Waterproof board end connector type box antenna

Abstract

The utility model provides a waterproof board end connector type box antenna, which relates to the technical field of waterproof box antennas, and comprises two shells, the two shells are connected in a sealing manner, an accommodating space is formed in the two shells, a printed circuit board is arranged in the accommodating space, an antenna module is arranged on the printed circuit board, and the antenna module is connected with the two shells. A cylindrical shell is integrally formed on the outer side of one shell in an injection molding mode. The electric connection assembly comprises a cylindrical outer conductor, an insulator and a central conductor, the insulator and the central conductor are sequentially arranged in the outer conductor, the electric connection assembly is arranged in the cylindrical shell to form a board end connector, and the outer conductor and the central conductor are connected with the printed circuit board; the waterproof board end connector type box antenna solves the problems that in the prior art, a waterproof board end connector type box antenna adopts an integral board end connector to be connected on a box in a sealed mode, so that the process difficulty and the manufacturing cost are high, and the sealing reliability is poor.

Description

TECHNICAL FIELD

[0001] The utility model belongs to waterproof box antenna technical field, more specifically, relate to a waterproof board end connector formula box antenna. BACKGROUND

[0002] The waterproof board end connector formula box antenna of current existing waterproof board end connector formula box antenna is mostly adopt integral board end connector type, and the board end connector is sealed waterproof through the mode of gluing with the box, or the board end connector is provided with O type ring, and the sealing waterproof function is realized through the interference pressure of upper and lower covers and O type ring. These ways are limited by the selection of glue and the relatively complex process requirements on one hand, and are limited by different O type ring materials and different pressure interference amount design on the other hand. The cost of the above two prior arts is also higher, and the competitive market environment cannot be met. CONTENT OF UTILITY MODEL

[0003] The utility model discloses a waterproof board end connector formula box antenna, and solves the problems of high process difficulty and manufacturing cost and poor sealing reliability caused by the sealing connection of the integral board end connector of the waterproof board end connector formula box antenna in the prior art.

[0004] In order to realize the above-mentioned purpose, the utility model provides a waterproof board end connector formula box antenna, which comprises:

[0005] Two housings are sealingly connected and form an accommodating space inside the two housings, a printed circuit board is arranged in the accommodating space, and a cylindrical shell is integrally injection molded on the outside of one of the housings.

[0006] An electrical connection assembly comprises an outer conductor in the form of a cylinder and an insulator and a center conductor arranged in the outer conductor in sequence, the electrical connection assembly is arranged in the cylindrical shell to form a board end connector, and the outer conductor and the center conductor are connected with the printed circuit board.

[0007] Optionally, a grounding sheet is further included, a first end of the grounding sheet is connected with the outer conductor, a second end of the grounding sheet is connected with the printed circuit board, and part of the grounding sheet is embedded in the housing where the cylindrical shell is located.

[0008] Optionally, a first mounting portion is arranged on the outside of at least one of the housings, and the first mounting portion is used for fixing the waterproof board end connector formula box antenna.

[0009] Optionally, the two housings are both in the form of a box with one open side, and the two housings are welded.

[0010] Optionally, the shell body in which the cylindrical shell is located is provided with a second mounting portion, and the printed circuit board is mounted on the second mounting portion.

[0011] Optionally, the center conductor is provided with a bending portion at one end inside the shell body.

[0012] Optionally, the grounding sheet comprises a plate-shaped portion, and a first connecting portion and a second connecting portion integrally formed on the plate-shaped portion and bent towards one side of the plate-shaped portion, the first connecting portion being the first end and being riveted and connected with the electrical connection assembly, and the second connecting portion being the second end and being welded with the printed circuit board.

[0013] Optionally, the shell body is made of plastic.

