Length-adjustable double-frequency omnidirectional antenna

Abstract

The utility model relates to the technical field of double-frequency omnidirectional antennas, in particular to a length-adjustable double-frequency omnidirectional antenna, which comprises an antenna body, length adjusting mechanisms are arranged on the inner wall of the antenna body and the surface of a brass copper pipe, and an anti-interference mechanism is arranged on the surface of the antenna body. And a high-strength mechanism is arranged on the inner wall of the antenna body. According to the utility model, the anti-interference performance is higher when the dual-frequency omnidirectional antenna is used, the signal transmission sensitivity and transmission rate of the dual-frequency omnidirectional antenna are greatly improved, the use effect of the dual-frequency omnidirectional antenna is better, the lengths of the lower radiation oscillator and the upper radiation oscillator can be adjusted when the dual-frequency omnidirectional antenna is used, and the dual-frequency omnidirectional antenna is more stable in use. The dual-frequency omnidirectional antenna can be used in a severe environment when being used, is more practical, is higher in overall strength when being used, can be more suitable for being used in the severe environment, and is more durable.

Description

Technical Field

[0001] The utility model relates to the technical field of dual-frequency omnidirectional antennas, in particular to a dual-frequency omnidirectional antenna with adjustable length. Background Art

[0002] At present, wireless communication technology is developing rapidly. Omnidirectional antennas are widely used in microwave communications as a special form of antenna, so that signals can be sent and received in all directions. The lengths of existing dual-frequency omnidirectional antennas are mostly fixed. When the use environment of the dual-frequency omnidirectional antenna is different, the length of the dual-frequency omnidirectional antenna needs to be adjusted. Now a dual-frequency omnidirectional antenna with adjustable length is needed.

[0003] First, the dual-frequency omnidirectional antenna is easily interfered with when in use, and the anti-interference performance of the existing dual-frequency omnidirectional antenna when in use needs to be further improved, which greatly reduces the transmission sensitivity and transmission rate of the dual-frequency omnidirectional antenna signal, thereby reducing the use effect of the dual-frequency omnidirectional antenna; secondly, the height of the dual-frequency omnidirectional antenna needs to be adjusted when in use, and the existing dual-frequency omnidirectional antenna is not convenient enough when adjusting the length, which makes it impossible to adjust the length of the lower radiating vibrator and the upper radiating vibrator when in use, so that the dual-frequency omnidirectional antenna cannot be used in harsh environments when in use, which is not practical enough; thirdly, the dual-frequency omnidirectional antenna has high requirements on its strength when in use, and the strength of the existing dual-frequency omnidirectional antenna when in use needs to be further improved, which makes the dual-frequency omnidirectional antenna not durable enough. Utility Model Content

[0004] The purpose of the utility model is to provide a dual-frequency omnidirectional antenna with adjustable length, so as to solve the problems in the above background technology that the anti-interference performance of the dual-frequency omnidirectional antenna needs to be further improved when in use, it is not convenient to adjust the length, and the overall strength needs to be further improved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a length-adjustable dual-band omnidirectional antenna, comprising an antenna body, a cable connector is installed on the surface at the bottom of the antenna body, a brass tube is arranged inside the antenna body, the brass tube and the inner wall of the antenna body are slidably matched with each other, the surface at the bottom of the brass tube is fixed to the surface of the spring body, a lower radiating vibrator is arranged inside the antenna body, one end of the lower radiating vibrator extends to the top of the antenna body, the surface at the bottom of the lower radiating vibrator is fixed to the surface of the brass tube, and the lower radiating vibrator is arranged inside the antenna body. A main radiating vibrator is installed, a phase shifter is installed on the surface at the top position of the lower radiating vibrator, an upper radiating vibrator is installed on the surface at the top position of the phase shifter, a length adjustment mechanism is provided on the inner wall of the antenna body and the surface of the brass copper tube, the interior of the length adjustment mechanism includes an arc-shaped slot, an arc-shaped clamp and a length adjustment part, an anti-interference mechanism is provided on the surface of the antenna body, the interior of the anti-interference mechanism includes a brass connecting sleeve, a positioning clamp and an anti-interference part, a high-strength mechanism is provided on the inner wall of the antenna body, the interior of the high-strength mechanism includes a first reinforcement plate, reinforcement ribs, reinforcement rods and a second reinforcement plate.

