Antenna structure supporting multiple frequency bands

Abstract

The utility model relates to the technical field of communication and antennas, and discloses an antenna structure supporting multiple frequency bands, which comprises an antenna jacket, a replacement assembly is arranged in the antenna jacket, the replacement assembly is used for replacement and maintenance according to requirements, a positioning assembly is arranged at the top of the replacement assembly, and the positioning assembly is used for positioning the antenna jacket. The positioning assembly is used for limiting a replacement structure on the inner side, the replacement assembly comprises a first-stage antenna module, and a splicing column is arranged at the bottom of the first-stage antenna module. According to the antenna structure supporting multiple frequency bands, the replacement assembly is installed, the metal sleeve is arranged to provide limitation for the connection antenna inserted into the inner side, the first-stage antenna module and the second-stage antenna module can be directly inserted into the antenna outer sleeve to be installed, and the connection column and the matching circuit are correspondingly inserted in the installation process to be connected. Quick disassembly can be realized by arranging two groups of modules, and the antenna module can be disassembled to be maintained or replaced by using the replacement assembly.

Description

Technical Field

[0001] The utility model relates to the technical fields of communication and antennas, and particularly relates to an antenna structure supporting multiple frequency bands. Background Technique

[0002] In radio equipment, in order to ensure the normal transmission and reception of signals, it is usually necessary to set up an antenna to conduct the signals remotely. With the development of radio communication, the frequency band is correspondingly becoming wider and wider. By arranging two groups of coil module structures inside the antenna, the antenna can be divided into high-frequency and low-frequency modes to improve the signal transmission effect of the antenna.

[0003] Chinese Patent Publication No.: CN205646126U published "A Multi-band Walkie-talkie Antenna with an Integrated Matching Circuit", including: a connector, an insulator, a connector pin, a matching circuit PCB, an upper sleeve, a lower sleeve, an outer insulating wire, a spring, a first outer mold, and a second outer mold; the connector is used to connect the walkie-talkie body; the insulator is embedded in the connector, and the inside of the insulator is hollow; the upper end of the connector pin is connected to the matching circuit PCB, and the body of the connector pin extends into the insulator; the lower sleeve is sleeved on the connector. After the upper sleeve and the lower sleeve are engaged, the matching circuit PCB, the insulator, the connector pin inside the insulator, and the connector are sleeved together to form an integral structure to form an antenna connector; the top of the matching circuit PCB is connected to the spring and the outer insulating wire located inside the spring; the first outer mold covers the spring to the top of the upper sleeve; this antenna has a large frequency band span and good reliability.

[0004] In the prior art during use, the top of the matching circuit PCB is connected to the spring and the outer insulating wire located inside the spring, making the antenna have a large frequency band span, but there is a problem that the existing multi-band module cannot be disassembled, replaced, or repaired. Content of the Utility Model

[0005] The purpose of the utility model is to provide an antenna structure supporting multiple frequency bands to solve the problem that the existing multi-band module cannot be disassembled, replaced, or repaired in the above background technique.

[0006] To solve the above technical problems, the utility model provides the following technical solution: an antenna structure supporting multiple frequency bands, including an antenna outer sleeve, wherein a replacement component is arranged inside the antenna outer sleeve, and the replacement component is used for replacement and repair according to requirements. A positioning component is arranged at the top of the replacement component, and the positioning component is used to limit the structure replaced inside.

[0007] The replacement component includes a primary antenna module, and a splicing column is arranged at the bottom of the primary antenna module. A connecting antenna is embedded inside the splicing column, a metal sleeve is arranged on the outer side of the lower end of the connecting antenna, and a support spring is arranged on the outer ring of the bottom of the splicing column.

[0008] The positioning component includes two groups of limiting sliding grooves, and the limiting sliding grooves are located on the outer side of the upper end of the antenna outer sleeve. A limiting sliding column is movably arranged inside the limiting sliding groove, and a top cap is installed at the top of the outer side of the limiting sliding column. An auxiliary spring is arranged inside the top cap, and the auxiliary spring is located at the top of the upper end of the primary antenna module.

