Waterproof MMCX connector structure

By installing a telescopic cylinder on the left end of the male head of the MMCX connector and using a combination of spring and waterproof pads, the problem of poor waterproofing effect of existing MMCX connectors is solved, achieving better sealing and waterproofing effect.

CN223039229UActive Publication Date: 2025-06-27俞懋峰
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Patent Information

Application Number
CN202421976364.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-06-27
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

Existing MMCX connectors are susceptible to rainwater during use, resulting in damage and poor waterproofing.

Method used

A waterproof MMCX connector structure is designed to reduce installation gaps and improve sealing by installing a telescopic cylinder on the left end of the male connector head and using a combination of spring and waterproof pads.

Benefits of technology

It effectively reduces the installation gap between the male and female connectors, makes them more sealed, achieves waterproofing, and avoids damage caused by rainwater wet.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waterproof MMCX connector structure, comprising a connector male head and a connector female head, the right side surface of the connector male head is provided with a transmission joint, the outer surface of the transmission joint is sleeved with a contact plug, and the connector male head is internally provided with a groove. According to the device, through the telescopic cylinder at the left end of the connector male head, when the connector male head and the connector female head are installed, the telescopic cylinder extends into the connector female head, and through the arranged spring, the telescopic cylinder and the interior of the connector female head can be supported; according to the utility model, two groups of waterproof pads are arranged to cooperate with each other, so that the waterproof effect of the device is better, and the device effectively solves the problems that the existing device is easy to get wet by rainwater when in use, and the use is inconvenient. And the problem that the MMCX connector of the earphone is damaged due to poor waterproof effect is solved.
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Description

Technical Field

[0001] The utility model relates to the field of MMCX connectors, in particular to a waterproof MMCX connector structure. Background Art

[0002] The MMCX connector is a coaxial radio frequency connector that uses an insertion and clamping connection method and is widely used in the antenna interfaces of wireless PC cards in personal computers, the GPS communication antenna sockets of PDAs and GPS navigation devices, and a part of in-ear headphones for replacing data cables.

[0003] Chinese Patent with the publication number CN202917789U discloses an MMCX connector installation structure that uses a fastening screw to press and fix the connector in the vertical plane, simplifies the installation operation, and solves the interference problem between the connection fastening nut and the circuit board. This installation structure uses a fastening screw to directly fix it on the box body in the direction perpendicular to the connector. The MMCX connector selects a model with an assembly lock structure, and through holes are drilled on the box body according to the positions of the circuit board pads. However, there are still some deficiencies in the existing devices. Most of the existing MMCX connectors are installed and applied in headphones, and during the use of headphones, they are easily wetted by rain, resulting in damage to the MMCX connectors of the headphones. For this reason, we propose a waterproof MMCX connector structure to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a waterproof MMCX connector structure to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A waterproof MMCX connector structure includes a male connector and a female connector. A transmission joint is provided on the right side surface of the male connector. A contact plug is sleeved on the outer surface of the transmission joint. A groove is opened inside the male connector. A spring is installed inside the groove. The right side surface of the spring is fixedly connected to a moving plate. The right side surface of the moving plate is fixedly connected to a telescopic cylinder. The right end of the telescopic cylinder penetrates through the groove and extends to the outside of the male connector. A transmission line is installed on the left side surface of the male connector. The right side surface of the male connector is fixedly connected to a sleeve.

[0007] In a further embodiment, a first left waterproof pad is pasted on the right end of the telescopic cylinder, and a first right waterproof pad is pasted on the inner wall of the female connector. The right side surface of the first left waterproof pad is in contact with the left side surface of the first right waterproof pad.

[0008] In a further embodiment, a second right waterproof pad is pasted on the right side surface of the male connector, a second left waterproof pad is pasted on the left side surface of the female connector, and the left side surface of the second right waterproof pad is in contact with the right side surface of the second left waterproof pad.

[0009] In a further embodiment, a plurality of sliding grooves are formed in the inner wall of the groove, a plurality of sliding blocks are fixedly connected to the outer surface of the moving plate, and each sliding groove is adapted to the sliding block.

[0010] In a further embodiment, a stop block is fixedly connected to the left end of the male connector, a fixing sleeve is fixedly connected to the outer surface of the male connector, and a threaded convex block is fixedly connected to the outer surface of the fixing sleeve.

[0011] In a further embodiment, a fixing plate is fixedly connected to the right end of the female connector, and two fixing holes are formed in the outer surface of the fixing plate.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] For a waterproof MMCX connector structure of the present utility model, by installing a telescopic cylinder at the left end of the male connector, when the male connector and the female connector are installed, the telescopic cylinder can be inserted into the interior of the female connector, and through the provided spring, the telescopic cylinder can be supported inside the female connector, thereby reducing the installation gap between the male connector and the female connector, making it more sealed and achieving a waterproof effect. Moreover, through the mutual cooperation of the provided two groups of waterproof pads, the waterproof effect of the device can be better. Therefore, through this device, the problem that the existing device is easily wetted by rainwater and the MMCX connector of the earphone is damaged due to poor waterproof effect during use is effectively solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic diagram of a waterproof MMCX connector structure.

[0015] Figure 2 It is a front cross-sectional structure schematic diagram of a waterproof MMCX connector structure.

[0016] Figure 3 It is a side cross-sectional structure schematic diagram of a waterproof MMCX connector structure.

[0017] Figure 4 It is a side view structure schematic diagram of the male connector in a waterproof MMCX connector structure.

