CN212743714U

CN212743714U - High-safety manual opening and closing mechanical device for heavy access door

Info

Publication number: CN212743714U
Application number: CN202021269325.7U
Authority: CN
Inventors: 徐中山
Original assignee: Jiangsu Shanmiao Environmental Engineering Co ltd
Current assignee: Jiangsu Shanmiao Environmental Engineering Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-19
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to the technical field of access doors, in particular to a high-safety manual opening and closing mechanical device for a heavy access door, which comprises a box body, a door plate, a swing arm rotating shaft, a first fixing plate and a second fixing plate; the box body is provided with two first fixing plates, the first fixing plates are rotatably connected with swing arm rotating shafts, the swing arm rotating shafts are vertically arranged on the side surfaces of the box body overhauling holes, the upper end and the lower end of each swing arm rotating shaft are fixedly connected with horizontally extending swing arms, and the swing arms are rotatably connected with second fixing plates close to the middle positions of the upper side and the lower side of the door plate; the door plate is connected with the box body through a bolt fastener. The utility model discloses fix heavy access door on the box through upper and lower two access door swing arms and first, second fixed plate, accessible swing arm switch door does not need whole dismantlement access door, and the security performance is high, the utility model discloses be equipped with the bearing in swing arm pivot department, reduce the resistance, easily maintenance switch.

Description

High-safety manual opening and closing mechanical device for heavy access door

Technical Field

The utility model relates to an access door technical field, concretely relates to heavy access door manual switch mechanical device of high security.

Background

The access door of the heat preservation box body in modern waste gas treatment and coating industries adopts an integral structure heavy door with screw connection around for ensuring the sealing performance, the heat preservation cotton is filled inside, the access door is large in size and weight, and the access door is installed in a matched mode through bolts and an equipment box body to achieve the sealing effect.

But above-mentioned access door needs whole dismantlement when maintenance inspection, and the maintenance of being not convenient for, the security is low when dismantling.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be: the existing access door needs to be integrally disassembled and inconvenient to maintain when being overhauled, and the high-safety manual opening and closing mechanical device for the heavy access door is provided.

The utility model is realized by the following technical scheme, a high-safety manual switch mechanical device for a heavy access door, which comprises a box body, a door plate, a swing arm rotating shaft, a first fixing plate and a second fixing plate;

the box body is provided with two first fixing plates, the first fixing plates are rotatably connected with swing arm rotating shafts, the swing arm rotating shafts are vertically arranged on the side surfaces of the box body overhauling holes, the upper end and the lower end of each swing arm rotating shaft are fixedly connected with horizontally extending swing arms, and the swing arms are rotatably connected with second fixing plates close to the middle positions of the upper side and the lower side of the door plate; the door plate rotates on the box body through the swing arm, and the door plate is connected with the box body through a bolt fastener.

Furthermore, the swing arm rotating shaft is internally provided with a bearing, is rotatably connected with the first fixing plate through the bearing, reduces resistance and is easy to maintain the switch.

Further, the swing arm pivot is the hollow shaft, and swing arm pivot endotheca has the dabber, the dabber is the step axle, and the bearing is all installed to dabber both ends step face, bearing inner race and first fixed plate fixed connection reduce the rotation resistance through the bearing, the dabber has adjusting nut through threaded connection, adjusting nut is located the top of bottom bearing, adjusting nut offsets swing arm pivot terminal surface, plays the supporting role, adjusts the upper and lower position of swing arm pivot through rotatory adjusting nut.

Furthermore, the swing arm rotating shaft is also provided with a through bolt hole, and a locking bolt is arranged in the bolt hole.

Furthermore, the mounting holes for connecting the second fixing plate with the door panel are horizontal groove-shaped holes, so that the door clearance can be conveniently adjusted finely.

Furthermore, two door handles are further arranged on the door plate, so that force can be applied when the access door is opened conveniently.

The utility model has the advantages that:

1. the utility model discloses install the swing arm additional on original access door, fix on the box, make the access door can the level open, need not whole dismantlement and get off, convenient the maintenance, the utility model discloses both sides all are equipped with the swing arm about the door plant, compare with single swing arm access door, the door plant rotates more steadily, does not have and rocks, and the security is higher.

2. The utility model discloses be equipped with the bearing in swing arm pivot department, reduce the resistance, easily maintenance switch.

3. The mounting hole that second fixed plate and door plant are connected adopts horizontally cell type hole, makes things convenient for the fine-tuning clearance.

Drawings

Fig. 1 is a schematic structural diagram of an open state of a high-safety manual opening and closing mechanical device for a heavy-duty access door of the present invention;

fig. 2 is a schematic structural diagram of a high-safety heavy-duty access door manual switch mechanical device in a closed state;

FIG. 3 is a schematic view illustrating a connection between a rotating shaft of a swing arm and a first fixing plate according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating connection between the swing arm rotating shaft and the spindle and the first fixing plate in the second embodiment.

In the figure: 1. a box body; 2. a door panel; 3. swinging arms; 4. a swing arm rotating shaft; 5. a first fixing plate; 6. a second fixing plate, 7 and a bearing; 8. a mandrel; 9. adjusting the nut; 10 locking the bolt; 11. a door handle.

