CN219458009U

CN219458009U - Adjustable knife antenna

Info

Publication number: CN219458009U
Application number: CN202321044617.4U
Authority: CN
Inventors: 吴延伟
Original assignee: Beijing Aetsim Communication Technology Co ltd
Current assignee: Beijing Aetsim Communication Technology Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-08-01
Anticipated expiration: 2033-05-05

Abstract

The utility model relates to the field of antennas, in particular to an adjustable knife antenna. The adjustable knife-type antenna comprises a base, wherein the upper end part of the base is integrally connected with a protective shell; an accommodating space penetrating through the upper end face is formed in the protective shell, and a tooth slot which is vertically arranged is formed in the inner wall of the accommodating space; the antenna board capable of sliding up and down is further arranged in the accommodating space, the adjusting piece is arranged on the side portion of the antenna board, the toothed plate is fixed on the adjusting piece, and the toothed plate can be buckled in the tooth slot. In the adjustable knife antenna provided by the utility model, the antenna board can slide in the protective shell, so that the antenna board can move outside the protective shell, and further, when an emergency occurs, the signal receiving capacity of the antenna board can be improved, so that the antenna board can be positioned and searched and rescuing in time, the safety is higher, and the toothed board can be directly regulated and controlled by utilizing the regulating piece, so that the toothed board can be buckled in a tooth slot, and the position of the antenna board is fixed.

Description

Adjustable knife antenna

Technical Field

The utility model relates to the field of antennas, in particular to an adjustable knife antenna.

Background

The blade antenna is a signal antenna with a blade-shaped appearance, and is generally installed on a device which moves rapidly, such as an automobile, an airplane and the like, and the appearance can reduce wind resistance, so that the antenna is more stable in the process of moving the main body device at a high speed, and meanwhile, the influence on the mobile device is very small.

The outside of the blade antenna is a shell structure, the antenna board for receiving signals is arranged in the shell, and the shell is generally integrated and directly fixed on the main equipment by bolts, so that the adjustability of the blade antenna is poor. When used in areas with weaker signals, the capacity of the signals is reduced, if a running automobile and the area are damaged, the situation that the signals are not positioned can exist, and therefore certain potential safety hazards exist.

Accordingly, there is a need to provide a new adjustable blade antenna that solves the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an adjustable blade antenna.

The utility model provides an adjustable knife antenna, which comprises a base, wherein the upper end part of the base is integrally connected with a protective shell;

an accommodating space penetrating through the upper end face is formed in the protective shell, and a tooth slot which is vertically arranged is formed in the inner wall of the accommodating space;

the antenna board capable of sliding up and down is further arranged in the accommodating space, the adjusting piece is arranged on the side portion of the antenna board, the toothed plate is fixed on the adjusting piece, and the toothed plate can be buckled in the tooth slot.

Preferably, a sealing plate is fixed at the upper end of the antenna board, and when the antenna board completely enters the inside of the protective shell, the sealing plate seals the opening at the upper end of the protective shell.

Preferably, the side part of the antenna board is also integrally connected with a mounting shell, and a through hole is formed in the side wall of the mounting shell and close to the lower end.

Preferably, the adjusting piece comprises a vertically arranged threaded rod, a transmission ring is connected to the outer portion of the threaded rod in a threaded manner, and a supporting arm is connected to the outer portion of the transmission ring in a rotary manner;

the utility model discloses a polished rod, including threaded rod, support arm, locating plate, threaded rod, return spring, locating plate lateral wall, threaded rod one side still is provided with vertical locating plate, the support arm other end articulates in the locating plate lateral part, still run through on the locating plate has sliding connection's polished rod, and the locating plate lateral wall still is fixed with the cover and locates the outside reset spring of polished rod.

Preferably, the threaded rod penetrates through the mounting shell and the sealing plate, the end of the threaded rod is further connected with an inner hexagonal end head with a coaxial center, the inner hexagonal end head rotates with the upper end of the sealing plate, and the lower end part of the threaded rod rotates with the inner bottom of the mounting shell.

Preferably, both ends of the polish rod are fixed on the inner side wall of the installation shell, and the other end of the reset spring is abutted against the inner wall of the installation shell.

