CN110439368B

CN110439368B - Lock body mechanism and touch type door lock

Info

Publication number: CN110439368B
Application number: CN201910813319.9A
Authority: CN
Inventors: 许方情
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2024-02-23
Anticipated expiration: 2039-08-30
Also published as: CN110439368A

Abstract

A lock body mechanism and a touch type door lock. Mainly solves the problem that most of the existing anti-back mechanisms of the door lock have complex structures. The lock is characterized in that the lock tongue is arranged in the inner cavity and moves along a straight line for unlocking or locking, when the lock tongue is in a locking position, the front end of the lock tongue passes through the opening and is exposed out of the lock shell, and the lock tongue is provided with a clamping groove; the blocking piece is arranged in the inner cavity and used for extending into the clamping groove to be in limit fit with the clamping groove through the pressure of the elastic pre-tightening piece when the lock tongue is in the locking position; the clutch piece comprises a contact position for pressing the blocking piece to leave the clamping groove and a separation position for rotating to leave the blocking piece; the elastic reset piece is used for applying force to enable the clutch piece to tend to be in a contact position. The invention provides a lock body mechanism and a touch type door lock, wherein the blocking piece enters a clamping groove on a lock tongue to realize limit through the position switching of a clutch piece, the structure is simple, the use is convenient, and further, the touch type door lock with the mechanism can be unlocked through touch rather than rotation, the structure is compact, and the space requirement for the opposite door opening is low.

Description

Lock body mechanism and touch type door lock

Technical Field

The invention belongs to the technical field of hardware, and particularly relates to a lock body mechanism and a touch type door lock.

Background

The door lock is a hardware installed on the door to keep the space privacy, the basic structure of the door lock comprises a lock tongue which can stretch and retract under the action of external force and is matched with a buckling box installed on the door frame, and the door can be prevented from being opened by accidents such as wind blowing and the like.

Most of the existing door locks on the market are provided with a mechanism for preventing the locking bolt from being locked due to the fact that the locking bolt is stressed to retreat, so that the door is opened, most of the existing anti-retreating mechanisms are complex in structure and difficult to assemble, and in addition, most of the existing door locks on the market are of a structure for unlocking by twisting a handle, so that the space requirement is large.

Disclosure of Invention

In order to overcome the defects of the background technology, the invention provides a lock body mechanism and a touch type door lock, which mainly solve the problem that most of anti-withdrawal mechanisms of the existing door locks are relatively complex in structure.

The technical scheme adopted by the invention is as follows:

a lock body mechanism comprising:

the lock comprises a lock shell, a lock cover and a lock cover, wherein the lock shell comprises an inner cavity and an opening which are communicated;

the lock tongue is arranged in the inner cavity and moves along a straight line to unlock or lock, when the lock tongue is in a locking position, the front end of the lock tongue passes through the opening and is exposed out of the lock shell, and a clamping groove is formed in the lock tongue;

the blocking piece is arranged in the inner cavity and used for extending into the clamping groove to be in limit fit with the clamping groove through the pressure of the elastic pre-tightening piece when the lock tongue is in the locking position;

the clutch piece comprises a contact position for pressing the blocking piece to leave the clamping groove and a separation position for rotating to leave the blocking piece;

and the elastic reset piece is used for applying force to enable the clutch piece to tend to be in a contact position.

The blocking piece comprises a first lock body and a second lock body, the first lock body and the second lock body are hinged to the inner cavity, and the clamping groove comprises a first clamping groove and a second clamping groove, the first clamping groove is arranged corresponding to the first lock body, and the second clamping groove is arranged corresponding to the second lock body.

The elastic pre-tightening piece is a spring.

One end of the spring is propped against the end face of the bottom of the first lock, and the other end of the spring is propped against the end face of the top of the second lock.

The clutch piece comprises a rotating core, a first boss is arranged on the outer wall of the rotating core and used for being in contact with one end of the second lock when the clutch piece is positioned at a contact position.

A second blocking wall is arranged on the second lock, a first blocking wall is arranged on the first lock,

the second blocking wall is used for being in contact with the first blocking wall when the clutch piece is in the contact position so that the first lock cannot rotate.

