Miniaturized high-precision unilateral waterproof connector

By designing a miniaturized, high-precision, single-sided waterproof connector with a snap-fit ​​and sealing structure, the problem of water entering the connector's interior is solved, achieving high-precision sealing and waterproofing effects and stability, while also facilitating easy assembly and disassembly.

CN121663268APending Publication Date: 2026-03-13GUANGZHOU ZYE ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-26
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

In existing single-sided connectors, there is a gap between the first and second housings during installation, which may allow water to enter and affect the stability of the electrical connection.

Method used

A miniaturized, high-precision, single-sided waterproof connector was designed. Through the snap-fit ​​structure between the tail sleeve and the cylindrical socket shell, the sealing element and the airbag sealing structure, the sealing and waterproof effect between the tail sleeve and the mounting plate is achieved, and the installation stability is improved by the counterweight arc plate.

Benefits of technology

It effectively prevents water from entering the connector, improves the stability and sealing of electrical connections, facilitates disassembly and maintenance, and enhances the waterproof stability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the field of connectors, and discloses a miniaturized high-precision single-side waterproof connector which comprises a socket end assembly and an external sleeve shell assembly, the socket end assembly comprises a cylindrical socket shell, a mounting plate is mounted in the middle of the cylindrical socket shell, fixing blocks are symmetrically mounted on one side of the mounting plate, arc-shaped clamping grooves are formed in the fixing blocks, and the arc-shaped clamping grooves are formed in the outer sleeve shell assembly. The external sleeve shell assembly comprises a tail sleeve shell, one end of the tail sleeve shell is provided with a wire harness, the wire harness is electrically connected with electrical equipment in the cylindrical socket shell, the cylindrical socket shell is sleeved with the tail sleeve shell, the tail sleeve shell is located between the two fixing blocks, and the outer side of the tail sleeve shell is provided with a rotating clamping piece. After the tail sleeve shell is arranged outside the cylindrical socket shell in a sleeving manner for installation, the rotating ring rotates, so that the two side plates move towards the two fixing blocks respectively, the two arc-shaped clamping blocks are clamped into the two arc-shaped clamping grooves respectively, the cylindrical socket shell and the tail sleeve shell are clamped and fixed conveniently, and disassembly, assembly and maintenance are facilitated.
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Description

Technical Field

[0001] This invention belongs to the field of connectors, specifically a miniaturized, high-precision, single-sided waterproof connector. Background Technology

[0002] A single-sided connector is an electronic connector with unique structural and performance advantages. It refers to a connector that requires only one-sided insertion and removal during connection. Its structure is typically compact. For example, some single-sided contact connector assemblies, such as socket connectors (including socket housings and electrical connection components) and plug connectors (including plug housings and flexible circuit boards), effectively save space and reduce overall size through continuously arranged conductive contact grooves and terminal mating. It generally consists of a first housing containing electronic components and a second housing containing wire harnesses. During installation, the wire harnesses on the second housing are electrically connected to the electronic components in the first housing, and then the second housing is fixedly installed onto the first housing, completing the fixation. However, the following drawbacks still exist: When the two are installed, there is a gap between the first and second housings. During use, water may enter the first housing through the gap between the first and second housings, thereby damaging the electronic components inside the first housing and affecting the stability of the electrical connection. Summary of the Invention

[0003] In view of the above situation and to overcome the defects of the prior art, the present invention provides a miniaturized, high-precision, single-sided waterproof connector, which effectively solves the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a miniaturized high-precision single-sided waterproof connector, comprising a socket end assembly and an outer housing assembly, wherein the socket end assembly comprises a cylindrical socket housing, an mounting plate is installed in the middle of the cylindrical socket housing, and a fixing block is symmetrically installed on one side of the mounting plate, and an arc-shaped slot is provided on the fixing block; The outer housing assembly includes a tail housing, one end of which is fitted with a wiring harness that is electrically connected to electrical equipment inside the cylindrical socket housing. The tail housing is fitted over the outside of the cylindrical socket housing and is located between two fixing blocks. A rotating snap-fit ​​component is installed on the outside of the tail sleeve. When the rotating snap-fit ​​component is engaged with the fixing block, the tail sleeve is fixed to the cylindrical socket housing. An end waterproof component is provided at one end of the tail sleeve near the mounting plate to improve the sealing and waterproof effect between the tail sleeve and the mounting plate. A circumferential waterproof component is provided on the circumferential inner wall of the tail sleeve to improve the sealing and waterproof effect between the tail sleeve and the cylindrical socket housing. The circumferential waterproof component is located on the side of the rotating snap-fit ​​component away from the mounting plate.

