Network communication equipment for photographic equipment

Abstract

The utility model provides network communication equipment for photographic equipment. The network communication equipment comprises a shell, a first sealing ring, a second sealing ring and an electronic device, the shell comprises a shell body with two open ends, a first end plate and a second end plate, the first end plate and the second end plate block the two open ends of the shell body respectively, the two open ends of the shell body are provided with a first inclined face and a second inclined face respectively, and the edge of the first end plate is provided with a first step face corresponding to the first inclined face. The edge of the second end plate is provided with a second step face corresponding to the second inclined face. And the first sealing ring is clamped between the first inclined surface and the first step surface. And the second sealing ring is clamped between the second inclined surface and the second step surface. The electronics are disposed within the housing. According to the invention, the first sealing ring is clamped between the first inclined plane and the first step surface, and the second sealing ring is clamped between the second inclined plane and the second step surface, thereby facilitating the improvement of the overall waterproof performance of the housing, and facilitating the prolonging of the service life of the photographic equipment network communication equipment.

Description

Technical Field

[0001] The present application belongs to the technical field of gateway devices, and more specifically, to a network communication device for photographic equipment. Background Art

[0002] Network communication equipment is a special hardware device used to connect various servers, computers, application terminals and other nodes to form an information communication network. These devices play a key role in building and managing communication networks, ensuring that data can be transmitted and shared between different devices. With the continuous development of technology, network communication equipment is also constantly evolving, providing more efficient and intelligent communication solutions for all walks of life. For example, in the field of photography, photographers can connect cameras or photography lights to computers or mobile devices through network communication equipment to achieve real-time preview, remote control, data transmission and other functions, thereby improving shooting efficiency and convenience.

[0003] When assembling traditional network communication equipment used in the field of photography, the waterproof sealing treatment of the network communication equipment is poor, which makes it easy for water to enter the interior of the network communication equipment and get damp, which can easily cause damage to the electronic components in the network communication equipment and reduce the service life of the network communication equipment. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a photographic equipment network communication device to solve the technical problem in the prior art that the network communication device used in the photographic field is easily infiltrated with water and damp, which may easily cause damage to the electronic components in the network communication device.

[0005] To achieve the above purpose, the technical solution adopted by this application is: to provide a photographic equipment network communication device, including:

[0006] A shell, the shell comprising a shell with two open ends, and a first end plate and a second end plate respectively sealed at the two open ends of the shell, the two open ends of the shell are respectively provided with a first inclined surface and a second inclined surface, the edge of the first end plate is provided with a first step surface corresponding to the first inclined surface, and the edge of the second end plate is provided with a second step surface corresponding to the second inclined surface;

[0007] a first sealing ring, wherein the first sealing ring is clamped between the first inclined surface and the first step surface;

[0008] a second sealing ring, the second sealing ring being clamped between the second inclined surface and the second step surface; and

[0009] An electronic device is disposed in the housing.

[0010] Optionally, the first inclined surface is arranged along the circumference of an open end of the shell, and the first step surface is arranged along the circumference of the first end plate.

[0011] Optionally, the second inclined surface is arranged along the circumference of the other open end of the shell, and the second step surface is arranged along the circumference of the second end plate.

[0012] Optionally, the first end plate is provided with a first groove, the first groove runs through the first step surface, and a portion of the first sealing ring is accommodated in the first groove.

[0013] Optionally, the second end plate is provided with a second groove, the second groove runs through the second step surface, and part of the second sealing ring is accommodated in the second groove.

[0014] Optionally, the shell is provided with an avoidance opening and a socket, and the photographic equipment network communication device also includes a power socket and a waterproof membrane, the power socket is inserted in the socket, and the waterproof membrane seals the avoidance opening and the gap between the power socket and the inner wall of the socket.

[0015] Optionally, the shell is further provided with a wiring port, and the photographic equipment network communication device further includes a wiring terminal, and the wiring terminal is inserted into the wiring port and sealed with the wiring port.

[0016] Optionally, a ring plate is provided on the inner side wall of the wiring port, the wiring terminal is formed with a boss surface facing the ring plate, the boss surface is provided with a sealing strip, and the sealing strip is in sealing contact with the ring plate.

[0017] Optionally, the first end plate is provided with blocks at both ends along its length direction, and the photographic equipment network communication device also includes a plurality of antenna rods, which are arranged on the first end plate at intervals along the length direction of the first end plate and are located between two of the blocks.

[0018] Optionally, the block includes a stopper portion and two lugs, the stopper portion is connected to the end of the first end plate, the two lugs are respectively connected to both ends of the stopper portion along the width direction of the first end plate, and semi-surround the nearest antenna rod.

[0019] The beneficial effect of the photographic equipment network communication device provided by the present application is that compared with the prior art, when the photographic equipment network communication device of the present application is assembled, the electronic device is arranged in the shell, on the first end plate or the second end plate, and the first end plate and the second end plate are respectively sealed on the two open ends of the shell, and when the first sealing ring is clamped between the first inclined surface and the first step surface, the surface of the first sealing ring in contact with the first inclined surface is also tilted, and the first sealing ring is in contact with the two side surfaces of the first step surface, which is beneficial to improve the sealing between the first end plate and the shell, and when the second sealing ring is clamped between the second inclined surface and the second step surface, the surface of the second sealing ring in contact with the second inclined surface is also tilted, and the second sealing ring is in contact with the two side surfaces of the second step surface, which is beneficial to improve the sealing between the second end plate and the shell, and then it is beneficial to improve the overall waterproof performance of the shell, so that the shell is not easy to get water and moisture, and can better protect the electronic devices, which is beneficial to extend the service life of the photographic equipment network communication device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 A schematic cross-sectional view of a photographic equipment network communication device provided in an embodiment of the present application;

[0022] Figure 2 for Figure 1 A is an enlarged structural diagram;

[0023] Figure 3 for Figure 1 The enlarged structural diagram at B in FIG.

[0024] Figure 4 A schematic diagram of the three-dimensional structure of a photographic equipment network communication device provided in an embodiment of the present application;

[0025] Figure 5 Schematic diagram of the exploded structure of the photographic equipment network communication device provided in the embodiment of the present application Figure 1 ;

[0026] Figure 6 Schematic diagram of the exploded structure of the photographic equipment network communication device provided in the embodiment of the present application Figure 2 ;

[0027] Figure 7 A schematic diagram of the three-dimensional structure of the wiring terminal provided in an embodiment of the present application.

[0028] Description of main reference numerals:

[0029] 10. Shell; 11. Shell; 111. First inclined surface; 112. Second inclined surface; 113. Avoidance; 114. Socket; 115. Wiring port; 116. Ring plate; 12. First end plate; 121. First step surface; 122. First groove; 13. Second end plate; 131. Second step surface; 132. Second groove; 20. First sealing ring; 30. Second sealing ring; 40. Electronic device; 50. Power socket; 60. Waterproof membrane; 70. Terminal block; 71. Boss surface; 72. Sealing strip; 80. Antenna pole; 90. Block; 91. Retaining portion; 92. Lug. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0031] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0032] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0034] Please also read Figures 1 to 7 Now, the photographic equipment network communication device provided in the embodiment of the present application is described. The photographic equipment network communication device is used for network communication of photographic equipment, wherein the photographic equipment may be a camera or a photographic light.

[0035] See also Figures 1 to 3 The photographic equipment network communication device includes a housing 10, a first sealing ring 20, a second sealing ring 30 and an electronic device 40.

[0036] The housing 10 includes a housing 11 with two open ends, and a first end plate 12 and a second end plate 13 respectively sealed at the two open ends of the housing 11. The two open ends of the housing 11 are respectively provided with a first inclined surface 111 and a second inclined surface 112. The edge of the first end plate 12 is provided with a first step surface 121 corresponding to the first inclined surface 111, and the edge of the second end plate 13 is provided with a second step surface 131 corresponding to the second inclined surface 112. The first sealing ring 20 is clamped between the first inclined surface 111 and the first step surface 121. The second sealing ring 30 is clamped between the second inclined surface 112 and the second step surface 131. The electronic device 40 is arranged in the housing 10.

