CN110905383B

CN110905383B - Automatic opening and closing mechanism for soft screen door

Info

Publication number: CN110905383B
Application number: CN201911243950.6A
Authority: CN
Inventors: 蒋志孟
Original assignee: Anhui Jiaoyang Soft Door Co ltd
Current assignee: Anhui Jiaoyang Soft Door Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-11-17
Anticipated expiration: 2039-12-06
Also published as: CN110905383A

Abstract

The invention discloses an automatic opening and closing mechanism for a soft screen door, and relates to the technical field of screens. The door frame comprises a mounting frame arranged on an upper transverse frame of a door frame, a driving shaft is rotatably arranged in the mounting frame, and a strip-shaped hole is formed in a bottom plate of the mounting frame along the length direction of the driving shaft; a limiting sliding groove is arranged on the inner bottom surface of the bottom plate of the mounting frame; the limiting sliding chute is arranged along the length direction of the strip-shaped hole and is communicated with the strip-shaped hole; the driving shaft is provided with a first spiral groove and a second spiral groove; the first spiral groove and the second spiral groove are respectively positioned on two sides of the center of the driving shaft, and the rotating directions of the first spiral groove and the second spiral groove are opposite; a first sliding block is arranged in the first spiral groove. The invention replaces the traditional eccentric wheel and pull rope with the driving shaft with the spiral grooves with different rotation directions, so that the whole automatic opening and closing mechanism has small volume and longer service life, and the whole screen door is more beautiful.

Description

Automatic opening and closing mechanism for soft screen door

Technical Field

The invention belongs to the technical field of gauze, and particularly relates to an automatic opening and closing mechanism for a soft screen door.

Background

The magnetic soft screen door not only has good mosquito-proof effect and elegant appearance, but also is healthy, green and mosquito-proof without any chemical agent pollution, thus being deeply popular with consumers. Traditional to open screen door adopts the people to open with the hand when passing through more, this kind of mode of opening influences user's comfort level, along with this problem of effectual solution of appearance of the soft screen door of the progress automatic open close formula of science and technology, but the switching of current automatic open close formula screen door is many to be driven through eccentric wheel or stay cord, but uses the whole screen door of eccentric wheel area big influence pleasing to the eye, and uses the stay cord to drive when using for a long time the back stay cord and be used for the fracture.

Disclosure of Invention

The invention aims to provide an automatic opening and closing mechanism for a soft screen door, which solves the problems that the floor area of an eccentric wheel is large and the appearance of the whole screen door is influenced, and a pull rope is used for driving the pull rope to be broken after long-time use by using a driving shaft with spiral grooves with different rotation directions to replace the traditional eccentric wheel and pull rope.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an automatic opening and closing mechanism for a soft screen door, which comprises a mounting frame arranged on an upper transverse frame of a door frame, wherein a driving shaft is rotatably arranged in the mounting frame, and a strip-shaped hole is formed in a bottom plate of the mounting frame along the length direction of the driving shaft; a limiting sliding groove is formed in the inner bottom surface of the bottom plate of the mounting frame; the limiting sliding groove is arranged along the length direction of the strip-shaped hole and is communicated with the strip-shaped hole;

the driving shaft is provided with a first spiral groove and a second spiral groove; the first spiral groove and the second spiral groove are respectively positioned on two sides of the center of the driving shaft, and the rotating directions of the first spiral groove and the second spiral groove are opposite; a first sliding block is arranged in the first spiral groove; the first sliding block is connected with a second sliding block positioned in the limiting sliding groove through a first connecting rod; the second sliding block is arranged to be connected with the soft screen door; a third sliding block is arranged in the second spiral groove; the third sliding block is connected with a fourth sliding block positioned in the limiting sliding groove through a second connecting rod; the fourth sliding block is arranged to be connected with the soft screen door; one end of the driving shaft is in transmission connection with a driving part.

Further, the cross sections of the first spiral groove and the second spiral groove are both rectangular, and the first spiral groove and the second spiral groove have equal widths.

Further, the first spiral groove comprises a first left-handed groove and a first right-handed groove; the two ends of the first left-handed groove and the two ends of the first right-handed groove are communicated to form a loop; the second spiral groove comprises a second left-handed groove and a second right-handed groove; the second left-handed groove is communicated with the second right-handed groove to form a loop.

Further, the first left-handed groove, the first right-handed groove, the second left-handed groove and the second right-handed groove have the same thread pitch and the same number of turns.

