CN217652548U

CN217652548U - Reinforced fastening connecting piece for fireproof door

Info

Publication number: CN217652548U
Application number: CN202221652172.3U
Authority: CN
Inventors: 苏健; 崔德建; 王贤斌; 吕小燕
Original assignee: Changzhou Kangle Fire Fighting Equipment Manufacturing Co ltd
Current assignee: Changzhou Kangle Fire Fighting Equipment Manufacturing Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-25
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a reinforced fastening connecting piece for a fireproof door, which comprises a door body, a frame edge, a secondary hinge and a primary hinge, wherein the primary hinge is installed at the front end of the door body through screws, and the secondary hinge is installed on the frame edge on the left side of the door body through screws; further comprising: the right end of the sleeve rod is provided with a primary hinge in a sealing and nesting manner, the left end of the sleeve rod is provided with a secondary hinge in a sealing and nesting manner, the secondary hinge and the primary hinge are both provided with screw holes, and the top end of the sleeve rod is fixedly provided with an oil storage shell; the bottom end of the oil storage shell penetrates through the inside of the rotary rod through the oil conveying hole. This a back up type fastening connection spare for preventing fire door installs the hole, because female hinge is behind the laminating with son hinge for in the bolt on the female hinge can insert the hole, thereby reduced prevent fire door and sent the abnormal sound after closing, and still improved the firmness of hinge, son hinge and mother hinge are unsmooth cooperation setting moreover, thereby make to have reduced the clearance because of forming between the hinge after closing.

Description

Reinforced fastening connecting piece for fireproof door

Technical Field

The utility model relates to a prevent that fire door consolidates fastening connection technical field, specifically be a reinforcement type fastening connection spare for preventing fire door.

Background

The fireproof door can prevent fire from spreading in a fire disaster, and the survival probability of escape personnel can be improved through the fireproof door, so that the fireproof door is arranged in each large place or in a dense community and the like;

after the traditional fireproof door is closed, wind on a fire scene can blow the fireproof door, so that the fireproof door shakes to make a sound, the smoke prevention effect is poor, the hinge is easy to rust and the like under the condition of long-term non-use, the fireproof door is difficult to close, and the fireproof door cannot be quickly closed;

we have therefore proposed a reinforced fastening for fire doors which is able to solve the above problems very well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reinforcement type fastening connection spare for preventing fire door to prevent the easy rusty problem of fire door abnormal sound and hinge on solving the existing market that above-mentioned background art provided.

In order to achieve the above purpose, the utility model provides a following technical scheme: a reinforced fastening connecting piece for a fireproof door comprises a door body, a frame edge, a secondary hinge and a primary hinge, wherein the primary hinge is installed at the front end of the door body through a screw, the secondary hinge is installed on the frame edge on the left side of the door body through a screw, and a hole is formed in the right side of the frame edge on the left side of the door body;

further comprising:

the right end of the sleeve rod is provided with a primary hinge in a sealing and nesting manner, the left end of the sleeve rod is provided with a secondary hinge in a sealing and nesting manner, the secondary hinge and the primary hinge are both provided with screw holes, and the top end of the sleeve rod is fixedly provided with an oil storage shell;

the bottom end of the oil storage shell penetrates through the inside of the rotary rod through the oil conveying hole, and the top end of the oil conveying hole extends into the inside of the oil storage shell;

and the lubricating block is embedded and sleeved outside the rotary rod, and the outer side of the lubricating block is attached to the inner walls of the secondary hinge and the primary hinge.

Preferably, the middle part of the secondary hinge is hollow, the hollow size of the secondary hinge is larger than that of the primary hinge, and the screw holes in the secondary hinge are obliquely arranged left and right.

Through the structure, the range that the lubricating block can rub is wider.

Preferably, the rotating rods are provided with grooves at equal intervals, oil conveying holes penetrate through the upper inner walls of the grooves, and the oil conveying holes are arranged at equal angles by taking the rotating rods as circle centers.

Through the structure, lubricating oil can fall on the lubricating block through the oil conveying hole.

Preferably, the lubricating block is made of sponge materials and is arranged in an inclined nested manner.

Through the structure, the lubricating block can have a certain oil storage effect.

Preferably, the oil storage shell is hollow, and the top of the oil storage shell is connected with a cover through threads.

