CN213175198U - Door lock capable of selecting whether to open reverse lifting function - Google Patents

Abstract

The utility model belongs to the technical field of door locks, in particular to a door lock which can select whether to open a reverse lifting function, comprising a shell, wherein an oblique bolt and a square bolt are arranged in the shell, and a latch bolt driving piece for driving the latch bolt to move and a dead bolt driving piece for driving the dead bolt to move, a reverse lifting control assembly is arranged in the shell and comprises a fixing piece, and a slide switch connected to the fixed member, the slide switch being capable of moving up and down with respect to the fixed member and forming a control block extending out of the housing, the reverse control assembly further having a central shaft penetrating the fixed member and inserted into the inner wall of the housing, the central shaft being sleeved with a rotatable locking member, the locking member including a rotating portion having the central shaft as a rotation center, and the sliding switch is also provided with a linkage block for embedding the rotating part, and the latch bolt driving piece is fixedly provided with a limit shaft which extends forwards and can be hooked by the locking part. When the door lock is used, a user can select whether to open the reverse lifting function of the door lock.

Description

Door lock capable of selecting whether to open reverse lifting function

Technical Field

The utility model belongs to the technical field of the lock, a can select whether to open lock of function of carrying backward is related to.

Background

The door lock is used as a tool for locking a house door, can play a role in protecting the safety of life and property of people, and is necessary equipment in house construction. In modern life, for making things convenient for people to lock the door fast, the lock often can possess the function of raising one's back, when people go out to need the lock door, only need the handle on the reversal rotation door, the lock alright with the door pinning. The door lock with the back-lifting function is very popular with the users due to the convenient operation.

However, in some specific cases, such door locks with a back-up function may cause a lot of troubles to users. If a user forgets to take a key and goes out under the condition that the user locks the door by lifting the handle in the opposite direction when the user uses the purely mechanical door lock, the door lock can cause the problem that the user cannot open the door when the user returns. Or when a child is at home and carelessly lifts the handle in the condition that the child plays with the door lock in a room, the difficulty is caused to open the door of the user.

When the situation that the user is difficult to open the door occurs many times, the user may want to cancel the back-lift function of the door lock to avoid the problem again, but if the back-lift function of the door lock needs to be cancelled, the door lock is often required to be disassembled to change the internal structure of the door lock, which is difficult to be realized for general users, and if the door lock without the back-lift function needs to be directly replaced, unnecessary time and money are also spent on the user.

Aiming at the problems, the door lock which has the function of back lift and can also enable a user to quickly select whether to open the back lift function can be designed.

Disclosure of Invention

The utility model discloses according to above-mentioned problem, provide a can select whether to open the lock of anti-function of carrying, user's accessible simple operation realizes opening or closes the anti-function of carrying of lock.

The purpose of the utility model is realized like this:

the utility model provides a can select whether to open door lock of anti-function of carrying, includes the casing, is equipped with in the casing and can stretches out or retract the latch bolt and the square bolt of casing to and be used for driving the latch bolt driving piece of latch bolt motion with be used for driving the square bolt driving piece of square bolt motion, the latch bolt driving piece is steerable the square bolt driving piece rotates, and drives the square bolt stretches out the casing, be equipped with anti-control assembly that carries in the casing, anti-control assembly including being fixed in the mounting in the casing, and connect in slide switch on the mounting, slide switch can be relative the mounting is the translation from top to bottom to be formed with and stretch out the outer control block of casing, still be equipped with on the anti-control assembly and run through the mounting and insert the center pin of casing inner wall, the cover has rotatable dead lock piece on the center pin, and dead lock piece includes and uses the center pin is the, and the sliding switch is also provided with a linkage block for embedding the rotating part, the locking piece can rotate along with the up-and-down movement of the sliding switch, and the latch bolt driving piece is fixedly provided with a limit shaft which extends forwards and can be hooked by the locking part.

Furthermore, a connecting groove for embedding the sliding switch is formed in the fixing part, a positioning through hole is formed in the connecting groove, and a positioning convex circle capable of entering the positioning through hole is formed on the sliding switch.

