CN110566066B - Layered pre-descending force type door stopper - Google Patents
Layered pre-descending force type door stopper Download PDFInfo
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- CN110566066B CN110566066B CN201910970759.5A CN201910970759A CN110566066B CN 110566066 B CN110566066 B CN 110566066B CN 201910970759 A CN201910970759 A CN 201910970759A CN 110566066 B CN110566066 B CN 110566066B
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- embedded base
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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
- E05C17/02—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 mechanical means
- E05C17/46—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 mechanical means in which the wing or a member fixed thereon is engaged by a movable fastening member in a fixed position; in which a movable fastening member mounted on the wing engages a stationary member
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Abstract
The invention discloses a layered pre-descending force type door stopper, belongs to the field of door stoppers, and provides a layered pre-descending force type door stopper which is formed by arranging an outer extension cover, when the door is opened, the deformation of the extension cover during eversion is utilized to achieve the effect of pre-descending before the retracted suction head and the embedded base are contacted on the outer layer, when the inward-shrinkage suction head is contacted with the embedded base, the sand-change bag is gradually discharged to the outer side of the contact point under the action of the inward-shrinkage suction head, and the function of buffering and unloading is realized at the inner layer, meanwhile, when the door is closed, the sand-change bag can effectively slow down the instantaneous acting force when the inward-contracting suction head and the embedded base are suddenly separated compared with the prior art, therefore, the inward-shrinkage suction head and the embedded base are effectively protected, the integral use times and service life of the inward-shrinkage suction head and the embedded base are not easily influenced due to overlarge single stress, the condition that the inward-shrinkage suction head is stressed and falls for multiple times is effectively avoided, and the maintenance cost is reduced.
Description
Technical Field
The invention relates to the field of door stoppers, in particular to a layered pre-descending force type door stopper.
Background
The door stopper is also commonly called as a door stopper, and is also a device for sucking and positioning the door leaf after the door leaf is opened so as to prevent the door leaf from being closed by wind or touching the door leaf. The door stopper is divided into a permanent magnet door stopper and an electromagnetic door stopper, and the permanent magnet door stopper is generally used in a common door and can only be manually controlled; the electromagnetic door stopper is used for electrically controlled door and window equipment such as a fireproof door and the like, and has manual control and automatic control functions.
The common permanent magnet door stopper is divided into a wall mounting type and a ground mounting type according to the mounting form, and is divided into a plastic type and a metal type according to the material; the electromagnetic door stopper is divided into three categories of CT-01 wall type, CT-02 ground type and CT-03 chain type according to different installation modes, and the wall type electromagnetic door stopper is divided into standard type, heightening type, lengthening type, box type, concealed type, long arm type and the like according to different structures; the ground type electromagnetic door stopper consists of a CT-01 wall type electromagnetic door stopper and a right-angle ground mounting bracket; the chain type electromagnetic door stopper consists of a CT-01 wall type electromagnetic door stopper and a chain fastener; the CT-01 wall type, CT-02 ground type and CT-03 chain type electromagnetic door stopper main bodies are mutually universal, so that the users can conveniently select and use the electromagnetic door stopper according to the installation conditions of the use field.
