CN108316768B - Mechanical automatic door lock - Google Patents
Mechanical automatic door lock Download PDFInfo
- Publication number
- CN108316768B CN108316768B CN201810165226.5A CN201810165226A CN108316768B CN 108316768 B CN108316768 B CN 108316768B CN 201810165226 A CN201810165226 A CN 201810165226A CN 108316768 B CN108316768 B CN 108316768B
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- assembly
- rotary
- transmission mechanism
- swing arm
- lock
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- 230000005540 biological transmission Effects 0.000 claims abstract description 119
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B7/00—Handles pivoted about an axis parallel to the wing
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/0013—Followers; Bearings therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member
- E05B17/047—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member with rotating output elements forming part of cylinder locks, e.g. locking cams of double cylinder locks
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/146—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Abstract
The invention discloses a mechanical automatic door lock, which comprises a lock shell, wherein an inclined tongue mechanism, a square tongue, a first transmission mechanism and a second transmission mechanism are arranged in the lock shell; the outer side of the lock shell is respectively provided with an outer pushing mechanism and a lock core assembly, and the inner side of the lock shell is provided with an inner pushing mechanism and a knob; the knob and the lock core assembly can stir the second transmission mechanism to rotate, so that the end part of the square tongue is clamped into the door frame or withdrawn from the door frame; the first transmission mechanism comprises an inner transmission assembly, an outer transmission assembly and a clutch assembly; the outer pushing mechanism drives the outer transmission assembly to rotate, and the inner pushing mechanism drives the inner transmission assembly to rotate; a third transmission mechanism is arranged between the first transmission mechanism and the second transmission mechanism, and a fourth transmission mechanism is arranged between the second transmission mechanism and the inclined tongue mechanism.
Description
Technical Field
The invention relates to the field of mechanical locks, in particular to a mechanical automatic door lock.
Background
The door lock is an indispensable part of life; the door lock generally serves to protect the privacy of the homeowner. Door locks in the current market generally have a latch bolt structure and a square bolt structure. However, the tongue structure and the inclined structure in the existing door lock are mutually independent, or the inclined structure and the tongue are linked. For the door lock with the independent inclined tongue and the independent square tongue, when a person opens the door lock from the room, the inclined tongue and the inclined tongue are required to be operated to open respectively, and the door side can be opened, so that inconvenience in opening the door is caused. For the existing door lock with the linkage of the inclined tongue and the square tongue, the square tongue can drive the inclined tongue to open after being opened, so that the door can be opened, but when the square tongue is not opened, a handle for controlling the inclined tongue to open is fixed and can not rotate outside the door, however, many residents often cannot rotate the handle with full effort in life, when the door is locked, the handle is easily stressed too much, so that the door lock is damaged, and the service life of the door lock is reduced. In addition, the current linkage door lock also needs to open the square tongue indoors, and the inclined tongue can be opened by rotating the handle in the indoor, so that inconvenience is caused by residents. In view of the above drawbacks, it is necessary to design a mechanical automatic door lock.
Disclosure of Invention
The invention provides a mechanical automatic door lock to solve the problems of inconvenient operation and easy damage of the existing door lock.
In order to solve the technical problems, the technical scheme of the invention is as follows: the mechanical automatic door lock comprises a lock shell, wherein an inclined tongue mechanism, a square tongue, a first transmission mechanism and a second transmission mechanism are arranged in the lock shell; the outer side of the lock shell is respectively provided with an outer pushing mechanism and a lock core assembly, and the inner side of the lock shell is provided with an inner pushing mechanism and a knob; the knob and the lock core assembly can stir the second transmission mechanism to rotate, so that the end part of the square tongue is clamped into the door frame or withdrawn from the door frame; the first transmission mechanism comprises an inner transmission assembly, an outer transmission assembly and a clutch assembly; the outer pushing mechanism drives the outer transmission assembly to rotate, and the inner pushing mechanism drives the inner transmission assembly to rotate; a third transmission mechanism is arranged between the first transmission mechanism and the second transmission mechanism, and a fourth transmission mechanism is arranged between the second transmission mechanism and the inclined tongue mechanism; the second transmission mechanism drives the third transmission mechanism to push the clutch assembly to be engaged with the inner transmission assembly and the outer transmission assembly, and when the inclined tongue mechanism withdraws from the door frame, the fourth transmission mechanism is pushed to push the square tongue to withdraw from the door frame.
Further, the inner transmission assembly comprises a first connecting rod connected with the inner pushing mechanism and a toggle cam sleeved on the first connecting rod; the inner pushing mechanism pushes the first connecting rod and the stirring cam to rotate, and the stirring cam pushes the inclined tongue mechanism.
