CN111691773A - Rotary magnetic door stopper with buffering function - Google Patents
Rotary magnetic door stopper with buffering function Download PDFInfo
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- CN111691773A CN111691773A CN202010510875.1A CN202010510875A CN111691773A CN 111691773 A CN111691773 A CN 111691773A CN 202010510875 A CN202010510875 A CN 202010510875A CN 111691773 A CN111691773 A CN 111691773A
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- fixedly connected
- box
- wall
- side wall
- buffering
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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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- Electromagnetism (AREA)
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- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a rotary magnetic suction type door stopper with a buffering function, which comprises a mounting seat and a mounting box, wherein the side wall of the mounting seat is fixedly connected with a connecting rod, one end of the connecting rod, far away from the mounting seat, is fixedly connected with a connecting ball, the inner wall of the mounting box is fixedly connected with a buffering box, a threaded rod is arranged in the mounting box, one end of the threaded rod extends out of the mounting box and is fixedly connected with a connecting plate, the inner wall of the buffering box is elastically connected with a movable plate through a pressure spring, the other end of the threaded rod extends into the buffering box and is fixedly connected with the side wall of the movable plate, the side wall of the movable plate is provided with a plurality of permeation holes in a penetrating way, the side wall. The invention can prevent the connecting ball from generating strong impact force after contacting with the connecting plate, thereby ensuring that the door stopper is not damaged due to impact when in normal use and prolonging the service life of the door stopper.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a rotary magnetic door stopper with a buffering function.
Background
The door stopper is also commonly called as a door stopper and generally consists of two parts, one part is fixedly arranged on a door body, the other part is fixedly arranged on a wall body, and the two door stoppers have two main functions, so that on one hand, the position of the door can be fixed when the door is in an open state, and the door is prevented from being automatically closed due to factors such as wind blowing and the like; on the other hand can prevent that door handle or the direct and wall of the door body from bumping when people open the door, causes the damage to handle and wall, and current door-inhale has certain problem.
When the existing door stopper is installed, two parts are generally fixedly installed on a door body and a wall body respectively, when the door is opened, the two parts can generate large impact force when contacting at every time, namely the two parts can collide, after the door stopper is used for a long time, the door stopper is easy to loosen, the service life of the door stopper is further shortened, unnecessary loss is caused, and therefore the problem is solved by designing a rotary magnetic type door stopper with a buffering function.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a rotary magnetic attraction type door stopper with a buffering function.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rotary magnetic suction type door stopper with a buffering function comprises a mounting seat and a mounting box, wherein a connecting rod is fixedly connected to the side wall of the mounting seat, a connecting ball is fixedly connected to one end, away from the mounting seat, of the connecting rod, a buffering box is fixedly connected to the inner wall of the mounting box, a threaded rod is arranged inside the mounting box, one end of the threaded rod extends out of the mounting box and is fixedly connected with a connecting plate, a movable plate is elastically connected to the inner wall of the buffering box through a pressure spring, the other end of the threaded rod extends into the buffering box and is fixedly connected with the side wall of the movable plate, a plurality of permeation holes are formed in the side wall of the movable plate in a penetrating mode, a threaded sleeve is in threaded connection with the side wall of the threaded rod, a permanent magnetic ring is rotatably connected to the side wall of the threaded sleeve through a one-way bearing, and electrorheological fluid is filled in the buffer box.
Preferably, the connecting plate is made of a magnetic material, the mounting seat and the connecting ball are made of magnetic metal, and the side wall of the connecting plate is provided with an arc surface matched with the connecting ball.
Preferably, the permanent magnetism ring side wall is equipped with two standing grooves, two the standing groove inner wall all has the auxiliary rod through spring elastic connection, the mounting box inner wall is equipped with the ring channel, a plurality of stoppers of ring channel inner wall fixedly connected with.
Preferably, the interfaces of the limiting blocks are all right-angled triangles, and the two auxiliary rods extend into the annular groove and contact with the side walls of the limiting blocks.
