CN102678005A

CN102678005A - Door for children

Info

Publication number: CN102678005A
Application number: CN2012101301628A
Authority: CN
Inventors: 林智勇
Original assignee: Individual
Current assignee: Yang Zuopeng
Priority date: 2012-04-21
Filing date: 2012-04-21
Publication date: 2012-09-19
Anticipated expiration: 2032-04-21
Also published as: CN102678005B

Abstract

A door for children comprises a door frame and a movable door, wherein the movable door is hinged to the door frame. The door for the children is characterized by comprising an electromagnetic clamping prevention device; the electromagnetic clamping prevention device comprises an electromagnetic brake device, an inertia switch and a casing, wherein the electromagnetic brake device comprises an electromagnet and a door braking device; and the electromagnet comprises a framework, an electromagnetic coil and an iron core, the framework is fixedly connected with the casing, and the iron core is movably matched with an iron core hole of the framework. When wind blows and the movable door is rapidly closed, the inertia switch is closed to connect a power supply of the electromagnetic coil, the electromagnet produced a magnetic field to attracts the iron core down, the iron core drives a swing brake to overcome the elasticity of a support spring to move downwards, and by means of the friction between a brake piece of the swing brake and a floor, the movable door is prevented from being rapidly closed by the strong wind and clamping the children.

Description

Children's door

Technical field

The present invention relates to a kind of safety door, particularly a kind of children's door.

Background technology

At present, the interior door of common interior door, particularly highrise building; When big wind, the interior door quick closedown often occurs, and the power of closing is very big; Interior door is easy to crush child or old man, and a kind of children's door with pinch resistant functionality has become the security needs of people's installation room inside door.

The content of invention

The purpose of this invention is to provide a kind of children's door, solve the general room door and blown the problem that crushes child or old man by strong wind easily.

The technical scheme that the present invention adopted is: children's door, include doorframe and dodge gate, and dodge gate and doorframe are hinged; Children's door is provided with the electromagnetism anti-jamming device, and the electromagnetism anti-jamming device includes electromagnetism brake apparatus, inertia switch and shell, and the electromagnetism brake apparatus includes electromagnet and door brake apparatus; Electromagnet includes framework, electromagnetic coil and iron core, and framework is fixedly connected with shell, and iron core is actively tied in the iron core hole of framework; The door brake apparatus includes that pendulum is stopped, guide pin bushing and support spring, and guide pin bushing is fixedly connected with the bottom of shell, puts the supported spring support and be connected movingly with guide pin bushing of stopping, and stops with pendulum and be connected in the upper end of support spring, and the lower end of support spring contacts with the bottom of shell; Pendulum is stopped and is fixedly connected with iron core, and the supported spring of iron core is propped up, and makes between last magnetic plate and the framework of iron core and leaves the gap, and putting stops is provided with brake member, and the size of the last magnetic plate of iron core is bigger than iron core hole inside dimension, and putting stops is provided with brake member.

During use, the shell of electromagnetism anti-jamming device is installed on the dodge gate lower end position, and the brake member of electromagnetism brake apparatus is positioned at the top on floor, leaves the gap between brake member and the floor; The switch contacts of inertia switch and the electromagnetic coil of electromagnet are connected in series; During the quick closedown of wind dodge gate; The closed power supply of connecting electromagnetic coil of inertia switch; Electromagnet produces magnetic field iron core is inhaled down, and the iron core drive is put the elastic force that overcomes support spring of stopping and moved down, the brake member and the floor friction that utilize pendulum to stop; Hinder dodge gate and blown quick closedown, prevent that dodge gate from crushing child by strong wind.

The invention has the beneficial effects as follows: children's door is provided with the electromagnetism anti-jamming device; Utilize inertia switch to connect the power supply of electromagnetism brake apparatus electromagnetic coil; Utilize electromagnet to drive brake member and floor contact friction, hinder the dodge gate quick-make, prevent that effectively dodge gate from crushing child or old man.

Description of drawings

Fig. 1 is children's door sketch map of pendulum inertia switch;

Fig. 2 is children's door sketch map of mercury inertia switch.

