CN210264360U

CN210264360U - Pneumatic automatic door

Info

Publication number: CN210264360U
Application number: CN201920500150.7U
Authority: CN
Inventors: 陈霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-04-07
Anticipated expiration: 2029-04-12

Abstract

The utility model discloses a pneumatic automatic door, which mainly comprises a door frame, door plates, a rotating frame and a control box, wherein the outer side wall of the door frame is fixedly connected with a wall body, the door plates which are bilaterally symmetrical are rotatably arranged on the inner side of the door frame, and the upper parts of the door plates are provided with through holes; the inside of the door plate is fixedly provided with a perspective window at the through hole, the inner wall of the door frame close to one side of the door plate is fixedly provided with a sealing strip, and the side wall of the sealing strip is tightly contacted with the side wall of the door plate; the rotating frame is fixedly installed on the side wall of the wall body and is located right above the door frame. The utility model has reasonable structural design, the device is driven by a mechanical pneumatic device to replace an electric device, the production cost is reduced, compared with electric equipment, the device can detect the service condition of the equipment visually through the abrasion state of a detection part, faults can be predicted in advance, the equipment is replaced in advance, the safety is high, and the practicability of the device is ensured; when dangerous situations occur, mechanical parts are less affected by the environment and have high stability.

Description

Pneumatic automatic door

Technical Field

The utility model relates to a fire door is prevented safely, specifically is a pneumatic automatically-controlled door.

Background

In industrial production, certain flammable and explosive workpieces or materials need to be operated, such as processing, packaging and the like. Due to the special properties of workpieces and materials, the processes are generally finished in an explosion-proof chamber in production, and the explosion-proof automatic door is applied to an explosion-proof environment and aims to prevent the potential safety hazard of explosion.

The existing safety door mostly adopts electric driving equipment to drive the opening and closing of the door, so that the cost is high, the electric equipment mostly adopts an integrated circuit board, the use condition is uncontrollable, and the use condition of the equipment cannot be visually detected; and when dangerous case takes place, the electrical equipment is easily influenced by the environment, easily breaks down under the condition of being heated, and the safety in utilization is poor.

Disclosure of Invention

An object of the utility model is to provide a pneumatic automatically-controlled door to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a pneumatic automatic door mainly comprises a door frame, door plates, a rotating frame and a control box, wherein the outer side wall of the door frame is fixedly connected with a wall body, the door plates which are bilaterally symmetrical are rotatably arranged on the inner side of the door frame, and through holes are formed in the upper parts of the door plates; the inside of the door plate is fixedly provided with a perspective window at the through hole, the inner wall of the door frame close to one side of the door plate is fixedly provided with a sealing strip, and the side wall of the sealing strip is tightly contacted with the side wall of the door plate; the revolving rack is fixedly installed on the side wall of the wall body, the revolving rack is located right above the door frame, the revolving rack is rotatably installed in the middle of the revolving rack, a cylinder is fixedly installed at the bottom end of the revolving rack, a connecting seat is rotatably installed at the end part of the cylinder, the connecting seat is fixedly connected with the side wall of the upper part of the door plate through a bolt, an indication board is fixedly installed on the side wall of the middle of the door plate, an assembly opening is formed in the wall body right above the door frame, a control box is fixedly installed at the position.

As a further aspect of the present invention: the control box mainly comprises an outer frame, wherein a ratchet pin is rotatably arranged in the middle of the inner side of the outer frame, a large cam is fixedly arranged on the outer side wall of the right part of the ratchet pin, a limiting rod is rotatably arranged at the front part of the inner side of the outer frame, a tension spring is rotatably arranged in the middle of the limiting rod, the bottom end of the tension spring is fixedly connected to the inner wall of the outer frame, a small cam is fixedly arranged on the outer wall of the middle part of the ratchet pin, a two-position five-way valve is fixedly arranged on the lower part of the inner side of the outer frame, an air inlet and two air outlets at the left end of the two-position five-way valve are fixedly provided with air pipes, a push rod is rotatably arranged at the top end of the two-position five-way valve, the end part of the, first stay cord upper portion fixed mounting has the second stay cord, frame lower part lateral wall fixed mounting has the lag of longitudinal symmetry, the second stay cord runs through the frame lateral wall via the lag, the lateral wall seted up behind the frame with pendulum rod complex opening, the inboard rear portion fixed mounting of frame have with pendulum rod complex spacer pin.

As a further aspect of the present invention: and the bottom ends of the first pull rope and the second pull rope are fixedly provided with counterweight balls.

As a further aspect of the present invention: the two-position five-way valve is communicated with the air cylinder and external air supply equipment through an air pipe, and the two-position five-way valve is a mechanical action two-position five-way valve.

As a further aspect of the present invention: the inner side of the door panel is filled with a protective layer.

