CN213898748U

CN213898748U - Subway steel door with built-in shutter structure

Info

Publication number: CN213898748U
Application number: CN202022370130.8U
Authority: CN
Inventors: 周喜望; 郑春杰; 卫军委
Original assignee: Zhongwo Door Industry Co Ltd
Current assignee: Zhongwo Door Industry Co Ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-08-06
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a subway steel door of built-in shutter structure, including steel door body, posting and runner, the intermediate position department of steel door body is embedded installs the posting, the hole groove has been seted up in the steel door body of posting avris, and the blade axis end of hole inslot portion is fixed with the gear to be fixed with the position sleeve on the inner wall in hole groove, movable mounting has the sawtooth pole in the position sleeve, and is fixed with the horizontal pole on the bottom outer wall of sawtooth pole to fixedly connected with elastic component between the lower extreme of sawtooth pole and the bottom in hole groove, the runner rotates and installs in the outer wall of steel door body, and the axis of runner runs through and sets up in the hole inslot. This subway steel door of built-in shutter structure can maintain the isolation and the sealed of steel door both sides environment, and ventilation when making things convenient for artificial control steel door to use maintains the unblocked of air current, and emergency down reaches the partition type fire prevention effect.

Description

Subway steel door with built-in shutter structure

Technical Field

The utility model relates to a subway steel door technical field specifically is a subway steel door of built-in shutter structure.

Background

The subway is a modern transportation tool, is usually arranged below a rail transit road surface, reduces the transportation pressure on the road surface, improves the transportation efficiency, needs to manually pass through an underground passage to move ahead in the use of the subway rail, improves the control of the subway transportation and the underground passage, can be installed and arranged with a steel door structure in the underground communication, and separates and cuts off the underground passage.

However, the existing subway steel door has the following problems when in use:

the application of subway steel door considers its holistic leakproofness and ventilation effect alone, maintains under its use ventilation effect, can not guarantee the fire prevention under the emergency when the steel door uses and keep apart effect and effective wall, causes stretching of the intensity of a fire when the conflagration condition appears easily, influences the security in the subway passageway. Aiming at the problems, innovative design is urgently needed on the basis of the original subway steel door.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subway steel door of built-in shutter structure to solve above-mentioned background art and propose current subway steel door's application and consider its holistic leakproofness and ventilation effect alone, keeping under its use ventilation effect, the fire prevention under the emergency when can not guarantee the steel door and use keeps apart the effect and effectively cuts off, causes stretching of the intensity of a fire when the conflagration condition appears easily, influences the problem of the security in the subway passageway.

In order to achieve the above object, the utility model provides a following technical scheme: a subway steel door with a built-in shutter structure comprises a steel door body, a positioning frame and a rotating wheel, wherein the positioning frame is installed at the middle position of the steel door body in an embedded mode, blades are installed on a rotating shaft in the positioning frame, first fireproof rubber strips are fixed on the inner wall of the top of the positioning frame and the inner portion of the bottom of the positioning frame, second fireproof rubber strips are installed at the edges of the top of the blades and the bottom of the blades in an embedded mode, a hole groove is formed in the steel door body on the side of the positioning frame, a gear is fixed on the middle shaft end of each blade in the hole groove, a positioning sleeve is fixed on the inner wall of the hole groove, a sawtooth rod is movably installed in each positioning sleeve, a cross rod is fixed on the outer wall of the bottom of the sawtooth rod, an elastic piece is fixedly connected between the lower end of the sawtooth rod and the bottom of the hole groove, the rotating wheel is installed on the outer wall of the steel door body, and the middle shaft of the rotating wheel penetrates through and is arranged in the hole groove, and a positioning seat is fixed on the outer wall of the steel door body below the rotating wheel, the bottom of the rotating wheel is connected with an elastic rubber strip, the elastic rubber strip and the positioning seat are connected with each other through a positioning hook, and a push rod is fixedly connected with a middle shaft end of the rotating wheel.

Preferably, the blades are uniformly distributed in the positioning frame at equal intervals, the blades are rotatably connected with the positioning frame, the outer walls of the left side and the right side of each blade are mutually attached to the inner wall of the positioning frame and connected, and the arrangement height of each blade is larger than the interval between the middle shafts of the adjacent 2 blades.

