CN2487128Y

CN2487128Y - Radio frequency transmission cable connector

Info

Publication number: CN2487128Y
Application number: CN 01227544
Authority: CN
Inventors: 叶青山
Original assignee: SHENGSHENG ENTERPRISE CO Ltd
Current assignee: SHENGSHENG ENTERPRISE CO Ltd
Priority date: 2001-06-19
Filing date: 2001-06-19
Publication date: 2002-04-17
Anticipated expiration: 2011-06-19

Abstract

A clamping device of a radio frequency transmission cable comprises an annular body, a clamping connection seat formed on two opposite ends of the annular body and a guide connection seat. Two grooves are arranged axial-oppositely on the clamping connection seat, of which forms two opposite clamping pieces and each clamping piece is respectively connected oppositely with a spring leaf part for cable axial core insertion connection. The utility model has a large axial diameter scope of the clamping cable axial core, and provides a better clamping function and has a good transmission effect.

Description

Radio frequency transmission cable clip means

The utility model relates to a kind of radio frequency transmission cable clip means.

As shown in Figure 1, the three-dimensional exploded view of known cable joint, joint 1 can plug for cable is two-way, have a copper material car and make the housing 10 of type, the housing 10 inner rooms 11 that axially connect that form, in this room 11 and be embedded a hollow insulating case 12, clip means 13 plugs that are used for making for a punching press certain bending shape are established.Shown in the three-dimensional exploded view of the known cable coupler of Fig. 2, coupler 2 is to have an input 21 and two outputs 22 that are electrically connected, each inner end portion configuration mode and aforementioned joint 1 are roughly the same, has a clip means 24 equally in order to transmission signal, its difference be in: clip means 24 is to have a welding ends 241, and be coated on these clip means 24 outer insulating cases 25 and also be different from aforementioned dielectric cover 12 slightly, in addition, its conduction principle is all identical.

Shown in Fig. 1,3, known clip means 13 has two metal sheets body 130 and is positioned at lamellar body 130 centre buttons and is provided with a geometrical clamp 131, make two contact edge 132 of this clip means 13 be able to this geometrical clamp 131 and do the folding of a predetermined angle, be applicable to the cable axle core of clamping connection φ 0.6mm～φ 1.0mm specification usually for the center; When cable was inserted in joint 1, cable axle core 14 was contact edge 132 outwards to be strutted and is tight against with it lean on, and signal is able to by reaching the purpose of transmission signal; And when axle core 14 broke away from, clip means 13 was to borrow the elastic force that itself material had, and made the inwardly clamping and recover initial position once again of contact edge 132.

Yet, though can conducting, known clip means 13,24 still has following shortcoming in the signal use:

One, the axle core of commercially available cable is the diameter of axle with multiple different size, after the cable in larger axis footpath plugs use, easily make clip means 13,24 exceed the elastic limit that its material has, and cause these contact jaws 132,242 can't return to its initial position, and, if use the axle core 14 than small axle diameter to be inserted in joint 1 and output, to go into end at 22,21 o'clock, the tightness degree during its contact will reduce greatly, and influence transmission quality under the above-mentioned situation.

Two moreover, because known clip means the 13, the 24th, constitute by two metal sheets body 130 and 240 respectively, and the cable axle core mostly is circular structure greatly, therefore, only contact with the surface of cable axle core 14 when plugging with this contact edge 132,242, with the contact mode transmission signal of " point-to-point ", its contact area is minimum, is easy to generate loose contact, the not good situation of signal transmission quality.

The purpose of this utility model is to be to provide a kind of radio frequency transmission cable clip means, but the diameter of axle scope of its hook-up cable is bigger, and better clamping action can be provided, and laser propagation effect is good.

In order to achieve the above object, the utility model provides kind of a radio frequency transmission cable clip means, comprising: an annular body and be formed at a clamping connection seat and the conduction seat that this annular body deviates from two ends mutually is characterized in that:

This clamping connection seat place opposes vertically and offers two grooves, and to form two clip portion of mutual opposition, this each clip portion inwardly opposes respectively and holds in the mouth the shell fragment portion that is connected with, and pegs graft for the cable axle core.

