Waterproof connection structure of multi-interface data recorder
By setting protective rings and connecting rings at the interfaces of the multi-interface data logger, a sealed connection of the interfaces is achieved, which solves the problem of insufficient waterproof protection of the interfaces in the existing technology, ensures the waterproof performance of the equipment, and prevents water from entering and affecting the circuits and components.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KEAISI (SHENZHEN) TECHNOLOGY CO LTD
- Filing Date
- 2025-06-16
- Publication Date
- 2026-05-19
AI Technical Summary
Existing technologies cannot provide effective waterproof protection for the interfaces of multi-interface data loggers, which may allow moisture to enter the device and affect the lifespan of circuits and components.
Protective rings are installed at each interface of the data logger, and the interfaces are sealed by components such as connecting rings, ball bearings and push rings. Laser welding is used to form a seamless connection to ensure that the interfaces are isolated from the outside world.
It effectively prevents moisture from entering the interface, avoids short circuits and component damage, and ensures the continuity and accuracy of data recording.
Smart Images

Figure CN224264346U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of waterproof technology for data logger interfaces, and in particular to a waterproof connection structure for a multi-interface data logger. Background Technology
[0002] A multi-interface data logger is a versatile data acquisition and storage device. Its core function is to integrate multiple types of interfaces to achieve compatible acquisition, processing, and long-term storage of signals from different sources. Multi-interface data loggers are typically used in outdoor or industrial environments where moisture, rain, or other liquids may be present. Therefore, a waterproof connection structure is urgently needed to prevent moisture from entering the device, avoiding short circuits or component damage, thereby ensuring the continuity and accuracy of data recording.
[0003] Utility model disclosure CN213847293U discloses a waterproof structure for a recorder that saves lateral width space. The structure includes a front housing and a bottom housing. The front housing has a battery mounting cavity inside, and fixing recesses on both sides. Screw posts with threaded ends are located at all four ends of the front housing. The bottom housing has fixing protrusions on both sides and control buttons on both sides. The bottom housing has a display screen mounting cavity on its inner side, and countersunk screw posts with recessed ends at all four ends. The front and bottom housings are fixed together by the fixing protrusions of the fixing recesses and the engagement of the screw posts with their countersunk ends. This design, with the recesses and protrusions forming a connection mechanism with the front and bottom housings, saves lateral width space while meeting the waterproof requirements of the product, greatly improving practicality.
[0004] The structure disclosed in the above-mentioned utility model can only provide waterproofing for the recorder body, but it is difficult to protect the interfaces of multi-interface data recorders. Utility Model Content
[0005] The purpose of this utility model is to provide a waterproof connection structure for a multi-interface data logger, so as to solve the problem mentioned in the background art of difficulty in protecting the interfaces of a multi-interface data logger.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a waterproof connection structure for a multi-interface data logger, comprising a logger body, a plurality of interfaces on the logger body, a protective ring at each of the interfaces, the protective rings being connected to the logger body, a connecting ring being inserted inside the protective ring, a connector being provided inside the connecting ring, the connector being adapted to the interface, a plurality of balls being arranged circumferentially between the connecting ring and the corresponding protective ring, a push ring being elastically connected to the outer side of the protective ring, a pressure ring being provided on the inner curved surface of the push ring, the pressure ring being on the same plane as the balls, and a contact ring being connected to the inner curved surface of the protective ring, the contact ring being able to coincide with the end face of the connecting ring.
[0007] Preferably, the connecting ring has an isolation component inside, and the wiring at the connector is located inside the isolation component.
[0008] Preferably, a sealing gasket is provided on the side wall of the contact ring near the connecting ring.
[0009] Preferably, the protective ring has several receiving cavities, which penetrate the wall of the protective ring, and the ball bearings are adapted to move within the receiving cavities.
[0010] Preferably, a receiving groove is formed on the outer wall surface of the connecting ring, and the length of the opening of the receiving groove is less than the diameter of the ball.
[0011] Preferably, a limiting ring is provided on the side of the protective ring away from the recorder body, and a limiting groove is provided on the side of the push ring away from the recorder body, so that the limiting ring can be engaged in the limiting groove.
