CN210828708U

CN210828708U - Anti-retreat lock body mechanism and touch type door lock

Info

Publication number: CN210828708U
Application number: CN201921429211.1U
Authority: CN
Inventors: 许方情
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-23
Anticipated expiration: 2029-08-30

Abstract

An anti-retreat lock body mechanism and a touch type door lock. The anti-retreat mechanism mainly solves the problem that most of anti-retreat mechanisms of the existing door locks are complex in structure. It is characterized in that the lock shell comprises an inner cavity and an opening which are communicated; the lock tongue is arranged in the inner cavity and is linearly movable for unlocking or locking, and the front end of the lock tongue passes through the opening to be exposed out of the lock shell when the lock tongue is at the locking position; the blocking piece comprises a first position and a second position, wherein the first position is matched with the lock tongue in a blocking way under the driving of the rotary core when the lock tongue is at the locking position, and the second position is away from the movement route of the lock tongue; the elastic resetting piece is used for pushing the rotary core to enable the blocking piece to tend to move to the second position. The utility model provides a lock body mechanism and touching formula lock prevents through holding the piece activity that the spring bolt from retreating, simple structure, convenient to use, it is further, still provide the lock of the touching formula that is equipped with this mechanism, can unblank through touching rather than rotating, compact structure is lower to the space demand of opening the door.

Description

Anti-retreat lock body mechanism and touch type door lock

Technical Field

The utility model belongs to the technical field of the five metals, in particular to prevent moving back lock body mechanism and touching formula lock.

Background

The door lock is a hardware installed on the door for keeping space privacy, and the basic structure of the door lock comprises a bolt which can perform telescopic motion under the action of external force and is matched with a buckle box arranged on a door frame, so that the door can be prevented from being opened under the unexpected conditions of wind blowing and the like.

The lock on the market now has the mechanism of preventing inserting the card and unlocking mostly, and this mechanism is used for preventing that the spring bolt atress from retreating and leading to the door to be opened, and present prevents that the most structure of mechanism is more complicated that moves backward, and the assembly is difficult, and in addition, the lock on the market is the structure that the handle was opened in the wrench movement mostly, and is great to the space requirement.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides a prevent moving back lock body mechanism and touching formula lock mainly solves the problem that the big most structure of mechanism is more complicated that prevents moving back of present lock.

The utility model adopts the technical proposal that:

an anti-backout lock body mechanism comprising:

the lock shell comprises an inner cavity and an opening which are communicated;

the lock bolt is arranged in the inner cavity and is linearly movable for unlocking or locking, and the front end of the lock bolt passes through the opening and is exposed out of the lock shell when the lock bolt is at the locking position;

the retaining mechanism comprises a rotating core, an elastic reset piece and a blocking piece in sliding fit with the inner cavity,

the blocking piece comprises a first position and a second position, wherein the first position is matched with the lock tongue in a blocking way under the driving of the rotary core when the lock tongue is in a locking position, and the second position is away from the movement route of the lock tongue;

the elastic resetting piece is used for pushing the rotating core to enable the blocking piece to tend to move to the second position.

The rotary core is provided with a cam, the cam is in sliding fit with the bottom of the transmission plate, and the transmission plate and the blocking piece are correspondingly arranged.

The baffle piece comprises a bottom plate in sliding fit with the inner cavity, a top plate is arranged on the bottom plate, and the transmission plate corresponds to the bottom of the top plate.

And a third elastic piece for applying force downwards is arranged on the upper end surface of the top plate.

The bottom plate is provided with a sliding block, and the lock shell is provided with a sliding groove in sliding fit with the sliding block.

The safety lock bolt comprises a side plate in sliding fit with the lock shell

And the inner wall of the inner cavity is provided with a baffle in hinged fit, one end of the baffle corresponds to the side plate, and the other end of the baffle corresponds to the bottom plate.

A touch type door lock comprises the anti-backing lock body mechanism, the one-way device comprises a shell, a main shaft which is in linkage fit with the rotating core is arranged on the shell,

the shell is internally provided with a one-way locking mechanism, the one-way locking mechanism comprises a one-way lock which is in one-way fit with the spindle and a first elastic piece which pushes the one-way lock to be in contact with the spindle, the shell is also internally provided with a pressing piece which moves along a straight line, and the pressing piece is used for enabling the one-way lock to be separated from the spindle when pressed.

