CN221502966U - Novel mechanical interlocking door lock - Google Patents
Novel mechanical interlocking door lock Download PDFInfo
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- CN221502966U CN221502966U CN202323530131.4U CN202323530131U CN221502966U CN 221502966 U CN221502966 U CN 221502966U CN 202323530131 U CN202323530131 U CN 202323530131U CN 221502966 U CN221502966 U CN 221502966U
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- 239000011258 core-shell material Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a novel mechanical interlocking door lock which comprises a lock body, a lock core, a lock head and a key, wherein a lock plunger cavity, a lock head cavity and a lock core cavity are arranged in the lock body, two ends of the lock plunger cavity are respectively communicated with the lock head cavity and the lock core cavity, a lock plunger is arranged in the lock plunger cavity, the lock plunger can be driven to move in the lock plunger cavity through a rotating core, a rotating core head is arranged at the lower end of the rotating core, a core head cavity is arranged at the lower end of a lock core shell, the rotating core head is positioned in the core head cavity, a key head matched with the rotating core head in shape is arranged on the key, a plug matched with a plug hole is arranged on the lock head, and a second lock plunger hole matched with the lock plunger in the radial direction is arranged on the plug. The core head cavity and the limiting plate can protect the core head, other objects except a key can not be inserted into the core head, the core head is prevented from being driven to rotate by a tool, and unlocking with foreign matters is prevented.
Description
Technical Field
The utility model relates to the technical field of mechanical door locks, in particular to a novel mechanical interlocking door lock.
Background
Door locks are, as the name suggests, devices used to lock a door to prevent others from opening the door. The door locks are classified into a plurality of types, and the door locks are required to be different in various occasions, so that the common household antitheft door locks are high in safety and low in price.
The prior mechanical door lock in the market is easy to open by inserting foreign matters, has great potential safety hazard and causes economic loss for people.
Disclosure of utility model
The utility model aims to provide a novel mechanical interlocking door lock so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel mechanical interlocking door lock comprises a lock body, a lock cylinder, a lock head and a key, wherein a lock plunger cavity, a lock head cavity and a lock cylinder cavity are arranged in the lock body, and two ends of the lock plunger cavity are respectively communicated with the lock head cavity and the lock cylinder cavity;
The lock bolt cavity is internally provided with a lock bolt, the lock bolt is provided with a slide block groove at the position of the lock core cavity, a slide block is arranged in the slide block groove, one end of the slide block is fixedly connected with the slide block groove, the other end extends towards the radial direction of the lock bolt, and the lower end of the slide block, which is far away from one end of the lock bolt, is provided with a rotating shaft;
the lock cylinder is arranged in the lock core cavity and comprises a lock cylinder shell, a rotating core hole is formed in the middle of the lock cylinder shell, a rotating core is rotatably arranged in the rotating core hole, a spring pin hole is formed in the radial direction of the rotating core, a first spring is arranged in the spring pin hole, a spring pin is arranged at the outer end of the first spring, a spring pin sliding groove matched with the spring pin is formed in the lock cylinder shell, one end of the spring pin is located in the spring pin hole, and the other end of the spring pin is located in the spring pin sliding groove;
A rotating block is fixedly arranged at the upper end of the rotating core, one end of the rotating block is provided with a U-shaped opening matched with the rotating shaft, and the rotating shaft is positioned in the U-shaped opening;
the lower end of the rotary core is provided with a rotary core head, the lower end of the lock core shell is provided with a core head cavity, and the rotary core head is positioned in the core head cavity;
the key is provided with a key head matched with the shape of the rotary core head, and the rotary core head is positioned in the key head;
The lock head cavity is coaxially provided with a first stop block, the middle part of the upper end of the first stop block is provided with a plug hole, and the radial direction of the first stop block is provided with a first lock bolt hole matched with the lock bolt direction;
the lock head is provided with a plug matched with the plug hole, and a second lock bolt hole matched with the lock bolt in the radial direction of the plug is formed in the radial direction of the plug.
Preferably, the lower end of the plug is provided with a jacking block, the bottom of the plug hole is provided with a jacking block hole penetrating through the first stop block, and the jacking block is positioned in the jacking block hole.
Preferably, a second stop block is arranged below the first stop block, two sides of the upper end of the second stop block are provided with baffle plates, the outer diameter surface of the first stop block is provided with a baffle groove matched with the two baffle plates, and the baffle plates are displaced into the baffle groove.
Preferably, a sealing plate is fixedly arranged at the lower end of the lock head cavity, two groups of spring cavities are respectively arranged at the upper end of the sealing plate and the lower end of the first stop block, and a second spring is arranged in each spring cavity.
