Integrated fire door electric door closer

CN224606264UActive Publication Date: 2026-08-07DANYANG HUAMING OPTICS
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Patent Information

Application Number
CN202520518131.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-08-07
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

这种装置通常集成了电动机、传感器和控制系统,可以通过电源控制门的闭合,并确保当门关闭时紧密贴合,以阻止烟雾和火焰的扩散,目前一体式防火门电动闭门器安装过程中,通过采取紧固用的螺栓进行安装固定处理,由于一体式防火门电动闭门器长期使用容易产生损坏的情况,然而通过螺栓的固定方式,则需要涉及与螺栓相匹配的工具进行拆卸处理,拆卸过程中相对费时费力,同时螺栓安装方式,会在门上留下安装孔位,多次安装与拆卸,容易导致安装不稳固而造成一体式防火门电动闭门器易脱落的情况发生,进而降低了一体式防火门电动闭门器的使用效果

Benefits of technology

通过将导向板对应设置在导向块上的安装槽内,并将导向柱以滑动的方式设置在导向板的内部中心位置,根据导向柱外壁上的弹簧具有弹性反作用力的效果,使其安装板先安装固定在防火门预留的闭门器位置,至电动闭门器由U型座以滑动的方式推入安装板上的导向块处,再由插板对应贯穿导向槽和U型座,待插板插入过程中,会挤压导向柱上的插销,推动上方的定位销插入到U型座上的定位槽,即可达到对电动闭门器采取安装固定处理,拆卸过程中,只需拉出插板,即可达到对电动闭门器采取拆卸处理,操作简单,便于拆装,期间无需采用工具进行拆卸处理,一方面提高了对一体式防火门电动闭门器拆装效率,另一方面不会破坏到防火门安装孔位,避免多次拆装造成一体式防火门电动闭门器松动,保障了一体式防火门电动闭门器安装稳固性,有效的对一体式防火门电动闭门器提高了使用效果。

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Abstract

The utility model discloses a technical field of electric door closer one -piece fireproof door electric door closer, including electric door closer, the top one side of electric door closer is provided with the mounting post, the rear end surface both sides of electric door closer are provided with U type seat, and its structure is reasonable, the utility model discloses the mounting groove on the guide block is set in the guide plate correspondingly, and the inside center position of guide column is set in the guide plate in the sliding mode, according to the spring on the elastic reaction force effect of guide column outer wall, make its mounting panel first install fixed in the door closer position of fireproof door reservation, until electric door closer is pushed into the guide block on mounting panel by the sliding mode of U type seat, then by the plug -in board correspondingly through guide slot and U type seat, during the plug -in board insertion process, will extrude the bolt on guide column, and the positioning pin of upper part is inserted into the positioning slot on U type seat, can reach to the electric door closer and take installation fixed processing.
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Description

Technical Field

[0001] This utility model relates to the field of electric door closer technology, specifically an integrated electric door closer for fire doors. Background Technology

[0002] Integrated fire door electric closers are safety devices used for fire doors. They not only automatically close the fire door in the event of a fire, but also control the opening and closing of the door during normal use. These devices typically integrate a motor, sensors, and a control system. They control the door's closure via power and ensure a tight seal when closed to prevent the spread of smoke and flames. Currently, integrated fire door electric closers are installed and secured using bolts. However, these devices are prone to damage over time. Bolting requires tools compatible with the bolts for disassembly, which is time-consuming and labor-intensive. Furthermore, bolt installation leaves mounting holes on the door, and repeated installation and disassembly can lead to instability and the device easily falling off, thus reducing its effectiveness.

[0003] Therefore, it is necessary to develop an integrated electric door closer for fire doors. Utility Model Content

[0004] The purpose of this utility model is to provide an integrated electric door closer for fire doors to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an integrated fire door electric door closer, comprising an electric door closer, a mounting post provided on one side of the top of the electric door closer, U-shaped seats provided on both sides of the rear end surface of the electric door closer, a connecting rod installed above the electric door closer, and a mounting plate installed on the rear end face of the electric door closer; Guide blocks are provided on both sides of the front end of the mounting plate. The upper surface of the guide block is provided with a mounting groove, and a guide plate is installed inside the mounting groove.

[0006] Preferably, a knob is threaded onto the upper part of the outer wall of the mounting column, and a positioning groove is provided at the top of the inner part of the U-shaped seat.

[0007] Preferably, a mounting hole is provided on one side of the surface of the connecting rod, the inner wall of the mounting hole is rotatably connected to the outer wall of the mounting post, and a mounting arm is rotatably connected to one end of the connecting rod.

[0008] Preferably, the outer wall of the guide block is slidably connected to the inner wall of the U-shaped seat, and a guide groove is provided below the center position of the surface of the guide block.

[0009] Preferably, an insert plate is installed inside the guide groove, the outer wall of the insert plate is slidably connected to the inner wall of the guide groove, and slots are provided on both sides of the upper surface of the insert plate.

[0010] Preferably, a guide post is slidably connected to the inner center of the guide plate, and a pin is provided at the bottom end of the guide post.

