CN109301603B - Safe power supply plug device - Google Patents
Safe power supply plug device Download PDFInfo
- Publication number
- CN109301603B CN109301603B CN201811148664.7A CN201811148664A CN109301603B CN 109301603 B CN109301603 B CN 109301603B CN 201811148664 A CN201811148664 A CN 201811148664A CN 109301603 B CN109301603 B CN 109301603B
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- CN
- China
- Prior art keywords
- outer sleeve
- pin
- spring
- groove
- contact pin
- 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.)
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- 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
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- 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
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
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- 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
- H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
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- 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
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a safe power supply plugging device, which comprises a plug and a socket, wherein the plug comprises an insulator, a contact pin a and a lead, the socket comprises a base body and a spring plate, the plug also comprises an outer sleeve and a retainer ring, and the outer sleeve wraps the contact pin a; the clamping ring is arranged on the outer sleeve and is arranged in a clamping groove on the outer sleeve, and a notch is formed in the clamping ring; the socket also comprises a seat core, a contact pin b and a clamping head, wherein a guide hole is formed in the socket, a cover plate is arranged at an opening of the guide hole, a jack corresponding to the plug is formed in the cover plate, the elastic sheet is arranged at the bottom of the guide hole, and the seat core is arranged in the guide hole; the clamping head is arranged on the socket, and the position of the clamping head corresponds to the notch on the clamping ring; the side of the seat core is provided with a spring groove b, the inner wall of the guide hole is provided with a spring groove a, a spring a is arranged in the spring groove b, a spring and a spring b are arranged in the spring groove a, the spring is arranged at the bottom of the spring groove a, and the plugging device is not easy to loosen, the contact pin is not easy to damage, and can prevent mistaken plugging.
Description
Technical Field
The invention relates to the technical field of power supply equipment, in particular to a safe power supply plugging device.
Background
In the field of power supply, a plug-in device is one of essential accessories on electrical equipment, and the existing plug-in type connector is poor in stability in the using process and easy to loose due to dragging and pulling influences, so that poor circuit contact is caused, and the normal use of the electrical equipment is influenced; the contact pin of the plug is exposed, is easy to damage and deform, leads to poor contact and is difficult to ensure the stability of electrical connection; existing structure is not safe enough to some safety consciousness, the crowd that cognitive ability is low, for example child, because curiosity, it is heavier to explore the heart, and greedy, and the head of a family also can not all look at child at any time, consequently, can insert the jack with metal rod spare, thing such as key when the family is careless, and the accident of electrocuteeing can take place for such action, can cause very big injury to the human body, cause to take place to die when serious, traditional plug-in device has very big potential safety hazard.
Disclosure of Invention
Aiming at the defects of the prior art, the invention develops the safe power supply plugging device which is not easy to loosen, the contact pin is not easy to damage and the mistaken plugging can be prevented.
The technical scheme for solving the technical problem of the invention is as follows: on one hand, the embodiment of the invention provides a safe power supply plugging device which comprises a plug and a socket, wherein the plug comprises an insulator, a contact pin a and a lead, the contact pin a is connected with the lead, the insulator wraps the connection point of the contact pin a and the lead, the socket comprises a base body and a spring plate, the spring plate is arranged in the base body, the spring plate is connected with a power transmission line, the plug also comprises an outer sleeve and a clamping ring, the outer sleeve is arranged outside the insulator, the outer sleeve is in a cylindrical shape with an opening at one end, the outer sleeve wraps the contact pin a, and a groove corresponding to the; the clamping ring is arranged on the outer sleeve, a circle of clamping grooves are formed in the outer wall of the outer sleeve, the clamping ring is annular and is arranged in the clamping grooves in the outer sleeve, and a notch is formed in the clamping ring; the socket also comprises a base core, a contact pin b and a clamping head, wherein a guide hole is formed in the socket, a cover plate is arranged at an opening of the guide hole, a jack corresponding to the plug is arranged on the cover plate, the elastic sheet is arranged at the bottom of the guide hole, the base core is arranged in the guide hole, the contact pin b is arranged at one end, close to the elastic sheet, of the base core, and the contact pin b corresponds to the elastic sheet; the clamping head is arranged on the socket and surrounds the cover plate, and the position of the clamping head corresponds to the notch on the clamping ring; the side surface of the seat core is provided with a marble groove b, the inner wall of the guide hole is provided with a marble groove a, a marble a is arranged in the marble groove b, a spring and a marble b are arranged in the marble groove a, the spring is arranged at the bottom of the marble groove a, when the seat core is attached to the cover plate, the marble groove b is right opposite to the marble groove a, a slot corresponding to the contact pin a is arranged in the seat core, the marble groove b is communicated with the outside of the seat core and the slot, a groove is formed in the contact pin a, when the contact pin a is inserted into the bottom of the slot, the marble a is positioned in the groove on the contact pin a, all the marbles a are positioned in the marble groove; the seat core comprises conductive blocks and insulating blocks, the insulating blocks are arranged between the conductive blocks, slots corresponding to the contact pins a are arranged in the conductive blocks, and the contact pins b are connected with the conductive blocks. When the socket is used, the retainer ring is rotated, the position of a notch on the retainer ring corresponds to that of a clamping head, then a contact pin a is inserted into the socket, when the contact pin a is inserted into the bottom of the slot, all the marbles a are in the marble groove b, all the marbles b are in the marble groove a, at the moment, the plug is continuously pressed downwards, the seat core starts to move towards the bottom of the guide hole until the contact pin b is inserted into the elastic sheet, when the insulator is attached to the socket, the retainer ring is rotated, the clamping head is staggered with the notch on the retainer ring, and the retainer ring is pressed downwards by the; when the plug needs to be pulled out, the clamping ring is rotated, the notch on the clamping ring corresponds to the position of the clamping head, and then the plug is pulled out.
Preferably, the two elastic pieces are in a group, the two elastic pieces correspond to one contact pin b, the two elastic pieces are symmetrically arranged, and the contact pin b is located between the two elastic pieces.
Preferably, the number of the contact pins a is two or three, when two contact pins a are used, the contact pins a are respectively and correspondingly connected with the zero line and the live line, and when three contact pins a are used, the contact pins a are respectively and correspondingly connected with the zero line, the live line and the ground line.
Preferably, the length of the pin a is smaller than that of the outer sleeve, and the pin a is completely arranged in the outer sleeve.
Preferably, the number of the clamping heads is at least two, and the clamping heads are uniformly distributed around the cover plate.
Preferably, the springs, the marble a, the marble b, the marble groove a and the marble groove b are arranged in at least two groups.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and the technical scheme has the following advantages or beneficial effects:
1. the clamping ring and the clamping head are arranged, so that the plugging device can be prevented from loosening.
2. Through setting up overcoat parcel contact pin a, can protect contact pin a, avoid the contact pin impaired.
3. Through setting up spring, pellet shot from a slingshot a, pellet shot from a slingshot b, magazine shot a, magazine shot b, only specific contact pin a can promote the seat core and remove, if other article mistake are inserted, can not realize the condition that pellet shot from a slingshot a is all in magazine shot b, pellet shot from a slingshot b is all in magazine shot a, and the seat core can block always in the position of laminating with the apron has prevented the mistake and has spliced.
Drawings
Fig. 1 is a general structural view illustrating a pin a inserted into a bottom of a socket according to an embodiment of the present invention.
Fig. 2 is a partially enlarged view of the area of fig. 1B.
Fig. 3 is a general block diagram of a plug fully inserted into a receptacle according to an embodiment of the present invention.
Figure 4 is a front view of one embodiment of a plug.
Figure 5 is a left side view of one embodiment of a plug.
Fig. 6 is a sectional view taken along a-a of fig. 5.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
Fig. 1 to 6 show an embodiment of the present invention, and as shown in the drawings, a safe power supply plugging device includes a plug 1 and a socket 2, the plug 1 includes an insulator 11, a pin a12 and a wire 13, the pin a12 is connected with the wire 13, the insulator 11 wraps a connection point of the pin a12 and the wire 13, the socket 2 includes a base 21 and a spring plate 24, the spring plate 24 is disposed inside the base 21, the spring plate 24 is connected with a power line, the plug 1 further includes an outer sleeve 14 and a collar 15, the outer sleeve 14 is disposed outside the insulator 11, the outer sleeve 14 is a cylinder with an open end, the outer sleeve 14 wraps the pin a12, and the socket 2 is provided with a groove corresponding to the outer sleeve 14; the clamping ring 15 is arranged on the outer sleeve 14, a circle of clamping grooves are formed in the outer wall of the outer sleeve 14, the clamping ring 15 is annular, the clamping ring 15 is arranged in the clamping grooves in the outer sleeve 14, and a notch is formed in the clamping ring 15; the socket 2 further comprises a seat core 22, a contact pin b23 and a clamping head 25, wherein a guide hole 211 is formed in the socket 2, a cover plate 212 is arranged at an opening of the guide hole 211, a jack corresponding to the plug 1 is formed in the cover plate 212, the elastic piece 24 is arranged at the bottom of the guide hole 211, the seat core 22 is arranged in the guide hole 211, the contact pin b23 is arranged at one end, close to the elastic piece 24, of the seat core 22, and the contact pin b23 corresponds to the elastic piece 24; the clamping head 25 is arranged on the socket 2, the clamping head 25 is arranged around the cover plate 212, and the position of the clamping head 25 corresponds to the notch on the clamping ring 15; a bullet groove b210 is formed in the side face of the seat core 22, a bullet groove a29 is formed in the inner wall of the guide hole 211, a bullet a27 is formed in the bullet groove b210, a spring 26 and a bullet b28 are formed in a bullet groove a29, the spring 26 is arranged at the bottom of the bullet groove a29, when the seat core 22 is attached to the cover plate 212, the bullet groove b210 is right opposite to the bullet groove a29, a slot corresponding to the pin a12 is formed in the seat core 22, the bullet groove b210 is communicated with the outside of the seat core 22 and the slot, a groove is formed in the pin a12, when the pin a12 is inserted into the bottom of the slot, the bullet a27 is located in the groove on the pin a12, all the bullets a27 are located in the bullet groove b210, and all the bullets b; the socket core 22 includes conductive blocks 213 and insulating blocks 214, the insulating blocks 214 are disposed between the conductive blocks 213, slots corresponding to pins a12 are disposed in the conductive blocks 213, and pins b23 are connected to the conductive blocks 213.
When the plug is used, the clamping ring 15 is rotated, the notch on the clamping ring 15 corresponds to the position of the clamping head 25, then the contact pin a12 is inserted into the socket 2, when the contact pin a12 is inserted into the bottom of the slot, the pins a27 are all positioned in the spring grooves b210, the pins b28 are all positioned in the spring grooves a29, at the moment, the plug 1 is continuously pressed downwards, the seat core 22 starts to move towards the bottom of the guide hole 211 until the contact pin b23 is inserted into the spring piece 24, after the insulator 11 is attached to the socket 2, the clamping ring 15 is rotated, the clamping head 25 is staggered with the notch on the clamping ring 15, and the clamping head 25 presses the clamping ring 15 downwards, so that the; when the plug 1 needs to be pulled out, the clamping ring 15 is rotated to enable the notch on the clamping ring 15 to correspond to the position of the clamping head 25, and then the plug 1 is pulled out. The retainer ring 15 and the chuck 25 are provided to prevent the plug device from loosening.
The outer sleeve 14 is arranged to wrap the pin a12, so that the pin a12 can be protected, and the pin is prevented from being damaged; by arranging the spring 26, the marble a27, the marble b28, the marble groove a29 and the marble groove b210, the seat core 22 can be pushed to move only by the specific insertion pin a12, if other objects are inserted by mistake, the situation that the marbles a27 are all in the marble groove b210 and the marbles b28 are all in the marble groove a29 cannot be realized, the seat core 22 can be always clamped at the position jointed with the cover plate 212 to prevent error insertion, and the inserting device is not easy to loosen, the insertion pins are not easy to damage and can prevent error insertion.
The two elastic sheets 24 are in a group, the two elastic sheets 24 correspond to one pin b23, the two elastic sheets 24 are symmetrically arranged, and the pin b23 is located between the two elastic sheets 24.
The number of the pins a12 is two, and when the number of the pins a12 is two, the pins a12 are correspondingly connected with a neutral wire and a live wire respectively. The length of pin a12 is less than the length of outer sleeve 14 and pin a12 is fully within outer sleeve 14.
The number of the clamping heads 25 is at least two, and the clamping heads 25 are uniformly distributed around the cover plate 212.
At least two groups of springs 26, pins a27, pins b28, pin grooves a29 and pin grooves b210 are arranged.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto, and various modifications and variations which do not require inventive efforts and which are made by those skilled in the art are within the scope of the present invention.
