CN210528207U

CN210528207U - Elevator door opening mechanism

Info

Publication number: CN210528207U
Application number: CN201921262366.0U
Authority: CN
Inventors: 钱卫; 严红星; 刘小萍
Original assignee: Hengda Fuji Elevator Co Ltd
Current assignee: Hengda Fuji Elevator Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-15
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses an elevator mechanism of opening door relates to elevator technical field, including layer door, door head wheel carrier, door head slide rail is fixed on the well wall, its characterized in that: the bottom fixedly connected with layer door slider of layer door, layer door slider inserts and establishes in the layer door sill and can follow the layer door sill and slide, the top of layer door and the bottom fixed connection of door head wheel carrier, the upper portion of layer door wheel carrier is fixed and is provided with first installation axle, install the door pulley on the first installation axle, door pulley support mounting is on the door head slide rail that is located the below, the top of door pulley and door head slide rail is through the vice cooperation of sliding, the fixed second installation axle that is provided with in lower part of layer door wheel carrier, the epaxial eccentric wheel of installation of second installation, the eccentric wheel is with the bottom clearance fit of the door head slide rail that is located the top, the epaxial spacing wheel of still installing in the both sides of eccentric wheel of second installation, the radius of spacing wheel is greater than. The utility model discloses the layer door operational reliability of elevator is high, and the security is good.

Description

Elevator door opening mechanism

Technical Field

The utility model relates to an elevator technical field especially relates to an elevator mechanism of opening door.

Background

The car type elevator comprises elevator door opening mechanisms, the existing elevator door opening mechanism comprises a door head sliding rail fixed on a hoistway wall, a door head wheel carrier driving a landing door to move, the door head wheel carrier is suspended on the door head sliding rail through a door pulley, and an eccentric wheel controlling the door pulley to move on the door head sliding rail is further mounted on the lower portion of the door head wheel carrier. However, after the door opening mechanism is used for a long time, the pulley abrasion and the structural part deformation are easy to occur, the gap between the eccentric wheel and the door head sliding rail is enlarged, and if the door opening mechanism is not used properly under the action of external force in the using process, the door head wheel frame and the landing door are easy to separate from the door head sliding rail, the landing door cannot be normally opened and closed, and safety accidents occur.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is exactly in order to compensate the defect that prior art exists, provides an elevator mechanism of opening a door, solves current elevator mechanism of opening a door and uses the back for a long time, because the effect of the deformation of pulley wearing and tearing, structure and external force, takes place the layer door easily and can not normally open and close, the incident scheduling problem appears.

The utility model discloses technical scheme as follows: the utility model provides an elevator mechanism of opening door, includes layer door, door head wheel carrier, door head slide rail is fixed on the well wall, its characterized in that: the bottom of the landing door is fixedly connected with a landing door sliding block, the landing door sliding block is inserted into a landing door sill and can slide along the landing door sill, the top of the landing door is fixedly connected with the bottom of the door head wheel carrier, a first installation shaft is fixedly arranged on the upper portion of the landing door wheel carrier, a door pulley is installed on the first installation shaft, the door pulley is supported and installed on the door head slide rail located below, the door pulley is matched with the top of the door head slide rail through a sliding pair, a second installation shaft is fixedly arranged on the lower portion of the landing door wheel carrier, an eccentric wheel is installed on the second installation shaft, the eccentric wheel is in clearance fit with the bottom of the door head slide rail located above, limiting wheels are installed on the two sides of the eccentric wheel on the second installation shaft, and the radius of the limiting wheels is larger than the maximum radius of the eccentric wheel.

Further, the radius of the limiting wheel is 1.2-2 times of the maximum radius of the eccentric wheel.

Further, the radius of the limiting wheel is 1.5 times of the maximum radius of the eccentric wheel.

Further, the top surface of the door head sliding rail is an arc-shaped surface which is convex outwards, and an arc-shaped surface which is concave inwards and matched with the arc-shaped surface which is convex outwards is arranged on the door pulley.

Further, the door head slide rail is fixed on the wall of the well through expansion bolts.

Further, the layer door sliding block is fixedly connected with the bottom of the layer door through a bolt.

Further, the top of the layer door is fixedly connected with the bottom of the door head wheel frame through bolts.

Further, the door pulley is rotatably mounted on the first mounting shaft.

Further, the eccentric is rotatably mounted on the second mounting shaft.

Further, the limiting wheel is fixedly mounted on the second mounting shaft.