The outer transmission assembly comprises a second connecting rod connected with the outer pushing mechanism, and a connecting shifting block sleeved on the second connecting rod; the end part of the connecting shifting block is provided with a first chute, and the end part of the shifting cam is provided with a clamping groove; the clutch assembly comprises a swing arm with one end pivotally connected with the lock shell and a sliding engagement block which is slidably connected on the swing arm; the sliding engagement block is in sliding connection with the first sliding groove; the third transmission mechanism pushes the swing arm to swing, and the sliding engagement block is slidably clamped into the clamping groove of the toggle cam along the first sliding groove; when the third transmission mechanism resets, an elastic reset piece pushes the swing arm to reset.
Further, an auxiliary connection shifting block rotationally connected with the lock shell is further arranged on one side, close to the inner pushing mechanism, of the shifting cam, a second sliding groove is formed in the auxiliary connection shifting block, and one side of the meshing block is slidably connected with the second sliding groove; the connecting shifting block is rotationally connected with the lock shell.
Further, the connecting end of the swing arm and the meshing block is arc-shaped; the two ends of the meshing block are respectively provided with a first clearance groove for clearance of the toggle cam and a second clearance groove for clearance of the swing arm; the first clearance groove enables the meshing block to form two protrusions which are respectively connected with the first sliding groove and the second sliding groove, and two inner side walls of the second clearance groove are provided with limiting protruding blocks which are limited on the swing arm.
Further, the latch mechanism comprises a latch component penetrating through one side of the lock shell and a connecting piece connected between the latch component and the toggle cam; the toggle cam rotates to pull the connecting piece and the inclined tongue component to slide linearly; a limiting plate is arranged on the inner side of the lock shell, and a reset spring for pushing the inclined tongue component to reset is arranged on the limiting plate; the bottom side of the connecting piece is provided with a pushing chute or a stirring boss, and the end part of the fourth transmission mechanism stretches into the stirring chute or the upper end of the fourth transmission mechanism is positioned at one side of the stirring boss.
Further, the inclined tongue component comprises a pull rod connected with the connecting piece and an inclined tongue pivoted with the pull rod; the pull rod is provided with a guide chute, and a pivot pivoted with the pull rod by the inclined tongue penetrates through the guide chute; the pull rod is provided with a limiting step, and the inclined tongue is provided with a limiting notch matched with the limiting step; the connecting piece pulls the pull rod to move towards the inner side of the lock shell, when the side face of the inclined tongue is stressed, the pivot slides in the guide chute, the limiting step is separated from the limiting notch, and the inclined tongue rotates towards the inner side of the lock shell.
Further, the both sides of connecting piece all are equipped with the connecting hole, stir the both sides of cam and all have respectively to extend to two stir the hookup location in the connecting hole.
Further, the second transmission mechanism comprises a rotating piece fixedly connected with a shifting wheel in the lock cylinder assembly, a tooth shape arranged on the outer ring of the rotating piece, a shifting gear rotationally connected to the lock shell, a shifting block arranged on the shifting gear for shifting the square tongue to move, and a torsion spring for positioning the shifting gear; the stirring gear is meshed with the tooth form of the outer ring of the rotating piece; the knob is connected with a thumbwheel in the lock cylinder assembly.
Further, the square tongue comprises a clamping part penetrating through the side face of the lock shell, a limiting part limited on the inner side of the lock shell and a connecting part connected with the shifting block; a poking groove is formed in the connecting part, and the end part of the poking block is arranged in the poking groove; and positioning grooves for positioning the shifting blocks are formed in two sides of the shifting grooves.
Further, the third transmission mechanism comprises a push block in sliding connection with the lock shell and a first connecting arm in pin joint connection with the toggle gear; the inner side surface of the pushing block is attached to the outer side surface of the swing arm; the key or the knob toggles a dial wheel in the lock cylinder assembly to rotate, the dial wheel drives the toggle gear to rotate, and the first connecting arm pushes the pushing block to slide, so that the swing arm pushes the meshing block to be clamped into the clamping groove in the toggle cam or slide out of the clamping groove;
the fourth transmission mechanism comprises a pushing swing arm which is pivotally connected with the lock shell, one end of the pushing swing arm is pivotally connected with one end of the pushing swing arm far away from the connecting piece, and the other end of the pushing swing arm is pivotally connected with the second connecting arm of the toggle gear; the end part of the pushing swing arm stretches into the limiting groove.