Further, the first sliding block and the second sliding block are both in a shuttle shape.

Further, when the first sliding block is positioned at one end, far away from the second spiral groove, of the first left-handed groove, the third sliding block is positioned at one end, far away from the first spiral groove, of the second right-handed groove.

Furthermore, the second sliding block and the fourth sliding block are respectively connected with the two screen meshes of the soft screen door.

Furthermore, a first sliding block is fixedly connected with one end of the first connecting rod; the other end of the first connecting rod is rotatably connected with the second sliding block; the third slider is fixedly connected with one end of the second connecting rod, and the other end of the second connecting rod is rotatably connected with the fourth slider.

Furthermore, the upper ends of the two screen meshes of the soft screen door penetrate through the strip-shaped holes to be connected with the plurality of stop blocks; the stop block is positioned on the limiting sliding groove and is in sliding connection with the limiting sliding groove.

The invention has the following beneficial effects:

the invention uses the driving shaft with spiral grooves with different rotation directions to replace the traditional eccentric wheel and pull rope, so that the whole automatic opening and closing mechanism has small floor area, longer service life and more beautiful appearance.

Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an automatic opening and closing mechanism for a soft screen door according to the present invention;

FIG. 2 is a schematic structural view of a mounting frame of the automatic opening and closing mechanism for the soft screen door according to the present invention;

FIG. 3 is a schematic view showing the construction of a driving shaft of the automatic opening and closing mechanism for a soft screen door according to the present invention;

FIG. 4 is a schematic view of an installation structure of the first slider, the first connecting rod and the second slider;

FIG. 5 is a schematic view of an installation structure of a third slider, a second connecting rod and a fourth slider;

FIG. 6 is a schematic view of the automatic opening and closing mechanism for the soft screen door of the present invention closing the soft screen door;

in the drawings, the components represented by the respective reference numerals are listed below:

1-mounting frame, 2-driving shaft, 101-strip-shaped hole, 102-limiting sliding groove, 3-first spiral groove, 4-second spiral groove, 5-first sliding block, 6-first connecting rod, 7-second sliding block, 8-third sliding block, 9-second connecting rod, 10-fourth sliding block, 301-first left-handed groove, 302-first right-handed groove, 401-second left-handed groove, 402-second right-handed groove, 11-gauze and 12-stopper.

Detailed Description

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 only a part of the embodiments of the present invention, 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 invention.

In the description of the present invention, it is to be understood that the terms "longitudinal direction", "inner bottom surface", "upper end", "upper", "lower", "inner", etc. indicate orientations or positional relationships for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 6, the present invention is an automatic opening and closing mechanism for a soft screen door, including a mounting frame 1 for mounting on an upper horizontal frame of a door frame, a driving shaft 2 is rotatably mounted in the mounting frame 1, and a bottom plate of the mounting frame 1 is provided with a strip-shaped hole 101 along a length direction of the driving shaft 2; a limiting sliding groove 102 is arranged on the inner bottom surface of the bottom plate of the mounting frame 1; the limiting sliding chute 102 is arranged along the length direction of the strip-shaped hole 101 and is communicated with the strip-shaped hole 101; the second sliding block 7 and the fourth sliding block 10 can be limited by arranging the limiting sliding groove 102, and the situation that the closing of the screen door is influenced by the rotation in the moving process along the strip-shaped hole 101 is avoided. In specific implementation, the mounting frame 1 is mounted on the upper transverse frame of the door frame through screws or bolts, so that the driving shaft 2 is parallel to the upper transverse frame.

A first spiral groove 3 and a second spiral groove 4 are formed in the driving shaft 2; the first spiral groove 3 and the second spiral groove 4 are respectively positioned at two sides of the center of the driving shaft 2, and the rotating directions of the first spiral groove 3 and the second spiral groove 4 are opposite; a first sliding block 5 is arranged in the first spiral groove 3; the first sliding block 5 is connected with a second sliding block 7 positioned in the limiting sliding groove 102 through a first connecting rod 6; the second sliding block 7 is arranged to be connected with the soft screen door; a third sliding block 8 is arranged in the second spiral groove 4; the third sliding block 8 is connected with a fourth sliding block 10 positioned in the limiting sliding groove 102 through a second connecting rod 9; the fourth slider 10 is arranged to be connected with the soft screen door; one end of the driving shaft 2 is in transmission connection with a driving part. When the device is specifically implemented, the driving part can select a motor, and a rotating shaft of the motor is in transmission connection with one end of the driving shaft 2 through a coupler; the second sliding block 7 and the fourth sliding block 10 are respectively connected with the upper ends of the two screen meshes 11 of the soft screen door, and the connection position is close to the closing position of the two screen meshes 11, so that the two screen meshes 11 can be conveniently driven to be opened and closed.