[0037] The shell 11 is a hollow structure with two open ends. Optionally, the shell 11 is a rectangular flat shape, and the two ends of the shell 11 along its width direction are open ends.

[0038] In some embodiments, the first inclined surface 111 is disposed in an open end of the shell 11 and is inclined toward the first end plate 12. The second inclined surface 112 is disposed in the other open end of the shell 11 and is inclined toward the second end plate 13. During assembly, an open end of the shell 11 is sleeved on the first end plate 12, the first step surface 121 is corresponding to the first inclined surface 111, the first sealing ring 20 is pressed between the first inclined surface 111 and the first step surface 121, the other open end of the shell 11 is sleeved on the second end plate 13, the second step surface 131 is corresponding to the second inclined surface 112, and the second sealing ring 30 is pressed between the second inclined surface 112 and the second step surface 131.

[0039] In other embodiments, the first inclined surface 111 is disposed outside an open end of the shell 11 and is inclined toward the first end plate 12, and the second inclined surface 112 is disposed outside the other open end of the shell 11 and is inclined toward the second end plate 13. During assembly, the first end plate 12 is sleeved on an open end of the shell 11, the first step surface 121 is corresponding to the first inclined surface 111, the first sealing ring 20 is pressed between the first inclined surface 111 and the first step surface 121, the second end plate 13 is sleeved on the other open end of the shell 11, the second step surface 131 is corresponding to the second inclined surface 112, and the second sealing ring 30 is pressed between the second inclined surface 112 and the second step surface 131.

[0040] The first sealing ring 20 and the second sealing ring 30 are both flexible rings. Optionally, the material of the first sealing ring 20 and the second sealing ring 30 includes but is not limited to rubber and silicone, wherein the rubber can be nitrile rubber, polyurethane rubber, hydrogenated nitrile rubber, fluororubber or EPDM rubber.

[0041] Compared with the prior art, the photographic equipment network communication device provided by the present application is that when the photographic equipment network communication device of the present application is assembled, the electronic device 40 is arranged in the shell 11, on the first end plate 12 or the second end plate 13, and the first end plate 12 and the second end plate 13 are respectively blocked at the two open ends of the shell 11. When the first sealing ring 20 is clamped between the first inclined surface 111 and the first step surface 121, the surface of the first sealing ring 20 in contact with the first inclined surface 111 is also inclined. The first sealing ring 20 contacts the two side surfaces of the first step surface 121, which is conducive to improving the first The sealing between the end plate 12 and the shell 11, when the second sealing ring 30 is clamped between the second inclined surface 112 and the second step surface 131, the surface of the second sealing ring 30 in contact with the second inclined surface 112 is also inclined, and the second sealing ring 30 is in contact with the two side surfaces of the second step surface 131, which is beneficial to improve the sealing between the second end plate 13 and the shell 11, and further beneficial to improve the overall waterproof performance of the outer shell 10, so that the outer shell 10 is not easily infiltrated with water and moisture, and can better protect the electronic device 40, which is beneficial to extend the service life of photographic equipment and network communication equipment.

[0042] In one embodiment of the present application, see Figure 1 The first inclined surface 111 is arranged along the circumference of an open end of the shell 11 , and the first step surface 121 is arranged along the circumference of the first end plate 12 .

[0043] Optionally, the contour of the first inclined surface 111 along the circumference of the housing 11 is in a rectangular ring shape, and the contour of the first step surface 121 is adapted to the contour of the first inclined surface, that is, the contour of the first step surface 121 along the circumference of the first end plate 12 is also in a rectangular ring shape. Of course, in other embodiments, the contour of the first inclined surface 111 along the circumference of the housing 11 may also be in other shapes, such as a circular ring or an irregular ring, and similarly, the contour of the first step surface 121 along the circumference of the first end plate 12 may also be in other shapes, such as a circular ring or an irregular ring, etc.

