Fireproof lock structure of steel heat insulation fireproof door

Abstract

The utility model provides a fireproof lock structure of a steel heat insulation fireproof door, which relates to the technical field of fireproof door accessories and comprises a fireproof door component and a fireproof lock component, the fireproof lock component is arranged on the fireproof door component, a lubricating component and a sealing component are arranged on the fireproof door component, the fireproof door component comprises a steel door and a door frame, and the steel door and the door frame are arranged on the fireproof door component. The fireproof lock assembly comprises a lock body, the lubricating assembly comprises a storage tank, and the storage tank is arranged on the inner side of the steel door. Lubricating liquid in the storage tank is pumped through the micro pump machine, and the lubricating liquid passes through the conveying pipe and then is sprayed out through the spray head, so that the spring bolt can be lubricated, the friction force of the spring bolt in the stretching and retracting process is reduced, the convenience and the flexibility during unlocking are further improved, the inconvenience in use caused by locking of the spring bolt is avoided, and the service life of the spring bolt is prolonged. Meanwhile, the abrasion degree of the surface of the spring bolt is effectively reduced, the frequency of replacing the lock due to the fault of the spring bolt is reduced, the maintenance cost is reduced, and the service life is further prolonged.

Description

Technical Field

[0001] This utility model relates to the technical field of fire door accessories, and in particular to a fireproof lock structure for a steel insulated fire door. Background Technology

[0002] With the continuous improvement of building safety standards, steel insulated fire doors are widely used in various types of buildings. As a key component of fire doors, fire-resistant locks directly affect the fire-resistant insulation effect of fire doors in fires and the safety of personnel evacuation.

[0003] In the prior art, such as the patent application CN208534216U entitled "A Steel Insulated Fireproof Door Lock Structure", a door frame is included, a door panel connected to the door frame by hinges, and a door lock connected to the door panel for cooperating with the door frame to open or close the door panel; the door lock includes a lock cylinder connected to the door panel by an inner lock handle panel and an outer lock handle panel, and a key that cooperates with the lock cylinder through a keyhole on the outer lock handle panel; the lock cylinder includes the structure in the prior art, as well as a locking pin group and a keyhole for cooperating with a pentagonal key; the key is a pentagonal structure; when the lock cylinder is opened without the matching key, the locking pins will be touched, causing the locking pins to move towards the inner core shell and get stuck between the inner core shell and the inner core, locking the inner core shell and the inner core. The locking pins also prevent foreign objects from being further inserted and damaging the internal structure of the inner core. Moreover, the structure of the pentagonal key is difficult to imitate, technically difficult to open, and has higher security and reliability.

[0004] In the long-term use of existing steel insulated fireproof doors and fireproof locks, frequent mechanical movement increases the friction between the lock tongue and various components, leading to accelerated wear of the lock tongue, which in turn shortens the service life of the lock and can easily cause the lock to malfunction. Utility Model Content

[0005] The purpose of this utility model is to solve the problem that in the existing technology, the frequent mechanical movement of the steel insulated fireproof door fireproof lock structure during long-term use increases the friction between the lock tongue and various components, leading to accelerated wear of the lock tongue, which in turn shortens the service life of the lock and easily causes the lock to malfunction. Therefore, a steel insulated fireproof door fireproof lock structure is proposed.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a steel insulated fireproof door fireproof lock structure, comprising a fireproof door assembly and a fireproof lock assembly, wherein the fireproof lock assembly is disposed on the fireproof door assembly, and the fireproof door assembly is provided with a lubrication assembly and a sealing assembly, the fireproof door assembly includes a steel door and a door frame, the fireproof lock assembly includes a lock body, the lubrication assembly includes a storage tank, the storage tank is disposed on the inside of the steel door, a micro pump is installed on the top of the storage tank, a delivery pipe is connected to the side of the micro pump, and a nozzle is connected to one end of the delivery pipe.

[0007] Preferably, the sealing assembly includes a sealing frame disposed inside the door frame, an installation groove is provided on the inner side of the sealing frame, a sealing strip is installed inside the installation groove, and multiple limiting rods are distributed on the side of the installation groove.

[0008] Preferably, the interior of the steel door is provided with a rock wool board, and the sides of the rock wool board are provided with a fireproof board.

[0009] Preferably, the fireproof board has a ceramic fiber board on its side, and the ceramic fiber board has a heat insulation board on its side.

[0010] Preferably, a baffle is installed on the inner side of the door frame, and the sealing frame is disposed on the side of the baffle.

[0011] Preferably, the lock body is provided with a bolt and a safety bolt, and the safety bolt is located below the bolt.

[0012] Preferably, the top of the storage tank is connected to a feed inlet, and the nozzle is positioned above the latch.

[0013] Preferably, a handle is installed on the side of the lock body.

[0014] Preferably, the side of the steel door is connected to the sealing frame.

[0015] Preferably, the lock body is provided with mounting bolts and keyholes.