Preferably, the connecting plate lateral wall fixedly connected with extrusion bag, the extrusion bag is kept away from connecting plate one end and is installed box lateral wall fixed connection, two elasticity bags of buffering box inner wall fixed connection, two the electric capacity board respectively with two elasticity bag lateral walls fixed connection.
The invention has the following beneficial effects:
1. compared with the prior art, when the door is opened, the connecting ball pushes the connecting plate to move, the threaded rod can be driven to move, and the movable plate can move;
2. compared with the prior art, the device has the advantages that when the threaded rod moves, the permanent magnet ring can be driven to rotate, so that the lead frame cuts the magnetic induction lines, an electric field exists between the two capacitance plates, the electrorheological fluid gradually becomes more viscous, the movement of the movable plate is further hindered, and the buffering effect of the device is better;
3. compared with the prior art, when the connecting plate moves, the air in the extrusion bag can be extruded into the elastic bag, so that the two capacitor plates are close to each other, the distance between the two capacitor plates is reduced, the field intensity of an electric field is increased, the thickening rate of the electrorheological fluid is higher, and the buffering effect of the device is further improved.
Drawings
FIG. 1 is a schematic structural view of a rotary magnetic door stopper with a buffering function according to the present invention;
FIG. 2 is an enlarged view of a structure at position A of the rotary magnetic attraction type door stopper with a buffering function according to the present invention;
fig. 3 is a schematic structural diagram of a rotary magnetic attraction type door stopper with a buffering function according to embodiment 2 of the present invention.
In the figure: the device comprises a mounting seat 1, a connecting rod 2, a connecting ball 3, a connecting plate 4, a threaded rod 5, a mounting box 6, a lead frame 7, a movable plate 8, a buffer box 9, a penetration hole 10, a capacitance plate 11, a permanent magnet ring 12, a threaded sleeve 13, an auxiliary rod 14, a placing groove 15, an annular groove 16, a limiting block 17, an extrusion bag 18 and an elastic bag 19.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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 invention.
Example 1
Referring to fig. 1-2, a formula door-inhale is inhaled to rotatory magnetism with buffer function, includes mount pad 1 and mounting box 6, and 1 fixed connection of mount pad is at a door body lateral wall, and 6 fixed connection of mounting box are at the wall body lateral wall, and 1 lateral wall fixedly connected with connecting rod 2 of mount pad, and 1 one end fixedly connected with of mount pad 3 is kept away from to connecting rod 2, and mount pad 1 makes by magnetic metal with connecting ball 3.
The inner wall of the mounting box 6 is fixedly connected with a buffer box 9, a threaded rod 5 is arranged in the mounting box 6, one end of the threaded rod 5 extends out of the mounting box 6 and is fixedly connected with a connecting plate 4, the connecting plate 4 is made of magnetic material, the side wall of the connecting plate 4 is provided with a cambered surface matched with the connecting ball 3, the inner wall of the buffer box 9 is elastically connected with a movable plate 8 through a pressure spring, the other end of the threaded rod 5 extends into the buffer box 9 and is fixedly connected with the side wall of the movable plate 8, a sealing ring is arranged at the penetrating position of the threaded rod 5 and the buffer box 9, and it is worth noting that the partial side wall of the threaded rod 5 which can enter the buffer box 9 is not provided with threads, so as to prevent electrorheological fluid in the buffer box 9 from leaking from a thread groove of the threaded rod 5, the side wall of the movable plate 8, the magnetic poles of the upper part and the lower part of the permanent magnetic ring 12 are opposite, the side wall of the buffer box 9 is fixedly connected with the lead frame 7, the lead frame 7 is a U-shaped frame, the lead frame 7 is not contacted with the threaded rod 5, the inner wall of the buffer box 9 is fixedly connected with two capacitance plates 11, two ends of the lead frame 7 are respectively electrically connected with the two capacitance plates 11, electrorheological fluid is filled in the buffer box 9, the electrorheological fluid is a suspension liquid under the normal state, and the liquid-solid state conversion can be carried out under the action of electric field force.
