CN2423362Y

CN2423362Y - Locking device for safety door

Info

Publication number: CN2423362Y
Application number: CN 00231973
Authority: CN
Inventors: 郑淑珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-17
Filing date: 2000-03-17
Publication date: 2001-03-14
Anticipated expiration: 2010-03-17

Abstract

The utility model relates to a locking device for safety door fences. The utility model comprises one lock seat which is fixedly arranged on a baffle plate, wherein, the lock seat is provided with one fastener group which is composed of a press handle, a first fastener component and a torsion spring inside, and one fastener group which is composed of a rotary handle with an eccentric pusher block, a second fastener component and a spring. The utility model can prevent the locking device from being touched by mistake and in an open state through the locking design of the two fastener groups, and provides a practical locking-device design for safety door fences through the easy-operational brief design of the locking device.

Description

The safety door sill locking device

The utility model refers to a kind of locking device of safety door sill especially about a kind of safety door sill.

For preventing that the child from will withdrawing from a room, the safety door sill of people big city certain altitude below door place installing one can be sealed door.The design of at present relevant safety door sill is generally shown in Fig. 6,7.It mainly has a U-shaped framework 30 that can be fixedly arranged on doorframe, and a baffler 40 is pivoted in the framework 30.Baffler 40 is hubbed at the side of framework 30 side plates relatively, but the locking device 50 of a snap close in place, framework 30 tops installed in the side top in addition.Locking device 50 has one and sets firmly the lock 51 of baffler 40 in framework 30 lockhole places, and framework 30 first lockholes 31, second lockhole, 32 places install first snap close piece 52 that can move horizontally and pivotable second snap close piece 53 respectively relatively in the lock 51.Cam 54 external one is positioned at revolving 55 of lock 51 outsides but relative first snap close piece, the 52 sides turn button cam 54 of pulling that is pivoted in addition in the lock 51, button are pulled, the inboard in conjunction with a torque spring 56 to control the lock-out state of 30 of first snap close piece 52 and frameworks.53 of second snap close pieces are in the driving lever 57 that is pivoted away from second framework, 30 second lockholes, 32 ends, driving lever 57 1 distal process go out lock 51 outsides, in addition end is in conjunction with the state of an extension spring 58 with the locking of controlling 30 of second snap close piece 53 and frameworks, construct one in the door import and export thus and intercept wall, can limit the safety door sill of child's activity space.

When the opening safety door hurdle, the user needs turn to revolve to make 55 the button cam 54 of pulling break away from the state of pulling of detaining with first snap close piece 52, first snap close piece 52 also withdraws from framework 30 first lockholes 31 under the interior spring of establishing 59 ejections, in addition upwards pull driving lever 57 and stir that second snap close piece 53 is rotated counterclockwise and after recessing framework 30 second lockholes 32, the user can push baffler 40 open.

Though the locking device of above-mentioned safety door sill is with the design of dual snap close, avoid child's false touch and opened the baffler on a hurdle, yet two snap close groups in this locking device have the shortcoming that member is on the high side, manufacturing cost is high, and can assembling is inconvenient, production efficiency is low because of member too much makes in assembling, so in addition improved necessity be arranged.

The purpose of this utility model is to provide a kind of safety door sill locking device, has dual snap close function, can prevent that locking device from being opened by false touch, and reduce the number of components, effectively reduces manufacturing cost, has simplified assembly program.

The technical solution of the utility model is to provide a kind of safety door sill locking device, this safety door sill comprises a U type framework and a baffler, this framework side plate and baffler articulate, the side plate top is provided with first and second lockhole in addition, the relative lockhole of this baffler is provided with locking device, this first lockhole upper limb forms a releasing slots for locking device and framework apart, it is characterized in that:

Comprise a hollow lock, this lock is fixedly arranged on relative lockhole place on the baffler, first snap close piece of the elongated rod shape that is pivoted respectively in this lock and one second snap close piece, this first snap close piece has a snap close end and an effect end that stretches into framework first lockhole, a pressure handle in addition is pivoted on the lock, this pressure handle one end is the outer press section of a protrusion lock, and end is the pushing and pressing part that the one and first snap close piece effect end connects in addition, and installs a torque spring between pressure handle relative pivoting point place and lock;

Be provided with a chute and a guide groove in this second snap close piece, the relative second snap close piece chute place of this lock is provided with a spacing protuberance less than chute, and between spacing protuberance and chute cell wall the installing one spring, the relative second snap close piece guide groove place of the lock swing handle that is pivoted, this swing handle has a shank that is positioned at the lock outside, this shank one end extends one and is pivoted and is positioned pivot in the lock, has an eccentric pushing that is positioned at promotion second snap close piece of the second snap close piece guide groove piece of pulling on this pivot.

Described safety door sill locking device, it is characterized in that: comprise that also one is positioned at the baffler root edge to the baffle plate that terminates in framework, an and locating pin that is positioned at the baffler bottom surface, the bottom of this locating pin has guiding incline and can free upper and lower displacement ground activity be installed in the baffler bottom, and this framework forms the locating hole of relative positioning nail on bottom framework.

Via above-mentioned feature and assembling operation instruction, and the utility model compared with aforementioned existing safety door sill locking device, finds out that when knowing advantage of the present utility model is:

The utility model removes can be by the shackle designs of two snap close groups, prevents that locking device from being opened by false touch, and the mode of action of unblanking mode and utilizing the spring force pushing and pressing by pressing on the baffler makes people more convenient in operation simultaneously.And the swing handle of relative second snap close piece directly possesses the pull design of piece of eccentric pushing, the number of components is reduced, thereby reduce manufacturing cost and make simplifying of assembly program.

