Waterproof device and antenna with same

Abstract

The utility model discloses a waterproof device and an antenna with the waterproof device in the technical field of antennae, the waterproof device comprises a shell, an antenna body is placed in the shell, the shell is provided with a mounting hole, the inner wall of the mounting hole is provided with a first limiting groove, the mounting hole is provided with a first limiting structure, and the first limiting structure is provided with a second limiting groove. A first waterproof plug and / or a second waterproof plug, the outer wall of the first waterproof plug is provided with a first protruding structure matched with the first limiting groove, one side of the first waterproof plug is provided with a first step matched with the first limiting structure, the first waterproof plug is provided with a first cable hole, and the first cable hole is used for allowing a cable to penetrate through in a sealed mode; the second waterproof plug is provided with a second cable hole, and the second cable hole is used for the cable outside the housing to pass through in a sealed manner. The waterproof performance of the antenna in application can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of antennas, in particular to a waterproof device and an antenna with the waterproof device. Background Art

[0002] With the popularization and use of the Global Navigation Satellite System (GNSS), GNSS antennas are applied in more and more environments. In actual application, the environment is divided into dry area and wet area. In order to improve the waterproof performance of the antenna, existing technicians apply sealing glue to the wire outlet of the antenna shell.

[0003] The operating space for applying glue is small, and it is easy for glue to overflow and affect the appearance. In addition, the glue generally takes 6 hours to cure, which has a long curing time, low production efficiency, and is prone to aging.

[0004] Therefore, the present application provides a waterproof device and an antenna having the waterproof device. Utility Model Content

[0005] The utility model aims to provide a waterproof device and an antenna with the waterproof device, which can improve the waterproof performance of the antenna when it is used.

[0006] The purpose of the utility model is achieved by the following technical solutions:

[0007] In one aspect, the utility model provides a waterproof device, comprising:

[0008] A shell, wherein the antenna body is placed in the shell, the shell is provided with a mounting hole, the inner wall of the mounting hole is provided with a first limiting groove, and the mounting hole is provided with a first limiting structure;

[0009] A first waterproof plug and / or a second waterproof plug, wherein the outer wall of the first waterproof plug is provided with a first protruding structure matching the first limiting groove, one side of the first waterproof plug is provided with a first step matching the first limiting structure, and the first waterproof plug is provided with a first cable hole, and the first cable hole is used for sealing and passing the cable;

[0010] The second waterproof plug is provided with a second cable hole, and the second cable hole is used for the cable located outside the housing to pass through in a sealed manner.

[0011] Furthermore, the diameter of the first cable hole is less than or equal to the diameter of the cable.

[0012] Furthermore, the diameter of the second cable hole is smaller than or equal to the diameter of the cable.

[0013] Further, the second waterproof plug includes an upper portion, a middle portion and a lower portion which are arranged in sequence;

[0014] A second limiting groove is provided on the outer side of the middle portion;

[0015] The second limiting groove is close to the lower portion;

[0016] The second limiting groove is used for snapping the external partition.

[0017] Furthermore, a second step is provided on the outer side of the middle portion;

[0018] The second step is close to the upper portion;

[0019] The free end of the second step is bent toward the lower portion for pressing the external partition.

[0020] Furthermore, the angle formed by the upper portion and the lower portion is greater than or equal to 90° and less than or equal to 180°.

[0021] Furthermore, the lower portion is inserted into an opening on an external partition, and an outer diameter of the lower portion is greater than or equal to a diameter of the opening.

[0022] Furthermore, a second protrusion structure is provided on the hole wall of the first cable hole, and the second protrusion structure is used to squeeze the cable;

[0023] Furthermore, a third protrusion structure is provided on the hole wall of the second cable hole, and the third protrusion structure is used for squeezing the cable.

[0024] Furthermore, the first waterproof plug and the second waterproof plug are both made of rubber.

[0025] Further, the housing includes an upper housing and a lower housing that are arranged opposite to each other;

[0026] The upper shell is provided with a human-machine interaction unit, and the human-machine interaction unit is used to connect the antenna;

[0027] The lower shell is used for being installed on an external device.

[0028] Furthermore, the upper shell and the lower shell are welded together.

[0029] In another aspect, the utility model provides an antenna with a waterproof device, comprising:

[0030] A waterproof device as described above;

[0031] An antenna body, the antenna body is disposed in the housing of the waterproof device, the antenna body comprises a shielding cover, an antenna PCB board and a patch antenna which are arranged in sequence, wherein the shielding cover is connected to the lower shell of the housing, and the patch antenna is connected to the upper shell of the housing;

[0032] A cable, wherein the cable passes through the first cable hole and / or the second cable hole, one end of the cable is connected to the antenna PCB board, and the other end of the cable is used to connect to the connector.

