CN108092093B - Anti-loosening plug and socket device - Google Patents
Anti-loosening plug and socket device Download PDFInfo
- Publication number
- CN108092093B CN108092093B CN201810039723.0A CN201810039723A CN108092093B CN 108092093 B CN108092093 B CN 108092093B CN 201810039723 A CN201810039723 A CN 201810039723A CN 108092093 B CN108092093 B CN 108092093B
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- socket
- plug
- rack
- lug
- groove
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- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to an anti-loosening plug and socket device, which comprises a plug and a socket, wherein the plug comprises a plug body and a lug, and the socket comprises a rack, a socket shell and a locking mounting column; the lug sets up in the plug body, the socket casing is including continuous socket upper cover and socket base, the socket upper cover is equipped with the through-hole, locking erection column both ends are fixed with gear and recess board respectively, recess board and locking erection column are made there is the space of installation lug, gear rotation is fixed in socket base, all be equipped with a rack mounting hole on the relative both sides board of socket base, rack both ends are equipped with the first and second that slide in two rack mounting holes respectively and stretch out the end, gear and rack engagement, the lug is equipped with the locating piece. The socket is compact in structure and reasonable in design, the gear and rack structure is arranged in the socket shell, and the gear is driven by pressing the extending end of the rack, so that the positioning block of the lug in the plug is locked in the inner wall of the groove plate, the plug is fastened on the socket, and the plug is effectively prevented from falling off.
Description
Technical Field
The invention relates to the field of electrical devices, in particular to an anti-loosening plug and socket device.
Background
In both domestic and industrial production, a plug and a socket are indispensable devices. In general, since household electric appliances such as televisions, computers, microwave ovens, sound systems, and the like, or industrial electric appliances are frequently used, plugs thereof are often kept to be plugged into sockets even if they are not used for a long time.
The existing switch in the market is various in types, but the socket jack is inevitably aged, loose in inserting sheets and the like along with the increase of service life, so that the plug is easy to fall off, poor in contact and even incapable of being inserted. In addition, when the wires to which the plug is connected are placed on the ground, a person may inadvertently kick the wires to cause the plug to fall off, and thus a protective design is also required to ensure that the plug is tightly attached to the socket. The locking device should be simple to operate, and the inconvenience in reinsertion of the plug is reduced.
Disclosure of Invention
The invention provides an anti-loosening plug and socket device, which solves the technical problems.
The scheme for solving the technical problems is as follows: the anti-loosening plug and socket device comprises a plug and a socket which are matched with each other, wherein the plug comprises a plug body and a lug, and the socket comprises a rack, a socket shell and a locking mounting column; the socket comprises a plug body, a socket shell and a locking mounting column, wherein the plug body is provided with a plug lug, the plug shell comprises a socket upper cover and a socket base, the socket upper cover is detachably connected with the socket base, a through hole is formed in the socket upper cover, a gear is fixed at one end of the locking mounting column, a groove plate is fixed at the other end of the locking mounting column, a space for installing the lug is reserved between the groove plate and the other end of the locking mounting column, the gear is rotationally fixed on the socket base, rack mounting holes are formed in two opposite side plates of the socket base, a first extending end and a second extending end are respectively arranged at two ends of the rack, the first extending end and the second extending end are respectively and slidably mounted in the two rack mounting holes, the gear is meshed with the rack, a groove on the groove plate is larger than the size of the lug, and at least one positioning block is arranged on the lug; when the lug penetrates through the through hole and the groove on the groove plate, the first extending end of the rack is pressed down, and when the rack drives the groove plate to rotate for a certain angle, each positioning block abuts against the inner wall of the groove plate, and the plug and the socket are mutually locked; when the second protruding end of the rack is pressed down, the rack drives the groove plate to rotate in the opposite direction for a certain angle, and each positioning block is just opposite to the groove of the groove plate, so that the plug can be pulled out from the socket.
The beneficial effects of the invention are as follows: the invention provides an anti-loosening plug and socket device which is compact in structure and reasonable in design, a gear rack structure is arranged in a socket shell, and a gear is driven by pressing one extending end of a rack, so that a positioning block of a lug in a plug is locked in the inner wall of a groove plate, the plug is fastened on the socket, the operation is simple, and the plug can be effectively prevented from falling off.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the plug is provided with a groove for installing the lug, an elastic piece installation groove is formed in the groove inwards, one end of the elastic piece is fixed in the elastic piece installation groove, and the other end of the elastic piece is fixed on the lug.