The existing door stopper is in the use, the impact force that receives between suction head and the base is too big because the door is opened suddenly very easily, lead to impaired time to shorten sharply, holistic use number of times reduces, and life reduces, and, in the door closing process, because the effect of door stopper, the user generally can use great power, at this in-process, this effort can be concentrated the contact point or the face between suction head and the base in the twinkling of an eye, because instantaneous atress is too big, lead to installing the suction head on the wall and just dropping from the wall before the life-span consumes, cause the increase of later maintenance cost.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a layered pre-descending door stopper which is formed by arranging an outer extension cover, when the door is opened, the deformation of the extension cover during eversion is utilized to achieve the effect of pre-descending before the retracted suction head and the embedded base are contacted on the outer layer, when the inward-shrinkage suction head is contacted with the embedded base, the sand-change bag is gradually discharged to the outer side of the contact point under the action of the inward-shrinkage suction head, and the function of buffering and unloading is realized at the inner layer, meanwhile, when the door is closed, the sand-change bag can effectively slow down the instantaneous acting force when the inward-contracting suction head and the embedded base are suddenly separated compared with the prior art, therefore, the inward-shrinkage suction head and the embedded base are effectively protected, the integral use times and service life of the inward-shrinkage suction head and the embedded base are not easily influenced due to overlarge single stress, the condition that the inward-shrinkage suction head is stressed and falls for multiple times is effectively avoided, and the maintenance cost is reduced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A layered pre-descending door stopper comprises an inward-contracting suction head and an embedded base, wherein the inward-contracting suction head is mounted on a wall surface, the embedded base is mounted on the back surface of a door, the inward-contracting suction head is matched with the embedded base, the outer end of the inward-contracting suction head is fixedly connected with an outer extending cover, the outer extending cover comprises a hard supporting section and a flanging section, the hard supporting section is fixedly connected with the flanging section, the inner part of the flanging section is provided with a buffer cavity, the opposite inner wall of the buffer cavity is fixedly connected with a plurality of fixed-point reinforcing blocks, a buffer gap is formed between the opposite ends of the fixed-point reinforcing blocks, the fixed-point reinforcing blocks are close to each other, a sand-variable bag is fixedly connected to the inner bottom end of the embedded base, the sand-variable bag is matched with the inward-contracting suction head, and is arranged through the outer layer, when the door is opened, the outward deformation of the outward extending cover is realized through the, after the contact of internal contraction suction head and embedded base, the sand becomes the bag under the effect of internal contraction suction head, arrange gradually to the contact point outside, realize the effect of buffering unloading this moment at the inlayer, simultaneously when closing the door, become the bag through the sand, compare in prior art, the instantaneous effort when effectively slowing down internal contraction suction head and embedded base when being separated suddenly, and then effective protection internal contraction suction head and embedded base are difficult for influencing its holistic number of times and life-span because of the single atress is too big, also effectively avoid the condition that internal contraction suction head atress dropped many times simultaneously, and the maintenance cost is reduced.
Further, the plane department that the epitaxial casing is close to embedded base presents the inclined plane form, and is close to the one end at door edge than being close to the length in door middle part, makes the epitaxial casing can adapt to because the existence of door-inhale after opening the door, the condition that the door can not laminate with the wall completely, and then makes the surface of epitaxial casing can with the better cooperation of the outer door of embedded base, make this door-inhale fall power effect better.
Furthermore, the edge of the epitaxial hood presents the arc surface shape of turning up, on one hand, the stress of the contact point of the epitaxial hood and the door is effectively reduced, the contact point is protected from being damaged easily, on the other hand, the turning up shape provides the deformation trend of the epitaxial hood after being stressed, the epitaxial hood can continue to turn up along the turning up track after being stressed, the effect of unloading is achieved, in the turning up process, the fixed point reinforcing blocks corresponding to each stress point are combined with each other and can be hardened and thickened, and the hardness of the stress part is further ensured.
Further, the tip outside of the suction head that contracts is contracting in to the dustcoat parcel, and the summit that the suction head that contracts in is close to the outside is located the dustcoat inclined plane inboard for when opening the door vigorously, before the suction head that contracts in and embedded base are sat each other and are crowded, the dustcoat can be in advance with the door contact, thereby reduce the impact force when embedded base contacts with the suction head that contracts in on the door, make suction head and embedded base that contracts in difficult because of receiving the too big damage of impact force, can improve the suction head that contracts in and the holistic use number of times of embedded base simultaneously, increase of service life promptly.