[0012] Preferably, the housing connection of the recorder body, as well as the connection between the recorder body and each protective ring, are formed by laser welding to create a seamless connection.
[0013] The beneficial effects of this utility model are:
[0014] In this invention, protective rings are set on each interface of the data logger, and the connector is placed inside the connecting ring. The connection between the connector and the interface is achieved by inserting the connecting ring into the protective ring. The locking relationship between the connecting ring and the protective ring is controlled by the push ring, which achieves effective sealing at each interface of the data logger and avoids the situation where moisture seeps in and affects the service life of electronic components. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of a waterproof connection structure for a multi-interface data logger proposed in this utility model;
[0016] Figure 2 This is a schematic diagram of the connection structure of a waterproof connection structure for a multi-interface data logger proposed in this utility model;
[0017] Figure 3 This is a side cross-sectional view of a waterproof connection structure for a multi-interface data logger proposed in this utility model.
[0018] Figure 4 This is an enlarged structural diagram of point A of a waterproof connection structure for a multi-interface data logger proposed in this utility model.
[0019] In the diagram: 1. Recorder body; 2. Interface; 3. Protective ring; 4. Connecting ring; 5. Connector; 6. Ball bearing; 7. Push ring; 8. Pressure ring; 9. Contact ring; 10. Isolator; 11. Sealing gasket; 12. Receiving cavity; 13. Receiving groove; 14. Limiting ring; 15. Limiting groove. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0021] Reference Figure 1-4 A waterproof connection structure for a multi-interface data logger includes a logger body 1, a plurality of interfaces 2 on the logger body 1, a protective ring 3 at each of the interfaces 2, the protective rings 3 being connected to the logger body 1, a connecting ring 4 inserted inside the protective ring 3, a connector 5 inside the connecting ring 4, the connector 5 being adapted to the interface 2, a plurality of ball bearings 6 being arranged circumferentially between the connecting ring 4 and the corresponding protective ring 3, a push ring 7 being elastically connected to the outer side of the protective ring 3, a pressure ring 8 being provided on the inner curved surface of the push ring 7, the pressure ring 8 being on the same plane as the ball bearings 6, and a contact ring 9 being connected to the inner curved surface of the protective ring 3, the contact ring 9 being able to coincide with the end face of the connecting ring 4.
[0022] When using this connection structure, the push ring 7 is pushed towards the recorder body 1, thereby causing the pressure ring 8 mounted on the push ring 7 to move synchronously, preventing the pressure ring 8 from applying pressure to the ball 6. Then, the connecting ring 4 is inserted into the protective ring 3. During the movement of the connecting ring 4, the ball 6 is pushed outward, providing space for it to enter, and causing the contact ring 9 and the connector 5 to move synchronously until the connector 5 is inserted into the interface 2. At this time, the end faces of the contact ring 9 and the connecting ring 4 are in close contact, thus completing the connection between the interface 2 and the connector 5. After that, the push ring 7 is released, and the push ring 7 automatically resets under the action of the elastic force, causing the pressure ring 8 to return to its initial position, thereby continuing to apply pressure to the ball 6, so that the connecting ring 4 is locked onto the protective ring 3, thus achieving the connection between the protective ring 3 and the connecting ring 4. Through the close contact between the contact ring 9 and the connecting ring 4, the interface 2 and the connector 4 are isolated from the outside world, thereby preventing moisture from entering the interface 2 and causing short circuits and component damage, further ensuring the continuity and accuracy of data recording.
[0023] Specifically, in this embodiment, an isolation element 10 is provided inside the connecting ring 4, and the wiring at the connector 5 is located inside the isolation element 10. This seals the connector 5 and the connecting ring 4 with the isolation element 10, preventing moisture from seeping in through the gap between the connector 5 and the connecting ring 4 and affecting the service life of the electronic components.
[0024] Specifically, in this embodiment, a sealing gasket 11 is provided on the side wall of the contact ring 9 near the connecting ring 4, so that when the connecting ring 4 moves, the sealing gasket 11 can contact the end face of the connecting ring 4 before the contact ring 9, thereby further improving the sealing performance between the contact ring 9 and the connecting ring 4.
