CN203300893U

CN203300893U - Connection stabilizing member

Info

Publication number: CN203300893U
Application number: CN2013203565955U
Authority: CN
Inventors: 赖弘明; 呼志明
Original assignee: FSP Technology Inc
Current assignee: FSP Technology Inc
Priority date: 2013-06-20
Filing date: 2013-06-20
Publication date: 2013-11-20
Anticipated expiration: 2023-06-20
Also published as: TWM490677U

Abstract

The utility model discloses a connection stabilizing member. The connection stabilizing member is suitable for stabilization of an output plug and a joint which are pluggingly connected in a power adapter, one end of the connection stabilizing member is detachably connected with the joint, the other end of the connection stabilizing member is detachably connected with the output plug, the connection stabilizing member prevents the output plug and the joint from moving in disengaging directions, the joint strength of the output plug and the joint which are pluggingly connected is increased, and power instability caused by external impact to the output plug and the joint which are pluggingly connected is solved.

Description

Stable connection spare

Technical field

The utility model relates to a kind of stable connection spare, relates in particular to a kind of in power-supply adapter, output plug and the joint of grafting carry out firm stable connection spare mutually.

Background technology

, along with the rapid growth of economy and improving constantly of people's living standard, make computer spread to each corner in people life, thereby make computer play more and more important impetus to the mankind's development.

at present, the kind of industrial computer (IPC) on the market is a lot, but each kind demand seldom, wherein, the industrial computer of higher wattage (greater than 1000W) can arrange customized power supply unit in main frame, and middle wattage (approximately the industrial computer of 100W～200W) can't arrange customized power supply unit due to Cost Problems in main frame, also can't use on the market than the power supply unit of low wattage (100W is following), therefore, utilize power-supply adapter (also to claim power supply adaptor, adaptor) provide power supply to the industrial computer of this kind, yet, the joint (tip) of general power-supply adapter can only be applicable to the industrial computer of same type.therefore, the power-supply adapter 200 of planting replaceable joint 202 is as shown in Figure 1 arranged now, the joint 202 that the user can replace various couplings as shown in Figure 3 voluntarily is plugged to corresponding industrial computer, the other end of joint 202 is plugged to D. C. output plug (plug) 201, but, industrial computer is all to use on the visual plant of factory, the stability of power supply supply is very important to the normal operation of keeping industrial computer, and for example shown in Figure 2, the anode and cathode terminals 202a of

known joint

202, 202b is inserted in the both positive and negative polarity slotted eye 201a on D. C. output plug 201, after 201b, be easy to be subject to the collision of external force, make joint 202 separate or loose contact with the grafting of D. C. output plug 201 is loosening, transmit DC power supply to industrial computer and cause power-supply adapter 200 to stablize, make industrial computer cisco unity malfunction and affect manufacturing schedule, thereby cause unnecessary economic loss.

Therefore, be badly in need of a kind of stable connection spare and overcome above-mentioned defect.

The utility model content

The purpose of this utility model is to provide a kind of output plug and joint that can overcome mutual grafting in power-supply adapter to cause the stable connection spare of the unstable problem of power supply supply because being subject to external force collision.

For achieving the above object, the utility model provides a kind of stable connection spare, applicable in power-supply adapter, output plug and the joint of grafting carry out firmly mutually, wherein, one end of stable connection spare of the present utility model is connected with joint is dismountable, the other end of stable connection spare is connected with output plug is dismountable, and stable connection spare stops that output plug and joint are along the direction activity that breaks away from the other side.

Preferably, stable connection spare of the present utility model comprises that can mutually open and close first of cooperation covers body and second and cover body, first covers body and the second closure that covers body forms a host cavity, host cavity is accommodated in the output plug of grafting and joint at least one, first covers body and second covers in body at least one and stops output plug along the direction activity that breaks away from joint, and first covers body and second covers that in body, at least one stops that joint is along the direction activity that breaks away from output plug.

Preferably, first cover closure that body and second covers body and also form the breach that is connected with host cavity and stretches out for the output of joint.

Preferably, stable connection spare of the present utility model also comprises connecting portion, the side that one end of connecting portion and first covers body is connected, the side that the other end of connecting portion and second covers body is connected, and the second opposite side that covers body rotates to the first opposite side that covers body and makes described second to cover body and first to cover body closed mutually by connecting portion.

