CN211342210U

CN211342210U - Door lock device capable of adapting to door thickness

Info

Publication number: CN211342210U
Application number: CN201921830880.XU
Authority: CN
Inventors: 谢若鹏; 徐俊; 周理新
Original assignee: Zhongshan Yangge Lock Industry Co ltd
Current assignee: Zhongshan Yangge Lock Industry Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-08-25
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a but thick locks of adaptation door, it includes the lock body, the front handle, back handle and drive assembly, rotationally be provided with front core and rear core on the lock body, be provided with first cartridge hole on the front core, be provided with second cartridge hole on the rear core, be provided with lock head chamber and first cartridge passageway on the front handle, be provided with second cartridge passageway on the back handle, drive assembly includes the front pole, the rear pole, the regulating rod, first elastic component and second elastic component, the place ahead pole is inserted and is located first cartridge passageway and first cartridge hole, the rear pole is inserted and is located second cartridge hole and second cartridge passageway, the regulating rod rotationally wears to locate the front pole, the front portion of regulating rod rotationally inserts and locates on the front handle, the rear portion of regulating rod is inserted and is located the rear pole and can rotate with the rear pole is synchronous. When the thickness of door is different, the accessible removes front side pole and rear pole and makes door lock device can install on this door, does not need the customization square pole for door lock device's installation is comparatively convenient.

Description

Door lock device capable of adapting to door thickness

Technical Field

The utility model relates to a tool to lock field, in particular to door lock device.

Background

The door lock generally has a front handle and a rear handle, and for partial door locks, when an electronic lock body is adopted, a lock head is arranged on the front handle, and can be unlocked through a clutch structure or the lock head, and then the front handle is rotated to achieve the purpose of unlocking. The rear handle is linked with the lock tongue device on the lock body, and the lock tongue device can be directly driven to act by rotating the rear handle, so that the aim of unlocking can be fulfilled.

To the door lock of above-mentioned structure, when needs utilize the tapered end that is located on hand to unblock, all insert the tapered end with the key, promote the square bar and remove one end distance, lead to separation and reunion structure inefficacy, rotate the preceding handle this moment and can directly unblank. However, this construction requires one end of the square bar to be held against the front handle and the other end to be held against the lock body. For the door lock structure, if the thickness of a door changes, a square bar needs to be customized, and the installation of the door lock is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide the thick door lock device of adaptable door, can be convenient for install on the door of different thickness.

The utility model discloses a scheme do: the door lock device capable of adapting to the thickness of the door comprises

The lock body is rotatably provided with a front core and a rear core, the front core is provided with a first insertion hole which is communicated from front to back, and the rear core is provided with a second insertion hole which is communicated from front to back;

the front handle is arranged on the front side of the lock body and is provided with a lock head cavity and a first insertion channel communicated with the lock head cavity;

the rear handle is arranged on the rear side of the lock body, and a second plug-in mounting channel is arranged on the rear handle;

the transmission assembly comprises a front rod, a rear rod, an adjusting rod, a first elastic piece and a second elastic piece, wherein the front portion and the rear portion of the front rod are respectively and correspondingly inserted into the first insertion channel and the first insertion hole, the front portion and the rear portion of the rear rod are respectively and correspondingly inserted into the second insertion hole and the second insertion channel, the adjusting rod rotatably penetrates through the front rod, the front portion of the adjusting rod is rotatably inserted into the front handle, the rear portion of the adjusting rod is inserted into the rear rod and can synchronously rotate with the rear rod, the first elastic piece is arranged between the front end face of the front rod and the front handle, and the second elastic piece is arranged between the rear end face of the rear rod and the rear handle.

The beneficial effect that above-mentioned scheme has: through the structure, when the thickness of the door is different, the distance between the front handle and the rear handle can be adjusted by moving the front rod and the rear rod, so that the door lock device can be installed on the door without customizing the square rod, and the installation of the door lock device is convenient.

According to door lock device of adaptable door thickness, be provided with the slot on the rear pole and with the spacing groove that the slot is linked together, the rear portion of regulating rod is inserted and is located in the slot, be provided with on the regulating rod and stretch into extremely spacing portion of spacing inslot.

According to door lock device of adaptable door thickness, be provided with the slot on the rear pole, the rear portion of regulating rod is inserted and is located in the slot, be provided with in the slot with the rear end face matched with third elastic component of rear pole.

According to door lock device of adaptable door thickness, be provided with first boss in the preceding handle, be provided with on the regulating rod with the trailing flank matched with second boss of first boss.

According to door lock device of adaptable door thickness, rotationally be provided with square core seat on the lock body, be provided with the first third cartridge hole of dialling the strip and lining up around and on the square core seat, the regulating rod is worn to locate third cartridge hole.

