CN217735294U

CN217735294U - Door and anti-seepage device thereof

Info

Publication number: CN217735294U
Application number: CN202221162195.6U
Authority: CN
Inventors: 孟凡兵; 李建民; 马超龙; 高阳洋; 梁乃正
Original assignee: China Aviation International Construction and Investment Co Ltd
Current assignee: China Aviation International Construction and Investment Co Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-11-04
Anticipated expiration: 2032-05-16

Abstract

The application discloses door and prevention of seepage wind device thereof, prevention of seepage wind device including can install in the installation department of door leaf with install in the sealing strip of installation department, the installation department sets up to going up and down along with the opening and the closing of door leaf the sealing strip, so that the sealing strip is in be not less than the door lower limb when the door leaf is opened and outstanding in the door lower limb when the door leaf is closed. According to the technical scheme of this application, can effectively solve the crack and ooze the wind problem, when avoiding oozing indoor pollution and the energy waste that the wind leads to because of the crack, also improve the sound-proof performance of door.

Description

Door and anti-seepage device thereof

Technical Field

The application relates to the technical field of building energy conservation. In particular to a door and an anti-seepage device thereof.

Background

In life, the air leakage at the door gap brings many problems. For example, the air leakage can bring outdoor dust into the room, and can also reduce the sound insulation performance of the door, especially for air-conditioning and heating rooms, the air leakage at the door gap can increase the energy consumption of air-conditioning and heating, and cause energy waste.

In order to prevent air from leaking from the door gap, a sealing strip is usually manually added between the door leaf and the door frame to enhance the sealing performance of the door. This kind of mode is effectual to the door that has lower door frame, but some doors do not establish lower door frame for the convenience of passing through, and for opening the door and do not receive ground influence, can remain the clearance between door leaf and ground, under this kind of condition, just can't prevent the crack from oozing the wind through the mode of establishing the sealing strip through manual adding under the door between edge and ground.

Therefore, when the air leakage at the door gap cannot be prevented by manually arranging the sealing strip, how to provide a new technical scheme for solving the problem becomes a technical problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides a device for preventing air leakage at a door gap, which can solve the air leakage problem of a door when the sealing performance of the door cannot be enhanced by manually setting a sealing strip.

According to the application, the anti-wind-seepage device for the door is provided, the anti-wind-seepage device for the door comprises an installation part and a sealing strip, wherein the installation part can be installed on a door leaf, the sealing strip is installed on the installation part, the installation part is arranged to be capable of lifting along with the opening and closing of the door leaf, so that the sealing strip is arranged on the lower edge of the door when the door leaf is opened and protrudes out of the lower edge of the door when the door leaf is closed.

Preferably, the mounting portion includes a pressing mechanism provided on the door leaf and a biasing mechanism provided on the door leaf, the sealing strip is connected to the biasing mechanism to provide an upward biasing force to the sealing strip by the biasing mechanism, the pressing mechanism includes a pressing member that applies a downward pressure to the sealing strip, and the pressing mechanism is provided to be able to lift and lower the pressing member as the door leaf is opened and closed.

Preferably, the pressing mechanism includes a push-pull rod, a pressing rod and a pressing shaft, the pressing shaft is fixedly installed on the door leaf, the pressing rod can rotate around the pressing shaft and applies downward pressure towards the sealing strip, the push-pull rod is rotatably connected with the pressing rod, and the end of the push-pull rod is biased to a position extending out of the door leaf along the door shaft so as to be capable of moving under the pressing action of the door shaft frame.

Preferably, the pressing mechanism includes a guide structure for guiding the push-pull rod to move horizontally under the pressing action of the door spindle frame; and/or the pressing shaft is connected to the middle part of the pressing rod, the push-pull rod is connected to the first end of the pressing rod, and the second end of the pressing rod presses the sealing strip.

Preferably, a first end of the pressing rod is provided with a push-pull groove, and the push-pull rod is arranged to be capable of moving along the push-pull groove; and/or a pressing wheel is arranged at the second end of the pressing rod.

Preferably, the biasing mechanism comprises a lifting frame, the sealing strip is attached to the lower edge of the lifting frame, and the pressing rod presses the lifting frame.

