阅读说明：本技术 一种户外电源插座的屏蔽连接结构 (Shielding connection structure of outdoor power socket ) 是由 张晓强 王华巍 王宏吉 于 2020-12-01 设计创作，主要内容包括：一种户外电源插座的屏蔽连接结构,包括外壳,所述外壳一端设置有法兰盘,所述外壳在与所述法兰盘同侧的端面上对称设置有突出的弓形悬臂,所述弓形悬臂上外套有一呈灯笼状的弹性簧圈,所述外壳内限位插设有用于电力传输的导电组件,所述导电组件伸出所述外壳的部分与所述弓形悬臂相配合共同用于支撑所述弹性簧圈,所述弹性簧圈通过安装时的挤压变形完成所述外壳与外部机柜内孔界面的屏蔽电连接。本发明通过在机柜内孔界面位置设计屏蔽连接,避免了传统结构在外壳的法兰盘处进行屏蔽连接设计,由于密封圈及防腐涂料的影响导致性能不良的缺点；法兰盘及弹性簧圈的双重屏蔽连接结构设计,提高了产品的可靠性并能够提升屏蔽效能及抗雷击性能。(The utility model provides an outdoor power socket's shielded connection structure, includes the shell, shell one end is provided with the ring flange, the shell with the symmetry is provided with outstanding bow-shaped cantilever on the terminal surface of ring flange homonymy, the overcoat has an elasticity spring coil that is the lantern form on the bow-shaped cantilever, spacing the inserting is equipped with the conductive component who is used for power transmission in the shell, conductive component stretches out the part of shell with bow-shaped cantilever cooperatees and is used for supporting jointly elasticity spring coil, extrusion deformation when elasticity spring coil is through the installation is accomplished the shell is connected with the shielded electricity at outside rack hole interface. According to the invention, the shielding connection is designed at the interface position of the inner hole of the cabinet, so that the defect of poor performance caused by the influence of the sealing ring and the anticorrosive paint due to the shielding connection design at the flange plate of the shell in the traditional structure is avoided; the double-shielding connection structure design of the flange plate and the elastic spring coil improves the reliability of the product and can improve the shielding efficiency and the anti-lightning performance.)

1. The utility model provides an outdoor power socket's shielded connection structure which characterized in that: including shell (1), shell (1) one end is provided with ring flange (15), shell (1) with the symmetry is provided with outstanding bow-shaped cantilever (11) on the terminal surface of ring flange (15) homonymy, the overcoat has one to be elasticity spring coil (2) of lantern form on bow-shaped cantilever (11), spacing inserting is equipped with conductive component (4) that are used for power transmission in shell (1), conductive component (4) stretch out the part of shell (1) with bow-shaped cantilever (11) cooperate and are used for supporting jointly elasticity spring coil (2), extrusion deformation when elasticity spring coil (2) are through the installation is accomplished shell (1) is connected with the shielded electricity at outside rack (5) hole interface.

2. The shielded connection structure of an outdoor power outlet according to claim 1, wherein: the conducting component (4) is provided with a step (41) which is used for axially limiting and clamping the inner end part of the shell (1), the conducting component (4) is positioned at two sides of the step (41) and is respectively and symmetrically provided with a plane (42), and the planes (42) are matched with the inner side surface of the arched cantilever (11) and are used for radially fixing the conducting component (4); a first cylindrical surface (111) is arranged on the outer side of the arched cantilever (11), second cylindrical surfaces (43) are symmetrically arranged on the upper side and the lower side of the conductive assembly (4), and the second cylindrical surfaces (43) and the first cylindrical surface (111) are combined together to form a whole cylindrical surface for supporting the elastic spring coil (2); the end part of the arched cantilever (11) extending out of the shell (1) is externally provided with a first convex edge (13) with an arc structure, one end face of the second cylindrical surface (43) is in butt joint with the step (41), the other end face of the second cylindrical surface is in butt joint with a second convex edge (44) with an arc structure, and the second convex edge (44) and the first convex edge (13) are combined together to form a whole convex edge for fixing the axial position of the elastic spring ring (2).