In the invention, two placing grooves 15 are arranged on the side wall of a permanent magnet ring 12, the inner walls of the two placing grooves 15 are elastically connected with auxiliary rods 14 through springs, the inner wall of a mounting box 6 is provided with an annular groove 16, the inner wall of the annular groove 16 is fixedly connected with a plurality of limiting blocks 17, the interfaces of the limiting blocks 17 are right triangles, the two auxiliary rods 14 extend into the annular groove 16 and are contacted with the side walls of the limiting blocks 17, the side walls of the two auxiliary rods 14 are attached to the inner wall of the annular groove 16 to prevent the auxiliary rods 14 and the permanent magnet ring 12 from moving in the horizontal direction, when a threaded rod 5 moves towards the mounting box 6, a threaded sleeve 13 can be driven to rotate, at the moment, a one-way bearing is in a locking state, the threaded sleeve 13 can drive the permanent magnet ring 12 to rotate, at the moment, the two auxiliary rods 14 can move in the annular groove 16 along the inclined, at this moment, the one-way bearing can idle, and two auxiliary rods 14 can be attached to the vertical side wall of the limiting block 17 all the time, so that the two auxiliary rods 14 cannot rotate, the permanent magnet ring 12 cannot rotate, in sum, the threaded rod 5 can drive the permanent magnet ring 12 to rotate in the installation box 6, and when the threaded rod 5 moves outwards from the installation box 6, the permanent magnet ring 12 cannot rotate.
When opening the door, connect ball 3 and can contact and promote connecting plate 4 to remove to connecting plate 4, and under the appeal effect of connecting plate 4 and permanent magnetism ring 12, connect ball 3 and can be tightly adsorbed in connecting plate 4 lateral wall, simultaneously connecting plate 4 can drive threaded rod 5 when removing and remove, threaded rod 5 drives fly leaf 8 and removes, and extrude the pressure spring, at the in-process that fly leaf 8 removed, electrorheological fluid can only permeate fly leaf 8 left side through infiltration hole 10, because the bore of infiltration hole 10 is very little, so, do not just can produce a reverse thrust to fly leaf 8 lateral wall to the electrorheological fluid of infiltration hole 10, and simultaneously, the pressure spring also can produce a reverse thrust to fly leaf 8 when compressed, hinder fly leaf 8 and remove to the right, and then hinder connecting plate 4 and connect ball 3 to remove, can play good cushioning effect.
When threaded rod 5 removed, can drive permanent magnetism ring 12 and rotate, when permanent magnetism ring 12 rotated, lead wire frame 7 can cut the magnetic induction line between the north and south poles of the earth of permanent magnetism ring 12, and then produce induced-current, and because permanent magnetism ring 12 is when rotating, the electric current that produces in the lead wire frame 7 is the alternating current, electric current between two electric capacity boards 11 passes through with the form of electric field, under the effect of electric field force, electrorheological fluid can become thick gradually, anti-shear yield degree reinforcing, become difficult to flow, further obstructed the removal of fly leaf 8, make the door body with connect ball 3 to slow down gradually, until connecting ball 3 stop to remove and tightly adsorb at connecting plate 4 lateral walls.
After the connection ball 3 stops moving to the right, the threaded rod 5 stops moving, the permanent magnet ring 12 stops rotating, current in the lead frame 7 disappears, electrorheological fluid gradually returns to a liquid state, under the elastic action of the pressure spring, the movable plate 8 is pushed to move to the left, the threaded rod 5 is driven to move to the left, the permanent magnet ring 12 cannot rotate at the moment, the threaded rod 5 drives the connection plate 4 and the connection ball 3 to move to the left until the pressure spring returns to the original state, and in the process, the connection ball 3 is always adsorbed on the side wall of the connection plate 4.
