CN209468009U - A kind of synchronous door knife device with car door lock - Google Patents

Abstract

The utility model proposes a kind of synchronous door knife device with car door lock, a kind of synchronous door knife device with car door lock for elevator, the door knife bottom plate being mounted on elevator door-motor including one, there is the first driving plate on door knife bottom plate, there is limit shaft on door knife bottom plate, there is the limit hole of ellipse in first driving plate, limit shaft passes through limit hole, driving baffle is also hinged on door knife bottom plate, bayonet is equipped with below driving baffle, bayonet matches with drive shaft, gear wheel is fixed on driving baffle, gear wheel is matched with the unlocking board being fixed on elevator door-motor bottom, unlocking board includes the fixed part for being fixed on elevator door head, the horizontal part being connect with fixed part and the rake being connect with horizontal part.It can make synchronous door knife device installation and debugging convenience, the low manufacture cost of elevator using the utility model, guarantee that layer door can only be opened in leveling, and the shaking when operation of synchronous door knife device is reduced as far as possible, reduces elevator faults rate, increases elevator operational reliability.

Description

A kind of synchronous door knife device with car door lock

Technical field

The utility model relates to elevators fields, and in particular to a kind of synchronous door knife device with car door lock.

Background technique

Elevator easily and efficiently exists simultaneously some potential safety problems bringing, life intermediate frequency occur frequently it is existing due to Because of rescue improper measures or trapped person when having a power failure perhaps elevator faults suddenly and causing the accident elevator malfunction of elevator malfunction Take off door save oneself the accident for causing trapped person to fall in the gap from car sill and between the well enclosure of car entrance when There is generation, this brings huge frightened and injury to ladder personnel.Gate is opened in non-unlocking district domain in order to avoid elevator to cause The accident that personnel fall, elevator lock gate when needing to install non-flat layer state, when leveling state can open the elevator of gate again Car machinery locking device.

Elevator car machinery locking device in the prior art is car door lock synchronous door knife structure, common car door lock synchronous gate Knife structure needs the installation on layer door to hit bow, and when knocking at the door after Elevator landing, the trolley on release locking device on door knife bumps against layer Door, which hits bow, could open layer door.Installation and debugging difficulty, the manufacturing cost for hitting bow are higher, and are arranged to hit the form of bow, once Elevator unbalance loading, the trolley on release locking device bumps against the hitting on bow of layer door, it is possible that hitting bow dislocation causes showing for elevator faults As.

A kind of entitled synchronous door knife device with car door lock for elevator is disclosed in CN107010519A Invention, a door knife bottom plate being mounted in the door machine of elevator；One is hinged to the master on a knife bottom plate by the first pivot pin Dynamic connecting rod and a follower link being hinged to by the second pivot pin on knife bottom plate, it is common in drive connecting rod and follower link Hinged first knife blade and second knife blade, and drive connecting rod, follower link, first knife blade and second knife knife Piece collectively forms four-bar mechanism, and one is connected on the first pivot pin, to drive first knife blade and second knife blade First driving plate of opening and closing, the first driving plate is distributed equipped with arcuately track, and the center of circle of arching trajectory is located at the first pivot pin Center line on first through hole, the drive shaft that is connected on door machine synchronous belt is equipped in the first driving plate；In the first driving The other side of plate is equipped with and is hinged on a knife bottom plate and the second gear wheel to keep out the first driving plate；One is hinged to a knife bottom Check plate on plate is equipped with bayonet on check plate；One unlocking being hinged in the first driving plate re-packs, and unlocks and sets on re-packing There is circular arc side, and the center of circle of the arc track of circular arc side is located on the center line of the first pivot pin；And a middle section is hinged On to door knife bottom plate and side is equipped with latch hook portion, is equipped with the jam plate of the first gear wheel on its other side；Wherein, in drive connecting rod Equipped with first gear shaft, axial plane and the unlocking of the first gear shaft, which re-pack, mutually to be suited, and the first gear shaft is axially extending and drives through first First through hole on movable plate, and can be rotated in first through hole around the center line of the first pivot pin, the circular arc side to re-pack of unlocking Mutually suit with the wheel face of the first gear wheel on jam plate, and the only state in first knife blade and second knife blade closure in place Under, the driving axle bumper in the first driving plate is connected on the bayonet of check plate, is only fallen into layer croquet to first knife blade and Between two knife blades, drive connecting rod triggering, which is unlocked, to re-pack, and unlocking to re-pack drives jam plate to rotate around the center line of the first pivot pin, Closure in its latch hook portion and door machine unlocks.

