CN114790859A - Installation and use method of classroom double-opening door leaf limiter - Google Patents
Installation and use method of classroom double-opening door leaf limiter Download PDFInfo
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- CN114790859A CN114790859A CN202111533309.3A CN202111533309A CN114790859A CN 114790859 A CN114790859 A CN 114790859A CN 202111533309 A CN202111533309 A CN 202111533309A CN 114790859 A CN114790859 A CN 114790859A
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/56—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by magnetic or electromagnetic attraction or operated by electric or electromagnetic means
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wing Frames And Configurations (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The mounting and using method of the classroom double-door leaf limiter comprises the following steps: step one, preparation work: confirming the structure of the door leaf, and clearly judging whether the door leaf is wooden or iron sheet; step two, installing a limiter main body on the door leaf: fixing the limiter main body on the door leaf to ensure that the limiter main body is not contacted with the ground and the door leaf beside; step three, installing a tray on the ground: drilling a tray preset hole in the ground plate by using a special tool, injecting AB glue into the tray preset hole, and fixing the tray in the tray preset hole; step four, adjusting the distance between the first strong magnetic steel and the second strong magnetic steel; step five, closing or re-opening the limiting function of the limiter: rotating the inner rotary disc by 180 degrees, and closing the limiting function of the limiter; the inner dial is rotated 180 degrees again and the limit function of the stopper is opened. The user can close or open the limit function of the limit stop as desired.
Description
Technical Field
The invention relates to the field of architectural decoration, in particular to an installation and use method of a limit device for double-opening door leaves in a classroom.
Background
Teachers and students in the classroom do not want to greatly open the classroom door, and the teaching efficiency of the teachers and students in the classroom can be reduced due to the fact that the passing people can often scatter the attention of the teachers and students in the classroom; the classroom and the practical training room mostly adopt a large-space classroom, the large-space classroom adopts a double-leaf vertical hinged door for the convenience of the entering and exiting of teachers and students and the standard requirement of fire control, and the installed door leaf is a double-leaf vertical hinged door. In a classroom adopting double vertical hinged doors, for indoor silence, the door leaves are usually closed during class, but if students enter and exit, the students often make a loud sound, so that the entering students are embarrassed, and the students in the classroom are also influenced to study. If open the door leaf, indoor outer sound is not separated from each other, still is unfavorable for indoor teacher's teaching and student's quiet study, and is installing the indoor space of air conditioner, still can cause the big unrestrained consumption of electric energy. It is necessary to design the door stopper with a silencing function.
Disclosure of Invention
The invention aims to provide an installation and use method of a limiting device for a double-opening door leaf in a classroom, and provides the following technical scheme for achieving the aims of virtual covering limiting and silencing of the double-opening door leaf in the classroom; the upper part and the left side and the right side of the limiter main body are respectively provided with a convex block, and the convex block is provided with a screw hole; a cavity is arranged in the limiter main body, the opening of the cavity is arranged below the limiter main body, and a cavity through hole is arranged above the limiter main body; the diameter size of the cavity through hole is larger than that of the screw rod; the top of the cavity is provided with a first spring ferrule; a second spring ring and a screw rod are arranged on the upper surface of the upper sliding block, the lower surface of the upper sliding block is bonded with the elastic rubber block, and the lower surface of the elastic rubber block is bonded with the lower sliding block; the countersunk head screw fixes the first strong magnetic steel below the lower sliding block; a large spring is sleeved on the screw rod and penetrates through the through hole of the cavity from the lower part of the cavity to be screwed into the screw cap; the second strong magnetic steel is fixed on the inner rotary disc, the opposite surfaces of the first strong magnetic steel and the second strong magnetic steel have opposite magnetism, the inner rotary disc is placed in the inner cavity of the tray, and external force is applied to enable the inner rotary disc to rotate in the inner cavity of the tray; the method is characterized in that the step of installing the door leaf virtual masking device on the double-opening door leaf for use comprises the following steps:
