CN215595338U

CN215595338U - Board house door with automatic re-setting structure

Info

Publication number: CN215595338U
Application number: CN202120206601.3U
Authority: CN
Inventors: 何涌
Original assignee: China MCC5 Group Corp Ltd
Current assignee: China MCC5 Group Corp Ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2022-01-21
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a board house door with an automatic reset structure, and relates to the technical field of board house structures. In this case, since the weight tends to return to the naturally hanging state, the weight can apply a force to the door to cause the door to turn toward the door-closed side, and the door can return to the closed state naturally. The utility model has the advantages of convenient installation and simple structure.

Description

Board house door with automatic re-setting structure

Technical Field

The utility model relates to the technical field of board house structures, in particular to a board house door with an automatic reset structure.

Background

At present, most offices in construction sites are of a board house structure, spring reset mechanisms are not arranged at door leaves and door frames of the offices, the door leaves cannot automatically reset after the doors are opened, and the heat preservation effect of the offices is influenced to a certain extent. For the construction project, the spring return mechanism is additionally arranged at the door leaf and the door frame of the temporary plank house, so that the higher customized installation cost is realized, and the difficulty in dismounting the door leaf and the door frame can be caused when the plank house is required to be dismounted after the project is finished. Therefore, it is an urgent technical problem to provide a plank house door with a reset structure which is convenient to assemble and disassemble and simple in principle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a board room door, which can realize automatic reset of a door leaf after the door is opened.

The embodiment of the utility model is realized by the following steps:

a board room door having an automatic reset structure, comprising a door frame and a door leaf, wherein the door leaf is hinged to one inner side of the door frame so as to be horizontally rotated with respect to the door frame to selectively open or close the door, the automatic reset structure comprising:

the connecting part is detachably connected to the top edge of the door frame;

the counterweight is hung on the connecting part through a flexible rope and is positioned on a rotating path in the door opening process of the door leaf;

the door leaf is in a natural falling state when the door leaf is closed, the door leaf is in contact with the counter weight in the door opening process and drives the counter weight to move along with the door leaf, and therefore the counter weight applies force to the door leaf to enable the door leaf to have a tendency of rotating towards the closed door side.

Preferably, the connection portion includes:

the door leaf comprises an insertion piece, wherein the insertion piece is used for being inserted into a gap formed by a top edge of the door leaf and a top edge of a door frame when the door leaf is closed, the insertion piece is provided with two ends which respectively extend out of the front side and the rear side of the door frame, the two ends of the insertion piece are respectively and fixedly connected with clamping blocks, and the clamping blocks on the two sides are oppositely arranged and used for clamping the top edge of the door frame between the two clamping blocks.

Preferably, the clamping blocks are made of elastic materials, and the clamping blocks on the two sides are in pressing contact with the top edge of the door frame.

Preferably, the end parts of the inserting pieces extending out of the front side and the rear side of the gap are respectively provided with connecting edges extending upwards, and the connecting edges are positioned outside one side of the clamping block at the same side, which is back to the top edge of the door frame;

the door frame also comprises two extrusion bolts which are respectively arranged outside the front side and the rear side of the top edge of the door frame, the thread ends of the extrusion bolts penetrate through the connecting edge on the same side and are contacted with the clamping block on the same side, and the axis of each extrusion bolt is arranged along the front-rear direction and is in threaded connection with the connecting edge penetrated by the extrusion bolt; the stroke of the compression screw relative to the connecting edge is configured to enable the threaded end thereof to contact and compress the clamping block.

Preferably, the clamping block is connected with the insert by a self-tapping screw penetrating through the clamping block and screwed on the end of the insert.

Preferably, the method further comprises the following steps: the extension arm and the counterweight are positioned on the same side relative to the door frame, the extension part extends towards the hinged part of the door leaf and the door frame in parallel with the top edge of the door frame, one end of the extension arm close to the hinged part of the door leaf and the door frame is connected with the end part of the insertion piece extending out of the gap, and the counterweight is hung on the other end of the extension arm through a flexible rope.

Preferably, the flexible rope is a nylon rope.

Preferably, the counterweight is a sand bag or a water bottle.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

the utility model hooks a counterweight through the connecting part, and the counterweight is contacted with the door surface of the door leaf of the board room in the door opening process of the door leaf, so that the state is changed from the natural falling state to the offset state. In this case, since the weight tends to return to the naturally hanging state, the weight can apply a force to the door to cause the door to turn toward the door-closed side, and the door can return to the closed state naturally. The utility model has the advantages of convenient installation and simple structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an embodiment 1 of the present invention, wherein a door leaf is closed and a counterweight is in a natural falling state;

fig. 2 is a schematic view illustrating that a door leaf drives a counterweight to move during a door leaf opening process in embodiment 1 of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 4 is a partially enlarged schematic view of a portion a in fig. 2.