[0005] Preferably, the rotating locking component includes a rotating ring rotatably mounted on the outside of the tail sleeve. Two side plates are centrally symmetrically mounted on the outside of the rotating ring. The two side plates are located on the upper and lower sides of the two fixing blocks, respectively. An arc-shaped locking block is installed on the side of the side plate near the fixing block. Two limiting grooves are centrally symmetrically opened on the outer wall of the tail sleeve. Two limiting blocks are centrally symmetrically mounted on the inner side of the rotating ring. The two limiting blocks are slidably mounted in the two limiting grooves, respectively.

[0006] Preferably, the end waterproof component includes an annular inner groove formed inside the tail sleeve. The end of the annular inner groove away from the mounting plate is connected to two limiting grooves. The end of the annular inner groove near the mounting plate is provided with an annular inner groove. One end of the annular inner groove extends to the end of the tail sleeve. An annular plate is movably installed inside the annular inner groove. An annular sealing gasket is installed on the side of the annular plate near the annular inner groove. The annular sealing gasket is located inside the annular through groove, and the end face of the tail sleeve is flush with the end face of the annular sealing gasket.

[0007] Preferably, guide rods are symmetrically installed on the inner wall of the end of the annular inner groove away from the annular through groove, and two guide grooves are symmetrically opened inside the annular plate, with the guide rods located inside the guide grooves.

[0008] Preferably, two pressure-bearing hemispherical blocks are symmetrically installed on the side of the annular plate away from the annular sealing gasket. The ends of the pressure-bearing hemispherical blocks are provided with grooves. The two pressure-bearing hemispherical blocks are respectively located in two limiting grooves, and the limiting blocks in the limiting grooves and the pressure-bearing hemispherical blocks are respectively located at the two ends inside the limiting grooves.

[0009] Preferably, a pressing hemisphere is fixedly installed on the side of the limiting block near the annular inner groove. The diameter of the pressed hemisphere is larger than the diameter of the pressing hemisphere, and the diameter of the pressing hemisphere is larger than the diameter of the groove.

[0010] Preferably, the circumferential waterproof component includes an annular mounting groove formed on the circumferential inner wall of the tail sleeve. The annular mounting groove is located on the side of the rotating ring away from the annular inner groove. An annular airbag is installed inside the annular mounting groove. An annular sealing ring is installed on the inner side of the annular airbag. An air nozzle is installed at the top of the annular airbag.

[0011] Preferably, a top cylinder is fixedly installed at the top of the tail sleeve, a piston plate is movably installed inside the top cylinder, the top of the air nozzle extends into the interior of the top cylinder, and a sealing ring is installed between the air nozzle and the tail sleeve.

[0012] Preferably, a top rod is fixedly installed at the top of the piston plate, a top plate is fixedly installed at the top of the top rod, the top plate is located above the top cylinder, a fixing screw is fixedly installed at the bottom of the top plate, a limiting bracket is fixedly installed on the side of the top cylinder near the rotating ring, a screw cylinder is rotatably installed on the inner side of the limiting bracket, the screw cylinder is threadedly connected to the fixing screw, and a first toothed plate is installed at equal angles in the circumferential direction of the screw cylinder.

