CN212783785U

CN212783785U - Vehicle-mounted antenna structure

Info

Publication number: CN212783785U
Application number: CN202021235169.2U
Authority: CN
Inventors: 秦建军; 吴展; 陈晨; 曾浩
Original assignee: Wuhan Zhongdian Communication Co ltd
Current assignee: Wuhan Zhongdian Communication Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-03-23
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses an on-vehicle antenna structure belongs to on-vehicle antenna technical field, and it sets up the top connection that has clamping components through the junction at the base, can not only realize the normal connection of whip body, can also realize the whip body and damage back on-vehicle antenna's emergent maintenance for thin conductor (like thin iron wire, thin copper line) that seek easily can press from both sides tightly on the base after the whip body takes off, act as the radiation effect by thin conductor, communication demand under the guarantee emergency. The utility model discloses an on-vehicle antenna structure, its simple structure, it is convenient to assemble, can not only effectively realize the stable setting of on-vehicle antenna, can also take place to damage, realize quick emergent maintenance after the fracture at the whip body of on-vehicle antenna, guarantees the communication ability of on-vehicle antenna all the time, satisfies the emergent user demand of on-vehicle antenna, promotes the emergent usability of on-vehicle antenna, reduces the use cost of on-vehicle antenna, has better application prospect and spreading value.

Description

Vehicle-mounted antenna structure

Technical Field

The utility model belongs to the technical field of the vehicle antenna, concretely relates to vehicle antenna structure.

Background

An antenna is a converter device for converting an electric signal into a magnetic signal (transmitting) or receiving the magnetic signal into an electric signal (receiving), and all that is required to transmit information by utilizing electromagnetic waves is to operate by depending on the antenna, so the antenna has important significance in the communication industry.

The form of the antenna may be different according to the application environment of the antenna. Among the numerous antenna forms, a vehicle-mounted antenna is a widely used antenna form. Generally, a vehicle antenna includes a base for connecting to a radio station and functioning to match a standing wave, and a whip body for mainly radiating a signal.

In practical application, the vehicle-mounted antenna is often arranged outside the vehicle body, when the vehicle is applied in a relatively severe environment, the vehicle-mounted antenna is extremely easy to damage, the damage of the vehicle-mounted antenna is often deformation or damage of the whip body, once the situation occurs, the antenna basically loses the original effect, and vehicle communication is also greatly limited.

SUMMERY OF THE UTILITY MODEL

To the above defect of prior art or improve in the demand one or more, the utility model provides a vehicle antenna structure can effectively realize the emergent maintenance after vehicle antenna whip body damages, the fracture, guarantees vehicle antenna's emergency communication, promotes the reliability that vehicle antenna used.

In order to achieve the above object, the present invention provides a vehicle-mounted antenna structure, which comprises a base, a whip body, and an upper connector;

the two ends of the upper joint are respectively a first connecting end and a second connecting end; the first connecting end is connected to the base, and the whip body is connected to the second connecting end at an end portion thereof;

an end blind hole is formed in the end portion of the second connecting end along the axis, a clamping assembly is arranged in the end blind hole, and the thin conductor can extend into the clamping assembly from the end portion of the end blind hole after the whip body is taken down and is clamped by the clamping assembly.

As a further improvement of the utility model, the clamping component comprises a spring, a door head, a fastening block and a fastening bolt which are axially matched and arranged in sequence;

one end of the spring is abutted against the bottom of the end blind hole, and the other section of the spring is abutted against one end of the door head; the other end of the door head is matched and abutted against the end part of the fastening block; the fastening block consists of two fastening units which are oppositely arranged, the opposite side wall surfaces of the two fastening units are respectively provided with a groove, and the two grooves form a tapered hole structure after the two fastening units are spliced; the tapered hole is coaxial with the end blind hole, and the inner diameter of the tapered hole is sequentially increased from inside to outside; the fastening bolt is arranged on one side, away from the door head, of the fastening block, a through hole is formed in the middle of the fastening bolt in the axial direction, and the fastening block can be pressed or loosened by changing the screwing length of the fastening bolt.

As a further improvement of the present invention, the end blind hole includes a first hole section, a second hole section and a third hole section which are coaxially arranged;

the first hole section is of a cylindrical structure, and the spring and the door head are correspondingly accommodated in the first hole section after being matched with each other; the second hole section is of a conical structure, and the two fastening units are correspondingly embedded into the second hole section after being spliced; and the inner periphery of the third hole section is provided with internal threads for being in threaded matching connection with the fastening bolt.

