CN213962890U

CN213962890U - Door curtain guide structure

Info

Publication number: CN213962890U
Application number: CN202022465774.5U
Authority: CN
Inventors: 何伟; 肖龙锦; 黄愉太
Original assignee: Shenzhen Juding Medical Device Co ltd
Current assignee: Shenzhen Ruili Medical Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-17
Anticipated expiration: 2030-10-30

Abstract

The embodiment of the application discloses door curtain guide structure includes: the roller guide rail structure comprises a profile guide rail structure and a roller sliding block positioned in the profile guide rail structure; an upper guide strip and a lower guide strip which are matched with the roller sliding block are arranged in the profile guide rail structure; the roller sliding block comprises a first roller, a second roller, a third roller and a fourth roller which are sequentially arranged along the sliding direction; the second roller and the third roller are connected with the upper guide bar to form an upper kinematic pair; the first roller and the fourth roller are connected with the lower guide strip to form a lower kinematic pair. The utility model discloses the stability of direction has effectively been improved.

Description

Door curtain guide structure

Technical Field

The application relates to guiding mechanism technical field especially relates to a door curtain guide structure.

Background

In the existing portable ward door opening and closing structure, the stand column of the door curtain is mostly cancelled and only the soft cloth door curtain is driven because of the stable guiding function of the stand column in the opening and closing process which can not be well solved. Therefore cause the door curtain to close the back, keep apart the ward door and can not effectively seal, cause isolation function greatly reduced, for this reason, the utility model provides a door curtain guide structure.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a door curtain guide structure for the stability of direction has effectively been improved.

In view of this, the present application provides a door curtain guide structure, including: the roller guide rail structure comprises a profile guide rail structure and a roller sliding block positioned in the profile guide rail structure;

an upper guide strip and a lower guide strip which are matched with the roller sliding block are arranged in the profile guide rail structure;

the roller sliding block comprises a first roller, a second roller, a third roller and a fourth roller which are sequentially arranged along the sliding direction;

the second roller and the third roller are connected with the upper guide bar to form an upper kinematic pair;

the first roller and the fourth roller are connected with the lower guide strip to form a lower kinematic pair.

Optionally, the second roller and the third roller are both provided with a first groove matched with the upper conducting bar in shape;

and the first roller and the fourth roller are provided with second grooves matched with the lower guide strip in shape.

Optionally, the number of the first roller, the second roller, the third roller and the fourth roller is two;

the two first idler wheels, the two second idler wheels, the two third idler wheels and the two fourth idler wheels are arranged side by side.

Optionally, the upper conducting bar and the lower conducting bar are both semicircular conducting bars.

Optionally, the upper kinematic pair is higher than the lower kinematic pair.

Optionally, a synchronous belt is arranged in the profile guide rail structure;

the roller sliding block is connected with the synchronous belt;

the synchronous belt is connected with a motor.

Optionally, a first cavity for passing through the synchronous belt is arranged in the profile guide rail structure.

Optionally, the four corners inside the profile guide rail structure are provided with second cavities for reinforcing the upper guide bar and the lower guide bar.

Optionally, a sensor cable is disposed within the second cavity.

Optionally, the material of the profile rail structure is an aluminum alloy.

According to the technical scheme, the embodiment of the application has the following advantages: the section bar guide rail structure is internally provided with an upper guide bar and a lower guide bar which are matched with the roller slide block, the roller slide block comprises a first roller, a second roller, a third roller and a fourth roller which are sequentially arranged along the sliding direction, and the second roller and the third roller are connected with the upper guide bar to form an upper kinematic pair; the first roller and the fourth roller are connected with the lower guide strip to form a lower kinematic pair. Through setting up the kinematic pair and moving pair down, the angle that the fore-and-aft direction overturned when can effectively reduce the motion to reduce impact, protection architecture, reduce the resistance, improve the stability of motion.

Drawings

FIG. 1 is a schematic structural view of a curtain guide in an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view of a curtain guide in an embodiment of the present application;

FIG. 4 is an enlarged detail view of portion A of FIG. 3;

wherein the reference numerals are:

1-a section bar guide rail structure, 2-a roller slide block, 3-a synchronous belt, 4-a motor, 11-a first cavity, 12-a second cavity, 13-a semicircular guide strip, 21-a first roller, 22-a second roller, 23-a third roller and 24-a fourth roller.

Detailed Description

In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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 application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The present application provides one embodiment of a curtain guide structure, please refer to fig. 1 to 4.

The door curtain guide structure in this embodiment includes: the section bar guide rail structure 1 and the roller slide block 2 are positioned in the section bar guide rail structure 1, an upper guide strip and a lower guide strip which are matched with the roller slide block 2 are arranged in the section bar guide rail structure 1, the roller slide block 2 comprises a first roller 21, a second roller 22, a third roller 23 and a fourth roller 24 which are sequentially arranged along the sliding direction, and the second roller 22 and the third roller 23 are connected with the upper guide strip to form an upper kinematic pair; the first roller 21 and the fourth roller 24 are connected with the lower guide strip to form a lower kinematic pair, and when external resistance is met, the upper kinematic pair and the lower kinematic pair can be simultaneously in contact with the guide rail for guiding, so that the overturning angle of the roller slider 2 is reduced.