Further, fixed point reinforcing blocks on the relative inner wall of the buffer cavity are distributed at intervals, and the gap between every two fixed point reinforcing blocks is matched with the fixed point reinforcing blocks on the opposite surface, so that when the epitaxial cover is stressed and turned outwards, the fixed point reinforcing blocks on the opposite surface can coincide with each other, the inside of the fixed point reinforcing blocks at the stress position is converted into solid from a half-empty state, the strength and hardness of the fixed point reinforcing blocks are effectively improved, the reducing effect of the impact force of the epitaxial cover from a door is better, and the protection effect on the retracted suction head and the embedded base is better.
Furthermore, the fixed point reinforcing block is made of a silicon rubber material wrapped with a non-Newtonian fluid material, and when the non-Newtonian fluid material is stressed, the stress point can be quickly hardened and thickened, so that the strength and hardness of the eversion contact point of the epitaxial cap are further improved.
Furthermore, the sand change bag is too thick, the distance between the inward shrinkage suction head and the bottom end in the embedded base is too large, the adsorption force between the inward shrinkage suction head and the embedded base is insufficient, the door is affected in adsorption and fixation, the sand change bag is too thin, the buffer effect of the inward shrinkage suction head and the embedded base in sudden contact is not obvious, and the effect of the inward shrinkage suction head and the embedded base in auxiliary separation is not obvious.
Furthermore, the sand deformation bag comprises an outer bag and inner flowing particles, the outer bag is fixedly connected with the inner wall of the embedded base, the inner flowing particles are filled in the outer bag, when the sand deformation bag is used, the outer bag and the inner flowing particles are extruded, the inner flowing particles are discharged from two sides of the inward-contracting suction head in the outer bag, the buffer unloading effect is realized on the inner layer, when the inward-contracting suction head and the embedded base are separated when the door is closed, when the inward-contracting suction head and the inner flowing particles have the separation trend, the outer bag has the tendency of recovering deformation, the inner flowing particles in the outer bag flow along with the outer bag, the partial flow of the central contact point of the inward-contracting suction head and the embedded base is slowly released, the auxiliary acting force can be generated in the separation direction of the inward-contracting suction head and the base by the outer bag and the inner flowing particles, and then an auxiliary effect is gradually formed in the separation of the inward-contracting suction head and the embedded base, so that the inward-, the slow process that the in-flow particles slowly flow to the interior is intangibly added, and compared with the prior art, the instantaneous acting force when the inward-shrinkage suction head and the embedded base are separated suddenly is effectively slowed down, so that the inward-shrinkage suction head and the embedded base are effectively protected, and the integral use times and service life of the inward-shrinkage suction head and the embedded base are not easily influenced due to the overlarge single stress.
Furthermore, the outer bag is made of an elastic material with a nanoscale liquid scratch-resistant coating coated on the surface, so that the outer bag has good scratch-resistant performance under the condition that the outer bag has elasticity and can adapt to deformation generated when the inner shrinkage suction head and the embedded base are adsorbed, and the outer bag is not easily scratched in the using process.
Furthermore, the surface of the outer bag is provided with micropores, the inner flow particles are silica gel round particles, on one hand, the inner flow particles can have fluidity in the outer bag, namely, the inner flow particles can be extruded to two sides of a stress point when being extruded, on the other hand, the inner flow particles can have a certain drying function, moisture can be effectively adsorbed, when the inner contraction suction head and the embedded base are adsorbed together, the outer bag is extruded, the micropores of the contact point part are enlarged, the moisture on the surface of the inner contraction suction head can be conveniently adsorbed by the inner flow particles, so that the inner wall of the embedded base and the surface of the inner contraction suction head are not easy to corrode, the service life is prolonged, the particle size of the inner flow particles is 1-2mm, the particle size is too large, the flowability of the inner flow particles is poor, the deformability of the outer bag is poor, the particle size is too small, and the inner.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme passes through the setting of epitaxial shroud, when opening the door, deformation when turning up through the deformation of epitaxial shroud, and then at the skin, reach the effect of descent in advance before contracting suction head and the contact of embedded base, after contracting suction head and embedded base in the contact, husky change bag is under the effect of the suction head that contracts, discharge to the contact point outside gradually, the effect of buffering unloading is realized at the inlayer this moment, simultaneously when closing the door, become the bag through husky, compare in prior art, the instantaneous effort when effectively slowing down the inside suction head and the sudden by of embedded base of contracting when being parted, and then effectively protect the inside suction head and the embedded base of contracting is difficult for influencing its holistic use number of times and life because of the single atress is too big, also effectively avoid the condition that the many times atress of the inside suction head dropped simultaneously, and the.