Described radio frequency transmission cable clip means is characterized in that: this each clip portion is a circular arc, and this each shell fragment portion also is circular arc, forms a circular-arc passage with axially open in this annular body.

Described radio frequency transmission cable clip means is characterized in that: this each groove all has a blind end and an openend.

Described radio frequency transmission cable clip means is characterized in that: this each shell fragment portion all has one and holds in the mouth the stiff end that connects mutually with clip portion, and with the corresponding free end of this stiff end, and this each shell fragment portion is provided with the ribs of a bending near this free end.

Described radio frequency transmission cable clip means is characterized in that: this conduction seat also can oppose vertically and offer two grooves, forming two opposed clip portion, and connects a shell fragment portion in this each clip portion uplink.

In sum, the utility model radio frequency transmission cable clip means has following effect and advantage:

One, is dispersed owing to active force, therefore can alleviate the burden of each shell fragment portion 54, can guarantee that more above-mentioned each clip portion 50 and each shell fragment portion 54 all can be maintained in the elastic limit scope that itself material has, after avoiding a larger axis axle core 15 directly to pull away, each clip portion 50 and each shell fragment portion 54 can return back to initial position and the phenomenon of nonelastic fatigue, and then produce fixing bundle and hold strength, guarantee transmission quality, reach the purpose of the axle core that is applicable to different diameter of axle sizes.

Two, in addition, these clip portion 50 are circular arc with shell fragment portion 54, and be a coated, and this plugs the space that space 52 and two circular arc shell fragment portions 54 are held around and is a passage shape, cooperate most of cable axle cores to be circular structure, not only can significantly increase contact area, also increase its contact length simultaneously, and differ from the contact mode of known " point-to-point ", and become the contact mode of " face-to-face ", a signal circulating pathway more smoothly is provided, also can avoids the signal excessive loss.

Three moreover, when this cable axle core 14 is inserted in this when plugging space 52, owing to it is that passage for a coated has better clamping action, can effectively limit the displacement that this cable axle core 14 produces radially, when producing vibrations, make this cable axle core 1 with this clip means 3 of unlikely disengaging if be subjected to the external force influence.

Below in conjunction with drawings and Examples the utility model is further specified:

Brief description of drawings:

Fig. 1 is known cable female joint three-dimensional exploded view.

Fig. 2 is known cable deconcentrator perspective exploded view.

Fig. 3 is known cable female joint cutaway view.

Fig. 4 is the three-dimensional exploded view of the utility model one preferred embodiment.

Fig. 5 is the cutaway view of the utility model one preferred embodiment.

Fig. 6 is the cutaway view of another preferred embodiment of the utility model.

Fig. 7 is the axle core cutaway view that the utility model plugs small axle diameter.

Fig. 8 is the other direction vertical view that the utility model plugs small axle diameter.

Fig. 9 is the axle core cutaway view that the utility model plugs the larger axis footpath.

Figure 10 is the other direction vertical view that the utility model plugs the larger axis footpath.

Figure 11 is the utility model stereogram of an embodiment again.

Shown in Fig. 4,5, the clip means 3 of a preferred embodiment radio frequency cable of the present utility model, its outside also is equiped with an insulating case 12 identical with aforementioned known clip means 13, and be located in the aforementioned housing 10 together with insulating case 12 and clip means 3 plugs, can plug combination for the axle core 14 of a cable, and signal must be transmitted through this clip means 3, clip means 3 comprises an annular body 4, a clamping connection seat 5 and a conduction seat 6.

Annular body 4 has one first reverse end 41 and one second end 42, and two spacers 43 that are symmetricly set in body 4 both sides, and spacer 43 is in order to the relative position of restriction clip means 3 in an insulating case 12.

