CN218708460U

CN218708460U - Door knife device and elevator door system

Info

Publication number: CN218708460U
Application number: CN202222984973.6U
Authority: CN
Inventors: 杨成磊; 王孝宁; 代晓凯
Original assignee: Suzhou Huichuan Control Technology Co Ltd
Current assignee: Suzhou Huichuan Control Technology Co Ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-24
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a door sword device and lift-cabin door system. The door knife device comprises a bottom plate, a sliding block assembly, a guide roller set, a knife arm assembly and a first transmission assembly; the sliding block component is arranged on the bottom plate and is in driving connection with the driving piece; the guide roller group is arranged on the bottom plate and is in rolling fit with the sliding block assembly so as to enable the sliding block assembly to move horizontally; the cutter arm assembly is arranged on the bottom plate and used for clamping or releasing the elevator door ball; the first transmission component is in driving connection with the sliding block component and the knife arm component; the sliding block component can drive the knife arm component to move through the first transmission component so as to clamp or release the elevator door ball. The utility model discloses technical scheme direction roller train and sliding block set roll cooperation for sliding block set's motion can not receive the influence of dust and take place the jamming phenomenon, has guaranteed the reliability of sliding block set motion, and then has guaranteed the reliability that door knife device opened the sword or received the sword action, has promoted the security.

Description

Door knife device and elevator door system

Technical Field

The utility model relates to an elevator door system technical field, in particular to door sword device and elevator door system.

Background

With the rapid development of living standards, the residential areas of people are changed from the ground to the ground, elevators are widely popularized, and people have higher requirements on elevator safety and elevator riding experience. The car door vane is one of important parts for the safe operation of the elevator, and the normal work of the door vane is an important part for ensuring the personal safety of the personnel taking the elevator.

In the related technology, the door knife adopts a guide rail and slider guiding mode, the door knife adopting the guiding mode has higher requirements on the application environment, and when the dust in a hoistway is larger, the dust is easily clamped in the slider to cause the clamping stagnation of the door knife; when the environmental temperature is extremely low or high, the slider inner bushing is easy to deform and accumulate dust to cause the clamping stagnation of the door knife, so that the phenomenon that the door knife does not open or retract is caused, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective provides a door sword device, aims at solving the jamming problem of door sword opening or receipts sword action, guarantees the reliability of door sword opening or receipts sword action, promotes the security of door sword device.

In order to achieve the above object, the utility model provides a door sword device includes:

a base plate;

the sliding block assembly is arranged on the bottom plate and is in driving connection with the driving piece;

the guide roller group is arranged on the bottom plate and is in rolling fit with the sliding block assembly so as to enable the sliding block assembly to move horizontally;

the cutter arm assembly is arranged on the bottom plate and used for clamping or releasing the elevator door ball; and

the first transmission assembly is in driving connection with the sliding block assembly and the cutter arm assembly; the sliding block component can drive the knife arm component to move through the first transmission component so as to clamp or release the elevator door ball.

In an embodiment of the present invention, the slider assembly includes:

the connecting plate is in driving connection with the driving piece and the first transmission assembly;

the sliding block is arranged on one side, facing the bottom plate, of the connecting plate; and

and the guide rail is arranged on the sliding block and is in rolling fit with the guide roller group.

The utility model relates to an embodiment, the relative both sides of slider all are equipped with the guide rail, each the guide rail corresponds cooperation one the direction roller train.

The utility model relates to an embodiment, direction roller train includes a plurality of gyro wheels that set up side by side, and is a plurality of the gyro wheel is along horizontal direction interval arrangement.

The utility model discloses an embodiment, the periphery wall of gyro wheel is equipped with the guide way, the guide rail is inserted and is located in the guide way.

The utility model relates to an embodiment, the guide way is V type groove, the guide rail with gyro wheel complex one end is equipped with V type sand grip.

In an embodiment of the present invention, the knife arm assembly includes a first knife arm and a second knife arm, and the first knife arm and the second knife arm can move toward or away from each other;

the first transmission assembly comprises a first rocker and a connecting rod assembly, the connecting rod assembly is hinged to the bottom plate, the first rocker is connected with the sliding block assembly and the connecting rod assembly, and the connecting rod assembly is connected with the first cutter arm and the second cutter arm.