Although above-mentioned patent solves that synchronous door knife installation and debugging are difficult, manufacturing cost is higher, gate and layer door are being opened Moment there are asynchronization, the undesirable problem of the synchronous effect of gate and layer door, but the rotation of its check plate need check plate with Unlocking board shock on door machine bottom plate could trigger, not only check plate and unlocking board shaking is larger causes synchronous gate to filling when shock It is larger to set shaking, and is easy to appear damage.

Utility model content

The purpose of this utility model is to provide a kind of the synchronous door knife device with car door lock, installation and debugging convenience, production It is at low cost, guarantee that layer door can only be opened in leveling, and reduce the shaking when operation of synchronous door knife device as far as possible, reduces Elevator faults rate increases elevator operational reliability.

The purpose of this utility model is achieved through the following technical solutions, a kind of synchronization with car door lock for elevator Door lock device, the door knife bottom plate being mounted on elevator door-motor including one are hinged with latch hook on door knife bottom plate, have on door knife bottom plate First pin shaft and the second pin shaft, first pin shaft one end have been connected by key drive connecting rod, and the first pin shaft other end is connected by key There is the first driving plate, be connected by key follower link on the second pin shaft, is hinged with jointly in drive connecting rod and follower link First knife blade and second knife blade, drive connecting rod, follower link, first knife blade and second knife blade are common Four-bar mechanism is constituted, the first driving plate, drive connecting rod are fixedly connected with second knife blade, and the first driving plate is equipped with and electricity The drive shaft of the synchronization band connection of terraced door machine is also hinged with unlocking in the first driving plate and re-packs, and unlocking re-packs and has curved side, latch hook Side and the unlocking curved side that re-packs are in contact, and have limit shaft on door knife bottom plate, there is the limit hole of ellipse, limit in the first driving plate Position axis passes through limit hole, is also hinged with driving baffle on door knife bottom plate, is equipped with bayonet, bayonet and drive shaft below driving baffle Match, is fixed with gear wheel on driving baffle, gear wheel is matched with the unlocking board being fixed on elevator door-motor bottom, unlocking board packet Include the fixed part, the horizontal part connecting with fixed part and the rake connecting with horizontal part for being fixed on elevator door head.

The working principle of this programme is: the drive shaft belt lacing synchronous with elevator in the first driving plate is directly connected to, and is driven Moving axis is driven by elevator synchronous belt, and the unlocking board of synchronous door knife device is fixed on elevator door-motor, remaining synchronous door knife device peace It is mobile with gate on elevator cage door.

In the operational process that elevator is closed and is opened, the motion process of synchronous door knife device is as follows: when elevator cage door band When dynamic synchronous door knife device is whole mobile to gate closing direction, the bayonet of baffle is driven to block the drive in the first driving plate Moving axis forces drive shaft mobile with elevator synchronous belt, to force the first driving plate that cannot axially rotate, latch hook keeps quiet Only state, in above process, first blade and second blade are fixedly clamped the layer croquet on layer door, so that layer Door can be run simultaneously with gate.