step one, preparation work:
1) confirming the structure of the door leaf, and clearly judging whether the door leaf is wooden or iron sheet;
2) confirming whether the ground under the door leaf is a ceramic tile or a wood floor;
3) rotating the screw cap to adjust the bottom surface of the first strong magnetic steel to be flush with the opening of the bottom surface of the cavity;
4) attaching a thin double-sided tape on the surface of the stopper main body, which is flush with the bump;
step two, installing a limiter main body on the door leaf (taking a wooden door leaf as an example):
1) closing the door leaf;
2) downwards placing the first strong magnetic steel, leaning the stopper body against the indoor vertical surface of the door leaf and far away from the lower part of one side of the hinge, and enabling the distance between the bottom surface of the first strong magnetic steel and the ground to be about 5 mm;
3) the long edge of the limiter main body is ensured to be vertical to the ground;
4) the limiting stopper main body is attached to the door leaf, the door leaf is opened and closed, and the limiting stopper main body is ensured not to be contacted with the ground and the door leaf beside the limiting stopper main body;
5) fixing the limiter main body on the door leaf by adopting a self-tapping screw with the length of about mm;
step three, installing a tray on the ground:
1) opening and closing the door leaf, and making an arc-shaped mark line on the ground by using a pencil with the central axis of the noise reduction rubber sleeve below the stopper main body as a track;
2) determining the position of the virtual mask after the door leaf is opened, fixing the door leaf, connecting the central line of a hinge rotating shaft of the door leaf by using a pencil through the central axis of the noise reduction rubber sleeve, marking a straight line on the ground, and enabling the straight line to be intersected with the arc mark line;
3) rotating an inner rotary disc in the tray towards any direction to enable the stainless steel balls to enter limiting holes formed in the inner wall of the inner cavity of the tray;
4) placing the tray on the ground, and enabling a vertical line of a central point of the second strong magnetic steel to be positioned on the arc mark line; the connecting line of the central point of the second strong magnetic steel and the central point of the inner rotary disc is parallel to the straight line mark of the ground, and the two lines are positioned on the same vertical line;
5) using a pencil to make a round mark along the junction of the tray and the ground;
6) drilling a tray preset hole in the ground plate by using a special tool, wherein the diameter size of the tray preset hole is larger than that of the tray and smaller than the outer diameter size of the blank pressing strip; the depth of the preset hole of the tray is larger than or equal to the thickness of the tray;
7) injecting AB glue into the preset hole of the tray, placing the tray in the preset hole of the tray, and enabling the connection extension line of the circle center of the second strong magnetic steel and the circle center of the inner rotating disc to be intersected with the center extension line of the hinge rotating shaft on the door leaf;
8) the edge of the blank holder strip on the tray is ensured to be in close contact with the ground plate;
step four, adjusting the distance between the first strong magnetic steel and the second strong magnetic steel:
1) moving the door leaf to enable the first strong magnetic steel to be positioned above the second strong magnetic steel, adjusting the screw cap to enable the height of the first strong magnetic steel to be reduced, and enabling the elastic rubber block to be deformed by the mutual attraction force of the first strong magnetic steel and the second strong magnetic steel until the first strong magnetic steel and the second strong magnetic steel are adsorbed together;
2) moving the door leaf again to separate the first strong magnetic steel from the second strong magnetic steel, checking and ensuring that the elastic rubber block can drive the first strong magnetic steel to move upwards for about 2mm when being reset;
3) the door leaf is moved again, so that the first strong magnetic steel is positioned above the second strong magnetic steel, the strength of mutual attraction between the first strong magnetic steel and the second strong magnetic steel is ensured, the elastic rubber block can be pulled to deform, and the first strong magnetic steel and the second strong magnetic steel can be adsorbed together.
