CN2501194Y - Cable connector - Google Patents

Abstract

A cable connector used to connecting coaxial cable electrically comprises an insulation body, a terminal arranged in the insulation body, a covering shell and a clipping device arranged at peripheral of the insulation body. The covering shell comprises a main body part and a plate part connected with the main body part. The plate part is provided with a slot. The clipping device is provided with a pair of locking tablet. The locking tablet is clamped in the slot. The locking tablet and the bottom surface of the plate part are in the same plane to decrease the integral height of the profile of the cable connector.

Description

Wire and cable connector

The utility model relates to a kind of wire and cable connector, specifically, relates to a kind of wire and cable connector that is used for transmitting radio frequency signal.

Wire and cable connector is through being usually used in transmitting radio frequency signal, and generally all contains the terminal with the butt connector butt joint in its insulating body.The prior art relevant with the utility model can be with reference to United States Patent (USP) the 5th, 263, and shown in No. 877, the wire and cable connector that this patent disclosed comprises the insulating body of fixing center terminal and is located at the shielding casing of insulating body periphery.Wherein, center terminal has in order to U type connecting portion that connects coaxial cable axle core conductor and the docking section of pegging graft with butt connector.During assembling, originally the upper wall of insulating body and the holding parts of shielding casing roughly are vertical setting, be used for the connecting portion of fixing center terminal and the axle core conductor group of coaxial cable are located in the accepting groove, then with the upper wall of insulating body and holding parts bending 90 degree of shielding casing, and first fin of shielding casing holding parts front end is coated on insulating body lower wall periphery, and holding parts rear end second fin is coated on coaxial cable braid periphery, then with first, the terminal doubling of second fin and make shielding casing engage organize with the insulating body lower wall by first fin to be located on the insulating body, the while shielding casing passes through second fin and coaxial cable braid formation grounded circuit.In this wire and cable connector, because terminal just was connected with coaxial cable before being assembled into insulating body, assembling back terminal is not easy accurate location like this.

For overcoming above-mentioned defective, the applicant has applied for a kind of wire and cable connector (as shown in figure 10) in April 7 calendar year 2001 to Patent Office of the People's Republic of China, and it comprises insulating body, be housed in terminal, the shielding casing in the insulating body and be installed in device for clamping on the shielding casing.Wherein insulating body comprises pedestal and the cylindrical portion that links to each other with pedestal.Cylindrical portion longitudinally is provided with through hole.Described terminal is provided with auxiliary section and the afterbody vertical with the auxiliary section.The auxiliary section is passed above-mentioned through hole and is connected with butt connector.Afterbody is supported on the pedestal of insulating body and is connected with the axle core conductor of coaxial connector.So, borrow the engage location of above-mentioned cylindrical portion, thereby guarantee the accurate location of terminal with pedestal.

But, because cable is to fasten and reach reliable the connection with wire and cable connector by device for clamping 600 and shielding casing 500.Because both buckle makes the bottom surface be the scalariform setting, thereby the overall profile height of this wire and cable connector can't effectively reduce, and the miniaturization development trend of this and electronic apparatus is opposing.In addition, in the prior art, owing to have the gap between first fin of shielding casing and first fin, and other veil is not set, when the high-frequency transmission signal, very easily suffer electromagnetic interference like this, influence the quality of signal.

The utility model main purpose is to overcome the defective of prior art, provides that a kind of terminal can accurately be located, overall package profile height is lower, and can prevent the wire and cable connector that EMI leaks.

The utility model comprises insulating body, is housed in conducting terminal, shielding casing and device for clamping in the insulating body.Wherein shielding casing comprises main part and the flat part that is connected with this main part, this flat part is provided with a pair of slit, and device for clamping is provided with a pair of locking plate, and described locking plate is fastened in the slit, thereby the bottom surface of described locking plate and flat part remains on same plane.

In addition,, also be provided with a pair of clamping limb on the utility model shielding casing in order to have preferable shield effectiveness, its front end invagination and leave the space that only can allow the cable inner insulating layer pass through, and then can prevent electromagnetic interference effectively.

By change, not only can reduce the overall profile height of wire and cable connector effectively to the utility model shielding casing and device for clamping structure.In addition, can also prevent effectively that EMI from leaking.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is the three-dimensional combination figure of terminal of the present utility model and insulating body.

Fig. 2 is the stereogram of insulating body cylindrical portion of the present utility model.

Fig. 3 is the stereogram of insulating body pedestal of the present utility model.

Fig. 4 is the stereogram of shielding casing of the present utility model, and wherein main part does not bend as yet to flat part.

Fig. 5 is the stereogram of shielding casing of the present utility model, and wherein main part has been bent to flat part.

