CN201138705Y

CN201138705Y - Self locking plug

Info

Publication number: CN201138705Y
Application number: CNU2007201926968U
Authority: CN
Inventors: 王海龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-27
Filing date: 2007-11-27
Publication date: 2008-10-22
Anticipated expiration: 2017-11-27

Abstract

The utility model discloses a self-locking plug, which comprises a shell, a plug contact, a self-locking elastic component and a press handle. The self-locking elastic component comprises a self-locking section that extends out of the shell, a locating section and a stress transforming section; the self-locking section is positioned in parallel with the plug contact; one end of the self-locking section far from the shell bends towards the internal side of the plug contact; the stress transforming section basically has an arc line shape; the press handle comprises a press section and a prop section; the press section extends out of the shell; the prop section props against the stress transforming section on the self-locking elastic component. Therefore, the utility model has the advantages of simple structure, convenient application and excellent self-locking effect.

Description

Self-locking plug adapter

Technical field

The utility model belongs to electronic accessory technical field, is specifically related to a kind of self-locking attaching plug.

Background technology

Traditional attaching plug does not possess auto-lock function, combine by the friction between the flexure strip in header contact and the socket after pegging graft, use after a period of time owing to wearing and tearing and flexure strip elastic force weakens or reason such as distortion, it is loosening in conjunction with not firm that plugs and sockets is connected, poor stability during contact separates just plug is pulled with socket by external force slightly, is broken easily if plug lands, also cause disconnection fault in addition, bring a lot of troubles to the people.

Chinese patent 87202131 discloses a kind of self-locking type plugs and sockets that is used for appliances power source, a circulator made from insulating material is arranged on its socket, sleeve is fixed thereon, be equipped with two on the circulator and contain plural self-locking device, plug is opened the self-locking device on the circulator after inserting, then, rotate to an angle together with circulator, sleeve contact contact on the circulator is gone up connect the electrical spring sheet in the socket, thus energized.The shortcoming of this kind self-locking type plugs and sockets is: (1) member is too many, and structure is comparatively complicated, processing and fabricating inconvenience, and with respect to traditional plug, the cost increase is too high.(2) be locked between this kind self-locking type plug and the socket, unless it just can be pulled up after rotating to an angle, the profile and the traditional plug profile that add this self-locking type plug are close, it is traditional plug that normal generation user takes for it, directly firmly pull up this plug according to conventional method, to such an extent as to the accident that this kind plug is damaged.

The utility model content

The purpose of this utility model provides a kind of comparatively simple and self-locking effect of structure self-locking plug adapter preferably that has.

The technical scheme that realizes the utility model purpose is: a kind of self-locking plug adapter, comprise shell and header contact, and its design feature is: also comprise the self-locking elastic component and push handle; Described each self-locking elastic component comprise stretch out shell from the lock section, location division and stress deformation portion, describedly be arranged side by side from lock section and header contact, it is away from the interior side direction bending towards header contact of an end of shell, and the basic configuration of described stress deformation portion is a camber line shape; The described handle of respectively pushing comprises press section and roof pressure portion, and shell is stretched out in described press section, and described roof pressure portion is against in the stress deformation portion of self-locking elastic component.

Described self-locking elastic component comprise the base portion nearer apart from shell from the lock section, away from shell and towards the tight lock part of the interior side direction bending of header contact and the transition connection part of the camber line shape that is connected described base portion and tight lock part.

Described base portion is positioned at the outside of its corresponding header contact, and described tight lock part is positioned at the inboard of its corresponding header contact.

Described header contact is provided with spacing hole, and described tight lock part from the lock section is towards its corresponding header contact inside bend and pass this spacing hole.

The distance of the inner surface of its corresponding header contact of top distance of described tight lock part from the lock section is 0.5 millimeter to 3 millimeters.

The basic configuration of the stress deformation portion of described self-locking elastic component is the crooked laterally camber line shape that forms, and the bending direction away from an end of shell from the lock section of its bending direction and self-locking elastic component is opposite.

This self-locking plug adapter also is included as to be pushed handle and resets the return springs of elastic force is provided.

One end of described return springs is against to be pushed on the handle, and the other end and shell relative fixed are provided with.

The quantity of described self-locking elastic component is two, and described quantity of pushing handle is two, describedly pushes the two side ends that handle is arranged on shell.