Preferably, the biasing mechanism includes a lifting spring provided at both ends of the lifting frame, and the lifting spring is mounted to the door leaf.

Preferably, grooves are formed in two sides of the door leaf, and the lifting spring is mounted in the grooves.

Preferably, the pressing mechanism includes a biasing member for biasing the push-pull rod in a position such that an end portion thereof protrudes along the door axis, the biasing member being fitted over the push-pull rod and fixed to the door leaf.

According to another aspect of the application, a door is further provided, and the door comprises the door leaf and the wind seepage prevention device of the door.

According to the technical scheme of this application, can effectively solve the crack and ooze the wind problem, when avoiding oozing the pollution and the energy waste that the wind leads to because of the crack, also improve the sound-proof performance of door.

Additional features and advantages of the present application will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application, and the illustrative embodiments and descriptions thereof are used to explain the application. In the drawings:

fig. 1 is a schematic view of the overall structure of a door according to a preferred embodiment of the present application in a closed state;

FIG. 2 is a schematic view of the door of FIG. 1 in an open state;

FIG. 3 is a schematic view of the door of FIG. 1 in a half-opened state;

FIG. 4 is a schematic structural view of the anti-wind-seepage device of the door of FIG. 1 in a closed state;

fig. 5 is a schematic structural view of the anti-wind-seepage device of the door of fig. 1 in a door opening state.

Detailed Description

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The application provides a prevention of seepage wind device of door can solve the prevention of seepage wind problem of door when the leakproofness of door can't be strengthened through the mode of manual setting sealing strip, prevention of seepage wind device including can install in the installation department of door leaf 1 with install in the sealing strip 13 of installation department, the installation department sets up to going up and down along with opening and closing of door leaf 1 sealing strip 13, so that sealing strip 13 is in be not less than the door when door leaf 1 is opened and be in outstanding 5 under the door when door leaf 1 closes along 5.

That is, the anti-wind-leakage device is installed on the door leaf 1 through an installation part provided with the sealing strip 13, and the installation part can be lifted and lowered in response to the opening and closing of the door and drives the sealing strip 13 to lift and lower. When the door is opened, the sealing strip 13 is not lower than the lower edge 5 of the door, so that the door is prevented from being blocked; when the door is closed, the sealing strip 13 can protrude from the lower edge 5 of the door, so that movable sealing between the lower edge 5 of the door and the ground 11 is realized when the door is closed.

There are various structural styles that can achieve the lifting of the mounting part with the opening and closing of the door. For example, the mounting portion may include a lead screw or a worm wheel coupled with the rotation of the door leaf 1, and the lead screw or the worm wheel may be engaged with a nut or a worm to drive the nut or the worm to ascend and descend when the lead screw or the worm wheel rotates. Preferably, the mounting portion includes a pressing mechanism provided on the door leaf 1 and a biasing mechanism provided on the door leaf 1, the sealing strip 13 is connected to the biasing mechanism to provide an upward biasing force to the sealing strip 13 by the biasing mechanism, the pressing mechanism includes a pressing member that applies a downward pressure to the sealing strip 13, and the pressing mechanism is provided to be capable of lifting and lowering the pressing member as the door leaf 1 is opened and closed.

That is, the lifting and lowering of the sealing strip 13 is mainly realized by the upward biasing force provided by the biasing mechanism and the downward pressure provided by the pressing mechanism during the opening and closing of the door. Specifically, at the time of opening the door, the weather strip 13 is lifted by an upward biasing force given thereto by the biasing mechanism to allow the door to be opened smoothly; the seal strip 13 is lowered by downward pressure provided thereto by the pressing mechanism against the biasing force of the biasing mechanism when the door is closed to effect a seal when the door is closed.

There are many possible configurations of the pressing mechanism capable of providing the sealing tape 13 with downward pressure against the biasing force of the biasing mechanism as the door is closed, and preferably, the pressing mechanism includes a push-pull rod 20, a pressing rod 26, and a pressing shaft 25; wherein, the pressing shaft 25 is fixedly installed inside the door leaf 1, the pressing rod 26 can rotate around the pressing shaft 25 and apply downward pressure towards the sealing strip 13, one end of the push-pull rod 20 is rotatably connected with the pressing rod 26, the other end of the push-pull rod 20 is arranged to be biased at a position extending out of the door shaft edge 4 of the door leaf 1, and when the door is closed, the push-pull rod 20 can move under the pressing action of the door shaft frame 10, so as to generate pressure on the pressing rod 26, so that the pressing rod 26 rotates around the pressing shaft 25 under the action of the pressure and applies downward pressure on the sealing strip 13.