Preferably, the positioning plate corresponds to the position of the through hole, the toothed plate is fixed on the positioning plate, and the toothed plate can penetrate through the mounting shell along the through hole and is buckled in the tooth slot.

Compared with the related art, the adjustable blade antenna provided by the utility model has the following beneficial effects:

the utility model provides an adjustable knife antenna, wherein an antenna board can slide in a protective shell, so that the antenna board can move outside the protective shell, and further, when an emergency occurs, the signal receiving capacity of the antenna board can be improved, so that the antenna board can be positioned and searched and rescuing in time, the safety is higher, and the toothed board can be directly regulated and controlled by utilizing an adjusting piece, so that the toothed board can be buckled in a tooth slot, and the position of the antenna board is fixed.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an adjustable blade antenna according to the present utility model;

FIG. 2 is a schematic diagram of a protective shell according to the present utility model;

fig. 3 is a schematic structural view of an antenna board according to the present utility model;

fig. 4 is a schematic structural view of the regulating member according to the present utility model.

Reference numerals in the drawings: 1. a base; 2. a protective shell; 3. tooth slots; 4. an antenna board; 5. a sealing plate; 6. a mounting shell; 7. an adjusting member; 71. a threaded rod; 72. a drive ring; 73. a support arm; 74. a positioning plate; 75. a polish rod; 76. a return spring; 8. toothed plate.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 4, an adjustable blade antenna provided by an embodiment of the present utility model includes a base 1, and a protective housing 2 is integrally connected to an upper end of the base 1;

the inside of the protective shell 2 is provided with an accommodating space penetrating through the upper end face, and the inner wall of the accommodating space is also provided with a tooth slot 3 which is vertically arranged;

the inside antenna board 4 that still is provided with of this accommodation space can slide from top to bottom, and adjusting part 7 is installed to antenna board 4 lateral part, is fixed with pinion rack 8 on the adjusting part 7, and pinion rack 8 can lock in tooth's socket 3 inside.

It should be noted that: in the knife-shaped antenna, the antenna board 4 arranged in the protective shell 2 has mobility, and can move to the outside along the opening at the upper end of the protective shell 2, so that the signal receiving capacity of the antenna board 4 can be improved, the signal can be better received and transmitted when the knife-shaped antenna is used in a region with weaker signal, the antenna board can be better positioned when in search and rescue, and the success rate of search and rescue is improved;

also to be described is: the adjusting piece 7 is arranged on the antenna board 4, the toothed plate 8 is also arranged on the adjusting piece 7, the adjusting piece 7 can directly adjust and control the toothed plate 8, so that the toothed plate 8 can be buckled with the tooth slot 3 on the inner wall of the protective shell 2, and in the buckled state, the whole antenna board 4 can be stably fixed on the protective shell 2 and can keep the current state of the antenna board;

in the embodiment of the present utility model, referring to fig. 1 to 3, a sealing plate 5 is fixed at the upper end of the antenna board 4, and when the antenna board 4 completely enters the inside of the protecting shell 2, the sealing plate 5 seals the upper opening of the protecting shell 2.

It should be noted that: the shrouding 5 is installed in antenna board 4 upper end, and after antenna board 4 gets into the inside of protecting crust 2 completely, shrouding 5 can seal protecting crust 2 upper end opening for whole sword type antenna is in the closed state, consequently when traveling at a high speed, can resist the impact that the air current produced, guarantees that the device can not appear damaging.

In the embodiment of the present utility model, referring to fig. 3 and 4, the side portion of the antenna board 4 is integrally connected with a mounting shell 6, and a through hole is formed on the side wall of the mounting shell 6 and near the lower end;

the adjusting piece 7 comprises a vertically arranged threaded rod 71, a transmission ring 72 is connected to the outer part of the threaded rod 71 in a threaded manner, and a supporting arm 73 is connected to the outer part of the transmission ring 72 in a rotary manner;

one side of the threaded rod 71 is also provided with a vertical positioning plate 74, the other end of the supporting arm 73 is hinged to the side part of the positioning plate 74, a polish rod 75 in sliding connection is further penetrated through the positioning plate 74, and the side wall of the positioning plate 74 is also fixedly provided with a reset spring 76 sleeved outside the polish rod 75;