The unidirectional locking mechanism is a ratchet wheel and pawl mechanism, the circumferential outer wall of the main shaft is provided with first teeth, and the unidirectional lock is provided with second teeth which are in unidirectional fit with the first teeth.

The one-way lock comprises a first one-way lock and a second one-way lock which are correspondingly arranged on the left and right sides of the central line of the main shaft, and further comprises a switching mechanism, wherein the switching mechanism is used for adjusting the contact between the first one-way lock or the second one-way lock and the main shaft.

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

The shell is internally provided with a push plate, the push plate is matched with the inclined surface of the pressing piece, the push plate is provided with a pushing part used 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 used for pushing the push plate to leave the one-way lock.

The utility model has the advantages that: the utility model provides a lock body mechanism and touching formula lock prevents through holding the piece activity that the spring bolt from retreating, simple structure, convenient to use, it is further, still provide the lock of the touching formula that is equipped with this mechanism, can unblank through touching rather than rotating, compact structure is lower to the space demand of opening the door.

Drawings

Fig. 1 is an exploded 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 an internal schematic view (locked and anti-retreat) of an embodiment of the present invention.

Fig. 4 is a schematic perspective view of a blocking member according to an embodiment of the present invention.

Fig. 5 is an explosion diagram of the touch type door lock of the present invention.

Fig. 6 is an exploded view of the one-way device of the touch type door lock of the present invention.

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

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

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

Fig. 10 is a schematic perspective view of the inside of the one-way device of the touch type door lock of the present invention.

Fig. 11 is a partial perspective view of the one-way 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 of the pressing member and the pushing plate of the touch type door lock of the present invention.

Fig. 14 is a schematic view of a touch type door lock according to another embodiment of the present invention.

Fig. 15 is an enlarged schematic view at DD in fig. 14.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings: as shown, an anti-back lock body mechanism includes: the lock shell comprises a lock shell 1, an inner cavity 11 and an opening 12 which are communicated with each other; the bolt 2 is arranged in the inner cavity and is linearly movable for unlocking or locking, and the front end of the bolt passes through the opening and is exposed out of the lock shell when the bolt is at the locking position; the backstop mechanism 3 comprises a rotary core 31, an elastic reset piece 33 and a blocking piece 34 in sliding fit with the inner cavity, wherein the blocking piece comprises a first position in blocking fit with the lock tongue under the driving of the rotary core when the lock tongue is in a locked position and a second position away from the movement route of the lock tongue; the elastic resetting piece is used for pushing the rotating core to enable the blocking piece to tend to move to the second position.

The elastic reset piece can be a spring or a torsion spring, which is used for pushing the rotary core to contact with the blocking piece, when the elastic reset piece is the torsion spring, referring to fig. 2 and 3, one end of a torsion pin of the torsion spring is pressed against the inner wall of the shell (preferably a pillar 118 in the shell), and the other end of the torsion pin is pressed against the cam to realize pre-tightening;

the lock tongue can comprise a movable rod 201, a fixing plate 101 is arranged in the lock shell, a spring 202 is arranged between the fixing plate and the movable rod, and the lock tongue is not repeated in the prior art and can adopt a bidirectional latch bolt structure.

As an alternative, the rotary core can directly push the blocking member to move or can drive the blocking member to move through the transmission member, when the blocking member descends, the blocking member presses against the back of the lock tongue to make the lock tongue unable to retreat (see fig. 3), specifically, when the rotary core is stressed to rotate clockwise against the action of the elastic resetting member, the transmission plate rotates against the potential needle, because the top of the transmission plate presses against the top plate, the top plate descends to the back of the lock tongue under the action of gravity (preferably gravity and the elastic force of the third elastic member), otherwise, the rotary core rotates counterclockwise to drive the transmission plate to rotate clockwise, so that the blocking member returns to the initial position.

In this embodiment, as shown in the figure, the device further includes a driving plate 111 hinged to the inner cavity, a cam 311 is disposed on the rotating core, the cam is in sliding fit with the bottom of the driving plate, and the driving plate and the blocking member are correspondingly disposed.

In this embodiment, as shown in the figure, the blocking member includes a bottom plate 341 slidably engaged with the inner cavity, a top plate 342 is disposed on the bottom plate, and the driving plate 111 is disposed corresponding to the bottom of the top plate.

In this embodiment, as shown in the figure, the top plate has a third elastic member 343 for applying a downward force. The third elastic element is a torsion spring or a spring.

