阅读说明：本技术 一种射频同轴连接器 (Radio frequency coaxial connector ) 是由 任蒙恬 于 2020-12-03 设计创作，主要内容包括：本发明涉及一种射频同轴连接器,包括接头本体、内卡紧圈、对接环和外卡紧圈；接头本体包括外壳、内导体、绝缘圈和屏蔽圈,本发明不需要公端和母端,由于对接环和外卡接环的结构较为简单,可以使用通用的加工设备进行加工,因此本发明可以有效地节省生产环节中所需的生产设备,对于使用者来说,备件也更加容易,也需要保持足够数量的对接环和外卡紧圈,就能将接头本体全使用完；同时,本发明中的连接器可以不用压线便可以将接头本体固定在线缆上进行对接,使得方便,相较于现有的连接器拥有不受工具限制的优点。(The invention relates to a radio frequency coaxial connector, which comprises a connector body, an inner clamping ring, a butt joint ring and an outer clamping ring, wherein the inner clamping ring is arranged on the connector body; the connector body comprises a shell, an inner conductor, an insulating ring and a shielding ring, a male end and a female end are not needed, and the butt joint ring and the outer clamping ring have simpler structures and can be processed by using general processing equipment, so that the production equipment needed in the production link can be effectively saved, spare parts are easier for a user, and the connector body can be completely used by keeping enough butt joint rings and outer clamping rings; meanwhile, the connector can fix the connector body on the cable for butt joint without pressing a line, so that the connector is convenient and has the advantage of being not limited by tools compared with the conventional connector.)

1. A radio frequency coaxial connector, characterized by: comprises a joint body, an inner clamping ring, a butt joint ring and an outer clamping ring;

the connector body comprises a shell, an inner conductor, an insulating ring and a shielding ring, wherein the inner conductor, the insulating ring and the shielding ring are fixedly arranged in the shell from inside to outside in sequence;

the inner clamping ring is arranged between the shell and the shielding ring and comprises a connecting ring and a plurality of clamping sheets, the middle parts of the clamping sheets are hinged with the inner ring of the connecting ring, and the connecting ring is axially connected with the inner side of the shell in a sliding manner;

the outer side of the end part of one end of the shell is provided with an external thread;

the other end of the shell is used for connecting a coaxial cable, and the protruding lengths of the inner conductor, the insulating ring and the shielding ring at the other end of the shell are sequentially decreased progressively to form an annular step shape;

inner threads matched with the outer threads are arranged on the inner sides of the two ends of the outer clamping ring, the directions of the inner threads at the two ends of the outer clamping ring are opposite, the two ends of the outer clamping ring are respectively in threaded connection with the two joint bodies, and the limiting teeth and the limiting grooves at the end parts of the joint bodies at the two ends are correspondingly clamped;

two side surfaces of the butt joint ring are provided with annular butt joint grooves, and the bottom of each annular butt joint groove is embedded with a connecting conductor;

the butt joint ring is arranged between the end parts connected with the joint body at the two ends of the outer clamping ring, the shielding ring in the joint body is arranged in a protruding mode, the shielding ring is arranged in the annular butt joint groove and abuts against the connecting conductor, the inner conductors at the two ends penetrate through the inner ring of the butt joint ring and then are connected, the inner side of the clamping piece is grounded with the outer ring of the butt joint ring, and the outer diameter of the butt joint ring is larger than the inner diameter of the connecting ring.

2. A radio frequency coaxial connector according to claim 1, wherein: the connecting ring is provided with six clamping sheets which are uniformly distributed; one end of the clamping sheet, facing the external thread of the shell, is bent towards the outside of the shell, and the bending angle is less than 30 degrees; the inner side of the part of the clamping sheet facing the other end of the shell is provided with a convex part.

3. A radio frequency coaxial connector according to claim 2, wherein: the clamping sheet is welded with the inner ring of the connecting ring, openings located on two sides of the clamping sheet are formed in the connecting ring, and the thickness of the corresponding part of the opening of the connecting ring is smaller than that of the other parts of the connecting ring.

4. A radio frequency coaxial connector according to claim 1, wherein: and regular hexagonal screw caps are arranged on the outer side surfaces of the shell and the outer clamping ring.

5. A radio frequency coaxial connector according to claim 1, wherein: and a limiting bulge for preventing the connecting ring from sliding out is arranged on the inner side of the other end of the shell.

Technical Field

The invention relates to the technical field of coaxial connectors, in particular to a radio frequency coaxial connector.

Background

Coaxial cable connectors (BNCs) are connectors for coaxial cables. The coaxial cable is composed of a hollow outer cylindrical conductor and an inner lead positioned on the central axis. The inner lead is separated from the cylindrical conductor and the outside by insulating materials. Coaxial cables can be classified into two types, a baseband coaxial cable and a broadband coaxial cable, according to the transmission band.