The location division of described self-locking elastic component is provided with in the enclosure; Be provided with the reference column of the location division that is used for fixing the self-locking elastic component in the described shell.

The utlity model has positive effect:

(1) self-locking plug adapter of the present utility model adopts the conduct of self-locking elastic component from locking element, during use, pinch and push handle and firmly push to the inside, push the stress deformation portion of handle extruding self-locking elastic component, make it distortion, thereby the lateral direction towards header contact from the lock section of self-locking elastic component is moved, thereby the utility model can be inserted in the socket; When unclamp push handle after, described stress deformation portion homing, described from the lock section also homing, thereby the utility model is locked on the socket; So the utlity model has comparatively simple, the easy to use and self-locking effect of structure advantage preferably.

(2) when the utility model after between the base portion of self-locking elastic component and the tight lock part transition connection part of camber line shape being set, when firmly pulling up even the user thinks the utility model by mistake traditional plug, because the camber line shape of transition connection part has adaptability preferably, can guarantee effectively that the utility model can be pulled up smoothly, the utility model product and external socket all can not be damaged simultaneously.

Description of drawings

Fig. 1 is a kind of perspective view of the present utility model;

Fig. 2 is the perspective view of self-locking plug adapter shown in Figure 1 after removing the part shell;

Fig. 3 is the perspective view of self-locking plug adapter shown in Figure 2 after removing cushion block;

The perspective view that Fig. 4 is a self-locking plug adapter shown in Figure 3 when another angle is observed;

Fig. 5 is the structural representation of self-locking plug adapter shown in Figure 3 during from top view.

Reference numeral is: shell 1, and header contact 2, spacing hole 21, self-locking elastic component 3, from the lock section 31, base portion 311, tight lock part 312, transition connection part 313, location division 32, handle 4 is pushed by stress deformation portion 33, press section 41, roof pressure portion 42, return springs 5, reference column 6, cushion block 7.

Embodiment

(embodiment 1)

Fig. 1 to Fig. 5 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is a kind of perspective view of the present utility model; Fig. 2 is the perspective view of self-locking plug adapter shown in Figure 1 after removing the part shell; Fig. 3 is the perspective view of self-locking plug adapter shown in Figure 2 after removing cushion block; The perspective view that Fig. 4 is a self-locking plug adapter shown in Figure 3 when another angle is observed; Fig. 5 is the structural representation of self-locking plug adapter shown in Figure 3 during from top view.

The self-locking plug adapter of present embodiment, comprise shell 1, two header contact 2, two self-locking elastic components 3, two push handle 4 and reset two return springs 5 of elastic force are provided for pushing handle 4.Employing sheet spring in the present embodiment adopts the screw thread spring as return springs 5 as self-locking elastic component 3.Described each self-locking elastic component 3 comprise stretch out shell 1 from the lock section 31, location division 32 and stress deformation portion 33, describedly 31 be arranged side by side with header contact 2 from the lock section, it is away from the interior side direction bending towards header contact 2 of an end of shell 1, and the basic configuration of described stress deformation portion 33 is camber line shapes; The described handle 4 of respectively pushing comprises press section 41 and roof pressure portion 42, and shell 1 is stretched out in described press section 41, and described roof pressure portion 42 is against in the stress deformation portion 33 of self-locking elastic component 3.Described self-locking elastic component 3 31 comprise the base portion 311 nearer from the lock section apart from shell 1, away from shell 1 and towards the tight lock part 312 of the interior side direction bending of header contact 2 and the transition connection part 313 of the camber line shape that is connected described base portion 311 and tight lock part 312.Described base portion 311 is positioned at the outside of its corresponding header contact 2, and described tight lock part 312 is positioned at the inboard of its corresponding header contact 2.Described header contact 2 is provided with spacing hole 21, described from the lock section 31 tight lock part 312 towards its corresponding header contact 2 inside bend and pass this spacing hole 21.The distance D of the inner surface of its corresponding header contact 2 of top distance of described tight lock part 312 from lock section 31 is generally selected from 0.5 millimeter to 3 millimeters length, and present embodiment is selected 2 millimeters for use.

The basic configuration of the stress deformation portion 33 of described self-locking elastic component 3 is crooked laterally camber line shapes that form, and 31 the bending direction away from an end of shell 1 from the lock section of its bending direction and self-locking elastic component 3 is opposite.One end of described return springs 5 is against to be pushed on the handle 4, and the other end is against on the header contact 2.