3. The shielded connection structure of an outdoor power outlet according to claim 2, wherein: the elastic spring coil (2) comprises annular band surfaces (21) on two sides and protruding elastic arms (24) uniformly distributed in the middle, an opening (22) is reserved on one side of the elastic spring coil (2), the edges of the annular band surfaces (21) at the opening (22) are inwards provided with a bending elastic arm (24), and a first cylindrical surface (111) of the arched cantilever (11) is inwards provided with a radial groove (12) matched with the bending elastic arm (24).

4. The shielded connection structure of an outdoor power outlet according to claim 3, wherein: the radial groove (12) axially penetrates through a first convex edge (13) of the arched cantilever (11); an annular groove (14) is formed in the end face of the flange plate (15) along the arched cantilever (11), and a sealing ring (3) matched with the annular groove is clamped in the annular groove (14).

5. The shielded connection structure of an outdoor power outlet according to claim 4, wherein: a mounting round hole (51) is formed in the outer wall of the cabinet (5), and the inner hole wall of the mounting round hole (51) and the elastic spring coil (2) apply radial compression force to the protruding elastic arm (24) in an interference fit manner; at least more than four threaded holes (52) are uniformly distributed in the outer wall of the cabinet (5) along the circumferential direction of the mounting round hole (51), through holes (151) corresponding to the threaded holes (52) are formed in the flange plate (15), and the through holes (151) and the threaded holes (52) are fixedly screwed through screws (152).

Technical Field

The invention belongs to the technical field of electric connectors, and particularly relates to a shielding connection structure of an outdoor power socket.

Background

The electrical connector is widely used for connecting various devices, and the power connector provides energy support for various devices, and the communication base station device is one of the devices.

The traditional power socket shielding is continuously conducted by means of contact between a metal shell flange plate and a cabinet mounting interface, so that the overall shielding and lightning protection functions of a power connection system are realized. Due to the requirement of corrosion resistance, the installation interface of the cabinet usually needs to be sprayed with anticorrosive paint, but the electric connection between the cabinet and the shell flange is insufficient, and the shielding function is poor; in addition, the flange interface typically has seal design requirements that further affect the reliability of the shielded connection.

The invention designs a structure for realizing electric connection at the inner hole interface of the installation equipment, avoids the problems of the traditional structure, and has the characteristics of high installation reliability and strong shielding and lightning stroke resistance.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a shielding connection structure of an outdoor power socket, and the specific technical scheme is as follows:

the utility model provides an outdoor power socket's shielded connection structure, includes the shell, shell one end is provided with the ring flange, the shell with the symmetry is provided with outstanding bow-shaped cantilever on the terminal surface of ring flange homonymy, the overcoat has an elasticity spring coil that is the lantern form on the bow-shaped cantilever, spacing the inserting is equipped with the conductive component who is used for power transmission in the shell, conductive component stretches out the part of shell with bow-shaped cantilever cooperatees and is used for supporting jointly elasticity spring coil, extrusion deformation when elasticity spring coil is through the installation is accomplished the shell is connected with the shielded electricity at outside rack hole interface.

Furthermore, a step for axially limiting and clamping the conductive assembly at the inner end part of the shell is arranged on the conductive assembly, a plane is symmetrically arranged on each of two sides of the step of the conductive assembly, and the plane is matched with the inner side surface of the arched cantilever and used for radially fixing the conductive assembly; a first cylindrical surface is arranged on the outer side of the arched cantilever, second cylindrical surfaces are symmetrically arranged on the upper portion and the lower portion of the conductive assembly respectively, and the second cylindrical surfaces and the first cylindrical surfaces are combined together to form a whole cylindrical surface for supporting the elastic spring coil; the end part of the arched cantilever extending out of the shell is externally provided with a first convex edge of an arc structure, one end face of the second cylindrical surface is in butt joint with the step, the other end face of the second cylindrical surface is connected with a second convex edge of the arc structure, and the second convex edge and the first convex edge are combined together to form a whole convex edge for fixing the axial position of the elastic spring coil.

Furthermore, the elastic spring coil comprises annular band surfaces on two sides and raised elastic arms uniformly distributed in the middle, an opening is reserved on one side of the elastic spring coil, a bending elastic arm is respectively arranged inwards at the edge of the opening of the annular band surface, and a radial groove matched with the bending elastic arm is inwards formed in the first cylindrical surface of the arched cantilever.