During elevator cage door is from will close to closing in place, the idler wheel on baffle is driven to be fixed on by fixed part On elevator door-motor unlocking board contact, idler wheel along unlocking board rake it is steady on move on to horizontal part, force driving baffle on Lift, thus separate the drive shaft in the first driving plate with the bayonet on driving baffle, effect of the drive shaft in elevator synchronous belt Lower movement, so that the first driving plate is rotated centered on the first pin shaft, limit shaft and the first driving plate on door knife bottom plate The limit hole cooperation of ellipse play the role of limit to the rotation of the first driving plate, first blade and second knife at this time Piece gradually opens, and the first driving plate drives the rotation that re-packs of unlocking, due to the curved side and one side contacts of latch hook to re-pack of unlocking, thus Unlocking to re-pack drives the closure cooperation in latch hook and door machine to lock gate.

Elevator cage door drives the idler wheel on baffle along the level of unlocking board from closing in place to during will opening Portion steadily moves down into rake, and driving baffle is sagging, and drive shaft moves backward under the action of elevator synchronous belt, so that the One driving plate is rotated centered on the first pin shaft, until the bayonet on driving baffle blocks the drive shaft in the first driving plate, door The limit hole cooperation of the ellipse of limit shaft and the first driving plate on knife bottom plate plays limit to the rotation of the first driving plate Effect, first blade is gradually closed with second blade in the process, and the first driving plate drives the rotation that re-packs of unlocking, due to The curved side and one side contacts of latch hook that unlocking re-packs are beaten to unlock and re-pack to drive to lift to separate with the closure in door machine on latch hook Open gate.

When elevator cage door drives synchronous door knife device entirety mobile to gate opening direction, the bayonet of baffle is driven The drive shaft in the first driving plate is blocked, forces drive shaft mobile with elevator synchronous belt, to force the first driving plate not It can axially rotate, latch hook remain stationary state, and in above process, first blade and second blade are fixedly clamped in layer door On layer croquet so that layer door can be run simultaneously with gate.

The beneficial effect of this programme is: 1. installation and debugging convenience, low manufacture cost guarantee that layer door can only be beaten in leveling It opens, and reduces the shaking when operation of synchronous door knife device as far as possible, reduce elevator faults rate, it is reliable for operation to increase elevator Property.

2. in the present invention, the effect of reset spring I and fork arm are to make the first driving plate, driving baffle and latch hook Always it is in a state relative to balance.

3. in the present invention, the arc groove below latch hook is matched with the limiting section of the second driving plate protrusion to latch hook Rotation play position-limiting action, in addition elevator faults need artificially push gate aside in the case where, can direct pull second drive Lanyard assembly on plate rotates the second driving plate, and the rotation of the second driving plate forces lift on latch hook to be seen, so that gate is opened, second Reset spring II between driving plate and door knife bottom plate not only has the function of making the second driving sheet reset, moreover it is possible to keep the second drive The balance of movable plate.

Detailed description of the invention

Fig. 1 is synchronous when a kind of synchronous door knife device specific embodiment elevator with car door lock of the utility model is not turned off The front side schematic diagram that door lock device latch hook is opened.

Fig. 2 is synchronous when a kind of synchronous door knife device specific embodiment elevator with car door lock of the utility model is not turned off The rear side schematic diagram that door lock device latch hook is opened.

Fig. 3 is synchronous gate when a kind of synchronous door knife device specific embodiment elevator with car door lock of the utility model is closed The front side schematic diagram of knife system latch hook closure.

Fig. 4 is synchronous gate when a kind of synchronous door knife device specific embodiment elevator with car door lock of the utility model is closed The rear side schematic diagram of knife system latch hook closure.

In figure: 1. knife bottom plates, 2 first knife blades, 3. second knife blades, 4. first pin shafts, 5. second pin shafts, 6. Drive connecting rod, 7. follower links, 8. first driving plates, 9. unlockings re-pack, 10. drive baffles, 11. latch hooks, 12. unlocking boards, 13. Fork arm, 14. reset spring I, 15. second driving plates, 16. reset spring II, 17. limit shafts；18. closure, 19. layers of croquet；

801. drive shafts, 802. limit holes；

901. curved side；

101. bayonet, 102. gear wheels, 103.C shape slot；

111. arc groove；

121. fixed part, 122. horizontal parts, 123. rakes；

151. limiting sections, 152. lanyard assemblies.