Further, the inner pushing mechanism comprises a first mounting plate and a first mounting seat which are fixedly connected with the lock shell or the door, a first rotary connecting component which is rotationally connected with the first mounting plate, one end of the first rotary connecting component is connected with the inner transmission component, and the other end of the first rotary connecting component stretches into the first mounting seat; the first mounting seat is pivoted with a first rotary swing arm which is clamped with the first rotary connecting assembly; one end of the first rotary swing arm penetrates through the first mounting seat to extend to the outer side; pushing or pulling an inner push-pull handle rotatably connected to the first mounting seat or fixedly connected to the outer end of the first rotary swing arm, so that the first rotary swing arm rotates around a pivot to toggle the first rotary connecting assembly to rotate.
The external pushing mechanism comprises a second mounting plate and a second mounting seat which are fixedly connected with the lock shell or the door, a second rotary connecting assembly which is rotationally connected with the second mounting plate, one end of the second rotary connecting assembly is connected with the external driving assembly, and the other end of the second rotary connecting assembly extends into the second mounting seat; the second installation seat is pivoted with a second rotary swing arm which is clamped with the second rotary connecting assembly; one end of the second rotary swing arm penetrates through the second mounting seat to extend to the outer side; pushing or pulling an inner push-pull handle rotatably connected to the second mounting seat or fixedly connected to the outer end of the second rotary swing arm, so that the second rotary swing arm rotates around the pivot to toggle the second rotary connecting assembly to rotate.
Further, the first rotary connecting assembly comprises a first rotary sleeve penetrating through the first mounting plate and a first torsion spring sleeved at the inner end of the first rotary sleeve; one side of the outer end of the first rotary sleeve is provided with a first lug which is clamped with the first rotary swing arm; the second rotary connecting assembly comprises a second rotary sleeve penetrating through the second mounting plate and a second torsion spring sleeved at the inner end of the second rotary sleeve; one side of the outer end of the second rotary sleeve is provided with a second lug which is clamped with the second rotary swing arm.
The mechanical automatic door lock has the following beneficial effects:
1. when the square tongue is locked into the door frame, the fourth transmission mechanism plays a limiting role on the inclined tongue mechanism and drives the third transmission mechanism to move downwards at the same time, so that the clutch assembly and the inner transmission assembly are in a separated state, and therefore, when the door is out, the outer pushing mechanism can be rotated or the outer pushing mechanism can be rotated, and the outer pushing mechanism cannot be damaged due to hard force, so that the door lock is protected.
2. When the door is at the inner side, the inner pushing mechanism can drive the inner transmission assembly, so that the inclined tongue mechanism is separated from the door frame; when the square tongue is locked into the door frame, the fourth transmission mechanism limits the inclined tongue mechanism; when the oblique tongue mechanism is opened indoors, the oblique tongue mechanism can stir the fourth transmission mechanism, and the fourth transmission mechanism drives the second transmission mechanism, so that the square tongue and the door frame are separated, and therefore, when the door is on the inner side, no matter what locking mode is, the door can be opened by only operating the inner pushing mechanism, and convenience is brought to the door opening of residents.
Drawings
FIG. 1 is a view showing the construction of the inside of a lock case of a mechanical automatic door lock according to the present invention;
FIG. 2 is a construction view of the mechanical automatic door lock of the present invention;
FIG. 3 is an exploded view of the mechanical automatic door lock of the present invention;
FIG. 4 is a block diagram of a first drive mechanism portion of the mechanical automatic door lock of the present invention;
FIG. 5 is a block diagram of the portion of the latch mechanism of the mechanical automatic door lock of the present invention;
FIG. 6 is an exploded view of the latch assembly of the mechanical automatic door lock of the present invention;
FIG. 7 is a front elevational view of the second drive mechanism of the mechanical automatic door lock of the present invention;
FIG. 8 is a reverse side view of the second drive mechanism of the mechanical automatic door lock of the present invention;
fig. 9 is a cross-sectional view of portions of the inner pushing mechanism and the outer pushing mechanism of the mechanical automatic door lock of the present invention.
Detailed Description
The following detailed description will be further described in conjunction with the above-described figures.
In the following, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.