Furthermore, a tooth groove is formed on the linkage block, and gear teeth capable of being meshed with the tooth groove are formed on the rotating part.

Furthermore, an anti-slip groove is formed on the control block.

Furthermore, a square core which is inserted into the inner wall of the shell and is used for connecting a handle is formed on the latch bolt driving piece.

Furthermore, a pushing part is formed at the lower end of the latch bolt driving part, a linkage groove facing the pushing part is formed on the dead bolt driving part, and a connecting part which is connected with the dead bolt driving part and presses the front end of the dead bolt driving part is formed on the dead bolt.

Furthermore, be formed with the spacing hole on the connecting piece, be formed with in the casing and pass the first locating post in spacing hole, still be formed with the location convex body on the connecting piece, be equipped with simultaneously cover in the triangle torsional spring on first locating post and the location convex body on the connecting piece.

Furthermore, a lock cylinder hole positioned below the connecting piece is formed in the shell.

Further, be formed with on the oblique tongue and stretch into connecting rod in the casing is connected with the linkage board on the connecting rod, be formed with on the tongue driving piece to one side can with the oblique tongue drive division that the linkage board left end offseted, be formed with the second reference column in the casing, the cover has the reset torsion spring that is formed with both ends steel wire on the second reference column, the one end steel wire of reset torsion spring with the inside wall of casing offsets, the other end steel wire with the right-hand member of linkage board offsets.

Furthermore, a sliding block is formed on the linkage plate, and a stroke hole for embedding the sliding block is formed in the shell.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the user only needs to slide outside the door lock the control block, the rotation of the deadlocking piece can be controlled to limit the bolt driving piece, so that the back lifting function of opening or closing the door lock is realized, the door lock can provide more selection space for the back lifting function of the door lock for the user, and the requirements of the user can be better met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of the door lock when the dead lock piece hooks the limit shaft.

Fig. 2 is a schematic view showing the internal structure of the door lock when the deadlocking member is far away from the limit shaft.

Fig. 3 is a schematic diagram of the internal structure of the door lock when the deadlocking member is far away from the limit shaft.

Fig. 4 is a perspective view of the poppet control assembly.

Fig. 5 is an exploded view of the back-up control assembly.

Fig. 6 is a front view of the deadlocking member.

0-shell, 01-first positioning column, 02-lock core hole, 03-second positioning column, 031-reset torsion spring, 04-stroke hole, 1-oblique tongue, 11-connecting rod, 12-linkage plate, 121-sliding block, 2-square tongue, 21-connecting piece, 211-limiting hole, 212-positioning convex body, 213-triangular torsion spring, 3-oblique tongue driving piece, 31-limiting shaft, 32-square core, 33-pushing part, 34-oblique tongue driving part, 4-square tongue driving piece, 41-linkage groove, 5-reverse lifting control component, 51-fixing piece, 511-connection groove, 512-positioning through hole, 52-slide switch, 521-control block, 5211-anti-skid groove, 522-linkage block, 5221-tooth groove, 523-positioning convex circle, 6-locking piece, 61-rotating part, 611-gear tooth, 62-locking part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The invention will be further described in the following with reference to specific embodiments thereof,

