CN220687150U

CN220687150U - Safety protection device for deflection of rotary wing

Info

Publication number: CN220687150U
Application number: CN202322221198.3U
Authority: CN
Inventors: 周国青; 周锐泽
Original assignee: Shandong Ruize Automation Technology Co ltd
Current assignee: Shandong Ruize Automation Technology Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-03-29
Anticipated expiration: 2033-08-17

Abstract

The utility model relates to a safety protection device for deflection of a rotary wing, and belongs to the technical field of rotary doors. The folding type folding and unfolding device comprises a folding and unfolding box with a curved wall, wherein a double-rocker mechanism is connected to the folding and unfolding box, a connecting rod of the double-rocker mechanism is fixed to a movable door leaf, a connecting arm is fixed to the bottom end of the folding and unfolding box and is hinged to a rack plate included in the double-rocker mechanism, and a protection mechanism for preventing a rack from retracting is arranged at the hinged position of the connecting arm and the rack plate. The utility model provides a safety protection device with a rotary wing deflected, which prevents a movable door leaf from retracting, thereby avoiding damaging the appearance of a display box and affecting the transmission accuracy of a central shaft in the display box.

Description

Safety protection device for deflection of rotary wing

Technical Field

The utility model relates to a safety protection device for deflection of a rotary wing, and belongs to the technical field of rotary doors.

Background

The revolving door generally has a certain potential safety hazard to influence the use experience of people, namely, when a pedestrian enters the revolving door at an entrance, if the pedestrian passes improperly or moves slowly, the pedestrian can be brought into a narrow running gap formed between the outer side of the curved wall of the display box and the inner side of the fixed curved wall by the revolving door, and the pedestrian is injured. The prior Chinese patent application number 202221739137.5 is structurally characterized by comprising a display box with a curved wall, wherein the display box can rotate around a rotation center, a movable door leaf is arranged in front of the curved wall on the outer side of the display box, and the movable door leaf is connected with the upper end and the lower end of the display box through a double-rocker mechanism. The double-rocker mechanism comprises a connecting rod, a first connecting rod close to the display box and a second connecting rod far away from the display box, wherein the connecting rod is fixed with the display box, one ends of the first connecting rod and the second connecting rod are respectively hinged with the inner side of the movable door leaf, the other ends of the first connecting rod and the second connecting rod are respectively hinged with the connecting rod, and when the movable door leaf receives pushing force, the movable door leaf can deflect towards the direction of the display box. In order to enable the movable door leaf to deflect towards the direction of the display box better when the movable door leaf is impacted, the length of the first connecting rod is longer than that of the second connecting rod. An automatic resetting device is arranged between the first connecting rod and the connecting rod, and the automatic resetting device can adopt a damper or a tension spring. After the reset device resets, the movable door leaf cannot be locked, so that the movable door leaf is retracted, the appearance of the exhibition box is damaged, the trace offset of the exhibition box is caused, and the transmission accuracy inside the exhibition box is affected.

Disclosure of Invention

The utility model aims to solve the technical problems that: the safety protection device for the deflection of the rotary wing is provided to overcome the defects of the prior art, and the retraction of the movable door leaf is avoided, so that the damage to the appearance of the display box and the influence on the transmission accuracy of the center shaft in the display box are avoided.

The utility model relates to a safety protection device for deflection of a rotary wing, which comprises a curved-wall display box, wherein a double-rocker mechanism is connected to the display box, a connecting rod of the double-rocker mechanism is fixed on a movable door leaf, a connecting arm is fixed at the bottom end of the display box and is hinged with a frame plate included in the double-rocker mechanism, and a protection mechanism for preventing a frame from retracting is arranged at the hinge position of the connecting arm and the frame plate.

Further, the protection mechanism comprises a hinge shaft arranged at the hinge position of the connecting arm and the frame plate, the hinge shaft is fixed on the connecting arm, a clamping block is fixedly arranged at the upper end of the hinge shaft, and the frame plate is provided with a clamping jaw matched with the clamping block.

Further, the frame plate is hinged with a rocker I and a rocker II, and the other ends of the rocker I and the rocker II are hinged with connecting rods.

Further, a connecting shaft is fixed at the lower end of the claw, and a torsion spring is sleeved on the connecting shaft.

Further, a thrust ball bearing is sleeved on the hinge shaft and is arranged between the connecting arm and the frame plate.

Further, rolling bearings are arranged at the hinge points of the rocking bars I and II and the frame plate and the connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the protection mechanism is arranged, and the movable door leaf is prevented from retracting by locking the hinge shaft and the frame plate, so that the damage to the appearance of the display box and the influence on the transmission accuracy of the middle shaft in the display box are avoided.