As shown in fig. 1-9, the mechanical automatic door lock comprises a lock shell 1, wherein a latch bolt mechanism 2, a square bolt 3, a first transmission mechanism 4 and a second transmission mechanism 5 are arranged in the lock shell 1. The outer side of the lock shell 1 is respectively provided with an outer pushing mechanism 6 and a lock cylinder assembly 7, and the inner side is provided with an inner pushing mechanism 8 and a knob 9. The outer pushing mechanism 6 and the inner pushing mechanism 8 are rotated or pushed and pulled, and the outer pushing mechanism 6 and the inner pushing mechanism 8 can stir the first transmission mechanism 4 to rotate, so that the end part of the inclined tongue mechanism 2 is withdrawn from the door frame. The knob 9 and the lock core assembly 7 can both stir the second transmission mechanism 5 to rotate, so that the end part of the square tongue 3 is clamped into the door frame or withdrawn from the door frame. The first transmission mechanism 4 includes an inner transmission assembly 40 and an outer transmission assembly 41, and a clutch assembly 42. The external pushing mechanism 6 drives the external transmission assembly 41 to rotate, and the internal pushing mechanism 8 drives the internal transmission assembly 40 to rotate. A third transmission mechanism 10 is arranged between the first transmission mechanism 4 and the second transmission mechanism 5, and a fourth transmission mechanism 11 is arranged between the second transmission mechanism 5 and the inclined tongue mechanism 2. The second transmission mechanism 5 toggles the third transmission mechanism 10 to push the clutch assembly 42 to be engaged with the inner transmission assembly 40 and the outer transmission assembly 41; when the clutch assembly 42 is meshed with the inner transmission assembly 40 and the outer transmission assembly 41, the outer transmission mechanism 6 drives the outer transmission assembly 41 to rotate, and the outer transmission assembly 41 slides with the inclined tongue mechanism 2. When the inclined tongue mechanism 2 withdraws from the door frame, the inclined tongue mechanism 2 toggles the fourth transmission mechanism 11, and the fourth transmission mechanism 11 toggles the square tongue 3 again to withdraw from the door frame. Therefore, when the square tongue 3 is locked into the door frame, the fourth transmission mechanism 11 plays a limiting role on the inclined tongue mechanism 2, and drives the third transmission mechanism 10 to move downwards at the same time, so that the clutch assembly 42 and the inner transmission assembly 40 are in a separated state, and therefore, when the door is out, the outer pushing mechanism 6 can be rotated or the outer pushing mechanism 6 can be rotated, and the outer pushing mechanism 6 cannot be damaged due to hard force, so that the door lock is protected. When the door is at the inner side, the inner pushing mechanism 8 can drive the inner transmission assembly 40, so that the inclined tongue mechanism 2 is separated from the door frame; when the square tongue 3 is locked into the door frame, the fourth transmission mechanism 11 limits the inclined tongue mechanism 2; when the latch mechanism 2 is opened indoors, the latch mechanism 2 can toggle the fourth transmission mechanism 11 at the same time, and the fourth transmission mechanism 11 drives the second transmission mechanism 5, so that the square tongue 3 is separated from the door frame, and therefore, when the door is inside, no matter what locking mode is adopted, the door can be opened by only operating the inner pushing mechanism, and convenience is brought to the door opening of residents.
As shown in fig. 1 and 4, the inner transmission assembly 40 includes a first connecting rod 400 connected to the inner pushing mechanism 8 and a toggle cam 401 sleeved on the first connecting rod 400. The inner pushing mechanism 8 pushes the first connecting rod 400 and the toggle cam 401 to rotate, and the toggle cam 401 pushes the latch mechanism 2. The first connecting rod 400 is a square shaft or other variable-shape shafts, and the toggle cam 401 is sleeved on a hole position square hole or a multi-shape hole on the first connecting rod 400.
The outer driving assembly 41 includes a second connecting rod 410 connected to the outer pushing mechanism 6, and a connecting dial 411 sleeved on the second connecting rod 410. The second connecting rod 410 is a square shaft or other variable-shape shaft, and the connecting shifting block 411 is sleeved on a hole site square hole or a multi-shape hole on the second connecting rod 410. The end of the connection shifting block 411 is provided with a first sliding groove, and the end of the shifting cam 401 is provided with a clamping groove. The clutch assembly 42 comprises a swing arm 420 with one end pivotally connected with the lock case 1 and a sliding engagement block 421 slidably connected to the swing arm 420; the sliding engagement block 421 is slidably connected to the first sliding groove. When the knob 9 or the lock cylinder assembly 7 rotates the second transmission mechanism 5, the third transmission mechanism 10 pushes the swing arm 420 to swing, and the sliding engagement block 421 is slidably clamped into the clamping groove of the toggle cam 401 along the first sliding groove. The connection between the toggle cam 401 and the connection toggle block 411 is realized, so that the toggle cam 401 is driven to rotate when the second connecting rod 410 is rotated. When the third transmission mechanism 10 moves downwards to reset, an elastic reset piece 422 pushes the swing arm 420 to reset. The elastic reset piece 422 is a compression spring arranged between the inner wall of the lock shell 1 and the swing arm 420, and the compression spring pushes the swing arm 420 to swing around the pivot to the end far away from the toggle cam 401. The elastic restoring member 422 may also be a torsion spring disposed between the swing arm 420 and the lock case 1; a torsion spring. Two limit lugs are symmetrically arranged on the outer side of the connecting shifting block 411, and a clearance groove with the clearance limit lugs is arranged on the lock shell 1.
