CN2566490Y

CN2566490Y - Fixed device preventing plug being damaged deformation

Info

Publication number: CN2566490Y
Application number: CN 02251805
Authority: CN
Inventors: 张永昌
Original assignee: SHENMING PRECISION INDUSTRY Co Ltd
Current assignee: SHENMING PRECISION INDUSTRY Co Ltd
Priority date: 2002-08-29
Filing date: 2002-08-29
Publication date: 2003-08-13
Anticipated expiration: 2012-08-29

Abstract

The utility model discloses a fixing device preventing a plug from being damaged and deformed and a plug adopting the device. The outside of the sliver spring lamination at the O type terminal of the plug is provided with a fixing piece, and the fixing piece is sheathed on the outside of the sliver spring lamination at the O type terminal, which can be used for limiting the outward amount of deformation of the sliver spring lamination of the plug and preventing the amount of deformation of the sliver spring lamination from being oversize to result in the damage of the O type terminal and the weakness of the plugging and pulling force. The plug is caused to be more capable of bearing plugging and pulling, and the purpose of contact and conduction can be truly achieved.

Description

Prevent that plug from destroying the fixture of distortion

Technical field

The utility model relates to a kind of plug that prevents and destroys the fixture of distortion, refers to a kind of DC plug that is applicable to especially, and is available to prevent that O type terminal from destroying, the fixture of distortion.

Background technology

In Fig. 1, a kind of existing DC plug is disclosed, include an outer tube 10a and an O type terminal 20a who is made by electric conductor is constituted, be filled with insulator 30a between this O type terminal 20a and this outer tube 10a, make this O type terminal 20a and this outer tube 10a form two utmost points and separate shape, this O type terminal 20a is an O type body, is axially arranged with an elongated slot 21a in this O type terminal 20a upper edge, makes this O type terminal 20a be formed with two shell fragment 22a.So when being inserted in the DC plug to the terminal of inserting, this O type terminal 20a can envelope closely the terminal of inserting is contacted conducting.

But, this O type terminal 20a since two shell fragment 22a with slotting terminal is contacted, because of contact area greatly relatively makes its lifting surface area also bigger, and then influence its contact engaging and separating force and connect-disconnect life thereof.

See also Fig. 2, it is another kind of existing DC plug, this DC plug includes an outer tube 40a and and is made of the made O type terminal 50a of electric conductor, be filled with insulator 60a between this O type terminal 50a and this outer tube 40a, make this O type terminal 50a and this outer tube 40a form two utmost points and separate shape, this O type terminal 50a is an O type body, its leading section has been separated to form the rectangular shell fragment 51a of a plurality of sheets, the rectangular shell fragment 51a of these a plurality of sheets in position locates to bend inwards, and makes this O type terminal 50a form less internal diameter in its bending place.

Section portion is formed by the rectangular shell fragment 51a of a plurality of sheets with spigot being contacted before because of this O type terminal 50a, by the rectangular shell fragment 51a of these a plurality of sheets in the form of a ring with conducting that the terminal of inserting is contacted, so, can make whole contact engaging and separating force be scattered in the rectangular shell fragment 51a of a plurality of sheets respectively, make whole contact engaging and separating force little than steady change, and this each rectangular shell fragment 51a also can increase its connect-disconnect life, and be not easy elastic fatigue with all less to the area of slotting termination contact.

But, when the improper operation of user, when shaking to the terminal inserted, then should can contact the rectangular shell fragment 51a that this O type terminal 50a bends inwards originally to the terminal of inserting and outwards be out of shape, if when rectangular shell fragment 51a deflection is excessive, the destruction that then can cause O type terminal 50a, contact engaging and separating force is died down, not ability plug during use, and can cause rectangular shell fragment 51a with bad to the termination contact of inserting, can't reach the purpose of contact conducting really.

As from the foregoing, above-mentioned existing plug on reality is used, obviously exists inconvenience and shortcoming, and is necessary further to be improved.

Therefore, the present utility model people is kind at above-mentioned shortcoming, and the spy concentrates on studies and cooperates the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned shortcoming finally.

Summary of the invention

Technology technical problem to be solved in the utility model is to provide a kind of plug that prevents to destroy the fixture of distortion, it can be in order to the outside deflection of rectangular shell fragment of restriction plug, so can prevent that the destruction and the contact engaging and separating force of the excessive O of the causing type of rectangular shell fragment deflection terminal from dying down, the utility model has the characteristics of anti-plug when plug is used, and can reach the purpose of contact conducting really.