Through the structure, the lubricating oil can be filled into the oil storage shell.

Preferably, the width of sub-hinge is unanimous with female hinge, and female hinge pastes the setting with the bolt on the hole mutually, and the position of hole and female hinge use the swing arm to be the mirror image setting as the center.

Through the structure, the gaps of the sub-hinge and the main hinge are small after the sub-hinge and the main hinge are attached, and the bolt on the main hinge can be inserted into the hole.

Compared with the prior art, the beneficial effects of the utility model are that: this a reinforcement type fastening connection spare for preventing fire door, the abnormal sound after the reducing fire door that can be fine is closed has increased the fastness, and has avoided the hinge to rust, and its concrete content is as follows:

(1) The fireproof door is provided with the holes, so that the bolts on the primary hinge can be inserted into the holes after the primary hinge is attached to the secondary hinge, abnormal sound of the fireproof door after the fireproof door is closed is reduced, the firmness of the hinge is improved, and the secondary hinge and the primary hinge are arranged in a concave-convex matching manner, so that gaps formed between the hinges after the fireproof door is closed are reduced, and the sealing performance of the fireproof door is improved;

(2) Be provided with the oil storage shell, through the lubricating oil in the oil storage shell, then make lubricating oil through the oil transportation hole drippage on the lubricating block, then prevent fire door through the switch, thereby make and lubricate automatically.

Drawings

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

FIG. 2 is a schematic view of a front cross-section structure of the swing rod of the present invention;

FIG. 3 is an enlarged schematic view of A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the loop bar of the present invention;

fig. 5 is the utility model discloses the swing arm cuts open schematic diagram of structure.

In the figure: 1. a door body; 101. a frame edge; 102. a hole; 2. a sub-hinge; 3. a primary hinge; 4. a screw hole; 5. an oil storage shell; 6. rotating the rod; 7. a loop bar; 8. a lubricating block; 9. an oil transfer hole.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a reinforced fastening connecting piece for a fireproof door comprises a door body 1, a frame edge 101, a secondary hinge 2 and a primary hinge 3, wherein the primary hinge 3 is installed at the front end of the door body 1 through a screw, the secondary hinge 2 is installed on the frame edge 101 on the left side of the door body 1 through a screw, the widths of the secondary hinge 2 and the primary hinge 3 are consistent, the primary hinge 3 is attached to a pin on a hole 102, the position of the hole 102 and the primary hinge 3 are arranged in a mirror image mode by taking a rotating rod 6 as a center, a hole 102 is formed in the right side of the frame edge 101 on the left side of the door body 1, the hole 102 and the pin on the primary hinge 3 are attached to each other, the position of the hole 102 and the primary hinge 3 are arranged in a mirror image mode by taking the rotating rod 6 as the center, and referring to figure 1, the door body 1 is inwardly closed, so that the door body 1 is attached to the frame edge 101; further comprising: the right end of the loop bar 7 is hermetically nested with a main hinge 3, and then referring to fig. 2, a bolt on the main hinge 3 is inserted into the hole 102, so that the connection between the door body 1 and the main hinge 3 is firmer, abnormal sound generated after the fire door is closed is reduced, the left end of the loop bar 7 is hermetically nested with a sub-hinge 2, screw holes 4 are formed in the sub-hinge 2 and the main hinge 3, an oil storage shell 5 is fixedly arranged at the top end of the loop bar 7, the middle part of the sub-hinge 2 is arranged in a hollow shape, the hollow size of the sub-hinge is larger than that of the main hinge 3, and the screw holes 4 in the sub-hinge 2 are obliquely arranged from left to right; the oil storage shell 5 is hollow, the top of the oil storage shell 5 is connected with a cover through threads, the bottom end of the oil storage shell penetrates through the inside of a rotary rod 6 through an oil conveying hole 9, grooves are formed in the rotary rod 6 at equal intervals, the oil conveying hole 9 penetrates through the upper inner wall of each groove, the oil conveying holes 9 are arranged at equal angles by taking the rotary rod 6 as the circle center, and the top end of each oil conveying hole 9 extends into the oil storage shell 5; lubricating block 8, the nested setting is in the outside of swing arm 6, lubricating block 8 is the sponge material, and it is the nested setting of tilting, and the laminating of the outside of lubricating block 8 is at the inner wall of son hinge 2 and female hinge 3, refer to fig. 3 to 5, lubricating oil in the oil storage shell 5 passes through oil delivery hole 9 drippage in swing arm 6 on lubricating block 8, then through the rotation between son hinge 2 and the female hinge 3, thereby make lubricating block 8 on the swing arm 6 can produce the friction with the inner wall between son hinge 2 and the female hinge 3, thereby make lubricating oil can rub on the inner wall of son hinge 2 and female hinge 3, thereby make when closing the door body 1 more quick, in the same direction as the cunning.