Preferably, the second fire-resistant rubber strip is arranged at the top and the bottom edge of the blade in an embedded fixed mounting mode, and the second fire-resistant rubber strip arranged at the top and the bottom of the blade is arranged in a staggered mode in the vertical plane.

Preferably, the locating sleeve is fixedly connected with the inner wall of the hole groove, a sliding lifting structure is arranged between the inner wall of the locating sleeve and the outer wall of the sawtooth rod in a fitting mode, and the outer wall of the sawtooth rod is connected with the gear in a meshing mode.

Preferably, the rotating wheel and the central axis of the sawtooth rod are distributed in a staggered mode, and the bottom of the outer wall of the sawtooth rod is fixedly connected with the cross rod in a vertically distributed mode.

Preferably, the push rod is arranged to be in an L-shaped structure, and the length of the long side of the L-shaped structure of the push rod is equal to the distance between the middle shaft of the rotating wheel and the sawtooth rod.

Compared with the prior art, the beneficial effects of the utility model are that: the subway steel door with the built-in shutter structure can maintain the isolation and sealing of the environments on two sides of the steel door, is convenient for the ventilation of the steel door during use under the manual control, maintains the smoothness of air flow, and achieves the partition type fireproof effect under the emergency condition;

1. the rotating wheel and the push rod are synchronously rotated only through the rotating installation effect of the rotating wheel, the effect that the sawtooth rod stably moves and is meshed and connected with the gear is achieved by utilizing the mutual laminating contact and pushing of the push rod and the cross rod and the laminating sliding connection of the sawtooth rod and the positioning sleeve, so that the rotating angle of the blade is adjusted, the through of gas on two sides of the steel door when the steel door is used is achieved by utilizing the opening effect of the blade, and the smoothness of the gas flow is maintained;

2. fixed connection effect at elasticity adhesive tape and location hook, spacing when making runner and push rod rotate, and the self fusing characteristic of elasticity adhesive tape, the elasticity deformation effect that resets at the elastic component is down, sawtooth pole up-and-down motion that resets during the conflagration, under the meshing connection effect with the gear, change the rotation angle of blade, utilize the collision contact each other between the blade, with the combined action of first fire-resistant rubber strip and second fire-resistant rubber strip, make the inside and outside both sides environment of steel door body keep apart sealing treatment, have good use and seal and cut off the fire prevention effect.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of the connection structure of the sawtooth rod and the gear of the present invention;

FIG. 3 is a schematic view of the connecting structure of the sawtooth rod and the positioning sleeve of the present invention;

FIG. 4 is a schematic view of the staggered arrangement structure of the sawtooth rod and the rotating wheel of the present invention;

fig. 5 is a schematic front structural view of the present invention.

In the figure: 1. a steel door body; 2. a positioning frame; 3. a blade; 4. a first refractory rubber strip; 5. a second refractory rubber strip; 6. a hole groove; 7. a gear; 8. a positioning sleeve; 9. a serrated bar; 10. a cross bar; 11. an elastic member; 12. a rotating wheel; 13. positioning seats; 14. an elastic rubber strip; 15. a positioning hook; 16. a push rod.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a subway steel door with a built-in shutter structure comprises a steel door body 1, a positioning frame 2, a blade 3, a first fireproof rubber strip 4, a second fireproof rubber strip 5, a hole groove 6, a gear 7, a positioning sleeve 8, a sawtooth rod 9, a cross rod 10, an elastic piece 11, a rotating wheel 12, a positioning seat 13, an elastic rubber strip 14, a positioning hook 15 and a push rod 16, wherein the positioning frame 2 is installed at the middle position of the steel door body 1 in an embedded mode, the blade 3 is installed on an inner rotating shaft of the positioning frame 2, the first fireproof rubber strip 4 is fixed on the inner wall of the top and the inner part of the bottom of the positioning frame 2, the second fireproof rubber strips 5 are installed at the edges of the top and the bottom of the blade 3 in an embedded mode, the hole groove 6 is formed in the steel door body 1 at the side of the positioning frame 2, the gear 7 is fixed on the middle shaft end of the blade 3 in the hole groove 6, and the positioning sleeve, there is sawtooth pole 9 in the 8 interior movable mounting of position sleeve, and be fixed with horizontal pole 10 on the bottom outer wall of sawtooth pole 9, and fixed connection elastic component 11 between the lower extreme of sawtooth pole 9 and the bottom of hole groove 6, runner 12 rotates and installs in the outer wall of steel door body 1, and the axis of runner 12 runs through and sets up in hole groove 6, and be fixed with positioning seat 13 on the 1 outer wall of steel door body of runner 12 below, and the bottom of runner 12 is connected with elastic adhesive tape 14, simultaneously through location hook 15 interconnect between elastic adhesive tape 14 and the positioning seat 13, the axis fixedly connected with push rod 16 of runner 12.

