CN210795464U - Elevator door opening and closing mechanism - Google Patents
Elevator door opening and closing mechanism Download PDFInfo
- Publication number
- CN210795464U CN210795464U CN201921682104.XU CN201921682104U CN210795464U CN 210795464 U CN210795464 U CN 210795464U CN 201921682104 U CN201921682104 U CN 201921682104U CN 210795464 U CN210795464 U CN 210795464U
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- rotating member
- fixed wheel
- door opening
- connecting rod
- closing mechanism
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Abstract
The utility model discloses an elevator switching door mechanism is equipped with the switching door mechanism of symmetry respectively on the upper portion of two car doors, and switching door mechanism includes connecting rod, rotary mechanism, drive shaft, the drive shaft connecting motor, rotary mechanism includes rotating member, tight pulley and establishes the circular recess on the tight pulley, the rotating member is connected the drive shaft and is rotated along circular recess on the tight pulley and connect, and connecting rod one end is connected simultaneously to the rotating member, and the connecting rod other end is connected with the car door. The utility model has the advantages that this switch door mechanism simple structure, on-the-spot simple to operate to the part simple structure, at the in-process of switch door mechanism action, each part is difficult to damage, and the car door switch is steady, reduces switch door mechanism power.
Description
Technical Field
The utility model belongs to the technical field of the elevator, especially, relate to an elevator switching door mechanism.
Background
At present, connecting rod transmission door opening mechanisms are widely adopted, and are divided into a middle opening type and a double folding type according to a door opening mode, wherein the middle opening and double folding door opening mechanism comprises a speed reducing belt pulley, a door knife, a speed reducing belt pulley, a door opening and closing motor and the like, the main action mechanism of the middle opening door opening and closing mechanism is a deflector rod, the main action mechanism of the double folding door opening and closing mechanism is a lever, the deflector rod and the lever structure are complex and heavy, and the door opening and closing mechanism consumes a large amount of power. The door opening and closing mechanism is also widely used and is also provided with a synchronous cog belt transmission door opening and closing mechanism which utilizes a synchronous cog belt to carry out direct transmission and has a complex connection structure.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve current connecting rod transmission switch door mechanism structure complicacy, consumed power height, the problem that synchronous cog belt transmission switch door mechanism cog belt connection structure is complicated provides an elevator switch door mechanism.
The utility model adopts the technical scheme as follows:
the utility model provides an elevator switch door mechanism, is equipped with the switch door mechanism of symmetry respectively on the upper portion of two car doors, and switch door mechanism includes connecting rod, rotary mechanism, drive shaft, the driving shaft connecting motor, rotary mechanism includes rotating member, tight pulley and establishes the circular recess on the tight pulley, the rotating member is connected the drive shaft and is rotated along circular recess on the tight pulley and connect, and connecting rod one end is connected simultaneously to the rotating member, and the connecting rod other end is connected with the car door.
Furthermore, one side of the upper parts of the two car doors close to the middle is respectively provided with a connecting piece, the connecting pieces are fixedly connected with the car doors, the upper side and the lower side of each connecting piece are bent, a slide way is arranged between the left fixed wheel and the right fixed wheel which are symmetrical, the connecting pieces are movably sleeved on the surfaces of the slide ways and are connected with the connecting rods through bolts, pulley mechanisms are arranged at the bending positions of the connecting pieces, and the pulley mechanisms are distributed at the upper part and the lower part of the bending parts of the connecting pieces and are respectively provided. The connecting piece is used for controlling the movement of the car door through the connecting rod, the bent connecting piece cannot derail when moving on the slide way to keep the horizontal movement of the connecting piece on the sliding way, and meanwhile, the pulley mechanism arranged on the inner side of the connecting piece enables the connecting piece to move smoothly, so that the friction force between the connecting piece and the slide way is reduced.
Further, the rotating part comprises a U-shaped part and a joint, a U-shaped through hole is formed in the middle of the U-shaped part, and the driving shaft penetrates through the joint and is fixedly connected with the rotating part. The middle of the U-shaped part is provided with a through hole so that the connecting rod moves in the circular groove of the fixed wheel through a bolt, the joint is fixedly connected with the driving shaft, the driving shaft controls the rotation of the rotating part, and the rotating part drives the connecting rod to move so that the connecting part and the car door move.
Furthermore, a small hole is formed in the slide way corresponding to the U-shaped through hole of the rotating piece, a bolt penetrates through the small hole to connect the connecting rod and the slide way, and the bolt penetrates through the U-shaped through hole of the rotating mechanism. One end of the connecting rod moves in the circular groove along with the rotation of the rotating mechanism, the connecting rod moves in the U-shaped through hole, and when the rotating mechanism winds a whole circle, the connecting rod is reversed in the U-shaped through hole.