The working principle is as follows: when the reinforced fastening connector for the fireproof door is used, firstly, referring to fig. 1, the door body 1 is closed inwards, so that the door body 1 is attached to the frame edge 101, then referring to fig. 2, the bolt on the primary hinge 3 is inserted into the hole 102, so that the connection between the door body 1 and the primary hinge 3 is firmer, abnormal sound generated after the fireproof door is closed is reduced, and then the primary hinge 3 is nested in the secondary hinge 2, so that the gap between the door body 1 and the frame edge 101 is reduced;

referring to fig. 3 to 5, the lubricant in the oil storage case 5 drops on the lubricant block 8 through the oil delivery hole 9 in the rotary rod 6, and then the lubricant block 8 on the rotary rod 6 can rub the inner wall between the sub-hinge 2 and the main hinge 3 through the rotation between the sub-hinge 2 and the main hinge 3, so that the lubricant can rub the inner walls of the sub-hinge 2 and the main hinge 3, thereby enabling the door closing body 1 to be faster and smoother;

those not described in detail in this specification are within the skill of the art.

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. A reinforced fastening connecting piece for a fireproof door comprises a door body (1), a frame edge (101), a sub-hinge (2) and a main hinge (3), wherein the main hinge (3) is installed at the front end of the door body (1) through screws, the sub-hinge (2) is installed on the frame edge (101) on the left side of the door body (1) through screws, and a hole (102) is formed in the right side of the frame edge (101) on the left side of the door body (1);

it is characterized by also comprising:

the right end of the sleeve rod (7) is provided with a primary hinge (3) in a sealing and nesting manner, the left end of the sleeve rod (7) is provided with a secondary hinge (2) in a sealing and nesting manner, the secondary hinge (2) and the primary hinge (3) are both provided with screw holes (4), and the top end of the sleeve rod (7) is fixedly provided with an oil storage shell (5);

the bottom end of the oil storage shell (5) penetrates through the inside of the rotary rod (6) through the oil conveying hole (9), and the top end of the oil conveying hole (9) extends into the inside of the oil storage shell (5);

and the lubricating block (8) is embedded and sleeved outside the rotary rod (6), and the outer side of the lubricating block (8) is attached to the inner walls of the secondary hinge (2) and the primary hinge (3).

2. A reinforced fastener connection for fire rated doors as claimed in claim 1, wherein: the middle part of the sub-hinge (2) is arranged in a hollow shape, the hollow size of the sub-hinge is larger than that of the main hinge (3), and the screw holes (4) in the sub-hinge (2) are arranged in a left-right inclined mode.

3. A reinforced fastener connection for fire rated doors as claimed in claim 1, wherein: the rotary rod (6) is provided with grooves at equal intervals, the upper inner wall of each groove is provided with an oil conveying hole (9) in a penetrating mode, and the oil conveying holes (9) are arranged at equal angles by taking the rotary rod (6) as the circle center.

4. A reinforced fastening connection for fire rated doors, as claimed in claim 1, characterized in that: the lubricating block (8) is made of sponge materials and is arranged in an inclined nested manner.

5. A reinforced fastener connection for fire rated doors as claimed in claim 1, wherein: the inside of the oil storage shell (5) is hollow, and the top of the oil storage shell is connected with a cover through threads.

6. A reinforced fastening connection for fire rated doors, as claimed in claim 2, characterized in that: the width of the secondary hinge (2) is consistent with that of the primary hinge (3), the primary hinge (3) is attached to a pin on the hole (102), and the position of the hole (102) and the position of the primary hinge (3) are arranged in a mirror image mode by taking the rotating rod (6) as the center.