CN212535522U - Automatic closing sliding door - Google Patents

Abstract

The utility model belongs to the technical field of automatic doors, and discloses an automatic closing sliding door, which comprises a sliding door body, wherein the sliding door body is arranged on the side surface of a guardrail and is parallel to the guardrail, and an upper opening of the guardrail can be opened or closed; the guide rail is laid below the sliding door body, and the sliding door body is connected to the guide rail in a sliding manner; the sliding plate is fixedly arranged at the top of the guardrail and is in sliding connection with the top of the sliding door body; the automatic door closer is arranged on the sliding plate, connected with the sliding door body and capable of drawing the sliding door body to close; and the limiting plate is arranged at the opening and on one side opposite to the sliding plate, and when the automatic door closer pulls the sliding door body to be stopped against the limiting plate, the sliding door body is in a door closing state. The utility model discloses a set up the bottom and the top of push-and-pull door body into sliding connection respectively, reduced the sliding friction power of push-and-pull door body, more be favorable to closing of push-and-pull door body to reset, be particularly useful for the automatic door installation that the opening part guardrail height is lower and do not have the lintel.

Description

Automatic closing sliding door

Technical Field

The utility model relates to an automatically-controlled door technical field especially relates to an automatic closed push-and-pull door.

Background

The automatic door improves the convenience of users, can prevent the door from being opened all the time, and plays a great role in energy conservation, convenience and safety.

In some cities and building engineering projects, some steel guardrails are often adopted for protection, and meanwhile, the steel guardrails are often required to be provided with opening positions, so that people can conveniently go in and out. The opening on the guardrail both need often be in the closed condition, need conveniently open when someone passes in and out again, conveniently closes. The existing steel guardrail structure is low in height, does not have a door head, does not have the condition of conventionally installing an automatic door, is manually opened and closed, and is not convenient enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic closed push-and-pull door to solve the guardrail height and low and do not have the automatically-controlled door installation problem of lintel.

To achieve the purpose, the utility model adopts the following technical proposal:

an automatically closing sliding door comprising:

the sliding door body is arranged on the side face of the guardrail and is parallel to the guardrail, the length of the sliding door body is larger than the width of the upper opening of the guardrail, and the upper opening of the guardrail can be opened or closed;

the guide rail is laid below the sliding door body, and the sliding door body is connected to the guide rail in a sliding mode;

the sliding plate is fixedly arranged at the top of the guardrail and is in sliding connection with the top of the sliding door body;

the automatic door closer is arranged on the sliding plate and connected with the sliding door body; when the sliding door body is in a door opening state, the automatic door closer can pull the sliding door body to close;

the limiting plate is arranged on one side, opposite to the sliding plate, of the opening, and the automatic door closer pulls the sliding door body to be stopped against the limiting plate, so that the sliding door body is in a door closing state.

Optionally, the guide rail is higher at a distal end than at a proximal end from the opening, forming a tilt.

Optionally, the guide rail has a roll angle of 1-2 °.

Optionally, the bottom of the sliding door body is provided with a bearing roller, the bearing roller comprises at least two rollers, and the rollers are connected with the guide rails in a sliding fit manner.

Optionally, the slide is the U template that the opening is decurrent, and one side is fixed on the guardrail, the slide inboard is provided with two at least bearings, the top clamp of push-and-pull door body is located two at least between the bearing.

Optionally, the at least two sliding plates are arranged on the guardrail at the same side of the opening at intervals.

Optionally, a cushion block is arranged on one side, facing the opening, of the limiting plate, and when the sliding door body is in a door closing state, the sliding door body can be stopped against the cushion block.

Optionally, the automatic closing sliding door further comprises a hook, the hook is rotatably connected to the sliding door body, and when the sliding door body is in a door closing state, the hook can lock or unlock the sliding door body.

Optionally, the automatically closing sliding door further comprises a handle, and the handle is arranged at the top of the sliding door body.

Optionally, the handle is taller than the top of the sled.