Preferably, first covers the one that body and second covers in body has the first buckling parts, and first covers the another one that body and second covers in body has the second buckling parts; First covers body and second covers body when closed mutually, and the first buckling parts and the second buckling parts are interlocked.

Preferably, the one in the first buckling parts and the second buckling parts is for fastening projection, and the another one in the first buckling parts and the second buckling parts is for fastening slotted eye.

Preferably, first covers body and second covers that in body, at least one offers accepting groove, and accepting groove covers body and second first and covers body and form host cavity when closed mutually.

Preferably, first covers body and second covers body and all extends stop part in accepting groove, and stop part stops that output plug and joint are along the direction activity that breaks away from the other side.

Preferably, the first stop part that covers body comprises the first stop part and the second stop part, the first stop part is positioned at first end that covers body, and the first stop part is inconsistent along direction and joint that joint breaks away from output plug, the second stop part is positioned at the first center that covers body, and second to cover the stop part of body corresponding with the second stop part and with the second stop part, jointly clamp output plug in host cavity.

Preferably, the first stop part that covers body comprises the first stop part and the second stop part, the first stop part is positioned at first end that covers body, and the first stop part is inconsistent along direction and joint that joint breaks away from output plug, the second stop part is positioned at first another end that covers body, second to cover the stop part of body corresponding with the second stop part, and second covers the stop part of body and the second stop part all along output plug, to break away from direction and the output plug of joint inconsistent.

Compared with prior art, because an end of stable connection spare of the present utility model is connected with joint is dismountable, the other end of stable connection spare is connected with output plug is dismountable, and stable connection spare stops that output plug and joint are along the direction activity that breaks away from the other side, the output plug of mutual grafting in the power-supply adapter and the bonding strength between joint have been increased, thereby output plug and the joint that can overcome mutual grafting cause the unsettled problem of power supply supply because being subject to external force collision, therefore, stable connection spare of the present utility model can be guaranteed the stability of power supply supply; Simultaneously, because stable connection spare of the present utility model removably connects with output plug and joint respectively, therefore the mutual grafting of being convenient between various types of replacement adaptors and output plug operates.

Description of drawings

Fig. 1 is the perspective view of existing power-supply adapter.

Fig. 2 is the enlarged drawing of A part in Fig. 1.

Fig. 3 is the planar structure schematic diagram that existing power-supply adapter uses various replacement adaptors.

Fig. 4 is the perspective view of the stable connection spare of the utility model the first embodiment.

Fig. 5 is that the stable connection spare of the utility model the first embodiment does not carry out perspective view when firm to the output plug of power-supply adapter and joint.

Fig. 6 is that the stable connection spare of the utility model the first embodiment carries out perspective view after firm to the output plug of mutually pegging graft in power-supply adapter and joint.

Fig. 7 is the perspective view of the stable connection spare of the utility model the second embodiment.

Fig. 8 is that the stable connection spare of the utility model the second embodiment does not carry out perspective view when firm to the output plug of power-supply adapter and joint.

Fig. 9 is that the utility model the second embodiment stable connection spare is to the perspective view after in power-supply adapter, mutual output plug of pegging graft and joint carry out firmly.

Embodiment

The utility model will be further described below in conjunction with accompanying drawing and preferred embodiment, but execution mode of the present utility model is not limited to this.

See also Fig. 4, showed the first embodiment of stable connection spare of the present utility model.the stable connection spare of the present embodiment 100 use are carried out firmly output plug 201 and the joint 202 of mutually pegging graft in power-supply adapter 200 as shown in Figure 1, wherein, the right-hand member of the stable connection spare of the present embodiment 100 is connected with joint 202 is dismountable, the left end of stable connection spare 100 is connected with output plug 201 is dismountable, and stable connection spare 100 stops that output plug 201 and joint 202 are along the direction activity that breaks away from the other side, namely in Fig. 5, stable connection spare 100 stops joint 202 along the rightabout activity of arrow B indication and stops the direction activity of output plug 201 along the arrow B indication, more excellently be, in the present embodiment, stable connection spare 100 is to stop that output plug 201 and joint 202 move along the direction that breaks away from the other side, to simplify the structure of stable connection spare 100, thereby the output plug 201 of mutual grafting and joint 202 have effectively been overcome because being subjected to external force collision to cause the unsettled problem of power supply supply.Particularly, as follows:

please in conjunction with Fig. 5 and Fig. 6, the stable connection spare of the present embodiment 100 comprises that can mutually open and close first of cooperation covers body 10 and second and cover body 20, first covers body 10 and the second closure that covers body 20 forms a host cavity 30, host cavity 30 is accommodated in the output plug 201 of grafting and joint 202 at least one, and first covers body 10 and second covers in body 20 at least one and stops that output plug 201 is along the direction activity that breaks away from joints 202, first covers body 10 and second covers in body 20 at least one and stops that joint 202 is along the direction activity that breaks away from output plugs 201, so that when the more compact structure of the stable connection spare of the present embodiment 100, firmly more reliable between the output plug 201 of mutual grafting and joint 202.Particularly, in the present embodiment, host cavity 30 is output plug 201 and the joints 202 of accommodating simultaneously mutual grafting, and first covers closure that body 10 and second covers body 20 also forms the breach 40 that is connected with host cavity 30 and supplies the output of joint 202 to stretch out, more excellent is, the output of joint 202 is that the direction that breaks away from output plug 201 with this joint 202 is perpendicular staggered,, so that the output of joint 202 stretches out outside host cavity 30, thereby be convenient to joint 202, with the industrial computer in the external world, be electrically connected; Certainly, in other embodiments, host cavity 30 is designed to accommodate output plug 201 or joint 202 gets final product, therefore not with above-mentioned being limited for example; And in the present embodiment, first to cover body 10 be to select stopping of butt joint 202 simultaneously and output plug 201, and second to cover body 20 be to select stopping output plug 201; Certainly, in other embodiments, first covers body 10 can select stopping of butt joint 202, and second covers stopping of 20 pairs of output plugs 201 of body; Perhaps first cover body 10 and select the stopping of output plug 201, second covers body 20 selects stopping of butt joints 202; Or first cover body 10 and second and cover body 20 and all output plug 201 and joint 202 such as are stopped at the mode.

Simultaneously, the stable connection spare of the present embodiment 100 also comprises connecting portion 50, the rear end of connecting portion 50 is connected with the first front side that covers body 10, the front end of connecting portion 50 is connected with the second rear side that covers body 20, the second front side that covers body 20 makes second to cover body 20 and first to cover body 10 closed mutually by connecting portion 50 and along the rear side that the direction rotation to the first of arrow D indication in Fig. 5 covers body 10, so that 100 pairs of output plug 201 and joints 202 of mutually pegging graft of the stable connection spare of the present embodiment coat; Particularly, in the present embodiment, connecting portion 50 is chosen as two, and two connecting portions 50 are isolated first front side and second that covers body 10 that is connected in and cover the rear side part of body 20, to increase by first, cover body 10 and the second connection reliability that covers between body 20; Certainly, in other embodiments, the number of connecting portion 50 also is chosen as one, three, four or five and does not wait, but not as limit; And connecting portion 50 is flexible structure, so that second covers body 20 and can rotate to first and cover body 10 places by connecting portion 50.

Moreover, first covers body 10 has the first buckling parts 11, second covers body 20 has the second buckling parts 21, cover body 10 and second and cover body 20 when closed mutually when first, the first buckling parts 11 and the second buckling parts 21 of this moment are interlocked, thereby realize that covering body 10 and second to first covers the snap lock of body 20 when the closure, on the contrary, when the first buckling parts 11 and the second buckling parts 21 are released button mutually, cover body 10 and second and cover body 20 and can open first of this moment, thereby realize that first covers body 10 and second and cover the purpose that can mutually open and close cooperation of body 20; Particularly, in the present embodiment, the first buckling parts 11 is to be arranged at first to cover on the rear side of body 10, accordingly, the second buckling parts 21 is arranged at second and covers on the front side of body 20, while in the second front side that covers body 20, by connecting portion 50 rotations, to first, covering the rear side of body 10, the first buckling parts 11 and the second buckling parts 21 are interlocked, thereby realize that first covers body 10 and second and cover the closed-lock of body 20; More specifically, in the present embodiment, the first buckling parts 11 and the second buckling parts 21 all are chosen as two, two first buckling partss 11 and the second buckling parts 21 all are isolated layout, the reliability that is connected with the second front side that covers body 20 to increase by the first rear side that covers body 10, certainly, in other embodiments, the first buckling parts 11 and the second buckling parts 21 can also be chosen as one, three, four or five, but not as limit; Preferentially, the first buckling parts 11 is that fastening slotted eye 111, the second buckling partss 21 are a fastening projection 211, to simplify the fit structure between the first buckling parts 11 and the second buckling parts 21.will be understood that, in other embodiments, the first buckling parts 11 is a fastening slotted eye 111 for fastening projection 211, the second buckling partss 21, the same purpose that can realize the first buckling parts 11 and the second buckling parts 21 mutual fastenings, in like manner, the front side and the second rear side that covers body 20 that cover body 10 due to first of the present embodiment are connected with connecting portion 50, therefore first of the present embodiment covers the rear side place that the front side and second of body 10 covers body 20 and is not provided with the first buckling parts 11 and the second buckling parts 21 again, when the cooperation with the first buckling parts 11 and the second buckling parts 21 removes to replace connecting portion 50 between the rear side that the first front side and second that covers body 10 covers body 20, cover body 10 and second first of this moment, and to cover body 20 be that the mode that covers removes to form host cavity 30, thereby be more convenient for first covering body 10 and second and covering 20 pairs of output plugs 201 of body and the firm operation of joint 202.