In order to ensure that the push-pull rod 20 can provide a horizontally stable pressure to the pressing rod 26 so that the pressing rod 26 can more reliably press the sealing tape 13, it is preferable that the pressing mechanism includes a guide structure for guiding the push-pull rod 20 to move horizontally under the pressing action of the door frame 10, and a push-pull rod fixing ring 21 may be provided at an end of the push-pull rod 20 adjacent to the pressing rod 26, through which the push-pull rod 20 passes.

Meanwhile, the pressing shaft 25 may be provided to be connected to a middle portion of the pressing rod 26, wherein the push-pull rod 20 is connected to a first end of the pressing rod 26, and a second end of the pressing rod 26 is used to press the sealing tape 13, so that the push-pull rod 20 can apply an appropriate moment to the pressing rod 26 to ensure that the second end of the pressing rod 26 can press the sealing tape 13 downward against the biasing force.

In order to further ensure the reliable connection between the push-pull rod 20 and the pressing rod 26, a push-pull groove 24 may be disposed at a first end of the pressing rod 26, and the push-pull rod 20 may be disposed to be capable of moving along the push-pull groove 24, so as to provide a certain degree of freedom in sliding while the pressing rod 26 is capable of rotating relative to the push-pull rod 20, thereby improving the flexibility of the mechanism and avoiding the jamming. In order to reduce the friction force to which the push-pull rod 20 is subjected during the movement of the push-pull groove 24, it is preferable that a push-pull driving shaft 22 and a push-pull driving wheel 23 are provided in the push-pull groove 24, the push-pull driving wheel 23 being rotatable about the push-pull driving shaft 22, the push-pull rod 20 being provided in connection with the push-pull driving wheel 23. Thus, when the push-pull rod 20 is horizontally moved by being pressed by the door hinge frame 10, the push-pull driving wheel 23 is driven to roll in the push-pull groove 24 while rotating around the push-pull driving shaft 22.

Meanwhile, in order to ensure the effect of the pressing rod 26 pressing the weatherstrip 13, a pressing wheel 28 may be provided at a second end of the pressing rod 26, and the second end of the pressing rod 26 is connected to the pressing wheel 28; furthermore, in order to ensure a secure connection of the pressing lever 26 to the pressing wheel 28, a pressing follower shaft 27 is provided at a second end of the pressing lever 26, and the pressing wheel 28 is arranged to be rotatable about the pressing follower shaft 27.

In order to facilitate the pressing mechanism to uniformly drive the sealing strip 13 to move in the extending direction of the sealing strip 13 by pressing the sealing strip 13, the biasing mechanism is preferably configured to include a lifting frame 12, for example, the lifting frame 12 can be configured to be embedded in the door leaf 1, and the lifting frame 12 can move up and down along the door side edge 3 and the door axis edge 4, and the sealing strip 13 is attached to the lower edge of the lifting frame 12; meanwhile, the pressing lever 26 is provided to be able to press the crane 12. On the one hand, the crane 12 is of rigid construction with respect to the sealing strip 13, facilitating movement by pressing by the pressing bar 26; on the other hand, the weather strip 13 is attached to the crane 12, and thus the weather strip 13 can be moved as a whole while being kept stretched.

In order to ensure that the biasing means can provide a stable, upward biasing force to the sealing strip 13, it is preferred that the biasing means comprise lifting springs 15 arranged at both ends of the crane 12, preferably the lifting springs 15 are mounted inside the door leaf 1 to avoid damage and interference with the operation of the door.

There are many ways to install the lifting spring 15 inside the door leaf 1, and it is preferable that a groove 14 is provided at both sides of the door leaf 1 near the lower edge 5 of the door, and the lifting spring 15 is installed in the groove 14. In order to ensure the lifting spring is firmly installed, a lifting spring fixing clip 16 may be provided at the lower end of the lifting spring 15.