Specific embodiment

It will describe in detail in conjunction with specific embodiments with reference to the accompanying drawings below.

As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of synchronous door knife device with car door lock for elevator, including a peace Door knife bottom plate 1 on elevator door-motor is hinged with latch hook 11 on door knife bottom plate 1, and rotation is provided with the first pin on door knife bottom plate 1 Axis 4 and the second pin shaft 5,4 one end of the first pin shaft have been connected by key drive connecting rod 6, and 4 other end of the first pin shaft has been connected by key First driving plate 8 has been connected by key follower link 7 on second pin shaft 5, common hinged in drive connecting rod 6 and follower link 7 There are first knife blade 2 and second knife blade 3, drive connecting rod 6,7, first knife blades 2 of follower link and second knife Blade 3 collectively forms four-bar mechanism, and the minimum spacing L between first knife blade 2 and second knife blade 3 is less than layer door The diameter D of ball 19, the first driving plate 8, drive connecting rod 6 are fixedly connected with second knife blade 3, the first driving plate 8 be equipped with The drive shaft 801 of the synchronization band connection of elevator door-motor is also hinged with unlocking in the first driving plate 8 and re-packs 9, and unlocking re-packs and 9 has arc Shape side 901,11 side of latch hook and unlocking 9 curved sides 901 that re-pack are in contact, and have limit shaft 17, the first driving plate on door knife bottom plate 1 There is the limit hole 802 of ellipse on 8, limit shaft 17 passes through limit hole 802, driving baffle 10 is also hinged on door knife bottom plate 1, It drives and is equipped with bayonet 101 below baffle 10, bayonet 101 matches with drive shaft 801, is fixed with gear wheel on driving baffle 10 102, gear wheel 102 is matched with the unlocking board 12 being fixed on elevator door-motor bottom, and unlocking board 12 includes being fixed on elevator door head Fixed part 121, the horizontal part 122 being connect with fixed part 121 and the rake 123 being connect with horizontal part 122.

The working principle of this programme is: the belt lacing synchronous with elevator of drive shaft 801 in the first driving plate 8 directly connects It connects, drive shaft 801 is driven by elevator synchronous belt, and the unlocking board 12 of synchronous door knife device is fixed on elevator door-motor, remaining synchronization Door lock device is mounted on elevator cage door mobile with gate.

In the operational process that elevator is closed and is opened, the motion process of synchronous door knife device is as follows: when elevator cage door band When dynamic synchronous door knife device is whole mobile to gate closing direction, the bayonet 101 of driving baffle 10 blocks the first driving plate 8 On drive shaft 801, force drive shaft 801 mobile with elevator synchronous belt, to force the first driving plate 8 that cannot axially turn Dynamic, latch hook 11 remain stationary state, in above process, the layer that first blade and second blade are fixedly clamped on layer door Croquet 19, so that layer door can be run simultaneously with gate.

Elevator cage door from will close to close in place during, drive baffle 10 on idler wheel with by fixed part 121 Unlocking board 12 on elevator door-motor is fixed on to contact, idler wheel along unlocking board 12 rake 123 it is steady on move on to horizontal part 122, it forces and is lifted on driving baffle 10, to make the bayonet 101 in the drive shaft 801 and driving baffle 10 in the first driving plate 8 Separation, drive shaft 801 move under the action of elevator synchronous belt, so that the first driving plate 8 is turned centered on the first pin shaft 4 Dynamic, the cooperation of limit hole 802 of the ellipse of limit shaft 17 and the first driving plate 8 on door knife bottom plate 1 turns the first driving plate 8 Dynamic to play the role of limit, first blade is gradually opened with second blade at this time, and the first driving plate 8 drives unlocking to re-pack 9 Rotation, due to unlock re-pack 9 curved side 901 and 11 1 side contacts of latch hook, 9 driven in latch hook 11 and door machine to unlock to re-pack Closure 18 cooperation lock gate.