The utility model has the advantages that:

the sliding door body is provided with the guide rail at the bottom for sliding connection, so that the sliding friction force of the sliding door body is reduced, and the sliding door body is more favorable for closing and resetting; the sliding plate is arranged at the top of the guardrail and is in sliding connection with the sliding door body, so that the sliding door body can be prevented from overturning, and the stable sliding of the sliding door body is ensured; the sliding plate is arranged at the top of the guardrail on one side of the opening, the sliding door body can automatically return to close the door under the traction of the automatic door closer, and the sliding door is particularly suitable for the installation of the automatic door with the lower guardrail at the opening and without a door head.

Drawings

Fig. 1 is a schematic view of an installation structure of an automatic closing sliding door provided by the present invention;

fig. 2 is an installation side view of the automatic closing sliding door of the present invention;

FIG. 3 is an enlarged view of area C of FIG. 2;

FIG. 4 is an enlarged view of area B of FIG. 2;

fig. 5 is a schematic structural view of an embodiment of a limiting plate in the automatic closing sliding door according to the present invention;

fig. 6 is an enlarged view of the area a in fig. 1.

In the figure:

100. a guardrail; 1, a sliding door body; 2, a guide rail; 3, sliding plate;

4. an automatic door closer; 5, limiting the plate; 6, rolling wheels; 7, a bearing;

8. cushion blocks; 9, reinforcing ribs; 10, hanging a hook; a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model provides an automatic closing sliding door, which comprises a sliding door body 1, a guide rail 2, a sliding plate 3, an automatic door closer 4 and a limiting plate 5, wherein the sliding door body 1 is arranged on the side surface of a guardrail 100 and is arranged in parallel with the guardrail 100, the length of the sliding door body 1 is larger than the width of an upper opening of the guardrail 100, and the upper opening of the guardrail 100 can be opened or closed; the guide rail 2 is laid below the sliding door body 1, and the sliding door body 1 is connected to the guide rail 2 in a sliding manner; the sliding plate 3 is fixedly arranged at the top of the guardrail 100 and is in sliding connection with the top of the sliding door body 1; the automatic door closer 4 is arranged on the sliding plate 3 and connected with the sliding door body 1; when the sliding door body 1 is in a door opening state, the automatic door closer 4 can pull the sliding door body 1 to close; the limiting plate 5 is arranged at one side of the opening and opposite to the sliding plate 3, and when the automatic door closer 4 pulls the sliding door body 1 to be stopped against the limiting plate 5, the sliding door body 1 is in a door closing state.

According to the automatic closing sliding door, the sliding door body 1 is connected to the bottom guide rail 2 in a sliding mode to open or close the opening in the guardrail 100, and the sliding door is suitable for the condition that the height of the guardrail is low and a door head does not exist. Set up slide 3 at guardrail 100 top and can prevent that push-and-pull door body 1 from taking place to topple at the operation in-process, ensure the steady operation of push-and-pull door body 1. Wherein, between push-and-pull door body 1 and slide 3, between push-and-pull door body 1 and the guide rail 2, be sliding connection, consequently greatly reduced relative motion's frictional force, be favorable to the reply of push-and-pull door body 1 to close the door.

More advantageously, the rail 2 is higher at the distal end from the opening than at the proximal end, forming a tilting. As shown in fig. 1, the guide rail 2 is designed to have a far end and a near end at the end farthest from the opening in the length direction of the guardrail 100, and the far end is higher than the near end and the other end is a near end, so that when the sliding door body 1 is close to the far end, the sliding door body 1 can move towards the opening automatically closing direction under the action of gravity of the sliding door body 1, thereby greatly reducing the traction force of the automatic door closer 4 and saving energy. Preferably, the guide rail 2 has a roll angle of 1-2 °, and if the roll angle is too large, the resistance when opening the door is affected or increased, so the design is 1-2 °, so that the sliding door body 1 can automatically close the door under the combined action of the gravity formed on the guide rail 2 and the traction force of the automatic door closer 4.