Further, an auxiliary connection shifting block 411 rotatably connected with the lock case 1 is further provided on a side of the shifting cam 401 close to the inner pushing mechanism 8, a second sliding groove is provided on the auxiliary connection shifting block 43, and one side of the engagement block 421 is slidably connected with the second sliding groove; the connection dial 411 is rotatably connected to the lock case 1. Two limit lugs are symmetrically arranged on the outer side of the connecting shifting block 411, and a clearance groove with the clearance limit lugs is arranged on the lock shell 1. Two second limit lugs are symmetrically arranged on the outer side of the auxiliary connection shifting block 43, and a second clearance groove which is matched with the second clearance limit lug is arranged on the lock shell 1. Therefore, the auxiliary connection shifting block 43 plays a role in supporting and limiting the engagement block 421, so that the stability of the engagement block 421 and the clamping groove is ensured. The auxiliary connection shifting block 43 is connected with the connection shifting block 411 through a pin, and an arc-shaped groove of a clearance pin is arranged on the shifting cam 401; the auxiliary connection dial 43 and the connection dial 411 are positioned and strengthened by pins.
Further, the connection end of the swing arm 420 and the engagement block 421 is arc-shaped. The two ends of the engagement block 421 are respectively provided with a first clearance groove for keeping away the toggle cam 401 and a second clearance groove for keeping away the swing arm 420. The first clearance groove enables the engagement block 421 to form two protrusions respectively connected with the first sliding groove and the second sliding groove, and two inner side walls of the second clearance groove are provided with limiting protrusions limiting the swing arm 420. When the engagement block 421 is engaged with the card slot, the entity formed between the first and second clearance slots is engaged into the card slot. And the connecting end of the swing arm 420 and the engagement block 421 is arc-shaped; therefore, after the engagement block 421 is engaged with the engagement groove, the engagement block 421 can rotate along with the swing arm 420 when the first connecting rod 400 and the second connecting rod 410 rotate.
As shown in fig. 1, 5 and 6, the latch mechanism 2 includes a latch assembly 20 penetrating one side of the lock case 1 and a connecting piece 21 connected between the latch assembly 20 and a toggle cam 401; a plurality of parallel guide grooves are arranged on the lock shell 1, and a sliding block extending into the guide grooves is arranged on the connecting piece 21. The toggle cam 401 rotates to pull the connecting piece 21 and the inclined tongue assembly 20 to slide linearly; a limiting plate 100 is arranged on the inner side of the lock shell 1, and a reset spring 22 for pushing the inclined tongue assembly 20 to reset is arranged on the limiting plate 100; the bottom side of the connecting piece 21 is provided with a pushing chute or a poking boss, and the end part of the fourth transmission mechanism 11 extends into the pushing chute or the upper end of the fourth transmission mechanism 11 is positioned at one side of the poking boss. The first connecting rod 400 or the second connecting rod 410 drives the toggle cam 401 to rotate, and the toggle cam 401 pulls the connecting piece 21 to overcome the elastic force of the return spring 22, so that the inclined tongue assembly 20 is contracted into the lock case 1.
As shown in fig. 6, the latch assembly 20 includes a pull rod 200 connected to the connecting member 21 and a latch 201 pivotally connected to the pull rod 200. A guide chute 202 is arranged on the pull rod 200, and a pivot of the inclined tongue 201 pivoted with the pull rod 200 penetrates through the guide chute 202; a limiting step 203 is arranged on the pull rod 200, and a limiting notch 204 matched with the limiting step 203 is arranged on the inclined tongue 201; the connecting piece 21 pulls the pull rod 200 to move towards the inner side of the lock case 1, when the side surface of the inclined tongue 201 is stressed, the pivot slides in the guide chute 202, so that the limit step 203 is separated from the limit notch 204, and when the door is lightly pushed, the side surface of the inclined tongue 201 is stressed, so that the inclined tongue 201 rotates towards the inner side of the lock case 1. Thus, the inner pushing mechanism 8 is pushed lightly or the inner pushing mechanism 8 is turned slightly, so that the door can be opened.
Further, the two sides of the connecting piece 21 are respectively provided with a connecting hole, and the two sides of the toggle cam 401 are respectively provided with toggle connecting positions which extend into the two connecting holes. The outer side surface of the poking connection position is an arc surface; thus, when the toggle cam 401 rotates, the toggle link position pulls the link 21 to slide.
