CN215343192U

CN215343192U - Coaxial cable SMA connects for antenna

Info

Publication number: CN215343192U
Application number: CN202121230700.1U
Authority: CN
Inventors: 赵正刚
Original assignee: Suzhou City Xiangcheng District Zhengxu Electric Wire & Cable Co ltd
Current assignee: Suzhou City Xiangcheng District Zhengxu Electric Wire & Cable Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-28
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a coaxial cable SMA joint for an antenna, which comprises a connecting cylinder, a shell and a cable, wherein one side of the connecting cylinder is fixedly connected with one side of the shell, one end of the cable penetrates through the shell and the connecting cylinder in sequence and extends into the connecting cylinder, one end of the cable extending to an inner cavity of the connecting cylinder is fixedly connected with a plug, the other side of the connecting cylinder is provided with a fixing shell, and one side of the fixing shell penetrates through the connecting cylinder and extends into the connecting cylinder. This coaxial cable SMA connects for antenna can carry out the guide effect to the terminal cylinder that enters into the connecting cylinder, can prevent to misplug the damage that causes the plug, has reduced user's loss, and through the fixed mode of joint and direction, can reduce the friction between terminal cylinder and the plug, has increased holistic life to a certain extent, and the practicality is strong, and convenient to use person operates.

Description

Coaxial cable SMA connects for antenna

Technical Field

The utility model relates to the technical field of SMA (shape memory alloy) connectors, in particular to an SMA connector of a coaxial cable for an antenna.

Background

The SMA connector is a small-sized screw-connected coaxial connector with wide application, and has the characteristics of wide frequency band, excellent performance, high reliability and long service life. The SMA connector is suitable for connecting a radio frequency cable or a microstrip line in a radio frequency loop of microwave equipment and a digital communication system, and a coaxial cable is generally required to be used in the use process of an antenna, wherein the coaxial cable is a cable which is provided with two concentric conductors, and the conductor and a shielding layer share the same axis. Most common coaxial cables consist of copper conductors separated by an insulating material, outside of which is another layer of annular conductor and its insulator, and then the entire cable is covered by a sheath of polyvinyl chloride or teflon material, and the existing SMA joints are widely used, but have some problems.

Traditional SMA connects, can not carry out the guide effect to the wire barrel that enters into the connecting cylinder, has avoided the mistake to insert the damage that causes the plug, has increased user's loss, and the fixed mode through threaded connection has increased the friction between wire barrel and the plug, has reduced holistic life to a certain extent, and the practicality is not strong, and the person of not being convenient for operates.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the SMA connector of the coaxial cable for the antenna, which solves the problem of poor overall effect of the SMA connector of the cable.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a coaxial cable SMA joint for an antenna comprises a connecting cylinder, a shell and a cable, wherein one side of the connecting cylinder is fixedly connected with one side of the shell, one end of the cable sequentially penetrates through the shell and the connecting cylinder and extends to the inside of the connecting cylinder, the cable extends to one end of a plug of an inner cavity of the connecting cylinder, the other side of the connecting cylinder is provided with a fixing shell, one side of the fixing shell penetrates through the connecting cylinder and extends to the inside of the connecting cylinder, the fixing shell extends to one side of the inner cavity of the connecting cylinder and is fixedly connected with a wiring cylinder, the inner wall of the wiring cylinder is in surface contact with the plug, a cavity is formed in the fixing shell, the bottom of the inner cavity is fixedly connected with a pressing plate through a reset spring, a limiting rod is fixedly connected to one side of the top of the pressing plate, and the top end of the limiting rod sequentially penetrates through the fixing shell and the connecting cylinder and extends to the inside of the connecting cylinder, the other side of the top of the pressing plate is fixedly connected with a pressing rod, and the top end of the pressing rod penetrates through the fixing shell and extends to the top of the fixing shell.

Preferably, a baffle is fixedly connected between the top and the bottom of the inner cavity of the connecting cylinder, and an opening matched with the wiring cylinder for use is formed in the baffle.

Preferably, a guide disc is fixedly connected to one side of the inner cavity of the connecting cylinder and positioned on the surface of the plug.

