CN204754496U - Door lock - Google Patents
Door lock Download PDFInfo
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- CN204754496U CN204754496U CN201520555337.9U CN201520555337U CN204754496U CN 204754496 U CN204754496 U CN 204754496U CN 201520555337 U CN201520555337 U CN 201520555337U CN 204754496 U CN204754496 U CN 204754496U
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- latch bolt
- tongue
- assembly
- shifting block
- block
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Abstract
The utility model relates to a door lock technical field discloses a door lock, and this door lock includes the casing, installs in the oblique tongue subassembly of casing, the oblique tongue drive assembly of the oblique tongue subassembly of drive action, square tongue subassembly, oblique tongue linkage piece and square tongue shifting block, wherein: oblique tongue linkage piece fixed mounting in the telescopic link of oblique tongue subassembly, square tongue shifting block can wind rotatory ground of first pivotal axis pivot to be adorned on the casing, square tongue shifting block with the transmission of square tongue subassembly is connected, square tongue shifting block has the messenger the hasp of square tongue subassembly stretches out the first station of casing and makes the second station of the hasp withdrawal casing of square tongue subassembly, when square tongue shifting block is in during first station, square tongue shifting block with tongue linkage piece transmission connection to one side. This door lock can remove in the unblock of the oblique tongue subassembly of drive and lock, and this door lock's part is less, and transmission structure is simple.
Description
Technical field
The utility model relates to door lock technical field, particularly a kind of door lock.
Background technology
Current Most electronic lock construction on the market as shown in Figure 1.Under the state of locking of closing the door, the lock bolt of side's tongue assembly 105 and the lock bolt of latch bolt assembly 102 stretch out housing 101, retraction latch bolt assembly 102 needs the locking of arming tongue limited block 106 pairs of latch bolt assemblies 102, removes to lock the i.e. side's of retraction tongue assembly 105 side of needs tongue shifting block 104 and be rotated counterclockwise the side's of drive tongue assembly 105 and retract.
Therefore, it is as follows that above-mentioned electronic lock removes the process of locking: as shown in Figure 1, pressing down handle can drive handle switch block assembly 110 to rotate, then latch bolt shifting block assembly 120 and latch bolt linkage block 103 is driven to rotate, latch bolt linkage block 103 drives again unblock linkage block 130 to rotate simultaneously, unlocking linkage block 130 drives safety tongue limited block 106 to rotate, thus the latch functions of arming tongue limited block 106 pairs of latch bolt assemblies 102, now, latch bolt assembly 102 can be retracted under the drive of latch bolt shifting block assembly 120; Unlocking while linkage block 130 is rotated to drive again solution lock dog 140 to rotate, and separating lock dog 140 can be rotated counterclockwise by the side's of drive tongue shifting block 104, and final side's tongue shifting block 104 side of drive tongue assembly 105 is retracted, thus releasing door lock is locked.
The structure of above-mentioned this electronic lock can drive retraction side's tongue assembly 105 by pressing down handle, namely have while driving latch bolt assembly 102 to unlock and remove the function of locking, but removing to lock needs to be transferred to by latch bolt linkage block 103 to unlock linkage block 130, then be transferred to and separate lock dog 140, the side's of being transferred to tongue shifting block 104 again, and retracted by square tongue shifting block 104 side of drive tongue assembly 105, namely need four parts and releasing can be realized by four groups of transmissions to lock, part used is more, structure is more complicated, therefore causes the less stable of door lock.
Utility model content
The utility model provides a kind of door lock, and this door lock can be removed and lock while driving latch bolt assembly unlocks, and the part of this door lock is less, and drive mechanism is simple.
For achieving the above object, the utility model provides following technical scheme:
A kind of door lock, the square tongue assembly of the described housing that comprises housing, is installed on the latch bolt assembly of described housing, drives the latch bolt driven unit of described latch bolt assembly action, is installed on, also comprises latch bolt linkage block and square tongue shifting block; Wherein:
Described latch bolt linkage block is fixedly installed in the expansion link of described latch bolt assembly;
Described side's tongue shifting block can be installed on described housing around the first pivotal axis rotatably, and described side's tongue shifting block and described side's tongue assembly are in transmission connection; Described side's tongue shifting block has makes the lock bolt of described side's tongue assembly stretch out the first station of housing and make second station of lock bolt retraction housing of described side's tongue assembly; When described side's tongue shifting block is in described first station, described side's tongue shifting block and described latch bolt linkage block are in transmission connection.