Step five, closing or re-opening the limiting function of the limiter:
limiting function of closing limiter
1) A straight screwdriver is inserted into the direction adjusting groove, and the inner rotary disc is rotated by 180 degrees, so that the stainless steel marble on the inner rotary disc falls into a limiting hole on the inner wall of the inner cavity of the tray and is limited and fixed;
2) opening and closing the door leaf, wherein the moving track of the first strong magnetic steel is not intersected with the position where the second strong magnetic steel is located, the first strong magnetic steel is not contacted with any part on the ground, and the limiting function of the limiter is closed;
limiting function of opening limiter
1) Closing the door leaf;
2) a straight screwdriver is inserted into the direction adjusting groove, the inner rotary disc is rotated by 180 degrees, and the limiting function of the limiting device is opened.
And (4) for installing a limiter and setting the limiting function of the limiter for the second door of the double-opening door leaf, repeating the steps from two to five.
Preferred scheme one, as the preferred scheme of basic scheme, the length and the width size of top shoe, elastic rubber piece, lower slider and first strong magnet steel all are less than the length and the size of width of cavity, and top shoe, elastic rubber piece and lower slider can slide from top to bottom in the cavity, when guaranteeing first strong magnet steel way through the strong magnet steel top of second, are attracted the downstream.
Preferably, the thickness of the edge strip is not more than 1.2mm, so that the height difference between the tray and the ground is reduced as much as possible.
And a third preferred scheme is adopted, as a second preferred scheme, two limiting holes are formed in the inner wall of the inner cavity of the tray, the size of each limiting hole is matched with the stainless steel ball, and the straight lines connected with the central points of the two limiting holes are intersected with the center line of the circle center of the tray, so that the stainless steel ball can be limited and fixed in the limiting holes every time the inner rotary disc rotates 180 degrees.
Preferably, the length of the large spring is greater than or equal to the length of the screw rod, so that the large spring is not in contact with the screw rod.
Preferably, in a fifth aspect, as a preferred aspect of the fourth aspect, the thickness dimension of the tray is equal to or less than the thickness dimension of the floor slab, so as to ensure that the whole installed and fixed tray is not higher than the surface of the floor slab except for the edge pressing strips.
The beneficial effects of above-mentioned technical scheme lie in, can hide the door leaf that the flat double sash opened the door well and fix to fine utilization flexible glue and elastic rubber have realized that the silence is spacing, and the user can close or open stop device's limit function as required.
FIG. 1 is a perspective view of the present invention (a state in which a first strong magnetic steel and a second strong magnetic steel are attracted together);
FIG. 2 is a schematic of the construction of the present invention;
FIG. 3 is a schematic view of the construction of the present invention (a state viewed from the bottom side);
FIG. 4 is a partial cross-sectional view showing an internal structure of the present invention (a state where a first strong steel and a second strong steel are attracted together);
FIG. 5 is a schematic view showing that the stopper body of the present invention is installed on a door leaf, a tray is installed on a floor panel, and when the door leaf is opened or closed, the first strong magnetic steel passes through the second strong magnetic steel, and the first strong magnetic steel and the second strong magnetic steel are adsorbed together;
fig. 6 is a schematic view illustrating that when the door is opened or closed after the inner dial is rotated 180 degrees, the first strong magnetic steel and the second strong magnetic steel are not adsorbed together.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the limiter comprises a limiter body 10, a bump 11, a screw hole 12, a cavity 13, a first spring collar 14, a cavity through hole 15, an upper sliding block 20, a second spring collar 21, a screw rod 22, a screw cap 23, a large spring 30, an elastic rubber block 40, a central through hole 41, a lower sliding block 50, an internal threaded hole 51, a countersunk screw 52, a noise reduction rubber sleeve 53, first strong magnetic steel 60, second strong magnetic steel 70, an inner rotary disc 71, a blank holder strip 72, a tray 73, stainless steel elastic beads 74, a small spring 75, a direction adjusting groove 76, an annular limiting groove 77, a tray inner cavity 78, a round hole 79, a ground panel 80, a tray preset hole 81 and a door leaf 90.
