CN2658312Y

CN2658312Y - Door lock structure

Info

Publication number: CN2658312Y
Application number: CN 200320100091
Authority: CN
Inventors: 陈遵行
Original assignee: MEISHANG WEISHI PREC MACHINERY
Current assignee: MEISHANG WEISHI PREC MACHINERY
Priority date: 2003-10-14
Filing date: 2003-10-14
Publication date: 2004-11-24
Anticipated expiration: 2013-10-14

Abstract

The utility model relates to a door lock structure which is composed of a shell with a first locking element and a second locking element, a displacement plate, a push strip, an interlocking plate, an electromagnetic valve, a micro switch, a circuit board and a pivot board being provided respectively on the setting position of the shell. By adopting the open and close control of the electromagnetic valve, a shaft bar of the electromagnetic valve can push against the first locking element; when the electromagnetic valve is closed, the push strip can be pushed upward using the traditional method of opening the door by a key; and the push strip will drive the displacement plate to move upward, and make the interlocking board to rotate along the pivot, then push the second locking element to move inward; besides, the shaft bar of the electromagnetic valve is pushed upward through the upward movement of the push strip, the first locking element will then lose the pushing by the shaft bar, and the user can then open the door conveniently. In this way, the utility model provides the utilization function of safe anti-theft.

Description

Door latch structure

Technical field

The utility model relates to a kind of door latch structure, refers to a kind of door latch structure that utilizes electromagnetic valve to open and close control especially.

Background technology

Please cooperate and consult the Taiwan patent announcement number No. 454804, it discloses a kind of door latch structure, and this door latch structure is made up of a lock, a brake, a brake component; Horizontal one side has the tooth plate of double wedge in this lock, this tooth plate one termination is established a dead bolt, and be provided with a connecting rod parallel on this lock in addition with tooth plate, this connecting rod one termination is established an auxiliary dead bolt relative with this dead bolt, and this brake is hubbed on this lock, this brake is positioned at by the side of this tooth plate away from connecting rod, and this brake partly is being provided with a recess across tooth plate; In addition, this brake component is arranged in this tooth plate, and this brake component one end is provided with the convex body with this double wedge form fit.

Composition by above-mentioned known door latch structure, the user is able to stir tooth plate by key, make dead bolt move in the lock fully, and key continues when same direction is stirred, convex body on tooth plate can move down in the pushing and pressing of key, drive the block body of the other end, this block body is pressed on the brake, and brake is inwardly pushed against, so that brake presses on the connecting rod at the end on the connecting rod thereupon, connecting rod is moved inward under the pushing and pressing of brake, and then make at the auxiliary dead bolt on the connecting rod, still door can be opened by under indoor sealed situation.

Though these door locks have the function on the door lock,, it is general mechanical door lock structure, only has single lock function, and the personage that has the inclination is outdoors still utilized general unlocking tool that door is illegally opened, and its antitheft effect is very limited.

Moreover these door latch structures need continue key to insert in the lockhole when opening the door, and when the door body is opened, just are able to oppositely key be rotated, and take out key, make the user extremely inconvenient in operation; Hereat, separate the disappearance of all aforementioned known door locks, have in fact it is made further necessity of improvement.

The design people is because present known door lock, still have improved place in the use, so just be engaged in the production and marketing experience for many years of door lock Related product, and relevant issues at present door lock existence, the method that deep thinking improves, through after repeatedly improveing and testing, develop door latch structure of the present utility model finally.

Summary of the invention

The technical problems to be solved in the utility model is: a kind of function with double locking is provided, makes it to have the door latch structure of the use effect of safe antitheft.

Another technical problem to be solved in the utility model is: promptly be able to key be taken out the door latch structure that makes it to have easy to operate use effect after a kind of unblanking is provided.