[0033] Compared with the prior art, the beneficial effects of the present invention include at least:

[0034] The utility model improves the sealing between the cable and the shell by arranging a waterproof plug, improves the waterproofness when the antenna is used, and can effectively avoid sealing by dispensing glue. It not only reduces the investment in equipment and labor costs, saves glue material costs and assembly costs, greatly improves production efficiency, but also increases product strength and improves product reliability.

[0035] Furthermore, the utility model adopts ultrasonic welding technology to achieve edge sealing of the upper shell and the lower shell, which can avoid the use of glue sealing, thereby improving the sealing strength of the product, shortening the process time, reducing material costs, and reducing assembly costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural schematic diagram of a waterproof device according to an embodiment of the utility model;

[0037] Figure 2 It is a structural schematic diagram of a waterproof device according to an embodiment of the utility model;

[0038] Figure 3 It is an exploded view of a housing and an antenna body of an embodiment of the utility model;

[0039] Figure 4 yes Figure 2 Sectional view of A / A;

[0040] Figure 5 yes Figure 2 Sectional view of B / B;

[0041] Figure 6 This is a schematic diagram of an application scenario of an antenna with a waterproof device according to an embodiment of the utility model;

[0042] Figure 7 yes Figure 6 Sectional view of C / C;

[0043] In the figure: 1. shell; 2. first waterproof plug; 3. second waterproof plug; 4. cable; 5. connector; 9. partition; 11. lower shell; 12. upper shell; 21. first protruding structure; 22. first step; 23. second protruding structure; 31. upper part; 32. middle part; 33. lower part; 61. shielding cover; 62. antenna PCB board; 63 patch antenna; 101. first limiting groove; 102. first limiting structure; 321. second limiting groove; 322. second step; 311. third protruding structure. DETAILED DESCRIPTION

[0044] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided to make the present invention more comprehensive and complete and to fully convey the concepts of example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their repeated description will be omitted.

[0045] The words expressing positions and directions described in the present utility model are all explained by taking the drawings as examples, but they can be changed as needed, and all the changes are included in the protection scope of the present utility model.

[0046] refer to Figure 1 and Figure 2 The utility model provides a waterproof device, which includes: a shell 1, a first waterproof plug 2 and / or a second waterproof plug 3.

[0047] refer to Figure 3 The shell 1 of the utility model is used to place the antenna body.

[0048] In some preferred embodiments, the housing 1 is a regular hexahedron. Figure 3 The housing 1 comprises an upper housing 12 and a lower housing 11 which are arranged opposite to each other. The upper housing 12 is provided with a human-machine interaction unit, which is used to connect the antenna; and the lower housing 11 is used to be installed on an external device, such as a vehicle body.

[0049] When in use, the user can send instructions through a human-computer interaction unit, such as a touch screen, buttons, and other structures; and can receive signals through a display screen or indicator light.

[0050] In some preferred embodiments, the material of the upper shell 12 and the lower shell 11 is PC+ABS, and the plastic particles are firmly combined by ultrasonic equipment, and the upper shell 12 and the lower shell 11 are welded together to achieve the edge sealing of the upper shell 12 and the lower shell 11. Figure 5 , which can avoid the use of glue sealing, can not only improve the sealing of the product, but also shorten the process time.

[0051] refer to Figure 4 The housing 1 of the utility model is provided with a mounting hole, the inner wall of the mounting hole is provided with a first limiting groove 101 , and the outer wall of the first waterproof plug 2 is provided with a first protruding structure 21 matching the first limiting groove 101 .

[0052] When used, multiple groups of the first limiting grooves 101 and the first protruding structures 21 can be provided to improve the fixing effect on the first waterproof plug 2, improve the sealing between the mounting hole and the first waterproof plug 2, and improve the waterproofness of the housing 1.

[0053] refer to Figure 4 The utility model has a first limiting structure 102 on the mounting hole, and a first step 22 matching the first limiting structure 102 is provided on one side of the first waterproof plug 2, which can further improve the sealing between the mounting hole and the first waterproof plug 2 and improve the waterproofness of the shell 1.

[0054] The first waterproof plug 2 of the utility model is provided with a first cable hole for sealingly passing the cable through. The second waterproof plug 3 is provided with a second cable hole for sealingly passing the cable outside the housing 1 through.

[0055] During application, multiple first cable holes and multiple second cable holes can be provided according to actual needs to improve the applicability and practicality of the device.