As a further improvement of the present invention, the door head butt the end of the spring is provided with a boss, the end of the spring can be sleeved in the periphery and butt of the boss the end face of the door head.

As a further improvement of the utility model, two the tip of fastening unit is provided with the tip respectively, the door head matches correspond two tips and seted up the recess respectively on the terminal surface of fastening block, and two the tip imbeds respectively in corresponding the recess.

As a further improvement, two the tip of fastening unit is seted up jaggedly respectively to it is in respectively to correspond two breachs the door head matches be provided with the arch on the terminal surface of fastening block, make two breachs match the arch that corresponds respectively.

As a further improvement of the present invention, the base includes a base body, an end fitting, and a drum spring;

the base body is used for being connected to a vehicle, one end of the end connector is fixed on the base body, and the other end of the end connector is fixedly connected with one end of the drum spring; the inner diameter and the outer diameter of the drum-shaped spring decrease from the middle part to the two ends, and one end of the drum-shaped spring, which deviates from the end joint, is tightly sleeved on the periphery of the first connecting end.

As a further improvement of the utility model, the external diameter of the first connecting end is reduced from the end to the middle part in proper order.

As a further improvement of the present invention, the first connecting end and the peripheral wall surface between the second connecting ends are provided with a ring stand along the hoop, and the end surface of this ring stand is abutted to the end portion of the drum spring.

As a further improvement of the utility model, the thin conductor is a thin iron wire or a thin copper wire.

The above-described improved technical features may be combined with each other as long as they do not conflict with each other.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:

(1) the utility model discloses an on-vehicle antenna structure, it sets up the top connection that has clamping component through the junction at the base, can not only realize the normal connection of whip body, can also realize the whip body and damage back on-vehicle antenna's emergent maintenance, make the thin conductor that seeks easily (like thin iron wire, thin copper line) can press from both sides tightly on the base after the whip body takes off, act as the radiation effect by thin conductor, the communication demand under the guarantee emergency, on-vehicle antenna's performance has effectively been promoted, on-vehicle antenna use has been increased, the flexibility and the convenience of maintenance.

(2) The utility model discloses an on-vehicle antenna structure, its simple structure, it is convenient to assemble, can not only effectively realize the stable setting of on-vehicle antenna, can also take place to damage, realize quick emergent maintenance after the fracture at the whip body of on-vehicle antenna, guarantees the communication ability of on-vehicle antenna all the time, satisfies the emergent user demand of on-vehicle antenna, promotes the emergent usability of on-vehicle antenna, reduces the use cost of on-vehicle antenna, has better application prospect and spreading value.

Drawings

Fig. 1 is a schematic structural view of a vehicle-mounted antenna structure provided with a whip body according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the vehicular antenna structure according to the embodiment of the present invention, in which the whip body is replaced by a thin conductor;

fig. 3 is a partially enlarged view of the vehicular antenna structure according to the embodiment of the present invention, in which the whip body is replaced by a thin conductor;

FIG. 4 is a cross-sectional view of the upper joint of an embodiment of the present invention in a configuration mated with the clamping assembly;

fig. 5 is a structural sectional view of the upper joint in the embodiment of the present invention;

in all the figures, the same reference numerals denote the same features, in particular: 1. an upper joint 101, an end blind hole; 2. a clamping assembly, 201, a fastening bolt, 202, a fastening block, 203, a door head, 204, a spring; 3. the whip body, 4 thin conductors, 5 base, 501 drum spring, 502 end connector, 503 base.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to 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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example (b):

the utility model discloses vehicle antenna structure in the preferred embodiment is as shown in figure 1 ~ 5. The vehicle-mounted antenna comprises a base 5 and a whip body 3, wherein the whip body 3 is connected to the base 5 through an upper connector 1, and the antenna structure shown in fig. 1 is assembled. At this moment, the vehicle-mounted antenna structure can be fixed at a corresponding position on the vehicle through the base 5, and is correspondingly connected with the radio station, and the correspondingly arranged rear whip body 3 can radiate or receive electromagnetic signals, so that the function of the vehicle-mounted antenna is realized.