Furthermore, one end of the connecting rod is connected with the car door, the other end of the connecting rod is provided with a connecting column, and the connecting column penetrates through the rotating piece to be movably connected with the groove of the fixed wheel.
Furthermore, the fixed wheel is installed on a car door beam, the inner side of a groove on the fixed wheel is wide, the outer side of the groove on the fixed wheel is narrow, namely the area of the joint of the connecting column and the groove of the fixed wheel is narrow, and the area of the groove on the surface of the fixed wheel is large. The structure enables the connecting rod to stably move in the groove, and prevents the connecting column from sliding out of the groove during movement.
Further, the bottom of the connecting column is smooth and hemispherical. Smooth and hemispherical reduces the friction between the connecting post and the groove.
Furthermore, one side of the driving shaft connected with the fixed wheel is provided with an adjusting nut, and the adjusting nut is movably connected with the fixed wheel. Adjusting nut control tight pulley and the rotating member between the distance size, thereby can increase the too big phenomenon of skidding appears in the rotating member rotation on the tight pulley that leads to of frictional force between tight pulley and the rotating member if the interval undersize between tight pulley and the rotating member, if the interval between tight pulley and the rotating member is too big can lead to rotating member and connecting piece not on a plane, the unmovable or connecting rod cracked condition of connecting piece can appear.
The utility model discloses following beneficial effect has: the door opening and closing mechanism is simple in structure, convenient to install on site and simple in part structure, and components are not easy to damage in the action process of the door opening and closing mechanism, the opening and closing of the car door is stable, and the power of the door opening and closing mechanism is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top plan view of the door opening and closing mechanism;
FIG. 3 is a front view of the connector;
fig. 4 is an enlarged view of the fixed sheave and its rotation mechanism.
In the figure, 1 is a car door, 2 is a slide way, 3 is a connecting column, 4 is a connecting rod, 5 is a bolt, 6 is a connecting piece, 7 is a U-shaped piece, 8 is a driving shaft, 9 is a fixed wheel, 10 is an adjusting nut, 11 is a groove, 12 is a joint, 13 is a U-shaped through hole, and 14 is a pulley mechanism.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example (b): as shown in fig. 1 to 4, the door opening and closing mechanism for the elevator is characterized in that symmetrical door opening and closing mechanisms are respectively arranged at the upper parts of two car doors 1, each door opening and closing mechanism comprises a connecting rod 4, a rotating mechanism and a driving shaft 8, the driving shaft 8 is connected with a motor, the rotating mechanism comprises a rotating piece, a fixed wheel 9 and a circular groove 11 arranged on the fixed wheel 9, the rotating piece is connected with the driving shaft 8 and is rotatably connected with the fixed wheel 9 along the circular groove 11, the rotating piece is simultaneously connected with one end of the connecting rod 4, and the other end of the connecting rod 4 is connected with the car doors 1.
This mechanism opens the door and shuts through parts such as simple drive shaft 8, rotary mechanism, connecting rod 4, motor and connect, realizes that the motor only needs control drive shaft 8 can accomplish the action of opening and shutting the door, and power consumption is low, and the car door 1 switch is steady to this mechanical structure is difficult to damage.
The field installation process of the door opening and closing mechanism comprises the following steps: when the connecting piece 6 is made of a material, a steel plate with a certain thickness is selected, if the thickness is not enough, the connecting piece 6 is broken in the moving process of the door opening and closing mechanism, the connecting piece 6 and the car door 1 are welded together, pulley mechanisms 14 are respectively installed at the upper and lower proper positions of the bent inner side of the connecting piece 6, the left and right sliding ways 2 of the door opening and closing mechanism penetrate through the whole door opening and closing mechanism, and during installation, the positions of the sliding ways 2 are separated from the car door 1 by a little distance. Two connecting rods 4 are respectively arranged on the surface of a connecting piece 6 through bolts 5, two ends of a slideway 2 are both provided with fixed wheels 9, the back surface of the slideway 2 is welded with the surface of the fixed wheels 9, when the fixed wheels 9 are arranged at one end of the connecting rods 4 and are in the same horizontal line with the slideway 2, connecting columns 3 on the connecting rods 4 correspond to grooves 11 on the surface of the fixed wheels 9, a driving shaft 8 passes through the center of the fixed wheels 9, the back surface of the fixed wheels 9 is provided with a motor, the driving shaft 8 is connected with the motor, door opening and closing mechanisms at the left side and the right side are respectively connected with two motors in opposite directions, adjusting nuts 10 are arranged on the driving shaft 8, a joint 12 of a rotating mechanism is arranged on the driving shaft 8, the connecting columns 3 pass through a reserved hole at one end of the connecting rods 4, the connecting columns 3 are fixedly connected with the connecting rods 4, the hemispherical and smooth ends of the connecting columns, if the rotating mechanism and the connecting piece 6 are not on the same horizontal plane during installation, the adjusting nut 10 is screwed to a proper position and then the adjusting nut 10 is fixed. The inner part of the groove 11 on the fixed wheel 9 is wide, the outer part of the groove is narrow, namely the area of the joint of the connecting column 3 and the groove 11 of the fixed wheel 9 is narrow, and the area of the groove 11 on the surface of the fixed wheel 9 is large. The structure enables the connecting rod 4 to stably move in the groove 11 and prevents the connecting column 3 from sliding out of the groove 11 during movement.