(2) The plane department that the epitaxial casing is close to embedded base presents the inclined plane form, and the one end that is close to the door edge is than the length that is close to the door middle part, makes the epitaxial casing can adapt to because the existence of door-inhale after opening the door, the condition that the door can not laminate completely with the wall, and then makes the surface of epitaxial casing can with the better cooperation of the outer door of embedded base, make this door-inhale fall power effect better.
(3) The edge of epitaxial shroud presents the cambered surface shape of turning up, on the one hand, effectively reduce the contact point stress of epitaxial shroud AND gate, and then the protection contact point is difficult for receiving the damage, and on the other hand, the shape of turning up provides the deformation trend after the atress for the epitaxial shroud, can continue to turn up along the orbit of turning up after making the epitaxial shroud receive the power of gate, reaches the effect of unloading, and at the in-process of turning up, the fixed point reinforcing block that every atress point corresponds combines each other can become hard the thickening simultaneously, and then guarantees the hardness of atress department.
(4) The epitaxial shroud parcel is in the internal suction head tip outside that contracts, and the internal suction head that contracts is close to the summit in the outside and is located the epitaxial shroud inclined plane inboard, make when opening door vigorously, internal suction head and embedded base are before sitting each other and are crowded, the epitaxial shroud can contact with the door in advance, thereby reduce the impact force when the internal base contacts with the internal suction head that contracts on the door, make internal suction head and embedded base be difficult for damaging because of receiving the impact force too big, can improve the holistic use number of times of internal suction head and embedded base simultaneously, and the service life is prolonged promptly.
(5) Fixed point reinforcing blocks on the relative inner wall of the buffer cavity are distributed alternately, and the clearance between every two fixed point reinforcing blocks is matched with the fixed point reinforcing blocks on the opposite surface, so that the epitaxial cover is turned outwards under the stress, the fixed point reinforcing blocks on the opposite surface can coincide with each other, and then the inside of the fixed point reinforcing blocks at the stress position is converted into 'solid' from the state of 'half empty', thereby effectively improving the strength and hardness of the fixed point reinforcing blocks, the epitaxial cover is better in reducing the impact force from a door, and the protection effect on the retracted suction head and the embedded base is better.
(6) The fixed point reinforcing block is made of silicon rubber wrapped with non-Newtonian fluid materials, and when the non-Newtonian fluid materials are stressed, stress points can be quickly hardened and thickened, so that the strength and hardness of the outward turning contact point of the epitaxial cap are further improved.
(7) The sand becomes the peak thickness of the cover of bag bottom in the embedded base for 1/3-1/2 of the inboard degree of depth of embedded base, sand becomes the bag thickly, lead to the distance of interior suction head and the interior bottom of embedded base too big easily, and then lead to the adsorption affinity between interior suction head and the embedded base not enough, lead to the absorption fixed action to the door receiving the influence, sand becomes the bag thin, lead to its cushioning effect when contacting suddenly to interior suction head and embedded base unobvious easily, and it is unobvious to supplementary separately interior suction head and the effect of embedded base of contracting.
