CN212054129U - Manual unlocking mechanism and door lock - Google Patents
Manual unlocking mechanism and door lock Download PDFInfo
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- CN212054129U CN212054129U CN202020128584.1U CN202020128584U CN212054129U CN 212054129 U CN212054129 U CN 212054129U CN 202020128584 U CN202020128584 U CN 202020128584U CN 212054129 U CN212054129 U CN 212054129U
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Abstract
The utility model discloses a manual unlocking mechanism and lock, manual unlocking mechanism includes: the lock shell is rotatably provided with an installation shaft; the lock bolt is slidably arranged on the lock shell; the poking piece is sleeved on the mounting shaft and is in transmission connection with the spring bolt, and the mounting shaft can drive the poking piece to drive the spring bolt to extend out of the lock shell or retract into the lock shell when rotating; the mechanical lock cylinder is arranged on the lock shell; the transmission assembly is arranged between the bolt and the mechanical lock cylinder, and the mechanical lock cylinder can drive the transmission assembly to drive the bolt to extend out of the lock shell or retract into the lock shell; the locking structure is arranged in the lock shell, and the spring bolt can be limited to be retracted into the lock shell through the locking structure when extending out of the lock shell. The handle assembly rotates and drives the toggle piece to rotate so as to drive the spring bolt to extend out of the lock shell, namely when the lock is in a lock closing state, the locking structure is arranged, the spring bolt can be limited to be retracted into the lock shell, the abnormal unlocking phenomenon is avoided, and the lock is stable in structure, safe and reliable.
Description
Technical Field
The utility model relates to a tool to lock technical field, in particular to manual unlocking mechanism and lock.
Background
At present, a conventional door lock includes a lock case, panels located at the front and rear of the lock case, and a handle connected to a mounting shaft of the lock case. However, when the bolt of the lock case is vibrated or acted by external force, abnormal unlocking may occur, and there is a potential safety hazard.
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 a manual unlocking mechanism, the transmission of manual unlocking mechanism is stable and the security is higher
The utility model also provides an use above-mentioned manual release mechanism's lock.
According to the utility model discloses manual unlocking mechanism of first aspect embodiment, include: the lock shell is rotatably provided with an installation shaft; the lock bolt is arranged on the lock shell in a sliding manner; the poking piece is sleeved on the mounting shaft and is in transmission connection with the spring bolt, and the mounting shaft can drive the poking piece to drive the spring bolt to extend out of the lock shell or retract into the lock shell when rotating; the mechanical lock cylinder is arranged on the lock shell; the transmission assembly is arranged between the bolt and the mechanical lock cylinder, and the mechanical lock cylinder can drive the transmission assembly to drive the bolt to extend out of the lock shell or retract into the lock shell; the locking structure is arranged in the lock shell, and the spring bolt can be limited to be retracted into the lock shell through the locking structure when extending out of the lock shell.
According to the utility model discloses manual unlocking mechanism has following technological effect at least: the handle assembly rotates and drives the toggle piece to rotate so as to drive the spring bolt to extend out of the lock shell, namely, when the lock is in a lock closing state, the lock bolt can be limited to be retracted into the lock shell through the locking structure, the phenomenon that the spring bolt is abnormally unlocked under the action of vibration or external force is avoided, and the lock is stable in structure, safe and reliable.
According to the utility model discloses a some embodiments, the fixed portion of stirring that is provided with on the piece of stirring, correspond on the spring bolt the portion of stirring is provided with the slope spout, slope spout slope sets up, the portion of stirring slide set up in the slope spout, installation axle can pass through during rotation the portion of stirring with the slope spout cooperation drives the spring bolt stretches out lock shell or withdraw in the lock shell. The handle assembly rotates in the door and can drive the installation shaft to rotate, so that the driving toggle piece rotates to drive the spring bolt to move, the structure is simple, and transmission is stable and reliable.