In this embodiment, as shown in the figure, a sliding block 3411 is disposed on the bottom plate, and a sliding groove 13 slidably engaged with the sliding block is disposed on the lock housing. The structure is simple, and the linear motion of the bottom plate is realized.

In this embodiment, as shown in the figure, still include the safety lock tongue 4, the safety lock tongue include with lock shell sliding fit's curb plate 41, the inner chamber inner wall is equipped with articulated complex baffle 42, baffle one end with the curb plate corresponds the setting, one end with the bottom plate corresponds the setting. The safety lock tongue is arranged below the bottom plate under the normal state to prevent the bottom plate from descending, and can retract and cannot extend after being inserted into a door frame, and at the moment, referring to fig. 3, the baffle plate can leave the lower part of the bottom plate to enable the bottom plate to descend.

In this embodiment, as shown in the drawing, a touch type door lock includes a one-way device 5 and the above-mentioned anti-lock body mechanism, where the one-way device 5 includes a housing 51, a spindle 52 cooperating with the rotary core is disposed on the housing 51, a one-way locking mechanism 6 is disposed in the housing, the one-way locking mechanism includes a one-way lock 61 cooperating with the spindle in a one-way manner and a first elastic member 62 pushing the one-way lock to contact with the spindle, and a pressing member 7 moving along a straight line is further disposed in the housing, and the pressing member is configured to separate the one-way lock from the spindle when pressed. This main shaft can be through transmission round pin 53 with change the core linkage, and this main shaft one end stretches out the shell and is used for outward with the transmission pin junction, and one end is located in the shell be used for with the cooperation of one-way lock, when changeing core atress clockwise turning, the pivot can rotate but unable reversal, can't unblank this moment promptly, when needing to unblank, presses down the pressing piece, makes one-way lock leave the pivot, and the pivot can reverse this moment, realizes unblanking. The first elastic member may be a spring, one end of which is pressed against the inner wall of the housing, and the other end of which is pressed against the one-way lock, so as to apply a force to the direction of the rotating shaft.

The practical use of the door lock will be described below, when the door is closed, the bolt retreats, then the rotary core is driven (by the movable rod) to rotate clockwise against the action of the elastic reset piece, the driving plate rotates counterclockwise, the shoulder 203 on the bolt is at the lower end face of the top plate, the top plate cannot fall down, the locking rotary core of the one-way device makes the bolt not rotate, after the door is closed, under the action of the spring 202, the bolt extends into the door frame, the shoulder is no longer below the top plate, the top plate falls on the back of the bolt under the action of gravity and the third elastic piece, the door is locked and cannot be opened, at the same time, the safety bolt retreats and cannot extend (the plane is arranged on the door frame and is not a groove) with the safety bolt, thus, the top plate can freely descend, when the door needs to be unlocked, the button is pressed, the one-way device is released, the rotary core rotates under the action of the elastic reset piece, the top plate is jacked up through the rotating piece to leave the back of the lock tongue, the door can be opened through pulling, after the door is pulled, the safety lock tongue extends out, the baffle correspondingly falls below the bottom plate to prevent the lock tongue from being locked when the door is opened, so that the safety lock tongue cannot retreat, the safety lock tongue cannot be installed at the position, and the action of opening the door can be realized only by pressing the pressing piece again or pressing the pressing piece all the time.

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

In this embodiment, as shown in the figure, the one-way lock includes a first one-way lock 612 and a second one-way lock 613 which are correspondingly arranged left and right of the central line of the main shaft, and further includes a switching mechanism 8 for adjusting the contact between the first one-way lock or the second one-way lock and the main shaft. The one-way mechanism can adjust the locking direction to adapt to different installation positions, and has wider application range.

In this embodiment, as shown in the figure, the switching mechanism includes a first screw 81 and a second screw 82, 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, 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 lock is needed, the screw in the corresponding direction is rotated out, the one-way lock can be normally used, and the screw of the one-way lock on the other side is rotated into the one-way lock so that the screw cannot be contacted with the main shaft, so that the one-way lock is simple in structure and convenient to use.