The conventional coaxial cable connector generally includes a male terminal and a female terminal, which are respectively installed at the ends of a coaxial cable and then are butted. However, the existing coaxial cable connectors generally have the following disadvantages: (1) present coaxial cable connects need utilize the wire crimper line ball fixed when installing on coaxial cable in advance, specifically peels off the crust of coaxial cable's tip earlier, exposes partly inner conductor and shielding net, will expose the afterbody that the part inserted coaxial cable connects again, recycles the wire crimper and presses the afterbody of coaxial cable connects to warping, realizes fixedly, but above-mentioned step need use many instruments, and the process is comparatively loaded down with trivial details for coaxial cable connects the installation inconvenient: (2) the conventional coaxial cable connectors are both male ends and female ends, and the male ends are in threaded connection with the internal threads and the external threads on the female ends, so that a manufacturer needs to produce a complete set of male ends and female ends when producing the coaxial cable connectors, needs more production equipment and has higher cost; (3) meanwhile, the user must prepare the public end and the female end with the same quantity to normally carry out wiring, so that the stock needs to be checked frequently, the quantity of the public end and the female end is ensured to be equal, and time and labor are wasted.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a radio frequency coaxial connector, which can perform a normal wiring operation using a standard component, and is more convenient to wire.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention relates to a radio frequency coaxial connector, which comprises a connector body, an inner clamping ring, a butt joint ring and an outer clamping ring, wherein the inner clamping ring is arranged on the connector body;

the connector body comprises a shell, an inner conductor, an insulating ring and a shielding ring, wherein the inner conductor, the insulating ring and the shielding ring are fixedly arranged in the shell from inside to outside in sequence;

the inner clamping ring is arranged between the shell and the shielding ring and comprises a connecting ring and a plurality of clamping sheets, the middle parts of the clamping sheets are hinged with the inner ring of the connecting ring, and the connecting ring is axially connected with the inner side of the shell in a sliding manner;

the outer side of the end part of one end of the shell is provided with an external thread;

the other end of the shell is used for connecting a coaxial cable, and the protruding lengths of the inner conductor, the insulating ring and the shielding ring at the other end of the shell are sequentially decreased progressively to form an annular step shape;

inner threads matched with the outer threads are arranged on the inner sides of the two ends of the outer clamping ring, the directions of the inner threads at the two ends of the outer clamping ring are opposite, the two ends of the outer clamping ring are respectively in threaded connection with the two joint bodies, and the limiting teeth and the limiting grooves at the end parts of the joint bodies at the two ends are correspondingly clamped;

two side surfaces of the butt joint ring are provided with annular butt joint grooves, and the bottom of each annular butt joint groove is embedded with a connecting conductor;

the butt joint ring is arranged between the end parts connected with the joint body at the two ends of the outer clamping ring, the shielding ring in the joint body is arranged in a protruding mode, the shielding ring is arranged in the annular butt joint groove and abuts against the connecting conductor, the inner conductors at the two ends penetrate through the inner ring of the butt joint ring and then are connected, the inner side of the clamping piece is grounded with the outer ring of the butt joint ring, and the outer diameter of the butt joint ring is larger than the inner diameter of the connecting ring.

Furthermore, six clamping sheets are uniformly distributed on the connecting ring; one end of the clamping sheet, facing the external thread of the shell, is bent towards the outside of the shell, and the bending angle is less than 30 degrees; the inner side of the part of the clamping sheet facing the other end of the shell is provided with a convex part.

Furthermore, the clamping sheet is welded with the inner ring of the connecting ring, openings located on two sides of the clamping sheet are formed in the connecting ring, and the thickness of the corresponding part of the opening of the connecting ring is smaller than that of the other part of the connecting ring.

Furthermore, regular hexagonal nuts are arranged on the outer side faces of the shell and the outer clamping ring.

Further, a limiting protrusion for preventing the connecting ring from sliding out is arranged on the inner side of the other end of the shell.

The invention has the beneficial effects that: the radio frequency coaxial connector is butted by the two connector bodies, the butting ring and the outer clamping ring which have completely consistent structures, and internal threads at two ends of the outer clamping ring are butted with external threads at the end parts of the two connector bodies, so that a male end and a female end are not needed; the connector provided by the invention has the advantages that when the connector is in butt joint, the outer clamping ring and the connector rotate relatively, the connectors on two sides are close to each other, so that the middle butt joint ring is in contact with the inner clamping ring in the connector body, one end of the clamping sheet in the inner clamping ring expands outwards under the action of relative size, the other end of the clamping sheet moves inwards, and the coaxial cable at the other end of the connector body is clamped, so that the connector can fix the connector body on the cable for butt joint without pressing a wire, and the connector is convenient and free from tool limitation compared with the conventional connector.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic diagram of the overall explosive structure of the present invention;

FIG. 2 is a cross-sectional structural view of the fitting body of the present invention;

FIG. 3 is a sectional structural view at the time of connection of the present invention;

FIG. 4 is a schematic structural view of an inner clamping ring of the present invention;

fig. 5 is a schematic structural diagram of the docking ring of the present invention.

