CN2538074Y

CN2538074Y - Positioning structure for antenna internal and external group joint

Info

Publication number: CN2538074Y
Application number: CN 02201554
Authority: CN
Inventors: 徐耀东; 翁寿喜; 詹毅志; 彭国兴; 叶志伟; 吴冬汉
Original assignee: YAODENG SCIENCE AND TECHONLOGY CO Ltd
Current assignee: YAODENG SCIENCE AND TECHONLOGY CO Ltd
Priority date: 2002-03-06
Filing date: 2002-03-06
Publication date: 2003-02-26
Anticipated expiration: 2012-03-06

Abstract

The utility model relates to an assembly and positioning structure of an internal sleeve and an external sleeve, which adopts an external sleeve and an internal connecting rod that can be spliced by each other and combined and form a main antenna shell body. The utility model is characterized in that: the upper and lower corresponding positions of the external sleeve and the internal connecting rod are respectively provided with an upper concave ring and a lower concave ring that can engage with other and a protrude ring, wherein the lower concave ring and the protrude ring are preferred to be a level shoulder-rest, and an outward leaned open taper can be conveniently introduced into the level shoulder-rest and can prevent from being broken away due to stress. A relative tongue and a notch are arranged between the internal top of the external sleeve and the top end of the internal connecting rod to synchronously form a circumferential positioning structure when the two are assembled.

Description

Antenna internal and external insulating winding location structure

Technical field

The relevant a kind of antenna internal and external insulating winding location structure of the utility model.

Background technology

With the fixed antenna that is used in mobile phone is example, mostly is with the main element of internal helicoid coil as transmitting-receiving frequency.This helical coil bottom engages with the metal joint chair on the one hand, and the aspect then needs interior extension bar that mat is correlated with and outer tube to be located to screen and insulate in addition.

This type of is commonly used in the mobile phone non-scanning antenna structure, and helix bottom and metal joint chair tentatively can be engaged the back and cooperate the location with extension bar in the insulation, and assembling outer tube (promptly general set cap part).This connecting structure can be again by the in addition combination of high frequency welding and so on operation procedure, but it must use welder and carry out the welding procedure.Or, related elements such as oriented helical coil and metal joint chair are put into mould with another kind of manufacture, mold outer tube to penetrate the coating program then; But this kind processing structure on the one hand must be put into Mould Machining with preliminary sub-assembly and comparatively outside the inconvenience, moreover the production operation of each finished product all need be put into mould, and its volume production speed is affected.

Though the design of the direct snapping combination of extension bar in outer tube can being reached is arranged in existing antenna assemblies structure,, speeds and produce speed to reduce the additional processing program.But its connecting structure is firm inadequately usually, and simultaneously, the mobile phone user plays antenna or because of situation about dropping accidentally takes place often, existing this kind directly twisting resistance intensity of group inserting structure is difficult to usually by strict examination and test of products regulation.

Summary of the invention

Technical problem to be solved in the utility model is at the above-mentioned deficiency of prior art, and to provide the high also energy of a kind of twisting resistance intensity antenna internal and external insulating winding location structure of volume production fast.

Above-mentioned technical problem of the present utility model is realized by following technical scheme.

A kind of antenna internal and external insulating winding location structure, its outer tube and interior extension bar with the combination of can pegging graft each other constitutes the antenna main casing jointly, it is characterized in that:

Outer tube is provided with a blind end and an end opening port, and is provided with a scrobicular ring and a lower concave ring on one in its endoporus perisporium, and molds sagging tongue piece more than a slice in it near inner top;

Interior extension bar hollow mobile jib body contour is made as the shape that cooperates above-mentioned outer tube endoporus, its with outer tube match the position be provided with for clamping above-mentioned on lower concave ring on prominent ring and prominent down ring, and in being provided with the breach that cooperates the tongue piece shape with above-mentioned outer tube tongue piece relative position;

According to above-mentioned outer tube and in extension bar when pegging graft combination, extension bar breach and form circumferential location in the default tongue piece of outer tube is connected to sync card.

Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:

This outer tube tongue piece is made as down narrow wide, and interior extension bar breach then is made as associated shape with wide top and narrow bottom.

Second scrobicular ring that matches of this outer tube and interior extension bar reaches prominent ring and is made as downward obliquely expanded cone shape, and forms a level by shoulder.

The utility model is made as outer tube and contains blind end and end opening port, and portion is default from inside to outside by the endoporus of wash rice increase diameter within it, supplies scrobicular ring in the setting lengthwise position of these endoporus is provided with up and down; Interior extension bar matches that the position then is respectively equipped with mutually external bar portion and with the prominent up and down ring of shape section in itself and above-mentioned endoporus, makes it can be by end opening port inserting in the outer tube endoporus; In presetting sagging tongue piece near inner top surface, interior extension bar then contains the breach with these tongue piece complementary shaped according to above-mentioned outer tube, when outer tube and inner connecting tube are pegged graft, can make tongue piece enter breach circumferentially to locate.

According to the tongue piece and the breach of above-mentioned complementary shaped, preferably make these tongue pieces be made as down narrow just both location of axially pegging graft of wide supplier.In another desirable embodiment, bead preferably was made as the taper section that contains stopper under the relative lower concave ring of outer tube and interior extension bar reached.

Advantage of the present utility model is:

The internal and external insulating that the utility model can make antenna is directly pegged graft each other under as the engineering preface and is fastened need not other, it not only can form more stable group inserting structure, have better twisting resistance intensity because of circumferentially locating simultaneously, make this type of direct group insert formula antenna structure intensity and significantly promote.

Novelty of the present utility model and other characteristics will be tending towards clear in the detailed description that cooperates the following drawings embodiment.

Description of drawings

Fig. 1 is the utility model embodiment outer tube and interior extension bar released state partial sectional view.

Fig. 2 is Fig. 1 section direction cutaway view.

Fig. 3 is another interval 90 degree section direction cutaway views as Fig. 2.

The 4-4 direction cutaway view of Fig. 4 displayed map 2.

Fig. 5 is the 5-5 direction cutaway view of Fig. 3.

Fig. 6 is Fig. 2 related elements cutaway view of packing into.

Fig. 7 is that Fig. 3 inserts the related elements cutaway view.

Embodiment

At first please join Fig. 1, antenna main casing of the present utility model also comprises an outer tube (being cap) 10 and 20 liang of main elements of interior extension bar.Both peg graft each other in conjunction with after, can enclose in its inner assembly line, associated antenna members such as metal bearing, contact.

Above-mentioned outer tube 10 is provided with a blind end 11 and an end opening port 12 basically.Be provided with a scrobicular ring 14 and a lower concave ring 15 on one on the internal perisporium of its endoporus 13 in the illustrated embodiment.Simultaneously, at it near the then plastic sagging tongue piece 17 that goes out more than in inner top 16 places.In preferable the executing in the example of diagram, this tongue piece 17 is made as down the narrow wide taper (attached ginseng Fig. 3,5) of.

And the hollow mobile jib body contour of interior extension bar 20 is made as the shape that cooperates outer tube 10 endoporus 13, and it is being provided with prominent ring 21 and prominent ring 22 on one once with outer tube 10 position that matches.And respectively manage by its end face and to form breach 23 on the perisporium.These breach 23 are made as the shape that cooperates above-mentioned outer tube 10 tongue pieces 17.

In comparatively ideal embodiment, attached ginseng Fig. 2,4 simultaneously, prominent down ring 22 is made as the taper of being opened by the outside declivity of pipe periphery wall, and the level that forms a little length is by takeing on 29.Cooperate this prominent ring 22 structures once, the lower concave ring 15 that outer tube 10 is relative with it also is made as with the shape scrobicular ring.

According to the outer tube 10 of said structure and in extension bar 20 thereby can axially peg graft.When both peg graft, because outer tube 10 is general all with plastic shaping, mobile jib body at interior extension bar 20 inserts in the process of outer tube endoporus 13, going up prominent ring 21 and down prominent ring 22 will compel earlier to open slightly, and when interior extension bar 20 arrives the location (shown in Fig. 2,3), outer tube 10 will be because of the elastic restoring force of itself, and lower concave ring 14,15 difference snappings are prominent up and down to encircle 21,22 and make.Because the relative shape of down prominent ring 22 and lower concave ring 15 will form very firm fastening structure, when antenna is subjected to axial tension, the prominent ring 22 of this time becomes the convenient lead angle structure of inserting except that making its declivity open taper portion, and it is preset by shoulder 29 also becomes the effective retaining system position that prevents to be subjected to axial tension and break away from.

When extension bar 20 was pegged graft the location in above-mentioned outer tube 10 reaches, the default breach 23 of interior extension bar 20 was connected to sync card the tongue piece 17 of outer tube 10 inner tops.Under the aforementioned stable interface arrangment, the tongue piece 17 that enters breach 23 will thereby form circumferential location structure.When making outer tube 10 impose torsion, this outer tube 10 still can keep stablizing motionless state.

In above-mentioned preferred embodiment. be made as the narrow down wide tongue piece 17 of, reach with its complementary shaped and constitute breach wide at the top and narrow at the bottom 23, making both when winding, have desirable preliminary grafting nargin, can increase its stress surface on the one hand. the aspect then makes both grafting more easy in addition.

Fig. 6,7 show according to the outer tube 10 of said structure and in extension bar 20 inside insert respectively as elements such as coil 30, metal bearing 40 and contacts 50, with the required antenna structure of common formation one.

Above illustrated embodiment is only used the utility model for convenience of description, not from the utility model spirit category, have the knack of this industry skill personage various simple and easy distortion and the modification that can do, all must include in claim of the present utility model.

Claims

1, a kind of antenna internal and external insulating winding location structure, its outer tube and interior extension bar with the combination of can pegging graft each other constitutes the antenna main casing jointly, it is characterized in that:

2, according to the described antenna internal and external insulating of claim 1 winding location structure, it is characterized in that: this outer tube tongue piece is made as down narrow wide, and interior extension bar breach then is made as associated shape with wide top and narrow bottom.

3, according to the described antenna internal and external insulating of claim 1 winding location structure, it is characterized in that: second scrobicular ring that matches of this outer tube and interior extension bar reaches prominent ring and is made as downward obliquely expanded cone shape, and forms a level by shoulder.