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

the utility model has reasonable structural design, the device is driven by a mechanical pneumatic device to replace an electric device, the production cost is reduced, compared with electric equipment, the device can detect the service condition of the equipment visually through the abrasion state of a detection part, faults can be predicted in advance, the equipment is replaced in advance, the safety is high, and the practicability of the device is ensured; when dangerous situations occur, mechanical parts are less affected by the environment and have high stability.

Drawings

Fig. 1 is a schematic structural view of a pneumatic automatic door.

Fig. 2 is a schematic operation diagram of the pneumatic automatic door in a top view.

Fig. 3 is a structural schematic diagram of the upper half part of the pneumatic automatic door at a right angle.

Fig. 4 is a schematic structural diagram at D in fig. 2.

Fig. 5 is a schematic diagram of the position of the left view angle inside the control box in the pneumatic automatic door.

In the figure: the device comprises an outer frame 1, a door plate 2, a perspective window 3, an air cylinder 4, a door frame 5, a rotating frame 6, a connecting seat 7, a second pull rope 8, a balance weight ball 9, an indication board 10, a fireproof layer 11, a return spring 12, a swing rod 13, a first pull rope 14, a rotating shaft 15, a sealing strip 16, a limiting pin 17, a small cam 18, a large cam 19, a limiting rod 20, a tension spring 21, an air pipe 22, a two-position five-way valve 23, a protecting sleeve 24, a push rod 25 and a ratchet pin 26.

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.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, in an embodiment of the present invention, a pneumatic automatic door mainly includes a door frame 5, door panels 2, a rotating frame 6 and a control box, wherein the outer side wall of the door frame 5 is fixedly connected to a wall, the door panels 2 are rotatably installed inside the door frame 5, and are bilaterally symmetrical, and through holes are formed in the upper portions of the door panels 2; the perspective window 3 is fixedly arranged at the through hole on the inner side of the door panel 2, the sealing strip 16 is fixedly arranged on the inner wall of the door frame 5 close to one side of the door panel 2, and the side wall of the sealing strip 16 is tightly contacted with the side wall of the door panel 2; 6 fixed mounting of revolving rack is at the wall body lateral wall, 6 revolving racks are located directly over 5, 6 mid-rotation of revolving

rack installs pivot

15, and 15 bottom fixed mounting of pivot have

cylinder

4, and 4 tip rotations of cylinder are installed and are linked seat 7, and even seat 7 passes through 2 upper portion lateral walls of bolt fixed connection door plant, 2 mid-portion lateral wall fixed mounting of door plant has sign 10, the assembly opening has been seted up to the wall body directly over 5 door frames, and assembly opening department fixed mounting has the control box, and the control box is located directly over 5 door frames.

The control box mainly comprises an outer frame 1, a ratchet pin 26 is installed in the middle of the inner side of the outer frame 1 in a rotating mode, a large cam 19 is installed on the outer side wall of the right part of the ratchet pin 26 in a fixed mode, a limiting rod 20 is installed in the front of the inner side of the outer frame 1 in a rotating mode, a tension spring 21 is installed in the middle of the limiting rod 20 in a rotating mode, the bottom of the tension spring 21 is fixedly connected to the inner wall of the outer frame 1, a small cam 18 is fixedly installed on the outer wall of the middle of the ratchet pin 26 in a fixed mode, a two-position five-way valve 23 is fixedly installed on the lower portion of the inner side of the outer frame 1, air pipes 22 are fixedly installed on the air inlet and the two air outlets at the left end of the two-position five-way valve 23, a push rod 25 is installed on the top of the two, the utility model discloses a frame, including frame 13, pendulum rod 13, first stay cord 14 upper portion fixed mounting have a second stay cord 8, the lag 24 of symmetry around frame 1 lower part lateral wall fixed mounting, second stay cord 8 runs through frame 1 lateral wall via lag 24, frame 1 rear side wall seted up with pendulum rod 13 complex opening, frame 1 inboard rear portion fixed mounting have with pendulum rod 13 complex spacer pin 17.

And the bottom ends of the first pull rope 14 and the second pull rope 8 are fixedly provided with counterweight balls 9.

The two-position five-way valve 23 is communicated with the air cylinder 4 and external air supply equipment through an air pipe 22, and the two-position five-way valve 23 is a mechanical action two-position five-way valve.

The inner side of the door panel 2 is filled with a protective layer 11.