Fig. 6 is a partial assembly drawing of the present utility model, and wherein device for clamping is still unassembled.

Fig. 7 is the stereogram of device for clamping of the present utility model.

Fig. 8 is a three-dimensional combination figure of the present utility model.

Fig. 9 is the three-dimensional combination figure at another visual angle of the present utility model.

Figure 10 is that the applicant is once to the pictorial representation of the relevant wire and cable connector of Patent Office application.

Please refer to Fig. 6 and shown in Figure 8, the utility model comprises that insulating body 10, group are located at conducting terminal 30 in the insulating body 10, are used to cover conducting terminal 30 and cooperate device for clamping 60 with fixing coaxial cable 70 with the shielding casing 50 of insulating body 10 with shielding casing 50.

Please refer to illustrated in figures 1 and 2, insulating body 10 comprises the cylindrical portion 20 and the pedestal 40 of orthogonal setting and engaging, wherein cylindrical portion 20 middle parts are run through along its axis direction and are provided with roughly rectangular channel 21, and cylindrical portion 20 peripheries further are provided with rank portion 29 in order to supporting shielding casing 50.The outside, cylindrical portion 20 bottoms is arranged with a pair of flank 27, in order to engage with shielding casing.In addition, the cylindrical portion bottom is provided with the breach 22 that is communicated with aforementioned channels 21, and the inboard contiguous breach of cylindrical portion 20 22 both sides are provided with corner 23, and breach 22 both sides are provided with inwall 25, and inwall 25 front ends are provided with chamfering 24.

Please refer to shown in Figure 3ly, pedestal 40 comprises the auxiliary section 42 and 42 plate-like portions that extend back 41 from the auxiliary section that is arcuation.42 two ends, auxiliary section are provided with braking parts 43.The both sides of the contiguous auxiliary sections of plate-like portion 41 42 1 ends protrude be provided with in order to the projection 45 of inwall 25 interference engagement of insulating body 10, and flat part 41 middle part upper surfaces are provided with baffle plate 47.Plate-like portion 41 is provided with inclined-plane 44 on the side between projection 45 and the baffle plate 47, support in order to the chamfering 24 with insulating body 10.In addition, plate-like portion 41 middle parts are concaved with slit 473 along the longitudinal axis direction, and these slit 473 1 ends pass baffle plate 47 bottoms.

Conducting terminal 30 is roughly L-shaped, comprises mutually perpendicular docking section 33 and weld part 31, and docking section 33 is provided with the contact arm 331 of forked.

Please refer to Fig. 4 and shown in Figure 5, the flat part 53 that integrated shielding casing 50 comprises main part 51 and is attached thereto.Fig. 4 has disclosed that main part 51 does not bend towards flat part 53 as yet, the state of shielding casing 50 when the two is roughly orthogonal, and the main part 51 that Fig. 5 has then disclosed shielding casing 50 has been folded into the state on the flat part 53.

Main part 51 roughly is cylindrical profile, and its both sides, bottom are extended along vertical aspect with the main part longitudinal axis and are provided with a pair of clamping limb 513, and the end of clamping limb 513 bends inwards mutually and forms end 512.Be provided with the hollow bulb 515 of the cylindrical portion 20 of coated insulation body 10 in the main part 51, and the bottom end side emargination of main part 51 is provided with a pair of bayonet socket 519.In addition, main part 51 be positioned at two clamping limbs 513 above be provided with a pair of shoulder 517.

Flat part 53 comprises leading section 531 and rearward end 533, and leading section 531 is mainly in order to support body portion 51, and rearward end 533 is then mainly in order to holding clamp gripping arm 513 and pedestal 40.The upwards vertical bending in leading section 531 both sides is provided with a pair of the first side wall 537, and the upwards vertical bending in rearward end 533 both sides is provided with a pair of second sidewall 535, and rearward end 533 and second sidewall, 535 adjacents are provided with a pair of holding hole 539.

Please refer to shown in Figure 7ly, device for clamping 60 is a conductor, comprise roof 61 and be located at the kink 65 of roof 61 1 ends, and kink 65 1 ends is provided with the stress elimination portion 69 that holds coaxial cable 70.The vertical bending in roof 61 both sides is provided with a pair of locking plate 63, fastens in order to the holding hole 539 with flat part 53.In addition, roof 61 1 ends are provided with the otch (not label) that mates with shoulder 517 profiles.

Please refer to shown in Figure 6ly, coaxial cable 70 comprises a core conductor 71, braid 75, separate both inner insulating layers 73 and be enclosed in the external insulation layer 77 of braid 75 outsides.

