CN203826630U - Falling-off prevention plug - Google Patents
Falling-off prevention plug Download PDFInfo
- Publication number
- CN203826630U CN203826630U CN201420234774.6U CN201420234774U CN203826630U CN 203826630 U CN203826630 U CN 203826630U CN 201420234774 U CN201420234774 U CN 201420234774U CN 203826630 U CN203826630 U CN 203826630U
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- CN
- China
- Prior art keywords
- inserted sheet
- wire
- housing
- height
- drop plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a falling-off prevention plug, comprising a housing (1), inserting sheets (2), and a lead wire (3), wherein the one end of the inserting sheet is fixed within the housing (1); the lead wire is inserted into the housing (1) from the rear part of the housing (1) and is connected to the inserting sheet (2) within the housing (1); when the lead wire (3) outside the housing is under the action of a pulling force, the width (H1) of the inserting sheet (2) is greater than the width (H2) of the lead wire (3) outside the housing (1) when the lead wire is not under the force, so that the inserting sheets (2) can be tightly clamped in the socket when the lead wire (3) is under force, the width of the inserting sheet (2) can be increased when the lead wire (3) is under force and is tightly clamped within the socket and the falling off of the plug can be prevented. The Falling-off prevention plug is adaptable to various sockets, has long service life and can automatically prevent falling off.
Description
Technical field
The utility model relates to a kind of Anti-drop plug, belongs to electrical equipment plug connector technical field.
Background technology
Existing plug conventionally by housing, be fixed on the inserted sheet of enclosure interior and the wire that is connected with inserted sheet forms, people in use often need to pull wire, in the time pulling wire, tend to, to no small active force of inserted sheet, under the effect of this active force, be very easy to make plug to come off from jack.For example: in the time of use hair-dryer, the blowing mouth being connected with wire need to constantly be shifted one's position, thereby is very easy to plug to pull off.
For addressing the above problem, people have invented the plug of multiple slip-off preventing, by improving the shape of plug, as a hook portion is set on plug, or plug is arranged to zigzag etc. mode and realizes slip-off preventing.
For example, Chinese patent literature CN102377072A discloses a kind of Anti-drop plug, comprise body, pin, slide block and shell fragment, this body defining goes out the accommodation space of accommodating slide block, described shell fragment has lug boss and external end edge, described lug boss is suitable to support and to pull with this slide block towards this slide block projection, and each described external end edge is formed with respectively hook portion.Described two pins have respectively slotted eye, when use, promote button, and described two shell fragments, by described two slotted eyes, hook together two hook portions and this socket.
Although this patent documentation can solve the technical problem that prevents plug from falling to a certain extent,, it needs conscious promotion button in use, just can make hook portion and socket hook together.There is following problem in such design: first, in use, people usually can forget button push, thereby make this plug not have the effect of slip-off preventing; Secondly, cannot avoid unconscious touching time and the slip-off preventing problem causing; Again, in use, shell fragment easily damages and makes slip-off preventing effect worse and worse, even causes plug cannot continue to use; Finally, its scope of application is little, and the jack of some socket is very little, only, for holding the finedraw of inserted sheet, for such socket, in this patent documentation, disclosed this Anti-drop plug just cannot hook and enters jack and hook, thereby do not have slip-off preventing effect, even cannot normally use; Finally, this socket is not using under storage configuration, and the object crimp that shell fragment is easily put together by other makes this Anti-drop plug lose anti-drop function.
Thereby how providing a kind of can be the technical barrier also not solving in prior art at the plug that is subject under external pull effect anticreep automatically and anticreep effect stability.
Utility model content
Therefore, problem to be solved in the utility model is to overcome the plug of the prior art technological deficiency of anticreep and anticreep weak effect automatically, thereby a kind of plug that can be subject to external pull and do at wire automatic anticreep of used time and anticreep effect stability is provided.
To achieve these goals, the utility model provides a kind of Anti-drop plug, comprising:
The wire that housing, part are positioned at the inserted sheet of described housing and are connected at described housing with described inserted sheet;
Described inserted sheet has the first height in the time being subject to described wire pulling function, and in the time not being subject to described wire pulling function second height, described first is highly greater than described the second height, when making described inserted sheet be subject to the pulling function of described wire, be highly clamped in socket by described first.