The beneficial effects of the utility model reside in that: the limiting wheels are arranged on the two sides of the eccentric wheel and the door head sliding rail which are in clearance fit, so that the relative movement of the eccentric wheel and the door head sliding rail in the axial direction can be limited, even if the pulley is worn and the deformation of a structural part causes the clearance between the eccentric wheel and the door head sliding rail to be enlarged, or the eccentric wheel and the door head sliding rail cannot be separated under the action of external force in the using process, the occurrence that the door head wheel carrier and the layer door are separated from the door head sliding rail is prevented, the working reliability of the layer door is high, and the safety is good.

Drawings

Fig. 1 is the structure schematic diagram of the elevator door opening mechanism of the utility model.

Wherein, 1-layer door; 2-a door head wheel carrier; 3-door head slide rail; 4-layer door sliders; 5-landing sill; 6-a first mounting shaft; 7-a door pulley; 8-a second mounting axis; 9-eccentric wheel; 10-limiting wheel.

Detailed Description

The following provides a brief description of the embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, an elevator door opening mechanism comprises a landing door 1, a door head wheel carrier 2 and a door head slide rail 3, wherein the door head slide rail 3 is fixed on a hoistway wall, a landing door slide block 4 is fixedly connected to the bottom of the landing door 1, the landing door slide block 4 is inserted into a landing door sill 5 and can slide along the landing door sill 5, the top of the landing door 1 is fixedly connected with the bottom of the door head wheel carrier 2, a first mounting shaft 6 is fixedly arranged on the upper portion of the door head wheel carrier 2, a door pulley 7 is mounted on the first mounting shaft 6, the door pulley 7 is supported and mounted on the door head slide rail 3 positioned below, the door pulley 7 is matched with the top of the door head slide rail 3 through a sliding pair, a second mounting shaft 8 is fixedly arranged on the lower portion of the door head wheel carrier 2, an eccentric wheel 9 is mounted on the second mounting shaft 8, the eccentric wheel 9 is in clearance fit with the bottom of the door head slide rail 3 positioned above, and the second mounting shaft 8 is also provided with limiting wheels 10 at two sides of the eccentric wheel 9, and the radius of the limiting wheels 10 is greater than the maximum radius of the eccentric wheel 9.

The utility model discloses a both sides at clearance fit's eccentric wheel 9 and door head slide rail 3 set up spacing wheel 10, can restrict eccentric wheel 9 and door head slide rail 3 at axial relative movement, therefore even the deformation of pulley wearing and tearing and structure piece appears and cause eccentric wheel 9 and door head slide rail 3 clearance grow, perhaps receive exogenic action in the use, can not produce breaking away from of eccentric wheel 9 and door head slide rail 3 yet, the emergence that door head wheel carrier 2 and layer door 1 break away from door head slide rail 3 has been prevented, layer door 1 operational reliability is high, the security is good.

Optionally, the radius of the limiting wheel 10 is 1.2-2 times of the maximum radius of the eccentric wheel 9; optionally, under the condition that the limiting wheel 10 can be used for well limiting the axial movement between the eccentric wheel 9 and the door head sliding rail 3, the proportional relationship between the radius of the limiting wheel 10 and the maximum radius of the eccentric wheel 9 can also be other range values, such as greater than 2 times, and the embodiment of the present invention is not limited thereto. Preferably, the radius of the limiting wheel is 1.5 times of the maximum radius of the eccentric wheel.

Optionally, the top surface of the door head sliding rail 3 is an arc-shaped surface protruding outwards, and an arc-shaped surface recessed inwards and matched with the arc-shaped surface protruding outwards is arranged on the door pulley 7. Optionally, under the condition that can guarantee that door pulley 7 is smooth and easy stable the gliding at the top surface of door head slide rail 3, door pulley 7 with the cooperation sliding pair of the top surface of door head slide rail 3 still can be for other shapes, the embodiment of the utility model is not limited to this.

Optionally, the door head sliding rail 3 is fixed to the shaft wall by means of expansion bolts. Optionally, under the condition that can fix door head slide rail 3 on the well wall reliably and steadily, door head slide rail 3 can also fix on the well wall in other ways, the embodiment of the utility model is not limited to this.

Optionally, the landing door sliding block 4 is fixedly connected with the bottom of the landing door 1 through a bolt. Optionally, under the condition that can be reliably connected layer door slider 4 with layer door 1, other fixed connection modes can also be adopted with the bottom of layer door slider 4 with layer door 1, the embodiment of the utility model is not limited to this.

Optionally, the top of the landing door 1 is fixedly connected with the bottom of the door head wheel frame 2 through bolts. Optionally, under the condition that can reliably be connected layer door 1 with door head wheel carrier 2, other fixed connection modes can also be adopted to the top of layer door 1 and the bottom of door head wheel carrier 2, the embodiment of the utility model is not limited to this.