[0006] Preferably, a spring body is installed inside the antenna body, an enameled coil is mounted on the surface of the spring body, the surface of the enameled coil is in contact with the inner wall of the antenna body, a first capacitor is installed on the inner wall of the antenna body, and a second capacitor is installed on the inner wall of the antenna body.

[0007] Preferably, the inner walls of the antenna body are all installed with a first reinforcement plate for increasing the strength of the antenna body, and the inner walls of the antenna body are all installed with a second reinforcement plate.

[0008] Preferably, the inner walls of the first reinforcement plates are all installed with reinforcing ribs at equal intervals for enhancing the overall strength of the antenna body, and the surfaces of the reinforcing ribs are installed with reinforcing rods at equal intervals.

[0009] Preferably, the length adjustment part is arranged on the inner wall of the antenna body and the surface of the brass copper tube, and the length adjustment part is composed of a connecting slider, a groove body, an extension spring and a fixed slide groove. Connecting sliders are installed on the surfaces of both sides of the brass copper tube, and the inner wall of the antenna body is provided with a fixed slide groove. Connecting sliders are installed on the surfaces of both sides of the brass copper tube, and the surfaces of the connecting slider and the fixed slide groove slide with each other. The inner wall of the antenna body is provided with arc-shaped grooves with equal spacing, and the surface of the connecting slider is provided with a groove body.

[0010] Preferably, an arc-shaped clip is provided inside the groove body, the arc-shaped clip and the inner wall of the groove are slidably matched with each other, the arc-shaped clip and the surface of the arc-shaped groove are snap-fitted with each other, and the inner wall of the groove body is installed with an extension spring, one end of the extension spring is fixed to the surface of the arc-shaped clip.

[0011] Preferably, the anti-interference part is arranged on the surface of the antenna body, and the anti-interference part is composed of a mounting stud, a first magnet and a second magnet. The surface of the antenna body is provided with a brass connecting sleeve for anti-interference, and the brass connecting sleeve is arranged on the surface of the lower radiating vibrator. Positioning clips are installed on the surface of the brass connecting sleeve, and the positioning clips are engaged with the inner wall of the antenna body.

[0012] Preferably, the surface of the brass connecting sleeve is threadedly connected with a mounting stud, one end of the mounting stud passes through the brass connecting sleeve and is threadedly fastened to the surface of the antenna body, the inner wall of the brass connecting sleeve is installed with a first magnet, and the surface of the antenna body is installed with a second magnet, and the surface of the second magnet and the surface of the first magnet are magnetically attracted to each other.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the length-adjustable dual-frequency omnidirectional antenna not only makes the dual-frequency omnidirectional antenna have higher anti-interference performance when in use, greatly improves the transmission sensitivity and transmission rate of the dual-frequency omnidirectional antenna signal, makes the use effect of the dual-frequency omnidirectional antenna better, makes the dual-frequency omnidirectional antenna able to adjust the length of the lower radiating vibrator and the upper radiating vibrator when in use, makes the dual-frequency omnidirectional antenna able to be used in harsh environments when in use, and makes it more practical, and makes the overall strength of the dual-frequency omnidirectional antenna higher when in use, and makes it more adaptable to use in harsh environments, making the dual-frequency omnidirectional antenna more durable;

