CN213927986U

CN213927986U - Door closer for fireproof door and window

Info

Publication number: CN213927986U
Application number: CN202022835906.9U
Authority: CN
Inventors: 成垚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-08-10
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses a door closer for fire prevention door and window, including casing and fixed block, the bottom inner wall of casing is provided with the guide rail, and the inner wall sliding connection of guide rail has the slider, one side outer wall fixedly connected with rack of slider, and one side outer wall fixedly connected with connecting block of rack, the first spring of one side inner wall fixedly connected with of casing, and one side outer wall fixed connection of the one end of first spring and connecting block, one side inner wall of casing is connected with the pivot through the bearing, and the outer wall of pivot has cup jointed the gear. The utility model discloses a be provided with smoke transducer and temperature sensor, when detecting conflagration emergence, the motor will start to drive gear revolve, and the gear drives the rack and removes left, and the rack acts on the slider and removes, and then can make the connecting rod on the slider drive a body and close, just so can cut off the air convection, prevents the further extension of conflagration, greatly reduced the harm of conflagration.

Description

Door closer for fireproof door and window

Technical Field

The utility model relates to a door closer technical field especially relates to a door closer for fire prevention door and window.

Background

The door closer is a hydraulic press similar to a spring on the door head, can be released after being compressed after the door is opened, automatically closes the door, has the effect like a spring door, and can ensure that the door is accurately and timely closed to an initial position after being opened. Door closers are used primarily in commercial and public buildings, but also in the home, and have many uses, the most important of which is to allow the doors to close themselves to limit the spread of fire and ventilation within the building.

In the existing door closer, when a fire disaster occurs, the door closer cannot automatically close due to the fire of a room, so that air convection cannot be cut off, toxic smoke and flame spread are caused, and inestimable harm is brought.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a door closer for fireproof doors and windows.

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

a door closer for fireproof doors and windows comprises a shell and a fixed block, wherein the inner wall of the bottom of the shell is provided with a guide rail, the inner wall of the guide rail is connected with a slide block in a sliding way, the outer wall of one side of the slide block is fixedly connected with a rack, and the outer wall of one side of the rack is fixedly connected with a connecting block, the inner wall of one side of the shell is fixedly connected with a first spring, one end of the first spring is fixedly connected with the outer wall of one side of the connecting block, the inner wall of one side of the shell is connected with a rotating shaft through a bearing, and the outer wall of the rotating shaft is sleeved with a gear, the inner wall of the other side of the shell is fixedly connected with a motor, one end of an output shaft of the motor is fixedly connected with one end of the rotating shaft, the outer wall of the top of the fixed block is connected with a rotating rod through a bearing, and the outer wall fixedly connected with connecting rod of bull stick, the one end of connecting rod is articulated mutually with the bottom outer wall of slider, and the top outer wall of casing is provided with smoke transducer and temperature sensor respectively.

Furthermore, the outer wall of the rotating rod is sleeved with a mounting pad, and the mounting pad is made of rubber.

Furthermore, the outer wall of the top of the connecting block is fixedly connected with an attraction block, and the attraction block is made of an iron material.

Furthermore, the top inner wall of the shell is fixedly connected with a magnet, and the magnet is matched with the attraction block for use.

Furthermore, the outer wall of the other side of the shell is fixedly connected with a second spring, and one end of the second spring is fixedly connected with a buffer block.

Furthermore, a motor is arranged inside the fixed block, and one end of an output shaft of the motor is fixedly connected with one end of the rotating rod.

The utility model has the advantages that:

1. this a door closer for fire prevention door and window through being provided with smoke transducer and temperature sensor, when detecting that there is the conflagration to take place, the motor will start to drive gear revolve, and the gear drives the rack and removes left, and the rack acts on the slider and removes, and then can make the connecting rod on the slider drive the door body and close, just so can cut off the air convection, prevents further spreading of conflagration, greatly reduced the harm of conflagration.

2. This a door closer for fire prevention door and window through being provided with and inhale and close piece and magnet, after opening the door to certain angle, inhale and close piece and magnet and will inhale, and then make the door be in a state of opening, conveniently come in and go out.

3. This a door closer for fire prevention door and window through being provided with second spring and buffer block, when the door carries out self-closing, under the cushioning effect of buffer block and second spring, can prevent that the door from closing too fast to cause the striking and harm.

4. This a door closer for fire prevention door and window through being provided with the motor, when the conflagration takes place, the motor also can drive the bull stick and rotate, and the bull stick acts on the connecting rod, can make the more quick closing of door on the one hand, and on the other hand also can prevent that the motor on the gear from damaging, acts as a reserve mechanism of closing a door.

The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.

Drawings

Fig. 1 is a schematic view of the overall structure of a door closer for fire-proof doors and windows provided by the present invention;

fig. 2 is a schematic sectional view of the door closer for fire-proof doors and windows of the present invention;

fig. 3 is the utility model provides a motor structure schematic diagram of door closer for fireproof door and window.