A mounting and using method of a limiter for double-opening door leaves in a classroom comprises a limiter body 10, an upper sliding block 20, a large spring 30, an elastic rubber block 40, a lower sliding block 50, a first strong magnet 60 and a second strong magnet 70; the upper part and the left side and the right side of the limiter main body 10 are respectively provided with a convex block 11, and the convex block 11 is provided with a screw hole 12; a cavity 13 is arranged in the stopper main body 10, the opening of the cavity 13 is arranged below the stopper main body 10, and a cavity through hole 15 is arranged above the stopper main body 10; the diameter size of the cavity through hole 15 is larger than that of the lead screw 22; the top of the cavity 13 is provided with a first spring collar 14; the upper surface of the upper sliding block 20 is provided with a second spring ring 21 and a lead screw 22, the lower surface of the upper sliding block 20 is bonded with an elastic rubber block 40, and the lower surface of the elastic rubber block 40 is bonded with a lower sliding block 50; the countersunk head screw 52 fixes the first strong magnet steel 60 below the lower slider 50; the lead screw 22 is sleeved with a large spring 30 and is screwed into the nut 23 from the lower part of the cavity 13 through the cavity through hole 15; the second strong magnetic steel 70 is fixed on the inner rotary disc 71, the opposite surface magnetism of the first strong magnetic steel 60 and the second strong magnetic steel 70 is opposite, the inner rotary disc 71 is placed in the tray inner cavity 78, and external force is applied to enable the inner rotary disc 71 to rotate in the tray inner cavity 78; the method is characterized in that the step of installing the door leaf virtual masking device on the double-opening door leaf for use comprises the following steps:
step one, preparation work:
1) confirming the structure of the door leaf, it should be clear whether the door leaf 90 is wooden or iron;
2) confirming whether the ground 80 under the door leaf 90 is a tile or a wooden floor;
3) turning the nut 23 to adjust the bottom surface of the first ferromagnetic steel 60 to be flush with the bottom opening of the cavity 13;
4) a thin double-sided tape is pasted on the surface of the stopper main body 10, which is flush with the convex block 11;
step two, installing a limiter main body on the door leaf (taking a wooden door leaf as an example):
1) closing the door leaf 90;
2) the first strong magnetic steel 60 faces downwards, the stopper body 10 leans against the indoor vertical surface of the door leaf 90 and is far away from the lower part of one side of the hinge, and the distance between the bottom surface of the first strong magnetic steel 60 and the ground is about 5 mm;
3) the long edge of the stopper main body 10 is ensured to be vertical to the ground;
4) the stopper main body 10 is attached to a door leaf, and the door leaf is opened and closed, so that the stopper main body 10 is ensured not to be contacted with the ground and the door leaf beside;
5) fixing the limiter main body 10 on the door leaf 90 by adopting self-tapping screws with the length of about 20 mm;
step three, installing a tray on the ground:
1) opening and closing the door leaf 90, taking the central axis of the noise reduction rubber sleeve 53 below the stopper main body 10 as a track, and making an arc-shaped mark line on the ground by using a pencil;
2) determining the virtual masking position after the door leaf 90 is opened, fixing the door leaf, connecting the central axis of the noise reduction rubber sleeve 53 with the central axis of the hinge rotating shaft of the door leaf by using a pencil, marking a straight line on the ground, and intersecting the straight line with an arc mark line;
3) rotating the inner rotary disc 71 in the tray 73 in any direction to enable the stainless steel marble 74 to enter into a limiting hole arranged on the inner wall of the tray inner cavity 78;
4) placing the tray 73 on the ground so that the vertical line of the center point of the second strong magnet 70 is on the arc mark line; the connecting line of the central point of the second strong magnetic steel 70 and the central point of the inner rotary disc 71 is parallel to the straight line mark of the ground, and the two lines are positioned on the same vertical line;
5) a pencil is used for making a round mark along the junction of the tray 73 and the ground;
6) drilling a tray preset hole 81 on the ground plate by using a special tool, wherein the diameter size of the tray preset hole 81 is larger than that of the tray 73 and smaller than the outer diameter size of the blank holder 72; the depth of the tray preset hole 81 is greater than or equal to the thickness of the tray 73;