[0016] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0017] 1. In this utility model, the inlet facilitates the injection of lubricating fluid into the storage tank. A micro pump extracts the lubricating fluid from the storage tank, which is then conveyed through a delivery pipe and sprayed out through a nozzle. This lubricates the lock tongue, reduces friction during extension and retraction, and improves the convenience and flexibility of unlocking. It also avoids inconvenience caused by lock tongue jamming, effectively reduces wear on the lock tongue surface, decreases the frequency of lock replacement due to lock tongue failure, lowers maintenance costs, and ultimately increases service life.

[0018] 2. In this utility model, a sealing frame is set inside the door frame, and the sealing strip is installed inside the installation groove. Then, a limiting rod is used to limit the sealing strip, which ensures the stability and reliability of the sealing strip installation and facilitates the maintenance and replacement of the sealing strip, improving the convenience of operation. At the same time, the sealing strip helps to provide a sealing effect, effectively preventing smoke from leaking through the gap between the steel door and the door frame, further improving the fire resistance performance, and also helps to reduce heat transfer and improve the heat insulation performance. Attached Figure Description

[0019] Figure 1 This utility model provides a three-dimensional structural diagram of a fireproof lock for a steel insulated fireproof door;

[0020] Figure 2 This utility model presents another structural schematic diagram of a steel insulated fireproof door fireproof lock structure;

[0021] Figure 3 This utility model provides a partially exploded structural diagram of a steel insulated fireproof door fireproof lock structure;

[0022] Figure 4 This utility model provides a partial structural diagram of a steel insulated fireproof door fireproof lock structure;

[0023] Figure 5 This utility model provides an enlarged structural diagram of point A of a steel insulated fireproof door fireproof lock structure;

[0024] Figure 6 This utility model presents a partially exploded structural diagram of a steel insulated fireproof door fireproof lock structure.

[0025] Legend: 1. Fire door assembly; 101. Steel door; 102. Door frame; 103. Stop bar; 104. Rock wool board; 105. Fireproof board; 106. Ceramic fiber board; 107. Heat insulation board; 2. Fireproof lock assembly; 201. Lock body; 202. Lock tongue; 203. Safety bolt; 204. Handle; 3. Lubrication assembly; 301. Storage tank; 302. Micro pump; 303. Feed inlet; 304. Conveying pipe; 305. Nozzle; 4. Sealing assembly; 401. Sealing frame; 402. Mounting groove; 403. Sealing strip; 404. Limiting rod. Detailed Implementation

[0026] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0028] Example 1: As Figures 1-6 As shown, this utility model provides a technical solution: a fireproof lock structure for a steel insulated fireproof door, including a fireproof door assembly 1 and a fireproof lock assembly 2. The fireproof lock assembly 2 is disposed on the fireproof door assembly 1. The fireproof door assembly 1 is provided with a lubrication assembly 3 and a sealing assembly 4. The fireproof door assembly 1 includes a steel door 101 and a door frame 102. The fireproof lock assembly 2 includes a lock body 201. The lubrication assembly 3 includes a storage tank 301, which is disposed inside the steel door 101. A micro pump 302 is installed on the top of the storage tank 301. A delivery pipe 304 is connected to the side of the micro pump 302, and a nozzle 305 is connected to one end of the delivery pipe 304. The interior of the steel door 101 is equipped with a rock wool board 104. The side of the rock wool board 104 is equipped with a fireproof board 105. The side of the fireproof board 105 is equipped with a ceramic fiber board 106. The side of the ceramic fiber board 106 is equipped with a heat insulation board 107. The lock body 201 is equipped with a lock tongue 202 and a safety bolt 203. The safety bolt 203 is located below the lock tongue 202. The top of the storage tank 301 is connected to a feed inlet 303. The nozzle 305 is located above the lock tongue 202. The side of the lock body 201 is equipped with a handle 204. The side of the steel door 101 is connected to the sealing frame 401. The lock body 201 is equipped with mounting bolts and keyholes.

[0029] In this embodiment, the inlet 303 facilitates the injection of lubricating fluid into the storage tank 301. A micro pump 302 draws the lubricating fluid from the storage tank 301. The lubricating fluid then passes through the delivery pipe 304 and is sprayed out through the nozzle 305. This lubrication of the latch 202 reduces friction during its extension and retraction, thereby improving the ease and flexibility of unlocking and preventing inconvenience caused by latch jamming. Simultaneously, it effectively reduces wear on the surface of the latch 202, minimizing the risk of problems caused by latch 202 malfunctions. The reduced frequency of lock replacement lowers maintenance costs and extends service life. The interior of the steel door 101 is equipped with rock wool board 104 and fireproof board 105, which effectively prevents the spread of fire through the steel door 101 and enhances the structural stability and fire resistance of the steel door 101. The fireproof board 105 and ceramic fiber board 106 provide thermal insulation and prevent heat transfer. The fireproof lock component 2 is made of stainless steel, which is conducive to withstanding high temperatures in a fire and is not easy to rust, ensuring the long-term reliability of the fireproof lock component 2.