According to the utility model discloses a some embodiments, the locking structure including set up in spacing groove on the spring bolt, the spacing groove with the slope spout is linked together, the spring bolt stretches out when the lock shell, stirring portion can along the slope spout slide in extremely spacing inslot, with the restriction the spring bolt is withdrawed in the lock shell, stable in structure, the locking is reliable.
According to some embodiments of the utility model, be provided with first connecting portion on the lock shell, the other end that dials the piece has the second connecting portion, the lock shell with be provided with between the first portion of stirring with first connecting portion with the elastic component that the second connecting portion are connected, the elastic component can dial the piece and do not have external force to act on when dialling on the piece limit first portion of stirring removes the spacing groove. Make the lock when closing the lock, keep the tight fit between first portion of stirring and the spacing groove, avoid first portion of stirring and spacing groove to take place relative drunkenness when no exogenic action down, influence the stability of structure.
According to some embodiments of the utility model, the transmission assembly including slide set up in rack in the lock shell and rotationally the cover locate the first gear of installation axle, the rack with first gear engagement, the rack with the spring bolt transmission is connected, first gear with mechanical lock core transmission is connected and can be driven the spring bolt stretches out the lock shell is perhaps withdrawed in the lock shell, the rack with be provided with between the spring bolt and can relieve locking structure is right the unlocking structure of spring bolt, simple structure and unblock are reliable.
According to some embodiments of the utility model, the unblock structure including fixed set up in promotion portion on the rack with fixed set up in the rake of stirring, correspond on the spring bolt promotion portion is provided with the bar hole, promotion portion slide set up in the bar hole just passes the bar hole, the rack orientation when stirring the piece and removing, promotion portion can act on the rake is with the drive stir the piece and rotate, make first stirring portion break away from in the spacing groove and slide in to in the slope spout, the rack can drive the spring bolt can be withdrawed in the lock shell. Through this unlocking structure, the restriction of locking structure to the spring bolt has been removed to realize unblanking, transmission safe and reliable.
According to some embodiments of the utility model, the last installation through-hole of having seted up of toggle, the installation axle is rotationally worn to locate in the installation through-hole, the symmetry is provided with first butt portion and second butt portion on the installation through-hole inner wall, the installation axle is provided with and is located first butt portion with second portion of stirring between the second butt portion, first butt portion with have between the second butt portion and supply second portion of stirring pivoted rotation space, the installation axle can rotate extremely second portion of stirring butt in first butt portion perhaps second butt portion. When the handle subassembly rotates the installation axle and rotates, the portion butt is stirred to the second in first butt portion or second butt portion, can drive and stir a rotation, thereby realize stirring a drive spring bolt and stretch out the lock shell or withdraw the lock shell, when removing the restriction of locking structure to the spring bolt, the rack drives the spring bolt and stretches out the lock shell or withdraw in the lock shell, only stir a rotation, can't drive the installation axle and rotate, stir the portion through rotating the relative second in space between first ground portion and the second ground portion and rotate, the motion load to transmission assembly has been reduced, moreover, the steam generator is simple in structure and reasonable, the service life is prolonged.
According to the utility model discloses a some embodiments, the spring bolt with be provided with first guide way on one of them of rack, the spring bolt with be provided with on the other of both racks with first guide way sliding fit's first guide part plays the guide effect to the removal of rack.
According to the utility model discloses a some embodiments, lock shell with be provided with the second guide way on one of them of spring bolt, lock shell with spring bolt be provided with on the other of both with second guide way sliding fit's second guide part plays the guide effect to the removal of spring bolt.
According to the utility model discloses door lock of second aspect embodiment, include according to the utility model discloses above-mentioned manual unlocking mechanism of first aspect embodiment.
According to the utility model discloses door lock has following beneficial effect at least: be provided with this manual unlocking mechanism on the lock, handle components rotates and drives and dial the piece and rotate in order to drive the spring bolt and stretch out the lock shell, is in promptly and closes when locking the state, through being provided with this locking structure, can restrict the spring bolt and withdraw the lock shell, has avoided the emergence of the abnormal phenomenon of unblanking under the spring bolt receives vibrations or exogenic action, stable in structure, safe and reliable.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a locked state of a manual unlocking mechanism according to an embodiment of the present invention;
fig. 2 is a schematic view of an unlocked state of the manual unlocking mechanism shown in fig. 1;
FIG. 3 is an exploded schematic view of the toggle and drive assembly of the embodiments.