The utility model discloses an embodiment, door sword device still includes:

the lock hook assembly is rotatably connected to the bottom plate; and

the second transmission assembly is connected with the sliding block assembly and the locking hook assembly; the second transmission assembly comprises a second rocker and an unlocking plate, the unlocking plate is connected with the sliding block assembly and the locking hook assembly, and the second rocker is connected with the unlocking plate and the bottom plate.

The utility model discloses an embodiment, door sword device still includes elastic component and guide arm, the guide arm is connected the sliding block set spare with the latch hook subassembly, the elastic component cover is established on the guide arm.

In order to achieve the above object, the present invention also provides an elevator door system, including the above door vane device. The door vane device includes:

a base plate;

The utility model discloses among the technical scheme door sword device, through set up sliding block set spare, tool arm subassembly and first transmission assembly on the bottom plate, sliding block set spare can drive the tool arm subassembly through first transmission assembly and move with centre gripping or release elevator gate ball to realize opening the sword or receive the sword action of door sword device. Simultaneously, set up the direction roller train on the bottom plate, this direction roller train and sliding block set rolling cooperation to it is spacing to sliding block set's motion direction, make sliding block set can be reciprocating motion on the horizontal direction, and because direction roller train and sliding block set rolling cooperation, make sliding block set's motion can not receive the influence of dust and take place the jamming phenomenon, guaranteed sliding block set's reliability of motion, and then guaranteed the reliability of door knife device knife opening or knife retracting action, promoted the security.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of a retracting state of the door vane device according to the present invention;

FIG. 2 is a view of the embodiment of FIG. 1 from another orientation;

fig. 3 is a schematic structural view of an embodiment of a knife-opening state of the door knife device according to the present invention;

FIG. 4 is a view of the embodiment of FIG. 3 from another orientation;

fig. 5 is an exploded view of an embodiment of the door vane device of the present invention;

FIG. 6 is a schematic structural view of the slider assembly and the guide roller set according to an embodiment of the present invention;

fig. 7 is a schematic structural view of the slider assembly in the embodiment of the present invention;

fig. 8 is a schematic structural view of the roller in the embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Base plate	420	Second tool arm
200	Sliding block assembly	500	First transmission assembly
				210	Sliding block	510	The first rocker arm
220	Guide rail	520	Connecting rod assembly
				221	V-shaped convex strip	600	Latch hook assembly
230	Connecting plate	700	Second transmission assembly
				300	Guide roller group	710	Second rocker
310	Roller wheel	720	Unlocking plate
				311	Guide groove	810	Elastic piece
400	Tool arm assembly	820	Guide rod
				410	First knife arm

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

Also, the meaning of "and/or" and/or "appearing throughout is meant to encompass three scenarios, exemplified by" A and/or B "including scenario A, or scenario B, or scenarios where both A and B are satisfied.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a door sword device is applied to elevator door system, aims at opening the sword and receive the sword action through door sword device, cooperates the purpose that the switch door was realized to elevator gate ball.

In an embodiment of the present invention, as shown in fig. 1 to 5, the door vane device includes a base plate 100, a slider assembly 200, a guide roller set 300, a vane arm assembly 400, and a first transmission assembly 500.

The slider assembly 200 is disposed on the base plate 100 and is in driving connection with a driving member (not shown);

the guide roller set 300 is disposed on the bottom plate 100 and is in rolling fit with the slider assembly 200 to enable the slider assembly 200 to move horizontally;

the cutter arm assembly 400 is provided on the base plate 100 for clamping or releasing an elevator door ball (not shown);

the first transmission assembly 500 is in driving connection with the slider assembly 200 and the knife arm assembly 400; the slider assembly 200 may move the knife arm assembly 400 via the first transmission assembly 500 to grip or release the elevator door ball.