According to door lock device of adaptable door thickness, first cartridge hole and/or the downthehole locking boss that is provided with of second cartridge.

According to door lock device of adaptable door thickness, square core seat with be provided with the thrust surface on both of them of rear core, square core seat with be provided with on both of them of rear core with thrust surface matched with shifting block.

According to door lock device of adaptable door thickness, be provided with separation and reunion structure on the lock body, separation and reunion structure can with square core seat with the place ahead core transmission is connected so that square core seat with the front core can rotate in step.

According to but thick door lock device of adaptation door, the tapered end intracavity is provided with can supply key male tapered end device, the key inserts during the tapered end device can with the key perhaps the tapered end device with the regulating rod transmission is connected so that the regulating rod can follow the key rotates.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a block diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

fig. 3 is an exploded view of an embodiment of the present invention;

fig. 4 is a cross-sectional view of a front handle in an embodiment of the invention;

fig. 5 is a structural view of a rear handle in an embodiment of the present invention;

fig. 6 is an exploded view of a lock body in an embodiment of the present invention;

fig. 7 is a structural view of a rear core in an embodiment of the invention;

FIG. 8 is a schematic diagram of an embodiment of the present invention;

fig. 9 is a structural view of a rear pole in an embodiment of the present invention;

FIG. 10 is a block diagram of a square core print in an embodiment of the invention;

fig. 11 is a cross-sectional view of a lock body in an embodiment of the invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 11, the present invention provides a door locking device that can adapt to the thickness of a door, which includes a lock body 10, a front handle 20, a rear handle 30, a transmission assembly, a front plate seat, and a rear plate seat (the front plate seat and the rear plate seat are not shown in the drawings).

The lock body 10 is provided with a front core 11 and a rear core 12, the front core 11 and the rear core 12 are inserted into the lock body 10 and can rotate relative to the lock body 10, the front core 11 is provided with a first insertion hole 111 penetrating in the front-rear direction, and the rear core 12 is provided with a second insertion hole 121 penetrating in the front-rear direction. The front handle 20 is disposed at the front side of the lock body 10, the front handle 20 is rotatably mounted on the front panel seat, the front handle 20 is provided with a lock cylinder cavity 21 and a first insertion passage 22 communicated with the lock cylinder cavity 21, and the lock cylinder cavity 21 is provided with a lock cylinder device 50 into which a key can be inserted. The rear handle 30 is disposed at the rear side of the lock body 10, the rear handle 30 is rotatably mounted on the rear plate holder, and the rear handle 30 is provided with a second insertion passage 31.

The transmission assembly comprises a front rod 41, a rear rod 42, a regulating rod 43, a first elastic piece 44 and a second elastic piece 45, wherein the front part of the front rod 41 is inserted into the first insertion channel 22, the rear part of the front rod 41 is inserted into the first insertion hole 111 on the front core 11, the front part of the rear rod 42 is inserted into the second insertion hole 121 on the rear core 12, and the rear part of the rear rod 42 is inserted into the second insertion channel 31. The adjusting rod 43 penetrates through the front rod 41, the adjusting rod 43 can rotate relative to the front rod 41, the front portion of the adjusting rod 43 is inserted into the front handle 20 and can rotate relative to the front handle 20, the rear portion of the adjusting rod 43 is inserted into the rear rod 42, and the adjusting rod 43 can rotate synchronously with the rear rod 42. The first elastic member 44 is provided between the front end surface of the front rod 41 and the front handle 20, and the second elastic member 45 is provided between the rear end surface of the rear rod 42 and the rear handle 30.

When the lock body 10, the front plate seat and the rear plate seat are installed and fixed on a door in use, and the distance between the front handle 20 and the rear handle 30 depends on the thickness of the door. The front rod 41 is slidable along the first insertion path 22, and the rear rod 42 is slidable along the second insertion path 31. When the thickness of the door is large, the distance of the front rod 41 inserted into the first insertion passage 22 is short, and the distance of the rear rod 42 inserted into the second insertion passage 31 is short; when the thickness of the door is small, the distance of the front rod 41 inserted into the first insertion passage 22 is large, the distance of the rear rod 42 inserted into the second insertion passage 31 is also large, the first elastic member 44 can abut against the front rod 41 to restrict the front rod 41 from being separated from the front core 11, and the second elastic member 45 can abut against the rear rod 42 to restrict the rear rod 42 from being separated from the rear core 12. Through the structure, when the thickness of the door is different, the distance between the front handle 20 and the rear handle 30 can be adjusted by moving the front rod 41 and the rear rod 42, so that the door lock device can be installed on the door without customizing the square rods, and the installation of the door lock device is convenient.