Reference numerals:
the lock shell 10, the mounting shaft 11, the second toggle part 111 and the second guide groove 12;
the locking bolt 20, the inclined sliding groove 21, the limiting groove 22, the strip-shaped hole 23 and the first guide groove 24;
the toggle piece 30, the first toggle part 31, the inclined part 32, the mounting through hole 33, the first abutting part 331, the second abutting part 332;
a mechanical lock cylinder 40;
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 referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in fig. 1, 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 therefore, should not be construed as limiting the present invention.
In the description of the present invention, if a plurality of, more than, less than, more than, etc. appear, a plurality of means are one or a plurality of, a plurality of means are two or more, more than, less than, more than, etc. are understood as not including the number, and more than, less than, etc. are understood as including the number. If the first and the third are described for the purpose of distinguishing technical features, the description is not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1, 2 and 3, a manual unlocking mechanism according to an embodiment of the first aspect of the present invention includes: the lock shell 10 is provided with a mounting shaft 11 in a rotatable manner; the bolt 20, the bolt 20 is set on the lock shell 10 slidably; the poking piece 30 is sleeved on the mounting shaft 11, the poking piece 30 is in transmission connection with the bolt 20, and the mounting shaft 11 can drive the poking piece 30 to drive the bolt 20 to extend out of the lock case 10 or retract into the lock case 10 when rotating; the mechanical lock cylinder 40 is arranged on the lock shell 10; the transmission assembly 50 is arranged between the bolt 20 and the mechanical lock cylinder 40, and the mechanical lock cylinder 40 can drive the transmission assembly 50 to drive the bolt 20 to extend out of the lock shell 10 or retract into the lock shell 10; and the locking structure is arranged in the lock shell 10, and when the bolt 20 extends out of the lock shell 10, the bolt 20 can be limited to be retracted into the lock shell 10 through the locking structure.
It should be noted that, in some embodiments of the present invention, a handle assembly is linked to the mounting shaft 11.
According to the utility model discloses manual unlocking mechanism, handle components rotate and drive and dial piece 30 and rotate in order to drive spring bolt 20 and stretch out lock shell 10, are in promptly when closing the lock state, through being provided with this locking structure, can restrict spring bolt 20 and withdraw lock shell 10, have avoided the emergence of the unusual phenomenon of unblanking under spring bolt 20 receives vibrations or exogenic action, stable in structure, safe and reliable.
Referring to fig. 1, fig. 2 and fig. 3, in some embodiments of the utility model, stir and fixedly on the piece 30 be provided with first stirring portion 31, it is provided with slope spout 21 to correspond first stirring portion 31 on the spring bolt 20, slope spout 21 slope sets up, first stirring portion 31 slides and sets up in slope spout 21, can drive spring bolt 20 through first stirring portion 31 and the cooperation of slope spout 21 when installation axle 11 rotates and stretch out lock shell 10 or withdraw in the lock shell 10, the handle subassembly rotates in the door can drive installation axle 11 and rotate, thereby the drive is stirred and is moved in order to drive spring bolt 20, moreover, the steam generator is simple in structure, the transmission is steady and reliable.
Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the locking structure includes a limiting groove 22 disposed on the lock tongue 20, the limiting groove 22 is communicated with the inclined sliding groove 21, when the lock tongue 20 extends out of the lock case 10, the first toggle portion 31 can slide into the limiting groove 22 along the inclined sliding groove 21 to limit the lock tongue 20 to withdraw the lock case 10, and the lock structure is stable and the locking is reliable.
