CN2073914U

CN2073914U - Lock for door

Info

Publication number: CN2073914U
Application number: CN 90208327
Authority: CN
Inventors: 唐忠联
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-06-11
Filing date: 1990-06-11
Publication date: 1991-03-27

Abstract

The utility model relates to a door lock. The door lock is characterized in that a switch is arranged in the position in a lock catch, and the position is corresponding to a position in which a lock tongue is extended into the lock catch. The switch can be a travel switch, a magnetic controlled switch, a reed switch, a photoelectric switch or a proximity switch. After people lock a door and leave, the door lock can automatically cut all or part of indoor load power sources, or can simultaneously charge some electric appliances, such as an anti-theft alarm device, etc. The door lock is suitable for occasions, such as various dwelling houses, apartments, dormitories, restaurants, institutions, offices, camps, workshops, etc. The door lock not only can save energy, but also can prevent the accident hazards such as fires, etc. caused by the fact that electric appliances are communicated with power sources for a long time.

Description

Door lock

The utility model relates to a kind of door lock.

Present widely used door lock, all only possesses the effect of locking door, owing to can not help or remind the user when withdrawing from a room, illumination and other electrical equipment in room are in time closed, form easily normal bright lamp, and the long-time energising of some electrical equipment that should not switch on for a long time and cause accident such as fire.

The purpose of this utility model is to propose a kind of novel door lock, and this door lock can be locked a door the people and be given indoor all or part of appliance cut-off when leaving automatically, perhaps gives other electrical equipment simultaneously, powers up as burglar alarm etc.

The purpose of this utility model is achieved through the following technical solutions.

On the snap close of door lock, put in dead bolt a switch is housed on the corresponding position, executive component can directly be controlled or drive to this switch or by suitable circuit drives executive component control load loop, is implemented in the people and locks a door and cut off the purpose of load circuit when leaving automatically.

By selecting suitable circuit and executive component for use, or select switch for use, can when cutting off indoor load power source, give other electrical equipment, as protect alert device etc. and power up with transfer contact.

For the snap close of exposed type, switch can directly be contained on the keeper, for concealed snap close, the snap close orifice plate can be changed into corresponding keeper or fix some supports simply on the snap close orifice plate and be used for installing switch.

Describe the utility model in detail below in conjunction with accompanying drawing.

Fig. 1 to shown in Figure 4 be typical structure according to the snap close that the utility model proposes.

Among Fig. 1, switch (1) is contained on the support (5) on the snap close orifice plate (2), and to put in the position corresponding with dead bolt (3).This switch can be travel switch or reed capsule or magnetic switch.Dead bolt directly promotes the drive link of travel switch when adopting travel switch.A permanent magnet then is housed to drive reed capsule or magnetic switch when adopting reed capsule or magnetic switch on the relevant position, end of dead bolt (3).(6) are doorframes among the figure, and (7) are wire holes.

The difference of Fig. 2 and Fig. 1 is that switch (1) is contained in the sidewall of keeper (8), if adopt reed capsule or magnetic switch, then the corresponding side in the dead bolt end is equipped with magnet (4) to drive reed capsule or magnetic switch.This switch also can be a travel switch, and (6) are doorframes, and (7) are wire holes.

Among Fig. 3, switch (1) be one by being contained in the blocking type optoelectronic switch that support (12) on the snap close orifice plate (2) and the light-emitting component (10) on (13) and photo detector (11) are formed respectively, the dead bolt that light is therebetween put in (3) blocking-up and make the state turnover of switch.(6) are doorframes among the figure, and (7) are wire holes.

Among Fig. 4, switch (1) is a reflective photoelectric switch (14) that is contained in keeper (8) sidewall, it is non-reflective surface that its corresponding surface (15) is located, can the coating black lusterless paint or paste the black flannelette, the dead bolt that the light that optoelectronic switch (14) penetrates is put in reflects back, and is accepted by photo detector wherein and make the state turnover of switch.For not open wiring, wire hole (16) is opened the sidewall at keeper, and also has wire hole (17) accordingly on doorframe (6).