The utility model discloses a theory of operation is:

the utility model relates to a pneumatic automatic door, when using, install door plant 2 and door frame 5 on the wall body, when needing to open the door, through pulling first stay cord 14 or second stay cord 8 once, the spacer pin 17 limits the displacement range of pendulum rod 13, guarantee that each time pulls the stay cord and can drive little cam 18 and big cam 19 to rotate specific angle, promote push rod 25 to move a reciprocating process through little cam 18, two-position five-way valve 23 supplies gas for cylinder 4, cylinder 4 moves, drive door plant 2 to open, after passing through, pull first stay cord 14 or second stay cord 8 once more, little cam 18 promotes push rod 25 to move a reciprocating process once more, two-position five-way valve 23 accomplishes the air feed switching-over according to the cooperation of internals, supply gas for cylinder 4, cylinder 4 moves once more, drive door plant 2 to open and reset, when pulling pendulum rod 13, the pulling force is little, little cam 18 rotates the not in place, the tension of the tension spring 21 pushes the large cam 19 downwards through the limiting rod 20 to enable the large cam 19 to rotate to an accurate position, the tension is large, if the small cam 18 rotates, the tension of the tension spring 21 pushes the large cam 19 back through the limiting rod 20 and still enables the large cam 19 to rotate to the accurate position, the limiting rod 20 is matched with the large cam 18 to ensure that the rotating angle of the ratchet pin 26 is consistent every time, the small cam 18 and the large cam 19 can only rotate clockwise outside the ratchet shaft 26, the normal work of the device is ensured, after a pull rope is loosened, the reset spring 12 ensures that the swing rod 13 resets, the device is driven through a mechanical pneumatic device to replace an electric device, the production cost is reduced, compared with the electric device, the device can visually detect the use condition of the device through the abrasion state of a detection part, faults can be predicted in advance, the replacement is carried out in advance, the safety is high, and the; when dangerous situations occur, mechanical parts are less affected by the environment and have high stability.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A pneumatic automatic door mainly comprises a door frame (5), door plates (2), a rotating frame (6) and a control box, and is characterized in that the outer side wall of the door frame (5) is fixedly connected with a wall body, the door plates (2) which are bilaterally symmetrical are rotatably arranged on the inner side of the door frame (5), and through holes are formed in the upper parts of the door plates (2); the inside of the door plate (2) is fixedly provided with a perspective window (3) at the through hole, the inner wall of the door frame (5) close to one side of the door plate (2) is fixedly provided with a sealing strip (16), and the side wall of the sealing strip (16) is tightly contacted with the side wall of the door plate (2); revolving rack (6) fixed mounting is at the wall body lateral wall, revolving rack (6) are located directly over door frame (5), revolving rack (6) mid-rotation installs pivot (15), and pivot (15) bottom fixed mounting has cylinder (4), and cylinder (4) tip rotates and installs even seat (7), links seat (7) through bolt fixed connection door plant (2) upper portion lateral wall, door plant (2) middle part lateral wall fixed mounting has sign (10), the assembly opening has been seted up to the wall body directly over door frame (5), and assembly opening department fixed mounting has the control box, and the control box is located directly over door frame (5).

2. The pneumatic automatic door according to claim 1, wherein the control box mainly comprises an outer frame (1), a ratchet pin (26) is installed in the inner side of the outer frame (1) in a rotating mode, a large cam (19) is fixedly installed on the outer side wall of the right portion of the ratchet pin (26), a limiting rod (20) is installed in the inner side front portion of the outer frame (1) in a rotating mode, a tension spring (21) is installed in the middle of the limiting rod (20), the bottom end of the tension spring (21) is fixedly connected to the inner wall of the outer frame (1), a small cam (18) is fixedly installed on the outer side wall of the middle of the ratchet pin (26), a two-position five-way valve (23) is fixedly installed on the lower portion of the inner side of the outer frame (1), air pipes (22) are fixedly installed on an air inlet and two air outlets at the left end of the two-position, gyro wheel outer wall in close contact with cam (18) lateral wall, ratchet round pin (26) left part outer wall fixed mounting has pendulum rod (13), and reset spring (12) are installed in the rotation of pendulum rod (13) rear portion, and reset spring (12) front end fixed connection frame (1) upper portion inner wall, pendulum rod (13) rear end is run through and is installed first stay cord (14), and first stay cord (14) upper portion fixed mounting has second stay cord (8), lag (24) of symmetry around frame (1) lower part lateral wall fixed mounting, second stay cord (8) run through frame (1) lateral wall via lag (24), frame (1) rear wall seted up with pendulum rod (13) complex opening, frame (1) inboard rear portion fixed mounting have with pendulum rod (13) complex spacer pin (17).

3. Pneumatic automatic door according to claim 2, characterized in that the bottom ends of said first (14) and second (8) pull cords are each fixedly fitted with a counterweight ball (9).

4. Pneumatic automatic door according to claim 2, characterized in that the two-position five-way valve (23) is in communication with both the cylinder (4) and the external air supply through an air pipe (22), the two-position five-way valve (23) being a mechanical action two-position five-way valve.

5. Pneumatic automatic door according to claim 1, characterized in that the inner side of the door panel (2) is filled with a protective layer (11).