CN217300186U - Door lock structure - Google Patents
Door lock structure Download PDFInfo
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- CN217300186U CN217300186U CN202220872680.6U CN202220872680U CN217300186U CN 217300186 U CN217300186 U CN 217300186U CN 202220872680 U CN202220872680 U CN 202220872680U CN 217300186 U CN217300186 U CN 217300186U
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- bolt
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- push rod
- lock
- tongue
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Abstract
The utility model discloses a door lock structure, including lock shell, spring bolt, drive assembly and locating part. An installation cavity and a tongue cavity are formed in the lock shell, a bolt channel is formed in the lock shell, one end of the tongue cavity is communicated with the installation cavity, and the other end of the tongue cavity is communicated with the bolt channel; the lock tongue is arranged in the lock tongue cavity, part of the lock tongue extends into the lock tongue channel, and a first elastic piece is arranged between the lock tongue and the wall of the lock tongue cavity at the end of the lock tongue channel; the driving assembly is arranged in the mounting cavity and partially extends into the bolt cavity, and comprises a push rod which acts on the bolt and drives the bolt to move along the bolt channel so as to perform locking operation; the locating part sets up in the tongue intracavity, and the locating part includes the elastic connecting rod, is formed with on the elastic connecting rod along the spacing portion of first spacing portion and the spacing portion of second of tongue intracavity axial distribution. The utility model discloses a door lock structure, its simple structure can lock fast and the unblock operation.
Description
Technical Field
The utility model relates to a house five metals technical field especially is about a door lock structure.
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 door lock in the prior art has the problems of complex locking and unlocking structure, long waiting time and the like, and the driving motor is required to act on the lock tongue all the time in the existing door lock structure, so that the service life of the driving motor is greatly shortened.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a door lock structure, its simple structure can lock fast and the unblock operation.
In order to achieve the above object, the utility model provides a door lock structure, including the lock shell, the spring bolt, drive assembly and locating part.
An installation cavity and a tongue cavity are formed in the lock shell, a bolt channel is formed in the lock shell, one end of the tongue cavity is communicated with the installation cavity, and the other end of the tongue cavity is communicated with the bolt channel; the lock tongue is arranged in the lock tongue cavity, part of the lock tongue extends into the lock tongue channel, and a first elastic piece is arranged between the lock tongue and the wall of the lock tongue cavity at the end of the lock tongue channel; the driving assembly is arranged in the mounting cavity and partially extends into the bolt cavity, and comprises a push rod which acts on the bolt and drives the bolt to move along the bolt channel so as to perform locking operation; the limiting piece is arranged in the tongue cavity and comprises an elastic connecting rod, a first limiting part and a second limiting part which are axially distributed along the tongue cavity are formed on the elastic connecting rod, when the push rod moves downwards to a first position, the spring bolt is pushed to a locking position, the first elastic piece is compressed, and the second limiting part abuts against the top end of the spring bolt to lock and limit; when the push rod moves upwards to the second position, the push rod radially jacks the first limiting part, the first limiting part drives the second limiting part to be radially far away from the top end of the lock bolt, the lock bolt moves upwards to the unlocking position under the action of the first elastic piece, and the first limiting part abuts against the top end of the lock bolt.
In one or more embodiments, the elastic connecting rod includes a first connecting section and a second connecting section which are bent, the first connecting section is fixed on the inner wall of the tongue cavity, a gap is formed between the second connecting section and the inner wall of the tongue cavity, the gap is gradually increased in the direction away from the first connecting section, and the first limiting portion and the second limiting portion are both arranged on the second connecting section.
In one or more embodiments, the push rod includes a push rod body and a push portion formed at a bottom end of the push rod body, a radial sectional area of the push portion is larger than a radial sectional area of the push rod body, and a smooth first guide surface is formed between the push rod body and the push portion.
In one or more embodiments, the lock bolt comprises a lock bolt body and a limiting part formed at the top end of the lock bolt body, and the maximum radial sectional area of the limiting part is larger than the radial sectional area of the push rod push part.