[0013] Preferably, a counterweight arc plate is fixedly installed at the top of the rotating ring, and a second toothed plate is installed at an equal angle on the side of the counterweight arc plate near the screw barrel, and the second toothed plate is meshed with the first toothed plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. In this invention, after the tail sleeve is fitted onto the outside of the cylindrical socket housing for installation, the rotating ring rotates, causing the two side plates to move toward the two fixed blocks respectively, so that the two arc-shaped locking blocks are respectively engaged into the two arc-shaped locking slots, which facilitates the engagement and fixation of the cylindrical socket housing and the tail sleeve, and facilitates disassembly and maintenance. 2. In this invention, the limiting block rotates together with the rotating ring, allowing the pressing hemisphere to move toward the pressure hemisphere on the annular plate. The pressing hemisphere exerts pressure on the pressure hemisphere, pushing the annular plate toward the annular sealing gasket. The end face of the annular sealing gasket contacts the surface of the mounting plate. After compression, the annular sealing gasket is tightly attached to the mounting plate, improving the sealing effect between the tail sleeve and the mounting plate, thereby achieving a waterproof effect. 3. In this invention, a groove is provided at the end of the pressure hemisphere. The diameter of the pressure hemisphere, the diameter of the pressing hemisphere, and the diameter of the groove decrease in sequence. When the pressing hemisphere moves to the coaxial position of the pressure hemisphere, the pressing hemisphere sinks into the groove. This presses the annular sealing gasket and provides a certain positioning effect on the rotating ring, thereby improving the installation stability of the cylindrical socket shell and the tail sleeve. 4. In this invention, a counterweight arc plate is provided at the top of the rotating ring. The second toothed plate on the counterweight arc plate meshes with the first toothed plate on the screw barrel, so that the rotation of the rotating ring can drive the screw barrel to rotate. The fixed screw is threadedly connected to the screw barrel, which in turn drives the piston plate to move down, pushing air into the annular airbag, causing it to expand and press the annular sealing ring against the outer wall of the cylindrical socket shell, further improving the sealing and waterproof performance between the tail sleeve and the cylindrical socket shell. 5. In this invention, when the rotating ring rotates, the counterweight arc plate rotates from the top of the rotating ring to the side, adding side counterweight to the rotating ring, which plays a counterweight anti-rotation role and improves the stability of the equipment after installation and waterproofing. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0016] In the attached diagram: Figure 1 This is a schematic diagram of the miniaturized, high-precision, single-sided waterproof connector structure of the present invention; Figure 2 This is a schematic diagram of the end waterproof component structure of the present invention; Figure 3 This is a schematic diagram of the annular plate structure of the present invention; Figure 4 This is a schematic diagram of the rotating snap-fit ​​structure of the present invention; Figure 5 This is a schematic diagram of the circumferential waterproof component structure of the present invention; Figure 6 This is a schematic diagram of the screw barrel structure of the present invention; Figure 7 This is a schematic diagram of the counterweight arc plate structure of the present invention; In the diagram: 1. Socket end assembly; 101. Cylindrical socket housing; 102. Mounting plate; 103. Fixing block; 104. Arc-shaped slot; 2. Outer housing assembly; 201. Tail housing; 202. Wiring harness; 203. Rotating snap-fit ​​component; 2031. Rotating ring; 2032. Side plate; 2033. Arc-shaped snap-fit ​​block; 2034. Limiting groove; 2035. Limiting block; 204. End waterproof component; 2041. Annular inner groove; 2042. Annular through groove; 2043. Annular plate; 2044. Annular sealing gasket; 2045. Guide groove; 2 046, Guide rod; 2047, Pressurized hemispherical block; 2048, Groove; 2049, Pressing hemispherical block; 205, Circumferential waterproof component; 2051, Annular mounting groove; 2052, Annular airbag; 2053, Annular sealing ring; 2054, Air nozzle; 2055, Top cylinder; 2056, Piston plate; 2057, Top rod; 2058, Top plate; 2059, Fixing screw; 20510, Screw barrel; 20511, Limiting rotating frame; 20512, First toothed plate; 20513, Counterweight arc plate; 20514, Second toothed plate. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0018] Example 1, by Figures 1-7 The present invention relates to a miniaturized, high-precision, single-sided waterproof connector, comprising a socket end assembly 1 and an outer housing assembly 2. The socket end assembly 1 includes a cylindrical socket housing 101, an mounting plate 102 is mounted in the middle of the cylindrical socket housing 101, and a fixing block 103 is symmetrically mounted on one side of the mounting plate 102. An arc-shaped groove 104 is provided on the fixing block 103.

