CN111706194A

CN111706194A - Easy-to-draw door stopper

Info

Publication number: CN111706194A
Application number: CN202010591281.8A
Authority: CN
Inventors: 孙增虎
Original assignee: 孙增虎
Current assignee: Taizhou Luqiao Yuqiang Plastic Co.,Ltd.
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-09-25
Anticipated expiration: 2040-06-24
Also published as: CN111706194B

Abstract

The invention discloses an easy-to-draw door stopper which comprises a moving block fixed on a door plate and a fixed box fixed on a wall surface, wherein an inserting rod is fixed on the side wall of the moving block, a clamping groove is formed in the side wall of the inserting rod, an inserting hole penetrates through the side wall of the fixed box, the inserting rod extends into the fixed box after penetrating through the inserting hole, the side wall of the fixed box is rotatably connected with a rotating cylinder, a driven gear is fixed on the side wall of the rotating cylinder, a limiting groove penetrates through the side wall of the driven gear, and a plurality of limiting blocks are uniformly distributed in the limiting groove. Has the advantages that: according to the invention, when the door needs to be closed, the door plate is pushed again to enable the piezoelectric ceramic block to be pressed again, and high voltage is applied to the electrorheological fluid again, so that the rotating shaft rotates again, the limiting block rotates again to change the position, the limiting block is separated from the clamping groove and is not limited any more, the insertion rod can be easily moved out of the fixing block, the door plate can be easily closed, and strong pulling force does not need to be applied.

Description

Easy-to-draw door stopper

Technical Field

The invention relates to the technical field of door stoppers, in particular to an easy-to-pull door stopper.

Background

The door stopper is a buffer device used between a door body and a wall body, and on one hand, the door body can be fixed, and on the other hand, the door stopper can prevent elements such as a door handle from directly colliding with the wall body to damage the door body or the wall surface.

At present, most door stoppers are in a magnet adsorption type, however, when the door stopper is used, two magnets can be directly adsorbed and violently collided, and the falling of magnetic blocks and even wallcoverings can be caused in the long-term past, so that the actual use effect is poor; and if the magnet magnetic force is too strong, can only overcome the magnetic force effect and accomplish the action that need exert great pulling force when will leading to closing the door, magnet is difficult to select, can't be applicable to multiple crowd, and it is very inconvenient to use.

Disclosure of Invention

The invention aims to solve the problem that a door stopper in the prior art is inconvenient to use, and provides an easy-to-pull door stopper.

In order to achieve the purpose, the invention adopts the following technical scheme: an easy-to-pull door stopper comprises a moving block fixed on a door plate and a fixed box fixed on the wall surface, an inserting rod is fixed on the side wall of the moving block, a clamping groove is arranged on the side wall of the inserting rod, an inserting hole is arranged on the side wall of the fixed box in a penetrating way, the inserted bar penetrates through the insertion hole and extends into the fixed box, the side wall of the fixed box is rotatably connected with a rotary drum, a driven gear is fixed on the side wall of the rotary drum, a limit groove is arranged on the side wall of the driven gear in a penetrating way, a plurality of limit blocks are uniformly distributed in the limit groove, a control box is fixed on the inner wall of the fixed box, the side wall of the control box is connected with a rotating shaft in a penetrating and rotating way, the end part of the rotating shaft is connected with a driving gear meshed with a driven gear, the control box is internally provided with a circulating mechanism, the inner wall of the fixing box is fixed with a piezoelectric ceramic block, and the inner wall of the fixing box is connected with a pressing plate through a spring.

In the pop-top door stopper, the circulating mechanism comprises a push plate fixed on the circumferential side wall of the rotating shaft, the push plate is positioned inside the control box and is in sealing sliding connection with the inner wall of the control box, and electrorheological fluid is filled inside the control box.

In the easy-to-draw door stopper, the rotating shaft is rotatably connected with the control box through the torsion spring, the rotating shaft is rotatably connected with the driving gear through the one-way bearing, and the rotating drum is rotatably connected with the inner wall of the fixed box through the one-way bearing.