Example 2
Referring to fig. 2-3, a rotatory magnetism is inhaled formula door stopper with buffer function, 4 lateral walls fixedly connected with extrusion bag 18 of connecting plate, 4 one end and the 6 lateral walls fixed connection of mounting box are kept away from to extrusion bag 18, 9 inner walls fixedly connected with two elasticity bags 19 of buffer box, extrusion bag 18 and two elasticity bags 19 intercommunications, and the specific connection mode is for connecting through the air duct, and this is prior art, does not do unnecessary repeated description here again, two electric capacity boards 11 respectively with two elasticity bags 19 lateral walls fixed connection.
In this embodiment, when the connecting plate 4 moves to the right, the squeezing bag 18 is compressed, and air is squeezed into the elastic bag 19 to expand, so as to drive the two capacitor plates 11 to approach each other, as can be known from a field intensity calculation formula E of the capacitor plates 11, which is U/d (where E represents the electric field intensity between the two capacitor plates 11, and d represents the distance between the two capacitor plates 11), the shorter the distance between the two capacitor plates 11 is, the larger the electric field intensity is, therefore, when the connecting plate 4 moves to the right, the faster the rate at which the electrorheological fluid becomes viscous is, the buffering effect of the device is further improved, it is prevented that the connecting ball 3 can generate a strong impact force when contacting the connecting plate 4, so that the device is damaged, and the service life of the device is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a formula door-inhale is inhaled to rotatory magnetism with buffer function, includes mount pad (1) and mounting box (6), its characterized in that: the mounting seat is characterized in that a connecting rod (2) is fixedly connected to the side wall of the mounting seat (1), one end of the mounting seat (1) is fixedly connected with a connecting ball (3) by the connecting rod (2), a buffering box (9) is fixedly connected to the inner wall of the mounting box (6), a threaded rod (5) is arranged inside the mounting box (6), one end of the threaded rod (5) extends out of the mounting box (6) and is fixedly connected with a connecting plate (4), a movable plate (8) is elastically connected to the inner wall of the buffering box (9) through a pressure spring, the other end of the threaded rod (5) extends into the buffering box (9) and is fixedly connected with the side wall of the movable plate (8), a plurality of penetration holes (10) are arranged in the side wall of the movable plate (8) in a penetrating mode, a threaded sleeve (13) is connected to the side wall of, the side wall of the buffer box (9) is fixedly connected with a lead frame (7), the inner wall of the buffer box (9) is fixedly connected with two capacitor plates (11), two ends of the lead frame (7) are respectively electrically connected with the two capacitor plates (11), and electrorheological fluid is filled in the buffer box (9).
2. The rotary magnetic attraction type door stopper with the buffering function as claimed in claim 1, wherein: the connecting plate (4) is made of a magnetic material, the mounting seat (1) and the connecting ball (3) are made of magnetic metal, and the side wall of the connecting plate (4) is provided with an arc surface matched with the connecting ball (3).
3. The rotary magnetic attraction type door stopper with the buffering function as claimed in claim 1, wherein: the side wall of the permanent magnet ring (12) is provided with two placing grooves (15), the inner walls of the placing grooves (15) are respectively elastically connected with an auxiliary rod (14) through springs, the inner wall of the mounting box (6) is provided with an annular groove (16), and the inner wall of the annular groove (16) is fixedly connected with a plurality of limiting blocks (17).
4. The rotary magnetic attraction type door stopper with the buffering function as claimed in claim 3, wherein: the interfaces of the limiting blocks (17) are right-angled triangles, and the two auxiliary rods (14) extend into the annular groove (16) and are in contact with the side walls of the limiting blocks (17).