[0044] By arranging the first inclined surface 111 along the circumference of an open end of the shell 11 and the first step surface 121 along the circumference of the first end plate 12, it is beneficial to increase the contact area between the first inclined surface 111 and the first sealing ring 20, and the first step surface 121 and the first sealing ring 20, which is beneficial to improve the sealing between the first end plate 12 and the shell 11.

[0045] The second inclined surface 112 is disposed along the circumference of the other open end of the housing 11 , and the second step surface 131 is disposed along the circumference of the second end plate 13 .

[0046] Optionally, the profile of the second inclined surface 112 along the circumference of the housing 11 is in the shape of a rectangular ring, and the profile of the second step surface 131 matches the profile of the second inclined surface, that is, the profile of the second step surface 131 along the circumference of the second end plate 13 is also in the shape of a rectangular ring. Of course, in other embodiments, the profile of the second inclined surface 112 along the circumference of the housing 11 may also be in other shapes, such as a circular ring or an irregular ring, and similarly, the profile of the second step surface 131 along the circumference of the second end plate 13 may also be in other shapes, such as a circular ring or an irregular ring, etc.

[0047] By arranging the second inclined surface 112 along the circumference of the other open end of the shell 11 and the second step surface 131 along the circumference of the second end plate 13, it is beneficial to increase the contact area between the second inclined surface 112 and the second sealing ring 30, and the second step surface 131 and the second sealing ring 30, which is beneficial to improve the sealing between the second end plate 13 and the shell 11.

[0048] In one embodiment of the present application, see Figure 2 The first end plate 12 is provided with a first groove 122 , the first groove 122 penetrates the first step surface 121 , and a portion of the first sealing ring 20 is accommodated in the first groove 122 .

[0049] Specifically, a portion of the first sealing ring 20 is accommodated in the first groove 122 , and another portion of the first sealing ring 20 protrudes out of the first groove 122 to contact the first inclined surface 111 .

[0050] Optionally, there may be various ways to fix the first sealing ring 20 in the first groove 122 . For example, the first sealing ring 20 may be clamped in the first groove 122 or may be glued in the first groove 122 .

[0051] By partially accommodating the first sealing ring 20 in the first groove 122 , the stability of the first sealing ring 20 disposed between the first inclined surface 111 and the first step surface 121 is improved, and the first sealing ring 20 is effectively prevented from deflecting.

[0052] See also Figure 3 The second end plate 13 is provided with a second groove 132 , the second groove 132 penetrates the second step surface 131 , and a part of the second sealing ring 30 is accommodated in the second groove 132 .

[0053] Specifically, a portion of the second sealing ring 30 is accommodated in the second groove 132 , and another portion of the second sealing ring 30 protrudes out of the second groove 132 to contact the second inclined surface 112 .

[0054] Optionally, there may be various ways to fix the second sealing ring 30 in the second groove 132 . For example, the second sealing ring 30 may be clamped in the second groove 132 or may be glued in the second groove 132 .

[0055] By partially accommodating the second sealing ring 30 in the second groove 132 , the stability of the second sealing ring 30 disposed between the second inclined surface 112 and the second step surface 131 is improved, and the second sealing ring 30 is effectively prevented from deflecting.

[0056] In one embodiment of the present application, see Figure 4 and Figure 5 The shell 11 is provided with an avoidance opening 113 and a socket 114 . The photographic equipment network communication device also includes a power socket 50 and a waterproof membrane 60 . The power socket 50 is inserted into the socket 114 . The waterproof membrane 60 is sealed in the avoidance opening 113 and the gap between the power socket 50 and the inner wall of the socket 114 .

[0057] The avoidance opening 113 and the insertion opening 114 are arranged on the same side of the housing 11 and are arranged adjacent to each other.

