CN210067890U

CN210067890U - Fire-proof door

Info

Publication number: CN210067890U
Application number: CN201920551733.2U
Authority: CN
Inventors: 刘小强
Original assignee: Ji'an Meilinte Door Co Ltd
Current assignee: Ji'an Meilinte Door Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-02-14
Anticipated expiration: 2029-04-22

Abstract

The utility model discloses a fireproof door, including the door frame, the installation pole has been welded respectively to the top, the bottom and the left and right sides of door frame, and the left wall body fixed mounting of door frame inner circle has three first support column, and the first spliced pole of one end fixedly connected with of door frame wall body is kept away from to first support column, and the wall body fixed mounting on door frame inner circle right side has five second support columns, and the one end fixedly connected with second spliced pole of door frame wall body is kept away from to the second support column, the spacing post of one end fixedly connected with at the second spliced pole back, and the middle part of spacing post inner chamber is. A prevent fire door, remove at first moving chute inside through first spliced pole, the second spliced pole removes in the second moving chute and forms multidirectional injecing to the mode separation door frame that pushes down with prevent fire door, avoid the door frame and prevent producing the gap between the fire door, improved the fire resistance and the high seal performance of preventing fire door.

Description

Fire-proof door

Technical Field

The utility model relates to a prevent fire door field, in particular to prevent fire door.

Background

The main usage of the fireproof door aims at the effects of evacuating people and preventing the fire from continuing to spread in sudden fire, the existing fireproof door adopts metal as the main material of the fireproof door, the quality is heavy, and a great deal of inconvenience is brought in the installation and use processes. Chinese patent No. CN108590468A provides a fire door convenient to installation, stable in structure, simple to operate has fine thermal-insulated effect, and the effect that gives sound insulation is strong, and fire-proof capability is strong, has very high spreading value, and wherein the weak point lies in that the door frame of fire door passes through bearing formula hinge with the door leaf and links to each other, and the seal structure of setting is complicated simultaneously difficult for keeping the gas tightness under high temperature, can not satisfy fire door's fire resistance and high leakproofness's requirement effectively.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a prevent fire door can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fireproof door comprises a door frame, wherein installation rods are welded at the top, the bottom and the left and right sides of the door frame respectively, three first support columns are fixedly mounted on the left wall body of the door frame inner ring, one ends of the first support columns, far away from the door frame wall body, are fixedly connected with first connecting columns, five second support columns are fixedly mounted on the wall body at the right side of the door frame inner ring, one ends of the second support columns, far away from the door frame wall body, are fixedly connected with second connecting columns, one ends of the back surfaces of the second connecting columns are fixedly connected with limiting columns, a rotating shaft is arranged in the middle of an inner cavity of the limiting columns, bearings are symmetrically arranged in the middle of the top and the bottom of the limiting columns, bearing discs are symmetrically and fixedly connected with two ends of the top and the bottom of the rotating shaft, mounting grooves are symmetrically, rotate the positive rotation that the base kept away from axis of rotation side and be connected with the ball, the another side fixedly connected with negative pressure spring that rotates the base, the centre of door frame inner circle is provided with prevents fire door, prevent the positive bilateral symmetry fixed mounting of fire door and have the handle, prevent that the positive left side of fire door has seted up three first shifting chute, the front of first shifting chute inner chamber is provided with first spacing, the positive fixedly connected with cushion socket of first shifting chute back inner wall, prevent that the positive right side of fire door has seted up five second shifting chutes, the front of second shifting chute inner chamber is provided with the spacing of second, the track groove has been seted up to the middle part symmetry of second shifting chute inner wall top and bottom.

Preferably, the one end that the bearing is close to spacing post runs through the outer wall of spacing post and extends to the inside of spacing post, the bearing closely laminates and fixed connection with the wall body of spacing post, the both ends of axis of rotation run through two bearings respectively and extend to the outside of spacing top of the post and bottom, the axis of rotation closely laminates and fixed connection with the wall body of bearing.

Preferably, the front, the back and the left and right sides of the rotating base are attached to the inner wall of the mounting groove, one end of the negative pressure spring, which is far away from the rotating base, is fixedly connected to the inner wall of the mounting groove, and one end of the ball, which is far away from the rotating base, extends to the outside of the mounting groove through the opening of the mounting groove.