Be provided with three reference columns 6 in the described shell 1, be used for the location division 32 of self-locking elastic component 3 is fixed in the shell 1.

Also be provided with cushion block 7 in the shell 1 of present embodiment, described cushion block 7 is used to be fixed header contact 2.

Present embodiment mainly has following beneficial effect:

(1) self-locking plug adapter of present embodiment adopts the conduct of self-locking elastic component from locking element, during use, pinch and push handle and firmly push to the inside, push the stress deformation portion of handle extruding self-locking elastic component, make it distortion, thereby the lateral direction towards header contact from the lock section of self-locking elastic component is moved, thereby present embodiment can be inserted in the socket; When unclamp push handle after, described stress deformation portion homing, described from the lock section also homing, thereby present embodiment is locked on the socket; So present embodiment has comparatively simple, the easy to use and self-locking effect of structure advantage preferably.

(2) when present embodiment after between the base portion of self-locking elastic component and the tight lock part transition connection part of camber line shape being set, when firmly pulling up even the user thinks present embodiment by mistake traditional plug, because the camber line shape of transition connection part has adaptability preferably, can guarantee effectively that present embodiment can be pulled up smoothly, present embodiment product and external socket all can not be damaged simultaneously.

Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection range of the present utility model.

Claims

1, a kind of self-locking plug adapter comprises shell (1) and header contact (2), it is characterized in that: also comprise self-locking elastic component (3) and push handle (4); Described each self-locking elastic component (3) comprises (31), location division (32) and the stress deformation portion (33) from the lock section of stretching out shell (1), it is described that (31) are arranged side by side with header contact (2) from the lock section, it is away from the interior side direction bending towards header contact (2) of an end of shell (1), and the basic configuration of described stress deformation portion (33) is a camber line shape; The described handle (4) of respectively pushing comprises press section (41) and roof pressure portion (42), and described press section (41) stretch out shell (1), and described roof pressure portion (42) is against in the stress deformation portion (33) of self-locking elastic component (3).

2, self-locking plug adapter according to claim 1 is characterized in that: described self-locking elastic component (3) from the lock section (31) comprise the base portion (311) nearer apart from shell (1), away from shell (1) and towards the tight lock part (312) of the interior side direction bending of header contact (2) and the transition connection part (313) of the camber line shape that is connected described base portion (311) and tight lock part (312).

3, self-locking plug adapter according to claim 2 is characterized in that: described base portion (311) is positioned at the outside of its corresponding header contact (2), and described tight lock part (312) is positioned at the inboard of its corresponding header contact (2).

4, self-locking plug adapter according to claim 3, it is characterized in that: described header contact (2) is provided with spacing hole (21), described from the lock section tight lock part (312) of (31) towards its corresponding header contact (2) inside bend and pass this spacing hole (21).

5, self-locking plug adapter according to claim 3 is characterized in that: described the distance of the inner surface of its corresponding header contact of top distance (2) of the tight lock part (312) of (31) is 0.5 millimeter to 3 millimeters from the lock section.

6, self-locking plug adapter according to claim 1, it is characterized in that: the basic configuration of the stress deformation portion (33) of described self-locking elastic component (3) is the crooked laterally camber line shape that forms, and the bending direction away from an end of shell (1) of (31) from the lock section of its bending direction and self-locking elastic component (3) is opposite.

7, self-locking plug adapter according to claim 1 is characterized in that: this self-locking plug adapter also is included as to be pushed handle (4) and resets the return springs of elastic force (5) is provided.

8, self-locking plug adapter according to claim 7 is characterized in that: an end of described return springs (5) is against pushes on the handle (4) other end and shell (1) relative fixed setting.

9, self-locking plug adapter according to claim 1 is characterized in that: the quantity of described self-locking elastic component (3) is two, and described quantity of pushing handle (4) is two, describedly pushes the two side ends that handle (4) is arranged on shell (1).

10, self-locking plug adapter according to claim 1 is characterized in that: the location division (32) of described self-locking elastic component (3) is arranged in the shell (1); Be provided with the reference column (6) of the location division (32) that is used for fixing self-locking elastic component (3) in the described shell (1).