CN102361191A - Locking device for charging interface - Google Patents

Abstract

The invention discloses a locking device for a charging interface, which can fundamentally prevent the charging interface from being plugged and unplugged by mistake. The locking device comprises a locking pin and a shell, wherein, two sides of a bottom plate of the shell extend outwards, and a fixed hole is respectively arranged on each of the extension parts at two sides of the bottom plate; the bottom plate is equipped with a locking pin through hole which is communicated with an inner cavity of the shell and is matched with the locking pin; the locking pin is movably inserted into the locking pin through hole; a vertically inclined pushing block protruding outwards is arranged at an inner end of the locking pin; a return spring is sheathed on the locking pin and is constrained between the bottom plate and the vertically inclined pushing block; an electromagnet is arranged in the shell, and a horizontally inclined pushing block is arranged at the top of an iron core of the electromagnet and is matched with the vertically inclined pushing; and pushing oblique planes matched with each other are respectively arranged on adjacent end faces of the vertically inclined pushing block and the horizontally inclined pushing block, the lower edge of the pushing oblique plane of the vertically inclined pushing block protrudes, and the upper edge of the pushing oblique plane of the horizontally inclined pushing block protrudes. The locking device has the advantages of fundamentally eliminating potential safety hazards and being very convenient to use.

Description

The locking device that is used for charging inlet

Technical field

The present invention relates to charging inlet, refer more particularly to the locking device that is used for charging inlet.

Background technology

At present, being used for the locking device of charging inlet, all is manual usually, can only prevent the misoperation of fault, can not prevent deliberate misoperation, thereby can not prevent fundamentally that mispluging of charging inlet from pulling out, and eliminates safe hidden trouble.

Summary of the invention

Technical problem to be solved by this invention is: provide a kind of charging inlet that can fundamentally prevent to misplug the locking device that is used for charging inlet that pulls out.

For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: be used for the locking device of charging inlet, comprise: lock pin and housing; The both sides of the base plate of said housing are protruding, offer fixing hole on the extension of both sides respectively, offer the lock pin via hole that communicates with the housing inner chamber and match with lock pin on the described base plate; The lock pin activity is located in the lock pin via hole; The inner end of lock pin is provided with the perpendicular oblique push block to outer lug, is arranged with return spring on the lock pin, and return spring is bound between base plate and the perpendicular oblique push block; Be provided with electromagnet in the described housing; The iron core top of electromagnet is provided with and erects the pushing block crosswise that oblique push block matches, and is respectively arranged with the propelling movement inclined-plane that cooperatively interacts on perpendicular oblique push block and pushing block is adjacent crosswise the end face separately, wherein; It is outstanding that the propelling movement of perpendicular oblique push block pushes the lower edge, inclined-plane, and the upper edge, propelling movement inclined-plane of pushing block is outstanding crosswise.

Also be provided with guide pad in the inner chamber of said housing, offer the gathering sill that matches with perpendicular oblique push block on the guide pad, perpendicular oblique push block is movably arranged in the gathering sill of guide pad.

The concrete set-up mode of said guide pad is: the both sides of said guide pad are respectively arranged with positioning boss; Described housing also comprise the lower cover that is arranged on the base plate and with the involutory loam cake of lower cover; Be respectively arranged with the location notch that the positioning boss of a corresponding side with guide pad matches on the inwall of lower cover both sides, the positioning boss of guide pad both sides inserts respectively in the corresponding location notch of lower cover.

Described iron core with the connected mode of pushing block crosswise is: the top of said iron core offers cannelure; Offer the iron core hole of matching crosswise on the pushing block with iron core; Iron core also offers the lock hole with the perforation perpendicular, that match with the cannelure of iron core of iron core hole on the described pushing block crosswise from pushing block is stretched into crosswise in the iron core hole, be equipped with alignment pin in the lock hole; Alignment pin is stuck in the cannelure of iron core; One end of alignment pin is provided with the pin cap, and the other end is provided with the jump ring groove, and the jump ring groove is provided with jump ring.

Further technical problem to be solved by this invention is: a kind of locking device that is used for charging inlet that can the perception lock pin whether puts in place is provided.

For solving above-mentioned further technical problem, the technical scheme that the present invention adopts is: also be provided with sensitive switch in the described housing, the sliding piece of sensitive switch is locked in crosswise on the pushing block.

Offer the lock hole that matches with the sliding piece of sensitive switch on the described pushing block crosswise, this sliding piece is located in the lock hole.

