CN206562251U

CN206562251U - A kind of integral type synchronous door knife

Info

Publication number: CN206562251U
Application number: CN201720135775.9U
Authority: CN
Inventors: 俞志华
Original assignee: Zhejiang Aolixun Elevator Parts Co Ltd
Current assignee: Zhejiang Aolixun Elevator Parts Co Ltd
Priority date: 2017-02-15
Filing date: 2017-02-15
Publication date: 2017-10-17
Anticipated expiration: 2027-02-15

Abstract

The utility model discloses a kind of integral type synchronous door knife, bottom plate including being fixed on the left hanging plate of a machine, the back side of the bottom plate is rotatablely equipped with portal crane lock hook and pivoted arm, the upper level of the pivoted arm is fixed with push rod, the front of the bottom plate is provided with a parallelogram link gear being made up of two connecting rods, left blade and right blade, and the beneficial effects of the utility model are：Portal crane lock hook and anti-take off latch hook integral type is formed by set square, coordinate door lock of elevator, enable portal crane lock hook and prevent that taking off latch hook synchronously threads off, in anon-normal hold-open door region because the roller without door lock of elevator promotes right blade to move down, passenger can not open gate from cab interior, it is ensured that the personal safety of passenger.

Description

A kind of integral type synchronous door knife

Technical field：

The utility model is related to a knife field, specifically a kind of integral type synchronous door knife.

Background technology：

With the continuous construction of skyscraper, vertical lift elevator obtains widely using very much.This vertical lift operation Speed is fast, can deliver goods, during existing Lift out of order, and the people of car by force can draw layer door from cab interior Open, so as to cause to fall hoistway or be sheared by car, occur serious personal injury.

Utility model content：

The purpose of this utility model provides a kind of highly effective and safe exactly in order to solve existing issue, prevents passenger The integral type synchronous door knife of gate is opened from cab interior.

Technology solution of the present utility model is as follows：

A kind of integral type synchronous door knife, including it is fixed on the bottom plate of the left hanging plate of a machine, the back side rotational installation of the bottom plate There are portal crane lock hook and pivoted arm, the upper level of the pivoted arm is fixed with push rod, and the front of the bottom plate is provided with one by two companies The parallelogram link gear of bar, left blade and right blade composition, the connecting rod is relative up and down and middle part is being articulated with bottom plate just Face, the left blade and right blade are articulated with the positive two ends of connecting rod vertically respectively, and the bottom plate front, which is rotatablely equipped with, prevents taking off lock The bearing pin being inserted with arc-shaped slot, the arc-shaped slot through bottom plate, described bearing pin one end are formed in the middle part of hook, the bottom plate With the lower hinge of pivoted arm, the other end is fixed with set square, and the set square is provided with first axle close to anti-take off latch hook one jiao Hold, anti-take off on latch hook on the curved groove for forming clutch shaft bearing rolling, the set square forms guide groove, the guide groove In be inserted with second bearing, the left blade back side is fixed with the plate for installing second bearing, takes off close to the anti-of set square Latch hook one end is fixed with drag-line.

Preferably, being provided with the first spring between the portal crane lock hook and bottom plate.

Preferably, the push rod is passed through is fixed with nylon wheel on the end face of set square, the nylon wheel is cylindrical to exceed three Gusset edge.

Preferably, anti-take off is provided with second spring between latch hook and bottom plate.

Preferably, the anti-lock end for taking off latch hook is additionally provided with switch module, the switch module includes being fixed on a machine Switch baseplate, be fixed on switch baseplate switch, be fixed on the anti-switch contact installing plate for taking off latch hook, be fixed on switch and touch Switch contact on head installing plate.

Preferably, timing belt driving of the push rod on door machine.

The beneficial effects of the utility model are：Portal crane lock hook and anti-latch hook of taking off are coordinated by set square formation integral type Door lock of elevator, enables portal crane lock hook and prevents that taking off latch hook synchronously threads off, in anon-normal hold-open door region due to the rolling without door lock of elevator Wheel promotes right blade to move down, and passenger can not open gate from cab interior, it is ensured that the personal safety of passenger.

Brief description of the drawings：

Fig. 1 is front-view schematic diagram of the present utility model；

Fig. 2 is the schematic side view of the utility model push rod and pivoted arm；

Fig. 3 is the front-view schematic diagram of the utility model set square, nylon wheel and clutch shaft bearing；

Fig. 4 is the front-view schematic diagram of the utility model switch contact installing plate and switch contact；

Fig. 5 is the front-view schematic diagram of the utility model switch baseplate and switch；

In accompanying drawing：1st, bottom plate；2nd, portal crane lock hook；3rd, connecting rod；4th, left blade；5th, right blade；6th, prevent taking off latch hook；7th, arc leads to Groove；8th, push rod；9th, pivoted arm；10th, set square；11st, clutch shaft bearing；12nd, plate；13rd, drag-line；14th, the first spring；15th, nylon wheel； 16th, second spring；17th, switch baseplate；18th, switch；19th, switch contact installing plate；20th, switch contact；21st, second bearing；22、 Guide groove.