Further specify the utility model below in conjunction with embodiment.

If door lock has a square tongue, then switch (1) is contained in square tongue and puts on the corresponding position, position, as shown in Figure 5.

Among Fig. 5, switch (1) is a reed capsule or magnetic switch, is contained on the support (5) on the snap close orifice plate (2), and there is a magnet (4) square tongue (18) end to drive reed capsule or magnetic switch, and (6) are doorframes, and (7) are wire holes.

If the square tongue of door lock has two or more apertures, then switch (1) be contained in square tongue second aperture or the corresponding position of maximum opening on.As shown in Figure 6.

Among Fig. 6, switch (1) is a travel switch (19), is installed on the support (5) on the snap close orifice plate (2), and the drive link (20) that promotes travel switch (19) when square tongue reaches second aperture or maximum opening makes the on off state upset.(6) be doorframe, (7) are place's wire holes.Dotted line among the figure (21) is the position of travel switch (19) drive link (20) when resetting, the position of (22) side of being tongue (18) first apertures.

If door lock is to utilize oblique tongue to have two apertures to realize tamper-resistant function, then switch (1) be contained in the oblique corresponding position of tongue second aperture on.As shown in Figure 7.

Among Fig. 7, switch (1) is by being contained in the blocking type optoelectronic switch that light-emitting component (10) on keeper (8) two side and photo detector (11) are formed respectively, when tiltedly tongue (23) reaches second aperture blocking-up therebetween light and make the on off state upset.(6) be doorframe, (16), (17) are wire holes.It shown in the dotted line among the figure (24) position of first aperture of oblique tongue.

If door lock has one only by the square tongue (having only at least with key just can make this side's tongue stretch out by tapered end) of tapered end control, then switch (1) should be contained in this side's tongue and put on the corresponding position of snap close.As shown in Figure 8.

Among Fig. 8, (25) are the square tongues of only being controlled by tapered end, and (26) are can be by the square tongue of handle control in the door, and (27) are oblique tongues.Switch (1) is a reflective photoelectric switch (14), is contained on the sidewall of keeper (8), and (16) are wire holes, and (6) are doorframes.

Selected four kinds of different switches among Fig. 5 to Fig. 8 for use, any one in these four kinds of switches all is applicable to any in aforementioned four kinds of situations.

Lock body and door all do not draw among eight width of cloth figure of front.

Fig. 9 to Figure 13 is several typical peripheral circuit of the present utility model.

Among Fig. 9, switch (1) is a normal open switch (is dead bolt when putting in snap close switch contact closure), needs the load 1 of outage to be connected on the constant close contact loop of relay J D, and the load 2 that need power up is connected on the constant open contact loop of relay J D.When locking a door, dead bolt puts in snap close and makes switch closure, and the relay J D adhesive of switching on gives load 1 outage, powers up for simultaneously load 2.

Among Figure 10, switch (1) is a blocking type optoelectronic switch, and the switching signal of this switch is amplified rear drive relay J D through transistor Q1, and load 1 is connected on the constant open contact of relay J D, and load 2 is connected on the constant close contact of relay J D.When locking a door, the light that light emitting diode sends is put in the dead bolt blocking-up of snap close, and photistor Q2 ends, and Q1 ends, and relay J D releases of cut off the power supply cuts off the power supply for the load 1 that is connected on the constant open contact loop, powers up to the load 2 that is connected on the constant close contact loop simultaneously.

Sort circuit be applicable to various when dead bolt puts in snap close on off state by the switch of " lead to " being converted to " break " or by " low-resistance " be converted to " high resistant ".