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 work belong to the protection scope of the present invention.

As shown in fig. 1-4, a high-safety manual opening and closing mechanical device for a heavy-duty access door comprises a box body 1, a door panel 2, a swing arm 3, a swing arm rotating shaft 4, a first fixing plate 5 and a second fixing plate 6;

the box body 1 is provided with two first fixing plates 5, the first fixing plates 5 are rotatably connected with swing arm rotating shafts 4, the swing arm rotating shafts 4 are vertically arranged on the side surfaces of the overhaul hole of the box body 1, the upper end and the lower end of each swing arm rotating shaft 4 are fixedly connected with swing arms 3 which horizontally extend out, and the swing arms 3 are rotatably connected with second fixing plates 6 which are close to the middle positions of the upper side and the lower side of the door panel 2; the door plate 2 rotates on the box body 1 through the swing arm 3, and the door plate 2 is connected with the box body 1 through a bolt fastener.

In the first embodiment, the swing arm rotating shaft 4 is internally provided with the bearing 7, and the swing arm rotating shaft 4 is rotatably connected with the first fixing plate 5 through the bearing 7, so that the resistance is reduced, and the switch is easy to maintain.

In embodiment two, swing arm pivot 4 is the hollow shaft, and 4 endothecas of swing arm pivot have dabber 8, dabber 8 is the step axle, and bearing 7 is all installed to dabber 8 both ends step face, bearing 7 outer lane and 5 fixed connection of first fixed plate reduce the rotation resistance through bearing 7, dabber 8 has adjusting nut 9 through threaded connection, adjusting nut 9 is located the top of bottom bearing 7, adjusting nut 9 offsets 4 terminal surfaces of swing arm pivot, plays the supporting role, adjusts the upper and lower position of swing arm pivot 4 through rotatory adjusting nut 9. The swing arm rotating shaft 4 is further provided with a through bolt hole, a locking bolt 10 is arranged in the bolt hole, and the locking bolt is screwed to fix the relative position between the swing arm rotating shaft 4 and the mandrel 8.

In practical application, the mounting holes for connecting the second fixing plate 6 and the door panel 2 are horizontal groove-shaped holes, so that the door clearance can be adjusted finely.

In practical application, two door handles 11 are further arranged on the door panel 2, so that force can be conveniently applied when the access door is opened.

The utility model discloses a theory of operation:

the utility model discloses fix heavy access door on the box through two upper and lower access door swing arms 2 and first, second fixed plates, accessible swing arm 2 switch doors do not need whole dismantlement access door, and the security performance is high, is equipped with bearing 7 in 4 departments of swing arm pivot, reduces the resistance, easily maintains the switch.

To sum up, a heavy access door manual switch mechanical device of high security have the advantage that the structure is nimble, easy maintenance, security are high.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.

Claims

1. The utility model provides a heavy access door manual switch mechanical device of high security which characterized in that: comprises a box body (1), a door plate (2), a swing arm (3), a swing arm rotating shaft (4), a first fixing plate (5) and a second fixing plate (6);

the box body (1) is provided with two first fixing plates (5), the first fixing plates (5) are rotatably connected with swing arm rotating shafts (4), the swing arm rotating shafts (4) are vertically arranged on the side surfaces of the overhaul hole of the box body (1), the upper ends and the lower ends of the swing arm rotating shafts (4) are fixedly connected with swing arms (3) which horizontally extend out, and the swing arms (3) are rotatably connected with second fixing plates (6) which are close to the middle positions on the upper side and the lower side of the door panel (2); the door plate (2) rotates on the box body (1) through the swing arm (3), and the door plate (2) is connected with the box body (1) through a bolt fastener.

2. The high-safety manual opening and closing mechanical device for the heavy-duty access door according to claim 1, wherein: swing arm pivot (4) embeds there is bearing (7), and swing arm pivot (4) are connected with first fixed plate (5) rotation through bearing (7).

3. The high-safety manual opening and closing mechanical device for the heavy-duty access door according to claim 1, wherein: swing arm pivot (4) are the hollow shaft, and swing arm pivot (4) endotheca has dabber (8), dabber (8) are the step axle, and bearing (7) are all installed to dabber (8) both ends step face, bearing (7) outer lane and first fixed plate (5) fixed connection, dabber (8) have adjusting nut (9) through threaded connection, adjusting nut (9) are located the top of bottom bearing (7), adjusting nut (9) offset swing arm pivot (4) terminal surface, play the supporting role.

4. A high safety manual opening and closing mechanism for heavy duty access door according to claim 3 characterized by: the swing arm rotating shaft (4) is further provided with a through bolt hole, and a locking bolt (10) is arranged in the bolt hole.

5. The high-safety manual opening and closing mechanical device for the heavy-duty access door according to claim 1, wherein: the mounting holes for connecting the second fixing plate (6) and the door panel (2) are horizontal groove-shaped holes, so that the door clearance can be adjusted finely.

6. The high-safety manual opening and closing mechanical device for the heavy-duty access door according to claim 1, wherein: two door handles (11) are also arranged on the door panel (2).