Please refer to Fig. 6 to shown in Figure 9, the assemble method of the utility model cable connector is as follows:

The first step: conducting terminal 30 is inserted into plate-like portion 41 inside from auxiliary section 42 1 ends of body 10 pedestals 40 that insulate, make the weld part 31 of conducting terminal 30 pass slit 473 and stretch out baffle plate 47 backward, conducting terminal 30 docking sections 33 then place on the auxiliary section 42.

Second step: the cylindrical portion 20 of insulating body 10 is installed on the pedestal 40, this moment, the docking section 33 of conducting terminal 30 snapped in the channel 21 of cylindrical portion 20, and the contact arm 331 of docking section 33 offsets with the respective inner walls (not label) of channel 21, the corner 23 of cylindrical portion 20 offsets with the braking parts 43 of auxiliary section 42 simultaneously, and inwall 25 engages with projection 45 interference of plate-like portion, and the chamfering 24 of inwall 25 is held on the inclined-plane 44 of plate-like portion 20, so cylindrical portion 20 firmly is connected on the pedestal 40.

The 3rd step: the axle core conductor 71 of coaxial cable 70 is welded on the weld part 31 of terminal 30.

The 4th step: the main part 51 of shielding casing 50 is around in insulating body 10 peripheries, and the flank 27 of insulating body 10 and the bayonet socket 519 of shielding casing 50 are fastened, this moment, the plate-like portion 41 of insulating body 10 was contained between 50 liang of clamping limbs 513 of shielding casing.

The 5th step: the flat part 53 of shielding casing 50 is bent to main part 51, offset until flat part 53 bottom surfaces complete and insulating body 10, at this moment, the shoulder 517 of shielding casing 50 is crimped on the baffle plate 47 of insulating body 10, and the both ends 512 of clamping limb 513 are held on inner insulating layer 73 peripheries of coaxial cable 70 simultaneously.

The 6th step: the top that device for clamping 60 is fastened on two clamping limbs 513, the locking plate 63 of device for clamping 60 both sides is positioned at second sidewall, 535 outsides of flat part 53 at this moment, then the end with locking plate 63 bends and is held in the holding hole 539, thereby device for clamping 60 is connected on the shielding casing 50, simultaneously the clamping limb 513 of shielding casing 50 is retained to the upper surface of flat part 53.This moment, two clamping limbs 513 surrounded the weld part 31 of terminal 30 with the roof 61 of device for clamping 60, but clamping limb 513 and device for clamping 60 weld part 31 of contact terminal 30 not.In addition, braid 75 clamping mutually of the kink 65 of device for clamping 60 and coaxial cable 70, the stress elimination portion 69 of device for clamping 60 then with external insulation layer 77 clamping mutually of coaxial cable 70.

Claims (8)

1. wire and cable connector, in order to electrically connect coaxial cable, comprise insulating body, be located at terminal, the shielding casing that is coated on the insulating body periphery and device for clamping in the insulating body, wherein shielding casing comprises main part and the flat part that is connected with this main part, this flat part is provided with a pair of slit, and device for clamping is provided with a pair of locking plate, and described locking plate is fastened in the slit, it is characterized in that: the bottom surface of described locking plate and flat part remains on same plane.

2. wire and cable connector according to claim 1 is characterized in that: insulating body comprises pedestal and cylindrical portion, and described cylindrical portion side is extended a flank projection at least.

3. wire and cable connector according to claim 2, it is characterized in that: shielding casing comprises main part and the flat part that is connected with this main part, described main part lower lip is offered at least one breach, and rises with described insulating body cylindrical portion side pterygoid process and to fasten.

4. wire and cable connector, in order to connect coaxial cable, comprise insulating body, be located at terminal, the shielding casing that is coated on the insulating body periphery and device for clamping in the insulating body, wherein shielding casing comprises main part and the flat part that links to each other with this main part, described main part extends a pair of clamping limb to flat part, flat part is provided with a pair of slit, and device for clamping is provided with a pair of locking plate, described locking plate is fastened in the slit, it is characterized in that: the bottom surface of described locking plate and flat part remains on same plane, and the terminal invagination certain angle of clamping limb.

5. wire and cable connector according to claim 4 is characterized in that: described clamping limb is terminal to become 90 degree to be provided with clamping limb.

6. wire and cable connector according to claim 5 is characterized in that: the space of described clamping limb end equates with the inner insulating layer width of described coaxial cable.

7. wire and cable connector according to claim 6 is characterized in that: described insulating body comprises flat part and the cylindrical portion that links to each other with flat part, and the plane has one and only holds the baffle plate that terminal passes through on the flat part of described insulating body.

8. wire and cable connector according to claim 7 is characterized in that: shielding casing is provided with the shoulder on the baffle plate that can be pressed in above the described insulation shell flat part between clamping limb.

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