(8) The sand change bag comprises an outer bag and inner flow particles, the outer bag is fixedly connected with the inner wall of the embedded base, the inner flow particles are filled in the outer bag, when the sand change bag is used, the outer bag and the inner flow particles are extruded, the inner flow particles are discharged from two sides of the inward shrinkage suction head in the outer bag, the buffer unloading effect is realized on the inner layer, meanwhile, when the inward shrinkage suction head and the embedded base are separated when the door is closed, the outer bag has the tendency of recovering deformation when the inward shrinkage suction head and the inner flow particles have the tendency of separation, the inner flow particles in the outer bag flow along with the inner flow particles, the partial flow of the central contact point of the inward shrinkage suction head and the embedded base is slowly slowed, the outer bag and the inner flow particles can generate auxiliary acting force in the direction of separating the inward shrinkage suction head and the embedded base, and further, the separation of the inward shrinkage suction head and the embedded base gradually forms an auxiliary effect, and therefore, the process of, the slow process that the in-flow particles slowly flow to the interior is intangibly added, and compared with the prior art, the instantaneous acting force when the inward-shrinkage suction head and the embedded base are separated suddenly is effectively slowed down, so that the inward-shrinkage suction head and the embedded base are effectively protected, and the integral use times and service life of the inward-shrinkage suction head and the embedded base are not easily influenced due to the overlarge single stress.
(9) The outer bag is made by the elastic material of the nanoscale liquid scratch-resistant coating on the surface, so that the outer bag can have good scratch-resistant performance under the condition that the outer bag has elasticity and can be deformed when being adaptive to the absorption of the inward shrinkage suction head and the embedded base, and further the outer bag is not easily scratched in the using process.
(10) The outer bag surface is excavated there is the micropore, interior flow particle is silica gel round particle, can make interior flow particle can have mobility in the outer bag on the one hand, when receiving the extrusion promptly, can be to the both sides extrusion of stress point, on the other hand can have certain drying function, can effectively adsorb the moisture, when the absorption of interior shrink suction head and embedded base together, the outer bag receives the extrusion, the micropore grow of contact point part, the moisture on interior shrink suction head surface is adsorbed to interior flow particle in being convenient for, make embedded base inner wall and interior shrink suction head surface be difficult for by the corrosion, and improve life, and the particle size of interior flow particle is 1-2mm, the particle size is too big, easily lead to interior flow particle mobility poor and outer bag method morphotropism ability poor, the particle size undersize, easily lead to very easily to fall out from the micropore.
Drawings
FIG. 1 is a schematic view of the assembled structure of the present invention;
FIG. 2 is a perspective view of the retractable suction head of the present invention;
FIG. 3 is a schematic view of the front face of the retractable suction head of the present invention;
FIG. 4 is a schematic structural view of the present invention when the retractable suction head and the embedded base are attracted together;
FIG. 5 is a schematic structural view of the flanging section of the present invention;
FIG. 6 is a schematic view of the structure at A in FIG. 5;
FIG. 7 is a schematic view of the front side of the embedded base of the present invention;
figure 8 is a schematic diagram of a prior art suction head.
The reference numbers in the figures illustrate:
the device comprises an inward shrinkage suction head 1, an inward embedding base 2, an outward extending cover 3, a 31 hard supporting section, a 32 flanging section, a 4 buffer cavity, a 5 fixed-point reinforcing block, a 6 outer bag and 7 internal flowing particles.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, a layered pre-descending door stopper comprises an inward-contracting suction head 1 mounted on a wall surface and an embedded base 2 mounted on the back surface of a door, wherein the inward-contracting suction head 1 is matched with the embedded base 2, an outer extension cover 3 is fixedly connected to the outer end of the inward-contracting suction head 1, the outer extension cover 3 comprises a hard support section 31 and a flanging section 32, the hard support section 31 is fixedly connected with the flanging section 32, and the hard support section 31 is fixedly connected with the inward-contracting suction head 1.