Further specify technical characterictic of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is applied to floor map in the safety door sill for the utility model.

Fig. 2 is the locking group perspective exploded view that goes up of the present utility model.

Fig. 3 is the floor map that goes up after the locking group makes up of the present utility model.

Fig. 4 is the partial cutaway schematic of locking group down of the present utility model.

Fig. 5 is that the floor map in opening is organized in upward locking of the present utility model.

Fig. 6 is the floor map on conventional security door hurdle.

Fig. 7 is the floor map of conventional security door hurdle locking device.

At first please cooperate and consult Fig. 1.Illustrated safety door sill mainly has a U-shaped framework 10 that can be fixedly arranged on the doorframe place, and framework 10 can be adjusted according to default doorframe size.Installing one baffler 14 between two side frame plates in the framework 10, baffler 14 1 sides are hubbed on the framework 10, and the then relative framework 10 lockhole places of side install a locking device 20 in addition.Above-mentionedly be located at that lockhole is the design of two lockholes on the framework 10, first lockhole, 11 peritremes upper end and tool break away from breach, more than constitute one and are applied to the safety door sill of door turnover inlet with restriction child activity space.

The utility model is the design that is proposed at locking device 20, please cooperate to consult Fig. 2,3.Locking device 20 has a hollow lock 21 that is fixedly arranged on the baffler 14, but installs second snap close piece 23 of pivotable first snap close piece 22 of an elongated rod shape and a horizontal movement in the lock 21.First snap close piece 22 two ends that are pivoted relatively are respectively the snap close end 221 and an effect end 222 that can protrude into framework 10 first lockholes 11.A pressure handle 24 in addition is pivoted on the lock 21.These pressure handle 24 relative pivoting point one ends are the press section 241 outside the protrusion lock 21, and end is that 222 pushing and pressing parts that connect 242 are held in 22 effects of one and first snap close piece in addition, and installs a torque spring 243 in pressure handle 24 relative pivoting points and 21 of locks.

Be provided with a chute 231 and a guide groove 232 in second snap close piece 23 in addition, and lock 21 relative second snap close piece, 23 chutes 231 places are provided with a spacing protuberance 211 less than chute 231, and between spacing protuberance 211 and chute 231 cell walls, install a spring 25.Lock 21 relative second snap close piece, the 23 guide grooves 232 places swing handle 26 that is pivoted, swing handle 26 have a shank 261 that is positioned at lock 21 outsides.Shank 261 1 ends extend a pivot 262 that is pivoted in the lock 21 of location, on the pivot 262 and have an eccentric pushing that is positioned at second snap close piece, 23 guide grooves 232 piece 263 of pulling.

See also Fig. 1,4 again.Locking device 20 also can comprise a baffle plate 27 and that is positioned at baffler 14 root edges and be positioned at the locating pin 28 of baffler 14 bottom surfaces, and makes the locating hole that can form relative positioning nail 28 on the framework 10 underframe plates.Above-mentioned baffle plate 27 can be resisted against framework 10 underframe plate side edge, and locating pin 28 activities are installed in baffler 14 bottoms and can free upper and lower displacement, its bottom and have guiding incline 281.

When safety door sill during, please cooperate and consult Fig. 3 in lock-out state.It is to stretch into respectively on the framework 10 side frame plates in first lockhole 11 and second lockhole 12 by first snap close piece 22, second snap close piece 23, makes baffler 14 be arranged in framework 10 and is double locking.The locating pin 28 that is positioned at baffler 14 belows stretches into framework 10 underframe plates, and shown in Fig. 1,4, baffle plate 27 is resisted against framework 10 underframe plate sides, and baffler 14 side upper and lower side and framework 10 pivot joints in addition in addition makes 10 of baffler 14 and frameworks be the firm lock state of pulling.

When the opening safety door hurdle, see also Fig. 5.The user rotates swing handle 26, its eccentric pushing is pulled after piece 263 no longer pushes against guide groove 232 cell walls, promptly promotes second snap close piece 23 by spring 25 and recesses second lockhole 12.After the press section 241 of pressure handle 24 presses down, promote 22 rotations of first snap close piece via pushing and pressing part 242, make first snap close piece, 22 snap close ends recess first lockhole 11, carry on getting final product revolving and push away baffler 14 to open a door hurdle, and in revolving when pushing away baffler 14, the locating pin 28 of baffler 14 bottoms is because of the design of guiding incline 281 is arranged, when baffler 14 shifts out framework 10, locating hole 13 peritreme contact guiding inclines 281 and making move on locating pin 28 nature, and baffler 14 can be outwarded winding.

Claims

1, a kind of safety door sill locking device, this safety door sill comprises a U type framework and a baffler, this framework side plate and baffler articulate, the side plate top is provided with first and second lockhole in addition, the relative lockhole of this baffler is provided with locking device, this first lockhole upper limb forms a releasing slots for locking device and framework apart, it is characterized in that:

2, safety door sill locking device according to claim 1 is characterized in that:

Comprise that also one is positioned at the baffler root edge to the baffle plate that terminates in framework, an and locating pin that is positioned at the baffler bottom surface, the bottom of this locating pin has guiding incline and but upper and lower displacement ground activity is installed in the baffler bottom, and this framework forms the locating hole of relative positioning nail on bottom framework.