[0018] In the figure: 1. Male connector; 2. Threaded bump; 3. Stop block; 4. Transmission line; 5. Fixed sleeve; 6. Sleeve; 7. Second right waterproof pad; 8. Fixed hole; 9. Fixed plate; 10. Telescopic cylinder; 11. Female connector; 12. Groove; 13. Spring; 14. Second left waterproof pad; 15. Transmission joint; 16. First right waterproof pad; 17. Contact plug; 18. Moving plate; 19. Chute; 20. Slide block; 21. First left waterproof pad. Detailed implementation manner

[0019] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0020] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-4, in the present utility model, a waterproof MMCX connector structure includes a male connector 1 and a female connector 11. A transmission joint 15 is provided on the right side surface of the male connector 1. A contact plug 17 is sleeved on the outer surface of the transmission joint 15. A groove 12 is formed inside the male connector 1. A spring 13 is installed inside the groove 12. A moving plate 18 is fixedly connected to the right side surface of the spring 13. A telescopic cylinder 10 is fixedly connected to the right side surface of the moving plate 18. The right end of the telescopic cylinder 10 penetrates through the groove 12 and extends to the outside of the male connector 1. A transmission line 4 is installed on the left side surface of the male connector 1. A sleeve 6 is fixedly connected to the right side surface of the male connector 1. By installing a telescopic cylinder 10 at the left end of the male connector 1, when the male connector 1 and the female connector 11 are installed, the telescopic cylinder 10 can be inserted into the inside of the female connector 11. And through the provided spring 13, the telescopic cylinder 10 can be supported inside the female connector 11, thereby reducing the installation gap between the male connector 1 and the female connector 11, making it more sealed and achieving the waterproof effect.

[0023] A first left waterproof pad 21 is pasted on the right end of the telescopic cylinder 10. A first right waterproof pad 16 is pasted on the inner wall of the female connector 11. The right side surface of the first left waterproof pad 21 is in contact with the left side surface of the first right waterproof pad 16. A second right waterproof pad 7 is pasted on the right side surface of the male connector 1. A second left waterproof pad 14 is pasted on the left side surface of the female connector 11. The left side surface of the second right waterproof pad 7 is in contact with the right side surface of the second left waterproof pad 14. Through the mutual cooperation of the provided two groups of waterproof pads, the waterproof effect of the device can be better.

[0024] A plurality of sliding grooves 19 are formed on the inner wall of the groove 12. A plurality of sliding blocks 20 are fixedly connected to the outer surface of the moving plate 18. Each sliding groove 19 is adapted to the sliding block 20, which can make the telescopic cylinder 10 extend and retract more smoothly. A stop block 3 is fixedly connected to the left end of the male connector 1. A fixing sleeve 5 is fixedly connected to the outer surface of the male connector 1. A threaded convex block 2 is fixedly connected to the outer surface of the fixing sleeve 5. A fixing plate 9 is fixedly connected to the right end of the female connector 11. Two fixing holes 8 are formed on the outer surface of the fixing plate 9, which is convenient for installing and fixing the device.

[0025] The working principle of the present utility model is:

[0026] When the waterproof MMCX connector structure is in use, first, the female connector 11 in the device is electrically connected to an electrical component. Then, through the provided fixing plate 9 and fixing holes 8, the female connector 11 is installed and fixed. Then, the male connector 1 is installed and connected to the transmission line 4, and the telescopic cylinder 10 in the male connector 1 is inserted into the female connector 11. Under the action of the groove 12, the male connector 1 and the female connector 11 are connected, enabling the device to be used normally.

[0027] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0028] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A waterproof MMCX connector structure, characterized in that: The invention comprises a male connector (1) and a female connector (11), wherein a transmission connector (15) is provided on the right side of the male connector (1), and a contact plug (17) is sleeved on the outer surface of the transmission connector (15). A groove (12) is provided inside the male connector (1), and a spring (13) is installed inside the groove (12). A movable plate (18) is fixedly connected to the right side of the spring (13), and a telescopic cylinder (10) is fixedly connected to the right side of the movable plate (18). The right end of the telescopic cylinder (10) passes through the groove (12) and extends to the outside of the male connector (1). A transmission line (4) is installed on the left side of the male connector (1), and a sleeve (6) is fixedly connected to the right side of the male connector (1).

2. A waterproof MMCX connector structure according to claim 1, characterized in that: A first left waterproof pad (21) is adhered to the right end of the telescopic cylinder (10), a first right waterproof pad (16) is adhered to the inner wall of the connector female head (11), and the right side surface of the first left waterproof pad (21) is in contact with the left side surface of the first right waterproof pad (16).

3. A waterproof MMCX connector structure according to claim 1, characterized in that: A second right waterproof pad (7) is adhered to the right side of the connector male head (1), and a second left waterproof pad (14) is adhered to the left side of the connector female head (11), and the left side of the second right waterproof pad (7) is in contact with the right side of the second left waterproof pad (14).

4. A waterproof MMCX connector structure according to claim 1, characterized in that: The inner wall of the groove (12) is provided with a plurality of slide grooves (19), the outer surface of the movable plate (18) is fixedly connected with a plurality of sliders (20), and each slide groove (19) is adapted to the slider (20).

5. A waterproof MMCX connector structure according to claim 1, characterized in that: The left end of the connector male head (1) is fixedly connected to a stopper (3), the outer surface of the connector male head (1) is fixedly connected to a fixing sleeve (5), and the outer surface of the fixing sleeve (5) is fixedly connected to a threaded protrusion (2).

6. A waterproof MMCX connector structure according to claim 1, characterized in that: The right end of the connector female head (11) is fixedly connected to a fixing plate (9), and the outer surface of the fixing plate (9) is provided with two fixing holes (8).

Citation Information

Patent Citations

  • MMCX connector installation structure

    CN202917789U