The invention has the beneficial effects as follows: the present invention controls the plug of lock pin through the electromagnet that is installed in the housing, thereby has prevented that fundamentally mispluging of charging inlet from pulling out, and has eliminated potential safety hazard; In addition; Horizontal, vertical oblique push block through cooperatively interacting between the iron core of electromagnet and the lock pin; Laterally moving of iron core changed into the vertical of lock pin moves; This locking device is installed on the charging inlet, can reduces the peripheral level of charging inlet greatly, make packed and transported all very convenient with use.In addition, be installed in the sensitive switch of housing, can whether put in place by the perception lock pin, thereby can prevent the misoperation of lock pin effectively.

Description of drawings

Fig. 1 is the connection sketch map that the charging inlet of locking device of the present invention is installed.

Fig. 2 is the structural representation that the socket of locking device of the present invention is installed.

Fig. 3 is the partial structurtes sketch map of Fig. 2.

Fig. 4 is the structural representation of electromagnet.

Fig. 5 is the structural representation of lower cover and base plate.

Fig. 6 is the structural representation of plug.

Among Fig. 1 to Fig. 6: 1, housing, 11, loam cake, 12, lower cover, 121, location notch, 122, the lock pin via hole, 13, base plate, 131, fixing hole; 2, electromagnet, 21, iron core, 211, cannelure, 3, cableties, 4, sensitive switch, 41, sliding piece, 5, return spring; 6, lock pin, 61, perpendicular oblique push block, 8, guide pad, 81, positioning boss, 9, pushing block crosswise, 91, lock hole, 10, screw; 20, socket, 21, the socket tube, 22, column, 30, plug, 32, plug sleeve, 321, pin hole.

Embodiment

Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.

Like Fig. 1, shown in Figure 2, the locking device that is used for charging inlet of the present invention comprises:lock pin 6 andhousing 1;Housing 1 bybase plate 13 and be arranged on thebase plate 13lower cover 12 and with theinvolutory loam cake 11 oflower cover 12, offerfixing hole 131 respectively on protruding of the both sides ofbase plate 13, offer the lock pin viahole 122 that communicates and match with the inner chamber ofhousing 1 on thebase plate 13 withlock pin 6;Lock pin 6 activities are located in the lock pin viahole 122, and the inner end oflock pin 6 is provided with the perpendicularoblique push block 61 to outer lug, is arranged withreturn spring 5 on thelock pin 6; Returnspring 5 is bound betweenbase plate 13 and the perpendicularoblique push block 61, is provided withelectromagnet 2 in the describedhousing 1, and the top of theiron core 21 ofelectromagnet 2 is provided with and erects the pushing block crosswise 9 thatoblique push block 61 matches; Like Fig. 3 and shown in Figure 4,iron core 21 with the connected mode of pushingblock 9 crosswise is: the top of saidiron core 21 offerscannelure 211, offers the iron core hole of matching withiron core 21 crosswise on the pushingblock 9; Ironcore 21 is from pushingblock 9 is stretched into crosswise in the iron core hole; Also offer thelock hole 91 with the perforation perpendicular, that match with thecannelure 211 ofiron core 21 of iron core hole crosswise on the pushingblock 9, be equipped with alignment pin in thelock hole 91, alignment pin is stuck in thecannelure 211 ofiron core 21; The two ends of alignment pin are provided with escapement and (belong to conventional techniques; Do not draw among the figure), this escapement can have multiple various structure, for example: an end of alignment pin is provided with the pin cap; The other end of alignment pin is offered the jump ring groove, and the jump ring groove is provided with jump ring; Be respectively arranged with the propelling movement inclined-plane that cooperatively interacts on the adjacent end face separately of perpendicularoblique push block 61 and pushing block crosswise 9, wherein, the lower edge, propelling movement inclined-plane of perpendicularoblique push block 61 is outstanding, and the upper edge, propelling movement inclined-plane of pushingblock 9 is outstanding crosswise.In the present embodiment; Also be provided with guide pad 8 in the inner chamber of saidhousing 1; Offer the gathering sill that matches with perpendicularoblique push block 61 on the guide pad 8; Perpendicularoblique push block 61 is movably arranged in the gathering sill of guide pad 8, and like Fig. 3 and shown in Figure 5, the concrete set-up mode of guide pad 8 is: the both sides of said guide pad 8 are respectively arranged with positioningboss 81; Be respectively arranged with the location notch that matches with thepositioning boss 81 of guide pad 8 corresponding sides on the inwall of saidlower cover 12 both sides, thepositioning boss 81 of guide pad 8 both sides inserts respectively in thelower cover 12 corresponding location notchs; As shown in Figure 3; Also be provided withsensitive switch 4 in the describedhousing 1; Thissensitive switch 4 contain at least one group often open, normally-closed contact; Thesliding piece 41 ofsensitive switch 4 is locked in crosswise on the pushingblock 9, and its concrete set-up mode is: offer the lock hole that matches with thesliding piece 41 ofsensitive switch 4 on the described pushing block crosswise 9, this slidingpiece 41 is located in the lock hole; Said upper andlower cover 11 and 12 trailer cards away fromlock pin 6 are provided withcableties 3, and the structure ofcableties 3 is referring to shown in Figure 3.