Elevator cage door drives the idler wheel on baffle 10 along unlocking board 12 from closing in place to during will opening Horizontal part 122 steadily moves down into rake 123, and driving baffle 10 is sagging, and drive shaft 801 is reversed under the action of elevator synchronous belt It is mobile, so that the first driving plate 8 is rotated centered on the first pin shaft 4, until the bayonet 101 on driving baffle 10 blocks the Drive shaft 801 in one driving plate 8, the limit hole 802 of the ellipse of limit shaft 17 and the first driving plate 8 on door knife bottom plate 1 Cooperation plays the role of limit to the rotation of the first driving plate 8, and first blade is gradually closed with second blade in the process Close, the first driving plate 8 drives to unlock and re-pack 9 rotations, due to unlock re-pack 9 curved side 901 and 11 1 side contacts of latch hook, thus Unlocking, which re-packs, 9 drives on latch hook 11 lift to separate opening gate with the closure 18 in door machine.

When elevator cage door drives synchronous door knife device entirety mobile to gate opening direction, the card of baffle 10 is driven Mouth 101 blocks the drive shaft 801 in the first driving plate 8, forces drive shaft 801 mobile with elevator synchronous belt, to force First driving plate 8 cannot be rotated axially, and latch hook 11 remain stationary state, in above process, first blade and second knife Piece is fixedly clamped the layer croquet 19 on layer door, so that layer door can be run simultaneously with gate.

In the present embodiment, the first driving plate 8, drive connecting rod 6 and second knife blade 3 are fixedly connected using screw.? In other embodiments, the first driving plate 8, drive connecting rod 6 can also be fixedly connected with second knife blade 3 using other modes. It is also hinged with unlocking in first driving plate 8 and re-packs and 9 refers in the first driving plate 8 also hinged or is fixed with unlocking and re-packs 9, first drives Movable plate 8 and unlocking re-pack 9 hinged or be fixedly connected with bolt.

Further, in the present embodiment, it drives between lever and latch hook 11 and is connected by fork arm 13, driving baffle 10 has C-channel 103, latch hook 11 have C-channel 103, and there are C-channel 103, the C-channel 103 of 13 one end of fork arm and driving in 13 both ends of fork arm respectively C-channel 103 on baffle 10 cooperates, and the C-channel 103 of 13 other end of fork arm and the C-channel 103 of latch hook 11 cooperate, fork arm 13 with It is connected between first driving plate 8 by reset spring I14.The effect of reset spring I14 and fork arm 13 are to make the first driving plate 8, baffle 10 and latch hook 11 is driven to be in a state relative to balance always.

Further, in the present embodiment, there are the arc groove 111 of U-shaped, the door knife bottom plate of 11 lower section of latch hook below latch hook 11 It is hinged with the second driving plate 15 on 1, there is the limiting section 151 of protrusion, arc groove 111 and limiting section 151 above the second driving plate 15 It matches, reset spring II16 is connected between the second driving plate 15 and door knife bottom plate 1, is additionally provided with drawing in the second driving plate 15 Rope component 152.The arc groove 111 of 11 lower section of latch hook is matched with the limiting section 151 of 15 protrusion of the second driving plate to latch hook 11 Position-limiting action is played in rotation, can the second driving plate of direct pull in addition in the case where elevator faults need artificially to push gate aside Lanyard assembly 152 on 15 rotates the second driving plate 15, and the rotation of the second driving plate 15 forces lift on latch hook 11 to be seen, to open Gate, the reset spring II16 between the second driving plate 15 and door knife bottom plate 1 not only have the function for resetting the second driving plate 15 It can, moreover it is possible to keep the balance of the second driving plate 15.

Further, in the present embodiment, gear wheel 102 includes being fixed on the bearing holder (housing, cover) driven on baffle 10, in bearing holder (housing, cover) It is fixed with bearing.In another embodiment, gear wheel 102 is to be fixed on driving 10 upper roller of baffle.Gear wheel 102 is arranged to various Rolling element made of material smoothly can be moved up or be moved down on unlocking board 12 for the ease of the idler wheel on driving baffle 10.