Claims (3)
1. The utility model provides a safe power supply grafting device, includes plug (l), socket (2), plug (1) includes insulator (11), contact pin a (12), wire (13), contact pin a (12) connecting wire (13), insulator (11) parcel contact pin a (12) and the tie point of wire (13), socket (2) are including pedestal (21), shell fragment (24) set up inside pedestal (2 l), the power transmission line is connected in shell fragment (24), characterized by: the plug (1) further comprises an outer sleeve (14) and a clamping ring (15), the outer sleeve (14) is arranged outside the insulator (11), the outer sleeve (14) is cylindrical, one end of the outer sleeve is opened, the outer sleeve (14) wraps the contact pin a (12), and a groove corresponding to the outer sleeve (14) is formed in the socket (2); the clamping ring (15) is arranged on the outer sleeve (14), a ring of clamping grooves are formed in the outer wall of the outer sleeve (14), the clamping ring (15) is annular, the clamping ring (15) is arranged in the clamping grooves in the outer sleeve (14), and a notch is formed in the clamping ring (15); the socket (2) further comprises a base core (22), a contact pin b (23) and a clamping head (25), a guide hole (211) is formed in the socket (2), a cover plate (212) is arranged at an opening of the guide hole (211), a jack corresponding to the plug (l) is formed in the cover plate (212), the elastic piece (24) is arranged at the bottom of the guide hole (211), the base core (22) is arranged in the guide hole (211), the contact pin b (23) is arranged at one end, close to the elastic piece (24), of the base core (22), and the contact pin b (23) corresponds to the elastic piece (24); the clamping head (25) is arranged on the socket (2), the clamping head (25) is arranged around the cover plate (212), and the position of the clamping head (25) corresponds to the notch on the clamping ring (15); a spring groove b (210) is formed in the side face of the seat core (22), a spring groove a (29) is formed in the inner wall of the guide hole (211), a spring a (27) is arranged in the spring groove b (210), a spring (26) and a spring b (28) are arranged in the spring groove a (29), the spring (26) is arranged at the bottom of the spring groove a (29), when the seat core (22) is attached to the cover plate (212), the spring groove b (210) is right opposite to the spring groove a (29), a slot corresponding to the contact pin a (12) is formed in the seat core (22), and the spring groove b (210) is communicated with the outer portion of the seat core (22) and the slot; the socket core (22) comprises conductive blocks (213) and insulating blocks (214), the insulating blocks (214) are arranged between the conductive blocks (213), slots corresponding to the pins a (12) are arranged in the conductive blocks (213), and the pins b (23) are connected with the conductive blocks (213); a groove is formed in the pin a (12), when the pin a (12) is inserted into the bottom of the slot, the marble a (27) is positioned in the groove in the pin a (12), the marble a (27) is completely positioned in the marble groove b (210), and the marble b (28) is completely positioned in the marble groove a (29); continuing to press down the plug (1), and starting to move the seat core (22) to the bottom of the guide hole (211) until the contact pin b (23) is inserted into the elastic sheet (24); the length of the pin a (12) is less than that of the outer sleeve (14), and the pin a (12) is completely positioned in the outer sleeve (14); the number of the clamping heads (25) is at least two, and the clamping heads (25) are uniformly distributed around the cover plate (212); the two elastic pieces (24) are in a group, the two elastic pieces (24) correspond to one pin b (23), the two elastic pieces (24) are symmetrically arranged, and the pin b (23) is located between the two elastic pieces (24).
2. The safety power supply plug device according to claim 1, wherein two or three pins a (12) are provided, when two pins a (12) are provided, the pins a (12) are respectively connected with the neutral wire and the live wire, and when three pins a (12) are provided, the pins a (12) are respectively connected with the neutral wire, the live wire and the ground wire.
3. The safety power supply plug device according to claim l, wherein at least two groups of the spring (26), the pin a (27), the pin b (28), the slot a (29) and the slot b (210) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148664.7A CN109301603B (en) | 2018-09-29 | 2018-09-29 | Safe power supply plug device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148664.7A CN109301603B (en) | 2018-09-29 | 2018-09-29 | Safe power supply plug device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109301603A CN109301603A (en) | 2019-02-01 |
| CN109301603B true CN109301603B (en) | 2021-03-23 |
Family
ID=65161182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811148664.7A Active CN109301603B (en) | 2018-09-29 | 2018-09-29 | Safe power supply plug device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109301603B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201590554U (en) * | 2010-02-05 | 2010-09-22 | 山东轻工业学院 | Dropping-proof power supply plug and socket |
| CN103730769A (en) * | 2012-10-10 | 2014-04-16 | 黄黎安 | Anti-falling power plug and socket |
| JP2015050033A (en) * | 2013-09-02 | 2015-03-16 | 株式会社島野製作所 | Socket plug mechanism |
| CN205319386U (en) * | 2015-12-25 | 2016-06-15 | 佛山市顺德区美的电热电器制造有限公司 | Novel socket and electric cooker utensil of local parcel insulating layer of metal terminal |
| CN205790733U (en) * | 2016-06-30 | 2016-12-07 | 武汉远光瑞康科技有限公司 | It is applied to the High voltage output protection adapter of potential therapeutic instrument |
| CN206513134U (en) * | 2016-12-22 | 2017-09-22 | 中山市三环锁业有限公司 | A kind of two-period form lock cylinder |
| CN207052800U (en) * | 2017-08-30 | 2018-02-27 | 山东电力建设第三工程公司 | A kind of safety socket and matched plug |
| CN207348620U (en) * | 2017-10-23 | 2018-05-11 | 温州日兴五金厂 | A kind of intelligent anti-theft lock |
-
2018
- 2018-09-29 CN CN201811148664.7A patent/CN109301603B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109301603A (en) | 2019-02-01 |
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