CN211370170U - Security protection door of noise reduction - Google Patents

Abstract

The utility model discloses a security door capable of reducing noise, which relates to the technical field of security doors, and comprises an outer door plate, a lock plate, door hinges and an inner door plate, wherein the lock plate is fixed at the middle position of the front left side of the outer door plate through screws, the three door hinges are respectively arranged at the right side of the outer door plate in a vertical and equidistant manner, and the inner door plate is fixed on the inner surface of the outer door plate; the middle lower side of the front face of the lock plate is provided with a lock hole, sliding grooves which are parallel to the left side and the right side of the lock hole and are formed in the surfaces of the lock plate, sliding plates are arranged above the front faces of the two sliding grooves, two sliding rods are horizontally fixed on the inner walls of the sliding plates, the tail ends of the two sliding rods slide into the two sliding grooves respectively and enable the sliding plates to be connected with the sliding grooves in a vertical sliding mode, the sliding plates cover the front faces of the lock hole, and a pull rod is horizontally; the beneficial effects of the utility model reside in that: the lock hole is closed without affecting normal use/reducing noise of opening and closing the door.

Description

Security protection door of noise reduction

Technical Field

The utility model belongs to the technical field of the security protection door technique and specifically relates to a noise reduction's security protection door is related to.

Background

The security protection door is provided with an anti-theft lock, can resist abnormal opening under certain conditions within a certain period of time, has certain safety protection performance and accords with the door of corresponding anti-theft safety level, and the keyhole outside the general security protection door is exposed, and some children who transfer the skin are difficult to avoid and can plug in debris into the keyhole, and then lead to the key to insert and not go into, influence normally opening the door, and again, the security protection door is after long-term use, the noise appears easily when opening and closing the door.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that present security protection door keyhole exposes outside and the noise appears easily in the switch door, the utility model aims at providing a noise abatement's security protection door.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a security door capable of reducing noise comprises an outer door plate, three locking plates, door hinges and an inner door plate, wherein the locking plates are fixed in the middle position of the left front side of the outer door plate through screws, the three door hinges are respectively arranged on the right side of the outer door plate vertically and equidistantly, and the inner door plate is fixed on the inner surface of the outer door plate;

a keyhole is formed in the middle lower side of the front face of the lock plate, sliding grooves which are formed in the surfaces of the lock plate and are parallel to the left side and the right side of the keyhole are formed in the two sides of the front face of the lock plate, sliding plates are arranged above the front faces of the two sliding grooves, two sliding rods are horizontally fixed on the inner wall of each sliding plate, the tail ends of the two sliding rods slide into the two sliding grooves respectively and enable the sliding plates and the sliding grooves to be connected in a vertical sliding mode, the sliding plates cover the front faces of the keyhole, and a pull;

the outer side of the back surface of the outer door plate is bonded with a circle of rubber strips through an adhesive, at least ten adsorption discs which are equidistantly distributed around the axis of the inner wall of each rubber strip are inserted into the inner wall of each rubber strip, a spring is fixed at the joint of each adsorption disc and each rubber strip, each adsorption disc is elastically connected with each rubber strip through the spring, and each rubber strip surrounds and is parallel to the periphery of the outer wall of the inner door plate;

the door hinge comprises a right hinge plate, a right sleeve shaft, a left sleeve shaft and a rubber ring, the right hinge plate is positioned on the right side of the door hinge, the right sleeve shaft is provided with two parts which are fixed with the middle part of the left side of the right hinge plate into a whole in a welding mode, the two parts are arranged at the middle position outside the door hinge in a sleeved mode, the left sleeve shaft is provided with two parts which are sleeved outside the door hinge and are respectively parallel to the upper part and the lower part of the right sleeve shaft, and the rubber ring is provided with three parts which are respectively clamped between the two right sleeve shafts and between the right sleeve shaft and the two left sleeve shafts.

Preferably, the left hinge plate is fixedly welded at the left end of the left sleeve shaft, the left hinge plate is fixed on the right side of the inner wall of the outer door plate through screws, and the door hinge is hinged with the outer door plate through the left hinge plate.

Preferably, an observation window is embedded in the upper front face of the outer door plate, and a wire mesh covering the observation window is fixed on the surface of the observation window.

Preferably, the middle part of the left surface of the inner door panel is embedded with at least three lock heads, and the at least three lock heads are all positioned on the same horizontal line with the lock panel.

Preferably, the length, the width and the height of the inner door panel are both smaller than those of the outer door panel.

Preferably, the middle part of the front surface of the lock plate is rotatably connected with a handle parallel to the upper part of the sliding groove.