[0058] Specifically, when the housing 11 is made of metal, the position where the Bluetooth antenna is installed in the housing 11 needs to be avoided to prevent the housing 11 from interfering with the signal transmission of the Bluetooth antenna, so that the housing 11 is provided with a avoidance opening 113 at the position corresponding to the Bluetooth antenna. The power socket 50 is used to connect to the mains, so that the electronic device 40 in the housing 10 is powered on.

[0059] The waterproof membrane 60 is used to seal the gap between the avoidance opening 113 and the inner wall of the power socket 50 and the socket 114, thereby effectively preventing external water molecules from entering the housing 11 through the gap between the avoidance opening 113, the power socket 50 and the inner wall of the socket 114.

[0060] In one embodiment of the present application, see Figure 4 and Figure 6 The housing 11 is also provided with a wiring port 115 , and the photographic equipment network communication device further includes a wiring terminal 70 , which is inserted into the wiring port 115 and sealed with the wiring port 115 .

[0061] There are multiple wiring terminals 70, and the multiple wiring terminals 70 are arranged at intervals on the housing 11, and the number of wiring ports 115 is set according to the number of wiring terminals 70. Optionally, there are seven wiring terminals 70, five of which are arranged at intervals on one side of the housing 11 along the length direction of the housing 11, and the other two wiring terminals 70 are arranged at intervals on the other side of the housing 11 along the length direction of the housing 11.

[0062] By inserting the connection terminal 70 into the connection port 115 and sealing with the connection port 115 , external water molecules are effectively prevented from penetrating into the housing 11 through the gap between the connection terminal 70 and the connection port 115 .

[0063] Specifically, see Figure 6 and Figure 7 The inner side wall of the connection port 115 is provided with a ring plate 116 , and the connection terminal 70 is formed with a boss surface 71 facing the ring plate 116 . The boss surface 71 is provided with a sealing strip 72 , and the sealing strip 72 is in sealing contact with the ring plate 116 .

[0064] Optionally, the ring plate 116 is integrally formed with the housing 11, which effectively ensures the sealing between the ring plate 116 and the housing 11, and has low production cost. The sealing strip 72 is a silicone gasket, and is integrally formed on the boss surface 71, which effectively prevents the sealing strip 72 from falling off.

[0065] Furthermore, a groove is provided on the ring plate 116, and the sealing strip 72 is clamped in the groove.

[0066] When the terminal block 70 is inserted into the wiring port 115, part of the terminal block 70 is inserted through the ring plate 116, the boss surface 71 fits with the side of the ring plate 116 facing outside the shell 11, and the sealing strip 72 is clamped between the boss surface 71 and the ring plate 116, which effectively enhances the sealing between the boss surface 71 and the ring plate 116, thereby facilitating enhancing the sealing between the terminal block 70 and the shell 11.

[0067] In one embodiment of the present application, see Figure 5 and Figure 6 The first end plate 12 is provided with blocks 90 at both ends along its length direction. The photographic equipment network communication device also includes a plurality of antenna rods 80, which are arranged on the first end plate 12 at intervals along the length direction of the first end plate 12 and are located between the two blocks 90.

[0068] There are many ways to set the stopper 90 on the first end plate 12. For example, the stopper 90 is connected to the first end plate 12 by screws, or the stopper 90 and the first end plate 12 are integrally formed.

[0069] Optionally, the number of antenna rods 80 is five, and the five antenna rods 80 are evenly spaced along the length direction of the first end plate 12, and one end of the antenna rod 80 is sealed and connected to the first end plate 12. The antenna rod 80 is used to transmit and receive wireless signals to help the photographic equipment network communication device forward the broadband network signal to the nearby wireless network device, thereby providing wireless network coverage.

[0070] The stopper 90 is used to protect the antenna rod 80 at the end of the first end plate 12 from being hit by external objects and being skewed or damaged. Specifically, since the antenna rod 80 at the end of the first end plate 12 is easily hit by external objects, by providing the stopper 90 at both ends of the first end plate 12 along its own length direction, and arranging multiple antenna rods 80 between the two stoppers 90, the antenna rod 80 at the end of the first end plate 12 is effectively prevented from being hit by external objects and being skewed or damaged, thereby effectively ensuring the stability of the operation of the photographic equipment network communication device.