In above-mentioned door lock, latch bolt assembly can be driven to stretch by latch bolt driven unit thus make the lock bolt of latch bolt assembly stretch out housing or retraction housing, when driving latch bolt assembly to retract by latch bolt driven unit, the latch bolt linkage block be fixed on latch bolt assembly expansion link can be moved with latch bolt assembly, latch bolt linkage block with during the action of latch bolt assembly can the side's of drive tongue shifting block around the first pivotal axis by the first station rotary to the second station, side's tongue shifting block can be retracted with the square tongue assembly making lock bolt and be in the state of stretching out by the side's of drive tongue component movement to during the second station rotary gradually by the first station, when square tongue shifting block rotates lock bolt to the second station time side tongue assembly completely in retraction housing, thus can realize removing locking of door lock, from above-mentioned transmission process, this door lock can realize releasing by the driving of latch bolt driven unit and lock, namely remove while driving latch bolt assembly unlocks and lock, and the process that releasing is locked only needs by the latch bolt linkage block side of being transferred to tongue shifting block, and retracted by the square tongue shifting block side of drive tongue assembly, namely only need two parts just can realize releasing by two groups of drive mechanisms to lock, therefore, relative to removing the door latch structure locked in prior art by latch bolt driven unit, the part of above-mentioned door lock is less, and drive mechanism is simple.
Therefore, above-mentioned door lock can be removed and lock while driving latch bolt assembly unlocks, and this door lock part is less, and drive mechanism is simple.
Preferably, described side's tongue shifting block is provided with the first guide peg of axial line and described first pivoting axis parallel;
Described latch bolt linkage block is provided with the first gathering sill be slidably matched with described first guide peg, and described first gathering sill is provided with locks position and unlock position; Wherein: when to lock described in described first guide peg is positioned at, described side's tongue shifting block is in the first station, when described first guide peg is positioned at described unlock position, described side's tongue shifting block is in the second station.
Preferably, described side's tongue shifting block is also provided with the first backstay coaxially arranged with described first pivotal axis; Described latch bolt linkage block is provided with the first escape groove be slidably matched with described first backstay, and described first escape groove is the kidney slot extended along the bearing of trend of described expansion link.
Preferably, described first gathering sill is also provided with free position, described side's tongue shifting block be in the second station and the lock bolt of described latch bolt assembly is in the state of stretching out housing time, described first guide peg is positioned at the free position of described first gathering sill.
Preferably, described side's tongue shifting block and described side's tongue assembly are in transmission connection, and specifically comprise: described side's tongue shifting block is provided with the second guide peg of axial line and described first pivoting axis parallel; Described side's tongue assembly is provided with the second gathering sill be slidably matched with described second guide peg.
Preferably, described latch bolt driven unit comprises: the handle switch block assembly that can be installed in housing around the second pivotal axis rotatably, described second pivotal axis and described first pivoting axis parallel; The latch bolt shifting block assembly of housing can be installed in rotatably around the 3rd pivotal axis, described 3rd pivotal axis and described first pivoting axis parallel, and described latch bolt shifting block assembly and described handle switch block assembly are in transmission connection, described latch bolt shifting block assembly and described latch bolt assembly are in transmission connection.
Preferably, described latch bolt shifting block assembly is provided with the second backstay of axial line and described first pivoting axis parallel; Described latch bolt linkage block is provided with the second escape groove be slidably matched with described second backstay, and described second escape groove is that kidney slot, bearing of trend are vertical with described first pivotal axis and vertical with the bearing of trend of the expansion link of described latch bolt assembly.
Preferably, described door lock also comprises the safety tongue limited block for locking latch bolt assembly; Described safety tongue limited block can be installed on described housing around the 4th pivotal axis rotatably, described 4th pivotal axis and described first pivoting axis parallel; When the lock bolt of described latch bolt assembly is in the state of stretching out housing, be in transmission connection between described safety tongue limited block and described latch bolt linkage block.
Preferably, described latch bolt linkage block is provided with a convex key; Described safety tongue limited block is provided with a leg driven for described convex key, and one for locking the locking end of latch bolt assembly; When the lock bolt of described latch bolt assembly is in the state of stretching out housing, the locking end locking latch bolt assembly of described safety tongue limited block, the convex key of described latch bolt linkage block and the leg of described safety tongue limited block are in transmission connection.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of door lock in prior art;
A kind of door lock that Fig. 2 a provides for the utility model embodiment is being in structural representation when locking state;
Fig. 2 b is the syndeton schematic diagram of latch bolt linkage block and latch bolt assembly in the door lock shown in Fig. 2 a;
Fig. 2 c is the drive mechanism schematic diagram in the door lock shown in Fig. 2 a between latch bolt driven unit, latch bolt assembly, latch bolt linkage block and safety tongue limited block;
Fig. 2 d is the perspective view of the structure shown in Fig. 2 c;
Fig. 2 e is latch bolt driven unit in the door lock shown in Fig. 2 a, drive mechanism schematic diagram between latch bolt linkage block and square tongue shifting block;
Fig. 2 f is the perspective view of the structure shown in Fig. 2 e;
Structural representation when the first gathering sill that the first guide peg that Fig. 2 g is tongue shifting block square in the door lock shown in Fig. 2 a is arranged in latch bolt linkage block is locked;
The first guide peg that Fig. 2 h is tongue shifting block square in the door lock shown in Fig. 2 a is arranged in structural representation during the first gathering sill unlock position of latch bolt linkage block;
The first guide peg that Fig. 2 i is tongue shifting block square in the door lock shown in Fig. 2 a is arranged in structural representation during the first free position of gathering sill of latch bolt linkage block;
Fig. 2 j is the structural representation of door lock when being in released state shown in Fig. 2 a.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 2 a ~ Fig. 2 j.
As shown in Fig. 2 a ~ Fig. 2 j, a kind of door lock that the utility model embodiment provides, this door lock comprises housing 10, is installed on the latch bolt assembly 2 of housing 10, drives the latch bolt driven unit 1 of latch bolt assembly 2 action, is installed on the square tongue assembly 5 of housing 10; Latch bolt linkage block 3 and square tongue shifting block 4 can also be comprised; Wherein:
Latch bolt linkage block 3 is fixedly installed in the expansion link 22 of latch bolt assembly 2;
Side's tongue shifting block 4 can be installed on housing 10 around the first pivotal axis a rotatably, and latch bolt linkage block 3, square tongue shifting block 4 are in transmission connection in order with square tongue assembly 5, are namely in transmission connection between square tongue shifting block 4 and latch bolt linkage block 3 and are in transmission connection between square tongue shifting block 4 and square tongue assembly 5; Described side's tongue shifting block 4 has the first station and the second station; When square tongue shifting block 4 is in the first station, the lock bolt 51 of square tongue assembly 5 stretches out housing 10 and is in make door lock the state of locking, and when square tongue shifting block 4 is in the second station, the lock bolt 51 of square tongue assembly 5 is retracted in housing 10 to make door lock be in the state removed and lock; When square tongue shifting block 4 is in the first station and latch bolt assembly 2 is retracted (as shown in Fig. 2 c and Fig. 2 e, latch bolt assembly 2 moves to the direction of arrow indication) time, latch bolt linkage block 3 side of driving tongue shifting block 4 rotates around the first pivotal axis a, until square tongue shifting block 4 is by the first station rotary to the second station.
In above-mentioned door lock, latch bolt assembly 2 can be driven along the bearing of trend stretching motion of its expansion link 21 by latch bolt driven unit 1 thus make the lock bolt 21 of latch bolt assembly 2 stretch out housing 10 or retraction housing 10, retract (as shown in Fig. 2 c and Fig. 2 e when being driven latch bolt assembly 2 by latch bolt driven unit 1, latch bolt assembly 2 moves to the direction of arrow indication) time, the latch bolt linkage block 3 be fixed on latch bolt assembly 2 expansion link 22 can be moved with latch bolt assembly 2, and latch bolt linkage block 3 is moved (as shown in Fig. 2 c and Fig. 2 e with latch bolt assembly 2, latch bolt linkage block 3 is moved to the direction of arrow indication) time can the side's of drive tongue shifting block 4 around the first pivotal axis a by the first station rotary to the second station, side's tongue shifting block 4 can be retracted by the side's of drive tongue assembly 5 square tongue assembly 5 of moving to make its lock bolt 51 be in the state of stretching out to during the second station rotary gradually by the first station, when square tongue shifting block 4 rotates lock bolt 51 to the second station time side tongue assembly 5 completely in retraction housing 10, thus can realize removing locking of door lock, from above-mentioned transmission process, this door lock can realize releasing by the driving of latch bolt driven unit 1 and lock, namely remove while driving latch bolt assembly 2 unlocks and lock, and the process that releasing is locked only needs by latch bolt linkage block 3 side of being transferred to tongue shifting block 4, and retracted by square tongue shifting block 4 side of drive tongue assembly 5, namely only need two parts just can realize releasing by two groups of drive mechanisms to lock, therefore, relative to removing the door latch structure locked in prior art by latch bolt driven unit, the part of above-mentioned door lock is less, and drive mechanism is simple.
Therefore, above-mentioned door lock can be removed and lock while driving latch bolt assembly unlocks, and this door lock part is less, and drive mechanism is simple.
As shown in Fig. 2 e ~ 2i, in a kind of specific embodiment, square tongue shifting block 4 specifically can comprise with being in transmission connection between latch bolt linkage block 3: square tongue shifting block 4 is provided with axial line first guide peg 41 parallel with the first pivotal axis a; Latch bolt linkage block 3 is provided with the first gathering sill 31, first gathering sill 31 be slidably matched with the first guide peg 41 and is provided with and locks position and unlock position; Wherein, as shown in Figure 2 g, the time side's tongue shifting block 4 of locking being positioned at the first gathering sill 31 when the first guide peg 41 is in the first station, and as shown in fig. 2h, the unlock position time side tongue shifting block 4 being positioned at the first gathering sill 31 when the first guide peg 41 is in the second station.Transmission process between side's tongue shifting block 4 and latch bolt linkage block 3 can comprise: as shown in Fig. 2 e ~ 2h, when latch bolt assembly 2 is retracted, latch bolt linkage block 3 is moved (as shown in figure 2e with latch bolt assembly 2, latch bolt linkage block 3 is to the motion of arrow direction), first guide peg 41 of side's tongue shifting block 4 can slide to unlock position from the position of locking of the first gathering sill 31 under the edge position-limiting action of the first gathering sill 31 of latch bolt linkage block 3, thus latch bolt linkage block 3 side of driving tongue shifting block 4 can be realized rotate around the first pivotal axis a, until square tongue shifting block 4 is by the first station rotary to the second station.
In a kind of preferred embodiment, first gathering sill 31 can also be provided with free position, as shown in fig. 2i, when when locking of square tongue shifting block 4 side of relieving tongue assembly 5, latch bolt assembly 2 is in the state of keyed, namely square tongue shifting block 4 is in the second station, the lock bolt 21 of latch bolt assembly 2 is when being in the state of stretching out housing 10, the free position of the first gathering sill 31 of the first guide peg 41 side of being positioned at tongue shifting block 4 of latch bolt linkage block 3.
In summary, when square tongue shifting block 4 is in after the second station, i.e. square tongue assembly 5 remove and lock, the lock bolt 21 of latch bolt assembly 2 can have retracts or stretches out two states: when the lock bolt 21 of latch bolt assembly 2 is in the state of retraction housing 10, as shown in fig. 2h, the first guide peg 41 of latch bolt linkage block 3 is positioned at the unlock position of the first gathering sill 31; When the lock bolt 21 of latch bolt linkage block 3 is in the state of stretching out housing 10, as shown in fig. 2i, the first guide peg 41 of latch bolt linkage block 3 is positioned at the free position of the first gathering sill 31; Therefore, after square tongue assembly 5 releasing is locked, latch bolt linkage block 3 is when moving with the flexible of latch bolt assembly 2, first guide peg 41 freely can be changed between the free position of the first gathering sill 31 and unlock position, namely after square tongue assembly 5 releasing is locked, when driving latch bolt assembly 2 to stretch by latch bolt driven unit 1 again, the other side's tongue shifting block 4 just not have impact on, and now, square tongue shifting block 4 is in the second station all the time, square tongue assembly 5 is in retracted mode all the time.
As shown in Fig. 2 e ~ 2i, on the basis of above-described embodiment, in a kind of specific embodiment, in order to being in transmission connection between the side's of making tongue shifting block 4 and latch bolt linkage block 3 is more reliable and more stable, side's tongue shifting block 4 can also be provided with the first backstay 42 coaxially arranged with the first pivotal axis a, it is the kidney slot extended along the bearing of trend of expansion link 22 that latch bolt linkage block 3 can also be provided with the first escape groove 32, first escape groove 32 be slidably matched with the first backstay 42; Shape and the bearing of trend of the first escape groove 32 can ensure: between square tongue shifting block 4 and latch bolt linkage block 3 carry out transmission and relative motion time the first backstay 42 can freely-movable in the first escape groove 32, be namely slidably matched between the first backstay 42 and the first escape groove 32 during relative motion between square tongue shifting block 4 and latch bolt linkage block 3 and there is no interaction force, can not the transmission between latch bolt linkage block 3 and square tongue shifting block 4 be had an impact; Being slidably matched between above-mentioned first backstay 42 and the first escape groove 32 can make between latch bolt linkage block 3 and square tongue shifting block 4 be in transmission connection more reliable and more stable.
On the basis of the various embodiments described above, in a kind of specific embodiment, as shown in figure 2j, being in transmission connection between square tongue shifting block 4 with square tongue assembly 5 specifically can comprise: square tongue shifting block 4 is provided with axial line second guide peg 43 parallel with the first pivotal axis a; Side's tongue assembly 5 is provided with the second gathering sill 52 be slidably matched with the second guide peg 43; As shown in Fig. 2 a and Fig. 2 j, transmission process between side's tongue shifting block 4 and square tongue assembly 5 specifically can comprise: when square tongue shifting block 4 around the first pivotal axis a from the first station rotary to the second station time, second guide peg 43 of side's tongue shifting block 4 can slide into the other end along one end of the second gathering sill 52 and the side's of drive tongue assembly 5 is retracted under the edge position-limiting action of the second gathering sill 52, to realize removing locking of door lock, as shown in Fig. 2 a and Fig. 2 j, the direction of square tongue assembly 5 retraction movement can be identical with the direction of latch bolt assembly 2 retraction movement.As shown in Figure 2 a, side's tongue shifting block 4 can also be provided with the snap close 44 coaxially arranged with the first pivotal axis a, can be rotated around the first pivotal axis a by the side's of making tongue shifting block 4 by rotating latch 44, thus the side's of realization tongue shifting block 4 is from the first station rotary to the second station or from the second station rotary to the first station, namely by rotating latch 44 can the side's of realization tongue assembly 5 unblock or lock.
On the basis of the various embodiments described above, in a kind of specific embodiment, as shown in Fig. 2 a, Fig. 2 c ~ 2f and Fig. 2 j, latch bolt driven unit 1 can comprise: can be installed in handle switch block assembly 11, the second pivotal axis b of housing 10 rotatably around the second pivotal axis b parallel with the first pivotal axis a; The latch bolt shifting block assembly 12 of housing 10 can be installed in rotatably around the 3rd pivotal axis c, 3rd pivotal axis c is parallel with the first pivotal axis a, and handle switch block assembly 11, latch bolt shifting block assembly 12 are in transmission connection in order with latch bolt assembly 2, namely be in transmission connection between latch bolt shifting block assembly 12 and handle switch block assembly 11, and be in transmission connection between latch bolt shifting block assembly 12 and latch bolt assembly 2; Latch bolt driven unit 1 drives the process of latch bolt assembly 2 to comprise: handle switch block assembly 11 can drive latch bolt shifting block assembly 12 around the 3rd pivotal axis c rotary motion when the second pivotal axis b rotary motion, and the rotary motion of latch bolt shifting block assembly 12 can drive latch bolt assembly 2 stretching motion to stretch out housing 10 or retraction housing 10 with the lock bolt 21 realizing latch bolt assembly 2.As shown in Figure 2 a, handle switch block assembly 11 can be provided with the snap close 111 coaxially arranged with the second pivotal axis b, handle switch block assembly 11 can be made to rotate around the second pivotal axis b by rotating latch 111, thus the unblock of latch bolt assembly 2 can be realized by rotating latch 111 or lock; Preferably, housing 10 outside can be provided with the handle for rotating latch 111, can be facilitated the operation of rotating latch 111 by handle.