Compared with the prior art, the utility model discloses the beneficial effect who realizes: the sliding plate is connected in front of the sliding groove in a sliding mode and covers the lock hole, the lock hole cannot be exposed outside after being covered by the sliding plate, the phenomenon that sundries are inserted into the lock hole by a casual person can be effectively avoided, when a key needs to be inserted into the lock hole, the pull rod can be pulled to enable the sliding plate to slide upwards through the matching of the slide rod and the sliding groove, and therefore the lock hole can be exposed outside, a user can insert the key into the lock hole, and the operation is convenient and simple;

when all blocking outer door plant and interior door plant in the door opening, the rubber strip will contact all around with the outside of door opening, can effectively avoid outer door plant AND gate opening direct contact and the phenomenon emergence that produces friction and noise like this, recycle and adsorb the disc and can increase the adsorption efficiency of outer door plant and door opening, it has great gap and then influences syllable-dividing effect to avoid leaving between outer door plant and the door opening, when outer door plant and interior door plant rotate through the hinge, the rubber circle can effectually keep apart between right sleeve axle and the left sleeve axle, and reduce the friction, the production of the noise when also further having avoided the switch door simultaneously.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure of a door hinge A according to the present invention;

fig. 3 is the left side view structure schematic diagram of the outer door panel and the inner door panel of the present invention.

The labels in the figure are: 1-outer door panel; 101-a viewing window; 102-a wire mesh; 103-rubber strip; 104-a suction disc; 2-locking the plate; 201-a handle; 202-a slide plate; 203-a chute; 204-keyhole; 205-a pull rod; 206-a slide bar; 3-door hinge; 301-right hinge plate; 302-right sleeve shaft; 303-left sleeve shaft; 304-a rubber ring; 4-inner door panel; 401-lock cylinder.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 3, it should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a security door capable of reducing noise comprises an outer door plate 1, locking plates 2, door hinges 3 and an inner door plate 4, wherein the locking plates 2 are fixed in the middle position of the front left side of the outer door plate 1 through screws, three door hinges 3 are arranged on the right side of the outer door plate 1 vertically and equidistantly, the inner door plate 4 is fixed on the inner surface of the outer door plate 1, the length, the width and the height of the inner door plate 4 are both smaller than those of the outer door plate 1, a user can conveniently insert a key to open the door through the locking plates 2, and the outer door plate 1 and the inner door plate 4 can be opened together through the door hinges 3;

in the embodiment of the utility model, the lower side of the front of the lock plate 2 is provided with a keyhole 204, and the two sides parallel to the keyhole 204 are both provided with a chute 203 opened on the surface of the lock plate 2, a sliding plate 202 is arranged above the front of the two chutes 203, and two sliding rods 206 are horizontally fixed on the inner wall of the sliding plate 202, the ends of the two sliding rods 206 respectively slide into the two chutes 203 and make the sliding plate 202 and the chute 203 slide up and down, and the sliding plate 202 covers the front of the keyhole 204, the center of the front of the sliding plate 202 is horizontally welded with a pull rod 205, the middle part of the front of the lock plate 2 is rotatably connected with a handle 201 parallel to the upper side of the chute 203, a user slides the sliding plate 202 into the two chutes 203 through the two sliding rods 206, thus the sliding plate 202 can be slidably connected to the front of the chute 203 and cover the keyhole 204, the keyhole 204 can not be exposed after, when a user needs to insert a key into the keyhole 204, the user can pull the pull rod 205 to make the sliding plate 202 slide upwards through the matching of the sliding rod 206 and the sliding groove 203, so that the keyhole 204 can be exposed, and therefore, the user can insert the key into the keyhole 204, and the operation is convenient and simple;

in the embodiment of the utility model, the outer side of the back of the outer door panel 1 is bonded with a circle of rubber strip 103 through an adhesive, the inner wall of the rubber strip 103 is inserted with at least ten adsorption discs 104 which are equidistantly arranged around the axis of the inner wall, the joint of the adsorption discs 104 and the rubber strip 103 is fixed with a spring, the adsorption discs 104 are elastically connected with the rubber strip 103 through the spring, the rubber strip 103 surrounds and is parallel to the periphery of the outer wall of the inner door panel 4, the rubber strip 103 passes through the circle of rubber strip 103 on the outer side of the outer door panel 1, when a user clamps the outer door panel 1 and the inner door panel 4 into a door opening, the rubber strip 103 is contacted with the periphery of the outer side of the door opening, thereby effectively avoiding the phenomenon that the outer door panel 1 is directly contacted with the door opening to generate friction and noise, and then utilizing the circle of adsorption discs 104 inserted into the inner wall of the rubber strip 103, the adsorption discs 104 can increase the adsorption capacity of the, meanwhile, the elastic space between the adsorption disc 104 and the rubber ring 304 can be effectively enhanced by utilizing the springs of the adsorption disc 104 and the rubber ring 304;