Optionally, the door pulley 7 is rotatably mounted on the first mounting shaft 6, so that the door pulley 7 can also roll on the top of the door head slide rail 3, and the friction between the door pulley 7 and the door head slide rail 3 is small, so that the resistance to opening and closing the door can be reduced. Optionally, the door pulley 7 is fixedly installed on the first installation shaft 6, and the door pulley 7 can only slide on the top of the door head slide rail 3, at this time, the friction force between the door pulley 7 and the door head slide rail 3 is large, which increases the resistance to opening and closing the door.

Alternatively, the eccentric wheel 9 is rotatably mounted on the second mounting shaft 8, so that when the eccentric wheel 9 contacts the bottom of the door head slide rail 3, the eccentric wheel 9 can roll relative to the bottom of the door head slide rail 3, and the friction force between the eccentric wheel 9 and the door head slide rail 3 is small, so that the resistance to opening and closing the door can be reduced. Optionally, the eccentric wheel 9 is fixedly mounted on the second mounting shaft 8, when the eccentric wheel 9 contacts with the bottom of the door head slide rail 3, the eccentric wheel 9 can only slide relative to the bottom of the door head slide rail 3, and at this time, the friction force between the eccentric wheel 9 and the door head slide rail 3 is large, which increases the resistance to opening and closing the door.

Since the eccentric only serves as a limiting function and does not contact and rub with other components, the limiting wheel 10 is optionally fixedly mounted on the second mounting shaft 8. Alternatively, the limiting wheel 10 is also rotatably mounted on the second mounting shaft 8, and only the mounting manner of the limiting wheel 10 on the second mounting shaft 8 is changed, so that the limiting effect of the eccentric 9 is not affected.

The present invention is not limited to the above-described specific embodiments, and various modifications and changes are possible. Any modification, equivalent replacement, improvement and the like made to the above embodiments according to the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. The utility model provides an elevator mechanism of opening door, includes layer door (1), door head wheel carrier (2), door head slide rail (3) are fixed on the well wall, its characterized in that: the bottom of the landing door (1) is fixedly connected with a landing door sliding block (4), the landing door sliding block (4) is inserted into the landing door sill (5) and can slide along the landing door sill (5), the top of the landing door (1) is fixedly connected with the bottom of the door head wheel carrier (2), the upper part of the wheel carrier of the landing door (1) is fixedly provided with a first installation shaft (6), the first installation shaft (6) is provided with a door pulley (7), the door pulley (7) is supported and installed on the door head sliding rail (3) positioned below, the door pulley (7) is matched with the top of the door head sliding rail (3) through a sliding pair, the lower part of the wheel carrier of the landing door (1) is fixedly provided with a second installation shaft (8), the second installation shaft (8) is provided with an eccentric wheel (9), and the eccentric wheel (9) is in clearance fit with the bottom of the door head sliding rail (3) positioned above, and limiting wheels (10) are further arranged on the second mounting shaft (8) and on two sides of the eccentric wheel (9), and the radius of each limiting wheel (10) is larger than the maximum radius of the eccentric wheel (9).

2. Elevator door opening mechanism according to claim 1, characterized in that the radius of the stop wheel (10) is 1.2-2 times the maximum radius of the eccentric wheel (9).

3. Elevator door opening mechanism according to claim 2, characterized in that the radius of the stop wheel (10) is 1.5 times the maximum radius of the eccentric wheel (9).

4. The elevator door opening mechanism according to claim 1, wherein the top surface of the door head sliding rail (3) is an arc surface protruding outwards, and an arc surface recessed inwards is arranged on the door pulley (7) and is matched with the arc surface protruding outwards.

5. Elevator door opening mechanism according to claim 1, characterized in that the door head sliding rail (3) is fixed to the hoistway wall by means of expansion bolts.

6. The elevator door opening mechanism according to claim 1, characterized in that the landing door slider (4) is fixedly connected with the bottom of the landing door (1) by means of bolts.

7. The elevator door opening mechanism according to claim 1, characterized in that the top of the landing door (1) is fixedly connected with the bottom of the door head frame (2) by bolts.

8. Elevator door opening mechanism according to claim 1, characterized in that the door pulley (7) is rotatably mounted on the first mounting shaft (6).

9. Elevator door opening mechanism according to claim 1, characterized in that the eccentric (9) is rotatably mounted on the second mounting shaft (8).

10. Elevator door opening mechanism according to claim 1, characterized in that the stop wheel (10) is fixedly mounted on the second mounting shaft (8).