[0025] Specifically, in this embodiment, the protective ring 3 has a plurality of receiving cavities 12, which penetrate the wall of the protective ring 3, and the ball bearing 6 is movably adapted to the receiving cavity 12, so that the ball bearing 6 can be set on the protective ring 3 through the receiving cavity 12. When the connecting ring 4 is pushed into the protective ring 3, the ball bearing 6 can be pushed to the periphery of the protective ring 3, providing sufficient space for the connecting ring 4 to move.
[0026] Specifically, in this embodiment, a receiving groove 13 is provided on the outer wall surface of the connecting ring 4. The length of the opening of the receiving groove 13 is less than the diameter of the ball 6, so that when the pressure ring 8 applies pressure to the ball 6, a part of the ball 6 can be pushed into the receiving groove 13, thereby achieving the purpose of locking the connecting ring 4 and the protective ring 3 through the connection between the receiving groove 13 and the ball 6.
[0027] Specifically, in this embodiment, a limiting ring 14 is provided on the side of the protective ring 3 away from the recorder body 1, and a limiting groove 15 is provided on the side of the push ring 7 away from the recorder body 1. The limiting ring 14 can be engaged in the limiting groove 15, so that when the push ring 7 is in the elastic reset moving state, its port can contact the limiting ring 14, thereby limiting the moving distance of the push ring 7 by the limiting ring 14, and preventing the push ring 7 from falling off the waterproof connection structure.
[0028] Specifically, in this embodiment, the connection between the housing of the recorder body 1 and the recorder body 1 and each protective ring 3 are formed by laser welding to form a seamless connection, thereby avoiding gaps in the recorder body 1 and the connection between the recorder body 1 and each protective ring 3, preventing moisture from seeping into the recorder through gaps, and providing further protection for the waterproof sealing effect.
[0029] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.
Claims
1. A multi-interface data recorder waterproof connection structure, comprising a recorder body (1), a plurality of interfaces (2) are arranged on the recorder body (1), characterized in that: A protective ring (3) is provided at each of the interfaces (2). The protective rings (3) are connected to the recorder body (1). A connecting ring (4) is inserted into the inside of the protective ring (3). A connector (5) is provided inside the connecting ring (4). The connector (5) is adapted to the interface (2). A number of balls (6) are arranged circumferentially between the connecting ring (4) and the corresponding protective ring (3). A push ring (7) is elastically connected to the outside of the protective ring (3). A pressure ring (8) is provided on the inner curved surface of the push ring (7). The pressure ring (8) and the balls (6) are on the same plane. A contact ring (9) is connected to the inner curved surface of the protective ring (3). The contact ring (9) can coincide with the end face of the connecting ring (4).
2. The waterproof connection structure of a multi-interface data recorder according to claim 1, characterized in that: The connecting ring (4) is provided with an isolation element (10) inside, and the wiring at the connector (5) is located inside the isolation element (10).
3. The waterproof connection structure of a multi-interface data recorder according to claim 1, characterized in that: A sealing gasket (11) is provided on the side wall of the contact ring (9) near the connecting ring (4).
4. The waterproof connection structure of a multi-interface data recorder according to claim 1, characterized in that: The protective ring (3) has several receiving cavities (12) that penetrate the wall of the protective ring (3) and the ball bearing (6) is adapted to move within the receiving cavity (12).
5. The waterproof connection structure of a multi-interface data recorder according to claim 1, characterized in that: The outer wall of the connecting ring (4) is provided with a receiving groove (13), and the length of the opening of the receiving groove (13) is less than the diameter of the ball (6).
6. The waterproof connection structure of a multi-interface data recorder according to claim 1, characterized in that: The protective ring (3) has a limiting ring (14) on the side away from the recorder body (1), and the push ring (7) has a limiting groove (15) on the side away from the recorder body (1), so that the limiting ring (14) can be engaged in the limiting groove (15).
7. The waterproof connection structure of a multi-interface data recorder according to claim 1, characterized in that: The connection between the housing of the recorder body (1) and the recorder body (1) and each protective ring (3) are all connected by laser welding to form a seamless connection.