Embodiment：

As Figure 1-5, integral type synchronous door knife, including it is fixed on the bottom plate 1 of the left hanging plate of a machine, the back of the body of the bottom plate 1 Face is rotatablely equipped with portal crane lock hook 2 and pivoted arm 9, and the upper level of the pivoted arm 9 is fixed with push rod 8, and the front of the bottom plate 1 is set By a parallelogram link gear being made up of two connecting rods 3, left blade 4 and right blade 5, the connecting rod is relative about 3 And middle part is articulated with the front of bottom plate 1, the left blade 4 and right blade 5 are articulated with the positive two ends of connecting rod 3, the bottom vertically respectively The front of plate 1, which is rotatablely equipped with, prevents taking off latch hook 6, and the middle part of bottom plate 1 is formed to be inserted with arc-shaped slot 7, the arc-shaped slot 7 Through the bearing pin of bottom plate 1, described bearing pin one end and the lower hinge of pivoted arm 9, the other end are fixed with set square 10, the set square 10 are provided with clutch shaft bearing 11 close to anti-take off latch hook 6 one jiao, and anti-take off on latch hook 6 forms the curved of the rolling of clutch shaft bearing 11 Formed on groove, the set square 10 and second bearing 21 is inserted with guide groove 22, the guide groove 22, the left blade 4 is carried on the back Face is fixed with the plate 12 for installing second bearing 21, and anti-one end of latch hook 6 of taking off close to set square 10 is fixed with drag-line 13.

Specifically, the first spring 14 is provided between the portal crane lock hook 2 and bottom plate 1, this first spring 14 is in portal crane lock hook 2 After unblock, it is ensured that the inlay card of push rod 8 introduction machine latch hook 2.

Specifically, the push rod 8 passes through and nylon wheel 15 is fixed with the end face of set square 10, and the nylon wheel 15 is cylindrical super Go out the edge of set square 10, this setting avoid in motion process with the left rigid impact of blade 4, produce noise and damage.

Specifically, anti-take off is provided with second spring 16 between latch hook 6 and bottom plate 1, and this second spring 16 can take off anti- There is provided enough lower pressure when latch hook 6 is engaged, it is to avoid prevents that taking off latch hook 6 breaks off relations.

Specifically, the anti-lock end for taking off latch hook 6 is additionally provided with switch module, and the switch module includes being fixed on a machine On switch baseplate 17, be fixed on switch baseplate 17 switch 18, be fixed on the anti-switch contact installing plate 19 for taking off latch hook 6, The switch contact 20 being fixed on switch contact installing plate 19, this setting can be by contacting when switch contact 20 with switch 18 When, the signal risen or fallen is sent to elevator, it is ensured that elevator gate in lifting process is to close.

Specifically, timing belt driving of the push rod 8 on door machine, is driven synchronous by the motor on door machine Band, moves push rod 8.

Operation principle：Left hanging plate and right hanging plate, which can be opened and closed, to be arranged on a machine, and bottom plate 1 is fixed on left hanging plate, is hung right The hook being engaged with portal crane lock hook 2 is provided with plate, when gate is closed, portal crane lock hook 2 and anti-latch hook 6 of taking off are in engagement shape State, in flat bed region, door machine opens the door：Motor driving timing belt pulls push rod 8 to the left, portal crane lock hook 2 is threaded off, push rod 8 is to the left While mobile, the roller of door lock of elevator promotes right blade 5 to move down it, and set square 10 is using the center of circle of nylon wheel 15 as pivot Rotate, clutch shaft bearing 11 is rolled along the anti-curved groove taken off on latch hook 6, when clutch shaft bearing 11 moves right until that can not move When, prevent that taking off latch hook 6 threads off, and drives gate to open together；In non-enabling region, rescue personnel pulls downward on anti-take off on latch hook 6 Drag-line 13, makes to prevent that taking off latch hook 6 threads off manually, and personnel are due to the right blade 4 of roller promotion without door lock of elevator in car, it is impossible to from Open gate in inside, it is to avoid the injury person.

Preferred embodiment of the present utility model is the foregoing is only, those of ordinary skill in the art are not making creativeness The every other embodiment obtained under the premise of work, should all belong to the scope of the utility model protection.

Claims

1. a kind of integral type synchronous door knife, including the bottom plate of the left hanging plate of a machine is fixed on, the back side of the bottom plate is rotatablely equipped with Portal crane lock hook and pivoted arm, the upper level of the pivoted arm are fixed with push rod, it is characterised in that：The front of the bottom plate is provided with one The parallelogram link gear being made up of two connecting rods, left blade and right blade, relative and middle part is hinged the connecting rod up and down In bottom plate front, the left blade and right blade are articulated with the positive two ends of connecting rod, bottom plate front rotational installation vertically respectively There is anti-take off in the middle part of latch hook, the bottom plate to form the bearing pin being inserted with arc-shaped slot, the arc-shaped slot through bottom plate, it is described Bearing pin one end and the lower hinge of pivoted arm, the other end are fixed with set square, and the set square is close to anti-one jiao of installation for taking off latch hook There is clutch shaft bearing, anti-take off on latch hook on the curved groove for forming clutch shaft bearing rolling, the set square forms guide groove, institute State and second bearing is inserted with guide groove, the left blade back side is fixed with the plate for installing second bearing, close to triangle Anti- latch hook one end of taking off of plate is fixed with drag-line.

2. integral type synchronous door knife according to claim 1, it is characterised in that：It is provided between the portal crane lock hook and bottom plate First spring.

3. integral type synchronous door knife according to claim 1, it is characterised in that：The push rod is passed through on the end face of set square Nylon wheel is fixed with, the nylon wheel is cylindrical to exceed set square edge.

4. integral type synchronous door knife according to claim 1, it is characterised in that：Anti- take off between latch hook and bottom plate is provided with Second spring.

5. integral type synchronous door knife according to claim 1, it is characterised in that：The anti-lock end for taking off latch hook is additionally provided with switch Component, switch baseplate that the switch module includes being fixed on a machine, the switch being fixed on switch baseplate, is fixed on anti-take off The switch contact installing plate of latch hook, the switch contact being fixed on switch contact installing plate.

6. integral type synchronous door knife according to claim 1, it is characterised in that：Timing belt of the push rod on door machine drives It is dynamic.