The elevator door comprises a car door and a hall door of a hall, the door vane device is arranged on the car door of the elevator, and the knife retracting or opening action of the door vane device is matched with an elevator door ball on the hall door to realize the purpose of opening or closing the elevator door. In this embodiment, the bottom plate 100 is installed on a car door of an elevator, the slider assembly 200 is disposed on the bottom plate 100, the slider assembly 200 can be drivingly connected to a driving element, and the driving element can drive the slider assembly 200 to move relative to the bottom plate 100. The bottom plate 100 is further provided with a guide roller set 300, the guide roller set 300 can be matched with the slider assembly 200 in a rolling manner, that is, the guide roller set 300 plays a role in guiding the movement of the slider assembly 200, so that the slider assembly 200 can move along the guide track of the guide roller set 300, and the reliability of the movement of the slider assembly 200 is ensured. The knife arm assembly 400 is connected with the sliding block assembly 200 through the first transmission assembly 500, so that when the sliding block assembly 200 moves, the first transmission assembly 500 can be driven to move, and then the knife arm assembly 400 is driven to move to complete knife retracting or knife opening, so that the elevator door ball is clamped or released, and then the elevator door is opened or closed.

It can be understood that, when the elevator door needs to be opened, the driving member drives the slider assembly 200 to move towards the right (in the direction in fig. 1), and the first transmission assembly 500 drives the knife arm assembly 400 to move, so that the knife arm assembly 400 clamps the elevator door ball, and at this time, the elevator door ball and the door knife device are relatively fixed, and the driving member drives the slider assembly 200 to continue to move rightwards, so as to drive the elevator door ball to move rightwards, thereby realizing the function of opening the elevator door. When the elevator door needs to be closed, the knife arm assembly 400 is still in a state of clamping the elevator door ball at the moment, the driving piece drives the slider assembly 200 to move towards the left (in the direction in fig. 1) so that the knife arm assembly 400 drives the elevator door ball to move leftwards, the function of closing the elevator door is realized, the driving piece drives the slider assembly 200 to continue to move leftwards (in the direction in fig. 3), the knife arm assembly 400 is driven to move through the first transmission assembly 500 so that the knife arm assembly 400 releases the elevator door ball, the elevator car door is disconnected with the hall door, and the elevator car can smoothly move up and down.

In practical application, when the well dust is great or when ambient temperature is extremely low or high, because slider assembly 200 and direction roller train 300 roll cooperation, then even there is the dust between slider assembly 200 and the direction roller train 300, the rolling action of direction roller train 300 also can not receive the influence to the jamming phenomenon can not take place for slider assembly 200's motion, has guaranteed the reliability of slider assembly 200 motion, and then has guaranteed the receipts sword or the opening knife action of door sword device.

The utility model discloses among the technical scheme door sword device, through set up sliding block set 200, tool arm subassembly 400 and first drive assembly 500 on bottom plate 100, sliding block set 200 can drive the motion of tool arm subassembly 400 with centre gripping or release elevator croquet through first drive assembly 500 to realize the sword of opening of door sword device or receive the sword action. Meanwhile, the guide roller set 300 is arranged on the bottom plate 100, the guide roller set 300 is matched with the sliding block assembly 200 in a rolling mode, the movement guide of the sliding block assembly 200 is limited, the sliding block assembly 200 can reciprocate in the horizontal direction, and due to the fact that the guide roller set 300 is matched with the sliding block assembly 200 in a rolling mode, the movement of the sliding block assembly 200 cannot be affected by dust and is blocked, the movement reliability of the sliding block assembly 200 is guaranteed, the reliability of knife opening or knife retracting actions of a door knife device is guaranteed, and safety is improved.

In an embodiment of the present invention, referring to fig. 1 to 8, the sliding block assembly 200 includes a connecting plate 230, a sliding block 210 and a guide rail 220, the connecting plate 230 is connected to the driving member and the first transmission assembly 500, and the sliding block 210 is disposed on one side of the connecting plate 230 facing the bottom plate 100; the guide rail 220 is disposed on the slider 210 and is in rolling engagement with the guide roller set 300.

In this embodiment, the guide rail 220 is in rolling fit with the guide roller set 300 to achieve the guiding and limiting effect on the movement of the slider 210. The connecting plate 230 is used for being connected with a driving member in a driving manner and connected with the first transmission assembly 500, so that the driving member can drive the connecting plate 230 to drive the first transmission assembly 500 to move, meanwhile, the sliding block 210 is disposed on the connecting plate 230 and is in guiding fit with the guiding roller set 300, so that the connecting plate 230 can reciprocate under the guiding action of the guiding roller set 300, and further drive the first transmission assembly 500 to move so as to drive the knife arm assembly 400 to open or retract a knife.