Referring to fig. 5-6, a buffer cavity 4 is chiseled in the flanging section 32, a plurality of fixed point reinforcing blocks 5 are fixedly connected to the opposite inner walls of the buffer cavity 4, a buffer gap is formed between the ends of the opposite fixed point reinforcing blocks 5, and the hardness of the contact point between the outer extending cover 3 and the back of the door can not be too high through the buffer gap when the door opening force is not large, so that the retraction suction head 1 and the embedded base 2 can be conveniently adsorbed together under a small door opening force, the situation that the retraction suction head 1 and the embedded base 2 cannot be smoothly adsorbed and positioned due to the action of the outer extending cover 3 is effectively avoided, a sand change bag is fixedly connected to the inner bottom end of the embedded base 2, the sand change bag is matched with the retraction suction head 1, the fixed point reinforcing blocks 5 on the opposite inner walls of the buffer cavity 4 are distributed, and the gap between every two fixed point reinforcing blocks 5 is matched with the opposite fixed point reinforcing blocks 5, make epitaxial cover 3 when the atress turns up, fixed point on the opposite face adds reinforcing block 5 can coincide each other, and then make the inside of atress department fixed point reinforcing block 5 turn into "solid" from the state of "half empty", thereby effectively improve fixed point and add reinforcing block 5's intensity and hardness, make epitaxial cover 3 better to the reduction effect of the impact force that comes from the door, promptly to the protection effect of contracting suction head 1 and embedded base 2 better, fixed point adds reinforcing block 5 and has the silicon rubber material of non-Newton fluid material for inside parcel, when non-Newton fluid material atress, the stress point, can harden the thickening rapidly, further improve the intensity and the hardness of epitaxial cover 3 contact point of turning up.
Referring to fig. 3-4, the plane of the epitaxial cap 3 near the embedded base 2 is in an inclined plane shape, and one end near the edge of the door is longer than the middle of the door, so that the epitaxial cap 3 can adapt to the situation that the door cannot be completely attached to the wall surface due to the existence of the door stopper after the door is opened, and further the surface of the epitaxial cap 3 can be better matched with the door outside the embedded base 2, so that the door stopper has a better force-reducing effect, and the edge of the epitaxial cap 3 is in an everted arc shape, i.e. the flanging section 32 is in an everted arc shape, on one hand, the stress of the contact point between the epitaxial cap 3 and the door is effectively reduced, so as to protect the contact point from being damaged, on the other hand, the everted shape provides the deformation tendency after being stressed for the epitaxial cap 3, so that the epitaxial cap 3 can be everted along the everted track after being subjected to the door force, so, fixed point reinforcing block 5 that every stress point corresponds combines together and can the sclerosis grow thick simultaneously, and then guarantee the hardness of atress department, 3 parcel of epitaxial shroud are in the 1 tip outside of the suction head that contracts in, and the tip that the suction head 1 that contracts in is close to the outside is located 3 inclined planes inboards of epitaxial shroud, make when opening door vigorously, the suction head that contracts in 1 and embedded base 2 are before the mutual seat is crowded, epitaxial shroud 3 can contact with the door in advance, thereby reduce the impact force when embedded base 2 contacts with the suction head that contracts in 1 on the door, make the suction head that contracts in 1 and embedded base 2 be difficult for damaging because of receiving the impact force too big, can improve the holistic use number of times of suction head 1 and embedded base 2 in the while, and the service life is prolonged.
