CN1253224A

CN1253224A - Long plug lock

Info

Publication number: CN1253224A
Application number: CN 98123668
Authority: CN
Inventors: 泷源秀昭
Original assignee: Takigen Manufacturing Co Ltd
Current assignee: Takigen Manufacturing Co Ltd
Priority date: 1998-10-30
Filing date: 1998-10-30
Publication date: 2000-05-17
Anticipated expiration: 2018-10-30
Also published as: CN1148509C

Abstract

A long-bolt lock unit is disclosed. A handle axle is inserted in the centre of main body of casing. A hub for inserting said handle axle is arranged. A slide block linked with the locking rod is arranged at upper and lower parts of main body of casing. A toggle joint mechanism is formed by pivoting the base end of linkage rod to main body of casing with fixed pivot, pivoting the base end of driving connecting-rod to periphery of hub with the first movable pivot, pivoting the front end of driving connecting-rod to middle of linkage rod with the second movable pivot, pivoting the base end of driven connecting-rod to front end of linkage rod with the third pivot, and pivoting the front end of driven connecting-rod to slide block with the fourth movable pivot.

Description

Long plug lock

The present invention relates to long plug lock, a pair of pinning bar was urged to upper lock position or lockset position of coupler simultaneously about this locking device was incited somebody to action by the rotating operation handle.

Real the opening in the long plug lock of disclosed prior art in flat 5-47272 number of the open communique of Japanese Utility Model patent application, in the Handle axis that is supported in the operating grip on the housing main body, and door lock stayed between the up and down a pair of pinning bar on the fixed frame support body be equiped with the interlock link mechanism, this interlock link mechanism is by the crank that is connected with Handle axis, slide-and-guide ground embeds in the housing main body and connect a pair of slide block up and down that pins bar on its fore-end, fore-end is partly constituted with the intermediate connecting rod on the fore-end of pivot suspension at aforementioned crank on the cardinal extremity part of this slide block and with cardinal extremity with pivot suspension.

Above-mentioned long plug lock, when positive and negative rotation operating grip, slide block straight line along the vertical direction moves, the button that the fore-end of the pinning bar by upper and lower enters the fixed frame side holds in the receiver hole of part, and door is pinned with respect to the fixed frame support body, still, at the fore-end that pins bar cam ramp is set, by the edge surface sliding-contact that makes this cam ramp and button holds the receiver hole of part, door is pulled to fixed frame support body one side, thereby between fixed frame support body and door, clamp the sealing pad.

, the communication that requires to have the height water resistance with fields such as guard box covers in because the bounce of pad is big, in clamping process, must additional sizable power, therefore in the long plug lock of prior art, have the problem of strength deficiency.

Therefore, the object of the present invention is to provide a kind of long plug lock, this device can obtain the enough big clamping force of required degree really, and operability is carried out the pinning and the sealing of door well.

Below, adopt the reference symbol in the accompanying drawing to describe.Long plug lock of the present invention, at the middle body that is fixed in the housing main body 2 on the door 1, insert the Handle axis 4 of operating grip 3, be supported with the wheel hub 5 that inserts this Handle axis 4 pivotally, top and bottom at housing main body 2, slide block 9 is set along the vertical direction slide-and-guide, this slide block 9 is connected with pinning bar 8, this pinning bar 8 can hold part 7 with the button of fixed frame support body 6 one sides and engage or throw off, position in the lower-left of wheel hub 5 side and upper right side, with fixed pivot axi 11 with the cardinal extremity part pivot suspension of gangbar 10 on housing main body 2, with first moveable pivot 13 with the cardinal extremity part pivot suspension of drive link 12 on the peripheral part of the left and right sides of wheel hub 5, with second moveable pivot 14 with the fore-end pivot suspension of drive link 12 on the mid portion of gangbar 10, with the 3rd moveable pivot 16 with the cardinal extremity part pivot suspension of passive connecting rod 15 on the fore-end of gangbar 10, with the 4th moveable pivot 17 with the fore-end pivot suspension of passive connecting rod 15 on the cardinal extremity part of slide block 9, thereby constitute knee joint mechanism.

Set the length and the pivot suspension position of drive link 12, gangbar 10 and passive connecting rod 15 like this; With the longitudinal centre line configuration of Handle axis 4 and the 4th moveable pivot 17 along housing main body 2, when slide block 9 is in going-back position, second moveable pivot 14 is come the position that the 3rd moveable pivot 16 1 sides are slightly crossed this longitudinal centre line, on the other hand, when slide block 9 was in progressive position, second moveable pivot 14 was come the position that fixed pivot axi 11 1 sides are slightly crossed this longitudinal centre line.

In this long plug lock, hold from the button of fixed frame support body under the unlocking condition that part 7 deviates from the fore-end that pins bar 8, as shown in Figure 7, slide block 9 is in going-back position up and down, gangbar 10, drive link 12 and passive connecting rod 15 are folding with close state, first moveable pivot 13 moves to the roughly positive lateral location with Handle axis 4, and second moveable pivot 14 is come the position that the 3rd moveable pivot 16 1 sides are slightly crossed the longitudinal centre line of housing main body 2.

In this state during clockwise direction rotating operation handle 3, gangbar 10 is driven connecting rod 12 pushings and is that the center clockwise rotates with fixed pivot axi 11, and passive connecting rod 15 is pushed by gangbar 10 and moves to the direction away from wheel hub 5, and slide block 9 is advanced.At this moment, passive connecting rod 15 is that rotate in the counterclockwise direction at the center with the 4th moveable pivot 17.