For better and the cooperation of guide rail 2, the bottom of push-and-pull door body 1 is equipped with the bearing gyro wheel, and the bearing gyro wheel includes two at least gyro wheels 6, and sliding fit is connected between gyro wheel 6 and the guide rail 2. As shown in fig. 2 and 3, in an embodiment, the guide rail 2 may be designed as a convex guide rail, the roller 6 is a concave wheel, and the concave wheel is matched with the convex guide rail, so as to play a role of guiding and supporting, and simultaneously, the friction between the sliding door body 1 and the guide rail 2 can be greatly reduced by rolling the roller 6 on the guide rail 2, thereby facilitating the door opening or closing movement of the sliding door body 1.

As shown in fig. 4, in the utility model, slide 3 is the downward U template of opening, and one side is fixed on guardrail 100, and slide 3 inboard is provided with two at least bearings 7, and the top clamp of push-and-pull door body 1 is located between two at least bearings 7. On the one hand, slide 3 can play the effect at 1 top of fixed push-and-pull door body, prevents that the top of push-and-pull door body 1 from toppling, and on the other hand sets up the bearing in slide 3, can be so that form rolling friction between slide 3 and the push-and-pull door body 1, reduces frictional force, is favorable to opening the door or the motion of closing the door of push-and-pull door body 1. As can be seen from fig. 4, the sliding door body 1 and the guardrail 100 are both located in the U-shaped opening of the sliding plate 3, so that the linear motion of the sliding door body 1 can be stabilized, and the sliding door body is prevented from shaking. Preferably, the bearings 7 used are rolling bearings, in particular CF bearings, which are simple in structure and easy to install.

The slide 3 is at least two, and at least two slide 3 intervals are arranged on the same side of the opening. As shown in fig. 1, two sliding plates 3 are provided in this embodiment, and are spaced apart from each other on the guardrail 100 and are disposed on the same side of the opening corresponding to the guide rail 2. When sliding door body 1 moved to relevant position's slide 3, the top of sliding door body 1 realized the top spacing and slided with bearing 7 cooperation, to the great sliding door body 1 of length, can set up a plurality of slides 3 at the interval to carry out spacing prevention to sliding door body 1 and topple and rock etc..

To limiting plate 5, be equipped with cushion 8 towards open-ended one side on limiting plate 5, when push-and-pull door body 1 stopped to support on cushion 8, push-and-pull door body 1 is in the state of closing the door. As shown in fig. 5, the limiting plate 5 is preferably a rectangular Z-shaped plate, one side of the limiting plate is fixedly connected with the guardrail 100 through a screw, the corresponding right angle deviates from the upper opening of the guardrail 100, the other side of the limiting plate is a free end, the limiting plate is far away from the guardrail 100, and the corresponding right angle faces the opening side of the guardrail 100, so that the continuous movement of the sliding door body 1 can be limited while the sliding door body 1 is stopped. The cushion block 8 is arranged on the abutting surface, and preferably, the cushion block 8 is an elastic part, such as a spring or a rubber block and the like, and is fixed on the abutting surface, so that the sliding door body 1 is prevented from generating great noise and collision damage when being closed. Meanwhile, in order to strengthen the strength of the limiting plate 5, a reinforcing rib 9 is arranged in a right angle connected with the guardrail 100 so as to support two right-angle surfaces.

Further, as shown in fig. 6, the sliding door body 1 further includes a hook 10, the hook 10 is rotatably connected to the sliding door body 1, and when the sliding door body 1 is in the closed state, the hook 10 can lock or unlock the sliding door body 1. The purpose of setting up couple 10 is to prevent that push-and-pull door body 1 from opening by oneself when unnecessary, and couple 10 can collude on limiting plate 5 to can set up the lock on couple 10, in order to lock push-and-pull door body 1, prevent that push-and-pull door body 1 from being opened without permission and causing the risk of uncertainty.

Optionally, the utility model provides an automatic closed push-and-pull door still includes handle 11, and handle 11 is located push-and-pull door body 1's top. The arrangement of the handle 11 can facilitate the opening of the sliding door body 1.