[0009] Preferably, a mounting seat is installed at the lower end of the antenna outer sleeve, and four groups of reinforcing ribs are embedded in the inner wall of the antenna outer sleeve. Two splicing sliding grooves are formed inside the antenna outer sleeve.

[0010] Preferably, connecting plates are installed at the bottoms of both ends of the top cap, and the connecting plates are located on the outer side of the limiting sliding column.

[0011] Preferably, a combined bearing is arranged inside the upper end of the auxiliary spring, and a connecting column is installed inside the combined bearing. The connecting column is located at the top inside the top cap.

[0012] Preferably, an insulating sleeve is installed on the outer side of the metal sleeve, and four groups of positioning grooves are formed at the top of the insulating sleeve.

[0013] Preferably, a matching circuit is installed on the outer side of the insulating sleeve, and the matching circuit is located inside the lower end of the mounting seat. A radio frequency connector is arranged at the bottom of the matching circuit.

[0014] Preferably, four groups of positioning columns are installed at the bottom of the splicing column, and the positioning columns are located inside the positioning grooves. A secondary antenna module is installed at the top of the primary antenna module, and splicing sliding columns are installed on the front and back of the upper end of the secondary antenna module. The splicing sliding columns are located inside the splicing sliding grooves.

[0015] Compared with the prior art, the beneficial effects achieved by the present utility model are as follows:

[0016] First, by installing a replacement component, the present utility model can provide a limit for the connecting antenna inserted inside by setting the metal sleeve. The primary antenna module and the secondary antenna module can be directly inserted into the antenna outer sleeve for installation. During the installation process, the connecting column and the matching circuit can be correspondingly inserted for connection. By setting two groups of modules, rapid disassembly can be achieved, and the antenna module can be disassembled for maintenance or replacement by using the replacement component.

[0017] Second, the utility model is provided with a positioning component. When setting the replacement component, the existing top is simply fixed with a top cap, or there is a problem that the bottom connection antenna is loose, which affects the normal signal transmission. By setting a limit chute, the limit slide post can be restricted. Then, by setting an auxiliary spring between the secondary antenna module and the top cap, the stability of the splicing of the bottom connection antenna can be promoted by the spring support method. Finally, by sliding the limit slide post into the inner side of the limit chute, the effects of splicing and restriction can be achieved, effectively avoiding the problem of insufficient signal stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 is a schematic diagram of the antenna outer sleeve structure of the utility model;

[0020] Figure 3 is a schematic diagram of the top cap structure of the utility model;

[0021] Figure 4 is a schematic diagram of the primary antenna module structure of the utility model;

[0022] Figure 5 is a schematic diagram of the support spring structure of the utility model.

[0023] Wherein: 1. Antenna outer sleeve; 101. Mounting seat; 102. Reinforcing rib; 103. Splicing chute; 104. Limit chute; 2. Top cap; 201. Connection plate; 202. Limit slide post; 203. Connection column; 204. Combined bearing; 205. Auxiliary spring; 3. Support spring; 301. Matching circuit; 302. RF connector; 303. Insulating sleeve; 304. Positioning groove; 305. Metal sleeve; 4. Primary antenna module; 401. Splicing column; 402. Connection antenna; 403. Positioning column; 404. Secondary antenna module; 405. Splicing slide post. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-5, An antenna structure supporting multiple frequency bands, including an antenna outer sleeve 1. A replacement component is arranged inside the antenna outer sleeve 1, and the replacement component is used for replacement and repair according to requirements. A positioning component is arranged at the top of the replacement component, and the positioning component is used to limit the structure of the inner replacement;

[0026] The replacement component includes a primary antenna module 4, and a splicing column 401 is arranged at the bottom of the primary antenna module 4. A connecting antenna 402 is embedded inside the splicing column 401, and a metal sleeve 305 is arranged on the outer side of the lower end of the connecting antenna 402. A support spring 3 is arranged on the outer ring at the bottom of the splicing column 401;