Finally, first covers body 10 and second covers that in body 20, at least one offers accepting

groove

12,22, particularly, in the present embodiment, first covers body 10 and second covers body 20 and all offers accepting

groove

12,22, accepting

groove

12,22 covers body 10 and second first and covers body 30 and form host cavity 30 when closed mutually, to simplify the forming process of host cavity 30.And first covers body 10 and second covers body 20 and all extends

stop part

13,23 in accepting

groove

12,22, stop

part

13,23 stops output plug 201 and joint 202 along the direction activity that breaks away from the other side, and more excellent is that stop

part

13,23 stops that output plug 201 and joint 202 move along the direction that breaks away from the other side.More excellently be, the first stop part 13 that covers body 10 comprises the first stop part 131 and the second stop part 132, the first stop part 131 is positioned at first end that covers body 10, more excellent is that the first stop part 131 is positioned at the first end that covers the right-hand member of body 10, and the first stop part 131 is right-end openings that sealing first covers the accepting groove 12 of body 10, and the first stop part 131 is inconsistent with joint 202 along the direction (being the rightabout of arrow B indication in Fig. 5) that joint 202 breaks away from output plug 201, and limiting joint 202 comes off along the rightabout of Fig. 5 arrow B indication; The second stop part 132 is positioned at the first center that covers body 10, second cover the stop part 23 of body 20 corresponding with the second stop part 132 (namely the second stop part 23 that covers body 20 is also to be positioned at the second center that covers body 20) and with the second common output plug 201 that clamps host cavity 30 of stop part 132, thereby prevent that output plug 201 from coming off with joint 202 mutually along the direction of arrow B indication in Fig. 5, thus make the output plug 201 of mutual grafting and the connection between joint 202 more reliable.For example, for making output plug 201 be clamped more reliably by the stop part 23 that the second stop part 132 and second covers body 20, therefore the second stop part 132 and second covers the stop part 23 of body 20 and may be selected to be laminated structure, and the middle part of this laminated structure is protruding in output plug 201; For the inwall that makes joint 202 and first cover the accepting groove 12 at body 10 right-hand member places coordinates tightr, therefore first covers on the inwall of accepting groove 12 at body 10 right-hand member places and is provided with clamping section 14, this clamping section 14 and first covers the interior joint 202 of accepting groove 12 of body 10 and closely conflicts mutually, and clamping section 14 may be selected to be a column construction to simplify the structure of clamping section 14, but not as limit.

in conjunction with Fig. 4 to Fig. 6, operation principle to the stable connection spare of utility model the first embodiment is elaborated: when needs carry out output plug 201 and joint 202 when firm, the anode and cathode terminals of the replacement adaptor 202 that need to first will choose this moment is aimed at the both positive and negative polarity slotted eye on output plug 201, and make joint 202 move and make the anode and cathode terminals of joint 202 be plugged in both positive and negative polarity slotted eye on output plug 201 along the direction of arrow B indication in Fig. 5, thereby complete the grafting combination of joint 202 and output plug 201, then, the output plug 201 that grafting is combined and the downside of joint 202 are placed in first along the direction of arrow C indication in Fig. 5 and cover in the accepting groove 12 of body 10, then, direction rotation second along arrow D indication in Fig. 5 covers body 20, make second cover body 20 by connecting portion 50 rotation to first cover body 10 closed mutually the time, also make the first buckling parts 11 and the second buckling parts 21 be interlocked, thereby realize that first of closure is covered body 10 and second covers the locking of body 20, and the joint 202 of this moment is stopped by the first the first stop part 131 that covers body 10, output plug 201 is clamped jointly by the stop part 23 that the first the second stop part 132 and second that covers body 10 covers body 20, thereby 100 pairs of output plug 201 and joints 202 of mutually having pegged graft of stable connection spare of completing the present embodiment carry out firm operation.