In the figure: 1-shell, 2-fixed block, 3-rotating rod, 4-mounting pad, 5-connecting rod, 6-smoke sensor, 7-temperature sensor, 8-first spring, 9-connecting block, 10-rack, 11-guide rail, 12-sliding block, 13-second spring, 14-buffer block, 15-gear, 16-attraction block, 17-magnet and 18-motor.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a door closer for fireproof doors and windows comprises a housing 1 and a fixed block 2, wherein a guide rail 11 is arranged on the inner wall of the bottom of the housing 1, a slide block 12 is slidably connected to the inner wall of the guide rail 11, a rack 10 is connected to the outer wall of one side of the slide block 12 through a screw, a connecting block 9 is connected to the outer wall of one side of the rack 10 through a screw, a first spring 8 is connected to the inner wall of one side of the housing 1 through a screw, one end of the first spring 8 is fixedly connected to the outer wall of one side of the connecting block 9, the inner wall of one side of the housing 1 is connected to a rotating shaft through a bearing, a gear 15 is sleeved on the outer wall of the rotating shaft, a motor is connected to the inner wall of the other side of the housing 1 through a screw, one end of an output shaft of the motor is fixedly connected to one end of the rotating shaft, a rotating rod 3 is connected to the outer wall of the top of the fixed block 2 through a bearing, and a connecting rod 5 is connected to the outer wall of the rotating rod 3 through a screw, one end of the connecting rod 5 is hinged with the bottom outer wall of the sliding block 12, and the top outer wall of the shell 1 is provided with a smoke sensor 6 and a temperature sensor 7 respectively.

The utility model discloses in, mounting pad 4 has been cup jointed to the outer wall of bull stick 3, and the material of mounting pad 4 is rubber.

The utility model discloses in, the top outer wall of connecting block 9 has the actuation piece 16 through the screw connection, and actuation piece 16 is the iron material.

The utility model discloses in, there is magnet 17 casing 1's top inner wall through the screw connection, and magnet 17 uses with 16 cooperations of piece that close of inhaling.

The utility model discloses in, there is second spring 13 casing 1's opposite side outer wall through the screw connection, and there is buffer block 14 one end of second spring 13 through the screw connection.

The working principle is as follows: the shell 1 is arranged above a door, the fixed block 2 is arranged on a door body, when the door is normally opened and closed, the connecting rod 5 acts on the sliding block 12, the sliding block 12 acts on the rack 10, the door can be automatically closed under the action of the first spring 8, after the door is opened to a certain angle, the attraction block 16 and the magnet 17 can be attracted, so that the door is in an opened state and is convenient to come in and go out, and when the door is automatically closed, the door can be prevented from being closed too fast under the buffer action of the buffer block 14 and the second spring 13, so that the door is damaged due to impact; when a fire disaster is detected, the motor is started to drive the gear 15 to rotate, the gear 15 drives the rack 10 to move leftwards, the rack 10 acts on the sliding block 12 to move, and then the connecting rod 5 on the sliding block 12 drives the door body to close.

Example 2

Referring to fig. 3, in this embodiment, compared with embodiment 1, the door closer for a fire-proof door and window further includes a motor 18 disposed inside the fixing block 2, and one end of an output shaft of the motor 18 is fixedly connected to one end of the rotating rod 3.

The working principle is as follows: fixed block 2 internally mounted has motor 18, and motor 18 also can drive bull stick 3 and rotate, and bull stick 3 acts on connecting rod 5, can make the door close more fast on the one hand, and on the other hand also can prevent that the motor on the gear 15 from damaging, acts as a reserve mechanism of closing a door.

The above, only be the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be in the technical scope of the present invention, according to the present invention, the technical solution and the utility model thereof should be covered when replacing or changing the same, and the protection scope of the present invention is also covered by the present invention

When the door is automatically closed, the buffer block 14 and the second spring 13 can prevent the door from being closed too fast under the buffer action, so that the door is damaged due to collision; when a fire disaster is detected, the motor is started to drive the gear 15 to rotate, the gear 15 drives the rack 10 to move leftwards, the rack 10 acts on the sliding block 12 to move, and then the connecting rod 5 on the sliding block 12 drives the door body to close.

Example 2

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The door closer for the fireproof doors and windows comprises a shell (1) and a fixed block (2) and is characterized in that a guide rail (11) is arranged on the inner wall of the bottom of the shell (1), a sliding block (12) is connected to the inner wall of the guide rail (11) in a sliding manner, a rack (10) is fixedly connected to the outer wall of one side of the sliding block (12), a connecting block (9) is fixedly connected to the outer wall of one side of the rack (10), a first spring (8) is fixedly connected to the inner wall of one side of the shell (1), one end of the first spring (8) is fixedly connected to the outer wall of one side of the connecting block (9), a rotating shaft is connected to the inner wall of one side of the shell (1) through a bearing, a gear (15) is sleeved on the outer wall of the rotating shaft, a motor is fixedly connected to the inner wall of the other side of the shell (1), one end of an output shaft of the motor is fixedly connected to one end of the rotating shaft, and a rotating rod (3) is connected to the outer wall of the top of the fixed block (2) through a bearing, and the outer wall fixedly connected with connecting rod (5) of bull stick (3), the one end of connecting rod (5) is articulated mutually with the bottom outer wall of slider (12), and the top outer wall of casing (1) is provided with smoke transducer (6) and temperature sensor (7) respectively.

2. The door closer for the fireproof door and window according to claim 1, wherein the outer wall of the rotating rod (3) is sleeved with a mounting pad (4), and the mounting pad (4) is made of rubber.

3. The door closer for the fireproof door and window according to claim 1, wherein the outer wall of the top of the connecting block (9) is fixedly connected with an absorption block (16), and the absorption block (16) is made of a ferrous material.

4. The door closer for the fireproof door and window according to claim 1, wherein the inner wall of the top of the shell (1) is fixedly connected with a magnet (17), and the magnet (17) is matched with the attraction block (16) for use.

5. The door closer for the fireproof door and window according to claim 4, wherein the outer wall of the other side of the housing (1) is fixedly connected with a second spring (13), and one end of the second spring (13) is fixedly connected with a buffer block (14).

6. The door closer for the fireproof door and window according to claim 1, wherein a motor (18) is arranged inside the fixed block (2), and one end of an output shaft of the motor (18) is fixedly connected with one end of the rotating rod (3).