[0027] The positioning component includes two groups of limit sliding grooves 104, and the limit sliding grooves 104 are located on the outer side of the upper end of the antenna outer sleeve 1. A limit sliding column 202 is movably arranged inside the limit sliding grooves 104, and a top cap 2 is installed at the top of the outer side of the limit sliding column 202. An auxiliary spring 205 is arranged inside the top cap 2, and the auxiliary spring 205 is located at the top of the upper end of the primary antenna module 4.

[0028] Through the above technical solution, by setting the metal sleeve 305, restrictions can be provided for the connecting antenna 402 inserted inside. The primary antenna module 4 and the secondary antenna module 404 can be directly inserted into the antenna outer sleeve 1 for installation. During the installation process, the connecting column 203 and the matching circuit 301 can be correspondingly inserted for connection. By setting two groups of modules, rapid disassembly can be achieved, and the antenna module can be disassembled by using the replacement component for repair or replacement.

[0029] Through the above technical solution, by setting the limit sliding grooves 104, restrictions can be provided for the limit sliding columns 202. Then, by setting the auxiliary spring 205 between the secondary antenna module 404 and the top cap 2, the stability of the splicing of the connecting antenna 402 at the bottom can be promoted by the spring support method. Finally, by sliding and embedding the limit sliding columns 202 inside the limit sliding grooves 104, the splicing and limiting effects can be achieved, effectively avoiding the problem of insufficient signal stability.

[0030] Specifically, an installation base 101 is installed at the lower end of the antenna outer sleeve 1, and four groups of reinforcing ribs 102 are embedded in the inner wall of the antenna outer sleeve 1. Two groups of splicing sliding grooves 103 are opened inside the antenna outer sleeve 1.

[0031] Through the above technical solution, the installation base 101 can assist in connecting with the device, and the reinforcing ribs 102 can increase the strength of the antenna outer sleeve 1 to avoid bending. The splicing sliding grooves 103 can be used to provide restrictions for the inner antenna module.

[0032] Specifically, connecting plates 201 are installed at the bottoms of both ends of the top cap 2, and the connecting plates 201 are located on the outer sides of the limit sliding columns 202.

[0033] Through the above technical solution, the connecting plate 201 can assist the limit sliding column 202 to perform sliding adjustment.

[0034] Specifically, a combined bearing 204 is arranged inside the upper end of the auxiliary spring 205, and a connecting column 203 is installed inside the combined bearing 204. The connecting column 203 is located at the top inside the top cap 2.

[0035] Through the above technical solution, the combined bearing 204 can provide the ability for the auxiliary spring 205 to rotate, and the connecting column 203 can be used to connect the combined bearing 204 and the top cap 2.

[0036] Specifically, an insulating sleeve 303 is installed outside the metal sleeve 305, and four positioning grooves 304 are provided at the top of the insulating sleeve 303.

[0037] Through the above technical solution, the insulating sleeve 303 can achieve the effect of insulation, and the positioning grooves 304 can provide restrictions for the positioning columns 403.

[0038] Specifically, a matching circuit 301 is installed outside the insulating sleeve 303, and the matching circuit 301 is located inside the lower end of the mounting base 101. A radio frequency connector 302 is provided at the bottom of the matching circuit 301.

[0039] Through the above technical solution, the matching circuit 301 can assist in transmitting the data received by the antenna module, and the radio frequency connector 302 can be connected to external devices.

[0040] Specifically, four positioning columns 403 are installed at the bottom of the splicing column 401, and the positioning columns 403 are located inside the positioning grooves 304. A secondary antenna module 404 is installed on the top of the primary antenna module 4, and splicing sliding columns 405 are installed on the front and back of the upper end of the secondary antenna module 404. The splicing sliding columns 405 are located inside the splicing sliding grooves 103.