[0014] 1. By setting up an anti-interference mechanism, the user puts the brass connecting sleeve onto the surface of the lower radiation oscillator. At this time, the brass connecting sleeve drives the positioning card to the surface of the antenna body. Under the action of the positioning card, the brass connecting sleeve is positioned and installed. At this time, the brass connecting sleeve drives the first magnet to move to contact the surface of the second magnet. Under the joint action of the first magnet and the second magnet, the brass connecting sleeve is initially installed on the surface of the antenna body. Subsequently, the user tightens the installation studs on the surface of the brass connecting sleeve, and installs the brass connecting sleeve on the surface of the antenna body under the action of the installation studs. Under the action of the brass connecting sleeve, the anti-interference performance of the antenna body is higher, and the anti-interference function of the dual-frequency omnidirectional antenna is realized, so that the anti-interference performance of the dual-frequency omnidirectional antenna is higher when in use, and the transmission sensitivity and transmission rate of the dual-frequency omnidirectional antenna signal are greatly improved, so that the use effect of the dual-frequency omnidirectional antenna is better;

[0015] 2. By providing a length adjustment mechanism, the user pulls the upper radiating vibrator upwards, so that the upper radiating vibrator drives the lower radiating vibrator to slide inside the antenna body. At this time, the lower radiating vibrator drives the brass tube to slide inside the antenna body. The lower radiating vibrator drives the connecting slider to slide inside the fixed slide groove. Under the joint action of the connecting slider and the fixed slide groove, the brass tube is guided. At this time, the elastic force of the stretch spring inside the groove body drives the arc-shaped clamp to move toward the inside of the groove body. At this time, the arc-shaped clamp is away from the inside of the arc-shaped clamping groove. When the brass tube is adjusted After the antenna is at the desired position, the arc-shaped clamp is driven to be clamped into the corresponding arc-shaped clamping groove under the elastic force of the extension spring inside the groove body, and the lower radiating vibrator and the upper radiating vibrator are fixed on the surface of the antenna body under the clamping action of the arc-shaped clamp and the arc-shaped clamping groove, so that the height of the lower radiating vibrator and the upper radiating vibrator can be adjusted, and the length adjustment function of the dual-frequency omnidirectional antenna is realized, so that the length of the lower radiating vibrator and the upper radiating vibrator can be adjusted when the dual-frequency omnidirectional antenna is used, so that the dual-frequency omnidirectional antenna can be used in harsh environments when in use, which is more practical;

[0016] 3. By providing a high-strength mechanism, the overall strength of the antenna body is greatly improved under the joint action of the first reinforcement plate and the second reinforcement plate, and the compressive resistance of the antenna body is higher under the joint action of the reinforcing ribs and the reinforcement rod, making the antenna body more durable and not prone to damage when used in bad weather, greatly extending the service life of the dual-band omnidirectional antenna and realizing the high-strength function of the dual-band omnidirectional antenna, thereby making the overall strength of the dual-band omnidirectional antenna higher when in use, and being more adaptable to use in bad environments, making the dual-band omnidirectional antenna more durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0019] Figure 3 For the utility model Figure 2 An enlarged structural diagram of the mid-length adjustment mechanism;

[0020] Figure 4 For the utility model Figure 2 A schematic diagram of the enlarged structure of the medium and high strength mechanism;

[0021] Figure 5 It is an enlarged structural schematic diagram of the anti-interference mechanism of the utility model.