When needs are changed the replacement adaptor 202 of other types, make the first buckling parts 11 and the second buckling parts 21 release mutually button this moment, and along the direction rotation second of arrow E indication in Fig. 6, cover body 20, make second to cover body 20 and open and for taking out mutual grafting good output plug 201 and joint 202, provide operating space; Then, along the rightabout of arrow B indication in Fig. 5, from output plug 201, extract joint 202, thereby realize joint 202 from coming off on output plug 201, thus for the replacement adaptor 202 of changing other types ready; And for the replacement adaptor 202 of other types and the grafting process of output plug 201, and the replacement adaptor 202 of 100 pairs of other types of having pegged graft of the stable connection spare of the present embodiment and output plug 201 carry out firm process all with aforesaid identical, therefore do not repeat them here.

See also Fig. 7, Fig. 7 has showed the second embodiment of stable connection spare of the present utility model, and in conjunction with Fig. 8 and Fig. 9, the structure of the stable connection spare 100` of the present embodiment and the stable connection spare 100 of the first embodiment is basic identical, distinctive points only is that first of the present embodiment covers the second stop part 132` and second of stop part in body 10 and covers first of the setting position of stop part 23` of body 20 and the first embodiment and cover second stop part 132 and second of stop part 13 in body 10 to cover the setting position of stop part 23 of body 20 not identical, specifically describe, as follows:

first stop part that covers body 10 of the present embodiment comprises the first stop part 131 and the second stop part 132`, the first stop part 131 is positioned at the first end that covers the right-hand member of body 10, and the first stop part 131 is inconsistent along direction and joint 202 that joint 202 breaks away from output plug 201, the second stop part 132` is positioned at the first end that covers the left end of body 10, second covers the stop part 23` of body 20 corresponding with the second stop part 132` (being that stop part 23` is positioned at the second end that covers the left end of body 20), and second covers the stop part 23` of body 20 and the second stop part 132`, and all along output plug 201, to break away from direction and the output plug 201 of joints 202 inconsistent, and the second stop part 132` of the present embodiment is the left end place that sealing first covers the accepting groove 12 of body 10, the second stop part 23` that covers body 20 also seals the second left end place that covers the accepting groove 22 of body 20, thereby the left end that makes output plug 201 contacts on the stop part 23` that the second stop part 132` and second covers body 20 simultaneously, realizes the left end of output plug 201 is stopped location.

And the second stop part 132 of the stop part 13 of the first embodiment is located at the first center that covers body 10, the second stop part 23 that covers body 20 is also to be located at the second center that covers body 20, thereby the stop part 23 that makes the second stop part 132 and second cover body 20 clamps locking to the middle part of output plug 201 jointly, to realize the location that stops to output plug 201.

Except above-mentioned difference, the stable connection spare 100` of the present embodiment is identical with the structure of the stable connection spare 100 of the first embodiment, therefore repeat no more.

In conjunction with Fig. 7 to Fig. 9, the operation principle of the stable connection spare of utility model the second embodiment is described.because the structure of the stable connection spare 100 of the stable connection spare 100` of the present embodiment and the first embodiment is basic identical, distinctive points is positioned at the first end that covers the left end of body 10 at the second stop part 132` that first of the present embodiment is covered body 10, the second stop part 23` that covers body 20 also is positioned at the second end that covers the left end of body 20, cover body 20 when closed mutually therefore first, cover body 10 and second, the left end of output plug 201 of this moment contacts on the stop part 23` that the second stop part 132` and second covers body 20 jointly, to realize the location that stops to output plug 201 left ends, rather than the output plug 201 of the first embodiment is covered by the first the second stop part 132 and second that covers

body

10, and 23 of the stop parts of body 20 are common clamps to realize stopping location, except above-mentioned difference, other is all identical with the operation principle of the stable connection spare 100 of the first embodiment, therefore do not repeat them here.

