CN2440274Y

CN2440274Y - A signal connection component

Info

Publication number: CN2440274Y
Application number: CN00253951U
Authority: CN
Inventors: 陆善濬
Original assignee: Liyang Electronic Co ltd
Current assignee: LIYU ELECTRONICS CO Ltd
Priority date: 2000-09-27
Filing date: 2000-09-27
Publication date: 2001-07-25
Anticipated expiration: 2010-09-27

Abstract

The utility model provides a signal terminal comprises hollow and elastic input part and totally compact output part, wherein the input supplies the axle center of coaxial cable to plant and constitutes electric connection, and the output is with circuit board electric connection to can be by the complete separation of close-grained output part by the aqueous vapor that the input part got into, in order to protect the circuit board.

Description

A kind of signal connecting elements

The utility model relates to a kind of signal connecting elements, is applied to in the wired communication system of coaxial cable as the electrical signal transfer carrier, and in order to the signal of telecommunication that continues, particularly a kind of aqueous vapor that can intercept is entered by signal connector.

Present cable television system or wideband network system utilize the carrier of coaxial cable as the signal transmission, and constitute wired communication mode, wherein when framework cable television system or wideband network system, one to one, the framework demand of one-to-many, all must to utilize various signal connector or signal splitter to finish the transmission of signal or along separate routes; Shown in Figure 1A, it shown in the figure a kind of signal splitter 40, signal splitter 40 is the main signal with wired communication system, be shunted to a plurality of subsignals, it has comprised a main signal input part 41, main signal efferent 42, several times signal efferent 43 haply and has been arranged at the inner circuit board 44 that also constitutes electric connection respectively with main signal input part 41, main signal efferent 42, inferior signal efferent 43, shown in Fig. 1 C; Wherein connect a main signal coaxial cable by wired communication system service station signal server, when being provided with along separate routes, the main signal coaxial cable connects the main signal input part 41 of a signal splitter 40, via handling the signal of telecommunication (as filtering, amplification) on the circuit board, transferring to each time signal efferent 41, dividing inconsistent a plurality of shunt, and main signal efferent 42 connects a main signal coaxial cable again, electrical signal transfer to the downstream, is so promptly constituted wired communication zone networking.

Please consult shown in Figure 1B, Fig. 1 C, several times signal efferent 43 is a signal connector on the signal splitter 40 again, and it is made up of shell 431, waterproof jacket 432, insulating case 433 and signal terminal 434; Wherein shell 431 is made the cylinder that a hollow runs through for metal material, and an end is arranged on the signal splitter 40, and has screw thread in the outer rim of shell 431, with the engagement that is spirally connected of the joint of common axle cable; Waterproof jacket 432 is made the cylinder that a hollow runs through by flexible materials such as rubber, the rough internal diameter that equals shell 431 of its external diameter, just can fill in shell 431, waterproof jacket 432 usefulness so that aqueous vapor can't infiltrate by the seam crossing of shell 431 in shell 431, reach good waterproof effect, have an opening 4321 on the top of waterproof jacket 432, electrically connect for the coaxial cable insertion; Signal terminal 434 is made by sheet metal, one end common axle cable signal connects, the other end is in order to electrically connect with circuit board 44, wherein signal terminal 434 centre are coated with one with the insulating case 433 made of insulation material, the rough internal diameter that equals waterproof jacket 432 of the external diameter of insulating case 433, signal terminal 434 inputs 431 are inserted in the waterproof jacket 432, are packed in waterproof jacket 432 by insulating case 433 again and are fixed in the shell 431.