In order to reach above-mentioned purpose, the utility model provides a kind of plug that prevents to destroy the fixture of distortion, this plug inside has an O type terminal, this O type terminal leading section system is separated to form the rectangular shell fragment that is provided with and bends inwards at interval, and the rectangular shell fragment outer setting one of this O type terminal is in order to limit the fixture of the outside deflection of rectangular shell fragment.

The utility model provides prevent that plug from destroying the plug of distortion function, comprising: an outer tube a kind of having in addition; One O type terminal, it is arranged at this outer tube inside, and this O type terminal leading section has been separated to form the rectangular shell fragment that is provided with and bends inwards at interval; One insulator, it is arranged between this O type terminal and this outer tube; And one in order to limiting the fixture of the outside deflection of rectangular shell fragment, and this fixture system is arranged at the rectangular shell fragment outside of this O type terminal.

For enabling further to understand the feature and the technology contents of the utility model, see also following about detailed description of the present utility model and accompanying drawing, yet this accompanying drawing only be used to provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.

Description of drawings

Fig. 1 is the three-dimensional exploded view of existing DC plug.

Fig. 2 is the three-dimensional exploded view of another kind of existing DC plug.

Fig. 3 is the three-dimensional combination figure of the utility model first embodiment.

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

Fig. 5 is the cross sectional side view of the utility model first embodiment.

Fig. 6 is the sectional drawing of the utility model first embodiment.

Fig. 7 is the three-dimensional exploded view of the utility model second embodiment.

Fig. 8 is the cross sectional side view of the utility model the 3rd embodiment.

Embodiment

In Fig. 3-Fig. 8, the technical scheme that the utility model is suggested relates generally to following assembly: outer tube 10, socket 11, perforate 12, covering piece 13, O type terminal 20, rectangular shell fragment 21, flat 22, perforation 23, insulator 30, fixture 40, opening 41, fixture 40 ', opening 41 ', fixture 40 "

At Fig. 3, Fig. 4, among Fig. 5 and Fig. 6, the utility model provides a kind of plug that prevents to destroy the fixture of distortion, especially refer to a kind of improvement at DC plug, this DC plug includes an outer tube 10, an one O type terminal 20 and an insulator 30, this outer tube 10 is cylindrical, these outer tube 10 front ends have a socket 11, insert from this socket 11 for another terminal of inserting relatively, these outer tube 10 rear ends have a perforate 12, this perforate 12 connects with this socket 11, make this O type terminal 20 insert from here, and be provided with a covering piece 13, so that double team is lived wire rod in this outer tube 10 end edge places extension.

This O type terminal 20 is made by electric conductor, this O type terminal 20 inserts from the perforate 12 of these outer tube 10 rear ends, make this O type terminal 20 be arranged at this outer tube 10 inside, this O type terminal 20 inserts the back and is provided with insulator 30 at this

O type terminal

20 and 10 fillings of this outer tube, make this O type terminal 20 and this outer tube 10 form two utmost points and separate shape, this O type terminal 20 is an O type body, its leading section is separated to form the rectangular shell fragment 21 that a plurality of intervals are provided with, the rectangular shell fragment 21 of this multi-disc is in position located to bend inwards, make this O type terminal 20 form less internal diameter in its bending place, and these O type terminal 20 rearward end have a flat 22, on this flat 22, be provided with perforation 23, so that wire rod is welded in this.

In Fig. 5, this O type terminal 20 inserts from the perforate 12 of these outer tube 10 rear ends, thereafter filling insulator 30 between this O type terminal 20 and this outer tube 10 again, and make these outer tube 10 front ends be formed with socket 11, and the flat 22 and protruding being exposed to outside this outer tube 10 of this O type terminal 20, after treating wire rod is welded in perforation 23 on this flat 22, again this covering piece 13 is coated on the wire rod, can roughly finishes the assembling of a DC plug.

See also Fig. 6, section portion is formed by the rectangular shell fragment 21 of multi-disc with spigot being contacted before because of this O type terminal 20, by the rectangular shell fragment 21 of this multi-disc in the form of a ring with conducting that the terminal of inserting is contacted, so can make whole contact engaging and separating force be scattered in the rectangular shell fragment 21 of most sheets respectively, make whole contact engaging and separating force little than steady change, and this each rectangular shell fragment 21 also can increase its connect-disconnect life, and be not easy elastic fatigue with all less to the area of slotting termination contact.