In some embodiments of the present invention, the first connecting portion is disposed on the lock case 10, the other end of the toggle member 30 has the second connecting portion, an elastic member connected to the first connecting portion and the second connecting portion is disposed between the lock case 10 and the first toggle portion 31, and the elastic member can limit the first toggle portion 31 from moving away from the limiting groove 22 when the toggle member 30 has no external force acting on the toggle member 30. Make the lock when closing the lock, keep the tight fit between first stirring portion 31 and the spacing groove 22, avoid first stirring portion 31 and spacing groove 22 to take place relative drunkenness when having no exogenic action, influence the stability of structure. It should be noted that the elastic member is a torsion spring, and two torsion arms on the torsion spring are arranged in an a shape. In some embodiments, the elastic element may also be configured as a tension spring, two ends of the tension spring are respectively connected to the first connecting portion and the second connecting portion, and the tension spring is in a compressed state when the first toggle portion 31 is located in the limiting groove 22, so as to limit the first toggle portion 31 from moving away from the limiting groove 22.
Referring to fig. 1, fig. 2 and fig. 3, in the embodiment of the present invention, the transmission assembly 50 includes a rack 51 slidably disposed in the lock case 10 and a first gear 52 rotatably sleeved on the installation shaft 11, the rack 51 is engaged with the first gear 52, the rack 51 is in transmission connection with the latch bolt 20, the first gear 52 is in transmission connection with the mechanical lock cylinder 40 and can drive the latch bolt 20 to extend out of the lock case 10 or withdraw from the lock case 10, an unlocking structure capable of releasing the locking structure to the latch bolt 20 is disposed between the rack 51 and the latch bolt 20, and the structure is simple and the unlocking is reliable.
It can be understood that a second gear coupled with the mechanical lock cylinder 40 is fixedly disposed on the mechanical lock cylinder 40, and the second gear is engaged with the first gear 52, or a second gear is rotatably disposed in the lock case 10, a shifting block is fixedly disposed on the second gear, and a driving block for shifting the shifting block and rotating the second gear is disposed on the mechanical lock cylinder 40.
It should be noted that, in some embodiments of the present invention, the first gear 52 has a large gear portion and a small gear portion linked with the large gear portion, the rack 51 on the rack 51 is engaged with the small gear portion, and the second gear is engaged with the large gear portion.
In some embodiments of the present invention, the rack 51 is slidably disposed on the lock tongue 20, the first guide groove 24 is disposed on the lock tongue 20, and the rack 51 is provided with a first guide portion slidably engaged with the first guide groove 24, so as to guide the movement of the rack 51. Of course, the rack 51 is provided with a first guide groove 24, and the locking bolt 20 is provided with a first guide portion slidably engaged with the first guide groove 24. It will be appreciated that the first guide portion may be a pin or a locating post formed on the rack 51 or the locking bolt 20. Of course, in some embodiments, the rack 51 is slidably disposed on the lock housing 10.
Referring to fig. 1, fig. 2 and fig. 3, in the embodiment of the present invention, the unlocking structure includes a pushing portion 51 fixedly disposed on the rack 51 and an inclined portion 32 fixedly disposed on the toggle member 30, the pushing portion 51 corresponding to the locking bolt 20 is provided with a strip-shaped hole 23, the pushing portion 51 is slidably disposed in the strip-shaped hole 23 and passes through the strip-shaped hole 23, when the rack 51 moves toward the toggle member 30, the pushing portion 51 can act on the inclined portion 32 to drive the toggle member 30 to rotate, so that the first toggle portion 31 is separated from the limiting groove 22 and slides into the inclined sliding groove 21, and the rack 51 can drive the locking bolt 20 to withdraw the lock case 10. Through this unlocking structure, the restriction of locking structure to spring bolt 20 has been removed to realize unblanking, transmission safe and reliable.