As mentioned above, one end of the push-pull rod 20 is rotatably connected to the pressing rod 26, and the other end is configured to be biased to a position extending beyond the door shaft edge 4 of the door leaf 1, and in order to ensure that the other end of the push-pull rod 20 can be reliably biased to a position extending beyond the door shaft edge 4 of the door leaf 1, a biasing member 17 may be provided at the other end of the push-pull rod 20, and preferably, the biasing member 17 is sleeved on the push-pull rod 20 and fixed inside the door leaf 1.

In order to ensure that the biasing member 17 is reliably fixed to the inside of the door leaf 1, a biasing member fixing ring 19 may be provided at an end of the biasing member 17 closer to the inside of the door leaf 1; meanwhile, in order to measure the length of the end portion of the push-pull rod 20 protruding from the door shaft edge 4 for subsequent adjustment of the length according to the distance between the door lower edge 5 and the floor 11, a biasing member follower 18 may be provided at the other end of the biasing member 17. Specifically, the amount of compression of the biasing member 17 is controlled by fixing the biasing member follower 18 at different positions on the biasing member 17, thereby controlling the length of the push-pull rod 20 extending out of the door shaft 4.

The wind penetration preventing device of the present application will be described in detail with reference to the embodiments shown in the drawings, how to achieve the movable sealing between the door lower edge 5 and the ground 11.

As shown in fig. 1 to 5, the door having the anti-wind-leakage device according to this embodiment mainly includes a door leaf 1, a door upper edge 2, a door side edge 3, a door shaft edge 4, a door lower edge 5, hinges 6, a door frame 7, a door upper frame 8, a door side frame 9, a door shaft frame 10, a crane 12, a weather strip 13, a groove 14, a lifting spring 15, a lifting spring fixing clip 16, a biasing member 17, a biasing member follower clip 18, a biasing member fixing ring 19, a push-pull rod 20, a push-pull rod fixing ring 21, a push-pull driving shaft 22, a push-pull driving wheel 23, a push-pull groove 24, a pressing shaft 25, a pressing rod 26, a pressing driven shaft 27, and a pressing wheel 28. The door leaf 1 is connected with the door shaft frame 10 through a hinge 6, and the door is opened and closed by rotating with a straight line where the hinge 6 is located as an axis. The door frame 7 is fixed to the floor 11 by the door side frame 9 and the door spindle frame 10. In order to open the door without being affected by the floor 11, a gap is generally maintained between the door lower edge 5 and the floor 11.

When the door is opened, as shown in fig. 2, 3 and 5, during the rotation of the door leaf 1 around the hinge 6, the door shaft 4 is gradually disengaged from the door shaft frame 10, the push-pull rod 20 automatically moves towards the door shaft 4 under the action of the biasing member 17, and the end of the push-pull rod protrudes out of the door shaft 4 by a certain length, wherein the protruding length can be adjusted according to the gap between the door leaf 1 and the ground 11. When the push-pull rod 20 moves towards the door shaft 4, the push-pull driving wheel 23 rotating around the push-pull driving shaft 22 drives the pressing rod 26 to rotate clockwise in fig. 5, so that the pressing wheel 28 provides downward pressure to the lifting frame 12, and the lifting frame 12 and the sealing strip 13 attached to the lower edge of the lifting frame can not overcome the biasing force of the lifting spring 15 any more, and at the moment, the lifting frame 12 and the sealing strip 13 attached to the lower edge of the lifting frame are lifted upwards under the action of the upward biasing force provided by the lifting spring 15.

When the door is closed, as shown in fig. 1 and 4, as the door leaf 1 rotates around the hinge 6, the door shaft edge 4 and the door shaft frame 10 are gradually closed, when the door is closed tightly, the part of the push-pull rod 20 protruding out of the door shaft edge 4 touches the door shaft frame 10, at this time, the door shaft frame 10 starts to extrude the push-pull rod 20, the push-pull rod 20 drives the pressing rod 26 to rotate through the push-pull driving wheel 23 rotating around the push-pull driving shaft 22, and presses the lifting frame 12 through the pressing wheel 28 rotating around the pressing driven shaft 27 so as to overcome the upward biasing force provided by the lifting spring 15 and move downwards together with the sealing strip 13 attached to the lower edge of the lifting frame. When the door is fully closed, the sealing strip 13 is lowered to its lowermost position, in close proximity to the floor 11.