[0056] In some preferred embodiments, the first waterproof plug 2 and the second waterproof plug 3 are both made of rubber and can be installed by extrusion to improve the sealing and waterproof properties of the device.

[0057] When used, the first waterproof plug 2 and the second waterproof plug 3 are both made of EPDM (Ethylene Propylene Diene Monomer).

[0058] In some preferred embodiments, the aperture of the first cable hole is less than or equal to the diameter of the cable, and the aperture of the second cable hole is less than or equal to the diameter of the cable, so that the first waterproof plug 2 and the second waterproof plug 3 are extruded and sleeved on the cable, which can further improve the sealing between the cable and the shell 1 to help improve the waterproofness of the device.

[0059] In some preferred embodiments, the second waterproof plug 3 includes an upper portion 31, a middle portion 32 and a lower portion 33 arranged in sequence, Figure 7 .

[0060] refer to Figure 7 The lower portion 33 of this embodiment is inserted into an opening on an external partition 9, such as a partition 9 on a vehicle body, and the outer diameter of the lower portion 33 is greater than or equal to the aperture of the opening to improve the sealing between the second waterproof plug 3 and the external partition 9.

[0061] When used, one side of the partition 9 is the internal sealing structure of the vehicle body, that is, the dry area; the other side of the partition 9 is the atmospheric environment, that is, the wet area, refer to Figure 6 .

[0062] refer to Figure 6 In some preferred embodiments, a second limiting groove 321 is provided on the outer side of the middle part 32, and the second limiting groove 321 is close to the lower part 33. The second limiting groove 321 is used to snap the external partition 9 to achieve dry and wet separation, that is, the shell 1, the first waterproof plug 2 and the upper part 31 of the second waterproof plug 3 are in the wet area, which is convenient for human-computer interaction; the lower part 33 of the second waterproof plug 3 is in the dry area, which is convenient for the input end of the cable to connect to the internal system of the vehicle body.

[0063] refer to Figure 6 In some preferred embodiments, a second step 322 is provided on the outer side of the middle portion 32, the second step 322 is close to the upper portion 31, and the free end of the second step 322 is bent toward the lower portion 33, which is used to squeeze the external partition 9 to improve the sealing between the second waterproof plug 3 and the external partition 9, so that the dry area and the wet area do not affect each other.

[0064] In some preferred embodiments, a second protrusion structure 23 is provided on the hole wall of the first cable hole, and the second protrusion structure 23 is used to squeeze the cable; a third protrusion structure 311 is provided on the hole wall of the second cable hole, and the third protrusion structure 311 is used to squeeze the cable.

[0065] When used, multiple second protruding structures 23 and third protruding structures 311 can be provided to improve the fixing effect of the device on the cable, improve the sealing between the waterproof plug and the cable, and improve the waterproofness of the device.

[0066] In some preferred embodiments, the angle formed by the upper portion 31 and the lower portion 33 is greater than or equal to 90° and less than or equal to 180°. Those skilled in the art can make reasonable adjustments according to the needs of the application scenario to improve the applicability and practicality of the device.

[0067] In addition, the utility model also provides an antenna with a waterproof device. The antenna with a waterproof device of the utility model includes the above-mentioned waterproof device, an antenna body, and a cable. Figure 1 .

[0068] The antenna body is disposed in the housing 1 of the waterproof device, and the antenna body includes a shielding cover 61 , an antenna PCB board 62 and a patch antenna 63 which are arranged in sequence.

[0069] When used, the shielding cover 61 is connected to the lower shell 11 of the shell 1 , and the patch antenna 63 is connected to the upper shell 12 of the shell 1 .

[0070] refer to Figure 1 and Figure 2The cable 4 passes through the first cable hole and / or the second cable hole, one end of the cable 4 is connected to the antenna PCB board 62, and the other end of the cable 4 is used to connect to the connector 5.

[0071] When used, the cable 4 is a coaxial cable, and the other end of the cable 4 is used to connect to a FAKRA connector.

[0072] In actual application, the coaxial cable is first passed through the second cable hole of the second waterproof plug 3 and the first cable hole of the first waterproof plug 2 in sequence, and then one end of the coaxial cable is welded together with the shielding cover 61, the antenna PCB board 62 and the patch antenna 63 by heating the tin wire, and then the antenna body is installed into the lower shell 11, and the first waterproof plug 2 is pushed to the first limiting structure 102 corresponding to the mounting hole of the lower shell 11, and the first protruding structure 21 of the first waterproof plug 2 is embedded in the first limiting groove 101 corresponding to the mounting hole of the lower shell 11, and then the upper shell 12 is installed on one side of the patch antenna 63, so that the first limiting structure 102 corresponding to the mounting hole of the upper shell 12 is connected to the first step 22 of the first waterproof plug 2, and the first protruding structure 21 of the first waterproof plug 2 is embedded in the first limiting groove 101 corresponding to the mounting hole of the upper shell 12, and the edge lines of the upper shell 12 and the lower shell 11 are sealed by ultrasonic welding technology.