It should be noted that: through setting up the kinematic pair and moving pair down, the angle that the fore-and-aft direction overturned when can effectively reduce the motion to reduce impact, protection architecture, reduce the resistance, improve the stability of motion.

The above is a first embodiment of a curtain guide structure provided in the embodiments of the present application, and the following is a second embodiment of a curtain guide structure provided in the embodiments of the present application, please refer to fig. 1 to 4 specifically.

The door curtain guide structure in this embodiment includes: the section bar guide rail structure 1 and the roller slide block 2 are positioned in the section bar guide rail structure 1, an upper guide strip and a lower guide strip which are matched with the roller slide block 2 are arranged in the section bar guide rail structure 1, the roller slide block 2 comprises a first roller 21, a second roller 22, a third roller 23 and a fourth roller 24 which are sequentially arranged along the sliding direction, and the second roller 22 and the third roller 23 are connected with the upper guide strip to form an upper kinematic pair; the first roller 21 and the fourth roller 24 are connected with the lower guide bar to form a lower kinematic pair.

The second roller 22 and the third roller 23 are both provided with first grooves matched with the shape of the upper conducting bar, and the first roller 21 and the fourth roller 24 are both provided with second grooves matched with the shape of the lower conducting bar.

The upper guide strip and the lower guide strip can be semicircular guide strips 13, when the upper guide strip and the lower guide strip are semicircular guide strips 13, the first groove and the second groove are semicircular grooves matched with the semicircular guide strips 13 in shape, and the accuracy and the stability of the movement mechanism can be guaranteed by arranging the semicircular guide strips 13. It is understood that the shapes of the upper conducting bar and the lower conducting bar may also be triangular or other shapes, which may be specifically configured according to actual needs, and are not limited herein.

The number of the first idler wheels 21, the second idler wheels 22, the third idler wheels 23 and the fourth idler wheels 24 is two, the two first idler wheels 21, the two second idler wheels 22, the two third idler wheels 23 and the two fourth idler wheels 24 are all arranged side by side, and the two first idler wheels, the two second idler wheels 22, the two third idler wheels 23 and the two fourth idler wheels 24 are respectively clamped into the semicircular guide strips 13 on the left side and the right side in the profile guide rail structure 1 through arrangement of the bilateral gear train, so that left and right separation during movement is prevented, and left and right movement accuracy is guaranteed.

The upper kinematic pair is higher than the lower kinematic pair, and the roller is prevented from being simultaneously contacted with the upper guide strip and the lower guide strip to form an opposite kinematic pair by setting a height difference.

A synchronous belt 3 is arranged in the profile guide rail structure 1, the roller sliding block 2 is connected with the synchronous belt 3, and the synchronous belt 3 is connected with a motor 4. Specifically, install the door curtain stand on the gyro wheel slider 2, realize the automatically-controlled door structure through the motion of motor 4 drive gyro wheel slider 2, the contact of hand AND gate when can effectively avoiding the switch door, to the application in portable negative pressure isolation ward, can effectively avoid appearing cross infection risk, it is more convenient to use simultaneously.

It should be noted that: the roller slider 2 and the synchronous belt 3 may be connected by an elastic pin, or may be connected by a latch or directly by a buckle, which is not limited herein.

The first cavity 11 for penetrating the synchronous belt 3 is arranged in the profile guide rail structure 1, and particularly, the sealed first cavity 11 is arranged in the middle of the upper portion in the profile guide rail structure 1, so that the stability of the synchronous belt 3 during movement can be guaranteed.

The four corners in the profile guide rail structure 1 are provided with second cavities 12 for strengthening the upper guide bar and the lower guide bar, so that the load of the guide rail can be effectively improved, and the deformation is prevented.

The sensor cable is arranged in the second cavity 12, and the protection effect of the cable is achieved.

The material of the section bar guide rail structure 1 can be aluminum alloy, and is firm and durable.

When the special implementation is carried out, the section bar guide rail structure 1 can be directly connected with the ward main body, and the roller slider 2 is connected with the door curtain upright post for use. It can be understood that 1 motor 4 can be adopted to drive the upper end and the lower end of the door curtain upright column, and the asynchronism caused by overlarge speed difference of the upper motor and the lower motor is effectively reduced.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A door curtain guide structure, comprising: the roller guide rail structure comprises a profile guide rail structure and a roller sliding block positioned in the profile guide rail structure;

2. The door curtain guide structure as claimed in claim 1, wherein the second roller and the third roller are each provided with a first groove matching the shape of the upper guide bar;

3. The curtain guide of claim 1 wherein the first, second, third and fourth rollers are each two in number;

4. The curtain guide of claim 1 wherein the upper and lower guide bars are each a semi-circular guide bar.

5. The curtain guide of claim 1 wherein the upper kinematic pair is taller than the lower kinematic pair.

6. The curtain guide of claim 1 wherein a timing belt is disposed within the profile guide track structure;

the roller sliding block is connected with the synchronous belt;

the synchronous belt is connected with a motor.

7. The curtain guide of claim 6 wherein the profile guide structure has a first cavity disposed therein for passage of the timing belt.

8. The door curtain guide structure as claimed in claim 1, wherein the profile rail structure is provided at four inner corners with second cavities for reinforcing the upper and lower guide bars.

9. The curtain guide of claim 8 wherein a sensor cable is disposed within the second cavity.

10. The curtain guide of claim 1 wherein the profile rail structure is an aluminum alloy.