The lock tongue comprises a sliding seat, a side plate is arranged on the sliding seat, a protrusion is arranged on the side plate, a second boss is arranged on the outer wall of the rotary core, and the boss is used for pushing the second boss to enable the first boss to leave the second lock when the side plate slides.

The spring bolt includes the slide, the slide both sides are equipped with all be equipped with the curb plate, both sides all be equipped with on the curb plate the draw-in groove.

The inner cavity is internally provided with a fixed plate, and a spring is arranged between the fixed plate and the sliding seat.

The utility model provides a touch lock, includes foretell lock body mechanism, the unilateral device includes the shell, be equipped with on the shell with clutch linkage complex main shaft, be equipped with unidirectional locking mechanism in the shell, unidirectional locking mechanism include with main shaft unidirectional complex unidirectional lock and promote unidirectional lock with the first elastic component of main shaft contact, still be equipped with in the shell along the movable pressing piece of straight line, the pressing piece is used for making when pressing the unidirectional lock departure the main shaft.

The unidirectional locking mechanism is a ratchet mechanism, a first tooth is arranged on the circumferential outer wall of the main shaft, and a second tooth which is in unidirectional fit with the first tooth is arranged on the unidirectional lock.

The one-way lock comprises a first one-way lock and a second one-way lock which are correspondingly arranged on the left side and the right side of the central line of the main shaft, and also comprises a switching mechanism, wherein the switching mechanism is used for adjusting the first one-way lock or the second one-way lock to be in contact with the main shaft.

The switching mechanism comprises a first screw and a second screw, wherein the first screw is in threaded connection with the shell, a first limiting hole in clearance fit with the first screw is formed in the first unidirectional lock, the second screw is in threaded connection with the shell, and a second limiting hole in clearance fit with the second screw is formed in the second unidirectional lock.

The push plate is arranged in the shell and matched with the inclined surface of the button, a pushing part for pushing the one-way lock to leave the main shaft is arranged on the push plate, and a second elastic piece for pushing the push plate to leave the one-way lock is arranged on the back of the push plate.

The beneficial effects of the invention are as follows: the invention provides a lock body mechanism and a touch type door lock, wherein the blocking piece enters a clamping groove on a lock tongue to realize limit through the position switching of a clutch piece, the structure is simple, the use is convenient, and further, the touch type door lock with the mechanism can be unlocked through touch rather than rotation, the structure is compact, and the space requirement for the opposite door opening is low.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is an internal schematic diagram of an embodiment of the present invention.

Fig. 3 is a schematic perspective view of an embodiment of the present invention.

Fig. 4 is a schematic partial perspective view of an embodiment of the present invention (when locked and prevented from backing).

Fig. 5 is an exploded view of the touch door lock of the present invention.

Fig. 6 is an exploded view of the unidirectional device of the touch door lock of the present invention.

Fig. 7 is a partial view of a one-way device of the touch door lock of the present invention.

FIG. 8 is a schematic cross-sectional view of AA in FIG. 7.

Fig. 9 is a schematic cross-sectional view at BB in fig. 7.

Fig. 10 is an internal perspective view of the unidirectional device of the touch door lock of the present invention.

Fig. 11 is a partial perspective view of a unidirectional device of the touch type door lock of the present invention.

Fig. 12 is an enlarged schematic view at C in fig. 11.

Fig. 13 is a schematic view showing the cooperation of the pressing member and the pushing plate of the touch door lock according to the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings: as shown, a lock body mechanism comprises a lock shell 1, wherein the lock shell comprises an inner cavity 11 and an opening 12 which are communicated; the lock tongue 2 is arranged in the inner cavity and moves along a straight line to unlock or lock, when the lock tongue is in a locking position, the front end of the lock tongue passes through the opening and is exposed out of the lock shell, and the lock tongue is provided with a clamping groove 21; the blocking piece 3 is arranged in the inner cavity and used for extending into the clamping groove 21 to be in limit fit with the clamping groove through the pressure of the elastic pre-tightening piece 31 when the lock tongue is in the locking position; a clutch member 4, which includes a contact position for pressing the blocking member away from the clamping groove and a separation position for rotating the blocking member away from the blocking member; and a resilient return member 40 for applying a force to urge the clutch member toward the contact position.