During installation;Screw 10 is passed in thecolumn 22 on thesocket tube 21 that fixinghole 131 on thebase plate 13 both sides extensions is tightened insocket 20; Often the opening of the positive and negative electrode ofelectromagnet 2 andsensitive switch 4, normally-closed contact link to each other; This group is often opened, normally closed intermediate contact is exported, and power line that links to each other with the positive and negative electrode ofelectromagnet 2 and the output line that links to each other with intermediate contact pass from cableties 3.During use,plug 30 is inserted in thesocket 20, theplug sleeve 32 ofplug 30 is provided withpin hole 321---referring to shown in Figure 6; Startelectromagnet 2 work; Makeiron core 21 be withcrosswise pushing block 9 to protracting; Through the propelling movement inclined-plane between pushingblock 9 and theperpendicular cant plate 61 crosswise; Makelock pin 6 stretch out downwards, pass through hole on thesocket tube 21 ofsocket 20 and insert in thepin hole 321 on theplug sleeve 32 ofplug 30---referring to shown in Figure 1; After being inserted into the position, the intermediate contact ofsensitive switch 4 is connected with normally-closed contact.

Claims (6)

1. be used for the locking device of charging inlet, comprise: lock pin and housing is characterized in that: the both sides of the base plate of said housing are protruding; Offer fixing hole on the extension of both sides respectively, offer the lock pin via hole that communicates with the housing inner chamber and match with lock pin on the described base plate, the lock pin activity is located in the lock pin via hole; The inner end of lock pin is provided with the perpendicular oblique push block to outer lug, is arranged with return spring on the lock pin, and return spring is bound between base plate and the perpendicular oblique push block; Be provided with electromagnet in the described housing; The iron core top of electromagnet is provided with and erects the pushing block crosswise that oblique push block matches, and is respectively arranged with the propelling movement inclined-plane that cooperatively interacts on perpendicular oblique push block and pushing block is adjacent crosswise the end face separately, wherein; The lower edge, propelling movement inclined-plane of perpendicular oblique push block is outstanding, and the upper edge, propelling movement inclined-plane of pushing block is outstanding crosswise.

2. locking device according to claim 1 is characterized in that: also be provided with guide pad in the inner chamber of said housing, offer the gathering sill that matches with perpendicular oblique push block on the guide pad, perpendicular oblique push block is movably arranged in the gathering sill of guide pad.

3. locking device according to claim 2; It is characterized in that: the concrete set-up mode of said guide pad is: the both sides of said guide pad are respectively arranged with positioning boss; Described housing also comprise the lower cover that is arranged on the base plate and with the involutory loam cake of lower cover; Be respectively arranged with the location notch that the positioning boss of a corresponding side with guide pad matches on the inwall of lower cover both sides, the positioning boss of guide pad both sides inserts respectively in the corresponding location notch of lower cover.

4. locking device according to claim 1; It is characterized in that: described iron core with the connected mode of pushing block crosswise is: the top of said iron core offers cannelure, offers the iron core hole of matching with iron core crosswise on the pushing block, and iron core is from pushing block is stretched into crosswise in the iron core hole; Also offer lock hole on the described pushing block crosswise with the perforation perpendicular, that match with the cannelure of iron core of iron core hole; Be equipped with alignment pin in the lock hole, alignment pin is stuck in the cannelure of iron core, and an end of alignment pin is provided with the pin cap; The other end is provided with the jump ring groove, and the jump ring groove is provided with jump ring.

5. according to each described locking device in the claim 1 to 4, it is characterized in that: also be provided with sensitive switch in the described housing, the sliding piece of sensitive switch is locked in crosswise on the pushing block.

6. locking device according to claim 5 is characterized in that: offer the lock hole that matches with the sliding piece of sensitive switch on the described pushing block crosswise, this sliding piece is located in the lock hole.

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