CN222701773U - Torsional spring door closer - Google Patents
Torsional spring door closer Download PDFInfo
- Publication number
- CN222701773U CN222701773U CN202421392804.6U CN202421392804U CN222701773U CN 222701773 U CN222701773 U CN 222701773U CN 202421392804 U CN202421392804 U CN 202421392804U CN 222701773 U CN222701773 U CN 222701773U
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- door
- shaft
- shaft rod
- rod
- end cover
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- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
一种扭簧闭门器，包括门板和门框，还包括轴杆和压杆，压杆一端固定连接在轴杆上，在轴杆两端分别装配有轴座，轴座固定安装在门框上，在轴杆外套有扭簧，扭簧两端分别与轴座和轴杆连接。本实用新型用于解决现有闭门器体积大，安装位置局限于门板顶部，容易导致防火门变形的问题。
A torsion spring door closer comprises a door panel and a door frame, and also comprises a shaft rod and a pressure rod, wherein one end of the pressure rod is fixedly connected to the shaft rod, shaft seats are respectively mounted at both ends of the shaft rod, the shaft seats are fixedly mounted on the door frame, a torsion spring is disposed outside the shaft rod, and both ends of the torsion spring are respectively connected to the shaft seat and the shaft rod. The utility model is used to solve the problem that the existing door closer is large in size, the installation position is limited to the top of the door panel, and it is easy to cause deformation of the fire door.
Description
Technical Field
The utility model relates to a torsion spring door closer.
Background
The fire door is required to be installed in public corridor, corridor and corridor of retaining wall office building, apartment and residence, and the fire door is required to be in a normally closed state by using a door closer, and the opening degree of the fire door is insufficient after installation due to the fact that the existing door closer is large in size, and the common door closer can only be installed at the top end of the fire door, so that the fire door can be deformed after the fire door is opened and closed for a long time.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a torsion spring door closer which is used for solving the problems that the existing door closer is large in size, the installation position is limited to the top of a door plate, and the deformation of a fireproof door is easy to cause.
In order to solve the above problems, the present utility model provides
The torsional spring door closer comprises a door plate, a door frame, a shaft rod, a pressing rod, shaft seats, a torsional spring, a shaft seat and a shaft rod, wherein one end of the pressing rod is fixedly connected to the shaft rod, the shaft seats are respectively assembled at two ends of the shaft rod, the shaft seats are fixedly installed on the door frame, the torsional spring is sleeved outside the shaft rod, and two ends of the torsional spring are respectively connected with the shaft seats and the shaft rod.
A support is fixedly arranged on the door plate, a guide hole is formed in the support, and one end of a compression bar is inserted into the guide hole.
The speed reducing mechanism comprises an end cover sleeved on the shaft rod, a spring, a limiting plate fixedly connected to the shaft seat and a guide post fixedly connected to the shaft rod, a cover opening of the top surface of the end cover is an inclined surface, a plane is arranged on the side surface of the end cover, the spring pushes the cover opening of the top surface of the end cover to abut against the guide post, and the side surface of the end cover abuts against the limiting plate.
The beneficial effects of the utility model are as follows:
1. The problem of insufficient switch size of a special fireproof door can be avoided after the patent is used;
2. the installation is more convenient, and the door frame is directly fixed on the door frame by using screws;
3. the fireproof door body is not extruded and damaged;
4. the equipment does not need to be overhauled, once and for all after installation;
5. Can be installed at any position of the fireproof door frame, and is most suitable for being installed at the middle position of the fireproof door.
Drawings
The utility model is further described with reference to the accompanying drawings:
Fig. 1 is a schematic perspective view of the present utility model.
In the figure, a shaft seat 1, a compression bar 2, a door plate 3, a support 4, a guide post 5, an end cover 6, a spring 7, a limiting plate 8, a shaft lever 9, a torsion spring 10 and a door frame 11.