The elastic restoring member may be a spring or a torsion spring, and is used for pushing the clutch member to contact with the blocking member, and when the elastic restoring member is a torsion spring, as one of alternative schemes, referring to fig. 2 and 3, one end of a torsion leg of the torsion spring is abutted against an inner wall of the shell (preferably a pillar in the shell), and the other end is abutted against the second boss to realize pre-tightening; the elastic pre-tightening piece can be a spring or a torsion spring, when the elastic pre-tightening piece is in use, two ends of the elastic pre-tightening piece are respectively propped against two locks to realize pre-tightening of the locks, of course, the number of the locks depends on the number of the locks, if the lock has only one end, one end of the lock can be propped against the lock, the other end of the lock can be propped against a blocking wall arranged on the inner wall of the lock body or the lock body, when the lock is needed to be locked, one end of the lock is propped against the elastic pre-tightening piece to drive the lock to enter the clamping groove, but the other end of the lock can not rotate due to the propping of the clutch piece, at the moment, if the lock is needed to be locked, the clutch piece is needed to be rotated clockwise (can be driven by a manual or other mechanism) to leave the lock, then the lock enters the clamping groove under the action of the elastic pre-tightening piece and enables the lock to be limited, if the lock is needed to be reset, the clutch piece is rotated anticlockwise to restore the blocking piece, and at the moment, the lock body can be freely moved.

In this embodiment, as shown in the drawing, the blocking member includes a first lock 301 and a second lock 302 hinged to the inner cavity, and the clamping groove includes a first clamping groove 211 corresponding to the first lock and a second clamping groove 212 corresponding to the second lock. Two locks are arranged at the position, so that the lock is more stable, two corresponding clamping grooves are also formed, and the two clamping grooves are formed in the side plates on two sides.

In this embodiment, the resilient pretensioning member is a spring as shown. The structure is simple and the use is convenient.

In this embodiment, as shown in the figure, one end of the spring abuts against the bottom end face of the first lock, and the other end abuts against the top end face of the second lock. A deep groove with a certain depth can be formed in the corresponding end face, so that one end of the spring enters the sinking groove, and the spring is not easy to break out.

In this embodiment, as shown in the drawing, the clutch member includes a rotary core 41, and a first boss 411 is disposed on an outer wall of the rotary core, and is used to contact with one end of the second lock when the clutch member is in the contact position. The boss is used for propping and positioning the lock, so that the structure is simple and the use is convenient.

In this embodiment, as shown in the drawing, the second lock is provided with a second blocking wall 3021, and the first lock is provided with a first blocking wall 3011, where the second blocking wall is used to contact with the first blocking wall when the clutch member is in the contact position so that the first lock is not rotatable. The second lock and the first lock are locked, if the second lock cannot rotate, the first lock cannot rotate, and when the first lock is reset, the first retaining wall is pushed by the second retaining wall to reset the first lock.

In this embodiment, as shown in fig. 4, the lock tongue 2 includes a slide 21, a side plate 211 is provided on the slide, a protrusion 2111 is provided on the side plate, a second boss 412 is provided on the outer wall of the rotor core, and the boss is used for pushing the second boss to make the first boss separate from the second lock when the side plate slides. The sliding seat retreats to push the second boss to enable the rotary core to rotate clockwise through the boss, the second boss leaves the second lock body, the second lock body is not limited to the first lock body, the first lock body and the second lock body enter the clamping groove to be clamped under the action of the spring, and as a preferable scheme, the first lock body and the second lock body are clamped on the inner wall of the front end of the clamping groove to enable the first lock body and the second lock body not to retreat.

In this embodiment, as shown in the drawing, the side plates 211 are disposed on two sides of the sliding base, and the clamping grooves are disposed on the side plates on two sides.

In this embodiment, as shown in the figure, a fixed plate 112 is disposed in the inner cavity, and a spring 113 is disposed between the fixed plate and the sliding seat. The spring bolt is used for resetting the spring bolt, is in the prior art and is not repeated.