Referring to fig. 1, 2 and 3, in the embodiment of the present invention, a mounting through hole 33 is formed in the toggle member 30, the mounting shaft 11 rotatably penetrates through the mounting through hole 33, a first abutting portion 331 and a second abutting portion 332 are symmetrically disposed on an inner wall of the mounting through hole 33, the mounting shaft 11 is provided with a second toggling portion 111 located between the first abutting portion 331 and the second abutting portion 332, a rotating space for rotating the second toggling portion 111 is provided between the first abutting portion 331 and the second abutting portion 332, and the mounting shaft 11 can rotate until the second toggling portion 111 abuts against the first abutting portion 331 or the second abutting portion 332. When the handle subassembly rotates installation axle 11 and rotates, second toggle portion 111 butt in first butt portion 331 or second butt portion 332, can drive and dial piece 30 and rotate, thereby realize dialling piece 30 and drive spring bolt 20 and stretch out lock shell 10 or withdraw lock shell 10, when removing the restriction of locking structure to spring bolt 20, rack 51 drives spring bolt 20 and stretches out lock shell 10 or withdraw in the lock shell 10, rotate through relative second toggle portion 111 in rotation space between first ground connection portion and the second ground connection portion, only dial piece 30 and rotate, can't drive installation axle 11 and rotate, the motion load to transmission subassembly 50 has been reduced, moreover, the steam generator is simple in structure and reasonable, service life is prolonged.
It can be understood that in some embodiments of the present invention, a second guiding groove 12 is provided on the lock case 10, a second guiding portion slidably engaged with the second guiding groove 12 is provided on the lock tongue 20, a second guiding groove 12 is provided on the lock tongue 20, and a second guiding portion slidably engaged with the second guiding groove 12 is provided on the lock case 10. Certainly, the lock case 10 is provided with a second guide groove 12, and the locking tongue 20 is provided with a second guide portion in sliding fit with the second guide groove 12, so as to guide the movement of the locking tongue 20 and ensure stable connection.
It is understood that the first guide portion and the second guide portion are both provided as a pin or a forming column.
According to the utility model discloses door lock of second aspect embodiment, include according to the utility model discloses above-mentioned manual unlocking mechanism of first aspect embodiment.
According to the utility model discloses the lock is provided with this manual unlocking mechanism on the lock, and handle components rotates and drives and dial piece 30 and rotate in order to drive spring bolt 20 and stretch out lock shell 10, is in when closing the lock state promptly, through being provided with this locking structure, can restrict spring bolt 20 and withdraw lock shell 10, has avoided receiving the emergence of the unusual phenomenon of unblanking under vibrations or the exogenic action when spring bolt 20, stable in structure, safe and reliable.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A manual unlocking mechanism, comprising:
the lock shell (10), the lock shell (10) is rotatably provided with a mounting shaft (11);
the bolt (20), the bolt (20) is set up on the lock shell (10) slidably;
the poking piece (30) is sleeved on the mounting shaft (11), the poking piece (30) is in transmission connection with the lock bolt (20), and the mounting shaft (11) can drive the poking piece (30) to drive the lock bolt (20) to extend out of the lock shell (10) or retract into the lock shell (10) when rotating;
the mechanical lock cylinder (40), the said mechanical lock cylinder (40) is mounted on the said lock shell (10);
the transmission assembly (50) is arranged between the bolt (20) and the mechanical lock cylinder (40), and the mechanical lock cylinder (40) can drive the transmission assembly (50) to drive the bolt (20) to extend out of the lock shell (10) or retract into the lock shell (10);
the locking structure is arranged in the lock shell (10), and when the bolt (20) extends out of the lock shell (10), the bolt (20) can be limited to be retracted into the lock shell (10) through the locking structure.
2. The manual unlocking mechanism according to claim 1, characterized in that: stir and be provided with first portion of stirring (31) on (30), correspond on spring bolt (20) first portion of stirring (31) is provided with slope spout (21), slope spout (21) slope sets up, first portion of stirring (31) slide set up in slope spout (21), installation axle (11) can pass through when rotating first portion of stirring (31) with slope spout (21) cooperation drives spring bolt (20) are stretched out lock shell (10) or are withdrawed in lock shell (10), and the handle subassembly is rotated in the door can drive installation axle (11) and rotate to the drive is stirred (30) and is rotated in order to drive spring bolt (20) remove.