For this reason, the utility model proposes a kind of door latch structure, comprise,

One housing, the end face of this housing is provided with plural projection, and the middle section position place of this housing is provided with a horizontal hole slot, and the nearly lower position of this housing is provided with a lockhole;

One can make first latch fitting of lateral displacement in the hole slot of this housing, the dead bolt that a side of this first latch fitting is pivoted respectively and two is mutually dislocation, can protrudes out this hull outside;

One second latch fitting, the end face of this second latch fitting have a recessed breach, and a side of this second latch fitting formation one can protrude out the card division in the outside of this housing;

One displacement plate, this displacement plate is arranged at the end face of this housing, and this displacement plate has a upright opening and an inclined hole, and this upright opening is with this inclined hole and is communicated with setting, and is provided with the projection that is fixed in the housing end face in this upright opening, and this inclined hole can ccontaining this second latch fitting;

One pushes away bar, and this pushes away bar and is arranged at this housing one side, and this end that pushes away bar has a folding part, and this folding part is positioned at the lockhole position of this housing, and this pushes away and convexes with a tip that can promote this displacement plate on the bar;

One interlock plate, a projection of this interlock plate and described housing articulates, and the setting position of this interlock plate forms a hook part and respectively and support portion, and this hook part is positioned at the breach of this second latch fitting, and the portion that should support can support and be stuck in the tip that this pushes away bar;

One electromagnetic valve, this electromagnetic valve has an axostylus axostyle, and an end of this axostylus axostyle sets firmly a catch, and the sheathed elastic parts of the outer peripheral edges of this axostylus axostyle, this elastic parts can push against this catch, and this electromagnetic valve is arranged at the top position that this pushes away bar, and the catch of this electromagnetic valve can support to this first latch fitting;

One microswitch, this microswitch has a compressing tablet, and this microswitch installing is positioned the top of this housing;

One circuit board, this circuit board and this electromagnetic valve form electrical ties, and this circuit board is installed in the top of this housing;

One pin plate, this pin plate are hubbed on the projection of this housing top, and this pin plate has a protuberance and an elongated end, and the axostylus axostyle of above-mentioned electromagnetic valve can push against this elongated end, and this pin plate is provided with pivotly, and the protuberance of this pin plate can push the compressing tablet of this microswitch.

The door latch structure that the utility model proposes utilizes the keying control of electromagnetic valve, makes the axostylus axostyle of electromagnetic valve be pushed against first latch fitting, promptly under the electromagnetic valve normality, makes the catch of axostylus axostyle be continued to push against first latch fitting, make win latch fitting can't in move; When electromagnetic valve is switched on, make in the axostylus axostyle of electromagnetic valve and contract, so, the user just can open door leaf by key, thereby make integral body have the effect of double locking, have more the use effect of safe antitheft, and do not need that lock structure is general as is well known far beyond general door latch structure, need be inserted in constantly in the lockhole, manipulate simple and convenient.

Description of drawings

Fig. 1 is installed in schematic appearance on the door leaf for the utility model;

Fig. 2 is a three-dimensional appearance schematic diagram of the present utility model;

Fig. 3 looks schematic diagram for combination master of the present utility model;

Fig. 4 looks schematic diagram for the master of embodiment opening of the present utility model.

The drawing reference numeral explanation

10, housing 101, projection 102, hole slot 103, lockhole

11, first latch fitting 111, dead bolt 12, second latch fitting 121, breach

122, card division 13, displacement plate 131, upright opening 132, inclined hole

133, displacement plate tail end 14, push away bar 141, folding part 142, tip

15, interlock plate 151, hook part 152, support portion 20, electromagnetic valve

21, axostylus axostyle 22, catch 23, elastic parts 30, microswitch

31, compressing tablet 40, circuit board 50, pin plate 51, protuberance

52, elongated end 60, door leaf

The specific embodiment

What below cooperate the utility model preferred embodiment now graphicly further specifies as followsly, and in the hope of making the personage who is familiar with the utility model correlation technique, the statement of De Yiben manual is implemented according to this.

At first, please cooperate and consult Fig. 1 to shown in Figure 4, the utility model is a kind of door latch structure, and it comprises:

One housing 10, this housing 10 generally is rectangular en plaque, and the end face desired location of this housing 10 is provided with some projections 101, and the middle section position place of this housing is provided with a horizontal hole slot 102, and the nearly lower position of this housing 10 is provided with a lockhole 103.

One first latch fitting 11, this first latch fitting 11 are able to make lateral displacement in the hole slot 102 of this housing 10, and a side of this first latch fitting 11 two dead bolts 111 that are mutually dislocation that are pivoted respectively, and respectively this dead bolt 111 is protruded out the outside of this housing 10.