In this embodiment, as shown in the figure, a touch door lock includes a unidirectional device 5 and a lock body mechanism as described above, where the unidirectional device 5 includes a housing 51, a spindle 52 that is in linkage fit with the clutch member is disposed on the housing 51, a unidirectional locking mechanism 6 is disposed in the housing, the unidirectional locking mechanism includes a unidirectional lock 61 that is in unidirectional fit with the spindle and a first elastic member 62 that pushes the unidirectional lock to contact with the spindle, and a pressing member 7 that moves along a straight line is further disposed in the housing, where the pressing member is used to separate the unidirectional lock from the spindle when pressing. The main shaft can be linked with the clutch piece through the transmission pin 53, one end of the main shaft extends out of the shell and is connected with the transmission pin, the other end of the main shaft is arranged in the shell and is matched with the unidirectional lock, when the clutch piece is stressed to rotate clockwise, the rotating shaft can rotate but cannot rotate reversely, namely, unlocking cannot happen, when unlocking is needed, the pressing piece is pressed down, the unidirectional lock is separated from the rotating shaft, and at the moment, the rotating shaft can rotate reversely, so that unlocking is achieved. The first elastic piece can be a spring, one end of the spring is propped against the inner wall of the shell, and the other end of the spring is propped against the unidirectional lock to apply force to the unidirectional lock in the direction of the rotating shaft.

When the door is closed, the protrusion 2111 on the side plate pushes the clutch member to rotate clockwise against the resistance of the elastic reset member, the spindle synchronously rotating with the clutch member is locked by the one-way device to prevent the clutch member from reversing, the spring 113 is used for resetting and inserting the lock into a latch plate (not shown in the figure) on the door frame, the clutch member releases the limit of the first lock, one ends of the first lock and the second lock enter the clamping groove under the action of the elastic pre-tightening member, the first lock and the second lock cannot limit the reset motion of the lock, namely the motion of the lock tongue is limited only, and preferably, the lock tongue is embodied in such a way that the first lock is propped against the front end of the clamping groove, when the first lock falls into the clamping groove, the first lock cannot retract due to the contact of the inner wall of the front end of the clamping groove, the inner wall of the rear end of the clamping groove is not affected by the inclined plane 3022, and when the door is to be opened, and the lock tongue cannot be opened, and the first lock tongue can be reset by pushing the reset member to release the first lock by pushing the reset member under the action of the elastic pre-tightening member.

In this embodiment, as shown in the figure, the unidirectional locking mechanism is a ratchet mechanism, the circumferential outer wall of the main shaft is provided with a first tooth 521, and the unidirectional lock is provided with a second tooth 611 which is in unidirectional fit with the first tooth. The one-way mechanism is a ratchet mechanism, and has simple structure and convenient use.

In this embodiment, as shown in the drawing, the unidirectional lock includes a first unidirectional lock 612 and a second unidirectional lock 613 that are disposed correspondingly on the left and right sides of the center line of the spindle, and further includes a switching mechanism 8 for adjusting the contact between the first unidirectional lock or the second unidirectional lock and the spindle. The unidirectional mechanism can adjust the locking direction to adapt to different mounting positions, and has wider application range.

In this embodiment, as shown in the drawing, the switching mechanism includes a first screw 81 and a second screw 82, where the first screw is in threaded connection with the housing, a first limiting hole in clearance fit with the first screw is formed in the first unidirectional lock, and the second screw is in threaded connection with the housing, and a second limiting hole 6131 in clearance fit with the second screw is formed in the second unidirectional lock. When the locking is needed, the screw in the corresponding direction is turned out, the unidirectional lock can be normally used, the screw of the unidirectional lock on the other side is turned into a state that the screw cannot be contacted with the main shaft, and the unidirectional lock has a simple structure and is convenient to use.

In this embodiment, as shown in the drawing, a push plate 513 is disposed in the housing, the push plate cooperates with the inclined surface of the button, a pushing portion 5131 for pushing the unidirectional lock away from the spindle is disposed on the push plate, and a second elastic member 514 for pushing the push plate away from the unidirectional lock is disposed on the back of the push plate. The push piece is provided with a slope 71 for pushing, the slope pushes a sliding surface 5132 on the back of the push plate to realize the backing of the push plate, the push plate can be advanced through a second elastic piece, the bottom of the push plate is relatively close to the push plate due to the inclined arrangement of the unidirectional lock, after the push plate backs, the push part of the push plate can push the unidirectional lock to leave the main shaft to realize unlocking, the shell is provided with a through groove 517 for the push piece to pass through, two sides of the through groove are provided with supporting tables 518, and the push piece further comprises a return spring 75, and the bottom of the return spring is contacted with the supporting tables to realize the resetting of the push piece.