Preferably, the front, the back and the left and right sides of the fireproof door are attached to the inner ring wall body of the door frame, the first support column and the three first moving grooves are correspondingly arranged, and the second support column is correspondingly arranged with the five second moving grooves respectively.

Preferably, the top, the bottom and the left and right sides of the first shifting chute inner wall of top, bottom and the left and right sides laminating of first spacing and with the inside fixed connection of first shifting chute, the one end at the first spliced pole back runs through the inside that corresponds first spacing and extend to first shifting chute, the top, the bottom and the left and right sides of the first spacing wall body of top, bottom and the left and right sides laminating of first spliced pole, the inside that the positive outer wall of cushion socket and extend to the cushion socket wall body is run through to the one end at the first spliced pole back, the one end of first spliced pole closely laminates with the wall body of cushion socket.

Preferably, the top, the bottom and the left and right sides of the spacing strip of second shift groove inner wall of second laminating and with the inside fixed connection of second shift groove, the one end at the second spliced pole back runs through the inside that the spacing strip of second that corresponds and extend to the second shift groove, the top, the bottom and the left and right sides of the spacing strip wall body of second laminating of top, bottom and the left and right sides of second spliced pole, the top, the bottom and the left and right sides of the spacing column of top, bottom and the left and right sides laminating second shift groove inner wall of axis of rotation, the both ends of axis of rotation extend to the inside in two track grooves respectively, the inner wall of the one end laminating track groove tank bottom of ball.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, through the matching work of the arranged door frame, the first supporting column, the first connecting column, the second supporting column, the second connecting column, the limiting column, the fireproof door, the first moving groove, the first limiting strip, the buffer seat, the second moving groove, the second limiting strip and the handle, the fireproof performance and the high sealing performance of the fireproof door are improved through the movement of the first connecting column in the first moving groove and the movement of the second connecting column in the second moving groove to form multidirectional limitation, the door frame and the fireproof door are separated in a flat push way, a gap is avoided between the door frame and the fireproof door, the gravity of the fireproof door supported by the limiting column is shared through the matching work of the arranged bearing, the bearing disc, the rotating base, the negative pressure spring, the ball and the track groove, the gravity of the fireproof door can be supported by the limiting column, the antifriction effect is provided, the anti-abrasion effect can be rotated in the track groove at the same time of bearing of the limiting column, after the fireproof door is opened, the built-in rotary structure design can also avoid the damage of the rotary structure by high temperature for providing convenience for the same line.

Drawings

Fig. 1 is a schematic structural view of a front view of the present invention;

figure 2 is a schematic structural view of a cross-sectional view of the fire door of the present invention;

fig. 3 is a schematic structural view of a cross-sectional view of the limiting column of the present invention;

fig. 4 is an enlarged view of a place a in the soil 3 of the present invention.

In the figure: 1. a door frame; 2. mounting a rod; 3. a first support column; 4. a first connecting column; 5. a second support column; 6. a second connecting column; 7. a limiting column; 8. a rotating shaft; 9. a bearing; 10. a force bearing disc; 11. rotating the base; 12. a negative pressure spring; 13. a ball bearing; 14. a fire door; 15. a first moving slot; 16. a first limit strip; 17. a buffer seat; 18. a second moving slot; 19. a second limit strip; 20. a track groove; 21. a handle; 22. and (4) mounting the groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a fire door comprises a door frame 1, wherein mounting rods 2 are respectively welded on the top, bottom and left and right sides of the door frame 1, three first support columns 3 are fixedly mounted on the wall body on the left side of the inner ring of the door frame 1, one end of each first support column 3 far away from the wall body of the door frame 1 is fixedly connected with a first connecting column 4, five second support columns 5 are fixedly mounted on the wall body on the right side of the inner ring of the door frame 1, one end of each second support column 5 far away from the wall body of the door frame 1 is fixedly connected with a second connecting column 6, one end of the back of each second connecting column 6 is fixedly connected with a limiting column 7, a rotating shaft 8 is arranged in the middle of the inner cavity of each limiting column 7, bearings 9 are symmetrically arranged in the centers of the top and the bottom of each limiting column 7, one end of each bearing 9, which is close to, the two ends of the rotating shaft 8 respectively penetrate through the two bearings 9 and extend to the outside of the top and the bottom of the limiting column 7, the rotating shaft 8 is tightly attached and fixedly connected with the wall body of the bearings 9, the two ends of the top and the bottom of the rotating shaft 8 are symmetrically and fixedly connected with the force bearing discs 10, the left side and the right side of one side surface of the rotating shaft 8, far away from the force bearing discs 10, are symmetrically provided with mounting grooves 22, the middle part of the inner cavity of the mounting groove 22 is provided with a rotating base 11, the front surface of one side surface of the rotating base 11, far away from the rotating shaft 8, is rotatably connected with a ball 13, the other side surface of the rotating base 11 is fixedly, the back and the left and right sides, the one end fixed connection that negative pressure spring 12 kept away from rotating base 11 is on the inner wall of mounting groove 22, and the one end that ball 13 kept away from rotating base 11 extends to the outside of mounting groove 22 by the opening of mounting groove 22.

A fireproof door 14 is arranged in the center of an inner ring of a doorframe 1, handles 21 are symmetrically and fixedly arranged on the left side and the right side of the center of the front surface of the fireproof door 14, three first moving grooves 15 are arranged on the left side of the front surface of the fireproof door 14, a first limit strip 16 is arranged on the front surface of an inner cavity of the first moving groove 15, a buffer seat 17 is fixedly connected in the center of the inner wall of the back surface of the first moving groove 15, five second moving grooves 18 are arranged on the right side of the front surface of the fireproof door 14, a second limit strip 19 is arranged on the front surface of the inner cavity of the second moving groove 18, track grooves 20 are symmetrically arranged in the middle of the top and the bottom of the inner wall of the second moving groove 18, the back, the left side and the right side, three first supporting columns 3 are arranged corresponding to the three first moving grooves 15, and five second supporting columns 5 are arranged corresponding to the five second moving grooves 18 respectively.

The top, the bottom and the left and right sides of the first spacing strip 16 are attached to the top, the bottom and the left and right sides of the inner wall of the first moving groove 15 and fixedly connected with the inside of the first moving groove 15, one end of the back of the first connecting column 4 penetrates through the corresponding first spacing strip 16 and extends to the inside of the first moving groove 15, the top, the bottom and the left and right sides of the first connecting column 4 are attached to the top, the bottom and the left and right sides of the wall body of the first spacing strip 16, one end of the back of the first connecting column 4 penetrates through the outer wall of the front of the buffer seat 17 and extends to the inside of the wall body of the buffer seat 17, one end of the back of the first connecting column 4 is closely attached to the wall body of the buffer seat 17, the top, the bottom and the left and right sides of the second spacing strip 19 are attached to the top, the bottom and the left and right sides of the inner wall of the second moving groove 18 and fixedly connected with the inside of the second moving groove 18, one end of the back of, the top, the bottom and the left and the right sides of the second connecting column 6 are attached to the top, the bottom and the left and the right sides of the wall body of the second limiting strip 19, the top, the bottom and the left and the right sides of the limiting column 7 are attached to the top, the bottom and the left and the right sides of the inner wall of the second moving groove 18, two ends of the rotating shaft 8 respectively extend to the insides of two track grooves 20, one end of each ball 13 is attached to the inner wall of the bottom of each track groove 20, and through the matching work of the arranged door frame 1, the first supporting column 3, the first connecting column 4, the second supporting column 5, the second connecting column 6, the limiting column 7, the fireproof door 14, the first moving groove 15, the first limiting strip 16, the buffer seat 17, the second moving groove 18, the second limiting strip 19 and the handle 21, the first connecting column 4 moves inside the first moving groove 15 and the second connecting column 6 moves in the second moving groove 18 to form multidirectional limitation, the door frame 1, avoid producing the gap between door frame 1 and the fire door 14, the fire resistance and the high leakproofness ability of fire door 14 have been improved, bearing 9 through setting up, bearing dish 10, rotating base 11, negative pressure spring 12, ball 13, the cooperation work of track groove 20, share the fire door 14 gravity that spacing post 7 was accepted, and provide the antifriction effect, can rotate in the inside of track groove 20 in spacing post 7 bearing, after fire door 14 is opened in the flat push, can rotate and open fire door 14, facilitate for the same line, built-in revolution mechanic design also can avoid it to be damaged by high temperature.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A fire door, includes door frame (1), its characterized in that: the installation rod (2) is welded at the top, the bottom and the left and right sides of the door frame (1) respectively, three first support columns (3) are fixedly installed on the left wall body of the inner ring of the door frame (1), one end of each first support column (3) far away from the wall body of the door frame (1) is fixedly connected with a first connecting column (4), five second support columns (5) are fixedly installed on the wall body on the right side of the inner ring of the door frame (1), one end of each second support column (5) far away from the wall body of the door frame (1) is fixedly connected with a second connecting column (6), one end of the back of each second connecting column (6) is fixedly connected with a limiting column (7), a rotating shaft (8) is arranged in the middle of the inner cavity of the limiting column (7), bearings (9) are symmetrically arranged in the top and the bottom of the limiting column (7), and bearing discs (, bearing dish (10) keep away from the left and right sides symmetry of axis of rotation (8) side and seted up mounting groove (22), the middle part of mounting groove (22) inner chamber is provided with rotates base (11), it rotates to be connected with ball (13) to rotate the front that axis of rotation (8) side was kept away from in base (11), another side fixedly connected with negative pressure spring (12) of rotating base (11), the centre of door frame (1) inner circle is provided with prevents fire door (14), prevent fire door (14) positive centre left and right sides symmetry fixed mounting have handle (21), prevent fire door (14) positive left side and seted up three first shifting chute (15), the front of first shifting chute (15) inner chamber is provided with first spacing strip (16), the centre fixedly connected with cushion socket (17) of first shifting chute (15) back inner wall, prevent fire door (14) positive right side and seted up five second shifting chutes (18), the front of the inner cavity of the second movable groove (18) is provided with a second limiting strip (19), and the middle parts of the top and the bottom of the inner wall of the second movable groove (18) are symmetrically provided with track grooves (20).