Compared with the prior art, the invention has the advantages that:

1. according to the door opening device, the spring and the pressing plate are arranged, so that collision energy between the inserted rod and the pressing plate is buffered by the spring in the door opening process, the door plate is not impacted by overlarge reaction force, and meanwhile, generated collision noise is effectively reduced, so that the door opening process is more comfortable;

2. according to the invention, the press plate is pushed to move by the inserting rod, so that the piezoelectric ceramic block is extruded in the door opening process, and then a higher short-time voltage is generated on the current in the control box, so that the electrorheological fluid is fixedly expanded to push the push plate to move, the rotating shaft drives the driving gear to rotate, the driven gear drives the limiting block to rotate to the inside of the clamping groove, the limiting block limits the movement of the inserting rod, the inserting rod cannot move out of the fixing box, the limitation of the door plate after opening is further completed, and the door plate cannot move;

3. in the invention, the rotating shaft is rotationally connected with the control box through the torsion spring and is connected with the driving gear through the one-way bearing, so that the rotating shaft can automatically rotate and cannot drive the driving gear to rotate in the form conversion process of the electrorheological fluid, and the rotating shaft automatically recovers under the condition of not influencing the state of the limiting block, so that the electrorheological fluid can complete the cycle push control through repeated form conversion;

4. according to the invention, when the door needs to be closed, the door plate is pushed again to enable the piezoelectric ceramic block to be pressed again, and high voltage is applied to the electrorheological fluid again, so that the rotating shaft rotates again, the limiting block rotates again to change the position, the limiting block is separated from the clamping groove and is not limited any more, the insertion rod can be easily moved out of the fixing block, the door plate can be easily closed, and strong pulling force does not need to be applied.

Drawings

Fig. 1 is a schematic structural view of a pop-top door stopper provided by the invention;

fig. 2 is a side sectional view of a pop-top door stopper provided by the invention;

fig. 3 is a side sectional view of a control box part in the pop-top door stopper provided by the invention.

In the figure: the device comprises a moving block 1, a fixed box 2, an inserted rod 3, a clamping groove 4, a jack 5, a rotating cylinder 6, a driven gear 7, a limiting groove 8, a limiting block 9, a driving gear 10, a control box 11, a rotating shaft 12, a push plate 13, a piezoelectric ceramic block 14, a spring 15 and a pressing plate 16.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-3, an easy-to-draw door stopper comprises a movable block 1 fixed on a door panel and a fixed box 2 fixed on a wall surface, wherein an inserted bar 3 is fixed on the side wall of the movable block 1, a clamping groove 4 is formed on the side wall of the inserted bar 3, an inserting hole 5 is formed through the side wall of the fixed box 2, the inserted bar 3 extends into the fixed box 2 through the inserting hole 5, a rotary drum 6 is rotatably connected with the side wall of the fixed box 2, a driven gear 7 is fixed on the side wall of the rotary drum 6, a limiting groove 8 is formed through the side wall of the driven gear 7, a plurality of limiting blocks 9 are uniformly distributed in the limiting groove 8, a control box 11 is fixed on the inner wall of the fixed box 2, a rotary shaft 12 is rotatably connected with the side wall of the control box 11 through a penetrating way, a driving gear 10 meshed with the driven gear 7 is connected with the end part of the rotary shaft 12, a circulating mechanism is, the surface of the pressure plate 16 is provided with an elastic pad to reduce noise generated by expansion.

The circulating mechanism comprises a push plate 13 fixed on the circumferential side wall of the rotating shaft 12, the push plate 13 is positioned inside the control box 11 and is in sealing sliding connection with the inner wall of the control box 11, electrorheological fluid is filled inside the control box 11, and the piezoelectric ceramic block 14 applies higher short-time voltage to the electrorheological fluid after receiving external pressure, so that the electrorheological fluid is solidified and then liquefied.

The rotating shaft 12 is rotatably connected with the control box 11 through a torsion spring, the connecting position of the rotating shaft 12 and the control box 11 is sealed, the overflow of the electrorheological fluid is avoided, the rotating shaft 12 is rotatably connected with the driving gear 10 through a one-way bearing, the inner wall of the rotary drum 6 and the inner wall of the fixed box 2 are rotatably connected through the one-way bearing, the rotating shaft 12 can drive the driving gear 10 to rotate in the process of the solidification of the electrorheological fluid, the rotating shaft 12 can self-rotate under the elasticity of the torsion spring when the electrorheological fluid is liquefied, the driving gear 10 can not be driven to rotate, the driving gear 10 and the driven gear 7 only rotate at a one-way fixed angle in the process of one-time form conversion of the electrorheological fluid, and the rotating.