Referring to fig. 7, the thickness of the highest point covered by the bottom end in the embedded base 2 of the sand change bag is 1/3-1/2 of the depth of the inner side of the embedded base 2, the sand change bag is too thick, which easily causes the distance between the retracted suction head 1 and the bottom end in the embedded base 2 to be too large, and further causes the insufficient adsorption force between the retracted suction head 1 and the embedded base 2, so that the adsorption and fixation effects on a door are affected, the sand change bag is too thin, which easily causes the buffer effect when the retracted suction head 1 and the embedded base 2 are suddenly contacted, and the effect on assisting to separate the retracted suction head 1 and the embedded base 2 is not obvious, the sand change bag comprises an outer bag 6 and inner flowing particles 7, the outer bag 6 is fixedly connected with the inner wall of the embedded base 2, and the inner flowing particles 7 are filled in the outer bag 6;
when the device is used, the outer bag 6 and the inner flow particles 7 are extruded, the inner flow particles 7 are discharged from two sides of the inward-shrinkage suction head 1 in the outer bag 6, the buffer unloading function is realized at the inner layer, simultaneously, when the inward-shrinkage suction head 1 and the embedded base 2 are separated when the door is closed, when the inward-shrinkage suction head 1 and the inner flow particles 7 have the separation trend, the outer bag 6 has the tendency of recovering deformation, the inner flow particles 7 in the outer bag flow along with the separation trend, the partial flow of the central contact point of the inward-shrinkage suction head 1 and the embedded base 2 is slowly released, so that the outer bag 6 and the inner flow particles 7 can generate auxiliary acting force in the separation direction of the inward-shrinkage suction head 1 and the embedded base 2, and further the separation of the inward-shrinkage suction head 1 and the embedded base 2 is gradually formed into an auxiliary action, the process of instantaneously separating the inward-shrinkage suction head 1 and the embedded base 2 is realized, and the process of slowly releasing the inner flow particles 7 to the two, compared with the prior art, the instantaneous acting force when the retracted suction head 1 and the embedded base 2 are suddenly separated is effectively slowed down, so that the retracted suction head 1 and the embedded base 2 are effectively protected from influencing the integral use times and service life due to overlarge single stress;
the outer bag 6 is made of an elastic material with a nanoscale liquid scratch-resistant coating coated on the surface, so that the outer bag 6 can have good scratch-resistant performance under the condition that the outer bag 6 has elasticity and can adapt to deformation generated when the inner retracted suction head 1 and the embedded base 2 are adsorbed, and further is not easy to scratch in the use process, micropores are cut on the surface of the outer bag 6, and the inner flow particles 7 are silica gel round particles, so that the inner flow particles 7 can have fluidity in the outer bag 6 on the one hand, namely can be extruded to two sides of a stress point when being extruded, and on the other hand, the outer bag 6 can have a certain drying function and can effectively adsorb moisture, when the inner retracted suction head 1 and the embedded base 2 are adsorbed together, the outer bag 6 is extruded, the micropores of a contact point part are enlarged, so that the inner suction head flow particles 7 can adsorb the moisture on the surface of the inner retracted suction head 1, and the surface of the embedded base 2 is not easy, the service life is prolonged, and the particle size of the inner flowing particles 7 is 1-2mm, so that the inner flowing particles 7 are poor in flowability, the outer capsule 6 is poor in deformability, and the particle size is too small, so that the inner flowing particles are easy to fall out of micropores.
By arranging the extension housing 3, compared with the prior art without the extension housing 3 shown in fig. 8, when the door is opened, the door is opened by the deformation of the extension housing 3 when the door is turned outwards, and further on the outer layer, the function of pre-descending is achieved before the retracted suction head 1 is contacted with the embedded base 2, when the retracted suction head 1 is contacted with the embedded base 2, the sand change bag is gradually discharged to the outer side of the contact point under the action of the inner shrinkage suction head 1, at the moment, the function of buffering and discharging is realized on the inner layer, meanwhile, when the door is closed, the sand-change bag can effectively slow down the instantaneous acting force when the inward-contracting suction head 1 and the embedded base 2 are suddenly separated compared with the prior art, and then effectively protect the interior suction head 1 and embedded base 2 and be difficult for influencing its holistic use number of times and life-span because of single atress is too big, also effectively avoid the condition that interior suction head 1 atress dropped many times simultaneously, reduce the maintenance cost.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a layering is fall power formula door-inhale in advance, is including installing interior suction head (1) that contracts on the wall and installing embedded base (2) at the door back, interior suction head (1) and embedded base (2) phase-match that contracts, its characterized in that: the outer end of the inward shrinkage suction head (1) is fixedly connected with an epitaxial cover (3), the epitaxial cover (3) comprises a hard supporting section (31) and a flanging section (32), the hard supporting section (31) is fixedly connected with the inward shrinkage suction head (1), a buffer cavity (4) is formed inside the flanging section (32), a plurality of fixed point reinforcing blocks (5) are fixedly connected to the inner wall of the buffer cavity (4), a buffer gap is formed between the ends, close to each other, of the fixed point reinforcing blocks (5), a sand transforming bag is fixedly connected to the inner bottom of the embedded base (2), is matched with the inward shrinkage suction head (1), the fixed point reinforcing blocks (5) are made of silicon rubber material wrapped with non-Newtonian fluid material, and comprises an outer bag (6) and inner flowing particles (7), the outer bag (6) is fixedly connected with the inner wall of the embedded base (2), and the inner flowing particles (7) are filled in the outer bag (6).