Describing the using process, when the soft screen door needs to be closed, controlling the motor to rotate forwards to enable the driving shaft 2 to rotate forwards; the first sliding block 5 positioned in the first spiral groove 3 is driven to move towards the direction close to the second spiral groove 4 along the first spiral groove 3 by the rotation of the driving shaft 2, the first sliding block 5 drives the second sliding block 7 to move towards the direction close to the fourth sliding block 10 along the strip-shaped hole 101 through a first connecting rod 6, so that two gauze screens 11 connected with the second sliding block 7 are driven to move, meanwhile, the third sliding block 8 moves towards the direction close to the first spiral groove 3 along the second spiral groove 4, the third sliding block 8 drives the fourth sliding block 10 to move towards the direction close to the second sliding block 7 along the strip-shaped hole 101 through a second connecting rod 9, further, the gauze screens 11 connected with the fourth sliding block 10 are driven to move, when the two gauze screens 11 are closed, the control motor stops rotating, and at the moment, the closing of the soft gauze door is completed; when the soft screen door needs to be opened, the motor is controlled to rotate reversely, so that the second sliding block 7 and the fourth sliding block 10 move towards the direction away from each other to open the soft screen door.

Preferably, the cross sections of the first spiral groove 3 and the second spiral groove 4 are both rectangular, and the first spiral groove 3 and the second spiral groove 4 have equal widths. Therefore, the same slide block can be designed when the first slide block 5 and the third slide block 8 are designed, and the process difficulty is reduced.

Referring to fig. 3, preferably, the first spiral groove 3 includes a first left-handed groove 301 and a first right-handed groove 302; the two ends of the first left-handed groove 301 and the first right-handed groove 302 are communicated to form a loop; specifically, the smooth transition of the connection between the two ends of the first left-handed groove 301 and the two ends of the first right-handed groove 302 facilitates the smooth sliding of the first slider 5 along the first right-handed groove 302 from the first left-handed groove 301 into the first right-handed groove 302 in the process of rotating the driving shaft 2. The second spiral groove 4 comprises a second left-handed groove 401 and a second right-handed groove 402; the second left-handed groove 401 and the second right-handed groove 402 are communicated to form a loop, and particularly, the joint between the two ends of the second left-handed groove 401 and the two ends of the second right-handed groove 402 facilitates the third slider 8 to smoothly enter the second left-handed groove 401 from the second right-handed groove 402 and continuously slide along the second left-handed groove 401. When the first sliding block 5 is positioned at one end of the first left-handed groove 301 far away from the second spiral groove 4, the third sliding block 8 is positioned at one end of the second right-handed groove 402 far away from the first spiral groove 3, and at the moment, the soft yarn door is in an open state. The opening or closing of the soft screen door is controlled without controlling the positive rotation and the negative rotation of the motor, and only by controlling the rotation or the stop of the motor, particularly, when the motor is started, the first slider 5 moves along the first left-handed groove 301 in a direction away from the second spiral groove 4, meanwhile, the third sliding block 8 moves along the two right-handed grooves 402 to the direction far away from the first spiral groove 3 to enable the soft screen door to be opened slowly, when the first slider 5 is moved to the end of the first left-hand groove 301 remote from the second spiral groove 4, the soft screen door is opened to the maximum when the third sliding block 8 is positioned at one end of the second right-handed groove 402 far away from the first spiral groove 3, when the motor continues to rotate the first slide block 5 into the first right-handed groove 302 to move towards the second spiral groove 4, meanwhile, the third sliding block 8 enters the second left-hand groove 401 and moves towards the direction close to the first spiral groove 3, so that the soft screen door is slowly closed.

Preferably, the screw pitches of the first left-handed groove 301, the first right-handed groove 302, the second left-handed groove 401 and the second right-handed groove 402 are equal and the number of turns is also equal. In this way, it is ensured that the speed at which the two screens 11 of the soft screen door approach or separate from each other is the same when the drive shaft 2 is rotated.

Preferably, the first slider 5 and the second slider 7 are both in a shuttle shape. Thus, the first slider 5 and the second slider 7 are facilitated to slide.