The specific embodiment

Below in conjunction with accompanying drawing the present invention is further explained:

Children's door sketch map of children's door sketch map of pendulum inertia switch shown in Figure 1 and mercury inertia switch shown in Figure 2, children's door includes doorframe 1 and dodge gate 2, and dodge gate 2 is hinged with doorframe 1; Children's door is provided with electromagnetism anti-jamming device 43, and electromagnetism anti-jamming device 43 includes electromagnetism brake apparatus 3, inertia switch 4 and shell 5, and electromagnetism brake apparatus 3 includes electromagnet 6 and door brake apparatus 44; Electromagnet 6 includes framework 7, electromagnetic coil 8 and iron core 9, and framework 7 is fixedly connected with shell 5, and iron core 9 is actively tied in the iron core hole 10 of framework 7; Door brake apparatus 44 includes that pendulum stops 11, guide pin bushing 12 and support spring 13; Guide pin bushing 12 is fixedly connected with the bottom of shell 5; The pendulum 11 supported springs 13 of stopping support and are connected movingly with guide pin bushing 12; The upper end of support spring 13 and pendulum are stopped and 11 are connected, and the lower end of support spring 13 contacts with the bottom of shell 5; Pendulum is stopped and 11 is fixedly connected with iron core 9; Iron core 9 supported springs 13 are propped up, and make between last magnetic plate 45 and the framework 7 of iron core 9 and leave the gap, and the size of the last magnetic plate 45 of iron core 9 is bigger than the size in iron core hole 10; Pendulum is stopped and 11 is provided with brake member 14; During installation, one side of dodge gate 2 is connected with doorframe 1 through hinge 24, and the electromagnetism anti-jamming device is installed in the door-plate 25 of lower end of another side of dodge gate 2; The lower end of dodge gate 2 is provided with installing hole 26, and the shell 6 of electromagnetism anti-jamming device embeds in the installing hole 26 and is fixedly connected with dodge gate 2; Shell 5 is installed on dodge gate 2 lower end positions, and brake member 14 is positioned at the top on floor 15, leaves the gap between brake member 14 and the floor 15; The switch contacts 16 of inertia switch 4 is connected in series with the electromagnetic coil 8 of electromagnet 6; During 2 quick closedowns of wind dodge gate; The inertia switch 4 closed power supplys of connecting electromagnetic coil 8; Inhale iron core 9 down in electromagnet 6 generation magnetic fields; Iron core 9 drive pendulum stop 11 overcome support spring 13 elastic force move down, utilize pendulum stop 11 brake member 14 and floor 15 frictions, prevent that dodge gate 2 from being blown quick closedown by strong wind.

In order to regulate the distance on brake member 14 and floor 15, pendulum is stopped and 11 is fixedly connected on the below of iron core 9 with iron core 9, and pendulum is stopped and 11 is provided with screwed hole 17; Brake member 14 comprises set screw 18, regulating wheel 19, locking nut 20 and brake block 21, and set screw 18 is connected with screwed hole 17, and set screw 18 is fixedly connected with regulating wheel 19; Brake block 21 is fixedly connected with regulating wheel 19; The screw thread of locking nut 20 is threaded with set screw 18, and locking nut 20 is positioned at the below of screwed hole 17, and rotation adjusting was taken turns 19 o'clock; Set screw 18 moves up or down in screwed hole 17; Be used to regulate the distance on brake block 21 and floor 15, after the distance on brake block 21 and floor 15 mixes up, utilize locking nut 20 set screw 18 and screwed hole 17 lockings.

11 move up and down in order to guarantee that pendulum is stopped, prevent that pendulum from stopping 11 to rotate that guide pin bushing 12 is provided with guide hole 22, pendulum is stopped and 11 is provided with alignment pin 23, and alignment pin 23 is actively tied in the guide hole 22; Perhaps, guide pin bushing 12 is a polygon, and stop 11 shape of pendulum is identical with guide pin bushing 12, prevents pendulum 11 rotations in guide pin bushing 12 of stopping.

One side of dodge gate 2 is connected with doorframe 1 through hinge 24; The electromagnetism anti-jamming device is installed in the door-plate 25 of lower end of another side of dodge gate 2; The lower end of dodge gate 2 is provided with installing hole 26, and the shell 6 of electromagnetism anti-jamming device embeds in the installing hole 26 and is fixedly connected with dodge gate 2.

Children's door sketch map of pendulum inertia switch shown in Figure 1; Inertia switch 4 includes pendulum 27, fork 28, hinge 29, fixed electrical contact 30 and flexible lamp contact 31; Shell 5 is connected with hinge 29; Hinge 29 is connected with fork 28, the axis of hinge 29 and the axis normal that is installed on the hinge 24 of dodge gate 2; Fixing electricity point 30 is located on the insulation holder 32 of shell 5; Insulation holder 32 is actively tied in the cover for seat 33, is provided with buffer spring 34 in the cover for seat 33, and an end of buffer spring 34 contacts with insulation holder 32; The other end of buffer spring 34 contacts with shell 5, and buffer spring 34 is the compression spring; Movable electrical contact 31 is located at the movable insulating base 33 of pendulum 27, and fixing electric contacts 30 is located at the track position of movable electrical contact 31 swings, and fixing electric contacts 30 is connected with power supply, and movable electrical contact 31 is connected with electromagnetic coil 8; During big wind dodge gate 2 quick closedowns; Pendulum 27 swings, the movable electrical contact 31 of being located at pendulum 27 contacts with being located at shell 5 fixing electric contacts 30, connects the power supply of electromagnetic coil 8; Simultaneously, utilize buffer spring 34 to increase the time that movable electrical contact 31 contacts with fixing electric contacts 30.