In one or more embodiments, an inductor is disposed in the bolt, and the inductor is connected to the driving assembly and configured to sense a signal and feed the signal back to the driving assembly, so that the driving assembly performs a locking operation.
In one or more embodiments, the driving assembly includes a driving motor and a driving screw, the driving motor is fixed in the installation cavity, the driving screw is in threaded connection with the push rod, and the driving screw rotates to drive the push rod to move so as to drive the lock tongue to move.
The utility model provides a door lock structure, including lock shell, spring bolt, drive assembly, second elastic component and locating part.
An installation cavity and a tongue cavity are formed in the lock shell, a bolt channel is formed in the lock shell, one end of the tongue cavity is communicated with the installation cavity, and the other end of the tongue cavity is communicated with the bolt channel; the lock tongue is arranged in the lock tongue cavity, part of the lock tongue extends into the lock tongue channel, and a first elastic piece is arranged between the lock tongue and the wall of the lock tongue cavity at the end of the lock tongue channel; the driving assembly is arranged in the mounting cavity and partially extends into the bolt cavity, and comprises a push rod which acts on the bolt and drives the bolt to move along the bolt channel so as to perform locking operation; the second elastic piece is positioned between the push rod and the lock tongue and connected with the push rod; the limiting piece is arranged in the tongue cavity and comprises an elastic connecting rod, a first limiting part and a second limiting part which are axially distributed along the tongue cavity are formed on the elastic connecting rod, when the push rod moves downwards to a first position, the spring bolt is pushed to a locking position, the first elastic piece is compressed, and the second limiting part abuts against the top end of the spring bolt to lock and limit; when the push rod moves upwards to the second position, the push rod radially jacks the first limiting part, the first limiting part drives the second limiting part to be radially far away from the top end of the spring bolt, and the spring bolt moves upwards to the unlocking position under the action of the first elastic piece.
In one or more embodiments, the elastic connecting rod comprises a first connecting section and a second connecting section which are bent, the first connecting section is fixed on the inner wall of the tongue cavity, a gap is formed between the second connecting section and the inner wall of the tongue cavity, the gap is gradually increased in the direction away from the first connecting section, and the first limiting portion and the second limiting portion are both arranged on the second connecting section.
In one or more embodiments, the push rod comprises a push rod body and a push part formed at the bottom end of the push rod body, the radial sectional area of the push part is larger than that of the push rod body, and a smooth first guide surface is formed between the push rod body and the push part; the second elastic piece is connected with the pushing part.
In one or more embodiments, the bolt comprises a bolt body and a limiting part formed at the top end of the bolt body, and the maximum radial sectional area of the limiting part is larger than the radial sectional area of the second elastic element.
Compared with the prior art, the utility model discloses a lock structure, through the cooperation between spring bolt, push rod, locating part and the first elastic component, can be quick realize lock and unblock, need not long-time waiting, and just lock simple structure, convenient assembling.
The utility model discloses a door lock structure through set up the inductor in the spring bolt, responds to mutually with the response piece of installing in the box of buckleing, and only when the sensing signal switch-on, driving motor start work, and drive push rod promotes the spring bolt and locks, and this design can play the protection motor, prevents the effect of its damage.
The utility model discloses a door lock structure through set up the elastic component between push rod and spring bolt, can lock under the condition that the in-process blocked at the spring bolt, continues to drive the push rod to remove and provides the buffering of certain degree to driving motor to protection driving motor does not damage.
Drawings
Fig. 1 is a schematic view of a door lock structure according to an embodiment of the present invention.
Fig. 2 is an internal view of a door lock structure according to a first embodiment of the present invention;
fig. 3 is an exploded view of a door lock structure according to a first embodiment of the present invention;
fig. 4 is a detailed view of the push rod in the door lock structure according to the first embodiment of the present invention;
fig. 5 is a detail view of the latch bolt in the door lock structure according to the first embodiment of the present invention;
fig. 6 is a detail view of a position limiting element in the door lock structure according to the first embodiment of the present invention.