Described inserted sheet has and is fixed on reeded first inserted sheet of tool of described enclosure interior and is stacked in the second inserted sheet on described the first inserted sheet, described the second inserted sheet has the strip parts that is positioned at the protuberance of described groove and is connected with described protuberance, described the second inserted sheet is connected with described wire, sliding with respect to described the first inserted sheet under the pulling function of described wire, described protuberance is skidded off in described groove, form described first height of described inserted sheet, and described protuberance is clamped in described socket.
Described protuberance has the inclined-plane that the glide direction height on described the first inserted sheet reduces gradually along described the second inserted sheet.
Described the second inserted sheet is connected with described wire by connector.
Described connector is fixedly connected with described wire by the top board being threaded with it.
Also comprise the elastic reset part being arranged on described connector, described elastic reset part has under described wire pulling function first direction of motion along the glide direction compression of described the second inserted sheet by described connector and described housing, and second direction of motion resetting towards the opposite direction of described the second inserted sheet glide direction in the time removing the pulling function of described wire.
Described wire has the bending buffer part that is arranged on described enclosure interior, so that outside can be delivered on described the first inserted sheet by described wire for the motive force of described wire.
The guide that also comprises described the second inserted sheet motion of guiding, described guide comprises the first guide pad and the second guide pad that are separately positioned on described the second inserted sheet direction of motion both sides.
State guiding piece and also comprise the 3rd guide pad and the 4th guide pad that are arranged on described the second inserted sheet direction of motion both sides, the part that described the 4th guide pad is described connector.
On described the second inserted sheet, be provided with and protrude from the first inclined plane that described strip parts arranges, on described housing, cover to be provided with and be positioned on described the first inclined plane for limiting the projection of described the second inserted sheet along the short transverse degree of freedom.
Technique scheme of the present utility model compared with prior art, has the following advantages:
Anti-drop plug of the present utility model, inserted sheet has the first height (b1) in the time being subject to described wire pulling function, and in the time not being subject to wire pulling function second height (b2), the first height (b1) is greater than the second height (b2), therefore in the time that wire is subject to pulling function, the height of inserted sheet can increase to the first height (b1) by the second height (b2), therefore inserted sheet can be clamped in socket, inserted sheet comprises the first inserted sheet and is stacked in the second inserted sheet on the first inserted sheet, the groove of corresponding the first inserted sheet of the second inserted sheet is provided with protuberance, the second inserted sheet is connected with wire, sliding with respect to the first inserted sheet under the pulling function of wire, described protuberance is skidded off in described groove, form described first height (b1) of inserted sheet, and described protuberance is clamped in described socket, and described protuberance is clamped in described socket.Than existing Anti-drop plug, at wire, not the effect of tension power in the situation that, the structure of inserted sheet is identical with common inserted sheet, therefore can adaptive common inserted sheet can be adaptive all sockets.Than the Anti-drop plug of hook-hang type, Anti-drop plug of the present utility model can not relate to hooking part to damage, is difficult to preserve, be difficult to the problems such as adaptive all sockets, therefore has advantages of that suitability is good, long service life.
Anti-drop plug of the present utility model, described protuberance has the inclined-plane that the glide direction height on described the first inserted sheet reduces gradually along described the second inserted sheet, therefore can slide by relative the first inserted sheet along inclined-plane at described the second inserted sheet, have advantages of reasonable in design, simple in structure.
Anti-drop plug of the present utility model, the second inserted sheet is connected with wire by connector, connector is fixedly connected with wire by the top board being threaded with it, and in the time pulling wire, that can link pulls the second inserted sheet, and be provided with return unit between connector and housing, therefore when not to the wire application of force, the second inserted sheet is return automatically, in prior art, need artificial behaviour to stretch out or the mode of retraction hooking part, have advantages of without manual operation automatic hitch.
Anti-drop plug of the present utility model, wire has the bending buffer part of the enclosure interior of being arranged on, therefore in the time pulling wire, motive force can not be delivered on the first inserted sheet by wire, effectively avoid the firm connection between wire and the first inserted sheet, can not damage because pulling wire plug.