Specifically, the base 5 in the preferred embodiment is shown in fig. 1-3 and includes a base 503, one end of the base 503 can be connected to a corresponding position on the vehicle, the other end is coaxially provided with an end connector 502, and the end connector 502 is provided with a drum spring 501. The inner diameter and the outer diameter of the drum spring 501 are respectively reduced from the middle part to the two ends, one end of the drum spring 501 is fixedly connected with the end joint 502, and the other end is correspondingly connected with the upper joint 1.

In the preferred embodiment, the upper connector 1 is shown in fig. 4 and 5, and has a first connecting end for mating with the drum spring 501 and a second connecting end for connecting the whip body 3. For the first connection end, the outer diameter of the first connection end gradually decreases from the end portion to the middle portion, and the drum spring 501 is closely sleeved on the outer periphery of the first connection end, that is, the inner diameter of the drum spring 501 which is fittingly sleeved on the outer periphery of the first connection end gradually decreases from the end portion of the first connection end to the middle portion. Accordingly, a ring platform structure is formed in the middle of the upper joint 1, so that the end of the drum spring 501 can abut against the ring platform structure, and the corresponding connection of the upper joint 1 and the base 5 is completed.

Further, an external thread is formed on the outer periphery of the second connecting end, correspondingly, in the preferred embodiment, one end of the whip body 3 is the connecting end, a connecting hole with a certain depth is formed in the end portion of the connecting end along the axial direction, and an internal thread is formed on the inner circumferential ring of the connecting hole. The second connection end can then be matched to the internal thread of the connection end of the whipstock 3, so that the connection of the whipstock 3 to the upper connector 1 is achieved in the manner shown in fig. 1. Preferably, a loop platform structure is formed at the middle outer circumference of the upper joint 1 corresponding to the second connection end so that the end of the whip body 3 can abut on the loop platform structure.

Further, an end blind hole 101 is axially formed in the end of the second connecting end, and the end blind hole 101 is of a multi-section structure and comprises a first hole section, a second hole section and a third hole section which are coaxially arranged from the bottom to the outside in sequence in a preferred embodiment. Wherein, the first hole section is in a cylindrical structure, and the inner diameter of the first hole section is the smallest; meanwhile, the second hole section is in a conical structure, and the inner diameter of the second hole section is sequentially increased from one side of the first hole section to the other side; in addition, the axial both ends of third hole section communicate the outside of second hole section and top connection 1 respectively, and are provided with the internal thread on the inner peripheral wall face of third hole section.

Further, a clamping assembly 2 is arranged in the end blind hole 101 and used for clamping the thin conductor 4 in an emergency when the whip body 3 is broken or damaged so as to complete temporary repair of the vehicle-mounted antenna, and therefore the vehicle-mounted antenna can recover the communication function.

Specifically, the clamping assembly 2 in the preferred embodiment comprises a spring 204, a door head 203, a fastening block 202 and a fastening bolt 201, which may be arranged in the end blind hole 101 in sequence from inside to outside, wherein the spring 204 is coaxially arranged within the first bore section, with one end matching against the bottom of the end blind hole 101 and the other end against one end of the door head 203. In a preferred embodiment, the end of the door head 203 that mates with the spring 204 is provided with a boss structure in the axial direction, such that the end of the spring 204 fits over the boss structure and abuts the end face of the door head 203.

Further, the door head 203 in the preferred embodiment is a cylindrical structure, which is coaxially embedded in the first hole section, and one end of which, facing away from the spring 204, is in matching abutment with the end of the fastening block 202. Preferably, the end of the fastening block 202 is preferably provided with a pointed structure and the end face of the door head 203 is provided with a recessed structure, so that the pointed end of the fastening block 202 can be inserted into the recessed structure. Of course, the end portions of the two fastening units may be provided with notches, respectively, and the end surface of the door head 203 is provided with a protruding structure, so that the notches at the end portions of the fastening block 202 can match with the protruding structure, and the door head 203 and the fastening block 202 can form an integral structure.

In a preferred embodiment, the fastening block 202 is embedded in the second hole section, and includes two fastening units disposed oppositely, the two fastening units can be spliced into a conical structure, and the opposite end surfaces of the two fastening units are respectively provided with a groove, so that the two grooves are correspondingly spliced to form a conical groove structure with a small inner diameter at one end and a large inner diameter at the other end, the conical groove structure is coaxial with the end blind hole 101, and the inner diameter of the end of the conical groove close to the door head 203 is small.