Fig. 7 is an internal view of a door lock structure of a second embodiment of the present invention;
fig. 8 is an exploded view of a door lock structure according to a second embodiment of the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Example 1
As shown in fig. 1 to 3, an embodiment of the present invention provides a door lock structure, which includes a lock housing 10, a driving assembly 20, a locking tongue 30, a first elastic member 40 and a limiting member 50. The driving assembly 20, the locking bolt 30, the first elastic element 40 and the position limiting element 50 are disposed in the lock case 10, and the first elastic element 40 is located between the locking bolt 30 and the lock case 10. Part of the components of the driving assembly 20 move up and down in the lock case 10 for locking or unlocking operation, and the stopper 50 acts on the bolt 30 to cooperate with the driving assembly 20 and the first elastic member 40 to lock or unlock the door lock.
The lock case 10 is generally cylindrical, and may be rectangular in other embodiments, and the present application is not limited thereto. The lock shell 10 is formed by splicing and installing two semi-cylindrical shells, and is convenient to disassemble and maintain; in the lock case 10, an installation cavity 11 at the upper portion, a connection passage 12 at the middle portion, a tongue cavity 13 at the lower portion, and a tongue passage 14 are formed in the axial direction thereof in sequence. The connecting channel 12 is communicated with the mounting cavity 11 and the tongue cavity 13, and the other end of the tongue cavity 13 is communicated with a tongue channel 14 penetrating through the lock shell 10.
Referring to fig. 4, the push rod 23 is substantially cylindrical, the push rod 23 includes a push rod body 231 and a push portion 232 formed at a bottom end of the push rod body 231, a radial sectional area of the push portion 232 is larger than a radial sectional area of the push rod body 231, a smooth first guide surface 233 is formed between the push rod body 231 and the push portion 232, and the first guide surface 233 is configured to cooperate with the position limiting member 50 to unlock the door lock.
Referring to fig. 5, the locking tongue 30 is disposed in the tongue cavity 13 and partially extends into the locking tongue channel 14, and the locking tongue channel 14 can radially limit the locking tongue 30, so that the locking tongue 30 can be locked or unlocked accurately without being jammed. The locking bolt 30 is also substantially cylindrical, the locking bolt 30 includes a locking bolt body 31 and a limiting portion 32 formed at the top end of the locking bolt body 31, the maximum radial cross-sectional area of the limiting portion 32 is larger than the radial cross-sectional area of the pushing portion 232 of the push rod 23, and a second guide surface 321 matched with the limiting member 50 is formed in the circumferential direction of the limiting portion 32. First elastic element 40 is arranged between limiting portion 32 of lock tongue 30 and the wall of the tongue cavity at the end of lock tongue channel 14, first elastic element 40 is a spring, first elastic element 40 is in a compressed state during locking, and first elastic element 40 assists lock tongue 30 to rebound and reset for unlocking during unlocking.
In one embodiment, a sensor (not shown) is further disposed in the locking tongue 30, and the sensor is connected to the driving assembly 20 and configured to sense a signal and feed the signal back to the driving assembly 20 to perform a locking operation. Specifically, after the door lock is installed on the door body, an induction sheet corresponding to the inductor in the lock tongue 30 is arranged in the buckle box at a position corresponding to the door lock, and only when the driving motor receives a door closing signal and an induction signal between the inductor and the induction sheet at the same time, the driving motor is started to work to perform locking operation. In a preferred embodiment, the inductor and the inductive strip may be a reed switch and a magnet.
Referring to fig. 6, the limiting member 50 is disposed in the tongue cavity 13, the limiting member 50 includes an elastic connecting rod 51, the elastic connecting rod 51 includes a first connecting section 511 and a second connecting section 512, the first connecting section 511 is fixed on an inner wall of the tongue cavity 13, a gap is formed between the second connecting section 512 and the inner wall of the tongue cavity 13, and the gap gradually increases in a direction away from the first connecting section 511. The second connecting section 512 is formed with a first stopper 513 and a second stopper 514 axially distributed along the tongue cavity 13. The first limiting portion 513 and the second limiting portion 514 are both of a cylindrical structure with a hemispherical top end, and the pushing portion 232 of the push rod 23 is located between the first limiting portion 513 and the second limiting portion 514.