Anti-drop plug of the present utility model, the second inserted sheet both sides are provided with the first bootstrap block, the second bootstrap block, the 3rd bootstrap block and the 4th bootstrap block of the guiding second inserted sheet direction of motion, thereby retrain the degree of freedom of the second inserted sheet motion, can be along the apparent motion contacting with the first inserted sheet, thus the conduction of electric current ensured.
Anti-drop plug of the present utility model, on the second inserted sheet, be provided with and protrude from the first inclined plane that described strip parts arranges, on housing, cover to be provided with and be positioned on the first inclined plane for limiting the projection of the second inserted sheet along the short transverse degree of freedom, therefore in the process of the second inserted sheet motion, the second inserted sheet can not depart from the first inserted sheet, has further ensured the conduction of electric current.
Brief description of the drawings
For content of the present utility model is more easily expressly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 represents the internal structure schematic diagram of Anti-drop plug of the present utility model;
Fig. 2 represents the structural representation of Anti-drop plug of the present utility model;
Fig. 3 represents the structural representation of the first guide pad of the present utility model and the second guide pad, and has shown the mode of connection;
Fig. 4 represents the structural representation matching in Anti-drop plug protrusions of the present utility model and the first inclined plane.
Description of reference numerals
1-housing; 2-inserted sheet; 3-wire; 4-connector 6-return unit; 7 – guides; 8-projection; 9-top board; 21-the first inserted sheet; 22-the second inserted sheet; 221-protuberance; 222-strip parts; 223-the first inclined plane; 31-buffer part; 71-the first guide pad; 72-the second guide pad; 73-the 3rd guide pad; 74-the 4th guide pad.
Embodiment
Anti-drop plug embodiment of the present utility model being provided below in conjunction with accompanying drawing is elaborated.
As shown in Figure 1 and Figure 2, a kind of Anti-drop plug, comprising: the wire 3 that housing 1, part are positioned at the inserted sheet 2 of described housing 1 and are connected at described housing 1 with described inserted sheet 2;
Described inserted sheet 2 has the first height b1 in the time being subject to described wire 3 pulling function, and in the time not being subject to described wire 3 pulling function second height (b2), described the first height b1 is greater than described the second height (b2), when making described inserted sheet 2 be subject to the pulling function of described wire 3, be clamped in socket by described the first height (b1).Inserted sheet 2 is in the time being subject to the pulling function of wire 3, can be changed to the first height (b1) from the second height (b2), due to the increase of its height, and the jack of socket is generally two opposed arc metal plates, therefore the increase of inserted sheet 2 height can be clamped in socket.
Described short transverse refers to, when inserted sheet 2 is plugged in socket, and the direction of distance between two opposed arc metal plates in jack.
Describe a kind of structure of inserted sheet 2 in detail below in conjunction with Fig. 1, described inserted sheet 2 has and is fixed on reeded first inserted sheet 21 of tool of described housing 1 inside and is stacked in the second inserted sheet 22 on described the first inserted sheet 21, described the second inserted sheet 22 has the strip parts 222 that is positioned at the protuberance 221 of described groove and is connected with described protuberance 221, described the second inserted sheet 22 is connected with described wire 3, sliding with respect to described the first inserted sheet 21 under the pulling function of described wire 3, described protuberance 221 is skidded off in described groove, form described first height (b1) of described inserted sheet 2, and described protuberance (221) is clamped in described socket.By the second inserted sheet 22 with respect to the first inserted sheet 21 upward slidings, protuberance 221 on the second inserted sheet 22 can be skidded off in groove, and withstand on the first inserted sheet 21, be changed to the first height (b1) with the whole height that makes inserted sheet 2 by the second height (b2).
But it will be appreciated that; combination between the first inserted sheet 21 and the second inserted sheet 22 is not limited only to above-mentioned a kind of mode, and other other set-up modes that can make inserted sheet 2 be changed to the first height (b1) by the second height (b2) all should belong to protection range of the present utility model.
Further, described protuberance 221 has the inclined-plane that the glide direction height on described the first inserted sheet 21 reduces gradually along described the second inserted sheet 22.Arrange like this and ensured that the second inserted sheet 22 is the trend motion that makes highly increase in the process of sliding.
How describe the second inserted sheet 22 in the present embodiment in detail below in conjunction with Fig. 1, Fig. 3 is connected with wire 3 by connector 4:
Described the second inserted sheet 22 is connected with described wire 3 by connector 4.
The second inserted sheet 22 is fixedly connected with connector 4, connector 4 is fixedly connected on wire 3, therefore can pull connector 4 by wire 3, thereby pull in linkage the second inserted sheet 22, relative the first inserted sheet 21 of the second inserted sheet 22 is slided, and then realize the height that makes inserted sheet 2 and be changed to the first height (b1) by the second height (b2), to be clamped in socket.
Described connector 4 is fixedly connected with described wire 3 by the top board 9 being threaded with it.
It should be noted that, the mode that is fixedly connected with between connector 4 and wire 3, is not limited only to above-mentioned a kind of connected mode, and remaining is equal to replacement connected mode, also should be included in protection range of the present utility model.
Further, also comprise the elastic reset part 6 being arranged on described connector 4, described elastic reset part 6 has under described wire 3 pulling functions first direction of motion along the glide direction compression of described the second inserted sheet 22 by described connector 4 and described housing 1, and second direction of motion resetting towards the opposite direction of described the second inserted sheet 22 glide directions in the time removing the pulling function of described wire 3.Because return unit 4 is arranged between housing 1 and connector 4, pull wire 3 can make reset key 4 energy storage, after no longer to wire 3 application of forces, release be able to realize that connector 4 is pushed into original position by return unit 4, and then the second inserted sheet 22 is resetted.
As shown in Figure 3, described wire 3 has the bending buffer part 31 that is arranged on described housing 1 inside, so that outside can be delivered on described the first inserted sheet 21 by described wire 3 for the motive force of described wire 3.Being arranged so that in the time pulling connector 4 and the second inserted sheet by wire 3 of buffer part 31, wire 3 ends that can not make pulling force be applied to be connected with inserted sheet 2, therefore can not produce and break electric phenomenon.
In addition, also comprise the guide 7 that described the second inserted sheet 22 of guiding moves, described guide comprises the first guide pad 71 and the second guide pad 72 that are separately positioned on described the second inserted sheet 22 direction of motion both sides.
Further, described guide 7 also comprises the 3rd guide pad 73 and the 4th guide pad 74 that are arranged on described the second inserted sheet 22 direction of motion both sides, and described the 4th guide pad 74 is a part for described connector 4.Due to the setting of the first guide pad 71, the second guide pad 72, the 3rd guide pad 73 and the 4th guide pad 74, the second inserted sheet 22 can not depart from the first inserted sheet 21 in slip, and circut breaking occurs.
Finally, as shown in Figure 4, on described the second inserted sheet 22, be provided with and protrude from the first inclined plane 223 that described strip parts 222 arranges, on described housing 1, cover to be provided with and be positioned on described the first inclined plane 223 for limiting the projection 8 of described the second inserted sheet 22 along the short transverse degree of freedom.
Projection 8 can withstand on the first inclined plane 223, makes the second inserted sheet 22 in sliding process, be limited the degree of freedom that short transverse moves, and further ensures in sliding process, and the second inserted sheet 22 can not depart from the first inserted sheet 21.
It will be appreciated that, Anti-drop plug provided by the utility model, is not only applicable to two Platode plug shown in Fig. 1 to Fig. 4, is equally applicable to the attaching plugs such as two cannon plug, three Platode plugs and three cannon plugs.
Obviously, above-described embodiment is only for example is clearly described, not the restriction to execution mode.Concerning those of ordinary skill in the field, also can make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.And among the protection range that the apparent variation of being extended out thus or variation are still created in the utility model.
Claims (10)
1. an Anti-drop plug, comprising: the wire (3) that housing (1), part are positioned at the inserted sheet (2) of described housing (1) and are connected at described housing (1) with described inserted sheet (2);
It is characterized in that: described inserted sheet (2) has the first height H 1 in the time being subject to described wire (3) pulling function, and the second height H 2 in the time not being subject to described wire (3) pulling function, described the first height H 1 is greater than described the second height H 2, when making described inserted sheet (2) be subject to the pulling function of described wire (3), be clamped in socket by described the first height H 1.