as shown in fig. 1-3, a door lock capable of selecting whether to open a back lift function includes a housing 0, a latch bolt 1 and a latch bolt 2 that can extend out or retract into the housing 0 are disposed in the housing 0, a latch bolt driving member 3 for driving the latch bolt 1 to move and a latch bolt driving member 4 for driving the latch bolt 2 to move are disposed in the housing 0, the latch bolt driving member 3 can control the latch bolt driving member 4 to rotate and drive the latch bolt 2 to extend out of the housing 0, a back lift control assembly 5 is disposed in the housing 0, the back lift control assembly 5 includes a fixing member 51 fixed in the housing 0 and a slide switch 52 connected to the fixing member 51, the slide switch 52 can translate up and down relative to the fixing member 51 and is formed with a control block 521 extending out of the housing 0, the back lift control assembly 5 is further provided with a central shaft 53 that penetrates through the fixing member 51 and is inserted into an inner wall of the housing 0, the central shaft 53 is sleeved with a rotatable locking piece 6, the locking piece 6 comprises a rotating part 61 taking the central shaft 53 as a rotating center and a hook-shaped locking part 62, a linkage block 522 which can be embedded into the rotating part 61 is further formed on the sliding switch 52, the locking piece 6 can rotate along with the up-and-down movement of the sliding switch 52, and a limiting shaft 31 which extends forwards and can be hooked by the locking part 62 is fixed on the latch driving part 3. Specifically, when the user pushes the control block 521 outwards and upwards in the door lock, the sliding switch 52 moves upwards and drives the dead lock piece 6 to rotate towards the direction away from the limiting shaft 31, at the moment, the dead lock piece 6 does not influence the dead lock piece 3, when the user rotates the handle in the reverse direction, the dead lock piece 3 can rotate anticlockwise, so that the dead lock piece 4 is pushed to rotate, the dead lock piece 2 is driven to extend out of the shell 0, the door lock is completed, and at the moment, the reverse lifting function of the door lock is opened. When a user slides the control block 521 downwards outside the door lock, the sliding block 52 moves downwards, and the deadlocking piece 6 is driven to rotate towards the direction close to the limiting shaft 31, and after the deadlocking piece 6 is close to the limiting shaft 31, the locking portion 62 of the deadlocking piece 6 hooks the limiting shaft 31, so that the limiting shaft 31 is fixed, the latch bolt driving piece 3 cannot rotate counterclockwise after the limiting shaft 31 is fixed, that is, the user cannot rotate the handle in the reverse direction any more, and at this time, the reverse lifting function of the door lock is closed.

As shown in fig. 4-5, a connecting groove 511 into which the sliding switch 52 can be inserted is formed in the fixed part 51, a positioning through hole 512 is formed in the connecting groove 511, and a positioning convex circle 523 which can enter the positioning through hole 512 is formed on the sliding switch 52. Specifically, the positioning through hole 512 and the positioning convex circle 523 cooperate to accurately provide a gear for opening and closing the door lock lifting function for the sliding switch 52, so that the sliding switch 52 can be accurately moved and fixed to a corresponding position no matter the sliding switch 52 moves upwards to open the door lock lifting function or moves downwards to close the door lock lifting function, thereby preventing the sliding switch 52 from sliding freely in the fixing member 51 to cause the door lock to be incapable of normally opening or closing the lifting function, and playing a role in stabilizing a control structure of the door lock for the lifting function.

As shown in fig. 4 to 6, a tooth groove 5221 is formed on the link block 522, and a gear tooth 611 capable of engaging with the tooth groove 5221 is formed on the rotating portion 61. Specifically, in the process of moving the slide switch 52 up and down, the link block 522 can push the gear teeth 611 to move through the tooth socket 5221, and since the rotating part 61 rotates around the central shaft 53, when the gear teeth 611 move, the rotating part 61 can drive the locking member 6 to rotate integrally around the central shaft 53, so that the locking part 62 hooks or leaves the limiting shaft 31, and finally the door lock is opened and closed with a reverse lifting function.

As shown in fig. 5, the control block 521 is formed with an anti-slip groove 5211. Specifically, the anti-slip groove 5211 can increase the friction force between the user's hand and the control block 521 when the user pushes the control block 521, so that the user can push the sliding switch 52 to move up and down more conveniently.

As shown in fig. 1 to 3, the latch driving member 3 is formed with a square core 32 inserted into an inner wall of the housing 0 and used to connect a handle. Specifically, insert through the handle that will be connected with the square steel in the square core 32, can realize the handle with the connection of square core 32, the user can pass through when rotating the handle square core 32 control the rotation of latch bolt driving piece 3.