Preferably, the first sliding block 5 is fixedly connected with one end of the first connecting rod 6; the other end of the first connecting rod 6 is rotatably connected with the second sliding block 7; the third sliding block 8 is fixedly connected with one end of the second connecting rod 9, and the other end of the second connecting rod 9 is rotatably connected with the fourth sliding block 10.

Preferably, the upper ends of the two screen meshes 11 of the soft screen door penetrate through the strip-shaped holes 101 to be connected with the plurality of stop blocks 12; the stopper 12 is located on the position-limiting sliding groove 102 and is slidably connected with the position-limiting sliding groove 102. Like this, through the upper end with the fan gauze 11 pass the bar hole 101 can make do not have the clearance between the upper end of gauze 11 and the installing frame 1, avoid the mosquito to enter into indoor from the clearance between gauze 11 upper end and the installing frame 1 after soft gauze door closes. Can avoid coming off from bar hole 101 through setting up dog 12 and can play spacing effect to gauze 11.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An automatic opening and closing mechanism for a soft screen door is characterized by comprising a mounting frame (1) arranged on an upper transverse frame of a door frame, wherein a driving shaft (2) is rotatably arranged in the mounting frame (1), and a strip-shaped hole (101) is formed in a bottom plate of the mounting frame (1) along the length direction of the driving shaft (2); a limiting sliding groove (102) is formed in the inner bottom surface of the bottom plate of the mounting frame (1); the limiting sliding groove (102) is arranged along the length direction of the strip-shaped hole (101) and is communicated with the strip-shaped hole (101);

a first spiral groove (3) and a second spiral groove (4) are formed in the driving shaft (2); the first spiral groove (3) and the second spiral groove (4) are respectively positioned on two sides of the center of the driving shaft (2), and the rotating directions of the first spiral groove (3) and the second spiral groove (4) are opposite; a first sliding block (5) is arranged in the first spiral groove (3); the first sliding block (5) is connected with a second sliding block (7) positioned in the limiting sliding groove (102) through a first connecting rod (6); the second sliding block (7) is arranged to be connected with the soft screen door; a third sliding block (8) is arranged in the second spiral groove (4); the third sliding block (8) is connected with a fourth sliding block (10) positioned in the limiting sliding groove (102) through a second connecting rod (9); the fourth sliding block (10) is arranged to be connected with the soft screen door; one end of the driving shaft (2) is in transmission connection with a driving part; the first spiral groove (3) comprises a first left-hand groove (301) and a first right-hand groove (302); the two ends of the first left-handed groove (301) and the first right-handed groove (302) are communicated to form a loop; the second spiral groove (4) comprises a second left-hand groove (401) and a second right-hand groove (402); the second left-handed groove (401) is communicated with the second right-handed groove (402) to form a loop.

2. The automatic opening and closing mechanism for soft screen doors, according to claim 1, characterized in that the first helical groove (3) and the second helical groove (4) are both rectangular in cross section and the first helical groove (3) and the second helical groove (4) have equal width.

3. The automatic opening and closing mechanism for soft screen door according to claim 1, characterized in that the first left-handed groove (301), the first right-handed groove (302), the second left-handed groove (401) and the second right-handed groove (402) have equal pitch and equal number of turns.

4. The automatic opening and closing mechanism for soft screen doors, according to claim 1, characterized in that said first slider (5) and said second slider (7) are each shuttle-shaped.

5. The automatic opening and closing mechanism for the soft screen door according to claim 1, wherein when the first slider (5) is located at one end of the first left-handed groove (301) far away from the second spiral groove (4), the third slider (8) is located at one end of the second right-handed groove (402) far away from the first spiral groove (3).

6. The automatic opening and closing mechanism for the soft screen door according to claim 1, characterized in that the second slider (7) and the fourth slider (10) are respectively connected with two screens (11) of the soft screen door.

7. The automatic opening and closing mechanism for soft screen door according to claim 1, characterized in that the first slider (5) is fixedly connected with one end of the first connecting rod (6); the other end of the first connecting rod (6) is rotationally connected with the second sliding block (7); the third sliding block (8) is fixedly connected with one end of the second connecting rod (9), and the other end of the second connecting rod (9) is rotatably connected with the fourth sliding block (10).

8. The automatic opening and closing mechanism for the soft screen door is characterized in that the upper ends of two screen nets (11) of the soft screen door penetrate through the strip-shaped holes (101) and are connected with a plurality of stop blocks (12); the stop block (12) is positioned on the limiting sliding groove (102) and is in sliding connection with the limiting sliding groove (102).