Optionally, a transmission shaft is connected to the connecting plate 230, and the transmission shaft is used for driving connection with the driving member, and the sliding block 210 is also fixedly connected to the connecting plate 230 through the transmission shaft. Alternatively, the driving member is a motor, and the motor drives the transmission shaft to reciprocate, so as to drive the sliding block assembly 200 to move horizontally through the guide roller set 300.

Further, two opposite sides of the sliding block 210 are provided with guide rails 220, and each guide rail 220 is correspondingly matched with one guide roller set 300.

In this embodiment, the guide rails 220 are disposed on two opposite sides of the sliding block 210, and accordingly, a set of guiding roller sets 300 is disposed corresponding to each guide rail 220 to match each other, so that the two guiding roller sets 300 can guide and limit the movement of the sliding block 210 at the same time, and the sliding block 210 is more stable in the movement process.

Alternatively, two guide rails 220 are respectively disposed on the upper and lower sides of the slider 210, and the guide rails 220 extend in the left-right direction of the slider 210. It can be understood that, in practical applications, in order to avoid other components such as the first transmission assembly 500, the two guide roller sets 300 may be disposed in a staggered manner, and one side of the upper rail 220 may be extended out of the slider 210, and the other side of the lower rail 220 may be extended out of the slider 210, so as to ensure the matching length between the rail 220 and the guide roller set 300, and thus ensure the movement stroke of the slider 210.

In an embodiment of the present invention, referring to fig. 5 to 8, the guiding roller set 300 includes a plurality of rollers 310 arranged side by side, and the plurality of rollers 310 are spaced apart along the horizontal direction.

In this embodiment, the guiding roller set 300 is illustrated, the guiding roller set 300 includes a plurality of rollers 310 arranged side by side, a guiding path is extended, a contact length between the guiding roller set 300 and the guide rail 220 is increased, the plurality of rollers 310 are arranged at intervals along the horizontal direction, stress balance of the guide rail 220 is ensured, and motion stability of the slider 210 is further ensured.

Alternatively, the number of the rollers 310 may be determined according to the size of the elevator, the moving stroke of the slider assembly 200, such as 2, 3, 4, or 5, etc., and the specific number thereof is not limited herein.

In an embodiment of the present invention, referring to fig. 5 to 8, the outer peripheral wall of the roller 310 is provided with a guide groove 311, and the guide rail 220 is inserted into the guide groove 311.

In this embodiment, the guide rail 220 is inserted into the guide groove 311, so that the matching strength between the guide rail 220 and the roller 310 is enhanced.

Optionally, the guide slot 311 is a V-shaped slot, one end of the guide rail 220 engaged with the roller 310 is provided with a V-shaped protrusion 221, and the V-shaped protrusion 221 is engaged with the V-shaped slot. It can be understood that the V-shaped protrusion 221 has two guiding surfaces, and the V-shaped groove has two guiding walls, so that the two guiding surfaces are in abutting fit with the two guiding walls, the contact area between the guide rail 220 and the roller 310 is increased, and the guiding fit reliability between the guide rail 220 and the roller 310 is further ensured.

In an embodiment of the present invention, referring to fig. 1 to 4, the knife arm assembly 400 includes a first knife arm 410 and a second knife arm 420, and the first knife arm 410 and the second knife arm 420 can move toward or away from each other;

the first transmission assembly 500 includes a first rocker 510 and a linkage assembly 520, the linkage assembly 520 is hinged to the base plate 100, the first rocker 510 connects the slider assembly 200 to the linkage assembly 520, and the linkage assembly 520 connects the first knife arm 410 to the second knife arm 420.

In this embodiment, one end of the first rocker 510 is hinged to the connecting plate 230, the other end is hinged to the link assembly 520, the rotation center of the link assembly 520 is hinged to the base plate 100, and two ends of the link assembly 520 are respectively hinged to the first knife arm 410 and the second knife arm 420. The slider assembly 200 is driven by the driving element to reciprocate left and right to drive the first rocker 510 to move and further drive the connecting rod assembly 520 to rotate, so that the first knife arm 410 and the second knife arm 420 are driven to move towards or away from each other, and the function of clamping or releasing an elevator door ball is realized.