Furthermore, a pushing part 33 is formed at the lower end of the latch bolt driving part 3, a linkage groove 41 facing the pushing part 33 is formed on the latch bolt driving part 4, and a connecting part 21 which is connected with the latch bolt driving part 4 and presses the front end of the latch bolt driving part 4 is formed on the latch bolt 2. Specifically, when the user reversely lifts the handle, so that the latch bolt driving part 3 rotates anticlockwise, the latch bolt driving part 3 pushes the latch bolt driving part 4 to rotate clockwise through the pushing part 33 close to the linkage groove 41, and the latch bolt driving part 4 pushes the latch bolt 2 to extend out of the shell 0 through the connecting part 21 when rotating clockwise, so that the door locking is completed. The connecting piece 21 and the dead bolt driving piece 4 can be connected through an eccentric wheel structure, so that the dead bolt driving piece 4 can drive the connecting piece 21 to translate when rotating, and finally the dead bolt 2 can stretch back and forth in the shell 0.

Furthermore, be formed with spacing hole 211 on the connecting piece 21, be formed with in the casing 0 and pass the first locating post 01 of spacing hole 211, still be formed with location convex body 212 on the connecting piece 21, be equipped with simultaneously the cover in triangle torsional spring 213 on first locating post 01 and the location convex body 212 on the connecting piece 21. Specifically, first reference column 01 has passed through spacing hole 211 has played the injecing of square tongue 2 displacement, triangle torsional spring 213 can be to the position that square tongue 2 kept plays the fixed action, no matter square tongue 2 stretches out when casing 0, still retract when casing 0, triangle torsional spring 213 can both make square tongue 2 keeps stable, and the random removal that takes place also makes the overall structure of this lock more stable.

Further, a lock cylinder hole 02 is formed in the housing 0 and located below the connecting member 21. Specifically, the lock cylinder hole 02 is used for installing a lock cylinder, a toggle block for controlling the connecting piece 21 to translate is arranged on the lock cylinder, and a user can insert a key into the lock cylinder or directly rotate a switch on the lock cylinder to control the toggle block to rotate, so that the toggle block drives the square bolt 2 to extend out of or retract into the shell 0 through the connecting piece 21.

Further, be formed with on the oblique tongue 1 and stretch into connecting rod 11 in the casing 0, be connected with linkage plate 12 on the connecting rod 11, be formed with on the oblique tongue driving piece 3 can with the oblique tongue drive division 34 that the linkage plate 12 left end offseted, be formed with second reference column 03 in the casing 0, the cover has the reset torsion spring 031 that is formed with the both ends steel wire on the second reference column 03, the one end steel wire of reset torsion spring 031 with the inside wall of casing 0 offsets, the other end steel wire with the right-hand member of linkage plate 12 offsets. Specifically, when the user normally rotates the handle, the latch bolt driving member 3 rotates clockwise to pass through the latch bolt driving portion 34 to push the linkage plate 12 to translate right, the linkage plate 12 drives the latch bolt 1 to retract through the connecting rod 11 in the process of translating right inside the casing 0, when the square bolt 2 does not extend out of the casing 1, the latch bolt 1 retracts into the casing 0, the user can complete the door opening action, when the latch bolt 1 retracts into the casing 0, the linkage plate 12 compresses the reset torsion spring 031, after the user loosens the handle, the latch bolt driving portion 34 of the latch bolt driving member 3 will not apply thrust to the linkage plate 12, that is, the linkage plate 12 will not apply pressure to the reset torsion spring 031 any more, the reset torsion spring 031 will start to reset, one end steel wire abutting against the linkage plate 12 pushes the linkage plate 12 to move leftwards, so that the latch bolt 1 extends out of the shell 0 again, and the reset torsion spring 031 ensures that the latch bolt 1 always extends out of the shell 0, so that the door lock can ensure that the door plate can be tightly attached to the door frame when being closed.