Further, a fastening bolt 201 is provided on the side of the fastening block 202 facing away from the door head 203, and the fastening bolt 201 may be screwed to the inner peripheral wall surface of the first hole section and abut with an end against the end of the fastening block 202. By controlling the screwing length of the fastening bolt 201 in the first hole section, the two fastening units can be tightened or loosened. Meanwhile, the middle part of the fastening bolt 201 is coaxially opened with a through hole which is coaxially communicated with the tapered groove between the two fastening units, and one end of the thin conductor 4 passes through the through hole in the middle part of the fastening bolt 201 and is clamped between the two fastening units, as shown in fig. 3 and 4. Preferably, the end of the locking bolt 201 is provided with an end cap structure, as shown in fig. 4, for limiting the end thereof, the outer diameter of which is not greater than that of the second connection end.

In the case of the vehicle-mounted antenna structure in the preferred embodiment, which is shown in fig. 1 in normal use, the whip body 3 is attached to the base 5 through the upper joint 1, and the vehicle-mounted antenna structure is attached to the vehicle through the base 5. When whip 3 of the vehicle-mounted antenna is damaged or broken, it is necessary to replace whip 3 from the second connecting end of upper joint 1 and replace whip 3 for backup. If the vehicle does not have spare whip 3 in field work, the damaged whip 3 can be unscrewed from the second connecting end, and the thin conductor 4 coaxially extends into the clamping assembly 2 on the second connecting end, i.e. the thin conductor 4 passes through the through hole in the middle of the fastening bolt 201 and extends into the fastening block 202 with the end, and then the fastening bolt 201 is screwed down, so that the fastening block 202 clamps the end of the thin conductor 4, and the emergency maintenance of the vehicle-mounted antenna is completed. The thin conductor 4 in the preferred embodiment may be a common conductor such as a common thin iron wire, a thin copper wire, etc., which is relatively easy to find, while the so-called "thin" corresponds to a conventional application size of the conductor such as an iron wire, a copper wire, etc., which is a concept as opposed to the thickness of the whip body 3, and does not refer to a specific size.

The utility model provides a vehicle antenna structure, its simple structure, the assembly is simple and convenient, sets up the top connection that has clamping component through the junction at the base, can not only realize the normal connection of whip body, can also realize the whip body and damage the emergent maintenance of back vehicle antenna, and the communication demand under the guarantee emergency has effectively promoted vehicle antenna's performance, has increased the flexibility and the convenience that vehicle antenna used, has better application prospect and spreading value.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. A vehicle-mounted antenna structure comprises a base and a whip body, and is characterized by further comprising an upper joint;

2. The vehicle-mounted antenna structure according to claim 1, wherein the clamping assembly includes a spring, a door head, a fastening block, and a fastening bolt, which are axially arranged in a matching manner;

3. The vehicle antenna structure of claim 2, wherein the end blind hole comprises a first hole section, a second hole section, and a third hole section that are coaxially arranged;

4. The vehicle-mounted antenna structure according to claim 2 or 3, wherein a boss is provided at an end of the door head abutting against the spring, and the end of the spring is fitted around an outer periphery of the boss and abuts against an end surface of the door head.

5. The vehicle-mounted antenna structure according to claim 2 or 3, wherein the end portions of the two fastening units are respectively provided with a pointed end, the end surfaces of the door heads matching the fastening blocks are respectively provided with a groove corresponding to the two pointed ends, and the two pointed ends are respectively embedded in the corresponding grooves.

6. The vehicle-mounted antenna structure according to claim 2 or 3, wherein the end portions of the two fastening units are respectively provided with a notch, and a protrusion is respectively provided on the end surface of the door head matching the fastening block corresponding to the two notches, so that the two notches respectively match the corresponding protrusions.

7. The vehicle antenna structure according to any one of claims 1 to 3, wherein the base includes a base body, an end fitting, and a drum spring;

8. The vehicle-mounted antenna structure according to claim 7, wherein an outer diameter of the first connection end decreases in order from the end portion toward the middle portion.

9. The vehicle-mounted antenna structure according to claim 7, wherein a loop table is provided in a circumferential direction on the outer circumferential wall surface between the first connection end and the second connection end, and an end of the drum spring abuts against an end surface of the loop table.

10. The vehicle-mounted antenna structure according to any one of claims 1 to 3, wherein the thin conductor is a thin iron wire or a thin copper wire.