[0019] The outer casing assembly 2 includes a tail casing 201. A wire harness 202 is installed at one end of the tail casing 201. The wire harness 202 is electrically connected to the electrical equipment inside the cylindrical socket housing 101. The tail casing 201 is fitted onto the outside of the cylindrical socket housing 101 and is located between two fixing blocks 103. A rotating snap-fit ​​component 203 is installed on the outside of the tail casing 201. When the rotating snap-fit ​​component 203 snaps into the fixing block 103, the tail casing 201 is fixed to the cylindrical socket housing 101. During installation, the wire harness 202 is electrically connected to the electrical components inside the cylindrical socket housing 101, the tail casing 201 is fitted onto the outside of the cylindrical socket housing 101, and the tail casing 201 is moved between the two fixing blocks 103.

[0020] An end waterproof component 204 is provided at one end of the tail cover 201 near the mounting plate 102 to improve the sealing and waterproof effect between the tail cover 201 and the mounting plate 102. A circumferential waterproof component 205 is provided on the circumferential inner wall of the tail cover 201 to improve the sealing and waterproof effect between the tail cover 201 and the cylindrical socket housing 101. The circumferential waterproof component 205 is located on the side of the rotating snap-fit ​​component 203 away from the mounting plate 102.

[0021] The rotating locking component 203 includes a rotating ring 2031 rotatably mounted on the outside of the tail sleeve 201. Two side plates 2032 are centrally symmetrically mounted on the outer side of the rotating ring 2031. The two side plates 2032 are located on the upper and lower sides of the two fixing blocks 103, respectively. An arc-shaped locking block 2033 is mounted on the side of the side plate 2032 closest to the fixing block 103. Two limiting grooves 2034 are centrally symmetrically formed on the outer wall of the tail sleeve 201. Two limiting grooves 2034 are centrally symmetrically mounted on the inner side of the rotating ring 2031. Two limiting blocks 2035 are slidably installed in two limiting grooves 2034 respectively. After the tail sleeve 201 is installed on the outside of the cylindrical socket housing 101, the rotating ring 2031 rotates, causing the two side plates 2032 to move toward the two fixing blocks 103 respectively, so that the two arc-shaped locking blocks 2033 are respectively locked into the two arc-shaped locking grooves 104, which facilitates the locking and fixing of the cylindrical socket housing 101 and the tail sleeve 201, and facilitates disassembly and maintenance.

[0022] The end waterproof component 204 includes an annular inner groove 2041 formed inside the tail sleeve 201. The end of the annular inner groove 2041 away from the mounting plate 102 is connected to two limiting grooves 2034. The end of the annular inner groove 2041 near the mounting plate 102 has an annular inner groove 2041. One end of the annular inner groove 2041 extends to the end of the tail sleeve 201. An annular plate 2043 is movably installed inside the annular inner groove 2041. The annular plate 2043 is close to... An annular sealing gasket 2044 is installed on one side of the annular inner groove 2041. The annular sealing gasket 2044 is located inside the annular through groove 2042, and the end face of the tail sleeve 201 is flush with the end face of the annular sealing gasket 2044. Guide rods 2046 are symmetrically installed on the inner wall of the end of the annular inner groove 2041 away from the annular through groove 2042. Two guide grooves 2045 are symmetrically opened in the annular plate 2043, and the guide rods 2046 are located inside the guide grooves 2045.

[0023] Two pressure-bearing hemispherical blocks 2047 are symmetrically installed on the side of the annular plate 2043 away from the annular sealing gasket 2044. The ends of the pressure-bearing hemispherical blocks 2047 are provided with grooves 2048. The two pressure-bearing hemispherical blocks 2047 are respectively located within two limiting grooves 2034. The limiting block 2035 within the limiting groove 2034 and the pressure-bearing hemispherical blocks 2047 are respectively located at opposite ends of the limiting groove 2034. The limiting block 2035 is close to the inner annular groove 2044. A pressing hemispherical block 2049 is fixedly installed on one side of 41. A groove 2048 is formed at the end of the pressed hemispherical block 2047. The diameters of the pressed hemispherical block 2047, the pressing hemispherical block 2049, and the groove 2048 decrease sequentially, so that when the pressing hemispherical block 2049 moves to the coaxial position with the pressed hemispherical block 2047, the pressing hemispherical block 2049 sinks into the groove 2048, thereby pressing the annular sealing gasket 2044. While being compressed, the rotating ring 2031 is positioned to improve the installation stability of the cylindrical socket housing 101 and the tail sleeve 201. The diameter of the compressed hemispherical block 2047 is larger than the diameter of the pressing hemispherical block 2049, and the diameter of the pressing hemispherical block 2049 is larger than the diameter of the groove 2048. The limiting block 2035 rotates together with the rotating ring 2031, allowing the pressing hemispherical block 2049 to move toward the compressed hemispherical block 2047 on the annular plate 2043, and the pressing hemispherical block 2049 to exert pressure on the compressed hemispherical block 2047, pushing the annular plate 2043 toward the annular sealing gasket 2044. The end face of the annular sealing gasket 2044 contacts the surface of the mounting plate 102. After compression, the annular sealing gasket 2044 is tightly attached to the mounting plate 102, improving the sealing effect between the tail sleeve 201 and the mounting plate 102, thereby achieving a waterproof effect.