One second latch fitting 12, the end face of this second latch fitting 12 have a recessed breach 121, and a side of this second latch fitting 12 forms a pointed card division 122, and this card division 122 is protruded out the outside of this housing 10.

One displacement plate 13, this displacement plate 13 is arranged at the end face desired location of this housing 10, and this displacement plate 13 is made 90 ° of knuckles, produce displacement plate tail end 133, its plane has a upright opening 131 and an inclined hole 132, and this upright opening 131 is connected state with this inclined hole 132, and this upright opening 131 must be for projection 101 location of this housing 10, and this inclined hole 132 must be ccontaining for this second latch fitting 12, and the displacement plate tail end 133 of displacement plate 13 withstands catch 22 and prevents that elastic parts 23 from driving axostylus axostyle 21 outer telling.

One pushes away bar 14, it is generally L-shaped that this pushes away bar 14, this pushes away the side that bar 14 is arranged at this housing 10, and this end that pushes away bar 14 has a folding part 141, this folding part 141 is positioned at lockhole 103 positions of this housing 10, and this setting position that pushes away bar 14 is convexly equipped with out a tip 142, and this tip 142 is supported is stuck in interlock plate 15 to portion 152.

One interlock plate 15, this interlock plate 15 is hubbed at the projection 101 of these housing 10 desired locations, and the setting position of this interlock plate 15 forms a hook part 151 and respectively and supports portion 152, this hook part 151 is positioned at the breach 121 of this second latch fitting 12, be able to pivot and should support portion 152, supported being stuck in this tip that pushes away bar 14 142 because of this interlock plate 15.

One electromagnetic valve 20, this electromagnetic valve 20 has an axostylus axostyle 21, one end of this axostylus axostyle 21 sets firmly a catch 22, and the sheathed elastic parts 23 of the outer peripheral edges of this axostylus axostyle 21, make this elastic parts 23 be pushed against this catch 22, and this electromagnetic valve 20 is arranged at the top position that this pushes away bar 14, and the catch 22 of this electromagnetic valve 20 is supported to this first latch fitting 11.

One microswitch 30, this microswitch 30 has a compressing tablet 31, and these microswitch 30 installings are positioned the top desired location of this housing 10.

One circuit board 40, this circuit board 40 forms electrical ties with this electromagnetic valve 20, and this circuit board 40 is installed in the top desired location of this housing 10.

One pin plate 50, this pin plate 50 is hubbed on the projection 101 of these housing 10 top desired locations, and this pin plate 50 has a protuberance 51 and an elongated end 52, this elongated end 52 is able to axostylus axostyle 21 pushing and pressing by this electromagnetic valve 20, make this pin plate 50 be produced pivot, and utilize the compressing tablet 31 of protuberance 51 these microswitches 30 of pushing of this pin plate 50.

By above-mentioned constituting, please cooperate and consult Fig. 1 to shown in Figure 4, door latch structure of the present utility model is assembled on the door leaf 60, when door leaf 60 is closed, utilized the dead bolt 111 of first latch fitting 11 and the card division 122 of second latch fitting 12 to contract simultaneously, simultaneously, displacement plate 13 is pulled downwards, make dead bolt 111 evaginations of first latch fitting 11 enter the setting lockhole (not shown) position of doorframe, and the relevant control that the user is utilized the controller (not shown) that links with circuit board 40 and microswitch 30 to lock a door.

Under the normality, the axostylus axostyle 21 of electromagnetic valve 20 is because of the elastic force of elastic parts 23, make it to push against catch 22 pushing and pressing first latch fitting 11, make first latch fitting 11 can't in the hole slot 102 of housing 10, make lateral displacement (as shown in Figure 3), use effect with the door lock that reaches safe antitheft.

When the user shuts door leaf 60, second latch fitting 12 drives first latch fitting 11 with dead bolt 111 and shrinks in simultaneously in the housing 10, this moment, second latch fitting, 12 drive displacement plates 13 moved the breach 121 that is slipped into second latch fitting 12 with the hook part 151 of seasonal interlock plate 15, door leaf 60 closes and reaches back, the location dead bolt 111 drives first latch fitting 11 outer resiles of telling, elastic parts 23 is released first latch fitting, 11 belows with catch 22, reaches the function of locking.