Children's door sketch map of mercury inertia switch shown in Figure 2; Inertia switch 4 includes insulation shell 35; Insulation shell 35 is provided with the conducting cavity 36 of sealing, liquid storage cylinder 37, conductive channel 38, return flow line 39, upper contact head 40 and the following contact 41 of sealing; The top of conducting cavity 36 is communicated with the top of liquid storage cylinder 37 through conductive channel 38, and the bottom of conducting cavity 36 is communicated with liquid storage cylinder 37 through return flow line 39, and liquid storage cylinder 37 is provided with mercury 42; The position of conducting cavity 36 is higher than the position of liquid storage cylinder 37; The sectional area of the sectional area ratio conductive channel 38 of return flow line 39 is little, increases mercury 42 and is back to time of liquid storage cylinder 37 by conducting cavity 36, promptly is the time that increases upper contact head 40 and following contact 41 conductings; Upper contact head 40 is connected with power supply, and following contact 41 is connected with electromagnetic coil 8; During big wind dodge gate 2 quick closedowns; Because action of inertia, the mercury 42 of liquid storage cylinder 37 charges into conducting cavity 36 through conductive channel 38, utilizes mercury 42 that the upper contact head 40 of conducting cavity 36 is connected with following contact 41; Connect the power supply of electromagnetic coil 8 through upper contact head 40 and following contact 41; Behind the power connection, mercury 42 39 is got back to liquid storage cylinder 37 by conducting cavity 36 through the return flow line, and the power supply of electromagnetic coil 8 is cut off.

The operating principle of children's door is: during use, the shell 5 of electromagnetism anti-jamming device is installed on the lower end of dodge gate 2, the brake member 14 that makes a brake apparatus 5 is in the face of floor 15, and makes the brake block 21 of brake member 14 leave the gap with floor 15; When big wind dodge gate 2 quick closedowns; Because action of inertia; The closed power supplys of connecting electromagnetic coils 8 of inertia switch 4, inhale iron core 9 down in electromagnet 6 generation magnetic fields, iron core 9 drive pendulum stop 11 overcome support spring 13 elastic force move down; Utilize pendulum stop 11 brake member 14 and floor 15 frictions, prevent that dodge gate 2 from being blown quick closedown by strong wind; After dodge gate 2 slowed down, the power supply of electromagnetic coil 8 was cut off in inertia switch 4 disjunctions, and magnetic field disappears, and iron core 9 and pendulum are stopped and 11 under the elastic force effect of support spring 13, moved up and reset, and made pendulum 11 brake members 14 of stopping leave floor 15.

Claims

1. children's door includes doorframe (1) and dodge gate (2), and dodge gate (2) is hinged with doorframe (1); It is characterized in that: described children's door is provided with electromagnetism anti-jamming device (43), and electromagnetism anti-jamming device (43) includes electromagnetism brake apparatus (3), inertia switch (4) and shell (5), and electromagnetism brake apparatus (3) includes electromagnet (6) and door brake apparatus (44); Electromagnet (6) includes framework (7), electromagnetic coil (8) and iron core (9), and framework (7) is fixedly connected with shell (5), and iron core (9) is actively tied in the iron core hole (10) of framework (7); Door brake apparatus (44) includes that pendulum is stopped (11), guide pin bushing (12) and support spring (13); Guide pin bushing (12) is fixedly connected with the bottom of shell (5); Pendulum is stopped that (11) supported spring (13) supports and is connected movingly with guide pin bushing (12); The upper end of support spring (13) stop with pendulum (11) be connected, the lower end of support spring (13) contacts with the bottom of shell (5); Putting stop (11) is fixedly connected with iron core (9); The supported spring of iron core (9) (13) is propped up; Make between last magnetic plate (45) and the framework (7) of iron core (9) and leave the gap, the size of the last magnetic plate (45) of iron core (9) is bigger than the size of iron core hole (10), pendulum stop (11) be provided with brake member (14); During installation, shell (5) is installed on dodge gate (2) lower end position, and brake member (14) is positioned at the top of floor (15), leaves the gap between brake member (14) and floor (15); The switch contacts (16) of inertia switch (4) is connected in series with the electromagnetic coil (8) of electromagnet (6); During wind dodge gate (2) quick closedown; The closed power supply of connecting electromagnetic coil (8) of inertia switch (4); Electromagnet (6) produces magnetic field iron core (9) is inhaled down; Iron core (9) drives the pendulum elastic force that (11) overcome support spring (13) of stopping and moves down, and utilizes pendulum the stop brake member (14) and floor (15) friction of (11), prevents that dodge gate (2) from being blown quick closedown by strong wind.