[0022] In the figure: 1. Antenna body; 101. Cable connector; 102. Lower radiating element; 103. Phase shifter; 104. Upper radiating element; 105. First capacitor; 106. Second capacitor; 107. Enameled coil; 108. Spring body; 109. Brass copper tube; 110. Main radiating element; 2. High-strength mechanism; 201. First reinforcing plate; 202. Reinforcing rib; 203. Reinforcing rod; 204. Second reinforcing Plate; 3, length adjustment mechanism; 301, arc-shaped slot; 302, arc-shaped clamp; 303, length adjustment part; 3031, connecting slider; 3032, groove body; 3033, extension spring; 3034, fixed slide; 4, anti-interference mechanism; 401, brass connecting sleeve; 402, positioning clamp; 403, anti-interference part; 4031, mounting stud; 4032, first magnet; 4033, second magnet. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] The utility model provides a length-adjustable dual-frequency omnidirectional antenna having a structure as follows: Figure 1 and Figure 2 As shown, it includes an antenna body 1, a cable connector 101 is installed on the surface at the bottom position of the antenna body 1, a spring body 108 is installed inside the antenna body 1, an enameled coil 107 is sleeved on the surface of the spring body 108, the surface of the enameled coil 107 is in contact with the inner wall of the antenna body 1, a first capacitor 105 is installed on the inner wall of the antenna body 1, a second capacitor 106 is installed on the inner wall of the antenna body 1, a brass copper tube 109 is arranged inside the antenna body 1, and the brass copper tube 109 and the inner wall of the antenna body 1 are slidably matched with each other, The surface at the bottom position of the brass copper tube 109 is fixed to the surface of the spring body 108, and a lower radiating vibrator 102 is arranged inside the antenna body 1. One end of the lower radiating vibrator 102 extends to the top of the antenna body 1, and the surface at the bottom position of the lower radiating vibrator 102 is fixed to the surface of the brass copper tube 109. A main radiating vibrator 110 is installed inside the lower radiating vibrator 102, and a phase shifter 103 is installed on the surface at the top position of the lower radiating vibrator 102, and an upper radiating vibrator 104 is installed on the surface at the top position of the phase shifter 103.

[0025] Furthermore, if Figure 2 and Figure 3As shown, the inner wall of the antenna body 1 and the surface of the brass copper tube 109 are both provided with a length adjustment mechanism 3, the interior of the length adjustment mechanism 3 includes an arc-shaped card slot 301, an arc-shaped card member 302 and a length adjustment portion 303, the length adjustment portion 303 is arranged on the inner wall of the antenna body 1 and the surface of the brass copper tube 109, the length adjustment portion 303 is composed of a connecting slider 3031, a groove body 3032, an extension spring 3033 and a fixed slide groove 3034, the surfaces of both sides of the brass copper tube 109 are both installed with connecting sliders 3031, the inner wall of the antenna body 1 is provided with a fixed slide groove 3034, and the inner wall of the brass copper tube 109 is provided with a fixed slide groove 3034. A connecting slider 3031 is installed on the surface, and the connecting slider 3031 and the surface of the fixed slide groove 3034 slide with each other. The inner wall of the antenna body 1 is provided with arc-shaped grooves 301 with equal intervals. A groove body 3032 is opened on the surface of the connecting slider 3031. An arc-shaped clamp 302 is arranged inside the groove body 3032. The arc-shaped clamp 302 and the inner wall of the groove slide with each other. The arc-shaped clamp 302 and the surface of the arc-shaped groove 301 are mutually snap-fitted. The inner wall of the groove body 3032 is installed with an extension spring 3033, and one end of the extension spring 3033 is fixed to the surface of the arc-shaped clamp 302.

[0026] During implementation, the lower radiation vibrator 102 drives the connecting slider 3031 to slide inside the fixed slide groove 3034, and the brass copper tube 109 is guided under the joint action of the connecting slider 3031 and the fixed slide groove 3034. At this time, the arc-shaped clamp 302 is driven to move toward the inside of the groove body 3032 under the elastic force of the extension spring 3033 inside the groove body 3032. At this time, the arc-shaped clamp 302 is away from the inside of the arc-shaped clamping groove 301. When the brass copper tube 109 After adjusting to the desired position, the arc-shaped clamp 302 is driven to be clamped into the corresponding arc-shaped clamping groove 301 under the elastic force of the extension spring 3033 inside the groove body 3032, and the lower radiating vibrator 102 and the upper radiating vibrator 104 are fixed to the surface of the antenna body 1 under the clamping action of the arc-shaped clamp 302 and the arc-shaped clamping groove 301, so as to adjust the height of the lower radiating vibrator 102 and the upper radiating vibrator 104 to realize the length adjustment function of the dual-band omnidirectional antenna.