Detailed Description
As shown in fig. 1, the torsional spring door closer comprises a door plate 3 and a door frame 11, and further comprises a shaft rod 9 and a pressing rod 2, wherein one end of the pressing rod 2 is fixedly connected to the shaft rod 9, shaft bases 1 are respectively assembled at two ends of the shaft rod 9, the shaft bases 1 are fixedly arranged on the door frame 11 through countersunk screws, a torsional spring 10 is sleeved outside the shaft rod 9, and two ends of the torsional spring 10 are respectively connected with the shaft bases 1 and the shaft rod 9.
The door closer can be arranged at the middle position of the door frame 11, when the door is opened, the door plate 3 drives the torsion spring 10 to twist and bear force through the compression bar 2, and after the door plate 3 is loosened, the torsion spring 10 drives the door plate 3 to be closed by means of elasticity.
A support 4 is fixedly arranged on the door plate 3, a guide hole is formed in the support 4, one end of the compression bar 2 is inserted into the guide hole, and the compression bar 2 moves in the guide hole when the door plate 3 is opened and closed. This structure can avoid the depression bar 2 to rub door plant 3, prevents door plant 3 from being scraped.
The speed reducing mechanism comprises an end cover 6 and a spring 7 which are sleeved on a shaft rod 9, a limiting plate 8 fixedly connected to the shaft seat 1 and a guide post fixedly connected to the shaft rod 9, a cover opening of the top surface of the end cover 6 is an inclined surface, a plane is arranged on the side surface of the end cover 6, the spring 7 pushes the cover opening of the top surface of the end cover 6 to abut against the guide post, the side surface of the end cover 6 abuts against the limiting plate 8, and the end cover 6 can only axially move on the shaft rod 9 due to the fact that the side surface of the end cover 6 is a plane and abuts against the limiting plate 8.
The operating principle of the speed reducing mechanism is that when the door is closed, the rotating guide post 5 is driven by the rotating shaft rod 9 to move from the lower part of the top surface of the end cover 6 to the higher direction, so that the end cover 6 is driven to move downwards, the spring 7 is forced to compress, the more the door plate 3 is closed, the more the spring 7 is compressed, the larger the resistance applied to the guide post is, the closing speed of the door plate 3 is reduced, the noise generated when the door is closed is further weakened, and meanwhile, the door plate 3 and the door lock are prevented from being damaged due to overlarge door closing force.
The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (3)
1. The torsional spring door closer comprises a door plate (3) and a door frame (11) and is characterized by further comprising a shaft rod (9) and a pressing rod (2), one end of the pressing rod (2) is fixedly connected to the shaft rod (9), shaft seats (1) are respectively assembled at two ends of the shaft rod (9), the shaft seats (1) are fixedly installed on the door frame (11), a torsional spring (10) is sleeved outside the shaft rod (9), and two ends of the torsional spring (10) are respectively connected with the shaft seats (1) and the shaft rod (9).
2. The torsional spring door closer according to claim 1, wherein a support (4) is fixedly arranged on the door plate (3), a guide hole is formed in the support (4), and one end of the compression bar (2) is inserted into the guide hole.
3. The torsion spring door closer according to claim 1 or 2, further comprising a speed reducing mechanism, wherein the speed reducing mechanism comprises an end cover (6) sleeved on the shaft rod (9), a spring (7), a limiting plate (8) fixedly connected to the shaft seat (1) and a guide post (5) fixedly connected to the shaft rod (9), a top cover opening of the end cover (6) is an inclined plane, a plane is arranged on the side face of the end cover (6), the spring (7) pushes the top cover opening of the end cover (6) to abut against the guide post (5), and the side face of the end cover (6) abuts against the limiting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421392804.6U CN222701773U (en) | 2024-06-18 | 2024-06-18 | Torsional spring door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421392804.6U CN222701773U (en) | 2024-06-18 | 2024-06-18 | Torsional spring door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222701773U true CN222701773U (en) | 2025-04-01 |
Family
ID=95137993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421392804.6U Active CN222701773U (en) | 2024-06-18 | 2024-06-18 | Torsional spring door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222701773U (en) |
-
2024
- 2024-06-18 CN CN202421392804.6U patent/CN222701773U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |