CN213245311U - Quick opening and closing anti-theft door lock - Google Patents
Quick opening and closing anti-theft door lock Download PDFInfo
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- CN213245311U CN213245311U CN202021897746.4U CN202021897746U CN213245311U CN 213245311 U CN213245311 U CN 213245311U CN 202021897746 U CN202021897746 U CN 202021897746U CN 213245311 U CN213245311 U CN 213245311U
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Abstract
The utility model relates to a quick opening and closing anti-theft door lock, which comprises a lock body, a main spring bolt component and a handle core component; a limiting piece is arranged on one side of the main lock tongue assembly in the lock body, and when the main lock tongue assembly is in a locking state or an opening state, the limiting piece plays a locking role on the main lock tongue assembly and the main lock tongue driving piece; when the main lock tongue driving piece rotates to drive the main lock tongue assembly to slide so as to switch the main lock tongue assembly between a locking state and an opening state, the locking effect of the limiting piece on the main lock tongue assembly and the main lock tongue driving piece is relieved; the limiting part is connected with a first reset elastic part, and under the action of the first reset elastic part, the limiting part keeps the locking effect formed on the main lock tongue assembly and the main lock tongue driving part. Set up the locating part in the lock body, make main spring bolt subassembly more stable to the locking effect of main spring bolt subassembly and main spring bolt driving piece through the locating part. The structure of the utility model can be used for mechanical lock and also can be used for electric lock.
Description
Technical Field
The utility model relates to a fast open and close security door lock.
Background
In order to ensure safety and prevent thieves, a door lock is usually arranged on an outer door body, and is generally embedded in the door body, and a handle is arranged to be opened inside and outside the door body. A common lock on the existing market is equipped with main spring bolt and vice spring bolt, makes relatively fixed between the door body and the door frame through vice spring bolt that also is common oblique tongue, and vice spring bolt can all be opened to interior door handle and outer door handle, just also common square bolt and cylindrical spring bolt make the door body and door frame lock through main spring bolt, and vice spring bolt can't be opened to outer door handle. The transmission structure is added to the traditional door lock structure, the outer door handle capable of rotating in the opposite direction and the inner door handle capable of rotating in the opposite direction can be locked by the main bolt, the main bolt can be opened by normally rotating the inner door handle in a locking state, and the main bolt cannot be opened by normally rotating the outer door handle, so that quick opening and closing are realized. The main bolt of the anti-theft lock with quick opening and closing is generally kept at a locking position or an opening position through a torsion spring, and the main bolt can jump from the locking position to the opening position or from the opening position to the locking position under the knock of external force, so that the potential danger of instability exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects and the insufficiency of the prior art and providing a quick open/close anti-theft door lock.
The technical scheme adopted by the invention is as follows: a quick opening and closing anti-theft door lock comprises a lock body, a main bolt assembly and a handle core assembly;
the main lock tongue component is arranged in the lock body, and can slide relative to the lock body to have a locking state and an opening state;
handle core subassembly is gone up the cover and is equipped with main spring bolt driving piece, through the rotatable main spring bolt driving piece of handle core subassembly, be equipped with transmission assembly between main spring bolt driving piece and the main spring bolt subassembly, main spring bolt driving piece rotates and drives main spring bolt subassembly and slides and make main spring bolt subassembly switch between lock state and state of opening, one side of the inherent main spring bolt subassembly of lock body is equipped with the locating part, the locating part corresponds main spring bolt subassembly side position and forms the limiting plate to the direction arch of main spring bolt subassembly one side, the protruding locking piece that forms of main spring bolt subassembly side, be equipped with the guide wall on the locating part, be equipped with the gang pin on the main spring bolt driving piece, the gang pin is laminated with the guide wall, when main spring bolt subassembly is at lock state or state of opening, the limiting plate is located main spring bolt subassembly on the path of sliding that switches between lock state and the state of opening and the guide wall The limiting piece is used for locking the main lock tongue assembly and the main lock tongue driving piece on a rotating path of the linkage pin when the main lock tongue assembly is switched between a locking state and an opening state;
when the main lock tongue driving piece rotates to drive the main lock tongue assembly to slide so as to switch the main lock tongue assembly between a locking state and an opening state, the linkage pin slides along the guide wall to form thrust on the guide wall, so that the limiting piece can slide along the direction vertical to or inclined to the sliding direction of the main lock tongue assembly relative to the lock body, and the locking effect of the limiting piece on the main lock tongue assembly and the main lock tongue driving piece is relieved;
the limiting part is connected with a first reset elastic part, and under the action of the first reset elastic part, the limiting part keeps the locking effect formed on the main lock tongue assembly and the main lock tongue driving part.
The lock body is fixed with a first locating pin and a second locating pin, the locating part is provided with a first strip-shaped groove and a second strip-shaped groove, and the first locating pin and the second locating pin are respectively in plug-in fit with the first strip-shaped groove and the second strip-shaped groove to form a guiding and limiting effect on the locating part.
The first reset elastic piece is a torsion spring, the first reset elastic piece is sleeved on the second locating pin, and two ends of the first reset elastic piece are respectively abutted to the limiting plate and the inner wall of the lock body.
And a third strip-shaped groove is formed in the main spring bolt assembly, and the first positioning pin is in plug-in fit with the third strip-shaped groove.
The locating part slides along the direction perpendicular to the main bolt assembly sliding direction under the guiding and limiting effect.
The locating part is provided with a sliding groove, the linkage pin extends into the sliding groove, and the guide wall is close to or far away from the side wall on one side of the handle core assembly in the sliding groove.
The guide wall is the lateral wall of the interior nearly handle core subassembly one side of spout, handle core subassembly one side is kept away from to the limiting plate setting in the spout, first elastic component one end butt limiting plate that resets forms the thrust to keeping away from handle core subassembly one side to the limiting plate.
When main spring bolt driving piece rotates and drives main spring bolt subassembly and slide and make main spring bolt subassembly switch between lock-out condition and open mode, the linkage round pin forms the thrust to being close handle core subassembly direction to the guide wall, first elastic component that resets forms the effort to keeping away from handle core subassembly direction to the locating part.
The transmission assembly comprises a first connecting rod and a second connecting rod, the two ends of the first connecting rod are hinged to the main spring bolt driving piece and the second connecting rod respectively, the middle of the second connecting rod is hinged to the lock body through a third positioning pin, and the two ends of the second connecting rod are hinged to the first connecting rod and the main spring bolt assembly respectively.
And a second reset elastic piece is arranged between the third positioning pin and the main bolt assembly.
The utility model has the advantages as follows: set up the locating part in the lock body, make main spring bolt subassembly more stable to the locking effect of main spring bolt subassembly and main spring bolt driving piece through the locating part. The structure of the utility model can be used for mechanical lock and also can be used for electric lock.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and 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 obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a limiting member according to an embodiment of the present invention;
fig. 3 is a diagram illustrating a position relationship among the main bolt assembly, the main bolt driving member, and the position limiting member in an open state of the main bolt assembly according to an embodiment of the present invention;
fig. 4 (a) is a diagram illustrating a position relationship among the main bolt assembly, the main bolt driving member, and the position limiting member when the main bolt assembly is switched from the open state to the intermediate position of the locked state according to an embodiment of the present invention; (b) the position relation among the main spring bolt component, the main spring bolt driving piece and the limiting piece is realized when the main spring bolt component is in a locking state;
fig. 5 shows a position relationship among the main bolt assembly, the main bolt driving member, and the transmission assembly in an opened state of the main bolt assembly according to an embodiment of the present invention;
fig. 6 shows a positional relationship among the main bolt assembly, the main bolt driving member, and the transmission assembly in a state where the main bolt assembly is locked according to an embodiment of the present invention;
FIG. 7 is a schematic view of the configuration of the main bolt driver in cooperation with the handle core assembly;
in the figure, 1, a lock body; 101, a first locating pin; 102, a second positioning pin; 103, a third positioning pin; 2, a main bolt assembly; 201, a locking block; 202, a third strip-shaped groove; 3, a handle core assembly; 4, a main bolt driving piece; 401, a linkage pin; 402, a spacing post; 5, a limiting part; 501, limiting plates; 502, a guide wall; 503, a first bar-shaped groove; 504, a second strip-shaped groove; 505, a chute; 6, a first reset elastic piece; 7, a first connecting rod; 8, a second connecting rod; 9, a second reset elastic piece; 10, an auxiliary latch assembly; 11, an auxiliary lock tongue poking and picking component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be construed as limitations to the embodiments of the present invention, and the following embodiments do not describe the embodiments one by one.
The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.
As shown in fig. 1-4, a quick-opening/closing anti-theft door lock comprises a lock body 1, a main bolt assembly 2, a handle core assembly 3 and an auxiliary bolt assembly 10;
the main bolt assembly 2 is arranged in the lock body 1, and the main bolt assembly 2 can slide relative to the lock body 1 and has a locking state and an opening state;
the handle core assembly 3 is sleeved with a main bolt driving piece 4, the main bolt driving piece 4 can be rotated through the handle core assembly 3, a transmission assembly is arranged between the main bolt driving piece 4 and the main bolt assembly 2, the main bolt driving piece 4 rotates to drive the main bolt assembly 2 to slide so as to switch the main bolt assembly 2 between a locking state and an opening state, one side of the main bolt assembly 2 in the lock body 1 is provided with a limiting piece 5, as shown in figure 2, the limiting piece 5 protrudes towards the direction of one side of the main bolt assembly 2 corresponding to the side position of the main bolt assembly 2 to form a limiting plate 501, the side protrusion of the main bolt assembly 2 forms a locking block 201, the limiting piece 5 is provided with a guide wall 502, the main bolt driving piece 4 is provided with a linkage pin 401, the linkage pin 401 is attached to the guide wall 502, as shown in figures 3 and 4 (b), when the main bolt assembly 2 is in the locking state or the opening, the limiting plate 501 is located on a sliding path of the main bolt assembly 2 switched between the locking state and the opening state, and the part of the guide wall 502 is located on a rotating path of the linkage pin 401 when the main bolt driving piece 4 rotates to drive the main bolt assembly 2 to slide so that the main bolt assembly 2 is switched between the locking state and the opening state, so that the limiting piece 5 has a locking effect on the main bolt assembly 2 and the main bolt driving piece 4;
as shown in fig. 4 (a), when the main bolt driving member 4 rotates to drive the main bolt assembly 2 to slide, so that the main bolt assembly 2 is switched between the locked state and the unlocked state, the linkage pin 401 slides along the guide wall 502 to form a thrust force on the guide wall 502, so that the limiting member 5 can slide along a direction perpendicular to or oblique to the sliding direction of the main bolt assembly 2 relative to the lock body 1, and the locking effect of the limiting member 5 on the main bolt assembly 2 and the main bolt driving member 4 is released;
the limiting piece 5 is connected with a first reset elastic piece 6, and under the action of the first reset elastic piece 6, the limiting piece 5 keeps the locking effect formed on the main lock tongue assembly 2 and the main lock tongue driving piece 4.
The lock body 1 is fixed with a first positioning pin 101 and a second positioning pin 102, the limiting member 5 is provided with a first strip-shaped groove 503 and a second strip-shaped groove 504, and the first positioning pin 101 and the second positioning pin 102 are respectively in insertion fit with the first strip-shaped groove 503 and the second strip-shaped groove 504 to form a guiding and limiting effect on the limiting member 5.
The first reset elastic piece 6 is a torsion spring, the first reset elastic piece 6 is sleeved on the second positioning pin 102, and two ends of the first reset elastic piece 6 are respectively abutted against the limiting plate 501 and the inner wall of the lock body 1.
And a third strip-shaped groove 202 is formed in the main bolt assembly 2, and the first positioning pin 101 is in inserted connection and matching with the third strip-shaped groove 202. One end of the main bolt assembly 2 is limited in the lock hole of the lock body, and the main bolt assembly 2 is only displaced along the horizontal direction in the drawing by combining the matching of the first positioning pin 101 and the third strip-shaped groove 202.
The limiting part 5 slides along the direction perpendicular to the sliding direction of the main bolt assembly 2 under the guiding and limiting effect. The limiting part 5 can also slide along the direction inclined to the sliding direction of the main bolt assembly 2 under the guiding and limiting effect, so that the space of the limiting part 5 needing to slide is larger.
The limiting member 5 is provided with a sliding groove 505, the linkage pin 401 extends into the sliding groove 505, and the guide wall 502 is a side wall close to or far away from one side of the handle core assembly 3 in the sliding groove 505.
The guide wall 502 is the lateral wall that is close to handle core subassembly 3 one side in the spout 505, the limiting plate 501 sets up and keeps away from handle core subassembly 3 one side in the spout 505, the first elastic component that resets 6 one end butt limiting plate 501 forms the thrust to keeping away from handle core subassembly 3 one side to limiting plate 501.
When the main bolt driving piece 4 rotates to drive the main bolt assembly 2 to slide so that the main bolt assembly 2 is switched between a locking state and an opening state, the linkage pin 401 forms thrust towards the direction close to the handle core assembly 3 to the guide wall 502, and the first reset elastic piece 6 forms acting force towards the direction far away from the handle core assembly 3 to the limiting piece 5.
As shown in fig. 5 and 6, the transmission assembly includes a first connecting rod 7 and a second connecting rod 8, two ends of the first connecting rod 7 are respectively hinged to the main bolt driving member 4 and the second connecting rod 8, a middle portion of the second connecting rod 8 is hinged to the lock body 1 through a third positioning pin 103, and two ends of the second connecting rod are respectively hinged to the first connecting rod 7 and the main bolt assembly 2.
A second reset elastic part 9 is arranged between the third positioning pin 103 and the main bolt assembly 2, and the second reset elastic part 9 is a torsion spring.
The main bolt assembly 2 can be a square bolt structure as shown in the figure, and can also be a common cylindrical bolt structure.
The auxiliary lock tongue assembly 10 is of an inclined tongue structure, the auxiliary lock tongue poking assembly 11 is sleeved on the handle core assembly 3, and the auxiliary lock tongue assembly 10 is folded by rotating the auxiliary lock tongue poking assembly 11 through the handle core assembly 3. Vice spring bolt is dialled and is chosen subassembly 11 and be equipped with two sets ofly and set up respectively in the upper and lower both sides of main spring bolt driving piece 43, and vice spring bolt is dialled and is chosen subassembly 11 and handle core subassembly 3 and can rotate alone, and handle core subassembly 3 includes that 3 can rotate respectively, dials with two sets of vice spring bolts respectively and chooses subassembly 11 and main spring bolt driving piece 4 cooperation, and the inboard vice spring bolt of interior door handle drive is dialled and is chosen the rotation piece in subassembly 11 and the rotation piece in the main spring bolt driving piece 4.
As shown in fig. 7, the main bolt driving member 4 can rotate at a small angle relative to the handle core assembly 3, the main bolt driving member 4 is provided with a limiting column 402, which is matched with a groove on the auxiliary bolt assembly 10, as shown in fig. 4, the inner door handle is rotated (i.e. the handle is pulled upwards), the main bolt driving member 4 and the auxiliary bolt assembly 10 rotate counterclockwise, when the main bolt driving member 4 rotates to the position shown in fig. 5, the main bolt driving member 4 and the auxiliary bolt assembly 10 are kept immovable under the action of the first restoring elastic member 6 and the second restoring elastic member 9, and at this time, the auxiliary bolt picking assembly 11 and the handle core assembly 3 can rotate back to the original position; at this time, when the inner door handle 3 is rotated (i.e., the handle is pulled downward), the main latch driving member 4 and the auxiliary latch assembly 10 are instantaneously rotated, and when the main latch driving member 4 is rotated to the position shown in fig. 4, the main latch driving member and the auxiliary latch assembly are kept still by the first restoring elastic member 6 and the second restoring elastic member 9, and at this time, the auxiliary latch picking assembly 11 and the handle core assembly 3 may be rotated back to the original position.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. A quick opening and closing anti-theft door lock comprises a lock body (1), a main bolt assembly (2) and a handle core assembly (3);
the main bolt assembly (2) is arranged in the lock body (1), and the main bolt assembly (2) can slide relative to the lock body (1) and has a locking state and an opening state;
the cover is equipped with main spring bolt driving piece (4) on handle core subassembly (3), through the rotatable main spring bolt driving piece (4) of handle core subassembly (3), be equipped with the transmission assembly between main spring bolt driving piece (4) and main spring bolt subassembly (2), main spring bolt driving piece (4) rotate and drive main spring bolt subassembly (2) and slide and make main spring bolt subassembly (2) switch its characterized in that between lock-out state and the state of opening:
one side of lock body (1) inherent main spring bolt subassembly (2) is equipped with locating part (5), locating part (5) correspond main spring bolt subassembly (2) side position and form limiting plate (501) to the direction arch of main spring bolt subassembly (2) one side, main spring bolt subassembly (2) side is protruding to form locking piece (201), be equipped with guide wall (502) on locating part (5), be equipped with linkage round pin (401) on main spring bolt driving piece (4), linkage round pin (401) and guide wall (502) laminating, when main spring bolt subassembly (2) is at the locking state or when opening the state, limiting plate (501) are located main spring bolt subassembly (2) on the slip route of switching between locking state and the state of opening and guide wall (502) part is located main spring bolt driving piece (4) rotate to drive main spring bolt subassembly (2) and slide and make main spring bolt subassembly (2) the rotation way of linkage round pin (401) when switching between locking state and the state of opening the state In the radial direction, the limiting piece (5) has a locking effect on the main bolt assembly (2) and the main bolt driving piece (4);
when the main bolt driving piece (4) rotates to drive the main bolt assembly (2) to slide so that the main bolt assembly (2) is switched between a locking state and an opening state, the linkage pin (401) slides along the guide wall (502) to form thrust on the guide wall (502) so that the limiting piece (5) can slide along the direction vertical to or inclined to the sliding direction of the main bolt assembly (2) relative to the lock body (1), and the locking effect of the limiting piece (5) on the main bolt assembly (2) and the main bolt driving piece (4) is relieved;
the limiting piece (5) is connected with a first reset elastic piece (6), and under the action of the first reset elastic piece (6), the limiting piece (5) keeps the locking effect formed on the main bolt assembly (2) and the main bolt driving piece (4).
2. The quick opening and closing security door lock according to claim 1, characterized in that: the lock body (1) is fixedly provided with a first positioning pin (101) and a second positioning pin (102), the limiting part (5) is provided with a first strip-shaped groove (503) and a second strip-shaped groove (504), and the first positioning pin (101) and the second positioning pin (102) are respectively in plug-in fit with the first strip-shaped groove (503) and the second strip-shaped groove (504) to form a guiding and limiting effect on the limiting part (5).
3. The quick opening and closing security door lock according to claim 2, characterized in that: the first reset elastic piece (6) is a torsion spring, the second positioning pin (102) is sleeved with the first reset elastic piece (6), and two ends of the first reset elastic piece are respectively abutted to the limiting plate (501) and the inner wall of the lock body (1).
4. The quick opening and closing security door lock according to claim 2, characterized in that: the main bolt assembly (2) is provided with a third strip-shaped groove (202), and the first positioning pin (101) is in plug-in fit with the third strip-shaped groove (202).
5. The quick opening and closing security door lock according to claim 2, characterized in that: the limiting part (5) slides along the sliding direction perpendicular to the main bolt assembly (2) under the guiding and limiting effect.
6. The quick opening and closing security door lock according to claim 1, characterized in that: be equipped with spout (505) on locating part (5), linkage pin (401) stretch into in spout (505), guide wall (502) are for being close in spout (505) or keeping away from the lateral wall of handle core subassembly (3) one side.
7. The quick opening and closing security door lock according to claim 6, characterized in that: guide wall (502) are the lateral wall of spout (505) interior near handle core subassembly (3) one side, handle core subassembly (3) one side is kept away from in spout (505) to limiting plate (501) setting, first elastic component (6) one end butt limiting plate (501) that resets forms the thrust to keeping away from handle core subassembly (3) one side to limiting plate (501).
8. The quick opening and closing antitheft door lock according to any one of claims 1 to 6, characterized in that: when main spring bolt driving piece (4) rotate and drive main spring bolt subassembly (2) and slide and make main spring bolt subassembly (2) switch between lock state and open mode, linkage round pin (401) form the thrust to being close handle core subassembly (3) direction to guide wall (502), first elastic component (6) that reset form the effort to keeping away from handle core subassembly (3) direction to locating part (5).
9. The quick opening and closing security door lock according to claim 1, characterized in that: the transmission assembly comprises a first connecting rod (7) and a second connecting rod (8), the two ends of the first connecting rod (7) are hinged to the main bolt driving piece (4) and the second connecting rod (8) respectively, the middle of the second connecting rod (8) is hinged to the lock body (1) through a third positioning pin (103), and the two ends of the second connecting rod are hinged to the first connecting rod (7) and the main bolt assembly (2) respectively.
10. The quick opening and closing security door lock according to claim 9, characterized in that: and a second reset elastic piece (9) is arranged between the third positioning pin (103) and the main bolt assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021897746.4U CN213245311U (en) | 2020-09-02 | 2020-09-02 | Quick opening and closing anti-theft door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021897746.4U CN213245311U (en) | 2020-09-02 | 2020-09-02 | Quick opening and closing anti-theft door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213245311U true CN213245311U (en) | 2021-05-21 |
Family
ID=75905944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021897746.4U Active CN213245311U (en) | 2020-09-02 | 2020-09-02 | Quick opening and closing anti-theft door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213245311U (en) |
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2020
- 2020-09-02 CN CN202021897746.4U patent/CN213245311U/en active Active
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