Furthermore, according to another aspect of the present application, there is also provided a door comprising a door leaf 1 and a wind penetration preventing device of the door of the present application.

According to the technical scheme of this application, can effectively solve the crack and ooze the wind problem, when avoiding oozing indoor pollution and the energy waste that the wind leads to because of the crack, also effectively improve the sound-proof performance of door.

The preferred embodiments of the present application have been described above in detail, however, the present application is not limited to the details of the above embodiments, and various simple modifications may be made to the technical solution of the present application within the technical idea of the present application, and these simple modifications all belong to the protection scope of the present application.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described in the present application.

In addition, any combination of the various embodiments of the present application can be made, and the same should be considered as the disclosure of the present invention as long as the combination does not depart from the spirit of the present application.

Claims

1. The utility model provides a wind device of preventing seepage of door, its characterized in that, wind device of preventing seepage of door including can install in the installation department of door leaf (1) with install in sealing strip (13) of installation department, the installation department sets up to rise and fall along with the opening and closing of door leaf (1) sealing strip (13), so that sealing strip (13) are in be not less than door lower limb (5) when door leaf (1) are opened and outstanding in door lower limb (5) when door leaf (1) are closed.

2. The door anti-wind-penetration apparatus according to claim 1, wherein the mounting portion comprises a pressing mechanism provided on the door leaf (1) and a biasing mechanism provided on the door leaf (1), the sealing strip (13) being connected to the biasing mechanism to provide an upward biasing force to the sealing strip (13) by the biasing mechanism, the pressing mechanism comprising a pressing member for applying a downward pressure to the sealing strip (13), the pressing mechanism being configured to be capable of lifting and lowering the pressing member as the door leaf (1) is opened and closed.

3. The door anti-wind-penetration apparatus according to claim 2, wherein the pressing mechanism comprises a push-pull rod (20), a pressing rod (26) and a pressing shaft (25), the pressing shaft (25) is fixedly mounted on the door leaf (1), the pressing rod (26) can rotate around the pressing shaft (25) and apply downward pressure towards the sealing strip (13), the push-pull rod (20) is rotatably connected with the pressing rod (26), and the end of the push-pull rod (20) is biased to a position extending out of the door leaf (1) along the door axis (4) so as to be movable under the pressing action of the door axis frame (10).

4. The door anti-wind apparatus according to claim 3, wherein: the pressing mechanism comprises a guiding structure for guiding the push-pull rod (20) to horizontally move under the extrusion action of the door spindle frame (10); and/or the pressing shaft (25) is connected to the middle part of the pressing rod (26), the push-pull rod (20) is connected to the first end of the pressing rod (26), and the second end of the pressing rod (26) presses the sealing strip (13).

5. The door anti-wind-seepage device according to claim 3, wherein a first end of the pressing rod (26) is provided with a push-pull groove (24), and the push-pull rod (20) is arranged to be capable of moving along the push-pull groove (24); and/or a pressing wheel (28) is arranged at the second end of the pressing rod (26).

6. The door wind leakage preventing device according to claim 3, wherein the biasing mechanism comprises a lifting frame (12), the sealing strip (13) is attached to the lower edge of the lifting frame (12), and the pressing rod (26) presses the lifting frame (12).

7. Anti-wind-penetration device for door according to claim 6, characterized in that the biasing mechanism comprises a lifting spring (15) disposed at both ends of the lifting frame (12), the lifting spring (15) being mounted to the door leaf (1).

8. The door anti-seepage device according to claim 7, wherein grooves (14) are formed on two sides of the door leaf (1), and the lifting spring (15) is installed in the grooves (14).

9. Anti-wind penetration device according to any one of claims 3 to 8, wherein the pressing mechanism comprises a biasing member (17) for biasing the push-pull rod (20) in a position such that the end portion thereof protrudes beyond the door axis (4), the biasing member (17) being fitted over the push-pull rod (20) and fixed to the door leaf (1).

10. Door, characterized in that it comprises said leaf (1) and the wind-tight device of the door according to any one of claims 1 to 9.