CN201616551U

CN201616551U - Protecting device of terminal

Info

Publication number: CN201616551U
Application number: CN2010201395405U
Authority: CN
Inventors: 朱茂昌; 叶必坚
Original assignee: BO-JIANG TECHNOLOGY Co Ltd
Current assignee: BO-JIANG TECHNOLOGY Co Ltd
Priority date: 2010-03-10
Filing date: 2010-03-10
Publication date: 2010-10-27
Anticipated expiration: 2020-03-10

Abstract

The utility model provides a protecting device of a terminal. The protecting device is a sheath which is internally formed with a through passage that is provided with a first opening and a second opening; the passage sequentially comprises an extending section, a shrinking section and a covering section in the direction from the first opening to the second opening; the shrinking section and the covering section are connected with each other by a position-limiting sidestep surface; therefore, the terminal and a cable pass through the passage of the sheath; the terminal props against the position-limiting sidestep surface of the internal wall of the sheath so as to form a positioning relationship; the extending section of the sheath covers the jointing part of the terminal; the shrinking section and the covering section cover the outer parts of the terminal and the cable so as to generate the waterproof effect; therefore, the oxidation does not occur as the terminal is avoided to be contacted with the water and the air; furthermore, the signal transmission effect can be maintained and the service life of the terminal is prolonged.

Description

Device for protection of terminal

Technical field

The utility model provides a kind of device for protection of terminal, refers to especially a kind ofly can be coated on terminal outer really, can avoid terminal to contact the protective device that produces oxidation with aqueous vapor, has maintenance signal and transmits effect and prolong the terminal advantage and the effect in useful life.

Background technology

Wire terminal is to be many electrical appliances one of very common element on circuit layout, it is mainly used to connect the work of establishing as electric wire, and general terminal can generally be divided into indoor terminal and outdoor terminal according to installing and use the zone difference, wherein, because outdoor terminal directly is installed in outdoor use, therefore on the structural design of terminal, more note emphasis such as waterproof, protection against the tide, to avoid airborne aqueous vapor directly to produce short circuit or oxidative phenomena, influence signal transmission effect then and reduce terminal useful life with termination contact.

See also shown in Figure 1, the structure of the outdoor terminal 1 of tradition generally comprises a body 11, the center needle 13 that body 11 inside are provided with insulator 12 and link with cable 2, the shell 14 of the free turn of body 1 an outside sheathed adjustable point, described shell 14 forms convenient polygonal section 141 of gripping rotation, and the direct tube section 142 of front end, shell 14 inwalls form internal thread 143.Mat it, utilize internal thread 143 and can engage (as shown in Figure 2), to carry out the work that signal transmits with external screw thread 31 locking of other terminal components 3.

But, after looking into the outdoor terminal of above-mentioned tradition and utilizing the external screw thread locking of internal thread and other terminal components to engage, though but have basic waterproof effect and the block water air infiltration is gone into inside.Yet, because outdoor terminal long term exposure is in air, adding its part is made by metal material mostly, therefore, can't avoid outdoor terminal directly to contact at all,, just can produce oxidation because outdoor terminal contacts with aqueous vapor so terminal was exposed in the air after a period of time out of doors with airborne aqueous vapor, thus, the signal that not only influences outdoor terminal transmits effect and can reduce its useful life.

Because traditional outdoor terminal is difficult to avoid contacting and producing with aqueous vapor the problem of oxidation, we creator specially researches and develops a kind of protective device at the structure of outdoor terminal, and is having the utility model to come out through after constantly testing and improveing.

Summary of the invention

The purpose of this utility model is to solve traditional outdoor terminal and directly is exposed in the air, and produces oxidation with aqueous vapor, so that the problem that exerts an influence signal transmission effect and reduce useful life.

The utility model mainly provides a kind of device for protection of terminal; described device for protection of terminal is a sheath; described sheath inside forms penetrating via; described passage tool first opening and second opening; described passage is extension, contraction section in regular turn towards second opening by first opening and coats section, encircles spacing terrace with one between described contraction section and described coatings section and is connected.

According to the device for protection of terminal of the above; wherein; described coating section is formed with the first coating section according to the external diameter of terminal and cable, first converging transition, second coats section, second converging transition and the 3rd coating section, and described spacing terrace is between the contraction section and the first coating section.

By above setting, the utility model can be coated on terminal outer, avoids terminal to contact with aqueous vapor and produces oxidation, has maintenance signal and transmits effect and prolong advantage and effect such as terminal useful life.

Description of drawings

Fig. 1 is the organigram of traditional outdoor terminal;

Fig. 2 is traditional outdoor terminal and other terminal component bonding state schematic diagrames;

Fig. 3 is a three-dimensional appearance schematic diagram of the present utility model;

Fig. 4 is a cross-sectional schematic of the present utility model;

Fig. 5 is that the utility model is set in outdoor terminal and cable external status schematic diagram;

Fig. 6 is the schematic diagram that the utility model is coated on outdoor terminal, cable and other terminal component outsides.

The outdoor terminal of description of reference numerals: 1-; The 11-body; The 12-insulator; The 13-center needle; The 14-shell; Polygonal section of 141-; The 142-direct tube section; The 143-internal thread; The 2-cable; The 3-terminal component; The 31-external screw thread; The 4-sheath; The 41-passage; 411-first opening; 412-second opening; The 42-extension; The 43-contraction section; 44-coats section; 441-first coats section; 442-first converging transition; 443-second coats section; 444-second converging transition; 445-the 3rd coats section; The spacing terrace of 45-.

Embodiment

About this creator's technological means, lift a kind of preferable possible embodiments and cooperate graphicly in hereinafter being elaborated, understand and admit the utility model in depth on an ancient unit of weight.

As shown in Figure 3, Figure 4, the utility model provides a sheath 4, and described sheath 4 can be made by translucent flexible toughness material (for example silica gel) or other materials.Sheath of the present utility model 4 inside form penetrating via 41, described passage 41 tools, first opening 411 and second opening 412, described passage 41 is extension 42 by first opening 411 towards second opening 412 in regular turn, contraction section 43 and coating section 44, described coating section 44 corresponding outdoor terminals 1 form first of different inner diameters and coat section 441 with the external diameter of cable 2, first converging transition 442, second coats section 443, second converging transition 444 and the 3rd coats section 445, and the internal diameter of described contraction section 43 is less than the internal diameter of the first coating section 441, therefore coat at contraction section 43 and first and form the spacing terrace 45 of a ring between the section 441, and described first internal diameter that coats section 441 is slightly less than the external diameter of outdoor terminal 1 corresponding position, therefore can produce the effect of tightening to outdoor terminal 1.

Fixing mode and bonding state about sheath 4 of the present utility model and outdoor terminal 1 see also Fig. 5, shown in Figure 6, at first sheath 4 of the present utility model is sheathed on outdoor terminal 1 and cable 2 outsides, its mode of wearing is the shell 14 with first opening, the 411 corresponding outdoor terminals 1 of passage 41, and with second opening 412 of passage 41 corresponding to cable 2, and then promote sheath 4 along cable 2 towards outdoor terminal 1 direction displacement, make sheath 4 be coated on outdoor terminal 1 and cable 2 outsides, at this moment, the extension 42 of described sheath 4 convexedly stretches in outdoor terminal 1 front end, and contraction section 43 correspondences are coated on direct tube section 142 outsides of outdoor terminal 1, and the first coating section, 441 correspondences that coat section 44 are coated on polygonal section 141 of outdoor terminal 1, and produce one to polygonal section 141 and tighten power, and make polygonal section 141 corner be butted on the spacing terrace 45 of sheath 4 inwalls with direct tube section 142, so can make the anxiety of sheath 4 of the present utility model and outdoor terminal 1 formation positioning states and non-loosening or slippage, and remaining first converging transition 442, second coats section 443, second converging transition 444 and the 3rd coats 445 corresponding respectively body 11 and cables 2 that are coated on outdoor terminal 1 rear end of section.

Mat it, when outdoor terminal 1 and 3 lockings of other terminal components engage, see also shown in Figure 6ly, the extension 42 of sheath 4 of the present utility model just can be coated on the joint outside of outdoor terminal 1 and other terminal components 3 simultaneously.Be to know; sheath 4 of the present utility model not only can be protected outdoor terminal 1 and cable 2, more can protect the joint with other terminal components 3, with really isolated aqueous vapor; avoid producing oxidation, and then produce maintenance signal transmission effect and prolong the terminal advantage and the effect in useful life.

Take a broad view of above-mentioned, the disclosed technological means of the utility model not only is not seen before, and really can reach and cause its intended purposes and effect, so have novelty and progressive concurrently, really belong to alleged novel errorless of Patent Law, with its overall structure, really met the legal important document of Patent Law, novel patent application is proposed in accordance with the law.

But the above, it only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, the i.e. equivalence of being done according to the utility model claim and utility model description generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1. device for protection of terminal; it is characterized in that; described device for protection of terminal is a sheath; described sheath inside forms penetrating via; described passage tool first opening and second opening; described passage is extension, contraction section in regular turn towards described second opening by described first opening and coats section, encircles spacing terrace with one between described contraction section and described coatings section and is connected.

2. device for protection of terminal as claimed in claim 1; it is characterized in that; described coating section is formed with the first coating section according to the external diameter of terminal and cable, first converging transition, second coats section, second converging transition and the 3rd coating section, and described spacing terrace is between described contraction section and the described first coating section.