[0041] Through the above technical solution, the positioning columns 403 are used to be embedded inside the positioning grooves 304 for splicing. The primary antenna module 4 and the secondary antenna module 404 can achieve multi-band signal transmission, and the splicing sliding columns 405 can be slidably installed along the inside of the splicing sliding grooves 103.

[0042] In use, first grasp the top cap 2 and press it down to compress the auxiliary spring 205 inside the top cap 2. During the compression process, the limit slide post 202 will slide and adjust along the limit slide groove 104. After sliding, rotate the top cap 2 to disassemble the top cap 2, and then insert the first-level antenna module 4 that needs to be replaced. During the insertion process, the splicing slide post 405 needs to correspond to the splicing slide groove 103. During the insertion process, the positioning post 403 will correspondingly insert into the inner side of the positioning groove 304. Then reinstall the disassembled top cap 2, and the connection antenna 402 can be pushed by the auxiliary spring 205 to be tightly connected to the metal sleeve 305.

[0043] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit, and the scope is defined by the appended claims and their equivalents.

Claims

1. An antenna structure supporting multiple frequency bands, comprising an antenna outer sleeve (1), characterized in that: Inside the antenna outer sleeve (1), a replacement component is provided, and the replacement component is used for replacement and repair according to requirements. A positioning component is provided at the top of the replacement component, and the positioning component is used to limit the structure of the inner replacement; The replacement component includes a primary antenna module (4), and a splicing column (401) is provided at the bottom of the primary antenna module (4). A connecting antenna (402) is embedded inside the splicing column (401), and a metal sleeve (305) is provided on the outer side of the lower end of the connecting antenna (402). A support spring (3) is provided on the outer circumference of the bottom of the splicing column (401); The positioning component includes two groups of limit chutes (104), and the limit chutes (104) are located on the outer side of the upper end of the antenna outer sleeve (1). A limit slide post (202) is movably provided inside the limit chute (104), and a top cap (2) is installed on the top of the outer side of the limit slide post (202). An auxiliary spring (205) is provided inside the top cap (2), and the auxiliary spring (205) is located on the top of the upper end of the primary antenna module (4).

2. The antenna structure supporting multiple frequency bands according to claim 1, characterized in that: An installation base (101) is installed at the lower end of the antenna outer sleeve (1), and four groups of reinforcing ribs (102) are embedded in the inner wall of the antenna outer sleeve (1). Two groups of splicing chutes (103) are provided inside the antenna outer sleeve (1).

3. The antenna structure supporting multiple frequency bands according to claim 1, characterized in that: Connecting plates (201) are installed at the bottoms of both ends of the top cap (2), and the connecting plates (201) are located on the outer side of the limit slide post (202).

4. A multi-band supported antenna structure according to claim 1, characterized in that: A combined bearing (204) is provided inside the upper end of the auxiliary spring (205), and a connecting column (203) is installed inside the combined bearing (204). The connecting column (203) is located on the top inside the top cap (2).

5. The antenna structure supporting multiple frequency bands according to claim 1, characterized in that: An insulating sleeve (303) is installed on the outer side of the metal sleeve (305), and four groups of positioning grooves (304) are provided on the top of the insulating sleeve (303).

6. The antenna structure supporting multiple frequency bands according to claim 5, characterized in that: A matching circuit (301) is installed on the outer side of the insulating sleeve (303), and the matching circuit (301) is located inside the lower end of the installation base (101). A radio frequency connector (302) is provided at the bottom of the matching circuit (301).

7. An antenna structure supporting multiple frequency bands according to claim 1, characterized in that: Four groups of positioning posts (403) are installed at the bottom of the splicing column (401), and the positioning posts (403) are located inside the positioning grooves (304). A secondary antenna module (404) is installed on the top of the primary antenna module (4), and splicing slide posts (405) are installed on the front and back of the upper end of the secondary antenna module (404). The splicing slide posts (405) are located inside the splicing chutes (103).

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