In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The embodiments described with reference to the drawings are exemplary and intended to be illustrative of the invention and should not be construed as limiting the invention. The examples should not be construed as limiting the invention, but any modifications based on the spirit of the invention should be within the scope of the invention.

Claims

1. A lock mechanism, comprising:

a lock shell (1) which comprises an inner cavity (11) and an opening (12) which are communicated;

a movable plate (2), the front end of the movable plate is provided with a movable matched lock tongue (2),

the movable plate is arranged in the inner cavity and moves along a straight line to unlock or lock, the front end of the lock tongue passes through the opening and is exposed out of the lock shell when the lock tongue is in the locking position, and the lock tongue is provided with a clamping groove (21);

the blocking piece (3) is arranged in the inner cavity and used for extending into the clamping groove (21) to be in limit fit with the clamping groove through the pressure of the elastic pre-tightening piece (31) when the lock tongue is in the locking position;

the clutch piece (4) comprises a contact position for pressing the blocking piece to leave the clamping groove and a separation position for rotating to leave the blocking piece;

an elastic return member (40) for applying a force to bring the clutch member toward a contact position;

the blocking piece comprises a first lock (301) and a second lock (302) which are hinged with the inner cavity, and the clamping groove comprises a first clamping groove which is arranged corresponding to the first lock and a second clamping groove (212) which is arranged corresponding to the second lock;

the clutch piece comprises a rotary core (41), a first boss (411) is arranged on the outer wall of the rotary core, and the first boss is used for being contacted with one end of the second lock when the clutch piece is in a contact position;

the lock tongue (2) comprises a sliding seat, a side plate (211) is arranged on the sliding seat, a protrusion (2111) is arranged on the side plate, a second boss (412) is arranged on the outer wall of the rotary core, and the second boss is used for pushing the second boss to enable the first boss to leave the second lock when the side plate slides.

2. A lock mechanism according to claim 1, wherein: the second lock is provided with a second blocking wall (3021), the first lock is provided with a first blocking wall (3011), and the second blocking wall is used for being contacted with the first blocking wall when the clutch piece is in a contact position so that the first lock cannot rotate.

3. A touch door lock, characterized in that: the lock body mechanism comprises a one-way device (5) and any one of claims 1-2, wherein the one-way device (5) comprises a shell (51), a main shaft (52) which is in linkage fit with the clutch piece is arranged on the shell (51), a one-way locking mechanism (6) is arranged in the shell, the one-way locking mechanism comprises a one-way lock (61) which is in one-way fit with the main shaft and a first elastic piece (62) which pushes the one-way lock to be in contact with the main shaft, and a pressing piece (7) which moves along a straight line is further arranged in the shell, and is used for enabling the one-way lock to be separated from the main shaft when being pressed.

4. A touch door lock according to claim 3, wherein: the unidirectional locking mechanism is a ratchet mechanism, a first tooth (521) is arranged on the circumferential outer wall of the main shaft, and a second tooth (611) which is in unidirectional fit with the first tooth is arranged on the unidirectional lock.

5. The touch door lock of claim 4, wherein: the unidirectional lock comprises a first unidirectional lock (612) and a second unidirectional lock (613) which are correspondingly arranged on the left and right sides of the central line of the main shaft, and further comprises a switching mechanism (8) which is used for adjusting the first unidirectional lock or the second unidirectional lock to be in contact with the main shaft.

6. The touch door lock of claim 5, wherein: the switching mechanism comprises a first screw (81) and a second screw (82), wherein the first screw is in threaded connection with the shell, a first limiting hole in clearance fit with the first screw is formed in the first unidirectional lock, the second screw is in threaded connection with the shell, and a second limiting hole (6131) in clearance fit with the second screw is formed in the second unidirectional lock.

7. The touch door lock of claim 6, wherein: the shell is internally provided with a push plate (513), the push plate is matched with the inclined surface of the pressing piece, the push plate is provided with a pushing part (5131) for pushing the one-way lock to leave the main shaft, and the back of the push plate is provided with a second elastic piece (514) for pushing the push plate to leave the one-way lock.