[ description of specific symbols ]:

1-door frame, 11-top edge of door frame, 12-gap;

2-door leaf, 21-door leaf top edge;

3-connecting part, 31-inserting piece, 32-clamping block, 33-connecting edge and 34-extruding screw;

4-a counterweight;

5-a flexible cord;

6-extension arm.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance.

Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present invention do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 and 2, the present embodiment 1 provides a board room door having an automatic reset structure, which includes a door frame 1 and a door leaf 2, wherein the door leaf 2 is hinged to one inner side of the door frame 1 so as to be capable of horizontally rotating relative to the door frame 1 to selectively open or close the door, and the automatic reset structure includes:

the connecting part 3 is detachably connected to the top edge 11 of the door frame;

the counterweight 4 is hung on the connecting part 3 through a flexible rope 5, and the counterweight 4 is positioned on a rotating path in the door opening process of the door leaf 2;

referring to fig. 1, it can be seen that the counterweight 4 is in a natural falling state when the door leaf 2 is closed, and referring to fig. 2, it can be seen that the door leaf 2 contacts the counterweight 4 during the door opening process and drives the counterweight 4 to move along with the counterweight 4, so that the counterweight 4 applies a force to the door leaf 2, which makes the door leaf 2 have a tendency to rotate towards the side of closing the door.

In this embodiment, the counterweight 4 is in a natural falling state (i.e. the counterweight 4 is only in a balanced state by its vertical gravity and the vertical gravity of the flexible rope 5) when the door leaf 2 is closed under the action of its own gravity. Therefore, when the door leaf 2 contacts the counterweight 4 in the door opening process, the counterweight 4 is changed from the natural falling state to the offset state, and has the tendency of returning to the natural falling state under the action of the self weight. The above-mentioned offset state is that the assigned weight 4 is offset from the natural falling state, so that at least some sections of the flexible rope 5 connected with the assigned weight are no longer perpendicular to the horizontal plane. At this time, the door leaf 2 receives the force applied thereto by the counterweight 4, and after the manual force is lost, the entire door leaf 2 spontaneously rotates toward the door closing side, thereby realizing the reset.

The automatic re-setting structure in board room door that this embodiment provided compares in the middle of the spring mechanism of traditional mode, and is more simple in principle, the structural reseing, is particularly useful for the board room door that the live time is limited and finally need dismantle. Wherein, the weight 4 can adopt a sand bag or a water bottle which is visible everywhere and is easy to obtain, so as to reduce the manufacturing requirement of the whole structure.

Obviously, for connecting portion 3, need consider connection stability and loading and unloading convenience simultaneously, it is significant to promoting whole automatic re-setting device's practicality to provide one kind can compromise connection stability and convenient assembling connecting portion 3. In another embodiment, the connecting portion 3 is mainly composed of an adhesive sheet and a hook formed on the adhesive sheet, the adhesive sheet is directly adhered on the top edge of the doorframe 1, and the end of the flexible rope 5 is tied on the hook, but in the actual use, we find that: the top edge 11 of the door frame of a board door is susceptible to expansion under the influence of temperature, and there is a large difference between the rate of expansion of the adhesive wafer and the top plate 11 of the frame, which can cause the wafer to lose its adhesion after a period of use.

Therefore, as a preferred embodiment, please refer to fig. 3, in this embodiment, the connection portion 3 includes:

the inserting piece 31 is used for being inserted into a gap 12 formed by the door leaf top edge 21 and the door frame top edge 11 when the door leaf 2 is closed, the inserting piece 31 is provided with two ends respectively extending out of the front side and the rear side of the door frame 1, the two ends of the inserting piece 31 are respectively and fixedly connected with clamping blocks 32, and the clamping blocks 32 on the two sides are oppositely arranged and clamp the door frame top edge 11 between the two clamping blocks.

The insert 31 is used to connect the two side holding blocks 32, so that the two side holding blocks 32 can hold the top edge 11 of the door frame. In addition, as is known, the door 2 is hinged in the door frame 1, gaps are left between the door 2 and the top edge, the bottom edge and the inner side edges of the two sides of the door frame 1, and the top edge 11 of the door frame is the part forming the top of the frame body of the door frame 1.

It will be appreciated that if the two gripping blocks 32 described above are implemented with a rigid grip on the top edge 11 of the door frame, they will cause some inconvenience during the loading and unloading phases. Therefore, in this embodiment, the holding block 32 is made of an elastic material, and the holding blocks 32 on both sides are in pressing contact with the top edge 11 of the doorframe, that is, the holding blocks 32 on both sides are elastically deformed to press and hold the top edge 11 of the doorframe, so that the contact manner between the holding blocks 32 and the top edge 11 of the doorframe can be ensured to be elastic contact, and the installation requirement can be reduced.