The beneficial effects of adopting the further scheme are as follows: on one hand, the elastic piece mounting groove is formed in the plug, one end of the elastic piece is fixed in the elastic piece mounting groove, and the other end of the elastic piece is fixed on the lug, so that the plug can adapt to a common socket (without a groove plate and a gear rack mechanism with corresponding shapes) without a plug locking function, the lug can be directly retracted into the groove, interference of the lug on the common socket is prevented, and universality of the lug is improved; on the other hand, the lug is tightly abutted against the end part of the locking mounting column, so that the anti-loosening performance of the plug and socket device is further improved.
Further, the elastic member is a compression spring.
The beneficial effects of adopting the further scheme are as follows: by designing the resilient member as a compression spring, a pre-load force is provided by which the tab tightly abuts the end of the locking mounting post.
Further, the shape of the positioning block is a sector.
The beneficial effects of adopting the further scheme are as follows: the shape of the positioning block is designed into a fan shape, so that the contact area of the positioning block against the inner wall of the groove plate is increased, and the anti-loosening performance of the plug and socket device is further improved.
Further, the number of the positioning blocks is multiple, and the positioning blocks are uniformly arranged on the periphery of the lug.
The beneficial effects of adopting the further scheme are as follows: the number of the positioning blocks is designed to be multiple, and the positioning blocks are uniformly arranged on the periphery of the lug, so that the plug is firmly and reliably locked on the socket.
Further, the number of the positioning blocks is 3.
Further, the socket further comprises an external electric wire connected with the power supply station, and the external electric wire is clamped at one side between the socket upper cover and the socket base.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
Fig. 1 is a schematic structural diagram of an anti-loosening plug-socket device according to an embodiment of the present invention;
Fig. 2 is a schematic structural view of a plug in the anti-loosening plug-and-socket device provided in fig. 1;
FIG. 3 is a schematic view of a plug (with a tab omitted) of the anti-loosening plug-and-socket device shown in FIG. 2;
fig. 4 is a schematic structural view of a socket in the anti-loosening plug-socket device provided in fig. 1;
fig. 5 is a schematic structural view of a socket (with a socket upper cover omitted) in the anti-loosening plug-socket device provided in fig. 4;
fig. 6 is a schematic structural view of a locking mounting post in a socket of the anti-loosening plug-socket device provided in fig. 5.
In the drawings, the list of components represented by the various numbers is as follows:
100. Plug and socket device; 10. a plug; 11. a plug body; 111. a groove; 12. a tab; 121. a positioning block; 13. an elastic member; 14. inserting a column; 20. a socket; 21. externally connecting an electric wire; 22. a rack; 221. a first extension; 222. a second extension; 23. a socket housing; 231. a through hole; 232. a socket upper cover; 233. a socket base; 2331. a rack mounting hole; 24. locking the mounting column; 241. a gear; 242. a groove plate; 25. and a slot seat.
Detailed Description
The principles and features of the present invention are described below with reference to fig. 1-6, the examples being provided for illustration only and not for limitation of the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-6, the present invention provides an anti-loosening plug-and-socket device, wherein the plug-and-socket device 100 includes a plug 10 and a socket 20 that are matched with each other, the plug 10 includes a plug body 11, a tab 12 and at least one socket post 14, the socket 20 includes a rack 22, a socket housing 23, a locking mounting post 24 and at least one socket seat 25, and each socket post 14 corresponds to each socket seat 25 one by one; the lug 12 and each plug post 14 are both arranged on the plug body 11, the socket housing 23 comprises a socket upper cover 232 and a socket base 233, the socket upper cover 232 is detachably connected with the socket base 233, a through hole 231 and at least one plug post through hole are formed in the socket upper cover 232, a gear 241 is fixed at one end of the locking mounting post 24, a groove plate 242 is fixed at the other end of the locking mounting post 24, a space for installing the lug 12 is reserved between the groove plate 242 and the other end of the locking mounting post 24, the gear 241 is rotatably fixed on the socket base 233, a rack mounting hole 2331 is formed in each of two opposite side plates of the socket base 233, a first protruding end 221 and a second protruding end 222 are respectively formed at two ends of the rack 22, the first protruding end 221 and the second protruding end 222 are respectively slidably mounted in the two rack mounting holes 2331, the gear 241 is meshed with the rack 22, a groove on the groove plate 242 is larger than the lug 12, and at least one positioning lug 121 is arranged on the lug 12; when the protruding piece 12 passes through the through hole 231 and the groove on the groove plate 242, the first protruding end 221 of the rack 22 is pressed, and when the rack 22 drives the groove plate 242 to rotate by a certain angle, each positioning block 121 abuts against the inner wall of the groove plate 242, and the plug 10 and the socket 20 are locked with each other; when the second protruding end 222 of the rack 22 is pressed, the rack 22 drives the groove plate 242 to rotate in the opposite direction by a certain angle, and each positioning block 121 is just opposite to the groove of the groove plate 242, so that the plug 10 can be pulled out from the socket 20.