[0011] Preferably, a positioning pin is provided at the top of the guide post, and a spring is provided at the bottom of the outer wall of the guide post.

[0012] Compared with the prior art, the beneficial effects of this utility model are: By placing the guide plate in the mounting groove on the guide block and sliding the guide post in the center of the guide plate, the mounting plate is first fixed to the pre-installed door closer position on the fire door due to the elastic reaction force of the spring on the outer wall of the guide post. The electric door closer is then pushed into the guide block on the mounting plate by the U-shaped seat. A corresponding insert plate passes through the guide groove and the U-shaped seat. During insertion, the insert plate presses the pin on the guide post, pushing the positioning pin above into the positioning groove on the U-shaped seat, thus fixing the electric door closer in place. Disassembly is simple; just pull out the insert plate to remove the electric door closer. The operation is straightforward and easy to perform, requiring no tools. This improves the efficiency of installing and removing the integrated fire door electric door closer without damaging the fire door mounting holes, avoiding loosening due to repeated disassembly and ensuring the stability of the integrated fire door electric door closer installation. This effectively improves the performance of the integrated fire door electric door closer. Attached Figure Description

[0013] Figure 1 Top view sectional view provided for this utility model; Figure 2 This is a partial front sectional view of the structure provided by this utility model; Figure 3 Provided by this utility model Figure 2 Enlarged view of the structure at point A in the image; Figure 4 This is a partial three-dimensional structural schematic diagram of the present invention; Figure 5 This is a partial exploded view of the structure provided by this utility model.

[0014] In the diagram: 1. Electric door closer; 101. Mounting post; 102. U-shaped seat; 103. Knob; 104. Positioning groove; 2. Connecting rod; 201. Mounting hole; 202. Mounting arm; 3. Mounting plate; 301. Guide block; 302. Mounting groove; 303. Guide groove; 304. Insert plate; 305. Slot; 4. Guide plate; 401. Guide post; 402. Pin; 403. Positioning pin; 404. Spring. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] This utility model provides the following technical solution: an integrated electric door closer for fireproof doors. Please refer to [link / reference]. Figures 1-5 The device includes an electric door closer 1. A mounting post 101 is located on one side of the top of the electric door closer 1. U-shaped seats 102 are located on both sides of the rear surface of the electric door closer 1. A knob 103 is threaded onto the upper part of the outer wall of the mounting post 101. A positioning groove 104 is formed at the top of the inner part of the U-shaped seat 102. A connecting rod 2 is mounted above the electric door closer 1. A mounting hole 201 is formed on one side of the surface of the connecting rod 2. The inner wall of the mounting hole 201 is rotatably connected to the outer wall of the mounting post 101. One end of the connecting rod 2 can rotate. The electric door closer 1 is connected to the mounting arm 202. The connecting rod 2 is fixed to the fire door frame from one end of the mounting arm 202. The electric door closer 1 is slidably connected to the mounting hole 201 on the connecting rod 2 by the mounting post 101. Then, the knob 103 is tightened by thread connection. This achieves the splicing treatment of electric door closer 1 and connecting rod 2. The tightness of the connection between connecting rod 2 and electric door closer 1 can be adjusted when the knob 103 is tightened. The rear end face of electric door closer 1 is equipped with mounting plate 3. Guide blocks 301 are provided on both sides of the front end of the mounting plate 3. The upper surface of the guide block 301 is provided with a mounting groove 302. The outer wall of the guide block 301 is slidably connected to the inner wall of the U-shaped seat 102. A guide groove 303 is provided below the center position of the surface of the guide block 301. An insert plate 304 is installed inside the guide groove 303. The outer wall of the insert plate 304 is slidably connected to the inner wall of the guide groove 303. Slots 305 are provided on both sides of the upper surface of the insert plate 304. The mounting plate 3 is pre-installed at the position reserved for the electric door closer 1 on the fire door. When the electric door closer 1 needs to be installed, the electric door closer 1 needs to be pushed into the guide block 301 on the mounting plate 3 by sliding from the U-shaped seat 102 at the bottom. Then, the mounting post 101 is inserted into the mounting hole 201 on the connecting rod 2. Finally, the knob 103 is tightened. A guide plate 4 is installed inside the mounting slot 302. A guide post 401 is slidably connected to the center of the guide plate 4. A pin 402 is provided at the bottom end of the guide post 401, and a positioning pin 403 is provided at the top end of the guide post 401. The guide plate 4 is correspondingly placed in the mounting slot 302 on the guide block 301, and the guide post 401 is slidably placed at the center of the guide plate 4. The pin 402 and the positioning pin 403 are sequentially provided at both ends of the guide post 401, so that the guide post 401 can slide vertically up and down on the guide plate 4. At the same time, the pin 402 and the positioning pin 403 can limit the guide post 401. A spring 404 is provided on the lower outer wall of the guide post 401. The spring 404 is fitted on the outer wall of the guide post 401. The spring 404 has an elastic reaction force effect. After the electric door closer 1 is pushed into the guide block 301 on the mounting plate 3, the insert plate 304 passes through the guide groove 303 and the U-shaped seat 102. During the insertion process, the insert plate 304 will squeeze the pin 402 on the guide post 401, pushing the positioning pin 403 above into the positioning groove 104 on the U-shaped seat 102, thus achieving the installation and fixing of the electric door closer 1. During disassembly, simply pull out the insert plate 304 to disassemble the electric door closer 1. The operation is simple and easy to disassemble and assemble, without the need for tools. On the one hand, it improves the efficiency of disassembly and assembly of the integrated fire door electric door closer, and on the other hand, it will not damage the fire door mounting holes, avoiding the loosening of the integrated fire door electric door closer due to repeated disassembly and assembly, and ensuring the installation stability of the integrated fire door electric door closer.