[0024] The circumferential waterproof component 205 includes an annular mounting groove 2051 formed on the circumferential inner wall of the tail sleeve 201. The annular mounting groove 2051 is located on the side of the rotating ring 2031 away from the annular inner groove 2041. An annular airbag 2052 is installed inside the annular mounting groove 2051. An annular sealing ring 2053 is installed on the inner side of the annular airbag 2052. An air nozzle 2054 is installed at the top of the annular airbag 2052. A top cylinder 2055 is fixedly installed at the top of the tail sleeve 201. A piston plate 2056 is movably installed inside the top cylinder 2055. The top of the air nozzle 2054 extends into the interior of the top cylinder 2055. A sealing ring is installed between the piston plate 2056 and the tail sleeve 201. A top rod 2057 is fixedly installed at the top of the piston plate 2056. A top plate 2058 is fixedly installed at the top of the top rod 2057. The top plate 2058 is located above the top cylinder 2055. A fixing screw 2059 is fixedly installed at the bottom of the top plate 2058. A limiting bracket 20511 is fixedly installed on the side of the top cylinder 2055 near the rotating ring 2031. A screw cylinder 20510 is rotatably installed on the inner side of the limiting bracket 20511. The screw cylinder 20510 is threadedly connected to the fixing screw 2059. A first toothed plate 20512 is installed at equal angles in the circumferential direction of the screw cylinder 20510.

[0025] A counterweight arc plate 20513 is fixedly installed at the top of the swivel ring 2031. When the swivel ring 2031 rotates, the counterweight arc plate 20513 rotates from the top of the swivel ring 2031 to the side, adding side counterweight to the swivel ring 2031. This counterweight anti-rotation function improves the stability of the equipment after installation and waterproofing. A second toothed plate 20514 is installed at an equal angle on the side of the counterweight arc plate 20513 near the screw barrel 20510. The second toothed plate 20514 meshes with the first toothed plate 20512. The top of the swivel ring 2031 is provided with a counterweight arc plate 20513. 13. The second toothed plate 20514 on the counterweight arc plate 20513 meshes with the first toothed plate 20512 on the screw barrel 20510, so that the rotation of the rotating ring 2031 can drive the screw barrel 20510 to rotate. The fixing screw 2059 is threadedly connected to the screw barrel 20510, which in turn drives the piston plate 2056 to move down, pushing air into the annular airbag 2052, causing it to expand and press the annular sealing ring 2053 against the outer wall of the cylindrical socket housing 101, further improving the sealing and waterproof performance between the tail sleeve 201 and the cylindrical socket housing 101.