Preferably, the inside of positioning disk is seted up and is cooperateed the round hole that uses with the wire connection section of thick bamboo, the inside of positioning disk and the top and the bottom that are located the round hole have all seted up the spacing groove.

Preferably, the top and the bottom of the wiring barrel are fixedly connected with limit blocks, and the surfaces of the limit blocks are in contact with the inner walls of the limit grooves.

Preferably, the connecting cylinder is internally provided with a through hole matched with the limiting rod for use.

Advantageous effects

The utility model provides a coaxial cable SMA connector for an antenna. Compared with the prior art, the method has the following beneficial effects:

(1) the coaxial cable SMA connector for the antenna is characterized in that a connecting cylinder is fixedly connected to one side of an inner cavity of the connecting cylinder through a fixing shell, the inner wall of the connecting cylinder is in contact with the surface of a plug, a cavity is formed in the fixing shell, a pressing plate is fixedly connected to the bottom of the inner cavity of the cavity through a reset spring, a limiting rod is fixedly connected to one side of the top of the pressing plate, the top end of the limiting rod sequentially penetrates through the fixing shell and the connecting cylinder and extends into the connecting cylinder, a pressing rod is fixedly connected to the other side of the top of the pressing plate, the top end of the pressing rod penetrates through the fixing shell and extends to the top of the fixing shell, the guiding effect can be achieved on the connecting cylinder entering the connecting cylinder, damage to the plug caused by mistaken insertion can be prevented, loss of a user is reduced, friction between the connecting cylinder and the plug can be reduced through a fixing mode of clamping and guiding, and the service life of the whole is prolonged to a certain extent, the practicability is strong.

(2) This coaxial cable SMA connects for antenna, fixedly connected with baffle between top and the bottom through the connecting cylinder inner chamber to the inside of baffle has been seted up and has been used the opening with the connecting cylinder cooperatees, and the inside of connecting cylinder has been seted up and has been used the through-hole with the gag lever post cooperatees, and convenient to use person operates.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of a connector barrel and retaining shell arrangement of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a perspective view of the guide plate and the wire barrel of the present invention when they are separated.

In the figure: 1-connecting cylinder, 2-shell, 3-cable, 4-plug, 5-fixing shell, 6-connecting cylinder, 7-cavity, 8-reset spring, 9-pressing plate, 10-limiting rod, 11-pressing rod, 12-baffle, 13-guiding disc, 14-round hole, 15-limiting groove and 16-limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a coaxial cable SMA connector for an antenna comprises a connecting cylinder 1, a shell 2 and a cable 3, one side of the connecting cylinder 1 is fixedly connected with one side of the shell 2, one end of the cable 3 sequentially penetrates through the shell 2 and the connecting cylinder 1 and extends into the connecting cylinder 1, one end of the cable 3 extending into an inner cavity of the connecting cylinder 1 is fixedly connected with a plug 4, the other side of the connecting cylinder 1 is provided with a fixing shell 5, one side of the fixing shell 5 penetrates through the connecting cylinder 1 and extends into the connecting cylinder 1, one side of the fixing shell 5 extending into the inner cavity of the connecting cylinder 1 is fixedly connected with a wire connecting cylinder 6, the inner wall of the wire connecting cylinder 6 is in contact with the surface of the plug 4, a cavity 7 is arranged inside the fixing shell 5, the bottom of the inner cavity of the cavity 7 is fixedly connected with a pressing plate 9 through a return spring 8, the elastic coefficient of the return spring 8 is determined according to actual conditions and can be replaced, one side fixedly connected with gag lever post 10 at clamp plate 9 top, the top of gag lever post 10 runs through set casing 5 and connecting cylinder 1 in proper order and extends to the inside of connecting cylinder 1, the opposite side fixedly connected with depression bar 11 at clamp plate 9 top, can drive the motion of clamp plate 9 behind the depression bar 11 motion, and then the motion of gag lever post 10 has been driven, after gag lever post 10 moved out the inside of connecting cylinder 1, at this moment the user can be with set casing 5 from inserting connecting cylinder 1, the top of depression bar 11 runs through set casing 5 and extends to the top of set casing 5, the content of not making detailed description in this specification all belongs to the well-known prior art of technical staff in the field simultaneously.