[0017] Working principle: When using this utility model, the connecting rod 2 is fixed to the fire door frame at one end of the mounting arm 202, and the electric door closer 1 is slidably connected to the mounting hole 201 on the connecting rod 2 by the mounting post 101. Then, the knob 103 is tightened by threaded connection, thus achieving the splicing treatment of the electric door closer 1 and the connecting rod 2. With the knob 103 tightened, the tightness of the connection between the connecting rod 2 and the electric door closer 1 can be adjusted. By pre-installing the mounting plate 3 at the reserved position of the electric door closer 1 on the fire door, when the electric door closer 1... When installation is required, first slide the electric door closer 1 from the U-shaped base 102 at the bottom into the guide block 301 on the mounting plate 3, then insert the mounting post 101 into the mounting hole 201 on the connecting rod 2, and finally tighten it with the knob 103. The guide plate 4 is positioned in the mounting groove 302 on the guide block 301, and the guide post 401 is slidably positioned at the center of the guide plate 4. Pins 402 and positioning pins 403 are sequentially installed at both ends of the guide post 401, ensuring the guide post 401 is properly positioned on the guide plate. While sliding vertically up and down, the pin 402 and the positioning pin 403 can limit the guide post 401. By fitting a spring 404 on the outer wall of the guide post 401, the elastic reaction force of the spring 404 pushes the electric door closer 1 into the guide block 301 on the mounting plate 3. The insert plate 304 passes through the guide groove 303 and the U-shaped seat 102. During the insertion of the insert plate 304, it will squeeze the pin 402 on the guide post 401, pushing the positioning pin 403 above into the positioning groove 10 on the U-shaped seat 102. 4. This allows for the installation and fixing of the electric door closer 1. During disassembly, simply pull out the insert plate 304 to remove the electric door closer 1. The operation is simple and convenient, requiring no tools for disassembly. This improves the efficiency of disassembly and assembly of the integrated fire door electric door closer, and avoids damaging the fire door's mounting holes. It also prevents the integrated fire door electric door closer from becoming loose due to repeated disassembly and assembly, ensuring the stability of the integrated fire door electric door closer installation and effectively improving its performance.

[0018] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An integrated fire door electric door closer, comprising an electric door closer (1), wherein a mounting post (101) is provided on one side of the top of the electric door closer (1), and U-shaped seats (102) are provided on both sides of the rear end surface of the electric door closer (1), and a connecting rod (2) is installed above the electric door closer (1), characterized in that: The rear end face of the electric door closer (1) is equipped with an mounting plate (3). Guide blocks (301) are provided on both sides of the front end of the mounting plate (3). The upper surface of the guide block (301) is provided with a mounting groove (302), and a guide plate (4) is installed inside the mounting groove (302).

2. The integrated fire door electric door closer according to claim 1, characterized in that: A knob (103) is threaded onto the upper outer wall of the mounting post (101), and a positioning groove (104) is provided at the top of the interior of the U-shaped seat (102).

3. The integrated fire door electric door closer according to claim 1, characterized in that: The connecting rod (2) has a mounting hole (201) on one side of its surface. The inner wall of the mounting hole (201) is rotatably connected to the outer wall of the mounting post (101). One end of the connecting rod (2) is rotatably connected to a mounting arm (202).

4. The integrated fire door electric door closer according to claim 1, characterized in that: The outer wall of the guide block (301) is slidably connected to the inner wall of the U-shaped seat (102), and a guide groove (303) is provided below the center position of the surface of the guide block (301).

5. The integrated fire door electric door closer according to claim 4, characterized in that: The guide groove (303) is equipped with a plate (304), the outer wall of the plate (304) is slidably connected to the inner wall of the guide groove (303), and slots (305) are provided on both sides of the upper surface of the plate (304).

6. The integrated fire door electric door closer according to claim 1, characterized in that: The guide plate (4) is slidably connected to the center of the interior of the guide post (401), and a pin (402) is provided at the bottom end of the guide post (401).

7. The integrated fire door electric door closer according to claim 6, characterized in that: The top of the guide post (401) is provided with a positioning pin (403), and a spring (404) is provided on the lower part of the outer wall of the guide post (401).