Furthermore, in this embodiment, the end portions of the inserting pieces 31 extending out of the front side and the rear side of the slot 12 are respectively formed with a connecting edge 33 extending upward, and the clamping blocks 32 on the same side of the connecting edge 33 are back to the outside of the top edge 11 of the door frame;

the door frame further comprises two extrusion bolts which are respectively arranged outside the front side and the rear side of the top edge 11 of the door frame, the thread ends of the extrusion bolts penetrate through the connecting edge 33 on the same side and are in contact with the clamping block 32 on the same side, and the axis of the extrusion bolt 34 is arranged along the front-rear direction and is in threaded connection with the connecting edge 33 penetrated by the extrusion bolt; the stroke of the compression screw 34 relative to the connecting edge 33 is configured to cause its threaded end to contact and compress the clamping block 32.

Due to the threaded connection between the pressing screw 34 and the connecting edge 33, the pressing screw 34 can move forward and backward relative to the connecting edge 33, so as to press the clamping blocks 32 at both sides, and the clamping blocks 32 at both sides are elastically deformed and firmly clamp the top edge 11 of the doorframe. More specifically, as for the holding block 32, in the present embodiment, it is made of rubber and is connected to the male tab 31 by a tapping screw (not shown) penetrating the holding block 32 and screwed on the end of the male tab 31. The practitioner can also directly adhesively secure the tab 31 and the gripping block 32.

More importantly, the position of the counterweight 4 contacting the door 2 is the position of the door 2 receiving force. According to the principle of moment arm, the farther away this position is from the hinge joint of the door leaf 2 and the door frame 1, the lower the weight requirement for the counterweight 4. Therefore, in order to reduce the weight requirement for the counterweight 4, please refer to fig. 4, in this embodiment, the method further includes: the extension arm 6 and the counterweight 4 are positioned on the same side relative to the door frame 1, the extension part extends towards the hinged part departing from the door leaf 2 and the door frame 1 in parallel with the top edge 11 of the door frame, one end of the extension arm 6 close to the hinged part of the door leaf 2 and the door frame 1 is connected with the end part of the inserting sheet 31 extending out of the gap 12, and the counterweight 4 is hung on the other end of the extension arm 6 through the flexible rope 5.

Because the extension arm 6 extends towards the hinged part departing from the door leaf 2 and the door frame 1 in parallel with the top edge 11 of the door frame, the force arm of the force applied to the door leaf 2 by the counterweight 4 is increased, and the weight requirement on the counterweight 4 is further reduced. Of course, the operator may dispense with the extension arm 6, so that the weight 4 is directly hung on the insert 31 through the flexible rope 5, and at this time, the position of the insert 31 in the gap 12 only needs to be as far away from the hinge (in this embodiment, the hinge) as possible.

More specifically, in the present embodiment, the flexible cord 5 is a nylon cord. The nylon rope has the advantages of being strong and durable and low in implementation cost, and other flexible ropes 5 such as plastic soft ropes can be selected by implementers to replace the nylon rope.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A board room door with an automatic reset structure comprises a door frame and a door leaf, wherein the door leaf is hinged with the inner side edge of one side of the door frame so as to enable the door leaf to horizontally rotate relative to the door frame to selectively open or close the door, and the automatic reset structure comprises:

the connecting part is detachably connected to the top edge of the door frame;

2. The board room door having the automatic return structure of claim 1, wherein the connecting portion comprises:

3. The board room door with the automatic reset structure as claimed in claim 2, wherein the holding block is made of elastic material, and the holding block is pressed and contacted with the top edge of the door frame.

4. The board room door with the automatic reset structure as claimed in claim 3, wherein the ends of the inserting pieces extending out of the front and rear sides of the slit are respectively formed with connecting edges extending upward, and the connecting edges are located outside the side of the clamping block at the same side, which is back to the top edge of the door frame;

5. The board door having an automatic return structure as claimed in claim 4, wherein the clamping block is connected to the insert by a tapping screw penetrating the clamping block and screwed on an end of the insert.

6. The board room door having an automatic return structure according to claim 4, further comprising: the extension arm and the counterweight are positioned on the same side relative to the door frame, the extension part extends towards the hinged part of the door leaf and the door frame in parallel with the top edge of the door frame, one end of the extension arm close to the hinged part of the door leaf and the door frame is connected with the end part of the insertion piece extending out of the gap, and the counterweight is hung on the other end of the extension arm through a flexible rope.

7. The board room door with the automatic return structure of claim 1, wherein the flexible string is a nylon string.

8. The board room door with automatic reset structure as claimed in claim 1, wherein the weight is a sand bag or a water bottle.