The above embodiment provides a plug and socket device with a compact structure and a reasonable design, and by arranging the rack and pinion structure in the socket housing 23, a protruding end of the rack 22 is pressed to drive the gear, so that the positioning block 121 of the lug 12 in the plug 10 is locked in the inner wall of the groove plate 242, the plug is fastened to the socket, the operation is simple, and the plug can be effectively prevented from falling off.
Preferably, as shown in fig. 2, the plug 10 is provided with a groove 111 for installing the tab 12, an elastic member installation groove is inwardly provided at the groove 111, one end of the elastic member 13 is fixed in the elastic member installation groove, and the other end of the elastic member 13 is fixed to the tab 12. The shape of the groove 111 mates with the tab 12.
On the one hand, the plug 10 is adapted to a common socket without a plug locking function (without a groove plate 242 and a rack-and-pinion mechanism with corresponding shapes) by arranging an elastic member mounting groove in the plug 10, one end of the elastic member 13 is fixed in the elastic member mounting groove, and the other end of the elastic member 13 is fixed on the lug 12, so that the lug 12 can be directly retracted into the groove 111, interference of the lug 12 to the common socket is prevented, and universality is improved; on the other hand, the tab is secured against the end of the locking mounting post 24, further improving the anti-loosening performance of the plug and socket device 100.
Preferably, the elastic member 13 is a compression spring.
By designing the resilient member 13 as a compression spring, it is convenient to provide a pre-tightening force of the tab against the end of the locking mounting post 24, i.e. if the plug 10 has a tendency to fall out, the spring will deform to apply a compression force, making the locking more reliable.
Preferably, as shown in fig. 2, the positioning block 121 is fan-shaped. The shape of the positioning block 121 is designed into a fan shape, which is favorable for increasing the contact area of the positioning block 121 against the inner wall of the groove plate 242, and further improving the anti-loosening performance of the plug and socket device 100.
Preferably, as shown in fig. 2, the number of the positioning blocks 121 is plural, and the plurality of positioning blocks 121 are uniformly arranged on the outer circumference of the protruding piece 12. By designing the number of the positioning blocks 121 to be plural, the plural positioning blocks 121 are uniformly arranged on the outer periphery of the protruding piece 12, so that the plug 10 is more firmly and reliably locked on the socket 20.
Preferably, as shown in fig. 2-3, the number of the positioning blocks 121 is 3.
Preferably, as shown in fig. 1, the socket 20 further includes an external electric wire 21 for connection to a power supply station, and the external electric wire 21 is sandwiched between the socket upper cover 232 and the socket base 233 on one side.
The specific working principle and the using method of the invention are as follows: when the plug 10 is mounted on the socket 20, that is, when the tab 12 passes through the through hole 231 and the groove on the groove plate 242, the first protruding end 221 of the rack 22 is pressed, and when the rack 22 drives the groove plate 242 to rotate by a certain angle, each positioning block 121 abuts against the inner wall of the groove plate 242, and the plug 10 and the socket 20 are locked with each other; when the second protruding end 222 of the rack 22 is pressed, the rack 22 drives the groove plate 242 to rotate in the opposite direction by a certain angle, and each positioning block 121 is just opposite to the groove of the groove plate 242, so that the plug 10 can be pulled out from the socket 20. Both the first protruding end 221 and the second protruding end 222 may be regarded as buttons.
It should be noted that "the tab 12 is disposed on the plug body 11" includes two cases, one is that the tab 12 is fixed to the plug body 11, and the other is that the tab 12 may have a certain amount of play in the plug body 11, for example, the tab 12 is connected to the plug body 11 through an elastic member.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way; those skilled in the art will readily appreciate that the present invention may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present invention are possible in light of the above teachings without departing from the scope of the invention; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present invention still fall within the scope of the present invention.