The rear rod 42 is provided with a slot 421, the rear part of the adjusting rod 43 is inserted into the slot 421, the rear rod 42 is provided with a limit groove 422 communicated with the slot 421, and the adjusting rod 43 is provided with a limit part 431 extending into the limit groove 422. The limiting portion 431 may be a pin, a screw, or the like. This structure allows the adjusting rod 43 to rotate in synchronization with the rear lever 42. During assembly, the adjusting rod 43 may be inserted into the slot 421 of the rear rod 42, and then the stopper 431 may be installed.

In some embodiments, the rear portion of the adjusting rod 43 may be non-circular in cross-section, and the shape of the inner cavity of the slot 421 is adapted to the rear portion of the adjusting rod 43, so that the adjusting rod 43 can rotate synchronously with the rear rod 42.

In addition, be provided with third elastic component 46 in slot 421, third elastic component 46 and the rear end face contact cooperation of rear pole 42 can withstand the rear end face of regulating rod 43 through third elastic component 46, even make the rear pole 42 insert the distance of second cartridge passageway 31 shorter because the thickness of door is great, also can fix a position regulating rod 43 to avoid regulating rod 43 to rock, move backward.

In the above embodiment, the first elastic member 44, the second elastic member 45, and the third elastic member 46 are provided as compression springs.

Referring to fig. 2 and 8, a first boss 23 is provided in the front handle 20, and a second boss 432 that is in contact engagement with a rear side surface of the first boss 23 is provided on the adjustment rod 43. By this structure, the adjusting rod 43 can be positioned, and the adjusting rod 43 is prevented from moving forward.

The first elastic member 44 is located between the rear side surface of the first boss 23 and the front end surface of the front lever 41.

In some embodiments, the second projection 432 may be annular, and the second projection 432 protrudes from the side wall of the adjusting rod 43, the rear side wall of the first projection 23 is in contact fit with the front side wall of the second projection 432, and the third elastic element 46 is located between the rear side wall of the second projection 432 and the front end surface of the front rod 41 to further position the adjusting rod 43 and limit the backward movement of the adjusting rod 43.

The lock body 10 is provided with a square core seat 13 and a clutch structure 60, the square core seat 13 can rotate relative to the lock body 10, the square core seat 13 is provided with a third insertion hole 131 which is penetrated through from front to back, the front core 11 and the rear core 12 are both inserted on the square core seat 13, the front core 11 and the rear core 12 can rotate relative to the square core seat 13, and the adjusting rod 43 is penetrated in the third insertion hole 131. The square core base 13 is provided with a first dial bar 132, and when the square core base 13 rotates, the locking bolt device arranged on the lock body 10 can be dialed by the first dial bar 132, so that the locking bolt device acts to retract into the lock body 10, thereby completing unlocking.

In some embodiments, the front core 11 and the rear core 12 may not be inserted on the square core seat 13.

Referring to fig. 2, the stopper bosses 14 are provided in both the first insertion hole 111 and the second insertion hole 121, the rear end surface of the front rod 41 abuts against the stopper bosses 14 in the first insertion hole 111, and the front end surface of the rear rod 42 abuts against the stopper bosses 14 in the second insertion hole 121. This structure can restrict the forward movement of the front rod 41 to the second insertion hole 121 and the forward movement of the rear rod 42 to the first insertion hole 111.

In some embodiments, the stop projection 14 may be provided only in the first insertion hole 111 or the second insertion hole 121, and the stop projection 14 is located at the end of the first insertion hole 111 or the second insertion hole 121, so that the front rod 41 is restricted from moving backwards to be inserted into the second insertion hole 121, and the rear rod 42 is restricted from moving forwards to be inserted into the first insertion hole 111

A thrust surface 133 is arranged on the square core seat 13, a shifting block 122 is arranged on the rear core 12, and when the rear core 12 rotates in the forward direction, the shifting block 122 can be in contact fit with the thrust surface 133, so that the square core seat 13 rotates with the rear square core 12 to complete unlocking.

In some embodiments, the thrust surface 133 may be disposed on the rear core 12 and the dial 122 may be disposed on the square core print 13.

A second shifting bar 123 is arranged on the rear core 12, and when the rear core 12 rotates reversely, the second shifting bar 123 can push the bolt device to move, so that the bolt device extends out of the lock body 10 to complete locking.

The clutch structure 60 can connect the square core base 13 and the front core 11 in a transmission way when in work, and can enable the square core base 13 and the front core 11 to synchronously rotate when the square core base 13 is connected with the front core 11 in a transmission way.