2. A fire rated door as claimed in claim 1, further comprising: bearing (9) are close to the one end of spacing post (7) and run through the outer wall of spacing post (7) and extend to the inside of spacing post (7), bearing (9) and the close laminating of the wall body of spacing post (7) and fixed connection, the both ends of axis of rotation (8) run through two bearing (9) respectively and extend to the outside of spacing post (7) top and bottom, axis of rotation (8) and the close laminating of the wall body of bearing (9) and fixed connection.

3. A fire rated door as claimed in claim 1, further comprising: rotate front, the back and the left and right sides of the front of base (11) and left and right sides laminating mounting groove (22) inner wall, the one end fixed connection that rotates base (11) is kept away from in negative pressure spring (12) is on the inner wall of mounting groove (22), the outside that the one end that rotates base (11) was extended to mounting groove (22) by the opening of mounting groove (22) is kept away from in ball (13).

4. A fire rated door as claimed in claim 1, further comprising: prevent the front, the back and the left and right sides of fire door (14) and laminate door frame (1) inner circle wall body's front, back and left and right sides, it is three first support column (3) correspond the setting with three first shifting chute (15), five second support column (5) correspond the setting with five second shifting chutes (18) respectively.

5. A fire rated door as claimed in claim 1, further comprising: the top, the bottom and the left and right sides of first removal groove (15) inner wall of the laminating of the top, the bottom and the left and right sides of first spacing strip (16) and with the inside fixed connection of first removal groove (15), the one end at the first spliced pole (4) back runs through corresponding first spacing strip (16) and extends to the inside of first removal groove (15), the top, the bottom and the left and right sides of the first spacing strip (16) wall body of laminating of top, bottom and left and right sides of first spliced pole (4), the one end at the first spliced pole (4) back runs through the positive outer wall of buffing pad (17) and extends to the inside of buffing pad (17) wall body, the one end of first spliced pole (4) closely laminates with the wall body of buffing pad (17).

6. A fire rated door as claimed in claim 1, further comprising: the top, the bottom and the left and right sides of the second spacing strip (19) are attached to the top, the bottom and the left and right sides of the inner wall of the second moving groove (18) and are fixedly connected with the inside of the second moving groove (18), one end of the back of the second connecting column (6) runs through the corresponding second spacing strip (19) and extends to the inside of the second moving groove (18), the top, the bottom and the left and right sides of the wall body of the second spacing strip (19) are attached to the top, the bottom and the left and right sides of the inner wall of the second moving groove (18) are attached to the top, the bottom and the left and right sides of the spacing column (7), the two ends of the rotating shaft (8) extend to the inside of the two rail grooves (20) respectively, and the inner wall of the groove bottom of the one end.