Further, the radial groove axially penetrates through the first convex edge of the arched cantilever; an annular groove is formed in the end face of the flange plate along the arc-shaped cantilever, and a sealing ring matched with the annular groove is clamped in the annular groove.

Furthermore, an installation round hole is formed in the outer wall of the cabinet, and the inner hole wall of the installation round hole and the elastic spring coil are in interference fit to apply radial compression force to the protruding elastic arm; at least more than four threaded holes are uniformly distributed on the outer wall of the machine cabinet along the circumferential direction of the mounting round hole, through holes corresponding to the threaded holes are formed in the flange plate, and the through holes are fixedly connected with the threaded holes through screws in a screwed mode.

The invention has the beneficial effects that:

1. according to the invention, the shielding connection is designed at the interface position of the inner hole of the cabinet, so that the defect of poor performance caused by the influence of the sealing ring and the anticorrosive paint due to the shielding connection design at the flange plate of the shell in the traditional structure is avoided; the double-shielding connection structure design of the flange plate and the elastic spring coil improves the reliability of the product and can improve the shielding efficiency and the anti-lightning performance.

2. The elastic spring coil is coaxially matched with the circular mounting hole of the cabinet, so that the elastic spring coil can play a role in guiding and correcting in the product loading process, and is beneficial to protecting an internal conductive assembly and correcting the correct position of the conductive assembly after the conductive assembly penetrates through the inner hole wall of the cabinet.

Drawings

FIG. 1 is a schematic diagram of the shielded electrical connection of the receptacle of the present invention;

FIG. 2 shows a schematic structural view of the housing of the present invention;

FIG. 3 is a schematic diagram of the construction of the spring coil of the present invention;

FIG. 4 is a schematic view showing the structure of a seal ring according to the present invention;

FIG. 5 shows a schematic diagram of the construction of the conductive assembly of the present invention;

FIG. 6 is a schematic diagram of a cabinet mounting interface according to the present invention;

fig. 7 is a schematic diagram illustrating an application of the shielded connection structure of the power outlet of the present invention.

Shown in the figure: 1. a housing; 11. an arcuate cantilever; 111. a first cylindrical surface; 12. a radial groove; 13. a first convex edge; 14. an annular groove; 15. a flange plate; 151. a through hole; 152. a screw; 2. an elastic spring coil; 21. an endless belt surface; 22. an opening; 23. bending the elastic arm; 24. a protruding elastic arm; 3. a seal ring; 4. a conductive component; 41. a step; 42. a plane; 43. a second cylindrical surface; 44. a second convex edge; 5. a cabinet; 51. mounting a round hole; 52. a threaded bore.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and 2, a shielding connection structure of an outdoor power socket includes a housing 1, one end of the housing 1 is provided with a flange 15, the housing 1 is symmetrically provided with protruding bow-shaped cantilevers 11 on an end surface on the same side as the flange 15, the bow-shaped cantilevers 11 are externally sleeved with a lantern-shaped elastic spring coil 2, a conductive component 4 for power transmission is inserted in the housing 1 at a limited position, a portion of the conductive component 4 extending out of the housing 1 is matched with the bow-shaped cantilevers 11 to be used for supporting the elastic spring coil 2, and the elastic spring coil 2 completes shielding electrical connection of an inner hole interface between the housing 1 and an external cabinet 5 through extrusion deformation during installation; by adopting the technical scheme, the shielding connection is designed at the interface position of the inner hole of the cabinet 5, so that the defect of poor performance caused by the influence of a sealing ring and anticorrosive paint due to the shielding connection design of the traditional structure at the flange plate 15 of the shell 1 is avoided; the design of the double-shielding connection structure of the flange 15 and the elastic spring coil 2 improves the reliability of the product and can improve the shielding efficiency and the anti-lightning performance.