Further, a sliding block 121 is formed on the linkage plate 12, and a stroke hole 04 for embedding the sliding block 121 is formed in the housing 0. Specifically, the sliding block 121 is embedded into the stroke hole 04 to fix the linkage plate 12, so that the linkage plate 12 drives the latch bolt 1 to move in a horizontal direction, and meanwhile, the stroke hole 04 and the sliding block 121 are matched to limit the moving distance of the latch bolt 1, so that the internal structure and the working state of the door lock are more stable.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. A door lock capable of selecting whether to open a back lifting function comprises a shell (0), wherein an oblique tongue (1) and a square tongue (2) which can extend out or retract into the shell (0) are arranged in the shell (0), an oblique tongue driving piece (3) used for driving the oblique tongue (1) to move and a square tongue driving piece (4) used for driving the square tongue (2) to move are arranged in the oblique tongue driving piece (3), the oblique tongue driving piece (3) can control the square tongue driving piece (4) to rotate and drive the square tongue (2) to extend out of the shell (0), and is characterized in that a back lifting control assembly (5) is arranged in the shell (0), the back lifting control assembly (5) comprises a fixing piece (51) fixed in the shell (0) and a sliding switch (52) connected to the fixing piece (51), and the sliding switch (52) can vertically translate relative to the fixing piece (51), a control block (521) extending out of the shell (0) is formed, a central shaft (53) penetrating through the fixing piece (51) and inserted into the inner wall of the shell (0) is further arranged on the reverse lifting control assembly (5), a rotatable locking piece (6) is sleeved on the central shaft (53), the locking piece (6) comprises a rotating part (61) taking the central shaft (53) as a rotating center and a hook-shaped locking part (62), a linkage block (522) capable of being embedded into the rotating part (61) is further formed on the sliding switch (52), the locking piece (6) can rotate along with the up-and-down movement of the sliding switch (52), and a limit shaft (31) extending forwards and capable of being hooked by the locking part (62) is fixed on the latch driving piece (3).

2. The door lock capable of selecting whether to open the back lift function according to claim 1, wherein a connecting groove (511) into which the slide switch (52) is inserted is formed in the fixed member (51), a positioning through hole (512) is formed in the connecting groove (511), and a positioning convex circle (523) capable of entering the positioning through hole (512) is formed on the slide switch (52).

3. The door lock capable of selecting whether to open the counter lift function according to claim 1, wherein a spline (5221) is formed on the link block (522), and a gear tooth (611) engageable with the spline (5221) is formed on the rotating portion (61).

4. The door lock with the option of opening the strike function according to claim 1, wherein the control block (521) is formed with an anti-slip groove (5211).

5. A door lock capable of selecting whether to open a strike function according to claim 1, wherein the latch actuating member (3) is formed with a square core (32) inserted into an inner wall of the housing (0) and adapted to be connected to a handle.

6. The door lock capable of selecting whether to open the reverse lifting function according to claim 1, wherein a pushing portion (33) is formed at a lower end of the latch bolt driving member (3), a linking groove (41) facing the pushing portion (33) is formed on the latch bolt driving member (4), and a connecting member (21) connected to the latch bolt driving member (4) and pressed against a front end of the latch bolt driving member (4) is formed on the latch bolt (2).

7. The door lock capable of selecting whether to open the back lift function according to claim 6, wherein a limiting hole (211) is formed on the connecting member (21), a first positioning column (01) penetrating through the limiting hole (211) is formed in the housing (0), a positioning convex body (212) is further formed on the connecting member (21), and a triangular torsion spring (213) is arranged on the connecting member (21) and sleeved on the first positioning column (01) and the positioning convex body (212) at the same time.

8. The door lock with the option of opening the lift-off function according to claim 6, characterized in that a cylinder hole (02) is provided in the housing (0) below the connecting piece (21).

9. The door lock capable of selecting whether to open the reverse lifting function according to claim 1, wherein a connecting rod (11) extending into the casing (0) is formed on the latch bolt (1), a linkage plate (12) is connected to the connecting rod (11), a latch bolt driving portion (34) capable of abutting against the left end of the linkage plate (12) is formed on the latch bolt driving member (3), a second positioning column (03) is formed in the casing (0), a reset torsion spring (031) formed with steel wires at two ends is sleeved on the second positioning column (03), one end of the reset torsion spring (031) abuts against the inner side wall of the casing (0), and the steel wire at the other end abuts against the right end of the linkage plate (12).

10. The door lock capable of selecting whether to open the back lift function according to claim 9, wherein a sliding block (121) is formed on the linkage plate (12), and a stroke hole (04) for embedding the sliding block (121) is formed in the housing (0).

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