compared with prior art, due to stable connection spare 100 of the present utility model, the end of 100` is connected with joint 202 is dismountable, stable connection spare 100, the other end of 100` is connected with output plug 201 is dismountable, and stable connection spare 100, 100` stops that output plug 201 and joint 202 are along the direction activity that breaks away from the other side, the output plug 201 of mutual grafting in power-supply adapter 200 and the bonding strength between joint 202 have been increased, thereby output plug 201 and the joint 202 that can overcome mutual grafting cause the unsettled problem of power supply supply because being subject to external force collision, therefore, stable connection spare 100 of the present utility model, 100` can guarantee the stability of power supply supply, simultaneously, because stable connection spare 100 of the present utility model, 100` removably connect with output plug 201 and joint 202 respectively, therefore the mutual grafting of being convenient between various types of replacement adaptors 202 and output plug 201 operates.

The person of meriting attention, the foundation of the above-mentioned left end of mentioning, right-hand member, front side, rear side and downside is take Fig. 5 as benchmark.

Certainly described above is preferred embodiment of the present utility model; certainly can not limit with this interest field of the utility model; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, can also make a lot of forms, these still belong to the scope that the utility model is contained.

Claims

1. stable connection spare, applicable in power-supply adapter, output plug and the joint of grafting carry out firmly mutually, it is characterized in that, one end of described stable connection spare is connected with described joint is dismountable, the other end of described stable connection spare is connected with described output plug is dismountable, and described stable connection spare stops that described output plug and joint are along the direction activity that breaks away from the other side.

2. stable connection spare as claimed in claim 1, it is characterized in that, described stable connection spare comprises that can mutually open and close first of cooperation covers body and second and cover body, described first covers body and the second closure that covers body forms a host cavity, described host cavity is accommodated in the described output plug of grafting and joint at least one, described first covers body and second covers in body at least one and stops that described output plug is along the direction activity that breaks away from described joint, described first covers body and second covers in body at least one and stops that described joint is along the direction activity that breaks away from described output plug.

3. stable connection spare as claimed in claim 2, is characterized in that, described first covers closure that body and second covers body also forms the breach that is connected with described host cavity and stretches out for the output of described joint.

4. stable connection spare as claimed in claim 2, it is characterized in that, described stable connection spare also comprises connecting portion, one end of described connecting portion is connected with described first side that covers body, the other end of described connecting portion is connected with described second side that covers body, and the described second opposite side that covers body makes described second to cover body and first and cover body closure mutually by described connecting portion rotation to described the first opposite side that covers body.

5. stable connection spare as described in claim 2 to 4 any one, is characterized in that, described first covers the one that body and second covers in body has the first buckling parts, and described first covers the another one that body and second covers in body has the second buckling parts; Described first covers body and second covers body when closed mutually, and described the first buckling parts and described the second buckling parts are interlocked.

6. stable connection spare as claimed in claim 5, is characterized in that, the one in described the first buckling parts and the second buckling parts is for fastening projection, and the another one in described the first buckling parts and the second buckling parts is for fastening slotted eye.

7. stable connection spare as claimed in claim 2, is characterized in that, described first covers body and second covers that in body, at least one offers accepting groove, and described accepting groove covers body and second described first and covers body and form described host cavity when closed mutually.

8. stable connection spare as claimed in claim 7, is characterized in that, described first covers body and second covers body and all extend stop part in described accepting groove, and described stop part stops that described output plug and joint are along the direction activity that breaks away from the other side.

9. stable connection spare as claimed in claim 8, it is characterized in that, described the first stop part that covers body comprises the first stop part and the second stop part, described the first stop part is positioned at described first end that covers body, and described the first stop part is inconsistent along direction and described joint that described joint breaks away from described output plug, described the second stop part is positioned at the described first center that covers body, described second cover the stop part of body corresponding with described the second stop part and with the common output plug that clamps in described host cavity of described the second stop part.

10. stable connection spare as claimed in claim 8, it is characterized in that, described the first stop part that covers body comprises the first stop part and the second stop part, described the first stop part is positioned at described first end that covers body, and described the first stop part is inconsistent along direction and described joint that described joint breaks away from described output plug, described the second stop part is positioned at described first another end that covers body, described second to cover the stop part of body corresponding with described the second stop part, and described second covers the stop part of body and described the second stop part, and all along described output plug, to break away from direction and the described output plug of described joint inconsistent.