As shown in fig. 7-8, the second transmission mechanism 5 includes a rotary member 50 fixedly connected to a dial wheel in the lock cylinder assembly 7, a tooth form 51 provided on an outer ring of the rotary member 50, a dial gear 52 rotatably connected to the lock case 1, a dial block 53 provided on the dial gear 52 for shifting the movement of the square tongue 3, and a torsion spring 54 for positioning the dial gear 52; the stirring gear 52 is meshed with the tooth form 51 of the outer ring of the rotating piece 50; the knob 9 is connected to a thumbwheel in the plug assembly 7. Therefore, the corresponding key is inserted into the lock core of the lock core assembly 7, the dial wheel is rotated, or the dial wheel is driven to rotate by the knob 9, the dial wheel drives the rotating piece 50 to rotate, the rotating piece 50 swings the dial gear 52 to rotate, and the dial block 53 dials the square tongue 3 to slide.
Further, the square tongue 3 includes a locking portion 30 penetrating through a side surface of the lock case 1, a limiting portion 31 limited on an inner side of the lock case 1, and a connecting portion 32 connected to the dial 53. The connecting part 32 is provided with a poking groove 33, and the end part of the poking block 53 is arranged in the poking groove 33. Positioning grooves 34 for positioning the shifting block 53 are arranged on two sides of the shifting groove 33. The included angle between the end face and the side face of the shifting block 53 is 90 degrees, and the positioning groove 34 is a V-shaped groove; when the shifting block 53 shifts the square tongue 3 to slide, the end part of the shifting block 53 is clamped into the positioning groove 34, so that the shifting block 53 can be thrust.
As shown in fig. 1, 4, 7 and 8, the third transmission mechanism 10 includes a push block 1000 slidably connected to the lock case 1 and a first connecting arm 1001 pivotally connected to the toggle gear 52; the inner side surface of the push block 1000 is attached to the outer side surface of the swing arm 420; the key or the knob 9 dials a dial wheel in the lock cylinder assembly 7 to rotate, the dial wheel drives the dial gear 52 to rotate, the first connecting arm 1001 pushes the push block 1000 to slide, so that the swing arm 420 pushes the engagement block 421 to be clamped into the clamping groove in the dial cam 401 or slide out of the clamping groove; thereby realizing the clutch. The inner arc surface of the push block 1000 is attached to the outer arc surface of the swing arm 420.
The connecting piece 21 is provided with a limit on one side close to the fourth transmission mechanism 11. The fourth transmission mechanism 11 comprises a pushing swing arm 110 pivotally connected to the lock case 1, one end of the pushing swing arm 110 is pivotally connected to one end of the pushing swing arm away from the connecting piece 21, and the other end of the pushing swing arm is pivotally connected to a second connecting arm 111 of the toggle gear 52; the end of the pushing swing arm 110 extends into the limit groove.
As shown in fig. 2-3 and 9, the inner pushing mechanism 8 includes a first mounting plate 80 and a first mounting seat 81 fixedly connected with the lock case 1 or fixedly connected with a door, a first rotary connecting assembly 82 rotatably connected with the first mounting plate 80, one end of the first rotary connecting assembly 82 is connected with a first connecting rod 400 in the inner transmission assembly 40, and the other end extends into the first mounting seat 81. The first mounting seat 81 is pivoted with a first rotary swing arm 83 which is clamped with the first rotary connecting assembly 82; one end of the first swing arm 83 extends to the outside through the first mount 81. Pushing or pulling an inner push-pull handle 84 rotatably connected to the first mounting seat 81 or fixedly connected to the outer end of the first rotary swing arm 83, so that the first rotary swing arm 83 rotates around the pivot to toggle the first rotary connecting assembly 82.
The external pushing mechanism 6 comprises a second mounting plate 60 and a second mounting seat 61 which are fixedly connected with the lock shell 1 or fixedly connected with a door, a second rotary connecting assembly 62 which is rotatably connected with the second mounting plate 60, one end of the second rotary connecting assembly 62 is connected with a second connecting rod 410 in the external driving assembly 41, and the other end extends into the second mounting seat 61; the second mounting seat 61 is pivoted with a second rotary swing arm 63 which is clamped with the second rotary connecting assembly 62; one end of the second rotating swing arm 63 extends to the outside through the second mount 61; pushing or pulling an inner push-pull handle 64 rotatably connected to the second mounting seat 61 or fixedly connected to the outer end of the second rotary swing arm 63, so that the second rotary swing arm 63 rotates around the pivot to toggle the second rotary connecting assembly 62. Therefore, the inner push-pull handle 64 and the inner push-pull handle 64 can be pushed or pulled to open the door, thereby replacing the traditional rotary handle and facilitating the opening of the door.