The blade 3 is equidistant evenly distributed in the locating frame 2, and rotates between blade 3 and the locating frame 2 and connect to the left and right sides outer wall of blade 3 is laminated each other with the inner wall of locating frame 2 and is connected the setting, and the setting height of blade 3 is greater than the interval between 3 axis of adjacent 2 blades, forms the shutter structure that equidistant distribution set up, the ventilation of using, and blade 3 can collide each other when rotating, forms to use sealedly.

Second fire-resistant rubber strip 5 is embedded fixed mounting setting in the top of blade 3 and bottom edge, and the second fire-resistant rubber strip 5 of installation on 3 tops of blade and the bottom sets up in the vertical plane dislocation, improves the leakproofness effect of 3 tip collisions of blade butt joints, has good leakproofness and cut off nature fire prevention effect when using.

Fixed connection between the inner wall of position sleeve 8 and hole groove 6, and set up to the slip elevation structure of laminating between the inner wall of position sleeve 8 and the outer wall of sawtooth pole 9 to the meshing is connected between the outer wall of sawtooth pole 9 and gear 7, and the elevating movement of the sawtooth pole 9 of being convenient for carries out the position and removes the change, makes the sawtooth pole 9 can overturn through taking blade 3 when elevating movement.

The runner 12 distributes with misplacing between the central axis of sawtooth pole 9, and sets up the fixed connection who distributes for perpendicular between the outer wall bottom of sawtooth pole 9 and the horizontal pole 10 for runner 12 and sawtooth pole 9 are both mutually noninterfere when using.

The push rod 16 is of an L-shaped structure, the length of the long side of the L-shaped push rod 16 is equal to the distance between the middle shaft of the rotating wheel 12 and the sawtooth rod 9, and the sawtooth rod 9 is lifted by utilizing the attachment and the pushing of the push rod 16 and the cross rod 10, so that power is provided for the lifting.

The working principle is as follows: when the subway steel door with the built-in shutter structure is used, firstly, as shown in fig. 1-4, the blades 3 are arranged at intervals between the positioning frames 2, the reserved holes between the blades 3 can maintain the air circulation in the environments at the inner side and the outer side of the steel door body 1, the phenomenon that the air at the two sides is blocked and stagnated due to the blocking in the use of the steel door body 1 is avoided, so that the air becomes dirty, through the rotating motion of the rotating wheel 12, the rotating wheel 12 drives the push rod 16 at the end part of the rotating shaft to rotate, so that the outer wall of the push rod 16 is mutually attached to the outer wall of the cross rod 10 on the sawtooth rod 9, the sawtooth rod 9 is pushed to lift in the steel door body 1, the sawtooth rod 9 is attached and slides in the positioning sleeve 8, the sawtooth rod 9 is mutually engaged with the gear 7, so that the gear 7 drives the blades 3 to rotate, the inclination angle of the blades 3 is changed, and the reserved holes between the blades 3 are adjusted by the distribution of the blades 3, the isolation or smoothness of the air inside and outside the steel door body 1 is adjusted, then the elastic rubber strip 14 at the bottom of the rotating wheel 12 is connected with the positioning hook 15 on the positioning seat 13, the rotating wheel 12 and the push rod 16 are positioned, the reserved gap between the blades 3 is opened at the moment, and the smoothness of the air is maintained;