[0026] Working principle: During installation, the wiring harness 202 is electrically connected to the internal electrical components of the cylindrical socket housing 101. The tail sleeve 201 is fitted onto the outside of the cylindrical socket housing 101 and moved between the two fixing blocks 103. Then, the rotating ring 2031 on the outer wall of the tail sleeve 201 is rotated counterclockwise, causing the two side plates 2032 to move toward one side of the two fixing blocks 103 respectively. This causes the arc-shaped locking blocks 2033 on the two side plates 2032 to engage with the arc-shaped locking grooves 104 on the two fixing blocks 103, thus securing the tail sleeve 201 to the cylindrical socket housing 101 for easy installation. During rotation, the pressing hemisphere 2049 moves along the limiting groove 2034 toward the pressure-receiving hemisphere 2047, causing the pressing hemisphere 2049 to exert pressure on the outer wall of the pressure-receiving hemisphere 2047 until the pressing hemisphere 2049 moves to the position corresponding to the groove 2048. At this time, part of the pressing hemisphere 2049 enters the groove 2048. During the movement, it exerts pressure on the annular plate 2043 toward the annular sealing gasket 2044. Since the end face of the annular sealing gasket 2044 is in contact with the surface of the mounting plate 102, the annular sealing gasket 2044 is pressed tightly against the mounting plate 102, improving the sealing and waterproof effect between the mounting plate 102 and the tail sleeve 201. At the same time, part of the pressing hemisphere 2049 sinks into the groove 2048, thereby playing an auxiliary fixing effect on the rotating ring 2031 and improving the anti-detachment performance. Meanwhile, since the second toothed plate 20514 on the top counterweight arc plate 20513 of the rotating ring 2031 meshes with the first toothed plate 20512 on the circumferential direction of the screw barrel 20510, when the rotating ring 2031 rotates, the second toothed plate 20514 rotates with the first toothed plate 20512, and the screw barrel 20510 meshes with the fixed screw 2059, thereby driving the fixed screw 2059 and the piston plate 2056 to move downward. When the piston plate 2056 moves downward in the top cylinder 2055, it pushes the... Air from below enters the annular airbag 2052 through the air nozzle 2054, causing the annular airbag 2052 to expand and press the annular sealing ring 2053 against the outer wall of the cylindrical socket housing 101, improving the sealing between the cylindrical socket housing 101 and the tail sleeve 201, further enhancing the waterproof performance. At the same time, as the rotating ring 2031 rotates, the counterweight arc plate 20513 rotates from the top of the rotating ring 2031 to the side, acting as a counterweight to prevent the rotating ring 2031 from rotating back, improving the stability of the equipment after installation and waterproofing.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A miniaturized, high-precision, single-sided waterproof connector, comprising a socket end assembly (1) and an outer housing assembly (2), characterized in that: The socket end assembly (1) includes a cylindrical socket housing (101), a mounting plate (102) is installed in the middle of the cylindrical socket housing (101), and a fixing block (103) is symmetrically installed on one side of the mounting plate (102). An arc-shaped slot (104) is provided on the fixing block (103). The outer housing assembly (2) includes a tail housing (201), one end of which is equipped with a wire harness (202). The wire harness (202) is electrically connected to the electrical equipment inside the cylindrical socket housing (101). The tail housing (201) is fitted onto the outside of the cylindrical socket housing (101) and is located between two fixing blocks (103). A rotating snap-fit ​​component (203) is installed on the outside of the tail sleeve (201). When the rotating snap-fit ​​component (203) is snapped into the fixing block (103), the tail sleeve (201) is fixed to the cylindrical socket housing (101). An end waterproof component (204) is provided at one end of the tail housing (201) near the mounting plate (102) to improve the sealing and waterproof effect between the tail housing (201) and the mounting plate (102). A circumferential waterproof component (205) is provided on the circumferential inner wall of the tail housing (201) to improve the sealing and waterproof effect between the tail housing (201) and the cylindrical socket housing (101). The circumferential waterproof component (205) is located on the side of the rotating snap-fit ​​component (203) away from the mounting plate (102).

2. The miniaturized, high-precision, single-sided waterproof connector according to claim 1, characterized in that: The rotating snap-fit ​​component (203) includes a rotating ring (2031) rotatably mounted on the outside of the tail sleeve (201). Two side plates (2032) are centrally symmetrically mounted on the outside of the rotating ring (2031). The two side plates (2032) are located on the upper and lower sides of the two fixing blocks (103), respectively. An arc-shaped snap-fit ​​block (2033) is installed on the side of the side plate (2032) close to the fixing block (103). Two limiting grooves (2034) are centrally symmetrically opened on the outer wall of the tail sleeve (201). Two limiting blocks (2035) are centrally symmetrically mounted on the inner side of the rotating ring (2031). The two limiting blocks (2035) are slidably mounted in the two limiting grooves (2034).