7) injecting AB glue into the tray preset hole 81, placing the tray 73 in the tray preset hole 81, and enabling the connection extension line of the circle center of the second strong magnetic steel 70 and the circle center of the inner rotary disc 71 to be intersected with the center extension line of the hinge rotating shaft on the door leaf 90;
8) the edge of the edge pressing strip 72 on the tray 73 is ensured to be tightly contacted with the floor slab;
step four, adjusting the distance between the first strong magnetic steel and the second strong magnetic steel:
1) moving the door leaf 90 to enable the first strong magnetic steel 60 to be positioned above the second strong magnetic steel 70, adjusting the screw cap 23 to enable the height of the first strong magnetic steel 60 to be reduced, and enabling the elastic rubber block 40 to be deformed by the mutual attraction force of the first strong magnetic steel 60 and the second strong magnetic steel 70 until the first strong magnetic steel 60 and the second strong magnetic steel 70 are adsorbed together;
2) moving the door leaf 90 again to separate the first strong magnetic steel 60 from the second strong magnetic steel 70, checking and ensuring that the elastic rubber block 40 can drive the first strong magnetic steel 60 to move upwards by about 2mm when being reset;
3) the door leaf 90 is moved again, so that the first strong magnetic steel 60 is positioned above the second strong magnetic steel 70, the mutual attraction force between the first strong magnetic steel 60 and the second strong magnetic steel 70 is ensured, the elastic rubber block 40 can be pulled to deform, and the first strong magnetic steel 60 and the second strong magnetic steel 70 can be adsorbed together;
step five, closing or opening the limiting function of the limiting device again:
limiting function of closing limiter
1) A straight screwdriver is inserted into the direction adjusting groove 76, the inner rotary disc 71 is rotated by 180 degrees, and the stainless steel marble 74 on the inner rotary disc 71 falls into a limiting hole on the inner wall of the inner cavity 78 of the tray to be limited and fixed;
2) the door leaf 90 is opened and closed, the moving track of the first strong magnetic steel 60 is not intersected with the position of the second strong magnetic steel 70, the first strong magnetic steel 60 is not contacted with any part on the ground, and the limiting function of the limiter is closed;
limiting function of opening limiter
1) Closing the door leaf 90;
2) a straight screwdriver is inserted into the direction adjusting groove 76, the inner rotary disc 71 is rotated by 180 degrees, and the limiting function of the limiter is opened;
and (4) for installing a limiter and setting the limiting function of the limiter for the second door with double door leaves, repeating the steps from two to five.
The above are only examples of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. A mounting and using method of a limiter for double-opening door leaves in a classroom comprises a limiter body (10), an upper sliding block (20), a large spring (30), an elastic rubber block (40), a lower sliding block (50), first strong magnetic steel (60) and second strong magnetic steel (70); lugs (11) are respectively arranged above and on the left side and the right side of the limiter main body (10), and screw holes (12) are formed in the lugs (11); a cavity (13) is arranged in the stopper main body (10), the opening of the cavity (13) is arranged below the stopper main body (10), and a cavity through hole (15) is arranged above the stopper main body (10); the diameter size of the cavity through hole (15) is larger than that of the screw rod (22); a first spring collar (14) is arranged at the top of the cavity (13); a second spring ferrule (21) and a lead screw (22) are arranged on the upper surface of the upper sliding block (20), the lower surface of the upper sliding block (20) is bonded with the elastic rubber block (40), and the lower part of the elastic rubber block (40) is bonded with the lower sliding block (50); the countersunk head screw (52) fixes the first strong magnetic steel (60) below the lower sliding block (50); a screw rod (22) is sleeved with a large spring (30) and passes through the cavity through hole (15) from the lower part of the cavity (13) to be screwed into the screw cap (23); the second strong magnetic steel (70) is fixed on the inner rotary disc (71), the opposite surface magnetism of the first strong magnetic steel (60) and the second strong magnetic steel (70) is opposite, the inner rotary disc (71) is placed in the tray inner cavity (78), and the inner rotary disc (71) can rotate in the tray inner cavity (78) by applying external force; the method is characterized in that the step of installing the door leaf virtual masking device on the double-opening door leaf for use comprises the following steps:
step one, preparation work:
1) confirming the structure of the door leaf (90), and clearly judging whether the door leaf (90) is wooden or iron sheet;
2) confirming whether the ground (80) under the door leaf is a tile or a wooden floor;
3) rotating the screw cap (23) to adjust the bottom surface of the first strong magnetic steel (60) to be flush with the opening of the bottom surface of the cavity (13);
4) a thin double-sided paste is pasted on the surface of the stopper main body (10) which is flush with the convex block (11);
step two, installing a limiter main body on the door leaf (taking a wooden door leaf as an example):
1) closing the door leaf (90);
2) the first strong magnetic steel (60) faces downwards, the stopper main body (10) leans against the indoor vertical surface of the door leaf (90) and is far away from the lower part of one side of the hinge, and the distance between the bottom surface of the first strong magnetic steel (60) and the ground is about 5 mm;
3) the long edge of the limiter main body (10) is ensured to be vertical to the ground;
4) the limiting stopper main body (10) is attached to the door leaf, the door leaf is opened and closed, and the limiting stopper main body (10) is ensured not to be contacted with the ground and the door leaf beside;
5) fixing the limiter main body (10) on the door leaf (90) by adopting self-tapping screws with the length of about 20 mm;
step three, installing a tray on the ground:
1) opening and closing the door leaf (90), and making an arc-shaped mark line on the ground by using a pencil with the central axis of the noise reduction rubber sleeve (53) below the limiter main body (10) as a track;
2) determining the virtual position after the door leaf (90) is opened, fixing the door leaf, connecting the central axis of the noise reduction rubber sleeve (53) with the central line of the hinge rotating shaft of the door leaf by a pencil, marking a straight line on the ground, and intersecting the straight line with an arc mark line;
3) rotating an inner rotary disc (71) in the tray (73) towards any direction to enable the stainless steel marble (74) to enter into a limiting hole arranged on the inner wall of the tray inner cavity (78);
4) placing the tray (73) on the ground, and enabling a vertical line of a central point of the second strong magnetic steel (70) to be positioned on the arc mark line; the connecting line of the central point of the second strong magnet steel (70) and the central point of the inner rotary disc (71) is parallel to the straight line mark of the ground, and the two lines are positioned on the same vertical line;
5) a pencil is used for making a round mark along the junction of the tray (73) and the ground;
6) drilling a tray preset hole (81) in the ground plate by using a special tool, wherein the diameter of the tray preset hole (81) is larger than that of the tray (73) and smaller than the outer diameter of the blank pressing strip (72); the depth of the tray preset hole (81) is larger than or equal to the thickness of the tray (73);
7) AB glue is injected into the tray preset hole (81), the tray (73) is placed in the tray preset hole (81), and the connection extension line of the circle center of the second strong magnetic steel (70) and the circle center of the inner rotary disc (71) is intersected with the center extension line of the hinge rotating shaft on the door leaf (90);
8) the edge of the edge pressing strip (72) on the tray (73) is ensured to be tightly contacted with the floor board;
step four, adjusting the distance between the first strong magnetic steel and the second strong magnetic steel:
1) moving the door leaf (90) to enable the first strong magnetic steel (60) to be positioned above the second strong magnetic steel (70), adjusting the screw cap (23) to enable the height of the first strong magnetic steel (60) to be reduced, and enabling the elastic rubber block (40) to be deformed by the mutual attraction force of the first strong magnetic steel (60) and the second strong magnetic steel (70) until the first strong magnetic steel (60) and the second strong magnetic steel (70) are adsorbed together;
2) moving the door leaf (90) again to separate the first strong magnetic steel (60) from the second strong magnetic steel (70), checking and ensuring that the first strong magnetic steel (60) can be driven to move upwards by about 2mm when the elastic rubber block (40) is reset;