[0071] Specifically, the stopper 90 includes a stopper 91 and two lugs 92 . The stopper 91 is connected to the end of the first end plate 12 . The two lugs 92 are respectively connected to both ends of the stopper 91 along the width direction of the first end plate 12 and semi-surround the nearest antenna rod 80 .

[0072] The lug 92 protrudes out of the blocking portion 91 in a direction away from the first end plate 12 .

[0073] Optionally, the two lugs 92 are integrally formed with the blocking portion 91 .

[0074] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A photographic equipment network communication device, characterized in that: include: A shell (10), the shell (10) comprising a shell (11) with two open ends, and a first end plate (12) and a second end plate (13) respectively sealed at the two open ends of the shell (11), the two open ends of the shell (11) are respectively provided with a first inclined surface (111) and a second inclined surface (112), the edge of the first end plate (12) is provided with a first step surface (121) corresponding to the first inclined surface (111), and the edge of the second end plate (13) is provided with a second step surface (131) corresponding to the second inclined surface (112); A first sealing ring (20), wherein the first sealing ring (20) is clamped between the first inclined surface (111) and the first step surface (121); a second sealing ring (30), the second sealing ring (30) being clamped between the second inclined surface (112) and the second step surface (131); and An electronic device (40) is arranged in the housing (10).

2. The photographic equipment network communication device according to claim 1, characterized in that: The first inclined surface (111) is arranged along the circumference of an open end of the shell (11), and the first step surface (121) is arranged along the circumference of the first end plate (12).

3. The photographic equipment network communication device according to claim 1, characterized in that: The second inclined surface (112) is arranged along the circumference of the other open end of the shell (11), and the second step surface (131) is arranged along the circumference of the second end plate (13).

4. The photographic equipment network communication device according to claim 1, characterized in that: The first end plate (12) is provided with a first groove (122), the first groove (122) runs through the first step surface (121), and a portion of the first sealing ring (20) is accommodated in the first groove (122).

5. The photographic equipment network communication device according to claim 1, characterized in that: The second end plate (13) is provided with a second groove (132), the second groove (132) runs through the second step surface (131), and a portion of the second sealing ring (30) is accommodated in the second groove (132).

6. The photographic equipment network communication device according to any one of claims 1 to 5, characterized in that: The shell (11) is provided with an escape opening (113) and a socket (114), and the photographic equipment network communication device also includes a power socket (50) and a waterproof membrane (60), the power socket (50) is inserted into the socket (114), and the waterproof membrane (60) is sealed in the escape opening (113) and the gap between the power socket (50) and the inner wall of the socket (114).

7. The photographic equipment network communication device according to any one of claims 1 to 5, characterized in that: The housing (11) is also provided with a wiring port (115), and the photographic equipment network communication device also includes a wiring terminal (70), and the wiring terminal (70) is inserted into the wiring port (115) and is sealed with the wiring port (115).

8. The photographic equipment network communication device according to claim 7, characterized in that: The inner side wall of the wiring port (115) is provided with a ring plate (116), the wiring terminal (70) is formed with a boss surface (71) arranged toward the ring plate (116), the boss surface (71) is provided with a sealing strip (72), and the sealing strip (72) is in sealing contact with the ring plate (116).

9. The photographic equipment network communication device according to any one of claims 1 to 5, characterized in that: The first end plate (12) is provided with blocks (90) at both ends along its length direction. The photographic equipment network communication device also includes a plurality of antenna rods (80). The plurality of antenna rods (80) are arranged on the first end plate (12) at intervals along the length direction of the first end plate (12) and are located between the two blocks (90).

10. The photographic equipment network communication device according to claim 9, characterized in that: The stopper (90) comprises a stopper (91) and two lugs (92); the stopper (91) is connected to the end of the first end plate (12); the two lugs (92) are respectively connected to the two ends of the stopper (91) along the width direction of the first end plate (12) and semi-enclose the nearest antenna rod (80).

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