The reference numbers are as follows: 1-connector body, 2-mating ring, 3-outer clamping ring, 4-inner clamping ring, 5-coaxial cable, 11-shell, 12-inner conductor, 13-insulating ring, 14-shielding ring, 15-external thread, 16-spacing lug, 17-nut, 21-annular mating groove, 22-connecting conductor, 41-connecting ring, 42-clamping plate, 51-shielding mesh, 52-insulating layer, 53-inner conductor of coaxial cable, 411-opening, 421-projection.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

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.

As shown in fig. 1-2: the radio frequency coaxial connector of the embodiment comprises a connector body 1, an inner clamping ring 4, a butt joint ring 2 and an outer clamping ring 3;

the connector body 1 comprises a shell 11, an inner conductor 12, an insulating ring 13 and a shielding ring 14, wherein the inner conductor 12, the insulating ring 13 and the shielding ring 14 are sequentially and fixedly arranged in the shell 11 from inside to outside;

the inner clamping ring 4 is arranged between the shell 11 and the shielding ring 14, the inner clamping ring 4 comprises a connecting ring 41 and a plurality of clamping sheets 42, the middle parts of the clamping sheets are hinged with the inner ring of the connecting ring 41, the connecting ring 41 is axially and slidably connected with the inner side of the shell 11, and specifically, six clamping sheets 42 which are uniformly distributed are arranged on the connecting ring 41; one end of the clamping sheet 42, facing the external thread 15 of the shell 11, is bent towards the outside of the shell 11, the bending angle is less than 30 degrees, the shape of the clamping sheet 42 enables the butt-joint ring 2 to be arranged on the inner side surface of the clamping sheet 42 when the butt-joint ring 2 moves towards the clamping sheet 42, the joint of the clamping sheet 42 and the connecting ring 41 is a fulcrum, a lever structure is formed, one end of the clamping sheet 42 is lifted, so that the other end of the clamping sheet 42 falls, meanwhile, the inner side of the part, facing the other end of the shell 11, of the clamping sheet 42 is provided with a protruding part 421, and the protruding part 421 falls along with the other end of the clamping sheet 42 and clamps the coaxial cable 5; because the space between the inner clamping ring 4 and the inner side surface of the shell 11 is extremely small and cannot be hinged by a hinge, the clamping sheet 42 is welded with the inner ring of the connecting ring 41, the connecting ring 41 is provided with openings 411 positioned at two sides of the clamping sheet 42, the thickness of the corresponding part of the opening 411 of the connecting ring 41 is smaller than that of other parts of the connecting ring 41, the structure ensures that the edge of the inner ring of the connecting ring 41 at the opening 411 is extremely easy to bend, and after the lever structure formed by the clamping sheet 42 and the inner ring of the connecting ring 41 rotates, the part of the inner ring of the connecting ring 41 is stressed and bent, so that the similar and rotating effect is.

The outer side of the end part of one end of the shell 11 is provided with an external thread 15;

the other end of the shell 11 is used for connecting a coaxial cable 5, and the protruding lengths of the inner conductor 12, the insulating ring 13 and the shielding ring 14 at the other end of the shell 11 are sequentially decreased to form an annular step shape, generally speaking, when the coaxial cable 5 is installed in a coaxial connector, the coaxial cable 5 needs to be stripped, the outer skin is stripped, the shielding net 51, the insulating layer 52 and the inner conductor 12 are exposed, the shielding net 51 is reversely sleeved on the outer skin by stripping to present the shape of the annular step, so that the other end of the shell 11 needs to form the shape of the corresponding annular step, and the coaxial cable 5 is convenient to install;

the inner sides of two ends of the outer clamping ring 3 are provided with inner threads matched with the outer threads 15, the directions of the inner threads at the two ends of the outer clamping ring 3 are opposite, so that the outer clamping ring 3 can simultaneously enable the joint bodies 1 at the two ends to move towards directions close to each other when rotating, the two ends of the outer clamping ring 3 are respectively in threaded connection with the two joint bodies 1, and the limiting teeth and the limiting grooves at the end parts of the joint bodies 1 at the two ends are correspondingly clamped;