According to the invention, when the door panel needs to be fixed during opening, the door panel is pushed to drive the moving block 1 and the inserting rod 3 to move, so that the inserting rod 3 enters the fixed box 2 at a certain speed and impact force, the inserting rod 3 drives the pressing plate 16 to move, the pressing plate 16 compresses the spring 15 to move towards the piezoelectric ceramic block 14 and applies instant pressure to the piezoelectric ceramic block 14, the movement of the inserting rod 3 in the process is blocked by the spring 15 to be buffered, the impact collision damage of the door panel and the inserting rod 3 and the like is avoided, the door panel is effectively protected, and the noise pollution caused by collision is avoided;

after being subjected to strong impact extrusion, the piezoelectric ceramic block 14 applies higher short-time voltage to the electrorheological fluid in the control box 11, so that the electrorheological fluid in the control box 11 completes the cycle transformation of fixation and liquefaction in a short time, and the electrorheological fluid is sprayed and expanded in the fixation process, so that the push plate 13 drives the rotating shaft 12 to rotate forward under the pushing of the push plate 13, and when the electrorheological fluid is liquefied, the rotating shaft 12 drives the push plate 13 to rotate under the elastic force of the torsion spring, so that the electrorheological fluid is reset, and the cycle action is completed in the control box 11;

when the rotating shaft 12 rotates forwards, the driving gear 10 is driven to rotate, so that the driven gear 7 rotates, the limiting block 9 rotates to change positions, the limiting block 9 enters the clamping groove 4 through rotation, after the insertion rod 3 and the pressing plate 16 expand, when a person does not apply thrust to the door panel, the door panel and the insertion rod 3 move towards the outside of the fixed box 2 under the action of the elastic force of the spring 15, the limiting block 9 is positioned in the clamping groove 4 to limit the movement of the insertion rod 3, the insertion rod 3 cannot leave the fixed box 2, the moving block 1 is combined with the fixed box 2, the door panel is limited, and after the limiting block 9 limits the insertion rod 3, the door panel cannot move due to external force pulling, and the position of the door panel after being fixed is guaranteed to be stable;

when the door needs to be closed, the door panel is firstly pushed to drive the moving block 1 and the inserting rod 3 to further move towards the inside of the fixed box 2, so that the inserting rod 3 pushes the pressing plate 16 to move and further extrude the piezoelectric ceramic block 14, the piezoelectric ceramic block 14 applies high voltage to electrorheological fluid again, further, the inside of the control box 11 completes the circulating action again, so that the driven gear 7, the driving gear 10 and the limiting block 9 rotate, the limiting block 9 moves out of the clamping groove 4 after rotating, the movement of the inserting rod 3 is not limited any more, the inserting rod 3 in the state can be easily pulled out of the fixed box 2, large pulling force does not need to be applied, the pushing force required by the door panel to apply pressure to the piezoelectric ceramic block 14 is small, and extra resistance does not need to be overcome during the subsequent closing of the door, so that the whole process is very.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The easy-to-draw door stopper comprises a moving block (1) fixed on a door panel and a fixed box (2) fixed on a wall surface, and is characterized in that an inserting rod (3) is fixed on the side wall of the moving block (1), a clamping groove (4) is formed in the side wall of the inserting rod (3), a jack (5) is formed in the side wall of the fixed box (2) in a penetrating mode, the inserting rod (3) penetrates through the jack (5) and extends into the fixed box (2), a rotary drum (6) is rotatably connected to the side wall of the fixed box (2), a driven gear (7) is fixed on the side wall of the rotary drum (6), a limiting groove (8) is formed in the side wall of the driven gear (7) in a penetrating mode, a plurality of limiting blocks (9) are uniformly distributed in the limiting groove (8), a control box (11) is fixed on the inner wall of the fixed box (2), and a rotating shaft (12, the end part of the rotating shaft (12) is connected with a driving gear (10) meshed with the driven gear (7), a circulating mechanism is arranged in the control box (11), a piezoelectric ceramic block (14) is fixed on the inner wall of the fixed box (2), and the inner wall of the fixed box (2) is connected with a pressing plate (16) through a spring (15).

2. An easy-to-draw door stopper according to claim 1, characterized in that, the circulating mechanism comprises a push plate (13) fixed on the circumferential side wall of the rotating shaft (12), the push plate (13) is positioned inside the control box (11) and is in sliding connection with the inner wall of the control box (11) in a sealing way, and electrorheological fluid is filled inside the control box (11).

3. An easy-to-pull door stopper as claimed in claim 2, wherein the rotating shaft (12) is rotatably connected with the control box (11) through a torsion spring, the rotating shaft (12) is rotatably connected with the driving gear (10) through a one-way bearing, and the rotating drum (6) is rotatably connected with the inner wall of the fixed box (2) through a one-way bearing.