[0027] Furthermore, if Figure 2 and Figure 5As shown, the surface of the antenna body 1 is provided with an anti-interference mechanism 4, the interior of the anti-interference mechanism 4 includes a brass connecting sleeve 401, a positioning clamp 402 and an anti-interference part 403, the anti-interference part 403 is arranged on the surface of the antenna body 1, and the anti-interference part 403 is composed of a mounting stud 4031, a first magnet 4032 and a second magnet 4033. The surface of the antenna body 1 is provided with a brass connecting sleeve 401 for anti-interference, and the brass connecting sleeve 401 is sleeved on the surface of the lower radiation oscillator 102. The brass connecting sleeve 401 The surfaces of the antenna bodies 1 are all installed with positioning clips 402, which are engaged with the inner wall of the antenna body 1. The surfaces of the brass connecting sleeves 401 are all threadedly connected with mounting studs 4031, one end of the mounting studs 4031 passes through the brass connecting sleeves 401 and is threadedly fastened with the surface of the antenna body 1. The inner walls of the brass connecting sleeves 401 are all installed with first magnets 4032, and the surfaces of the antenna bodies 1 are all installed with second magnets 4033, which are magnetically attracted to and engaged with the surfaces of the first magnets 4032.

[0028] During implementation, the user puts the brass connecting sleeve 401 onto the surface of the lower radiating element 102. At this time, the brass connecting sleeve 401 drives the positioning clamp 402 to be clamped onto the surface of the antenna body 1. Under the action of the positioning clamp 402, the brass connecting sleeve 401 is positioned and installed. At this time, the brass connecting sleeve 401 drives the first magnet 4032 to move to contact the surface of the second magnet 4033. Under the joint action of the first magnet 4032 and the second magnet 4033, the brass connecting sleeve 401 is initially installed on the surface of the antenna body 1. Subsequently, the user tightens the mounting studs 4031 on the surface of the brass connecting sleeve 401, and installs the brass connecting sleeve 401 on the surface of the antenna body 1 under the action of the mounting studs 4031. Under the action of the brass connecting sleeve 401, the anti-interference performance of the antenna body 1 is improved, so as to realize the anti-interference function of the dual-band omnidirectional antenna.

[0029] Furthermore, if Figure 2 and Figure 4 As shown, the inner wall of the antenna body 1 is provided with a high-strength structure 2, and the interior of the high-strength structure 2 includes a first reinforcing plate 201, reinforcing ribs 202, reinforcing rods 203 and a second reinforcing plate 204. The inner wall of the antenna body 1 is installed with a first reinforcing plate 201 for increasing the strength of the antenna body 1, the inner wall of the antenna body 1 is installed with a second reinforcing plate 204, the inner wall of the first reinforcing plate 201 is installed with equally spaced reinforcing ribs 202 for enhancing the overall strength of the antenna body 1, and the surface of the reinforcing ribs 202 is installed with equally spaced reinforcing rods 203.

[0030] During implementation, the overall strength of the antenna body 1 is greatly improved under the joint action of the first reinforcement plate 201 and the second reinforcement plate 204, and the compressive resistance of the antenna body 1 is improved under the joint action of the reinforcing ribs 202 and the reinforcement rod 203, making the antenna body 1 more durable and less prone to damage when used in severe weather, thereby greatly extending the service life of the dual-band omnidirectional antenna to achieve the high-strength function of the dual-band omnidirectional antenna.

[0031] Working principle: When in use, first place the antenna body 1 at the designated position, and the user puts the brass connecting sleeve 401 onto the surface of the lower radiation oscillator 102. At this time, the brass connecting sleeve 401 drives the positioning clamp 402 to be clamped onto the surface of the antenna body 1. Under the action of the positioning clamp 402, the brass connecting sleeve 401 is positioned and installed. At this time, the brass connecting sleeve 401 drives the first magnet 4032 to move to contact the surface of the second magnet 4033. Under the joint action of the first magnet 4032 and the second magnet 4033, the brass connecting sleeve 401 is initially The first step is to install it on the surface of the antenna body 1. Subsequently, the user tightens the mounting studs 4031 on the surface of the brass connecting sleeve 401, and the brass connecting sleeve 401 is installed on the surface of the antenna body 1 under the action of the mounting studs 4031. Under the action of the brass connecting sleeve 401, the anti-interference performance of the antenna body 1 is higher, so as to realize the anti-interference function of the dual-frequency omnidirectional antenna, thereby making the anti-interference performance of the dual-frequency omnidirectional antenna higher when in use, and greatly improving the transmission sensitivity and transmission rate of the dual-frequency omnidirectional antenna signal, so that the use effect of the dual-frequency omnidirectional antenna is better.