the embodiment of the utility model provides a door hinge 3 includes right flap 301, right sleeve axle 302, left sleeve axle 303 and rubber circle 304, and right flap 301 is located door hinge 3 right side, right sleeve axle 302 is equipped with two and weld with right flap 301 left side middle part and fix as an organic whole, and two right sleeve axles 302 all embolia in door hinge 3 outside intermediate position, left sleeve axle 303 is equipped with two and embolias in door hinge 3 outside and be on a parallel with right sleeve axle 302 respectively from top to bottom, rubber circle 304 is equipped with three and presss from both sides respectively between two right sleeve axles 302 and between right sleeve axle 302 and two left sleeve axles 303, left sleeve axle 303 left end weld fixation has left flap, and left flap passes through the screw fixation in outer door panel 1 inner wall right side, and door hinge 3 passes through left flap and outer door panel 1 is articulated, pass through the screw fixation in the inner wall right side of outer door panel 1 with left flap 301, again pass through the screw fixation on the wall that needs to install outer 1 with right flap 301, so alright with fixing the right side at outer door plant 1 with door hinge 3, then, through the rubber circle 304 between right sleeve axle 302 and the left sleeve axle 303, when outer door plant 1 and interior door plant 4 rotated through door hinge 3, rubber circle 304 can be effectual keep apart between right sleeve axle 302 and the left sleeve axle 303 to reduce the friction, the production of the noise when also further having avoided the switch door simultaneously.

In this embodiment, the observation window 101 is embedded in the upper front surface of the outer door panel 1, and the wire netting 102 covering the observation window 101 is fixed on the surface of the observation window 101, so that the user can observe the state outside the door through the observation window 101 conveniently, and the wire netting 102 can protect the observation window 101.

In this embodiment, the middle part of the left side of the inner door panel 4 is embedded with at least three locking heads 401, and at least three locking heads 401 are all on the same horizontal line with the locking plate 2, through the locking heads 401, when the inner door panel 4 and the outer door panel 1 are embedded into the door opening, the locking can be performed through the locking heads 401.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (6)

1. The utility model provides a security protection door of noise abatement, includes outer door plant (1), jam plate (2), door hinge (3) and interior door plant (4), its characterized in that: the lock plate (2) is fixed in the middle position of the front left side of the outer door plate (1) through screws, three door hinges (3) are arranged on the right side of the outer door plate (1) vertically and equidistantly, and the inner door plate (4) is fixed on the inner surface of the outer door plate (1);

a lock hole (204) is formed in the middle lower side of the front face of the lock plate (2), sliding grooves (203) which are parallel to the left side and the right side of the lock hole (204) are formed in the surface of the lock plate (2), sliding plates (202) are arranged above the front faces of the two sliding grooves (203), two sliding rods (206) are horizontally fixed on the inner walls of the sliding plates (202), the tail ends of the two sliding rods (206) respectively slide into the two sliding grooves (203) to enable the sliding plates (202) to be connected with the sliding grooves (203) in a vertical sliding mode, the sliding plates (202) cover the front faces of the lock hole (204), and a pull rod (205) is horizontally welded in the center of the front faces of the sliding;

the outer side of the back of the outer door panel (1) is bonded with a circle of rubber strips (103) through an adhesive, at least ten adsorption discs (104) which are equidistantly distributed around the axis of the inner wall of each rubber strip (103) are inserted into the inner wall of each rubber strip (103), springs are fixed at the joints of the adsorption discs (104) and the rubber strips (103), the adsorption discs (104) are elastically connected with the rubber strips (103) through the springs, and the rubber strips (103) surround and are parallel to the periphery of the outer wall of the inner door panel (4);

door hinge (3) include right hinge plate (301), right sleeve axle (302), left sleeve axle (303) and rubber circle (304), just right hinge plate (301) are located door hinge (3) right side, right sleeve axle (302) be equipped with two and with right hinge plate (301) left side middle part welded fastening as an organic whole, and two right sleeve axle (302) all embolias in door hinge (3) outside intermediate position, left sleeve axle (303) are equipped with two and embolia in door hinge (3) outside and be on a parallel with right sleeve axle (302) top and bottom respectively, rubber circle (304) are equipped with three and press from both sides respectively between two right sleeve axles (302) and between right sleeve axle (302) and two left sleeve axles (303).

2. The security door of claim 1, wherein: the left sleeve shaft (303) is fixed with a left hinge plate at the left end in a welding manner, the left hinge plate is fixed on the right side of the inner wall of the outer door plate (1) through screws, and the door hinge (3) is hinged to the outer door plate (1) through the left hinge plate.

3. The security door of claim 1, wherein: an observation window (101) is embedded in the upper front of the outer door panel (1), and a wire mesh (102) covering the observation window (101) is fixed on the surface of the observation window.

4. The security door of claim 1, wherein: the middle part of the left surface of the inner door panel (4) is embedded with at least three lock heads (401), and the at least three lock heads (401) are all positioned on the same horizontal line with the lock plate (2).

5. The security door of claim 1, wherein: the length, the width and the height of the inner door panel (4) are all smaller than those of the outer door panel (1).

6. The security door of claim 1, wherein: the middle part in front of the lock plate (2) is rotatably connected with a handle (201) which is parallel to the upper part of the sliding groove (203).

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