the threaded rod 71 penetrates through the mounting shell 6 and the sealing plate 5, the end of the threaded rod 71 is also connected with an inner hexagonal end head with a coaxial center, the inner hexagonal end head rotates and is positioned at the upper end of the sealing plate 5, the lower end part of the threaded rod 71 rotates and is positioned at the inner bottom of the mounting shell 6, both ends of the polished rod 75 are fixed on the inner wall of the mounting shell 6, and the other end of the return spring 76 is abutted against the inner wall of the mounting shell 6;

the positioning plate 74 is opposite to the position corresponding to the through hole, the toothed plate 8 is fixed on the positioning plate 74, and the toothed plate 8 can penetrate through the mounting shell 6 along the through hole and be buckled inside the tooth slot 3.

It should be noted that: when the adjusting piece 7 is actually used, the inner hexagonal end can be rotated by using a wrench and the like, so that the whole threaded rod 71 is driven to rotate, the threaded rod 71 can drive the transmission ring 72 outside the threaded rod to move along the axial direction of the threaded rod, when the transmission ring 72 slowly approaches to the position of the positioning plate 74, the extrusion force of the support arm 73 on the positioning plate 74 can be larger, the positioning plate 74 can move towards the shell position of the mounting shell 6, the toothed plate 8 can be pushed, the toothed plate 8 can move to the outside of the mounting shell 6 along the through hole and is buckled with the tooth slot 3, and the fixation of the antenna plate 4 is realized;

also to be described is: when the threaded rod 71 is reversely rotated, the supporting arm 73 generates a pulling force on the positioning plate 74, and the positioning plate 74 can move to the initial position and be separated from the tooth slot 3 by cooperating with the return spring 76, so that the antenna plate 4 can move.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims

1. The utility model provides an adjustable sword type antenna, includes base (1), and base (1) upper end an organic whole is connected with protective housing (2), its characterized in that:

an accommodating space penetrating through the upper end face is formed in the protective shell (2), and a tooth slot (3) which is vertically arranged is formed in the inner wall of the accommodating space;

the antenna board (4) capable of sliding up and down is further arranged in the accommodating space, an adjusting piece (7) is arranged on the side portion of the antenna board (4), a toothed plate (8) is fixed on the adjusting piece (7), and the toothed plate (8) can be buckled in the tooth groove (3).

2. The adjustable blade antenna according to claim 1, wherein a sealing plate (5) is fixed at the upper end of the antenna plate (4), and the sealing plate (5) closes the upper end opening of the protective housing (2) when the antenna plate (4) completely enters the interior of the protective housing (2).

3. The adjustable blade antenna according to claim 2, characterized in that the side of the antenna plate (4) is further integrally connected with a mounting shell (6), and the side wall of the mounting shell (6) is provided with a through opening near the lower end.

4. A blade antenna according to claim 3, characterized in that the adjusting member (7) comprises a vertically arranged threaded rod (71), the threaded rod (71) being externally screwed with a transmission ring (72), the transmission ring (72) being externally rotatably connected with a support arm (73);

the utility model discloses a polished rod, including threaded rod (71), support arm (73), threaded rod (74), threaded rod (71) one side still is provided with vertical locating plate (74), the support arm (73) other end articulates in locating plate (74) lateral part, still run through on locating plate (74) polished rod (75) of sliding connection, and locating plate (74) lateral wall still is fixed with and overlaps and locate polished rod (75) outside reset spring (76).

5. The adjustable blade antenna as claimed in claim 4, wherein the threaded rod (71) extends through the mounting shell (6) and the sealing plate (5), and the threaded rod (71) is further connected to a coaxial inner hexagonal end, the inner hexagonal end rotates with the upper end of the sealing plate (5), and the lower end of the threaded rod (71) rotates with the inner bottom of the mounting shell (6).

6. The adjustable blade antenna as claimed in claim 5, wherein both ends of the polish rod (75) are fixed to the inner wall of the mounting case (6), and the other end of the return spring (76) abuts against the inner wall of the mounting case (6).

7. The adjustable blade antenna as claimed in claim 6, wherein the positioning plate (74) is opposite to the position of the through hole, the toothed plate (8) is fixed on the positioning plate (74), and the toothed plate (8) can penetrate the mounting shell (6) along the through hole and is buckled inside the tooth slot (3).