiment of this application is as follows: The two sides of the vertical plate 42 are inserted into the slots 12 and fixed relative to each other. The side of the vertical plate 42 near the bottom of the mounting slot 11 abuts against the circuit board 2. The vertical plate 42 and the housing 1 form a relatively sealed potting cavity 111. During potting, the adhesive is injected into the potting cavity 111, and the vertical plate 42 prevents the adhesive from entering the receiving cavity 112 from the potting cavity 111. The two sides of the horizontal plate 41 abut against the walls of the mounting slot 11 on both sides. The side of the horizontal plate 41 away from the vertical plate 42 abuts against the connecting plate 13 to fix the horizontal plate 41 relatively. The horizontal plate 41 covers the receiving cavity 112 to prevent dust from entering the receiving cavity 112. The dust cover 5 prevents dust from entering the plug-in part 3 from the socket 131. During insertion and removal, the first limiting protrusion 421 restricts the movement of the plug-in part 3 towards the vertical plate 42, and the second limiting protrusion 411 restricts the movement of the plug-in part 3 towards the horizontal plate 41, thus fixing the plug-in part 3 relatively.

[0047] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A USB connector comprising a housing (1) and a circuit board (2), the housing (1) enclosing a mounting slot (11), the circuit board (2) being mounted in the mounting slot (11), the mounting slot (11) having a partition (4) therein to isolate a USB interface, characterized in that: The partition plate (4) comprises a horizontal plate (41) and a vertical plate (42), the vertical plate (42) separates the mounting groove (11) into a pouring cavity (111) for pouring glue and a containing cavity (112) for mounting the USB interface, and the horizontal plate (41) covers the containing cavity (112) to prevent dust from entering the containing cavity (112).

2. The USB connector of claim 1, wherein: The vertical plate (42) is provided with a first limiting protrusion (421) on the side facing the USB interface, and the first limiting protrusion (421) is used to limit the movement of the USB interface towards the vertical plate (42).

3. The USB connector of claim 1, wherein: The horizontal plate (41) is provided with a second limiting protrusion (411) on the side facing the USB interface, and the second limiting protrusion (411) is used to limit the movement of the USB interface towards the horizontal plate (41).

4. The USB connector of claim 1, wherein: The groove walls on both sides of the mounting groove (11) are provided with clamping grooves (12), and the vertical plate (42) is respectively inserted into the clamping grooves (12) on both sides, and one side of the vertical plate (42) close to the groove bottom of the mounting groove (11) abuts against the circuit board (2).

5. The USB connector of claim 1, wherein: The horizontal plate (41) abuts against the groove walls on both sides of the mounting groove (11), and one side of the horizontal plate (41) away from the vertical plate (42) abuts against the groove wall on one side of the mounting groove (11), and the groove wall abutted by the horizontal plate (41) is the groove wall on the side where the USB interface is located.

6. The USB connector of claim 1, wherein: The groove wall on one side of the mounting groove (11) is provided with a jack (131) for the USB interface to communicate with the outside.

7. The USB connector of claim 1, wherein: The partition plate (4) further comprises a top plate (43) fixedly connected to the horizontal plate (41), and the top plate (43) is clamped to the groove wall of the mounting groove (11) on the side where the USB interface is located.

8. The USB connector of claim 1, wherein: The shell (1) is provided with a dust cover (5) covering the USB interface.

9. The USB connector of claim 8, wherein: The dust cover (5) comprises an inner cover (53) and an outer cover (54) fixedly connected, the inner cover (53) is provided on the side of the shell (1) provided with the USB interface, and the side of the shell (1) provided with the USB interface is clamped between the inner cover (53) and the outer cover (54).

10. The USB connector of claim 9, wherein: The side of the shell (1) provided with the USB interface is provided with a fixed buckle (132), and the inner cover (53) is provided with a fixed groove (531) for inserting the fixed buckle (132).

Citation Information

Patent Citations

  • A USB connector

    CN220984941U