Claims (7)

1. a kind of synchronous door knife device with car door lock, the door knife bottom plate (1) being mounted on elevator door-motor including one, door knife bottom It is hinged on plate (1) latch hook (11), there is the first pin shaft (4) and the second pin shaft (5), the first pin shaft (4) one end on door knife bottom plate (1) It has been connected by key drive connecting rod (6), the first pin shaft (4) other end has been connected by key the first driving plate (8), the second pin shaft (5) it has been connected by key follower link (7) on, has been hinged with first knife knife jointly in drive connecting rod (6) and follower link (7) Piece (2) and second knife blade (3), drive connecting rod (6), follower link (7), first knife blade (2) and second knife knife Piece (3) collectively forms four-bar mechanism, is further fixed on the first pin shaft (4) the first driving plate (8), the first driving plate (8), active Connecting rod (6) is fixedly connected with second knife blade (3), and the first driving plate (8) is equipped with band connection synchronous with elevator door-motor Drive shaft (801) is also hinged with unlocking in the first driving plate (8) and re-packs (9), unlocking re-pack (9) have curved side (901), latch hook (11) side (9) curved side (901) that re-packs with unlocking is in contact, it is characterised in that: there are limit shaft (17) on door knife bottom plate (1), There is the limit hole (802) of ellipse in first driving plate (8), limit shaft (17) passes through limit hole (802), on door knife bottom plate (1) It is also hinged with driving baffle (10), bayonet (101), bayonet (101) and drive shaft (801) phase are equipped with below driving baffle (10) Matching is fixed with gear wheel (102) in driving baffle (10), gear wheel (102) and the unlocking board that is fixed on elevator door-motor bottom (12) it matches, unlocking board (12) includes the fixed part (121) for being fixed on elevator door head, the level connecting with fixed part (121) Portion (122) and the rake (123) being connect with horizontal part (122).

2. the synchronous door knife device with car door lock as described in claim 1, it is characterised in that: driving lever and latch hook (11) it Between by fork arm (13) connect, driving baffle (10) have C-channel (103), latch hook (11) has C-channel (103), fork arm (13) both ends Have respectively C-channel (103), the C-channel (103) on the C-channel (103) and driving baffle (10) of fork arm (13) one end cooperates, fork The C-channel (103) of bar (13) other end and the C-channel (103) of latch hook (11) cooperate, fork arm (13) and the first driving plate (8) it Between pass through reset spring I(14) connection.

3. the synchronous door knife device with car door lock as claimed in claim 1 or 2, it is characterised in that: have U-shaped below latch hook (11) Arc groove (111), be hinged with the second driving plate (15) on the door knife bottom plate (1) below latch hook (11), the second driving plate (15) There is the limiting section (151) of protrusion in top, and arc groove (111) is matched with limiting section (151), the second driving plate (15) and door knife bottom Plate is connected with reset spring II(16 between (1)), lanyard assembly (152) are additionally provided in the second driving plate (15).

4. the synchronous door knife device with car door lock as claimed in claim 1 or 2, it is characterised in that: gear wheel (102) includes fixing The bearing holder (housing, cover) on baffle (10) is being driven, is being fixed with bearing in bearing holder (housing, cover).

5. the synchronous door knife device with car door lock as claimed in claim 3, it is characterised in that: gear wheel (102) includes being fixed on The bearing holder (housing, cover) on baffle (10) is driven, is fixed with bearing in bearing holder (housing, cover).

6. the synchronous door knife device with car door lock as claimed in claim 1 or 2, it is characterised in that: gear wheel (102) is to be fixed on Drive baffle (10) upper roller.

7. the synchronous door knife device with car door lock as claimed in claim 3, it is characterised in that: gear wheel (102) is to be fixed on drive Dynamic baffle (10) upper roller.