3. The manual unlocking mechanism according to claim 2, characterized in that: the locking structure comprises a limiting groove (22) arranged on the lock bolt (20), the limiting groove (22) is communicated with the inclined sliding groove (21), and when the lock bolt (20) extends out of the lock shell (10), the poking part can slide into the limiting groove (22) along the inclined sliding groove (21) to limit the lock bolt (20) to be retracted into the lock shell (10).
4. The manual unlocking mechanism according to claim 3, characterized in that: the lock shell (10) is provided with a first connecting portion, the other end of the poking member (30) is provided with a second connecting portion, an elastic member connected with the first connecting portion and the second connecting portion is arranged between the lock shell (10) and the first poking portion (31), and the elastic member can limit the first poking portion (31) to move away from the limiting groove (22) when the poking member (30) has no external force acting on the poking member (30).
5. The manual unlocking mechanism according to claim 4, wherein: drive assembly (50) including slide set up in rack (51) in lock shell (10) and rotationally the cover locate first gear (52) of installation axle (11), rack (51) with first gear (52) meshing, rack (51) with spring bolt (20) transmission is connected, first gear (52) with mechanical lock core (40) transmission is connected and can drive spring bolt (20) stretch out lock shell (10) or withdraw in lock shell (10), rack (51) with be provided with between spring bolt (20) and can relieve locking structure is right the unlocking structure of spring bolt (20).
6. The manual unlocking mechanism according to claim 5, characterized in that: unlocking structure including fixed set up in promotion portion (511) on rack (51) with fixed set up in stir rake (32) of piece (30), correspond on spring bolt (20) promotion portion (511) are provided with strip hole (23), promotion portion (511) slide set up in strip hole (23) just pass strip hole (23), rack (51) orientation when stirring piece (30) remove, promotion portion (511) can act on rake (32) are in order to drive stir piece (30) and rotate, make stir the portion break away from in spacing groove (22) and slide into to in slope spout (21), rack (51) can drive spring bolt (20) can be withdrawed in lock shell (10).
7. The manual unlocking mechanism according to claim 6, wherein: the toggle piece (30) is provided with an installation through hole (33), the installation shaft (11) is rotatably arranged in the installation through hole (33) in a penetrating manner, a first abutting part (331) and a second abutting part (332) are symmetrically arranged on the inner wall of the installation through hole (33), the installation shaft (11) is provided with a second toggle part (111) positioned between the first abutting part (331) and the second abutting part (332), a rotating space for rotating the second toggle part (111) is arranged between the first abutting part (331) and the second abutting part (332), and the installation shaft (11) can be rotated until the second toggle part (111) abuts against the first abutting part (331) or the second abutting part (332).
8. The manual unlocking mechanism according to claim 5, characterized in that: one of the lock tongue (20) and the rack (51) is provided with a first guide groove (24), and the other of the lock tongue (20) and the rack (51) is provided with a first guide part in sliding fit with the first guide groove (24).
9. The manual unlocking mechanism according to claim 1, characterized in that: one of the lock shell (10) and the bolt (20) is provided with a second guide groove (12), and the other of the lock shell (10) and the bolt (20) is provided with a second guide part in sliding fit with the second guide groove (12).
10. A door lock characterized by comprising the manual unlocking mechanism of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020128584.1U CN212054129U (en) | 2020-01-19 | 2020-01-19 | Manual unlocking mechanism and door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020128584.1U CN212054129U (en) | 2020-01-19 | 2020-01-19 | Manual unlocking mechanism and door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212054129U true CN212054129U (en) | 2020-12-01 |
Family
ID=73537152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020128584.1U Active CN212054129U (en) | 2020-01-19 | 2020-01-19 | Manual unlocking mechanism and door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212054129U (en) |
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2020
- 2020-01-19 CN CN202020128584.1U patent/CN212054129U/en active Active
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