Preferably, the handle 11 is higher than the top of the skateboard 3. As shown in fig. 4, when the sliding door body 1 is manually pushed toward the door opening direction, the handle 11 can stop on the first sliding plate 3, so as to prevent the sliding door body 1 from slipping out of the guide rail 2 due to excessive force. Accordingly, the first sliding plate 3, i.e. the position of the sliding plate 3 closest to the opening of the guardrail 100, should ensure that the opening is completely opened without the sliding door body 1 separating from the sliding plate 3.

According to the automatic closing sliding door, the sliding door body 1 is arranged on the guide rail 2, so that the automatic door can be installed without a door head and a door frame. Meanwhile, in order to facilitate the return and door closing of the sliding door body 1, the sliding door body 1 and the guide rail are in relative rolling connection, the sliding door body 1 and the sliding plate 3 are in relative rolling connection, and the inclined guide rail is arranged, so that the resistance of the sliding door body 1 in the moving process is greatly reduced, and the sliding door body 1 can be smoothly closed under the assistance of the automatic door closer 4 after being pushed open.

Foretell automatic door closer 4 is the conventional setting in this area, if can adopt the spooler, no longer gives details to its structure and theory of operation here, and it can pull push-and-pull door body 1 closed, and in this embodiment, push-and-pull door body 1 is under the closed condition, and operating personnel only need manual pulling push-and-pull door body 1 can pass through, and automatic door closer 4 can pull push-and-pull door body 1 closed afterwards, easy operation, safe and reliable.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An automatically closing sliding door, comprising:

the sliding door comprises a sliding door body (1) and a sliding door body, wherein the sliding door body (1) is arranged on the side face of a guardrail (100) and is parallel to the guardrail (100), the length of the sliding door body (1) is larger than the width of an upper opening of the guardrail (100), and the upper opening of the guardrail (100) can be opened or closed;

the guide rail (2) is laid below the sliding door body (1), and the sliding door body (1) is connected to the guide rail (2) in a sliding mode;

the sliding plate (3) is fixedly arranged at the top of the guardrail (100) and is in sliding connection with the top of the sliding door body (1);

the automatic door closer (4) is arranged on the sliding plate (3) and connected with the sliding door body (1), and the automatic door closer (4) can draw the sliding door body (1) to close;

the limiting plate (5) is arranged at the opening and on the side opposite to the sliding plate (3), the automatic door closer (4) pulls the sliding door body (1) to be stopped against the limiting plate (5), and the sliding door body (1) is in a door closing state.

2. The self-closing sliding door according to claim 1, characterised in that said guide (2) is higher at the distal end than at the proximal end from said opening, forming a tilting.

3. Automatic closing sliding door according to claim 2, characterised in that the side inclination of the guide (2) is 1-2 °.

4. The self-closing sliding door according to claim 1, characterised in that the bottom of the sliding door body (1) is provided with bearing rollers, the bearing rollers comprise at least two rollers (6), and the rollers (6) are connected with the guide rail (2) in a sliding fit manner.

5. The automatic closing sliding door according to claim 1, characterized in that the sliding plate (3) is a U-shaped plate with a downward opening, one side of the sliding plate is fixed on the guardrail (100), at least two bearings (7) are arranged on the inner side of the sliding plate (3), and the top of the sliding door body (1) is clamped between the at least two bearings (7).

6. The self-closing sliding door according to claim 5, characterized in that said sliding plates (3) are at least two, at least two of said sliding plates (3) being spaced apart on said rail (100) on the same side of said opening.

7. The self-closing sliding door according to claim 1, characterised in that the stop plate (5) is provided with a spacer (8) on the side facing the opening, and when the sliding door body (1) stops against the spacer (8), the sliding door body (1) is closed.

8. The self-closing sliding door according to claim 1, further comprising a hook (10), wherein the hook (10) is rotatably connected to the sliding door body (1), and when the sliding door body (1) is in the closed state, the hook (10) can lock or unlock the sliding door body (1).

9. The self-closing sliding door according to claim 1, further comprising a handle (11), said handle (11) being provided at the top of said sliding door body (1).

10. The self-closing sliding door according to claim 9, characterised in that the height of the handle (11) is higher than the top of the sliding plate (3).

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