As shown in fig. 9, the first rotary connection assembly 82 includes a first rotary sleeve 820 penetrating the first mounting plate 80 and a first torsion spring 821 sleeved on an inner end of the first rotary sleeve 820; one side of the outer end of the first rotating sleeve 820 is provided with a first protruding block 822 that is engaged with the first rotating swing arm 83. Both ends of the first torsion spring 821 are limited on the limiting boss inside the first mounting plate 80, and the middle is fixedly connected to the end of the first rotary sleeve 820. Thus, after the first rotating sleeve 820 rotates, the first torsion spring 821 resets, and the inner push-pull handle 684 is driven to reset.
The second rotary connection assembly 62 includes a second rotary sleeve 620 penetrating the second mounting plate 60 and a second torsion spring 621 sleeved on the inner end of the second rotary sleeve 620; one side of the outer end of the second rotating sleeve 620 is provided with a second protruding block 622 that is engaged with the second rotating swing arm 63. Therefore, after the second rotating sleeve 620 rotates, the second torsion spring 621 resets, so as to drive the outer push-pull handle 64 to reset.
The present invention is not limited to the above-described specific embodiments, and various modifications may be made by those skilled in the art without inventive effort from the above-described concepts, and are within the scope of the present invention.
Claims (8)
1. The mechanical automatic door lock comprises a lock shell, wherein an inclined tongue mechanism, a square tongue, a first transmission mechanism and a second transmission mechanism are arranged in the lock shell; the outer side of the lock shell is respectively provided with an outer pushing mechanism and a lock core assembly, and the inner side of the lock shell is provided with an inner pushing mechanism and a knob; the knob and the lock core assembly can stir the second transmission mechanism to rotate, so that the end part of the square tongue is clamped into the door frame or withdrawn from the door frame; the clutch mechanism is characterized in that the first transmission mechanism comprises an inner transmission assembly, an outer transmission assembly and a clutch assembly; the outer pushing mechanism drives the outer transmission assembly to rotate, and the inner pushing mechanism drives the inner transmission assembly to rotate; a third transmission mechanism is arranged between the first transmission mechanism and the second transmission mechanism, and a fourth transmission mechanism is arranged between the second transmission mechanism and the inclined tongue mechanism; the second transmission mechanism toggles the third transmission mechanism to push the clutch assembly to be engaged with the inner transmission assembly and the outer transmission assembly; when the inclined tongue mechanism withdraws from the door frame, the fourth transmission mechanism is pushed to toggle the square tongue to withdraw from the door frame;
the inner transmission assembly comprises a first connecting rod connected with the inner pushing mechanism and a toggle cam sleeved on the first connecting rod; the inner pushing mechanism pushes the first connecting rod and the toggle cam to rotate, and the toggle cam pushes the inclined tongue mechanism;
the outer transmission assembly comprises a second connecting rod connected with the outer pushing mechanism, and a connecting shifting block sleeved on the second connecting rod; the end part of the connecting shifting block is provided with a sliding groove, and the end part of the shifting cam is provided with a clamping groove; the clutch assembly comprises a swing arm with one end pivotally connected with the lock shell and a sliding engagement block which is slidably connected on the swing arm; the sliding engagement block is in sliding connection with the sliding chute; the third transmission mechanism pushes the swing arm to swing, and the sliding engagement block is slidably clamped into the clamping groove of the toggle cam along the sliding groove; when the third transmission mechanism resets, an elastic reset piece pushes the swing arm to reset;
the inner pushing mechanism comprises a first mounting plate and a first mounting seat which are fixedly connected with the lock shell or the door, a first rotary connecting component which is rotationally connected with the first mounting plate, one end of the first rotary connecting component is connected with the inner transmission component, and the other end of the first rotary connecting component stretches into the first mounting seat; the first mounting seat is pivoted with a first rotary swing arm which is clamped with the first rotary connecting assembly; one end of the first rotary swing arm penetrates through the first mounting seat to extend to the outer side; pushing or pulling an inner push-pull handle which is rotatably connected to the first mounting seat or fixedly connected to the outer end of the first rotary swing arm, so that the first rotary swing arm rotates around a pivot to toggle the first rotary connecting assembly to rotate;
the external pushing mechanism comprises a second mounting plate and a second mounting seat which are fixedly connected with the lock shell or the door, a second rotary connecting assembly which is rotationally connected with the second mounting plate, one end of the second rotary connecting assembly is connected with the external driving assembly, and the other end of the second rotary connecting assembly extends into the second mounting seat; the second installation seat is pivoted with a second rotary swing arm which is clamped with the second rotary connecting assembly; one end of the second rotary swing arm penetrates through the second mounting seat to extend to the outer side; pushing or pulling an inner push-pull handle rotatably connected to the second mounting seat or fixedly connected to the outer end of the second rotary swing arm, so that the second rotary swing arm rotates around the pivot to toggle the second rotary connecting assembly to rotate.