2. a kind of Anti-drop plug according to claim 1, it is characterized in that: described inserted sheet (2) has and is fixed on inner reeded the first inserted sheet of tool (21) of described housing (1) and is stacked in the second inserted sheet (22) on described the first inserted sheet (21), described the second inserted sheet (22) has the strip parts (222) that is positioned at the protuberance (221) of described groove and is connected with described protuberance (221), described the second inserted sheet (22) is connected with described wire (3), sliding with respect to described the first inserted sheet (21) under the pulling function of described wire (3), described protuberance (221) is skidded off in described groove, form described first height H 1 of described inserted sheet (2), and described protuberance (221) is clamped in described socket.
3. a kind of Anti-drop plug according to claim 2, is characterized in that: described protuberance (221) has the inclined-plane that the glide direction height on described the first inserted sheet (21) reduces gradually along described the second inserted sheet (22).
4. a kind of Anti-drop plug according to claim 3, is characterized in that: described the second inserted sheet (22) is connected with described wire (3) by connector (4).
5. a kind of Anti-drop plug according to claim 4, is characterized in that: described connector (4) is fixedly connected with described wire (3) by the top board (9) being threaded with it.
6. according to a kind of Anti-drop plug described in claim 4 or 5, it is characterized in that: also comprise the elastic reset part (6) being arranged on described connector (4), described elastic reset part (6) has under described wire (3) pulling function first direction of motion along the glide direction compression of described the second inserted sheet (22) by described connector (4) and described housing (1), and second direction of motion resetting towards the opposite direction of described the second inserted sheet (22) glide direction in the time removing the pulling function of described wire (3).
7. a kind of Anti-drop plug according to claim 6, outside it is characterized in that: described wire (3) has the bending buffer part (31) that is arranged on described housing (1) inside, can be delivered on described the first inserted sheet (21) by described wire (3) for the motive force of described wire (3).
8. a kind of Anti-drop plug according to claim 7, it is characterized in that: also comprise the guide (7) of described the second inserted sheet of guiding (22) motion, described guide comprises the first guide pad (71) and the second guide pad (72) that are separately positioned on described the second inserted sheet (22) direction of motion both sides.
9. a kind of Anti-drop plug according to claim 8, it is characterized in that: described guide (7) also comprises the 3rd guide pad (73) and the 4th guide pad (74) that are arranged on described the second inserted sheet (22) direction of motion both sides, and described the 4th guide pad (74) is a part for described connector (4).
10. a kind of Anti-drop plug according to claim 9, it is characterized in that: on described the second inserted sheet (22), be provided with and protrude from the first inclined plane (223) that described strip parts (222) arranges, on described housing (1), cover and be provided with that to be positioned at described the first inclined plane (223) upper for limiting the projection (8) of described the second inserted sheet (22) along the short transverse degree of freedom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234774.6U CN203826630U (en) | 2014-05-07 | 2014-05-07 | Falling-off prevention plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234774.6U CN203826630U (en) | 2014-05-07 | 2014-05-07 | Falling-off prevention plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826630U true CN203826630U (en) | 2014-09-10 |
Family
ID=51482097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420234774.6U Expired - Fee Related CN203826630U (en) | 2014-05-07 | 2014-05-07 | Falling-off prevention plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826630U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322333A (en) * | 2015-11-12 | 2016-02-10 | 宁波瑞祥电器有限公司 | Slipping prevention plug socket |
| CN113285263A (en) * | 2021-07-26 | 2021-08-20 | 突破电气（天津）有限公司 | Plug for taking electricity |
-
2014
- 2014-05-07 CN CN201420234774.6U patent/CN203826630U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322333A (en) * | 2015-11-12 | 2016-02-10 | 宁波瑞祥电器有限公司 | Slipping prevention plug socket |
| CN105322333B (en) * | 2015-11-12 | 2017-06-20 | 宁波瑞祥电器有限公司 | A kind of anti-slip plugs and sockets |
| CN113285263A (en) * | 2021-07-26 | 2021-08-20 | 突破电气（天津）有限公司 | Plug for taking electricity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150507 |
|
| EXPY | Termination of patent right or utility model |