Automobile direct-current pile 4G combined antenna convenient to combine and install

Abstract

The utility model belongs to the technical field of combined antennas, and discloses an automobile DC pile 4G combined antenna convenient to combine and install, which comprises an external threaded pipe, one end of the external threaded pipe is communicated with an inner cavity of a face shell, a PCB is installed in the face shell, the PCB is connected with an antenna combination body, and the antenna combination body penetrates out of the inner cavity of the external threaded pipe; the external thread pipe is in threaded connection with a nut, and a clamping space is formed between the nut and the face shell. According to the utility model, the clamping distance can be adjusted only through screwing of the nut, different installation requirements are met, the installation structure is simple and effective, and a plurality of antennas are dispersed mutually after penetrating out of the inner cavity of the external threaded pipe, so that mutual interference among the antennas can be avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of combined antennas, and in particular relates to a car DC pile 4G combined antenna which is easy to combine and install. Background Art

[0002] Car charging station products have the characteristics of multiple antennas (4G 2X2 MIMO, GPS / BDS), multiple frequency bands (698-960MHz, 1561.098MHz, 1575.42MHz, 1710-2690MHz), etc. How to achieve the installation and compatibility of combined antennas in a small space is a big challenge. Utility Model Content

[0003] In view of the problems raised by the above background technology, the purpose of the utility model is to provide a car DC pile 4G combined antenna that is easy to assemble and install.

[0004] In order to achieve the above technical purpose, the technical solution adopted by the utility model is as follows:

[0005] A 4G combined antenna for a DC charging station in a car that is easy to assemble and install, comprising an externally threaded tube, one end of which is connected to the inner cavity of a face shell, a PCB board is installed inside the face shell, the PCB board is connected to an antenna assembly, and the antenna assembly passes through the inner cavity of the externally threaded tube;

[0006] The externally threaded pipe is threadedly connected to a nut, and a clamping space is formed between the nut and the face shell.

[0007] It is further defined that the face shell is connected to double-sided foam adhesive on the side facing the nut. With such a structural design, the double-sided foam adhesive can, on the one hand, prevent the bottom of the face shell from directly contacting the assembly surface and causing crushing damage, and on the other hand, can assist in fixing the face shell on the assembly surface through adhesion.

[0008] It is further defined that the side of the nut facing the surface shell is provided with an outer edge for increasing the contact area. With such a structural design, the outer edge increases the contact area with the assembly surface and improves the stability of the fixation.

[0009] It is further defined that the antenna assembly includes a 4G main antenna, a 4G secondary antenna and a GNSS antenna. With such a structural design, the 4G main antenna, the 4G secondary antenna and the GNSS antenna meet various signal requirements.

[0010] It is further defined that the circumferential surface of the 4G main antenna, the 4G auxiliary antenna and the GNSS antenna is sleeved with a heat shrink tube, and the heat shrink tube is silk-screened with a mark for distinguishing the type. With such a structural design, the heat shrink tube can serve as the most advanced protection on the one hand, and assist the staff to distinguish the antenna types through the mark on the other hand.

[0011] It is further defined that the 4G main antenna, the 4G auxiliary antenna and the GNSS antenna are all provided with cables and connectors. In such a structural design, the cables are used to transmit signals and the connectors are used for transmission matching.

[0012] The beneficial effects of the utility model are as follows: the clamping distance can be adjusted by screwing the nut to meet different installation requirements; the installation structure is simple and effective; and after the multiple antennas pass through the inner cavity of the external threaded tube, they are dispersed from each other to avoid mutual interference between the antennas. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings;

[0014] Figure 1 This is a structural schematic diagram of an embodiment of a car DC pile 4G combined antenna that is easy to assemble and install according to the utility model;

[0015] Figure 2 It is a main left schematic diagram of a nut in an embodiment of a car DC pile 4G combined antenna that is easy to assemble and install in the utility model;

[0016] The main component symbols are described as follows:

[0017] 1. Antenna assembly;

[0018] 2. Heat shrink tubing;

[0019] 3. External threaded pipe;

[0020] 4. Noodle shell;

[0021] 5. Double-sided foam adhesive;

[0022] 6. Nut. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0024] like Figure 1-2 As shown, the utility model is a car DC pile 4G combined antenna that is easy to assemble and install, including an external threaded tube 3, one end of the external threaded tube 3 is connected to the inner cavity of the surface shell 4, a PCB board is installed inside the surface shell 4, the PCB board is connected to the antenna assembly 1, and the antenna assembly 1 passes through the inner cavity of the external threaded tube 3;

[0025] The external threaded pipe 3 is threadedly connected to the nut 6, and a clamping space is formed between the nut 6 and the surface shell 4.