Specifically, referring to fig. 6 and 11, the clutch structure 60 includes a clutch 61, a push rod 62 and a fourth elastic member (not shown in the drawings), the clutch 61 is mounted on the lock body 10, the square core base 13 is provided with a limiting hole 134, the push rod 62 is inserted into the limiting hole 134, the push rod 62 is provided with a third boss 621, and the fourth elastic member is located between the right side surface of the third boss 621 and the square core base 13. The front core 11 is provided with a limit notch 112, when the clutch 61 works, the push rod 62 can be pushed to move, so that the push rod 62 moves to be inserted into the limit notch 112, and the square core seat 13 can be in transmission connection with the front core 11.

The fourth elastic member is also provided as a compression spring. The door lock device is provided with a control system, the control system is used for controlling the action of the clutch 61, and the action of the clutch 61 needs to be authorized, for example, the control system acquires correct fingerprints, passwords or retina information and the like.

In the above embodiment, the lock cylinder device 50 has two structures, one is that the rear part of the lock cylinder device 50 has a lifting structure, when a correct key is inserted into the lock cylinder device 50 and the key is rotated, the lifting structure on the lock cylinder device 50 can be extended out, so that the lifting structure is inserted into the front part of the adjusting rod 43, the adjusting rod 43 is in transmission connection with the lock cylinder device 50, and the adjusting rod 43 can rotate along with the key; the other is that the lock device 50 is not provided with a lifting structure, when a correct key is inserted into the lock device 50, the rear part of the key extends out of the lock device 50 and is inserted into the front part of the adjusting rod 43, the adjusting rod 43 is in transmission connection with the key, and the adjusting rod 43 can also rotate along with the key. Both of the above-described lock cylinder devices 50 are well known in the art, and the structure and operation thereof are well known to those skilled in the art and will not be described in further detail herein.

1. The operation of the lock cylinder device 50 when the key is not inserted is as follows:

1-1, when authorization is not obtained, the front handle 20 is rotated to drive the front rod 41 and the front core 11 to rotate, the adjusting rod 43 does not rotate, the rear handle 30, the rear rod 42 and the rear core 12 do not rotate, and the square core seat 13 cannot be driven to rotate at the moment, so that the lock tongue device cannot be driven to act to complete locking and unlocking operations; the rear handle 30 is rotated to drive the adjusting rod 43, the rear rod 42, the rear core 12 and the square core seat 13 to rotate, and further drive the bolt device to move to complete the locking and unlocking operations, and at the moment, the front handle 20 does not rotate;

1-2, after obtaining authorization, the clutch 61 acts to connect the front core 11 and the square core base 13 in a transmission way, the front handle 20 is rotated to drive the front rod 41, the front core 11 and the square core base 13 to rotate, and the lock tongue device can be driven to act to complete the unlocking operation, and at the moment, the rear handle 30 does not rotate.

2. The operation of the lock cylinder device 50 when the key is inserted is as follows:

the correct key is inserted into the lock device 50, so that the adjusting rod 43 is in transmission connection with the key or the lock device 50, the key is rotated to drive the adjusting rod 43 to rotate, and further drive the rear rod 42, the rear core 12 and the square core base 13 to rotate, the bolt device is pushed to act through the first shifting strip 132, and the unlocking operation can be completed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The door lock device capable of adapting to the thickness of the door is characterized by comprising

2. The door lock device of claim 1, wherein the rear rod is provided with a slot and a limit groove communicated with the slot, the rear portion of the adjusting rod is inserted into the slot, and the adjusting rod is provided with a limit portion extending into the limit groove.

3. The door lock device with the thickness adaptable to the door as claimed in claim 1, wherein the rear rod is provided with a slot, the rear portion of the adjusting rod is inserted into the slot, and the slot is provided with a third elastic member matching with the rear end surface of the rear rod.

4. The door lock device with the thickness of the door adaptable to the claim 1 or 3 is characterized in that a first boss is arranged in the front handle, and a second boss matched with the back side surface of the first boss is arranged on the adjusting rod.

5. The door lock device of claim 1, wherein the lock body is rotatably provided with a square core holder, the square core holder is provided with a first shifting strip and a third insertion hole penetrating from front to back, and the adjusting rod is inserted into the third insertion hole.

6. The door lock device according to claim 1 or 5, wherein a stop projection is provided in the first insertion hole and/or the second insertion hole.

7. The door lock device with adaptable door thickness as claimed in claim 5, wherein one of said square core holder and said rear core is provided with a thrust surface, and the other of said square core holder and said rear core is provided with a dial block fitted with said thrust surface.

8. The door lock device of claim 5 or 7, wherein the lock body is provided with a clutch structure, and the clutch structure can drive and connect the square core seat and the front core so as to enable the square core seat and the front core to rotate synchronously.

9. The door lock device with the thickness adaptable to the door as claimed in claim 1, wherein a lock device is disposed in the lock cavity, and a key can be inserted into the lock device, so that the key or the lock device can be drivingly connected with the adjusting rod when the key is inserted into the lock device, so that the adjusting rod can rotate along with the key.