Clamping connection seat 5 has opposed two clip portion 50, each clip portion 50 is arranged at this first end, 41 places for circular-arc radially the opposition each other, and towards being coated away from the direction extension of this second end 42, two clip portion 50 define form one have an axially open 51 plug space 52, each clip portion 50 outer rim forms two grooves 53 along body 4 length directions, each groove 53 has a blind end 531 and the openend 532 near opening 51 near body 4, and the inside respectively shell fragment portion 54 that forms a tool curved arc shape that establishes that dashes on each clip portion 50, each shell fragment portion 54 has a stiff end 541 that is connected with clip portion 50, one free ends 542 that oppositely are provided with stiff end 541, an and ribs 543 that is arranged near free end 542 places, stiff end 541 is between free end 542 and plugs between the opening 51 in space 52, but the stiff end 541 of shell fragment portion 54 also can be arranged at opening 51 places that plug space 52 away from this.

Conduction seat 6 is to be located on second end 42 of body 4 along body 4 length directions rank, and in order to signal is outwards transmitted, conduction seat 6 comprises and identical two clip portion 50 of above-mentioned structure, is used for for the two-way butt joint of cable axle core; And another embodiment as shown in Figure 6, and clip means 3 is arranged in the input 21 and output 22 of above-mentioned known coupler 2, and this conduction seat 6 has one and connects bar 61 and can use for welding, and this kind embodiment is for the 14 unidirectional grafting of cable axle core.

Shown in Fig. 7,8, when clip means 3 is inserted with the axle core 14 of cable, shell fragment portion 54 on each clip portion 50 is that fulcrum opens to outer displacement with stiff end 541, simultaneously, each clip portion 50 is that slightly outwards open at the center because of the stressed blind end 531 that supports with groove 53 also, and borrows this ribs 543 can strengthen the effect of its clamping; When cable axle core 14 was extracted, above-mentioned clip portion 50 was to restore to the original state by means of elastic force own with shell fragment portion 54.

Shown in Fig. 9,10, when making a larger axis axle core 15 directly plug, these clip portion 50 and shell fragment portion 54 are subjected to external force simultaneously and support and open to outer displacement, wherein, above-mentioned clip portion 50 is not to be positioned at same point with the fulcrum of the 54 outer Zhang Weiyi of shell fragment portion, be respectively the blind end 531 of this groove 53 and the stiff end 541 of shell fragment portion 54, make and stressedly shared mutually.

Take a broad view of above-mentioned, when the less cable axle core 14 of the diameter of axle plugs, almost have only these shell fragment portions 54 to have opening and closing movement, the effect of these clip portion 50 is more not obvious, and the cable 15 in larger axis footpath is when plugging, and each clip portion 50, shell fragment portion 54 all are outside open aspect.

In addition, as shown in figure 11, be connected most clip means for convenience to form the pattern of multidirectional connection, can hold in the mouth respectively in the reverse two ends of a joining piece 7 edge and establish a ring-like body 4, each ring-like body 4 opposing liftoff extension one clamping connection seat 5 can reach aforementioned each effect, simultaneously equally, can at least one convergence hole (figure does not show) be set to be connected an other clip means 3 in joining piece 7, reach multidirectional connection simultaneously.

Take a broad view of above-mentionedly, structural feature of the present utility model really can provide a kind of radio frequency transmission cable clip means of practicality.

Claims

1, a kind of radio frequency transmission cable clip means comprises: an annular body and be formed at a clamping connection seat and the conduction seat that this annular body deviates from two ends mutually is characterized in that:

This clamping connection seat place opposes vertically and offers two grooves, and to form two clip portion of mutual opposition, this each clip portion inwardly opposes respectively and holds in the mouth the shell fragment portion that is connected with.

2, according to the described radio frequency transmission cable of claim 1 clip means, it is characterized in that: this each clip portion is a circular arc, and this each shell fragment portion also is circular arc, forms a circular-arc passage with axially open in this annular body.

3, according to the described radio frequency transmission cable of claim 1 clip means, it is characterized in that: this each groove all has a blind end and an openend.

4, according to the described radio frequency transmission cable of claim 1 clip means, it is characterized in that: this each shell fragment portion all has one and holds in the mouth the stiff end that connects mutually with clip portion, and with the corresponding free end of this stiff end, and this each shell fragment portion near this free end be provided with one the bending ribs.

5, according to the described radio frequency transmission cable of claim 1 clip means, it is characterized in that: this conduction seat opposes vertically and offers two grooves, forming two opposed clip portion, and connects a shell fragment portion in this each clip portion uplink.