When locking, the push rod 23 moves down to the first position, the first elastic element 40 is compressed, the second guide surface 321 of the lock tongue 30 slides through the second limiting part 514, and finally the lock tongue 30 is pushed to the locking position, the second limiting part 514 abuts against the top end (above the limiting part 32) of the lock tongue 30 to perform locking and limiting, at this time, the driving motor 21 drives the push rod 23 to move up to a certain extent, the lock tongue 30 is limited by the second limiting part 514, and the locking state is maintained; during unlocking, the push rod 23 moves upwards to the second position, the push portion 232 of the push rod 23 radially pushes open the first limiting portion 513 (the action of the first guide surface 233), the movement of the first limiting portion 513 drives the second connecting section 512 and the second limiting portion 514 to radially move away from the top end of the lock tongue 30, the lock tongue 30 moves upwards to the unlocking position in time under the action of the first elastic element 50, and finally, the top of the lock tongue 30 is supported and held by the first limiting portion 513, so that the lock tongue 30 is kept in the unlocking state.
Example 2
As shown in fig. 7 to 8, the present embodiment is different from embodiment 1 in that a second elastic member 60 is further connected to a lower portion of the push rod 30 in the present embodiment. The second elastic element 60 is a cylindrical spring in this embodiment, one end of the spring is connected to the push rod 23, the other end of the spring abuts against the top end of the latch 30, and the projections of the push rod 23, the latch 30 and the second elastic element 60 in the axial direction are partially or completely overlapped.
In the locking process, when the door body with the door lock structure does not reach the position of the buckle box, the driving motor starts to start the locking operation (the inductor does not work), the second elastic piece can bear the pressure from the push rod for a period of time, the push rod can not directly act on the lock tongue, the lock tongue is forced to collide with the bottom surface, the driving motor is further damaged, and the door lock is damaged.
Compared with the prior art, the utility model discloses a lock structure, through the cooperation between spring bolt, push rod, locating part and the first elastic component, can be quick realize lock and unblock, need not long-time waiting, and just lock simple structure, convenient assembling.
The utility model discloses a door lock structure through set up the inductor in the spring bolt, responds to mutually with the response piece of installing in the box of buckleing, and only when the sensing signal switch-on, driving motor start work, and drive push rod promotes the spring bolt and locks, and this design can play the protection motor, prevents the effect of its damage.
The utility model discloses a door lock structure through set up the elastic component between push rod and spring bolt, can lock under the condition that the in-process blocked at the spring bolt, continues to drive the push rod to remove and provides the buffering of certain degree to driving motor to protection driving motor does not damage.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (10)
1. A door lock structure, comprising:
the lock comprises a lock shell, a lock body and a lock bolt, wherein an installation cavity and a bolt cavity are formed in the lock shell, a bolt channel is formed in the lock shell, one end of the bolt cavity is communicated with the installation cavity, and the other end of the bolt cavity is communicated with the bolt channel;
the bolt is arranged in the bolt cavity and partially extends into the bolt channel, and a first elastic piece is arranged between the bolt and the wall of the bolt cavity at the end of the bolt channel;
the driving assembly is arranged in the mounting cavity and partially extends into the bolt cavity, and comprises a push rod which acts on the bolt and drives the bolt to move along the bolt channel so as to perform locking operation; and
the limiting piece is arranged in the tongue cavity and comprises an elastic connecting rod, a first limiting part and a second limiting part which are axially distributed along the tongue cavity are formed on the elastic connecting rod, when the push rod moves downwards to a first position, the spring bolt is pushed to a locking position, the first elastic piece is compressed, and the second limiting part abuts against the top end of the spring bolt to lock and limit; when the push rod moves upwards to the second position, the push rod radially jacks the first limiting part, the first limiting part drives the second limiting part to be radially far away from the top end of the lock bolt, the lock bolt moves upwards to the unlocking position under the action of the first elastic piece, and the first limiting part abuts against the top end of the lock bolt.