The door opening and closing mechanism is simple in structure, convenient to install on site and simple in part structure, and components are not easy to damage in the action process of the door opening and closing mechanism, the opening and closing of the car door is stable, and the power of the door opening and closing mechanism is reduced.
Claims (8)
1. The utility model provides an elevator switch door mechanism, its characterized in that is equipped with the switch door mechanism of symmetry respectively on the upper portion of two car doors (1), and the switch door mechanism includes connecting rod (4), rotary mechanism, drive shaft (8) are connected the motor, rotary mechanism includes rotating member, tight pulley (9) and establishes circular recess (11) on tight pulley (9), the rotating member is connected drive shaft (8) and is rotated along circular recess (11) on tight pulley (9) and is connected, and connecting rod (4) one end is connected simultaneously to the rotating member, and the connecting rod (4) other end is connected with car door (1).
2. The elevator door opening and closing mechanism according to claim 1, wherein one side of the upper portions of the two car doors (1) close to the middle is provided with a connecting piece (6), the connecting piece (6) is fixedly connected with the car doors (1), the upper side and the lower side of the connecting piece (6) are bent, a slideway is arranged between the left fixed wheel and the right fixed wheel, the connecting piece (6) is movably sleeved on the surface of the slideway (2), the connecting piece (6) is connected with the connecting rod (4) through a bolt (5), a pulley mechanism (14) is arranged at the bending position of the connecting piece (6), and the pulley mechanisms (14) are distributed above and below the bending portion of the connecting piece (6) and are respectively two.
3. An elevator door opening and closing mechanism according to claim 2, characterized in that the rotating member comprises a U-shaped member (7) and a joint (12), a U-shaped through hole (13) is formed in the middle of the U-shaped member (7), and the driving shaft (8) passes through the joint (12) and is fixedly connected with the rotating member.
4. An elevator door opening and closing mechanism according to claim 3, characterized in that a small hole is arranged on the slide way (2) corresponding to the U-shaped through hole (13) of the rotating member, the bolt (5) passes through the small hole to connect the connecting rod (4) and the slide way (2), and the bolt (5) passes through the U-shaped through hole (13) of the rotating member.
5. An elevator door opening and closing mechanism according to claim 1, characterized in that one end of the connecting rod (4) is connected with the car door (1), the other end is provided with a connecting column (3), and the connecting column (3) passes through the rotating member to be movably connected with the groove (11) of the fixed wheel (9).
6. An elevator door opening and closing mechanism according to claim 5, characterized in that the fixed wheel (9) is installed on the cross beam of the car door (1), the groove (11) on the fixed wheel (9) is wide inside and narrow outside, namely the area of the joint of the connecting column (3) and the fixed wheel groove (11) is narrow, and the area of the groove (11) on the surface of the fixed wheel (9) is large.
7. Elevator door opening and closing mechanism according to claim 5, characterized in that the bottom of the connecting column (3) is smooth and hemispherical.
8. An elevator door opening and closing mechanism as claimed in claim 1, characterized in that an adjusting nut (10) is arranged on the side of the driving shaft (8) connected with the fixed wheel (9), and the adjusting nut (10) is movably connected with the fixed wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921682104.XU CN210795464U (en) | 2019-10-10 | 2019-10-10 | Elevator door opening and closing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921682104.XU CN210795464U (en) | 2019-10-10 | 2019-10-10 | Elevator door opening and closing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210795464U true CN210795464U (en) | 2020-06-19 |
Family
ID=71244548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921682104.XU Active CN210795464U (en) | 2019-10-10 | 2019-10-10 | Elevator door opening and closing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210795464U (en) |
-
2019
- 2019-10-10 CN CN201921682104.XU patent/CN210795464U/en active Active
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