Like this, advance by driving sliding block 9, pin bar 8 and enter the receiving orifice that button holds part 7, the cam ramp 8a of the fore-end by pinning bar 8 and the edge surface sliding-contact of this receiving orifice, door 1 is pulled to fixed frame support body 6 one sides, and compression is contained in the pad between door 1 and the fixed frame support body 6.

The drive link 12 of said structure, gangbar 10 and passive connecting rod 15 constitute knee joint mechanism, so the flywheel moment of operating grip is exaggerated, can obtain enough big driving force.Therefore, even when using the big pad of bounce, can be fastening with required enough big strength.

Like this, when slide block 9 is in progressive position and is upper lock position, because second moveable pivot 14 is come the position that fixed pivot axi 11 1 sides are slightly crossed the longitudinal centre line of housing main body 2, promptly cross so-called dead point, even so be subjected to the vibratory impulse effect, to the counter clockwise direction gangbar 10 of reversing, can not by mistake remove and lock.

Fig. 1 is the communication of the long plug lock that the uses one embodiment of the invention signal main body figure with the guard box cover, and door is in unlocking condition.

Fig. 2 is the front view of this long plug lock.

Fig. 3 is the left view of this long plug lock.

Fig. 4 is for pulling down the outer cover part of this long plug lock in the decomposition main body figure of back state.

The main body figure of Fig. 5 for further taking the substrate element and the front cover member of this long plug lock apart the back state.

Fig. 6 is the central longitudinal sectional view of this long plug lock.

Fig. 7 is the front view after the substrate element of this long plug lock is exposed, the state when it shows slide block and is in going-back position.

Fig. 8 is the front view after the substrate element of this long plug lock is exposed, the state when it shows slide block and is in progressive position.

In illustrated embodiment, as shown in Figure 4 and Figure 5, housing main body 2 usefulness substrate elements 18, front cover member 19 and outer cover part 20 constitute.Substrate element 18 is assembled together with screw 21 and screw 26 under the states after guide roller 22 and guiding fulcrum 23, block sleeve 24 and block fulcrum 25 are assembled with front cover member 19.In the back side of wheel hub 5 side, fixedly limit disk 27 in the angle of revolution with screw 29, the circumference projection 30 of angle of revolution restriction disk 27 engages with the prevention projection 28 of the inner bottom surface of substrate element 18 or separates, thereby the angle of revolution of Handle axis 4 is limited within the specific limits.

The substrate element 18 and the front cover member 19 usefulness screws 31 of stacked assembling are fastened on the door 1, and one side embeds and is fixed outer cover part 20 from the front.Handle axis 4 usefulness screws 32 in the square hole of the root of embedding operation handle 3 stop it to extract disengagement.The root of operating grip 3 is inserted the through hole 33 of the mid portion of outer cover part 20, be installed on the outer cover part 20 with nut ring 34.Pin bar 8 usefulness connection pin 35 and be connected on the slide block 9, prevent to connect pin 35 with split cotter 36 and extract disengagement.

Pin bar 8 and be directed to by the guide 40 that is fixed on the door 1, in a side opposite with the locking device installation side of having strong market potential, door 1 usefulness hinge 41 is connected on the fixed frame support body 6.

The as above long plug lock of the present invention of Gou Chenging; because pivot suspension links to each other in the gangbar 10 of the 15 usefulness pivot suspensions of the passive connecting rod on the slide block 9 on housing main body 2 with pivot suspension in the drive link on the wheel hub 5 12; and with they formation knee joint mechanism that gathers together; therefore; promptly use the strong pad of bounce; also can obtain necessity and the sufficient big fastening force that contracts of piezometric really, can the communication that requires the height water resistance to require with fields such as guard box covers in high reliability ground use.

Claims

1. long plug lock, it is characterized in that: at the mid portion that is fixed on the housing main body (2) on the door (1), insert the Handle axis (2) of operating grip (3), be supported with the wheel hub (5) that inserts this Handle axis (4) pivotally, top and bottom at housing main body (2), slide block (9) is set along the vertical direction slide-and-guide, this slide block (9) is connected with pinning bar (8), this pinning bar (8) can hold part (7) with the button of fixed frame support body (6) and engage or throw off, at the lower-left side of wheel hub (5) and the position of upper right side, with fixed pivot axi (11) with the cardinal extremity part pivot suspension of gangbar (10) on housing main body (2), with first moveable pivot (13) with the cardinal extremity part pivot suspension of drive link (12) on the peripheral part of the left and right sides of wheel hub (5), with second moveable pivot (14) with the fore-end pivot suspension of drive link (12) on the mid portion of gangbar (10), with the 3rd moveable pivot (16) with the cardinal extremity part pivot suspension of passive connecting rod (15) on the fore-end of gangbar (10), with the 4th moveable pivot (17) with the fore-end pivot suspension of passive connecting rod (15) on the cardinal extremity part of slide block (9), thereby constitute knee joint mechanism; Set the length and the bearing position of drive link (12), gangbar (10) and passive connecting rod (15) like this: Handle axis (4) and the 4th moveable pivot (17) are configured on the longitudinal centre line of housing main body (2), when slide block (9) when being in going-back position, second moveable pivot (14) is come the position that the 3rd moveable pivot 16 1 sides are slightly crossed this longitudinal centre line, on the other hand, when slide block (9) when being in progressive position, second moveable pivot (14) is come the position that fixed pivot axi (11) one sides are slightly crossed this longitudinal centre line.