General signal splitter all places outdoor, therefore must there be the excellent waterproof design just can avoid aqueous vapor to influence the electric characteristics of signal splitter, as the designed waterproof jacket 432 of signal connector (inferior signal efferent), promptly be by in signal connector (inferior signal efferent) the entering signal splitter for fear of aqueous vapor, yet the signal splitter still has an opening for the insertion of coaxial cable axle center, this opening promptly is the inlet that aqueous vapor may be infiltrated the signal splitter, and present signal terminal 434 is, be to form by sheet metal bending, it is convenient to make the axle center of coaxial cable to insert, signal terminal utilizes the axle center clamping of metallic spring with coaxial cable, the connection that keeps the signal of telecommunication, therefore signal terminal 434 is a hollow form, the also therefore opening can be directly planted for coaxial cable by signal connector (inferior signal efferent) of aqueous vapor directly in the entering signal splitter, if infiltrate circuit board 44, promptly might influence the opering characteristic of electric apparatus of circuit board 44, or cause short circuit.

Certainly coaxial cable is inserted on the signal connector (inferior signal efferent), can intercept aqueous vapor by the joint of coaxial cable enters, yet have a plurality of signal connectors (inferior signal efferent) on the signal splitter, may not be certain each signal connector of zone (inferior signal efferent) of being installed all usefulness on, and signal connector (inferior signal efferent) is exposed to the open air outside; At present for head it off, most systems additionally make a lid again, be used for the obsolete signal connector of cover cap (inferior signal efferent), yet, the part that lid system must additionally make has promptly increased cost, and signal splitter system is placed on outdoor exposing to wind and rain, lid is come off, also can't reach the purpose that prevents aqueous vapor infiltration signal splitter thus.

The utility model main purpose is to provide a kind of signal connecting elements, particularly a kind ofly can intercept aqueous vapor is entered the rear end by signal connector signal connecting elements.

According to the disclosed signal connecting elements of the utility model; it mainly includes: shell, waterproof jacket, insulator and signal terminal are formed; wherein signal terminal by hollow and the flexible input part of tool and fully closely knit efferent formed; wherein input part can be planted and constitute and electrically connect for the axle center of coaxial cable; efferent then electrically connects with circuit board; and hinder the aqueous vapor that diaphragm may be entered by input part fully by closely knit efferent, with the protective circuit plate.

Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing, so that further understand above-mentioned and other purposes, feature and advantage of the present utility model.

Figure 1A is a common known signal splitter structural representation;

Figure 1B is a signal connector structural representation in the common known signal splitter;

Fig. 1 C is the generalized section of Figure 1A;

Fig. 2 is the first example structure schematic diagram of the present utility model;

Fig. 3 is the first example structure floor map of the present utility model;

Fig. 4 is the first example structure generalized section of the present utility model;

Fig. 5 is the second example structure schematic diagram of the present utility model;

Fig. 6 is the second example structure floor map of the present utility model.

According to the disclosed signal connecting elements of utility model, system is in order to the transmission signal that continues, for example be applied in the wired communication systems such as cable television system or broadband network system, the carrier that utilizes coaxial cable to transmit as signal, and signal connector is as the series connection or the one-to-many connection along separate routes of coaxial cable, it can be single signal connector, or is applied to the signal splitter.

Be illustrated in figure 2 as the utility model first embodiment, according to the disclosed signal connecting elements of the utility model, it is directly to be arranged on the signal splitter 40 (shown in Figure 1A), as the inferior signal efferent of signal splitter, signal connecting elements 10 is made up of shell 11, waterproof jacket 12, insulating case 13 and signal terminal 14; Shell 11 is to be made for cylinder that a hollow runs through and direct forming on signal splitter 40 with metal material, has screw thread 111 in the outer rim of shell 11, for the engagement that is spirally connected of the joint (not shown) of coaxial cable.

Waterproof jacket 12 is to make the cylinder that a hollow runs through with flexible materials such as rubber, and it just can place in the shell 11, infiltrates in shell 11 in order to prevent aqueous vapor.