In an embodiment of the present invention, the door vane device with reference to fig. 1 to 4 further includes a latch hook assembly 600 and a second transmission assembly 700; the latch hook assembly 600 is rotatably connected to the base plate 100; the second transmission assembly 700 connects the slider assembly 200 with the latch hook assembly 600; the second transmission assembly 700 includes a second rocking bar 710 and an unlocking plate 720, the unlocking plate 720 connects the slider assembly 200 with the latch hook assembly 600, and the second rocking bar 710 connects the unlocking plate 720 with the base plate 100.

In this embodiment, latch hook component 600 plays the effect of locking the lift-cabin door, prevents that personnel in the car from taking off the potential safety hazard that the door falls the well when non-flat position. A bearing is arranged at the joint of the slider assembly 200 and the first rocker 510, the outer wall of the bearing is abutted against the unlocking plate 720, the other end of the unlocking plate 720 is connected with the latch hook assembly 600, one end of the second rocker 710 is hinged with one end of the unlocking plate 720 far away from the latch hook assembly 600, and the other end of the second rocker 710 is hinged with the bottom plate 100. When the door knife device is in the knife retracting state, the slider assembly 200 moves to the right end (in the direction of fig. 1), the bearing abuts against the right end of the unlocking plate 720, and the unlocking plate 720 drives the latch hook assembly 600 to rotate relative to the bottom plate 100 at the moment so as to lift the latch hook and unlock the latch hook. When the door knife device is in a knife-opening state, the sliding block assembly 200 moves to the left end (in the direction of fig. 3), the bearing abuts against the left end of the unlocking plate 720, the unlocking plate 720 drives the locking hook assembly 600 to rotate relative to the bottom plate 100, and the locking hook is pressed downwards to realize locking, so that people in the car are prevented from taking the door.

In an embodiment of the present invention, the door vane device further includes an elastic member 810 and a guide rod 820, the guide rod 820 connects the sliding block assembly 200 and the latch hook assembly 600, and the elastic member 810 is disposed on the guide rod 820. It can be understood that the elastic member 810 and the guide rod 820 function to provide a locking force for the latch hook assembly 600, when the latch hook assembly 600 is pulled up by the elastic member 810 and the guide rod 820 in the knife retracting state, and when the latch hook assembly 600 is pressed down by the elastic member 810 and the guide rod 820 in the knife extending state, the locking force is ensured, the latch hook assembly 600 is prevented from rotating by a certain external force, and the reliability of the latch hook assembly 600 is ensured.

The utility model also provides a lift-cabin door system, this lift-cabin door system include the door sword device, and the concrete structure of this door sword device refers to above-mentioned embodiment, because this lift-cabin door system has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A door vane device for use in an elevator door system, the elevator door system including an elevator door ball, the door vane device comprising:

a base plate;

2. The door knife assembly as claimed in claim 1, wherein said slider assembly comprises:

3. The door knife device as claimed in claim 2, wherein the sliding block is provided with guide rails on two opposite sides, and each guide rail is correspondingly matched with one guide roller set.

4. The door vane device as claimed in claim 3, wherein the guide roller set comprises a plurality of rollers arranged side by side, the plurality of rollers being spaced apart in a horizontal direction.

5. The door vane device of claim 4, wherein the outer circumferential wall of the roller is provided with a guide groove, and the guide rail is inserted into the guide groove.

6. The door knife assembly of claim 5, wherein the guide groove is a V-shaped groove, and one end of the guide rail engaged with the roller is provided with a V-shaped convex strip.

7. The door knife device according to any one of claims 1 to 6, characterized in that the knife arm assembly comprises a first knife arm and a second knife arm, the first knife arm and the second knife arm can move towards or away from each other;

8. The door vane device according to any one of claims 1 to 6, further comprising:

the lock hook assembly is rotatably connected to the bottom plate; and

9. The door vane device of claim 8, further comprising a spring and a guide rod, wherein the guide rod connects the slider assembly and the latch hook assembly, and the spring is sleeved on the guide rod.

10. Elevator door system, characterized in that it comprises a door vane device according to any one of claims 1 to 9.