Among Figure 11, switch (1) is a reflective photoelectric switch, and the switching signal of this switch is amplified rear drive relay J D through transistor Q1, and load 1 is connected on the constant close contact of relay J D, and load 2 is connected on the constant open contact of relay J D.When locking a door, the dead bolt that the light that optoelectronic switch sends is put in snap close reflects back, the optoelectronic switch conducting, and the Q1 conducting, the relay J D adhesive of switching on gives the load that is connected on the constant close contact loop 1 outage, powers up for simultaneously the load 2 that is connected on the constant open contact loop.

Sort circuit be applicable to various when dead bolt puts in snap close on off state " be converted to " low-resistance by " break " being converted to " lead to " or by " high resistant " switch.

Switch (1) also can be near switch, contact-making switch, inductive switch or pressure sensitive switch etc., according to switch dead bolt is put in the differential responses of snap close, can select Figure 10 or circuit shown in Figure 11 for use.

Aforesaid executive component can be a relay, also can be controllable silicon.

Among Figure 12, switch (1) is a normally closed switch (is dead bolt when putting in snap close switch contact disconnect), the direct control load of this switch loop.When locking a door, dead bolt puts in snap close disconnects the contact of switch, cuts off the power supply of load circuit.

Among Figure 13, switch (1) is a switch with transfer contact, needs the load 1 of outage to be connected on the constant close contact of switch (1), and the load 2 that need power up is connected on the constant open contact of switch (1).When locking a door, dead bolt puts in snap close and makes the on off state upset, gives load 1 outage, powers up for simultaneously load 2.

For preventing in door, to bolt the door mistiming with dump, can add an auxiliary switch and auxiliary circuit, auxiliary switch can be press button, soft-touch control, near switch, inductive switch or some sensors, as electrothermic type infrared sensor etc.The structure of auxiliary circuit as shown in figure 14.

Among Figure 14, two nor gate IC1, IC2 constitute a latch, and its course of work is; When the people indoor when closing the door or bolting the door, pressing or trigger can automatically reset auxiliary switch, (this switch is " normal open switch ", promptly when not pressed or triggering, import for high level pulse of IC2 for " disconnections ", " high resistant " or output " low level "), if K switch 1 disconnection this moment, the output of IC1 will be locked as " high level ", make Q1 continue conducting; If this moment, K switch 1 was still closed, Q1 is also because of K1 conducting conducting, and relay is kept to indoor load power supply.As people during outdoor locking a door, because auxiliary switch is output as " low level ", the output of IC1 is locked as " low level ", door lock closes back K switch 1 and disconnects, and Q1 ends, the relay J D release of cutting off the power supply, give the load that is connected on the constant open contact loop 1 outage, power up for simultaneously the load 2 that is connected on the constant close contact loop.

The utility model is applicable to occasions such as various private residences, apartment, dormitory, restaurant, office, office, barracks, workshop.

In sum, the utility model has the advantages that to lock a door the people cuts off the power supply of indoor all or part of load when leaving automatically, not only can save energy, but also can prevent from causing because of the long-time energising of electrical equipment the danger of the accidents such as fire.

Claims

1, a kind of door lock is characterized in that going up in snap close (2) or (8) and dead bolt (3), (18), (23) or (25) put in the corresponding position of snap close switch (1) is housed.

2, door lock according to claim 1 is characterized in that said switch (1) is contained in:

2.1 square tongue (18) puts in the corresponding position of snap close (2); Perhaps:

2.2 with the corresponding position of square tongue (18) second apertures; Perhaps:

2.3 with the corresponding position of oblique tongue (23) second apertures, perhaps:

2.4 put in the corresponding position of snap close with the square tongue of only controlling (25) by tapered end.

3, door lock according to claim 1 and 2 is characterized in that said switch (1) is

3.1 travel switch, perhaps

3.2 magnetic switch or reed capsule, and magnet (4) is housed in the dead bolt end corresponding with the position of switch, perhaps

3.3 optoelectronic switch, perhaps

3.4 near switch.

4, door lock according to claim 1 is characterized in that locking, and on the snap close or lock an auxiliary switch is housed near doorframe and the wall, can be button-shape, soft-touch control, and inductive switch is near switch or infrared sensor.