From the various embodiments described above, latch bolt linkage block 3 is fixedly installed in latch bolt assembly 2 and can moves together with latch bolt assembly 2, and can rotate by the side's of drive tongue shifting block 4 in the process of motion, namely latch bolt linkage block 3 belongs to mediation member, so its stability and reliability are very important, therefore in order to increase stability in latch bolt linkage block 3 transmission process and reliability, in a kind of specific embodiment, as shown in Fig. 2 c ~ 2f, latch bolt shifting block assembly 12 can be provided with axial line second backstay 121 parallel with the first pivotal axis a; Latch bolt linkage block 3 can be provided with and can be kidney slot with the second escape groove 33, second escape groove 33 that the second backstay 121 is slidably matched and its bearing of trend is vertical with the first pivotal axis a and vertical with the bearing of trend of the expansion link 22 of latch bolt assembly 2; Shape and the bearing of trend of the second escape groove 33 can ensure: between latch bolt shifting block assembly 12 and latch bolt linkage block 3, during relative motion, the second backstay 121 can freely-movable in the second escape groove 33, are namely slidably matched between the second backstay 121 and the second escape groove 33 during relative motion between latch bolt shifting block assembly 12 and latch bolt linkage block 3 and do not have interaction force, can not have an impact to the relative motion between latch bolt shifting block assembly 12 and latch bolt linkage block 3; Being slidably matched between above-mentioned second backstay 121 and the second escape groove 33 can make latch bolt linkage block 3 and the motion process of latch bolt assembly 2 under the driving of latch bolt driven unit 1 more reliable and more stable, namely can strengthen stability and the reliability of latch bolt linkage block 3.
On the basis of above-mentioned two embodiments, in a kind of specific embodiment, as shown in Fig. 2 c and Fig. 2 d, this door lock can also comprise the safety tongue limited block 6 for locking latch bolt assembly 2; Above-mentioned safety tongue limited block 6 can be installed on housing 10 around the 4th pivotal axis d rotatably, and the 4th pivotal axis d is parallel with the first pivotal axis a; Be in transmission connection between safety tongue limited block 6 and latch bolt linkage block 3; When latch bolt assembly 2 is retracted, latch bolt linkage block 3 can drive safety tongue limited block 6 to rotate with the locking of arming tongue limited block 6 pairs of latch bolt assemblies 2, and namely latch bolt linkage block 3 is along with can the locking of arming tongue limited block 6 pairs of latch bolt assemblies 2 when latch bolt assembly 2 moves under the driving of latch bolt driven unit 1.
On the basis of above-described embodiment, in a kind of specific embodiment, as shown in Fig. 2 a, Fig. 2 c ~ 2e and Fig. 2 j, being in transmission connection between safety tongue limited block 6 and latch bolt linkage block 3 specifically can comprise: latch bolt linkage block 3 is provided with a convex key 34; Safety tongue limited block 6 is provided with a leg 61 driven for convex key 34, and one for locking the locking end 62 of latch bolt assembly 2; When latch bolt assembly 2 is retracted (as illustrated in fig. 2 c, latch bolt assembly 2 is to the motion of arrow direction) time, the leg 61 that the convex key 34 of latch bolt linkage block 3 can stir safety tongue limited block 6 rotates around the 4th pivotal axis d to make safety tongue limited block 6, thus the locking end 62 of safety tongue limited block 6 also to rotate and can to remove latch bolt assembly 2 lock bolt 21 spacing around the 4th pivotal axis d, thus relieve the locking of locking end 62 pairs of latch bolt assemblies 2 of safety tongue limited block 6.
Obviously, those skilled in the art can carry out various change and modification to the utility model embodiment and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (9)
1. a door lock, the square tongue assembly of the described housing that comprises housing, is installed on the latch bolt assembly of described housing, drives the latch bolt driven unit of described latch bolt assembly action, is installed on, is characterized in that, also comprises latch bolt linkage block and square tongue shifting block; Wherein:
Described latch bolt linkage block is fixedly installed in the expansion link of described latch bolt assembly;
Described side's tongue shifting block can be installed on described housing around the first pivotal axis rotatably, and described side's tongue shifting block and described side's tongue assembly are in transmission connection; Described side's tongue shifting block has makes the lock bolt of described side's tongue assembly stretch out the first station of housing and make second station of lock bolt retraction housing of described side's tongue assembly; When described side's tongue shifting block is in described first station, described side's tongue shifting block and described latch bolt linkage block are in transmission connection.