As shown in fig. 2 and 5, a step 41 for axially limiting and clamping the conductive assembly 4 at the inner end of the housing 1 is provided on the conductive assembly 4, a plane 42 is symmetrically provided on each of two sides of the step 41 of the conductive assembly 4, and the plane 42 cooperates with the inner side surface of the arcuate cantilever 11 for radially fixing the conductive assembly 4; a first cylindrical surface 111 is arranged on the outer side of the arched cantilever 11, second cylindrical surfaces 43 are respectively and symmetrically arranged on the upper side and the lower side of the conductive component 4, and the second cylindrical surfaces 43 and the first cylindrical surfaces 111 are combined together to form a whole cylindrical surface for supporting the elastic spring coil 2; a first convex edge 13 with an arc structure is arranged outside the end part of the arched cantilever 11 extending out of the shell 1, one end surface of the second cylindrical surface 43 is butted with the step 41, the other end surface is butted with a second convex edge 44 with an arc structure, and the second convex edge 44 and the first convex edge 13 are combined together to form a whole convex edge for fixing the axial position of the elastic spring coil 2; by the technical scheme, the step 41 is matched with the shell 1 to play a role in stopping; the first cylindrical surface 111, the second cylindrical surface 43 and the first convex edge 13 and the second convex edge 44 together form an axial mounting groove for spacing and supporting the elastic coil 2, so as to support the elastic coil 2 and prevent the elastic coil 2 from falling off the bow-shaped cantilever 11.

As shown in fig. 2 and 3, the elastic spring coil 2 includes annular band surfaces 21 on both sides and raised elastic arms 24 evenly distributed in the middle, an opening 22 is reserved on one side of the elastic spring coil 2, a bending elastic arm 24 is respectively arranged inward on the edge of the annular band surface 21 at the opening 22, and a radial groove 12 matched with the bending elastic arm 24 is inwards arranged on a first cylindrical surface 111 of the arcuate cantilever 11; by this solution, the opening 22 is designed to enable the elastic coil 2 to contract at the opening 22 when receiving a radial compression force; the radial grooves 12 cooperate with the bent resilient arms 24 to prevent circumferential rotation of the resilient coil 2 and to enable the resilient coil 2 to contract inwardly and be securely fixed to the housing 1 when subjected to a radially compressive force.

As shown in fig. 2, the radial groove 12 axially penetrates through the first flange 13 of the arcuate cantilever 11; through this technical scheme, be convenient for the installation of elasticity spring coil 2.

As shown in fig. 1, 2 and 4, an annular groove 14 is formed on the end surface of the flange 15 along the arcuate cantilever 11, and a sealing ring 3 matched with the annular groove 14 is clamped in the annular groove 14; through this technical scheme, when supply socket was locked on the 5 outer walls of rack for 1 flange face of shell and 5 outer walls of rack extrusion sealing washer 3, thereby reach the sealed effect at this fitting surface.

As shown in fig. 7, an outer wall of the cabinet 5 is provided with a mounting circular hole 51, and an inner hole wall of the mounting circular hole 51 and the elastic spring coil 2 are in interference fit to apply a radial compressive force to the protruding elastic arm 24; by the technical scheme, an independent shielding electric connection can be realized at the inner hole wall position of the installation round hole 51 of the cabinet 15.

As shown in fig. 2, 6 and 7, at least more than four threaded holes 52 are uniformly distributed on the outer wall of the cabinet 5 along the circumferential direction of the mounting circular hole 51, through holes 151 corresponding to the threaded holes 52 are formed in the flange 15, and the through holes 151 and the threaded holes 52 are fixedly screwed through screws 152; through this technical scheme, can carry out locking and fixing effectively to supply socket.

The working principle of the invention is as follows:

the use mode of the invention is that the power socket is inserted into the mounting round hole 51 on the outer wall of the cabinet 5, and the power socket is locked on the threaded hole 52 on the outer wall of the cabinet 5 by a screw 152 passing through the through hole 151 on the flange 15 of the shell 1; when the power socket is installed in the cabinet 5, the mounting circular hole 51 on the cabinet 5 radially compresses the protruding elastic arm 24 of the elastic spring coil 2, so that the elastic spring coil 2 contracts and presses the bow-shaped cantilever 11 of the housing 1, and finally, the shielding electrical connection between the housing 1 and the cabinet 5 is completed through the elastic spring coil 2.

The structure designed by the invention can install the inner hole wall of the round hole 51 on the flange surface of the shell 1 and the outer wall surface of the cabinet 5, and the arched cantilever 11 of the shell 1 and the outer wall of the cabinet 5, and the two positions realize independent shielding electric connection, thereby effectively improving the reliability of the product and improving the shielding efficiency and the lightning stroke resistance.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.