5. The rotary magnetic attraction type door stopper with the buffering function as claimed in claim 1, wherein: connecting plate (4) lateral wall fixedly connected with extrusion bag (18), connecting plate (4) one end and mounting box (6) lateral wall fixed connection are kept away from in extrusion bag (18), two elasticity bags (19) of buffer box (9) inner wall fixedly connected with, two electric capacity board (11) respectively with two elasticity bags (19) lateral wall fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510875.1A CN111691773A (en) | 2020-06-08 | 2020-06-08 | Rotary magnetic door stopper with buffering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510875.1A CN111691773A (en) | 2020-06-08 | 2020-06-08 | Rotary magnetic door stopper with buffering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111691773A true CN111691773A (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010510875.1A Pending CN111691773A (en) | 2020-06-08 | 2020-06-08 | Rotary magnetic door stopper with buffering function |
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| Country | Link |
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| CN (1) | CN111691773A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482898A (en) * | 2020-11-23 | 2021-03-12 | 夏东东 | Energy-saving windproof electromagnetic access control device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5120030A (en) * | 1991-05-28 | 1992-06-09 | General Motors Corporation | Magnet assisted liftgate strut |
| DE10334004A1 (en) * | 2003-07-25 | 2005-03-10 | Bayerische Motoren Werke Ag | Retention device for pivoted automobile door or lid using magnetic piston displaced within cylinder containing magnetorheological fluid and fitted with ferromagnetic element |
| US20060242908A1 (en) * | 2006-02-15 | 2006-11-02 | Mckinney David R | Electromagnetic door actuator system and method |
| CN201416320Y (en) * | 2009-06-01 | 2010-03-03 | 陈杰辉 | Buffering magnetic door holder |
| CN201875042U (en) * | 2010-10-14 | 2011-06-22 | 中国电力科学研究院 | Self-induction type current variable shock absorption damper |
| CN104929454A (en) * | 2015-06-09 | 2015-09-23 | 伍肇坚 | Hydraulic buffer sucker for door stopper |
| CN109944896A (en) * | 2019-04-04 | 2019-06-28 | 四川大学 | A kind of self-adaptive current liquescent damper of self-induction power supply |
| CN209637470U (en) * | 2019-02-22 | 2019-11-15 | 青岛瑞安建工集团有限公司 | A kind of building decoration magnetic component |
| CN110939338A (en) * | 2019-12-16 | 2020-03-31 | 丁文海 | Noise reduction type hardware door stopper based on magnetic adsorption and lock catch |
-
2020
- 2020-06-08 CN CN202010510875.1A patent/CN111691773A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5120030A (en) * | 1991-05-28 | 1992-06-09 | General Motors Corporation | Magnet assisted liftgate strut |
| DE10334004A1 (en) * | 2003-07-25 | 2005-03-10 | Bayerische Motoren Werke Ag | Retention device for pivoted automobile door or lid using magnetic piston displaced within cylinder containing magnetorheological fluid and fitted with ferromagnetic element |
| US20060242908A1 (en) * | 2006-02-15 | 2006-11-02 | Mckinney David R | Electromagnetic door actuator system and method |
| CN201416320Y (en) * | 2009-06-01 | 2010-03-03 | 陈杰辉 | Buffering magnetic door holder |
| CN201875042U (en) * | 2010-10-14 | 2011-06-22 | 中国电力科学研究院 | Self-induction type current variable shock absorption damper |
| CN104929454A (en) * | 2015-06-09 | 2015-09-23 | 伍肇坚 | Hydraulic buffer sucker for door stopper |
| CN209637470U (en) * | 2019-02-22 | 2019-11-15 | 青岛瑞安建工集团有限公司 | A kind of building decoration magnetic component |
| CN109944896A (en) * | 2019-04-04 | 2019-06-28 | 四川大学 | A kind of self-adaptive current liquescent damper of self-induction power supply |
| CN110939338A (en) * | 2019-12-16 | 2020-03-31 | 丁文海 | Noise reduction type hardware door stopper based on magnetic adsorption and lock catch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482898A (en) * | 2020-11-23 | 2021-03-12 | 夏东东 | Energy-saving windproof electromagnetic access control device |
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