2. door lock according to claim 1, is characterized in that,
Described side's tongue shifting block is provided with the first guide peg of axial line and described first pivoting axis parallel;
Described latch bolt linkage block is provided with the first gathering sill be slidably matched with described first guide peg, and described first gathering sill is provided with locks position and unlock position; Wherein:
When to lock described in described first guide peg is positioned at, described side's tongue shifting block is in the first station, and when described first guide peg is positioned at described unlock position, described side's tongue shifting block is in the second station.
3. door lock according to claim 2, is characterized in that,
Described side's tongue shifting block is also provided with the first backstay coaxially arranged with described first pivotal axis;
Described latch bolt linkage block is provided with the first escape groove be slidably matched with described first backstay, and described first escape groove is the kidney slot extended along the bearing of trend of described expansion link.
4. door lock according to claim 2, it is characterized in that, described first gathering sill is also provided with free position, described side's tongue shifting block be in the second station and the lock bolt of described latch bolt assembly is in the state of stretching out housing time, described first guide peg is positioned at the free position of described first gathering sill.
5. door lock according to claim 4, is characterized in that, described side's tongue shifting block and described side's tongue assembly are in transmission connection, and specifically comprise:
Described side's tongue shifting block is provided with the second guide peg of axial line and described first pivoting axis parallel;
Described side's tongue assembly is provided with the second gathering sill be slidably matched with described second guide peg.
6. the door lock according to any one of Claims 1 to 5, is characterized in that, described latch bolt driven unit comprises:
The handle switch block assembly of housing can be installed in rotatably, described second pivotal axis and described first pivoting axis parallel around the second pivotal axis;
The latch bolt shifting block assembly of housing can be installed in rotatably around the 3rd pivotal axis, described 3rd pivotal axis and described first pivoting axis parallel, and described latch bolt shifting block assembly and described handle switch block assembly are in transmission connection, described latch bolt shifting block assembly and described latch bolt assembly are in transmission connection.
7. door lock according to claim 6, is characterized in that,
Described latch bolt shifting block assembly is provided with the second backstay of axial line and described first pivoting axis parallel;
Described latch bolt linkage block is provided with the second escape groove be slidably matched with described second backstay, and described second escape groove is that kidney slot, bearing of trend are vertical with described first pivotal axis and vertical with the bearing of trend of the expansion link of described latch bolt assembly.
8. door lock according to claim 6, is characterized in that, also comprises the safety tongue limited block for locking latch bolt assembly; Described safety tongue limited block can be installed on described housing around the 4th pivotal axis rotatably, described 4th pivotal axis and described first pivoting axis parallel; When the lock bolt of described latch bolt assembly is in the state of stretching out housing, be in transmission connection between described safety tongue limited block and described latch bolt linkage block.
9. door lock according to claim 8, is characterized in that,
Described latch bolt linkage block is provided with a convex key;
Described safety tongue limited block is provided with a leg driven for described convex key, and one for locking the locking end of latch bolt assembly;
When the lock bolt of described latch bolt assembly is in the state of stretching out housing, the locking end locking latch bolt assembly of described safety tongue limited block, the convex key of described latch bolt linkage block and the leg of described safety tongue limited block are in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555337.9U CN204754496U (en) | 2015-07-28 | 2015-07-28 | Door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555337.9U CN204754496U (en) | 2015-07-28 | 2015-07-28 | Door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204754496U true CN204754496U (en) | 2015-11-11 |
Family
ID=54469218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520555337.9U Active CN204754496U (en) | 2015-07-28 | 2015-07-28 | Door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204754496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111593947A (en) * | 2020-06-01 | 2020-08-28 | 中山市德利智能科技有限公司 | Quick-opening and quick-closing mortise lock |
| CN113309418A (en) * | 2021-06-02 | 2021-08-27 | 杭州萤石软件有限公司 | Lock body device |
-
2015
- 2015-07-28 CN CN201520555337.9U patent/CN204754496U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111593947A (en) * | 2020-06-01 | 2020-08-28 | 中山市德利智能科技有限公司 | Quick-opening and quick-closing mortise lock |
| CN113309418A (en) * | 2021-06-02 | 2021-08-27 | 杭州萤石软件有限公司 | Lock body device |
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