3) the door leaf (90) is moved again, so that the first strong magnetic steel (60) is positioned above the second strong magnetic steel (70), the force of mutual attraction between the first strong magnetic steel (60) and the second strong magnetic steel (70) is ensured, the elastic rubber block (40) can be pulled to deform, and the first strong magnetic steel (60) and the second strong magnetic steel (70) can be adsorbed together;
step five, closing or opening the limiting function of the limiting device again:
limiting function of closing limiter
A straight screwdriver is inserted into the direction adjusting groove (76), the inner rotary disc (71) is rotated by 180 degrees, and the stainless steel marble (74) on the inner rotary disc (71) falls into the limiting hole on the inner wall of the tray inner cavity (78) to be limited and fixed;
2) opening and closing the door leaf (90), wherein the moving track of the first strong magnetic steel (60) is not intersected with the position of the second strong magnetic steel (70), the first strong magnetic steel (60) is not contacted with any part on the ground, and the limiting function of the limiter is closed;
limiting function of opening limiter
1) Closing the door leaf (90);
2) a straight screwdriver is inserted into the direction adjusting groove (76), the inner rotary disc (71) is rotated by 180 degrees, and the limiting function of the limiter is opened;
and (4) for installing a limiter and setting the limiting function of the limiter for the second door with double door leaves, repeating the steps from two to five.
2. The method for installing and using the double-door leaf limiter in the classroom according to claim 1, wherein the length and width dimensions of the upper sliding block (20), the elastic rubber block (40), the lower sliding block (50) and the first strong magnetic steel (60) are all smaller than those of the cavity (13), and the upper sliding block (20), the elastic rubber block (40), the lower sliding block (50) and the first strong magnetic steel (60) can slide up and down in the cavity (13).
3. The method for installing and using the double-open door leaf limiter in the classroom according to claim 1, wherein the thickness of the edge pressing strip (72) is not greater than 1.2 mm.
4. The method for installing and using the double-door leaf limiter in the classroom according to claim 1, wherein the elastic rubber block (40) has a reset function.
5. The mounting and using method of the double-door-leaf limiting stopper for the classroom according to claim 1, wherein the inner wall of the tray inner cavity (78) is provided with two limiting holes, the size of each limiting hole is matched with that of the stainless steel marble (74), and a straight line connecting the central points of the two limiting holes intersects with the center line of the circle center of the tray (73).
6. The method for installing and using the double-door-leaf limiter in the classroom according to claim 1, wherein the length dimension of the large spring (30) is greater than or equal to the length dimension of the lead screw (22).
7. The method for installing and using the double-door leaf limiter in the classroom according to claim 1, wherein the thickness dimension of the tray (73) is equal to or less than the thickness dimension of the floor plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111533309.3A CN114790859B (en) | 2021-12-15 | 2021-12-15 | Installation and use method of classroom double-door fan limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111533309.3A CN114790859B (en) | 2021-12-15 | 2021-12-15 | Installation and use method of classroom double-door fan limiter |
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| Publication Number | Publication Date |
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| CN114790859A true CN114790859A (en) | 2022-07-26 |
| CN114790859B CN114790859B (en) | 2023-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790860A (en) * | 2021-12-15 | 2022-07-26 | 重庆工业职业技术学院 | Double-door adjustable door leaf limiter for digital media classroom |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790860A (en) * | 2021-12-15 | 2022-07-26 | 重庆工业职业技术学院 | Double-door adjustable door leaf limiter for digital media classroom |
| CN114790860B (en) * | 2021-12-15 | 2024-01-30 | 重庆工业职业技术学院 | Adjustable door leaf limiter of digital media classroom double door |
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| CN114790859B (en) | 2023-06-23 |
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