In this embodiment, as shown in the figure, a push plate 513 is disposed in the housing, the push plate is matched with the pressing member in an inclined plane, a pushing portion 5131 for pushing the one-way lock to leave the main shaft is disposed on the push plate, and a second elastic member 514 for pushing the push plate to leave the one-way lock is disposed on the back of the push plate. Be equipped with the inclined plane 71 that is used for promoting on this pressing member, this inclined plane promotes the glide plane 5132 at push pedal back and realizes retreating of push pedal, the gos forward of this push pedal can be realized through the second elastic component, because one-way lock is the slope setting, its bottom can be comparatively close with the push pedal, its promotion portion can promote one-way lock and leave the main shaft and realize removing the locking after the push pedal is retreated, be equipped with the logical groove 517 that is used for the pressing member to pass on this shell, this logical groove both sides are equipped with a brace table 518, still include reset spring 75, this reset spring's bottom and this brace table contact, reset in order to realize the pressing member.

As another embodiment of the unidirectional locking mechanism, referring to fig. 14 and 15, a first unidirectional sleeve 92 fixed in the mounting groove 91, a second unidirectional sleeve 93 and a unidirectional bearing 95 linked with the main shaft are adopted, when in use, the unidirectional bearing ensures that the main shaft can only rotate in a unidirectional way, and when unlocking is required, the pressing piece 7 is pressed down to enable the second unidirectional sleeve to leave the first unidirectional sleeve, so that unlocking can be completed, and the second unidirectional sleeve can be communicated with the main shaft and can rotate reversely.

In the description of the present invention, it is to 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 those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

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

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

Claims

1. An anti-backing lock body mechanism, comprising:

the lock shell (1) comprises an inner cavity (11) and an opening (12) which are communicated with each other;

the bolt (2) is arranged in the inner cavity and is linearly movable for unlocking or locking, and the front end of the bolt passes through the opening and is exposed out of the lock shell when the bolt is at the locking position;

the retaining mechanism (3) comprises a rotating core (31), an elastic reset piece (33) and a blocking piece (34) which is in sliding fit with the inner cavity,

2. The anti-backout lock body mechanism of claim 1, wherein: still including articulate in driving plate (111) of inner chamber, be equipped with cam (311) on the commentaries on classics core, the cam with driving plate bottom sliding fit, the driving plate with it corresponds the setting to block.

3. The anti-backout lock body mechanism of claim 2, wherein: the blocking piece comprises a bottom plate (341) in sliding fit with the inner cavity, a top plate (342) is arranged on the bottom plate, and the transmission plate (111) and the bottom of the top plate are correspondingly arranged.

4. The anti-backout lock body mechanism of claim 3, wherein: the bottom plate is provided with a sliding block (3411), and the lock shell is provided with a sliding groove (13) in sliding fit with the sliding block.

5. The anti-backout lock body mechanism of claim 4, wherein: also comprises a safety bolt (4) which comprises a side plate (41) matched with the lock shell in a sliding way,

the inner wall of the inner cavity is provided with a baffle (42) in hinged fit, one end of the baffle corresponds to the side plate, and the other end of the baffle corresponds to the bottom plate.

6. The utility model provides a touching formula lock which characterized in that: comprising a one-way device (5) and an anti-back lock body mechanism according to any one of claims 1 to 5, wherein the one-way device (5) comprises a shell (51), a main shaft (52) which is in linkage fit with the rotating core is arranged on the shell (51),

the single-direction locking mechanism comprises a single-direction lock (61) which is in single-direction fit with the spindle and a first elastic piece (62) which pushes the single-direction lock to be in contact with the spindle, a pressing piece (7) which moves along a straight line is further arranged in the shell, and the pressing piece is used for enabling the single-direction lock to be separated from the spindle when pressed.

7. The touch-operated door lock according to claim 6, wherein: the one-way locking mechanism is a ratchet wheel and pawl mechanism, the circumferential outer wall of the main shaft is provided with first teeth (521), and the one-way lock is provided with second teeth (611) which are in one-way fit with the first teeth.

8. The touch-operated door lock according to claim 7, wherein: the one-way lock comprises a first one-way lock (612) and a second one-way lock (613) which are correspondingly arranged left and right along the central line of the main shaft, and further comprises a switching mechanism (8), wherein the switching mechanism is used for adjusting the contact between the first one-way lock or the second one-way lock and the main shaft.

9. The touch-operated door lock according to claim 8, wherein: the switching mechanism comprises a first screw (81) and a second screw (82), 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 one-way 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 one-way lock.

10. The touch-operated door lock according to claim 9, wherein: be equipped with push pedal (513) in the shell, the push pedal with the cooperation of pressing member inclined plane, be equipped with on the push pedal and be used for promoting the one-way lock leaves the promotion portion (5131) of main shaft, the push pedal back is equipped with and is used for promoting the push pedal is kept away from the second elastic component (514) of one-way lock.