according to fig. 1-2 and 5, under the conflagration condition, elasticity adhesive tape 14 is because of heat energy and flame disconnection, make the mounted position of runner 12 no longer fixed, the elastic action of elastic component 11 simultaneously, reach the elasticity of elastic component 11 and reset the deformation, thereby make sawtooth pole 9 upwards move, and the meshing of sawtooth pole 9 and gear 7, change the turned angle of blade 3, thereby make the mutual collision contact between the edge of blade 3, utilize the contact between mutual contact between first fire-resistant rubber strip 4 and the second fire-resistant rubber strip 5 and the contact between the adjacent second fire-resistant rubber strip 5, carry out the separation and the sealing of steel door body 1 internal and external environment, accomplish the fire prevention when using and cut off.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a subway steel door of built-in shutter structure, includes steel door body (1), locating frame (2) and runner (12), its characterized in that: a positioning frame (2) is installed at the middle position of the steel door body (1) in an embedded mode, blades (3) are installed on a rotating shaft in the positioning frame (2), a first fireproof rubber strip (4) is fixed on the inner wall of the top portion and the inner portion of the bottom portion of the positioning frame (2), a second fireproof rubber strip (5) is installed at the edge of the top portion and the edge of the bottom portion of each blade (3) in an embedded mode, a hole groove (6) is formed in the steel door body (1) on the side of the positioning frame (2), a gear (7) is fixed on the middle shaft end of each blade (3) in the hole groove (6), a positioning sleeve (8) is fixed on the inner wall of each hole groove (6), a sawtooth rod (9) is movably installed in each positioning sleeve (8), a cross rod (10) is fixed on the outer wall of the bottom portion of each sawtooth rod (9), and an elastic piece (11) is fixedly connected between the lower end of each sawtooth rod (9) and the bottom portion of each hole groove (6), the steel door is characterized in that the rotating wheel (12) is rotatably installed on the outer wall of the steel door body (1), a middle shaft of the rotating wheel (12) penetrates through the hole groove (6), a positioning seat (13) is fixed on the outer wall of the steel door body (1) below the rotating wheel (12), the bottom of the rotating wheel (12) is connected with an elastic rubber strip (14), meanwhile, the elastic rubber strip (14) and the positioning seat (13) are connected with each other through a positioning hook (15), and a push rod (16) is fixedly connected with the middle shaft of the rotating wheel (12).

2. A subway steel door with a built-in louver structure according to claim 1, wherein: the blades (3) are uniformly distributed in the positioning frame (2) at equal intervals, the blades (3) are rotatably connected with the positioning frame (2), the outer walls of the left side and the right side of each blade (3) are attached to the inner wall of the positioning frame (2) to be connected, and the arrangement height of each blade (3) is larger than the interval between the middle shafts of the adjacent 2 blades (3).

3. A subway steel door with a built-in louver structure according to claim 1, wherein: the second fireproof rubber strips (5) are fixedly installed at the top and the bottom edge of the blade (3) in an embedded mode, and the second fireproof rubber strips (5) installed at the top and the bottom of the blade (3) are arranged in a staggered mode in the vertical plane.

4. A subway steel door with a built-in louver structure according to claim 1, wherein: fixed connection between the inner wall of position sleeve (8) and hole groove (6), and set up the slip elevation structure of laminating between the inner wall of position sleeve (8) and the outer wall of sawtooth pole (9) to the meshing is connected between the outer wall of sawtooth pole (9) and gear (7).

5. A subway steel door with a built-in louver structure according to claim 1, wherein: the rotating wheel (12) and the central axis of the sawtooth rod (9) are distributed in a staggered mode, and the bottom of the outer wall of the sawtooth rod (9) is fixedly connected with the cross rod (10) in a vertically distributed mode.

6. A subway steel door with a built-in louver structure according to claim 1, wherein: the push rod (16) is arranged to be in an L-shaped structure, and the length of the long side of the L-shaped push rod (16) is equal to the distance between the middle shaft of the rotating wheel (12) and the sawtooth rod (9).