Signal terminal 14 is a cylinder body of rod haply, it is to be formed (as shown in Figure 3) by a sheet of metal punching out and bending, wherein the end punching out in sheet metal has several thread dead slot 141, the other end does not then have, and in do not have the thread dead slot 141 the other end insert a cylinder solid bar 142, sheet metal is cylinder together with solid bar 142 coiling in the lump, one end forms hollow form by thread dead slot 141, to constitute the flexible input part 144 of a tool, the other end then is coated with solid bar 142 and becomes closely knit efferent 145 fully, wherein input part 144 can be planted and constitute and electrically connect for the axle center (not shown) of coaxial cable, the axle center of clamping coaxial cable by the elasticity of input part 144 and firmly simultaneously, efferent 145 then can directly or utilize the electric connection of lead (not shown) and circuit board (not shown); As shown in Figure 4,, be that waterproof jacket 12 is placed earlier in the shell 11, and an insulating case 13 overlapped in signal terminal 14 middle sections in when assembling, again with signal terminal 14 together with insulation 13 being placed in the shell 11 in the lump, finish a signal connecting elements 10.Though the utility model intercepts aqueous vapor by waterproof jacket 12 and is entered by shell 11, yet the opening that insert for the axle center of coaxial cable on shell 11 tops still may make aqueous vapor enter, therefore intercept the aqueous vapor that may enter by input part 144 fully by closely knit efferent 145, even shell 11 does not have suitable cover body to cover, still can be by the design of closely knit efferent 145, avoid aqueous vapor to enter, weigh with the guarantor that circuit board is unlikely to make moist in the hand.

Be depicted as second embodiment of the present utility model as Fig. 5,6, wherein directly be limited by on the signal splitter in the illustrated signal connector of first example, second embodiment of the present utility model discloses a single signal connector, as the usefulness of the coaxial cable signal series connection that continues, therefore two ends all must be for the axle center plant (not shown) of coaxial cable.The disclosed signal connecting elements of second embodiment of the present utility model 10a includes shell 11a, insulating case 12a, 13a and signal terminal 14a.Wherein shell 11a system is made for the cylinder that a hollow runs through with metal material, has screw thread 111a, 112a in outer rim two ends of shell 11a.For the engagement that is spirally connected of the joint (not shown) of coaxial cable.

Signal terminal 14a system is formed (as shown in Figure 6) by a sheet of metal punching out and bending, two end punching out in sheet metal have several thread

dead slot

141a, 142a, the stage casing part does not then have, and insert a cylinder solid bar 143a in the center section part branch, sheet metal is cylinder together with solid bar 143a coiling in the lump, two ends promptly form hollow and the flexible connecting portion 144a of tool, 145a and complete closely knit center section part 146a, connecting portion 144a wherein, 145a can plant and constitute and electrically connect for the axle center (not shown) of coaxial cable, simultaneously by connecting portion 144a, the elasticity of 145a and the axle center of clamping coaxial cable firmly, center section part 146a then can be used to intercept aqueous vapor.

According to the disclosed signal connecting elements of the utility model, see through closely knit structural design and intercept the aqueous vapor that may enter fully, make moist so that the protective circuit plate is unlikely.

The above only is the utility model preferred embodiment wherein, is not the practical range that is used for limiting the phase utility model; Be that all equalizations of being done according to the utility model claim scope change and modification, be claim of the present utility model and contain.

Claims

1. A signal connecting member, which is arranged on a signal splitter to connect electrical signals, and is composed of a casing, a waterproof casing, an insulating casing and a signal terminal, wherein the casing is a hollow metal casing, and the waterproof casing It is a hollow penetrating flexible body, which can just be arranged in the casing, the insulating sleeve is arranged in the casing, the signal terminal is arranged in the insulating casing, and one end is a hollow and elastic input part, which is characterized in that the The other end of the signal end relative to the input portion is a completely compact output portion.

2. A signal connection member as claimed in claim 1, characterized in that a cylindrical solid rod is housed in the output portion.

3. The signal connecting member as claimed in claim 1, wherein the outer edge of the housing is threaded.

4. The signal connection member according to claim 1, wherein the two ends of the signal terminal are hollow and elastic connecting parts, and the middle part of the signal terminal is a completely dense middle part.