Drawings

FIG. 1 is a schematic illustration of an unlocked configuration of embodiment 1 of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic diagram of a locking structure of embodiment 1 of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic view showing the construction of the installation position of embodiment 1 of the present utility model;

FIG. 6 is a schematic view of the structure of the protection mechanism of embodiment 1 of the present utility model;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

FIG. 8 is a schematic view of the structure of the frame plate of embodiment 1 of the present utility model;

in the figure:

1. a display box; 11. a connecting arm;

2. a movable door leaf;

3. a double rocker mechanism; 31. a frame plate; 32. a rocker I; 33. a rocker II; 34. a connecting rod;

4. a protective mechanism; 41. a hinge shaft; 42. a clamping block; 43. a claw; 44. a connecting shaft; 45. a torsion spring; 46. thrust ball bearings.

Detailed Description

Example 1

As shown in fig. 1 to 8, the safety protection device for deflection of the rotary wing according to the present utility model comprises a curved-wall display box 1, wherein a double-rocker mechanism 3 is connected to the display box 1, a connecting rod 34 of the double-rocker mechanism 3 is fixed to a movable door leaf 2, a connecting arm 11 is fixed to the bottom end of the display box, the connecting arm 11 is hinged to a frame plate 31 included in the double-rocker mechanism 3, and a protection mechanism 4 for preventing the frame from retracting is provided at the hinge position of the connecting arm 11 and the frame plate 31.

The protection mechanism 4 comprises a hinge shaft 41 arranged at the hinge position of the connecting arm 11 and the frame plate 31, the hinge shaft 41 is fixed on the connecting arm 11, a clamping block 42 is fixedly arranged at the upper end of the hinge shaft 41, a clamping jaw 43 matched with the clamping block 42 is arranged on the frame plate 31, the clamping block 42 is a protruding block with a protrusion, and when the protruding block rotates to a corresponding position, the clamping jaw 43 is clamped to the protrusion.

The frame plate 31 is hinged with a rocker I32 and a rocker II 33, and the other ends of the rocker I32 and the rocker II 33 are hinged with a connecting rod 34.

The lower extreme of jack catch 43 is fixed with connecting axle 44, and the cover is equipped with torsional spring 45 on the connecting axle 44, and torsional spring 45 lower extreme is fixed on frame plate 31, specifically realizes through a little dog, and torsional spring 45 upper end is fixed in the lower extreme of jack catch 43, and its fixed mode can be realized through setting up bellied little axle, also can welded fastening, and torsional spring 45 its main aim is to provide moment of torsion for jack catch 43 to make jack catch 43 firmly paste on the fixture block 42 surface.

The hinge shaft 41 is fitted with a thrust ball bearing 46, and the thrust ball bearing 46 is disposed between the link arm 11 and the frame plate 31.

The hinge points of the rocking bars I32 and II 33 and the frame plate 31 and the connecting rod 34 are provided with rolling bearings.

Working process or working principle:

the protection mechanism 4 plays a role in locking and fixing the movable door leaf 2, prevents the movable door leaf 2 from retracting and colliding with the display box 1, only performs one-way locking, and prevents the door leaf from retracting and swinging to cause transmission faults at the middle shaft in the display box.

The description of the directions and the relative positional relationships of the structures, such as the description of the front, back, left, right, up and down, in the present utility model does not limit the present utility model, but is merely for convenience of description.

Claims

1. The utility model provides a safety device of rotatory wing deflection, includes exhibition case (1) of curved wall, connects two rocker mechanism (3) on exhibition case (1), and its connecting rod (34) are fixed on movable door leaf (2) in two rocker mechanism (3), its characterized in that, exhibition case bottom fixed connection arm (11), frame board (31) that include in articulated two rocker mechanism (3) of connecting arm (11), the articulated department of connecting arm (11) and frame board (31) is provided with protection machanism (4) that prevent that the frame from retracting.

2. The safety protection device for deflection of rotary wings according to claim 1, wherein the protection mechanism (4) comprises a hinge shaft (41) arranged at the hinge position of the connecting arm (11) and the frame plate (31), the hinge shaft (41) is fixed on the connecting arm (11), a clamping block (42) is fixedly arranged at the upper end of the hinge shaft (41), and a clamping jaw (43) matched with the clamping block (42) is arranged on the frame plate (31).

3. Safety device for deflection of rotary wing according to claim 1 or 2, characterized in that the frame plate (31) is hinged with a rocker i (32) and a rocker ii (33), and the other ends of the rocker i (32) and the rocker ii (33) are hinged with a connecting rod (34).

4. A rotary wing deflection safety device according to claim 3, characterized in that the lower end of the claw (43) is fixed with a connecting shaft (44), and the connecting shaft (44) is sleeved with a torsion spring (45).

5. The safety device for deflection of rotary wings according to claim 4, wherein the hinge shaft (41) is fitted with a thrust ball bearing (46), and the thrust ball bearing (46) is disposed between the connecting arm (11) and the frame plate (31).

6. The safety device for deflection of rotary wings according to claim 5, wherein rolling bearings are mounted at the hinge points of the rocking lever i (32) and rocking lever ii (33) with the frame plate (31) and the connecting rod (34).