2. The layered pre-downdraft door stopper as claimed in claim 1, wherein: the plane that epitaxial casing (3) are close to embedded base (2) is located to present the inclined plane form, and is close to the one end of door edge than being close to the length in door middle part.
3. The layered pre-downdraft door stopper as claimed in claim 2, wherein: the edge of the extension cover (3) is in an eversion arc surface shape.
4. The layered pre-downdraft door stopper as claimed in claim 2, wherein: the outer extension cover (3) is wrapped on the outer side of the end part of the inward shrinkage suction head (1), and the top point of the inward shrinkage suction head (1) close to the outer side is located on the inner side of the inclined plane of the outer extension cover (3).
5. The layered pre-downdraft door stopper as claimed in claim 1, wherein: fixed point reinforcing blocks (5) on the relative inner wall of buffer chamber (4) are alternately distributed, and the gap between every two fixed point reinforcing blocks (5) is matched with the fixed point reinforcing blocks (5) opposite to the gap.
6. The layered pre-downdraft door stopper as claimed in claim 1, wherein: the thickness of the highest point covered by the bottom end of the sand change bag in the embedded base (2) is 1/3-1/2 of the depth of the inner side of the embedded base (2).
7. The layered pre-downdraft door stopper as claimed in claim 1, wherein: the outer capsule (6) is made of an elastic material with a nanoscale liquid scratch-resistant coating coated on the surface.
8. The layered pre-downdraft door stopper as claimed in claim 1, wherein: micropores are drilled on the surface of the outer capsule (6), the inner flow particles (7) are silica gel round particles, and the particle size of the inner flow particles (7) is 1-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970759.5A CN110566066B (en) | 2019-10-14 | 2019-10-14 | Layered pre-descending force type door stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970759.5A CN110566066B (en) | 2019-10-14 | 2019-10-14 | Layered pre-descending force type door stopper |
Publications (2)
| Publication Number | Publication Date |
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| CN110566066A CN110566066A (en) | 2019-12-13 |
| CN110566066B true CN110566066B (en) | 2021-04-13 |
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| CN201910970759.5A Expired - Fee Related CN110566066B (en) | 2019-10-14 | 2019-10-14 | Layered pre-descending force type door stopper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114541898B (en) * | 2022-01-20 | 2023-09-15 | 珠海采筑电子商务有限公司 | Door stopper with hook function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6834414B2 (en) * | 2003-02-03 | 2004-12-28 | Shyue-Ding Chiu | Doorknob cover capable of attracting or being attracted magnetically |
| KR101260255B1 (en) * | 2011-05-28 | 2013-05-03 | 이대훈 | Door shock absorber and stoper |
| CN203113969U (en) * | 2013-02-24 | 2013-08-07 | 张卫 | Sucker-type doorstop |
| CN209469181U (en) * | 2018-10-17 | 2019-10-08 | 张秦鸣 | A kind of impact resistant door-inhale |
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| CN110566066A (en) | 2019-12-13 |
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