[0032] Subsequently, when the antenna body 1 is used in a harsh environment, it is necessary to adjust the height of the lower radiating vibrator 102 and the upper radiating vibrator 104. The user pulls the upper radiating vibrator 104 upward so that the upper radiating vibrator 104 drives the lower radiating vibrator 102 to slide inside the antenna body 1. At this time, the lower radiating vibrator 102 drives the brass copper tube 109 to slide inside the antenna body 1. The lower radiating vibrator 102 drives the connecting slider 3031 to slide inside the fixed slide groove 3034. Under the joint action of the connecting slider 3031 and the fixed slide groove 3034, the brass copper tube 109 is guided. At this time, the arc-shaped clamp 302 is driven to move toward the inside of the groove body 3032 under the elastic force of the extension spring 3033 inside the groove body 3032. At this time, the arc The arc-shaped clamp 302 is away from the inside of the arc-shaped slot 301. When the brass copper tube 109 is adjusted to the required position, the arc-shaped clamp 302 is driven to be clamped into the inside of the corresponding arc-shaped slot 301 under the elastic force of the extension spring 3033 inside the groove body 3032. Under the clamping action of the arc-shaped clamp 302 and the arc-shaped slot 301, the lower radiating vibrator 102 and the upper radiating vibrator 104 are fixed on the surface of the antenna body 1, so that the height of the lower radiating vibrator 102 and the upper radiating vibrator 104 can be adjusted to realize the function of adjusting the length of the dual-band omnidirectional antenna, so that the length of the lower radiating vibrator 102 and the upper radiating vibrator 104 can be adjusted when the dual-band omnidirectional antenna is in use, so that the dual-band omnidirectional antenna can be used in harsh environments when in use, which is more practical.

[0033] Subsequently, under the joint action of the first reinforcement plate 201 and the second reinforcement plate 204, the overall strength of the antenna body 1 is greatly improved, and under the joint action of the reinforcing ribs 202 and the reinforcing rods 203, the compressive resistance of the antenna body 1 is higher, making the antenna body 1 more durable and less prone to damage when used in severe weather, thereby greatly extending the service life of the dual-band omnidirectional antenna to achieve the high-strength function of the dual-band omnidirectional antenna, thereby making the overall strength of the dual-band omnidirectional antenna higher when in use, and being more adaptable to use in severe environments, making the dual-band omnidirectional antenna more durable, and finally completing the use of the dual-band omnidirectional antenna.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A length-adjustable dual-band omnidirectional antenna, comprising an antenna body (1), characterized in that: A cable connector (101) is installed on the surface at the bottom of the antenna body (1); a brass copper tube (109) is arranged inside the antenna body (1); the brass copper tube (109) and the inner wall of the antenna body (1) are slidably matched with each other; the surface at the bottom of the brass copper tube (109) is fixed to the surface of the spring body (108); a lower radiation vibrator (102) is arranged inside the antenna body (1); one end of the lower radiation vibrator (102) extends to the top of the antenna body (1); the surface at the bottom of the lower radiation vibrator (102) is fixed to the surface of the brass copper tube (109); a main radiation vibrator (110) is installed inside the lower radiation vibrator (102); and a phase shifter (103) is installed on the surface at the top of the lower radiation vibrator (102). ), an upper radiation oscillator (104) is installed on the surface at the top position of the phase shifter (103), the inner wall of the antenna body (1) and the surface of the brass copper tube (109) are both provided with a length adjustment mechanism (3), the interior of the length adjustment mechanism (3) includes an arc-shaped slot (301), an arc-shaped clamp (302) and a length adjustment part (303), the surface of the antenna body (1) is provided with an anti-interference mechanism (4), the interior of the anti-interference mechanism (4) includes a brass connecting sleeve (401), a positioning clamp (402) and an anti-interference part (403), the inner wall of the antenna body (1) is provided with a high-strength mechanism (2), the interior of the high-strength mechanism (2) includes a first reinforcement plate (201), a reinforcing rib (202), a reinforcement rod (203) and a second reinforcement plate (204).