the two side surfaces of the butt joint ring 2 are provided with annular butt joint grooves 21, the bottom of each annular butt joint groove 21 is embedded with a connecting conductor 22, the annular butt joint grooves 21 are convenient to install, the butt joint ring 2 is installed at an end interface of one of the joint bodies 1 through the annular butt joint grooves 21 when the butt joint ring is used, and the connecting ring 41 is insulated, so that the bottom of each annular butt joint groove 21 is required to be provided with the connecting conductor 22, and the shielding rings 14 in the two joint bodies 1 are butted;

butt joint ring 2 sets up between the tip that links to each other of the joint body 1 at outer chucking ring 3 both ends, the setting of the shielding circle 14 protrusion in the joint body 1, shielding circle 14 sets up and offsets with connecting conductor 22 in annular butt joint groove 21, the inner conductor 12 at both ends passes and connects behind the inner circle of butt joint ring 2, the inboard of chucking piece 42 and butt joint ring 2's outer lane ground connect, butt joint ring 2's external diameter is greater than the internal diameter of go-between 41, shielding circle 14 protrusion corresponds the structure of annular butt joint groove 21 on butt joint ring 2, butt joint ring 2 and go-between 41's size makes chucking piece 42 produce the upset more easily and buckle simultaneously.

According to the radio frequency coaxial connector, the two connector bodies 1, the butt joint ring 2 and the outer clamping ring 3 which are completely consistent in structure are butted, internal threads at two ends of the outer clamping ring 3 are butted with external threads 15 at the end parts of the two connector bodies 1, so that a male end and a female end are not needed, and the butt joint ring 2 and the outer clamping ring are simple in structure and can be processed by using general processing equipment, so that production equipment required in a production link can be effectively saved, spare parts are easier for a user, and the connector bodies 1 can be completely used by keeping enough butt joint rings 2 and outer clamping rings 3; the connector provided by the invention has the advantages that when the connector is in butt joint, the outer clamping ring 3 and the connectors rotate relatively, the connectors on two sides are close to each other, the middle butt joint ring 2 is in contact with the inner clamping ring 4 in the connector body 1, under the action of relative size, one end of the clamping sheet 42 in the inner clamping ring 4 expands outwards, and the other end moves inwards, so that the coaxial cable at the other end of the connector body 1 is clamped, the connector provided by the invention can fix the connector body 1 on the cable for butt joint without pressing a wire, and convenience is realized compared with the existing connector, and the connector is not limited by tools.

All be equipped with regular hexagon's nut 17 on shell 11 that provides in this embodiment and outer clamping ring 3's the lateral surface, when carrying out the butt joint installation, nut 17 is convenient for pass through the spanner with the joint body 1 at outer clamping ring 3 both ends fixed, reuses other spanner and rotates outer clamping ring 3 for joint body 1 and outer clamping ring 3 produce relative rotation.

The inboard of the other end of the casing that provides in this embodiment is equipped with the spacing arch 16 that is used for preventing go-between 41 roll-off, and spacing arch 16 makes interior clamping ring 4 move to the other end of casing and stops after certain degree, then the other end of the chucking piece 42 in interior clamping ring 4 continues to move inwards with coaxial cable 5 chucking, also avoids interior clamping ring 4 to push out coaxial cable 5 from the casing simultaneously.

The specific implementation steps and the specific analysis of the structural principle of the invention are as follows:

(1) firstly, a cutter is needed to strip the wires of two coaxial cables 5, the outer skin is cut circularly, the shielding net 51, the insulating layer 52 and the inner conductor 12 are reserved, the shielding net 51 is reversely wrapped on the outer skin, the redundant insulating layer 52 is cut off, the inner conductor 12 is exposed, and the end part of the coaxial cable 5 is in an annular step shape;

(2) the end of the coaxial cable 5 is inserted into the tail of the connector body 1, the inner conductor 53 of the coaxial cable is butted with the inner conductor 12 in the connector body 1, the insulating layer 52 is butted with the insulating ring 13, and the clamping sheet 42 on the inner clamping ring 4 is arranged outside the shielding net 51 at this time;

(3) fixing the joint body 1 by using a spanner or equipment with a proper groove without clamping so that the joint body 1 can slide but can not turn over, installing the butt joint ring 2 by using the annular butt joint groove 21, then installing the outer clamping ring 3, and rotating the outer clamping ring 3 so that the two joint bodies 1 move relatively close to each other;

(4) the coaxial cable 5 is held by hand to move together with the joint body 1 until the clamping piece 42 is turned and bent under the action of the butt ring 2, and the protrusion 421 at the other end of the clamping piece 42 is embedded into the outer skin of the coaxial cable 5 with the shielding layer for clamping.

In addition, because the housing 11 and the clamping sheet 42 are made of metal, in order to prevent the bent end of the clamping sheet 42 from being lifted and then contacting with the housing 11, the bent end is provided with an insulating paint layer

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.