Please refer to fig. 1-4, a baffle 12 is fixedly connected between the top and the bottom of the inner cavity of the connecting cylinder 1, an opening matched with the connecting cylinder 6 for use is formed in the baffle 12, a guiding disc 13 is fixedly connected to the surface of one side of the inner cavity of the connecting cylinder 1 and located on the plug 4, a round hole 14 matched with the connecting cylinder 6 for use is formed in the guiding disc 13, a limiting groove 15 is formed in the top and the bottom of the round hole 14 in the guiding disc 13, a limiting block 16 is fixedly connected to the top and the bottom of the connecting cylinder 6, the limiting block 16 on the connecting cylinder 1 can enter along the limiting groove 15 on the guiding disc 13, damage to the plug 4 caused by mis-insertion is avoided, the surface of the limiting block 16 is contacted with the inner wall of the limiting groove 15, and a through hole matched with the limiting rod 10 for use is formed in the connecting cylinder 1.

During the use, when needs connect connecting cylinder 1, at this moment the user can press depression bar 11 earlier, depression bar 11 motion back can drive the motion of clamp plate 9, and then the motion of having driven gag lever post 10, move out the inside of connecting cylinder 1 when gag lever post 10, at this moment the user can be with set casing 5 from inserting connecting cylinder 1, at this moment a connecting cylinder 6 passes baffle 12 and deflector 13 in proper order, stopper 16 on the connecting cylinder 1 also can get into along spacing groove 15 on the deflector 13, the damage that the misplug caused plug 4 has been avoided, insert the back completely, the user loosens depression bar 11, at this moment the elasticity of reset spring 8 accumulation will drive the motion of clamp plate 9, and then has driven gag lever post 10 motion and has got into the inside of connecting cylinder 1, and then spacing between connecting cylinder 1 and the set casing 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coaxial cable SMA connects for antenna, includes connecting cylinder (1), shell (2) and cable conductor (3), one side of connecting cylinder (1) and one side fixed connection of shell (2), the one end of cable conductor (3) runs through shell (2) and connecting cylinder (1) in proper order and extends to the inside of connecting cylinder (1), its characterized in that: the cable conductor (3) extends to one end fixedly connected with plug (4) of an inner cavity of the connecting cylinder (1), the other side of the connecting cylinder (1) is provided with a fixing shell (5), one side of the fixing shell (5) penetrates through the connecting cylinder (1) and extends to the inside of the connecting cylinder (1), one side of the fixing shell (5) extends to the inner cavity of the connecting cylinder (1) is fixedly connected with a wiring cylinder (6), the inner wall of the wiring cylinder (6) is in surface contact with the plug (4), a cavity (7) is formed in the fixing shell (5), the bottom of the inner cavity of the cavity (7) is fixedly connected with a pressing plate (9) through a reset spring (8), one side of the top of the pressing plate (9) is fixedly connected with a limiting rod (10), the top end of the limiting rod (10) sequentially penetrates through the fixing shell (5) and the connecting cylinder (1) and extends to the inside of the connecting cylinder (1), the other side of the top of the pressing plate (9) is fixedly connected with a pressing rod (11), and the top end of the pressing rod (11) penetrates through the fixed shell (5) and extends to the top of the fixed shell (5).

2. The SMA connector of claim 1, wherein: fixedly connected with baffle (12) between the top and the bottom of connecting cylinder (1) inner chamber to the inside of baffle (12) is seted up and is used the opening with wire barrel (6) cooperation.

3. The SMA connector of claim 1, wherein: and a guide disc (13) is fixedly connected to one side of the inner cavity of the connecting cylinder (1) and positioned on the surface of the plug (4).

4. The SMA connector of claim 3, wherein: round hole (14) that cooperate with wire connection barrel (6) and use are seted up to the inside of positioning disk (13), spacing groove (15) have all been seted up to the inside of positioning disk (13) and the top and the bottom that are located round hole (14).

5. The SMA connector of claim 4, wherein: the top and the bottom of the wiring barrel (6) are fixedly connected with limit blocks (16), and the surfaces of the limit blocks (16) are in contact with the inner wall of the limit groove (15).

6. The SMA connector of claim 1, wherein: the connecting cylinder (1) is internally provided with a through hole matched with the limiting rod (10) for use.