2. The mechanical automatic door lock according to claim 1, wherein an auxiliary connection shifting block rotationally connected with the lock shell is further arranged on one side of the shifting cam, which is close to the inner pushing mechanism, a second sliding groove is formed in the auxiliary connection shifting block, and one side of the engagement block is slidably connected with the second sliding groove; the connecting shifting block is rotationally connected with the lock shell.
3. A mechanical automatic door lock according to claim 1 or 2 wherein said latch mechanism includes a latch assembly extending through one side of said lock housing and a connector connected between said latch assembly and a toggle cam; the toggle cam rotates to pull the connecting piece and the inclined tongue component to slide linearly; a limiting plate is arranged on the inner side of the lock shell, and a reset spring for pushing the inclined tongue component to reset is arranged on the limiting plate; the bottom side of the connecting piece is provided with a pushing chute or a poking boss, and the end part of the fourth transmission mechanism stretches into the pushing chute or the upper end of the fourth transmission mechanism is positioned on one side of the boss.
4. A mechanical automatic door lock according to claim 3 wherein said latch assembly includes a pull rod connected to said connector and a latch pivotally connected to said pull rod; the pull rod is provided with a guide chute, and a pivot pivoted with the pull rod by the inclined tongue penetrates through the guide chute; the pull rod is provided with a limiting step, and the inclined tongue is provided with a limiting notch matched with the limiting step; the connecting piece pulls the pull rod to move towards the inner side of the lock shell, when the side face of the inclined tongue is stressed, the pivot slides in the guide chute, the limiting step is separated from the limiting notch, and the inclined tongue rotates towards the inner side of the lock shell.
5. The mechanical automatic door lock according to claim 4, wherein both sides of the connecting piece are provided with connecting holes, and both sides of the toggle cam are provided with toggle connecting positions respectively extending into the two connecting holes.
6. The mechanical automatic door lock according to claim 4, wherein the second transmission mechanism comprises a rotating member fixedly connected with a dial wheel in the lock cylinder assembly, a tooth form arranged on an outer ring of the rotating member, a dial gear rotatably connected to the lock shell, a dial block provided with the dial gear for shifting the movement of the square tongue, and a torsion spring for positioning the dial gear; the stirring gear is meshed with the tooth form of the outer ring of the rotating piece; the knob is connected with a thumbwheel in the lock cylinder assembly.
7. The mechanical automatic door lock according to claim 6, wherein the square tongue includes a snap-in portion penetrating a side surface of the lock case, a limit portion limited inside the lock case, and a connection portion connected with the dial block; a poking groove is formed in the connecting part, and the end part of the poking block is arranged in the poking groove; and positioning grooves for positioning the shifting blocks are formed in two sides of the shifting grooves.
8. The mechanical automatic door lock of claim 1, wherein said first rotary connection assembly includes a first rotary sleeve extending through said first mounting plate and a first torsion spring sleeved on an inner end of said first rotary sleeve; one side of the outer end of the first rotary sleeve is provided with a first lug which is clamped with the first rotary swing arm; the second rotary connecting assembly comprises a second rotary sleeve penetrating through the second mounting plate and a second torsion spring sleeved at the inner end of the second rotary sleeve; one side of the outer end of the second rotary sleeve is provided with a second lug which is clamped with the second rotary swing arm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810165226.5A CN108316768B (en) | 2018-02-28 | 2018-02-28 | Mechanical automatic door lock |
| PCT/CN2018/108734 WO2019165781A1 (en) | 2018-02-28 | 2018-09-29 | Mechanical automatic door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810165226.5A CN108316768B (en) | 2018-02-28 | 2018-02-28 | Mechanical automatic door lock |
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| Publication Number | Publication Date |
|---|---|
| CN108316768A CN108316768A (en) | 2018-07-24 |
| CN108316768B true CN108316768B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810165226.5A Active CN108316768B (en) | 2018-02-28 | 2018-02-28 | Mechanical automatic door lock |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108316768B (en) |
| WO (1) | WO2019165781A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316768B (en) * | 2018-02-28 | 2024-03-15 | 义巍安防科技(宁波)有限公司 | Mechanical automatic door lock |
| CN108952324B (en) * | 2018-08-09 | 2024-06-11 | 浙江坚迪五金制造有限公司 | Door lock structure |
| CN110685497A (en) * | 2019-10-28 | 2020-01-14 | 中山市诺维索玛五金制品有限公司 | Sliding door lock |
| CN112360246A (en) * | 2020-10-14 | 2021-02-12 | 浙江正盛达科技有限公司 | Automatic clutch type quick-opening motor lock opened in multiple modes |
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Also Published As
| Publication number | Publication date |
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| WO2019165781A1 (en) | 2019-09-06 |
| CN108316768A (en) | 2018-07-24 |
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