[0014] The waterproof plate end connector type box antenna has the advantages that the waterproof plate end connector type box antenna does not adopt an integral plate end connector to be mounted on the shell body, but adopts an electrical connection assembly to be injection molded in the cylindrical shell to form the plate end connector, the cylindrical shell is integrally injection molded with one of the shell bodies, has reliable waterproof effect, and does not need to be glued or provided with a sealing ring, so that the process difficulty and manufacturing cost can be reduced.

[0015] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the several views, and wherein exemplary embodiments of the present application are shown.

[0017] Figure 1 An exploded structural schematic view of a waterproof plate end connector type box antenna according to one embodiment of the present application is shown.

[0018] Figure 2 A schematic view of an electrical connection assembly of a waterproof plate end connector type box antenna according to one embodiment of the present application is shown.

[0019] Figure 3 A schematic view of the connection between an electrical connection assembly and a grounding sheet of a waterproof plate end connector type box antenna according to one embodiment of the present application is shown.

[0020] Figure 4 A schematic view of the connection between an electrical connection assembly and a grounding sheet of a waterproof plate end connector type box antenna according to one embodiment of the present application is shown.

[0021] Figure 5 Fig. 1 shows a structure schematic diagram of a lower shell of a waterproof plate end connector type box antenna according to an embodiment of the present application.

[0022] Mark explanation:

[0023] 1, lower shell; 2, upper shell; 3, printed circuit board; 4, cylindrical shell; 5, electrical connection assembly; 6, outer conductor; 7, insulator; 8, center conductor; 9, ground sheet; 10, first connecting part; 11, second connecting part; 12, first mounting part; 13, second mounting part; 14, bending part; 15, flat plate part; 16, riveting section. Specific implementation

[0024] The preferred embodiments of the present application will be described in more detail below. Although the preferred embodiments of the present application are described below, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0025] As shown in Figures 1 to 5 The present application provides a waterproof plate end connector type box antenna, which comprises:

[0026] Two shells, the two shells are sealingly connected and form an accommodating space inside the two shells, a printed circuit board 3 is arranged in the accommodating space, and an antenna module is arranged on the printed circuit board 3, and a cylindrical shell 4 is integrally injection molded on the outer side of one of the shells;

[0027] An electrical connection assembly 5, the electrical connection assembly 5 comprises a cylindrical outer conductor 6 and an insulator 7 and a center conductor 8 arranged in the inner part of the outer conductor 6 in sequence, the electrical connection assembly 5 is arranged in the cylindrical shell 4 to form a plate end connector, and the outer conductor 6 and the center conductor 8 are connected with the printed circuit board 3.

[0028] Specifically, to solve the problems of high process difficulty and manufacturing cost and poor sealing reliability caused by the sealing connection of the whole plate end connector on the box of the waterproof plate end connector type box antenna in the prior art, the waterproof plate end connector type box antenna provided by the present application does not use the whole plate end connector to be mounted on the shell, but uses the electrical connection assembly 5 to be injection molded in the cylindrical shell 4 to form the plate end connector, the cylindrical shell 4 is integrally injection molded and connected with one of the shells, and naturally has reliable waterproof effect, and does not need to be glued or provided with a sealing ring, so that the process difficulty and manufacturing cost can be reduced.

[0029] Optionally, a grounding sheet 9 is further included, a first end of the grounding sheet 9 is connected with the outer conductor 6, a second end of the grounding sheet 9 is connected with the printed circuit board 3, and part of the grounding sheet 9 is embedded in the shell in which the cylindrical shell 4 is located.

[0030] Specifically, the grounding sheet 9 can be injection molded in the shell in which the cylindrical shell 4 is located, and the first end and the second end thereof are exposed and connected with the outer conductor 6 and the printed circuit board 3 respectively, thereby reducing the difficulty of manufacturing and assembling.

[0031] Optionally, an outer side of at least one shell is provided with a first mounting portion 12 for fixing the waterproof plate end connector type box antenna.

[0032] Specifically, the first mounting portion 12 can be a connecting lug integrally formed on the shell, and a first mounting hole is formed on the connecting lug for mounting the waterproof plate end connector type box antenna.