2. The door lock structure according to claim 1, wherein the elastic connecting rod comprises a first connecting section and a second connecting section which are arranged in a bent manner, the first connecting section is fixed on the inner wall of the tongue cavity, a gap is formed between the second connecting section and the inner wall of the tongue cavity, the gap is gradually increased in a direction away from the first connecting section, and the first limiting portion and the second limiting portion are both arranged on the second connecting section.
3. The door lock structure according to claim 1, wherein the push rod includes a push rod body and a push portion formed at a bottom end of the push rod body, a radial sectional area of the push portion is larger than a radial sectional area of the push rod body, and a smooth first guide surface is formed between the push rod body and the push portion.
4. The door lock structure of claim 3, wherein the latch bolt comprises a latch bolt body and a limiting part formed at the top end of the latch bolt body, and the maximum radial sectional area of the limiting part is larger than the radial sectional area of the push rod pushing part.
5. The door lock structure of claim 1, wherein a sensor is disposed in the bolt, and the sensor is connected to the driving assembly for sensing a signal and feeding back the signal to the driving assembly to perform the locking operation.
6. The door lock structure of claim 1, wherein the driving assembly includes a driving motor and a driving screw, the driving motor is fixed in the mounting cavity, the driving screw is in threaded connection with the push rod, and the driving screw rotates to drive the push rod to move so as to drive the lock tongue to move.
7. A door lock structure, comprising:
the lock comprises a lock shell, a lock body and a lock bolt, wherein an installation cavity and a bolt cavity are formed in the lock shell, a bolt channel is formed in the lock shell, one end of the bolt cavity is communicated with the installation cavity, and the other end of the bolt cavity is communicated with the bolt channel;
the bolt is arranged in the bolt cavity and partially extends into the bolt channel, and a first elastic piece is arranged between the bolt and the wall of the bolt cavity at the end of the bolt channel;
the driving assembly is arranged in the mounting cavity and partially extends into the bolt cavity, and comprises a push rod which acts on the bolt and drives the bolt to move along the bolt channel so as to perform locking operation;
the second elastic piece is positioned between the push rod and the lock tongue and is connected with the push rod; and
the limiting piece is arranged in the tongue cavity and comprises an elastic connecting rod, a first limiting part and a second limiting part which are axially distributed along the tongue cavity are formed on the elastic connecting rod, when the push rod moves downwards to a first position, the spring bolt is pushed to a locking position, the first elastic piece is compressed, and the second limiting part abuts against the top end of the spring bolt to lock and limit; when the push rod moves upwards to the second position, the push rod radially jacks the first limiting part, the first limiting part drives the second limiting part to be radially far away from the top end of the spring bolt, and the spring bolt moves upwards to the unlocking position under the action of the first elastic piece.
8. The door lock structure according to claim 7, wherein the elastic connection rod includes a first connection section and a second connection section which are bent, the first connection section is fixed on the inner wall of the tongue cavity, a gap is formed between the second connection section and the inner wall of the tongue cavity, the gap is gradually increased in a direction away from the first connection section, and the first and second position-limiting portions are both disposed on the second connection section.
9. The door lock structure according to claim 7, wherein the push rod includes a push rod body and a push portion formed at a bottom end of the push rod body, a radial sectional area of the push portion is larger than a radial sectional area of the push rod body, and a smooth first guide surface is formed between the push rod body and the push portion; the second elastic piece is connected with the pushing part.
10. The door lock structure of claim 9, wherein the latch bolt includes a bolt body and a stopper formed at a top end of the bolt body, and a maximum radial sectional area of the stopper is larger than a radial sectional area of the second elastic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220872680.6U CN217300186U (en) | 2022-04-15 | 2022-04-15 | Door lock structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220872680.6U CN217300186U (en) | 2022-04-15 | 2022-04-15 | Door lock structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217300186U true CN217300186U (en) | 2022-08-26 |
Family
ID=82938430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220872680.6U Active CN217300186U (en) | 2022-04-15 | 2022-04-15 | Door lock structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217300186U (en) |
-
2022
- 2022-04-15 CN CN202220872680.6U patent/CN217300186U/en active Active
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