The utility model mainly is at rectangular shell fragment 21 outer setting, one fixtures 40 of the multi-disc of this O type terminal 20 (as Fig. 4 and Fig. 5), this fixture 40 is an assembly independently, it is a round, this fixture 40 has an opening 41, make these fixture 40 diameters can have elasticity and change, this fixture 40 is sheathed on the rectangular shell fragment of multi-disc 21 outsides of this O type terminal 20; Destroy the fixture of distortion by above-mentioned composition to form the plug that prevents of the present utility model.

In addition, as shown in Figure 7, the utility model also can be at rectangular shell fragment 21 outer setting of the multi-disc of this O type terminal 20 one fixture 40 ', this fixture 40 ' is to be a sleeve-like, this fixture 40 ' sidewall has an opening 41 ', make this fixture 40 ' diameter can have elasticity and change, this fixture 40 ' is sheathed on the bigger scope in multi-disc rectangular shell fragment 21 outsides of this O type terminal 20.

In addition, as shown in Figure 8, the utility model also can be at rectangular shell fragment 21 outer setting of the multi-disc of this O type terminal 20 one fixture 40 "; this fixture 40 " be one with these insulator 30 integrated assemblies, it is a round and is fixedly arranged on this insulator 30 inwalls, this fixture 40 " be sheathed on the rectangular shell fragment of multi-disc 21 outsides of this O type terminal 20.

The utility model is in plug inside one fixture 40 ' that is positioned at the rectangular shell fragment of most sheets 21 outsides of O type terminal 20 to be set, 40 ' or 40 "; can be in order to limit the outside deflection of rectangular shell fragment 21;; make this contact rectangular shell fragment 21 that this O type terminal 20a bends inwards originally outwards during distortion; rectangular shell fragment 21 deflections can be subjected to being sheathed on outside fixture 40 ' to the terminal of inserting therefore when the improper operation of user; shake terminal to inserting, 40 ' or 40 " restriction; make the rectangular shell fragment 21 can the excessive phenomenon of the amount of deforming; can not cause the destruction and the contact engaging and separating force of O type terminal 20 to die down; so the utility model can prevent effectively that the destruction and the contact engaging and separating force of the excessive O of the causing type of rectangular shell fragment 21 deflections terminal from dying down; the utility model has when plug is used than ability plug property, and can reach the purpose of contact conducting really.

The above only is a preferable possible embodiments of the present utility model; be not to be used to place restrictions on scope of patent protection of the present utility model; so the equivalent structure that uses the utility model specification and graphic content to do such as changes, and all in like manner all is contained in the protection range of the present utility model.

Claims

1, a kind of plug that prevents destroys the fixture of distortion, this plug inside has an O type terminal, this O type terminal leading section is separated to form the rectangular shell fragment that is provided with and bends inwards at interval, it is characterized in that: the described rectangular shell fragment of outer setting one restriction of described rectangular shell fragment is the fixture of distortion outwards.

2, the plug that prevents as claimed in claim 1 destroys the fixture of distortion, and it is characterized in that: this fixture is round, and this fixture has an opening.

3, the plug that prevents as claimed in claim 1 destroys the fixture of distortion, and it is characterized in that: this fixture is sleeve-like, and this fixture has an opening.

4, the plug that prevents as claimed in claim 1 destroys the fixture of distortion, and it is characterized in that: this plug has an insulator, and this fixture system is one-body molded with this insulator.

5, prevent that plug from destroying the plug of distortion function, comprising a kind of having:

One outer tube;

One O type terminal, it is arranged at this outer tube inside, and this O type terminal leading section is separated to form the rectangular shell fragment that is provided with and bends inwards at interval;

One insulator, it is arranged between this O type terminal and this outer tube;

It is characterized in that: also comprise a fixture, described fixture is arranged on the rectangular shell fragment outside of described O type terminal and limits described rectangular shell fragment and outwards be out of shape.

6, as plug as described in the claim 5, it is characterized in that: this outer tube front end and rear end be tool one socket and a perforate respectively, and this perforate and this socket connect, and this O type terminal can be from the tapping insertion of this outer tube back-end.

7, as plug as described in the claim 5, it is characterized in that: this O type terminal rearward end has a flat, and this flat is provided with perforation.

8, as plug as described in the claim 5, it is characterized in that: this fixture is round, and this fixture has an opening.

9, as plug as described in the claim 5, it is characterized in that: this fixture is sleeve-like, and this fixture has an opening.

10, as plug as described in the claim 5, it is characterized in that: this fixture is one-body molded with this insulator.