3. The miniaturized, high-precision, single-sided waterproof connector according to claim 1, characterized in that: The end waterproof component (204) includes an annular inner groove (2041) opened inside the tail sleeve (201). The end of the annular inner groove (2041) away from the mounting plate (102) is connected to two limiting grooves (2034). The end of the annular inner groove (2041) near the mounting plate (102) is provided with an annular inner groove (2041). One end of the annular inner groove (2041) extends to the end of the tail sleeve (201). An annular plate (2043) is movably installed inside the annular inner groove (2041). An annular sealing gasket (2044) is installed on the side of the annular plate (2043) near the annular inner groove (2041). The annular sealing gasket (2044) is located inside the annular through groove (2042), and the end face of the tail sleeve (201) is flush with the end face of the annular sealing gasket (2044).

4. A miniaturized, high-precision, single-sided waterproof connector according to claim 3, characterized in that: Guide rods (2046) are symmetrically installed on the inner wall of the end of the annular inner groove (2041) away from the annular through groove (2042). Two guide grooves (2045) are symmetrically opened in the annular plate (2043), and the guide rods (2046) are located inside the guide grooves (2045).

5. A miniaturized, high-precision, single-sided waterproof connector according to claim 3, characterized in that: Two pressure-bearing hemispherical blocks (2047) are symmetrically installed on the side of the annular plate (2043) away from the annular sealing gasket (2044). The ends of the pressure-bearing hemispherical blocks (2047) are provided with grooves (2048). The two pressure-bearing hemispherical blocks (2047) are respectively located in two limiting grooves (2034), and the limiting block (2035) in the limiting groove (2034) and the pressure-bearing hemispherical blocks (2047) are respectively located at both ends inside the limiting groove (2034).

6. A miniaturized, high-precision, single-sided waterproof connector according to claim 2, characterized in that: The limiting block (2035) has a pressing hemisphere (2049) fixedly installed on the side near the annular inner groove (2041). The diameter of the pressed hemisphere (2047) is larger than the diameter of the pressing hemisphere (2049), and the diameter of the pressing hemisphere (2049) is larger than the diameter of the groove (2048).

7. A miniaturized, high-precision, single-sided waterproof connector according to claim 1, characterized in that: The circumferential waterproof component (205) includes an annular mounting groove (2051) opened on the circumferential inner wall of the tail sleeve (201). The annular mounting groove (2051) is located on the side of the rotating ring (2031) away from the annular inner groove (2041). An annular airbag (2052) is installed inside the annular mounting groove (2051). An annular sealing ring (2053) is installed on the inner side of the annular airbag (2052). An air nozzle (2054) is installed at the top of the annular airbag (2052).

8. A miniaturized, high-precision, single-sided waterproof connector according to claim 1, characterized in that: The top of the tail sleeve (201) is fixedly installed with a top cylinder (2055), and a piston plate (2056) is movably installed inside the top cylinder (2055). The top of the air nozzle (2054) extends into the interior of the top cylinder (2055), and a sealing ring is installed between the air nozzle (2054) and the tail sleeve (201).

9. A miniaturized, high-precision, single-sided waterproof connector according to claim 8, characterized in that: A top rod (2057) is fixedly installed at the top of the piston plate (2056), and a top plate (2058) is fixedly installed at the top of the top rod (2057). The top plate (2058) is located above the top cylinder (2055), and a fixing screw (2059) is fixedly installed at the bottom of the top plate (2058). A limiting bracket (20511) is fixedly installed on the side of the top cylinder (2055) near the rotating ring (2031). A screw cylinder (20510) is rotatably installed on the inner side of the limiting bracket (20511). The screw cylinder (20510) is threadedly connected to the fixing screw (2059), and a first toothed plate (20512) is installed at equal angles in the circumferential direction of the screw cylinder (20510).

10. A miniaturized, high-precision, single-sided waterproof connector according to claim 1, characterized in that: The top of the swivel (2031) is fixedly installed with a counterweight arc plate (20513). The counterweight arc plate (20513) is installed with a second toothed plate (20514) at an equal angle on the side of the counterweight arc plate (20513) near the screw barrel (20510). The second toothed plate (20514) is meshed with the first toothed plate (20512).