[0026] In this embodiment:

[0027] The antenna assembly 1 includes a plurality of antennas, which pass through the inner cavity of the externally threaded tube 3 and are dispersed from each other, thereby avoiding mutual interference between the antennas;

[0028] During installation, the external threaded tube 3 is inserted into the installation hole, one end of the external threaded tube 3 is limited by the face shell 4, and the other end is limited by the nut 6. The nut 6 cooperates with the external threaded tube 3 to adjust the distance between the face shell 4, so as to adapt to different clamping thicknesses;

[0029] The utility model can adjust the clamping distance by screwing the nut 6 to meet different installation requirements. The installation structure is simple and effective. After the multiple antennas pass through the inner cavity of the external threaded tube 3, they are dispersed to avoid mutual interference between the antennas.

[0030] Preferably, the side of the cover 4 facing the nut 6 is connected to the double-sided foam adhesive 5. With this structural design, the double-sided foam adhesive 5 can prevent the bottom of the cover 4 from directly contacting the assembly surface and causing crushing damage, and can also assist in fixing the cover 4 on the assembly surface by adhesion. In fact, other auxiliary fixing structures can also be considered according to specific circumstances.

[0031] Preferably, the side of the nut 6 facing the housing 4 is provided with an outer edge for increasing the contact area. With such a structural design, the outer edge increases the contact area with the assembly surface and improves the stability of the fixation. In fact, other structural shapes that increase the contact area can also be considered according to specific circumstances.

[0032] Preferably, the antenna assembly 1 includes a 4G main antenna, a 4G secondary antenna and a GNSS antenna. With this structural design, the 4G main antenna, the 4G secondary antenna and the GNSS antenna meet various signal requirements. In fact, other structural shapes of the antenna assembly 1 can also be considered according to specific circumstances.

[0033] Preferably, the circumferential surface of the 4G main antenna, the 4G auxiliary antenna and the GNSS antenna is covered with a heat shrink tube 2, and the heat shrink tube 2 is silk-screened with a mark for distinguishing the type. With such a structural design, the heat shrink tube 2 can serve as the most protective layer on the one hand, and on the other hand, it can assist the staff to distinguish the antenna type through the mark. In fact, other protective structures can also be considered according to specific circumstances.

[0034] Preferably, the 4G main antenna, the 4G auxiliary antenna and the GNSS antenna are all provided with cables and connectors. In this structural design, the cables are used to transmit signals and the connectors are used for transmission matching. In fact, other structural shapes of the 4G main antenna, the 4G auxiliary antenna and the GNSS antenna can also be considered according to specific circumstances.

[0035] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A car DC pile 4G combined antenna that is easy to assemble and install, characterized by: It comprises an externally threaded tube (3), one end of which is connected to the inner cavity of a housing (4), a PCB board is installed inside the housing (4), the PCB board is connected to an antenna assembly (1), and the antenna assembly (1) passes through the inner cavity of the externally threaded tube (3); The externally threaded tube (3) is threadably connected to a nut (6), and a clamping space is formed between the nut (6) and the surface shell (4).

2. According to claim 1, a car DC pile 4G combined antenna that is easy to assemble and install, characterized in that: The side of the surface shell (4) facing the nut (6) is connected to a double-sided foam adhesive (5).

3. The 4G combined antenna for DC pile of a car that is easy to assemble and install according to claim 1 is characterized by: The side of the nut (6) facing the surface shell (4) is provided with an outer edge for increasing the contact area.

4. The 4G combined antenna for a DC pile in a car that is easy to assemble and install according to claim 1, characterized in that: The antenna assembly (1) comprises a 4G main antenna, a 4G secondary antenna and a GNSS antenna.

5. The 4G combined antenna for DC pile of automobile that is easy to assemble and install according to claim 4 is characterized by: The circumferential surfaces of the 4G main antenna, the 4G auxiliary antenna and the GNSS antenna are sleeved with a heat shrink tube (2), and the heat shrink tube (2) is silk-screened with a mark for distinguishing types.

6. The 4G combined antenna for DC pile of automobile that is easy to assemble and install according to claim 4, characterized in that: The 4G main antenna, the 4G secondary antenna and the GNSS antenna are all provided with cables and connectors.

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