Claims (5)
1. The anti-loosening plug and socket device is characterized in that the plug and socket device (100) comprises a plug (10) and a socket (20) which are matched with each other, the plug (10) comprises a plug body (11) and a lug (12), and the socket (20) comprises a rack (22), a socket shell (23) and a locking mounting column (24);
The utility model provides a socket, including plug body (11), socket shell (23) including socket upper cover (232) and socket base (233), socket upper cover (232) with socket base (233) can dismantle and be connected, be equipped with through-hole (231) on socket upper cover (232), one end of locking erection column (24) is fixed with gear (241), the other end of locking erection column (24) is fixed with recess plate (242), be equipped with between the other end of recess plate (242) and locking erection column (24) and install space of lug (12), gear (241) rotate and fix in on socket base (233), all be equipped with a rack mounting hole (2331) on the opposite both sides board of socket base (233), the both ends of rack (22) are first extension end (221) and second extension end (222) respectively, first extension end (221) and second extension end (222) are respectively slidable mounting in two recess plates (241) in gear (12), the at least one big groove (121) is equipped with in recess plate (12); when the lug (12) passes through the through hole (231) and the groove on the groove plate (242), the first protruding end (221) of the rack (22) is pressed down, and when the rack (22) drives the groove plate (242) to rotate for a certain angle, each positioning block (121) abuts against the inner wall of the groove plate (242), and the plug (10) and the socket (20) are mutually locked; the plug (10) is provided with a groove (111) for installing the lug (12), an elastic piece installation groove is formed in the groove (111) inwards, one end of the elastic piece (13) is fixed in the elastic piece installation groove, and the other end of the elastic piece (13) is fixed on the lug (12); the shape of the positioning block (121) is a sector.
2. An anti-loosening plug and socket device according to claim 1, wherein the resilient member (13) is a compression spring.
3. The anti-loosening plug-and-socket device according to claim 1 or 2, wherein the number of the positioning blocks (121) is plural, and the plurality of positioning blocks (121) are uniformly provided on the outer periphery of the protruding piece (12).
4. A loosening prevention plug and socket device according to claim 3, wherein the number of the positioning blocks (121) is 3.
5. The anti-loosening plug and socket device according to claim 1, wherein the socket (20) further comprises an external electric wire (21) for connection with a power supply station, the external electric wire (21) being sandwiched at one side between the socket upper cover (232) and the socket base (233).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039723.0A CN108092093B (en) | 2018-01-16 | 2018-01-16 | Anti-loosening plug and socket device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039723.0A CN108092093B (en) | 2018-01-16 | 2018-01-16 | Anti-loosening plug and socket device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108092093A CN108092093A (en) | 2018-05-29 |
| CN108092093B true CN108092093B (en) | 2024-05-17 |
Family
ID=62182269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810039723.0A Active CN108092093B (en) | 2018-01-16 | 2018-01-16 | Anti-loosening plug and socket device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108092093B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551049A (en) * | 2018-06-06 | 2018-09-18 | 南京机电职业技术学院 | It is a kind of can auto lock anti-dropout socket plug device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201044297Y (en) * | 2007-04-30 | 2008-04-02 | 赵维珂 | Self-tightening type plug adapter and plug socket |
| JP2011238533A (en) * | 2010-05-12 | 2011-11-24 | Tokai Rika Co Ltd | Structure for manually releasing locking of power supply plug lock device |
| CN104953382A (en) * | 2015-07-13 | 2015-09-30 | 义乌市义棉帽厂 | Power supply device provided with fillet bulge parts and metal domes |
| CN107196094A (en) * | 2017-06-01 | 2017-09-22 | 韶关高尔德防雷科技有限公司 | A kind of socket with preventing plug from dropping dropping control device |
| CN207677198U (en) * | 2018-01-16 | 2018-07-31 | 华中师范大学 | A kind of Plug preventing looseness socket device |
-
2018
- 2018-01-16 CN CN201810039723.0A patent/CN108092093B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201044297Y (en) * | 2007-04-30 | 2008-04-02 | 赵维珂 | Self-tightening type plug adapter and plug socket |
| JP2011238533A (en) * | 2010-05-12 | 2011-11-24 | Tokai Rika Co Ltd | Structure for manually releasing locking of power supply plug lock device |
| CN104953382A (en) * | 2015-07-13 | 2015-09-30 | 义乌市义棉帽厂 | Power supply device provided with fillet bulge parts and metal domes |
| CN107196094A (en) * | 2017-06-01 | 2017-09-22 | 韶关高尔德防雷科技有限公司 | A kind of socket with preventing plug from dropping dropping control device |
| CN207677198U (en) * | 2018-01-16 | 2018-07-31 | 华中师范大学 | A kind of Plug preventing looseness socket device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108092093A (en) | 2018-05-29 |
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