[0030] Example 2: As Figures 1-6As shown, the sealing assembly 4 includes a sealing frame 401, which is disposed inside the door frame 102. An installation groove 402 is provided on the inner side of the sealing frame 401. A sealing strip 403 is installed inside the installation groove 402. Multiple limiting rods 404 are distributed on the side of the installation groove 402. A baffle 103 is installed on the inner side of the door frame 102, and the sealing frame 401 is disposed on the side of the baffle 103.

[0031] In this embodiment, a sealing frame 401 is set inside the door frame 102, and a sealing strip 403 is installed inside the mounting groove 402. Then, a limiting rod 404 is used to limit the sealing strip 403, ensuring the stability and reliability of the installation of the sealing strip 403. This also facilitates the maintenance and replacement of the sealing strip 403, improving the convenience of operation. At the same time, the sealing strip 403 helps to provide a sealing effect, effectively preventing smoke from leaking through the gap between the steel door 101 and the door frame 102, further improving the fire resistance performance. It also helps to reduce heat transfer and improve the heat insulation performance.

[0032] The working principle of this embodiment is as follows: During use, the inlet 303 facilitates the injection of lubricating fluid into the storage tank 301. A micro pump 302 draws the lubricating fluid from the storage tank 301. The lubricating fluid passes through the delivery pipe 304 and is then sprayed out through the nozzle 305, which helps lubricate the latch 202, reducing friction during extension and retraction, thus improving the convenience and flexibility of unlocking. The interior of the steel door 101 is equipped with a rock wool board 104 and a fireproof board 105, effectively preventing the spread of fire through the steel door 101 and enhancing its structural stability and fire resistance. The 105 and ceramic fiber board 106 provide thermal insulation and prevent heat transfer. The sealing frame 401 is set inside the door frame 102, and the sealing strip 403 is installed inside the mounting groove 402. Then, the limiting rod 404 is used to limit the sealing strip 403, ensuring the stability and reliability of the installation of the sealing strip 403 and facilitating the maintenance and replacement of the sealing strip 403. At the same time, the sealing strip 403 provides a sealing effect, effectively preventing smoke from leaking through the gap between the steel door 101 and the door frame 102, further improving fire resistance, and also reducing heat transfer and improving thermal insulation performance.

[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A fireproof lock structure for a steel insulated fireproof door, comprising a fireproof door assembly (1) and a fireproof lock assembly (2), characterized in that: The fireproof lock assembly (2) is installed on the fireproof door assembly (1). The fireproof door assembly (1) is provided with a lubrication assembly (3) and a sealing assembly (4). The fireproof door assembly (1) includes a steel door (101) and a door frame (102). The fireproof lock assembly (2) includes a lock body (201). The lubrication assembly (3) includes a storage tank (301). The storage tank (301) is installed inside the steel door (101). A micro pump (302) is installed on the top of the storage tank (301). A delivery pipe (304) is connected to the side of the micro pump (302). One end of the delivery pipe (304) is connected to a nozzle (305).

2. The fireproof lock structure for a steel insulated fireproof door according to claim 1, characterized in that: The sealing assembly (4) includes a sealing frame (401), which is disposed inside the door frame (102). An installation groove (402) is provided on the inner side of the sealing frame (401), and a sealing strip (403) is installed inside the installation groove (402). Multiple limiting rods (404) are distributed on the side of the installation groove (402).

3. The fireproof lock structure for a steel insulated fireproof door according to claim 1, characterized in that: The interior of the steel door (101) is provided with a rock wool board (104), and the side of the rock wool board (104) is provided with a fireproof board (105).

4. The fireproof lock structure for a steel insulated fireproof door according to claim 3, characterized in that: The fireproof board (105) has a ceramic fiber board (106) on its side, and the ceramic fiber board (106) has a heat insulation board (107) on its side.

5. The fireproof lock structure for a steel insulated fireproof door according to claim 2, characterized in that: A baffle (103) is installed on the inner side of the door frame (102), and the sealing frame (401) is located on the side of the baffle (103).

6. The fireproof lock structure for a steel insulated fireproof door according to claim 1, characterized in that: The lock body (201) is provided with a lock tongue (202) and a safety bolt (203), and the safety bolt (203) is located below the lock tongue (202).

7. The fireproof lock structure for a steel insulated fireproof door according to claim 6, characterized in that: The top of the storage tank (301) is connected to a feed inlet (303), and the nozzle (305) is positioned above the locking tongue (202).

8. The fireproof lock structure for a steel insulated fireproof door according to claim 1, characterized in that: A handle (204) is installed on the side of the lock body (201).

9. The fireproof lock structure for a steel insulated fireproof door according to claim 2, characterized in that: The side of the steel door (101) is connected to the sealing frame (401).

10. The fireproof lock structure for a steel insulated fireproof door according to claim 1, characterized in that: The lock body (201) is provided with mounting bolts and keyholes.

Images