2. children's door according to claim 1; It is characterized in that: stop (11) and iron core (9) of described pendulum is fixedly connected on the below of iron core (9), pendulum stop (11) be provided with screwed hole (17), brake member (14) comprises set screw (18), regulating wheel (19), locking nut (20) and brake block (21); Set screw (18) is connected with screwed hole (17); Set screw (18) is fixedly connected with regulating wheel (19), and brake block (21) is fixedly connected with regulating wheel (19), and the screw thread of locking nut (20) is threaded with set screw (18); Locking nut (20) is positioned at the below of screwed hole (17); During rotation adjusting wheel (19), set screw (18) moves up or down in screwed hole (17), is used to regulate the distance on brake block (21) and floor (15); After the distance on brake block (21) and floor (15) mixes up, utilize locking nut (20) with set screw (18) and screwed hole (17) locking.

3. children's door according to claim 1; It is characterized in that: described inertia switch (4) includes pendulum (27), fork (28), hinge (29), fixed electrical contact (30) and flexible lamp contact (31); Shell (5) is connected with hinge (29); Hinge (29) is connected with fork (28), the axis of hinge (29) and the axis normal that is installed on the hinge (24) of dodge gate (2); Fixing electric point (30) is located on the insulation holder (32) of shell (5); Insulation holder (32) is actively tied in the cover for seat (33); Be provided with buffer spring (34) in the cover for seat (33); One end of buffer spring (34) contacts with insulation holder (32), and the other end of buffer spring (34) contacts with shell (5), and buffer spring (34) is the compression spring; Movable electrical contact (31) is located at the movable insulating base (33) of pendulum (27), and fixing electric contacts (30) is located at the track position of movable electrical contact (31) swing, and fixing electric contacts (30) is connected with power supply, and movable electrical contact (31) is connected with electromagnetic coil (8); During big wind dodge gate (2) quick closedown; Pendulum (27) swing; The movable electrical contact (31) of being located at pendulum (27) be located at shell (5) fixing electric contacts (30) and contact; Connect the power supply of electromagnetic coil (8), simultaneously, utilize buffer spring (34) to increase the time that movable electrical contact (31) contacts with fixing electric contacts (30).

4. children's door according to claim 1; It is characterized in that: described inertia switch (4) includes insulation shell (35); Insulation shell (35) is provided with the conducting cavity (36) of sealing, liquid storage cylinder (37), conductive channel (38), return flow line (39), upper contact head (40) and the following contact (41) of sealing; The top of conducting cavity (36) is communicated with the top of liquid storage cylinder (37) through conductive channel (38), and the bottom of conducting cavity (36) is communicated with liquid storage cylinder (37) through return flow line (39), and liquid storage cylinder (37) is provided with mercury (42); The position of conducting cavity (36) is higher than the position of liquid storage cylinder (37), and the sectional area of the sectional area ratio conductive channel (38) of return flow line (39) is little; Upper contact head (40) is connected with power supply, and following contact (41) is connected with electromagnetic coil (8); During big wind dodge gate (2) quick closedown; Because action of inertia, the mercury (42) of liquid storage cylinder (37) charges into conducting cavity (36) through conductive channel (38), utilizes mercury (42) that the upper contact head (40) of conducting cavity (36) is connected with following contact (41); Connect the power supply of electromagnetic coil (8) through upper contact head (40) and following contact (41); Behind the power connection, mercury (42) by conducting cavity (36) through the return flow line (39) get back to liquid storage cylinder (37), the power supply of electromagnetic coil (8) is cut off.

5. children's door according to claim 1; It is characterized in that: the operating principle of described children's door is: during use; The shell (5) of electromagnetism anti-jamming device is installed on the lower end of dodge gate (2); Make the brake member (14) of a brake apparatus (5) face floor (15), and make the brake block (21) of brake member (14) and floor (15) leave the gap; When big wind dodge gate (2) quick closedown; Because action of inertia; The closed power supply of connecting electromagnetic coil (8) of inertia switch (4), electromagnet (6) produce magnetic field iron core (9) are inhaled down, and iron core (9) drives the pendulum elastic force that (11) overcome support spring (13) of stopping and moves down; Utilize the brake member (14) and floor (15) friction of putting stop (11), prevent that dodge gate (2) from being blown quick closedown by strong wind; After dodge gate (2) slowed down, the power supply of electromagnetic coil (8) was cut off in inertia switch (4) disjunction, and magnetic field disappears, iron core (9) and pendulum stop (11) under the elastic force effect of support spring (13), move up and reset, make pendulum (11) brake member (14) of stopping leave floor (15).