[0033] In the embodiment, the two shells are a lower shell 1 and an upper shell 2 respectively, the cylindrical shell 4 is arranged in the lower shell 1, and the printed circuit board 3 is also arranged in the lower shell 1.

[0034] Optionally, the two shells are both box-shaped structures with one side open, and the two shells are welded.

[0035] Specifically, the two box-shaped shell structures are buckled, and the sealing connection of the two is realized by welding, thereby simplifying the assembly and improving the waterproof effect.

[0036] Optionally, a second mounting portion 13 is arranged in the shell in which the cylindrical shell 4 is located, and the printed circuit board 3 is arranged on the second mounting portion 13.

[0037] Specifically, the second mounting portion 13 can be a mounting column integrally formed in the interior of the shell, and a second mounting hole is formed in the interior of the mounting column to facilitate supporting and mounting the printed circuit board 3.

[0038] In the embodiment, the printed circuit board 3 is a PCBA.

[0039] Optionally, one end of the center conductor 8 inside the shell is provided with a bending portion 14.

[0040] Specifically, as shown in Figure 2 the electrical connection assembly 5 is an integral member and can be directly purchased, the outer conductor 6, the insulator 7 and the center conductor 8 of the electrical connection assembly 5 form an integral connection, and the outer conductor 6 has a waterproof function; the bending portion 14 on the center conductor 8 is bent towards the printed circuit board 3, thereby facilitating connection with the printed circuit board 3.

[0041] In the embodiment, the first end and the second end of the grounding sheet 9 are welded with the grounding connection portion and the signal connection portion of the printed circuit board 3 respectively.

[0042] Optionally, the grounding sheet 9 comprises a plate-shaped portion, and a first connecting portion 10 and a second connecting portion 11 integrally formed on the plate-shaped portion and bent towards one side of the plate-shaped portion, the first connecting portion 10 is a first end and is rivet-press connected with the electric connecting assembly 5, and the second connecting portion 11 is a second end and is welded with the printed circuit board 3.

[0043] Specifically, as shown in Figure 3 and Figure 4 , the grounding sheet 9 can be processed by a plate bending process, the first connecting portion 10 and the second connecting portion 11 are bent upwards, a rivet hole is formed on the first connecting portion 10, the rivet hole is rivet-press connected with the rivet section 16 of the electric connecting assembly 5, the rivet section 16 is conductively connected with the outer conductor 6, the outer end of the second connecting portion 11 can be inserted into the printed circuit board 3 and connected therewith, and the flat plate portion 15 is embedded in the injection molding material of the shell.

[0044] Optionally, the shell is made of plastic material.

[0045] Specifically, the shell can be made by an injection molding process.

[0046] In the embodiment, as shown in Figure 5 , the electric connecting assembly 5 connected with the grounding sheet 9 is integrally injection molded in the lower shell 1 when the shell is injection molded, so that at least part of the grounding sheet 9 is inside the injection molding material of the shell, and the second connecting portion 11 is exposed to be connected with the printed circuit board 3.

[0047] The waterproof plate end connector type box antenna provided by the utility model is manufactured by the following method:

[0048] An integral electric connecting assembly 5 is obtained;

[0049] An end of the electric connecting assembly 5 is connected with the grounding sheet 9;

[0050] A shell with a cylindrical shell 4 is formed by injection molding, and the electric connecting assembly 5 connected with the grounding sheet 9 is injection molded in the cylindrical shell 4;

[0051] Another shell is formed by injection molding;

[0052] The printed circuit board 3 is installed, and the two shells are sealingly connected.