[0073] In summary, the utility model improves the sealing between the cable and the shell 1 by arranging a waterproof plug, improves the waterproofness when the antenna is used, and can effectively avoid sealing by dispensing glue. It not only reduces the investment in equipment and labor costs, saves glue costs and assembly costs, greatly improves production efficiency, but also increases product strength and improves product reliability.

[0074] Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the utility model. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the utility model without departing from the principles and purpose of the utility model. All of these changes should fall within the scope of protection of the claims of the utility model.

Claims

1. A waterproof device, characterized in that: include: A shell (1), wherein the shell (1) is used to place an antenna body, the shell (1) is provided with a mounting hole, the inner wall of the mounting hole is provided with a first limiting groove (101), and the mounting hole is provided with a first limiting structure (102); a first waterproof plug (2) and / or a second waterproof plug (3), wherein the outer wall of the first waterproof plug (2) is provided with a first protruding structure (21) matching the first limiting groove (101), one side of the first waterproof plug (2) is provided with a first step (22) matching the first limiting structure (102), and the first waterproof plug (2) is provided with a first cable hole, the first cable hole being used for allowing a cable (4) to pass through in a sealed manner; The second waterproof plug (3) is provided with a second cable hole, the second cable hole being used for allowing the cable (4) located outside the housing (1) to pass through in a sealed manner.

2. The waterproof device according to claim 1, characterized in that: The diameter of the first cable hole is less than or equal to the diameter of the cable (4); And / or, the diameter of the second cable hole is less than or equal to the diameter of the cable (4).

3. The waterproof device according to claim 1, characterized in that: The second waterproof plug (3) comprises an upper portion (31), a middle portion (32) and a lower portion (33) which are arranged in sequence; A second limiting groove (321) is provided on the outer side of the middle portion (32); The second limiting groove (321) is close to the lower portion (33); The second limiting groove (321) is used for snapping onto an external partition (9).

4. The waterproof device according to claim 3, characterized in that: A second step (322) is provided on the outer side of the middle portion (32); The second step (322) is close to the upper portion (31); The free end of the second step (322) is bent toward the lower portion (33) and is used to press the external partition (9).

5. The waterproof device according to claim 3, characterized in that: The angle formed by the upper portion (31) and the lower portion (33) is greater than or equal to 90° and less than or equal to 180°.

6. The waterproof device according to claim 3, characterized in that: The lower portion (33) is inserted into an opening on the external partition (9), and the outer diameter of the lower portion (33) is greater than or equal to the aperture of the opening.

7. The waterproof device according to claim 1, characterized in that: A second protruding structure (23) is provided on the hole wall of the first cable hole, and the second protruding structure (23) is used to squeeze the cable (4); And / or, a third protruding structure (311) is provided on the hole wall of the second cable hole, and the third protruding structure (311) is used to squeeze the cable (4).

8. The waterproof device according to claim 1, characterized in that: The first waterproof plug (2) and the second waterproof plug (3) are both made of rubber.

9. The waterproof device according to claim 1, characterized in that: The housing (1) comprises an upper housing (12) and a lower housing (11) which are arranged opposite to each other; The upper shell (12) is provided with a human-machine interaction unit, and the human-machine interaction unit is used to connect to an antenna; The lower shell (11) is used for being installed on an external device.

10. The waterproof device according to claim 9, characterized in that: The upper shell (12) and the lower shell (11) are welded together.

11. An antenna with a waterproof device, characterized in that: include: The waterproof device according to any one of claims 1 to 10; An antenna body, the antenna body being arranged in a housing (1) of the waterproof device, the antenna body comprising a shielding cover (61), an antenna PCB board (62), and a patch antenna (63) which are arranged in sequence, wherein the shielding cover (61) is connected to a lower housing (11) of the housing (1), and the patch antenna (63) is connected to an upper housing (12) of the housing (1); A cable (4), the cable (4) passing through the first cable hole and / or the second cable hole, one end of the cable (4) being connected to the antenna PCB board (62), and the other end of the cable (4) being used to connect to the connector (5).

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