And when the user desires to open the door, utilize controller to give the control signal that circuit board 40 1 is opened door leaf 60, make electromagnetic valve 20 be in "on" position, at this moment, make catch 22 be recessed in the inside of electromagnetic valve 20, and first latch fitting 11 can be made lateral displacement in the hole slot 102 of housing 10, or the user utilizes a key (not shown) to insert in the lockhole 103 of housing 10 and rotates, make key be able to the folding part 141 that the collocation transmission by general cylinder (Cylinder) lock core pushes away bar 14, and order pushes away bar 14 to top offset (as shown in Figure 4), and, make axostylus axostyle 21 be recessed in the inside of electromagnetic valve 20 to push away the tail end pushing catch 22 of bar 14.

Simultaneously, when pushing away bar 14 to top offset, utilized tip 142 upwards to promote interlock plate 15, driving interlock plate 15 pivots for the center according to projection 101, wait to push away bar 14 tips 142 by interlock plate 15 support portion 152 after, make being supported of interlock plate 15 be stuck in the tip 142 that pushes away bar 14 to portion 152, and the order push away bar 14 can be to bottom offset, when back second latch fitting 12 that opens the door is protruding, the breach 121 of second latch fitting 12 drives the hook part 151 of interlock plate 15, makes interlock plate 15 be the center rotation according to the projection 101 of housing 10, makes the portion 152 that supports of interlock plate 15 leave the tip 142 that pushes away bar 14, make and push away bar 14 answers, at this moment, user's key promptly is able in the lockhole 103 of housing 10 to take out, and does not need as is well known that lock structure is general, need be inserted in constantly in the lockhole, manipulate simple and convenient.

Thus, because axostylus axostyle 21 is recessed in electromagnetic valve 20 inside, make the latch fitting 11 of winning lose the pushing of catch 22 of axostylus axostyle 21, and the person of being easy to use directly opens door leaf 60, it is mobile that first latch fitting 11 is able in the horizontal hole slot 102 of housing 10 in.

In addition, when axostylus axostyle 21 is recessed in electromagnetic valve 20 inside, the other end of axostylus axostyle 21 promptly stretches out (as shown in Figure 4) to the opposite side of electromagnetic valve 20, and the elongated end 52 of promotion pin plate 50, pin plate 50 is pivoted, and utilize pin plate 50 to pivot, even the compressing tablet 31 of the protuberance of pin plate 50 51 pushing microswitches 30, make microswitch 30 feedback signal sub-controllers, to carry out next step control program.

Hereat, the control mode of the utility model door latch structure under electromagnetic valve 20 normalities, makes the catch 22 of axostylus axostyle 21 be continued pushing and pressing first latch fitting 11, make win latch fitting 11 can't in move; And when electromagnetic valve 20 energising, make and contract in the axostylus axostyle 21 of electromagnetic valve 20, so, the user just can open door leaf 60 by key, thereby makes integral body have the effect of double locking, and has more the use effect person of safe antitheft far beyond general door latch structure.

Certainly, the use kenel of electromagnetic valve 20 of the present utility model, (that is the axostylus axostyle 21 of electromagnetic valve 20 stretches out under the normality not only to can be the aforesaid open type attitude of the utility model, by miniature attitude in just being after the energising), also must think closed type attitude (that is contract in the axostylus axostyle 21 of electromagnetic valve 20 under the normality, stretch out kenel), make to be applicable to that different environments for use opens and closes by just being after the energising, and be applicable to can in open, the dual-purpose door leaf of external-open, applicability is extremely wide.

In sum, door latch structure of the present utility model can effectively improve the existing shortcoming of known door lock.

Only the above, it only is the utility model specific embodiment, when not limiting the scope that the utility model is implemented with this, i.e. equivalent variations and the modification of being done according to the utility model application right claimed range and utility model description generally all should still belong in the scope that the utility model patent claims contain.

Claims

1, a kind of door latch structure is characterized in that: described door latch structure comprises,