[0053] Specifically, the integral electric connection assembly 5 can be directly purchased or self-processed, the grounding sheet 9 can be connected to one end of the electric connection assembly 5 through riveting and make it electrically conductive with the outer conductor 6, when the shell is injection molded, the electric connection assembly 5 connected with the grounding sheet 9 is put in, the electric connection assembly 5 connected with the grounding sheet 9 is injection molded in the shell, so that the electric connection interval is in the cylindrical shell 4, the board end connector is formed, and at least part of the grounding sheet 9 is in the injection molding material of the shell, so that the second end is exposed to connect with the printed circuit board 3, after the printed circuit board 3 is installed, the other shell is sealed and connected with the shell to form the waterproof board end connector type box antenna. The whole manufacturing process does not use the method of gluing or setting a sealing ring to ensure the sealing connection of the board end connector and the shell, but uses the method of injection molding the electric connection assembly 5 in the cylindrical shell 4 to form the board end connector, and the cylindrical shell 4 is integrally injection molded and connected with one of the shells, which not only has reliable waterproof effect, but also can reduce the process difficulty and manufacturing cost.

[0054] Optionally, installing the printed circuit board 3 and then sealing and connecting the two shells include:

[0055] Installing the printed circuit board 3 in the shell where the cylindrical shell 4 is located;

[0056] Connecting the grounding sheet 9 and the center conductor 8 with the printed circuit board 3;

[0057] Sealing and connecting the two shells through ultrasonic welding.

[0058] In summary, when the waterproof board end connector type box antenna is manufactured, the integral electric connection assembly 5 is riveted with the grounding sheet 9 to form a semi-finished product of the board end connector, the semi-finished product is injection molded through the insert mold to form a shell with the board end connector after injection molding, the PCBA is locked to the shell with the board end connector through screws, the first end and the second end of the grounding sheet 9 are connected to the PCBA, and the other injection molded shell is sealed and connected through ultrasonic welding, so that the waterproof function of the waterproof board end connector type box antenna can be realized.

[0059] The above has described the embodiments of the utility model, the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A waterproof board end connector type box antenna, characterized by, The waterproof plate end connector type box antenna comprises two housings, two housings are sealingly connected, and a containing space is formed inside the two housings, a printed circuit board is arranged in the containing space, an antenna module is arranged on the printed circuit board, and a cylindrical shell is integrally injection molded on the outer side of one of the housings. The waterproof plate end connector type box antenna further comprises an electrical connection assembly, the electrical connection assembly comprises a cylindrical outer conductor and an insulator and a center conductor arranged in the outer conductor in sequence, the electrical connection assembly is injection molded in the cylindrical shell to form a plate end connector, and the outer conductor and the center conductor are connected with the printed circuit board. The waterproof plate end connector type box antenna further comprises a grounding sheet, a first end of the grounding sheet is connected with the outer conductor, a second end of the grounding sheet is connected with the printed circuit board, and part of the grounding sheet is embedded in the housing where the cylindrical shell is located.

2. The waterproof board end connector type box antenna according to claim 1, characterized by, The outer side of at least one of the housings is provided with a first mounting portion for fixing the waterproof plate end connector type box antenna.

3. The waterproof board end connector type box antenna according to claim 1, characterized by, Both of the two housings are box-shaped structures with one side open, and the two housings are welded.

4. The waterproof board end connector type box antenna according to claim 1, characterized by, The housing where the cylindrical shell is located is provided with a second mounting portion, and the printed circuit board is mounted on the second mounting portion.

5. The waterproof board end connector type box antenna according to claim 1, wherein One end of the center conductor inside the housing is provided with a bending portion.

6. The waterproof board end connector type box antenna according to claim 1, wherein The grounding sheet comprises a plate-shaped portion, a first connecting portion and a second connecting portion which are integrally formed on the plate-shaped portion and are bent towards one side of the plate-shaped portion, the first connecting portion is the first end and is riveted and connected with the electrical connection assembly, and the second connecting portion is the second end and is welded with the printed circuit board.

7. The waterproof board end connector type box antenna according to claim 2, wherein The housing is made of plastic.

8. The waterproof board end connector type box antenna according to claim 1, characterized by, ​

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