2. The length-adjustable dual-band omnidirectional antenna according to claim 1, characterized in that: A spring body (108) is installed inside the antenna body (1), an enameled coil (107) is mounted on the surface of the spring body (108), the surface of the enameled coil (107) is in contact with the inner wall of the antenna body (1), a first capacitor (105) is installed on the inner wall of the antenna body (1), and a second capacitor (106) is installed on the inner wall of the antenna body (1).

3. The length-adjustable dual-band omnidirectional antenna according to claim 1, characterized in that: The inner wall of the antenna body (1) is installed with a first reinforcement plate (201) for increasing the strength of the antenna body (1), and the inner wall of the antenna body (1) is installed with a second reinforcement plate (204).

4. The length-adjustable dual-frequency omnidirectional antenna according to claim 3, characterized in that: The inner wall of the first reinforcement plate (201) is installed with reinforcement ribs (202) at equal intervals for enhancing the overall strength of the antenna body (1), and the surface of the reinforcement ribs (202) is installed with reinforcement rods (203) at equal intervals.

5. The length-adjustable dual-band omnidirectional antenna according to claim 1, characterized in that: The length adjustment part (303) is arranged on the inner wall of the antenna body (1) and the surface of the brass copper tube (109). The length adjustment part (303) is composed of a connecting slider (3031), a groove body (3032), an extension spring (3033) and a fixed slide groove (3034). The surfaces of both sides of the brass copper tube (109) are both installed with connecting sliders (3031). The inner wall of the antenna body (1) is both provided with a fixed slide groove (3034). The surfaces of both sides of the brass copper tube (109) are both installed with connecting sliders (3031). The surfaces of the connecting slider (3031) and the fixed slide groove (3034) are slidably matched with each other. The inner wall of the antenna body (1) is both provided with arc-shaped grooves (301) with equal spacing. The surface of the connecting slider (3031) is provided with a groove body (3032).

6. The length-adjustable dual-frequency omnidirectional antenna according to claim 5, characterized in that: An arc-shaped clamp (302) is arranged inside the groove body (3032), and the arc-shaped clamp (302) and the inner wall of the groove are slidably matched with each other, and the arc-shaped clamp (302) and the surface of the arc-shaped clamping groove (301) are mutually engaged and matched, and the inner wall of the groove body (3032) is installed with an extension spring (3033), and one end of the extension spring (3033) is fixed to the surface of the arc-shaped clamp (302).

7. The length-adjustable dual-frequency omnidirectional antenna according to claim 1, characterized in that: The anti-interference part (403) is arranged on the surface of the antenna body (1), and the anti-interference part (403) is composed of a mounting stud (4031), a first magnet (4032) and a second magnet (4033). The surface of the antenna body (1) is provided with a brass connecting sleeve (401) for anti-interference, and the brass connecting sleeve (401) is sleeved on the surface of the lower radiation oscillator (102). The surface of the brass connecting sleeve (401) is installed with a positioning clamp (402), and the positioning clamp (402) and the inner wall of the antenna body (1) are mutually engaged.

8. The length-adjustable dual-frequency omnidirectional antenna according to claim 7, characterized in that: The surface of the brass connecting sleeve (401) is threadedly connected with a mounting stud (4031), one end of the mounting stud (4031) passes through the brass connecting sleeve (401) and is threadedly fastened to the surface of the antenna body (1), the inner wall of the brass connecting sleeve (401) is installed with a first magnet (4032), the surface of the antenna body (1) is installed with a second magnet (4033), and the surfaces of the second magnet (4033) and the first magnet (4032) are magnetically attracted to each other.

Images