Preferably, a spring cavity is also arranged in the middle of the lower end of the second stop block, and a third spring is arranged in the spring cavity.
Preferably, the two ends of the spring pin sliding groove take the central line of the rotary core as the center to form an included angle of 90 degrees, and the spring pin sliding groove is arc-shaped.
Preferably, a bulge is arranged on one side of the key head, a limiting plate matched with the appearance of the key head is arranged at the bottom of the core head cavity, and a groove matched with the bulge is arranged on the limiting plate.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, a plug on a lock head is inserted into a lock head cavity, a top block penetrates through a top block hole on a first stop block to press down a second stop block, and meanwhile, the top block also presses down the first stop block to provide a space for a lock bolt to be inserted into a first lock bolt hole and a second lock bolt hole, at the moment, a key is turned, the key drives a rotary core to rotate, the rotary core drives the rotary block to rotate, a U-shaped opening arranged at one end of the rotary block drives a rotary shaft to rotate, the rotary shaft drives a sliding block to move, and the sliding block pushes the lock bolt to move in the lock bolt cavity to realize unlocking and locking; the core head cavity and the limiting plate can protect the core head, other objects except a key can not be inserted into the core head, the core head is prevented from being driven to rotate by a tool, and unlocking with foreign matters is prevented.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a second exploded view of the present utility model;
FIG. 4 is a cross-sectional view of the present utility model in a locked state;
FIG. 5 is a schematic view of the internal structure of the present utility model in a locked state;
fig. 6 is a schematic view of the structure of the lock cylinder housing of the present utility model.
In the figure: 1. a lock body; 11. a latch chamber; 12. a lock cavity; 13. a lock core cavity; 14. a lock bolt; 15. a slider groove; 16. a slide block; 17. a rotating shaft; 18. a first stopper; 19. a first latch hole; 110. a plug hole; 111. a top block hole; 112. a second stopper; 113. a baffle; 114. a blocking groove; 115. a sealing plate; 116. a second spring; 117. a third spring; 2. a lock core; 21. a lock cylinder housing; 22. a core rotating hole; 23. rotating the core; 24. a bullet pin hole; 25. a first spring; 26. a spring pin; 27. a spring pin chute; 28. a rotating block; 29. a U-shaped opening; 210. a core rotating head; 211. a core print cavity; 212. a limiting plate; 213. a groove; 3. a lock head; 31. a plug; 32. a second latch hole; 33. a top block; 4. a key; 41. a key head; 42. a protrusion.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: a novel mechanical interlocking door lock comprises a lock body 1, a lock cylinder 2, a lock head 3 and a key 4, wherein a lock plunger cavity 11, a lock head cavity 12 and a lock cylinder cavity 13 are arranged in the lock body 1, and two ends of the lock plunger cavity 11 are respectively communicated with the lock head cavity 12 and the lock cylinder cavity 13.
Wherein, the lock bolt cavity 11 is used for installing the lock bolt 14, the lock head cavity 12 is used for locking the lock head 3, and the lock core cavity 13 is used for installing the lock core 2.
The lock plunger cavity 11 is internally provided with a lock plunger 14, the lock plunger 14 is provided with a slide block groove 15 at the position of the lock plunger cavity 13, a slide block 16 is arranged in the slide block groove 15, one end of the slide block 16 is fixedly connected with the slide block groove 15, the other end extends towards the radial direction of the lock plunger 14, and the lower end of one end, far away from the lock plunger 14, of the slide block 16 is provided with a rotating shaft 17.
Wherein the slider groove 15 is used for installing the slider 16, the slider 16 is used for pushing the lock bolt 14 to move in the lock bolt cavity 14 to realize unlocking and locking, and the rotating shaft 17 is used for driving the slider 16 to move.
The lock cylinder 2 is arranged in the lock core cavity 13, the lock cylinder 2 comprises a lock cylinder shell 21, a rotating core hole 22 is formed in the middle of the lock cylinder shell 21, a rotating core 23 is rotationally arranged in the rotating core hole 22, a spring pin hole 24 is formed in the radial direction of the rotating core 23, a first spring 25 is arranged in the spring pin hole 24, a spring pin 26 is arranged at the outer end of the first spring 25, a spring pin sliding groove 27 matched with the spring pin 26 is formed in the lock cylinder shell 21, an included angle of 90 degrees is formed between two ends of the spring pin sliding groove 27 by taking the central line of the rotating core 23 as the center, the shape of the spring pin sliding groove 27 is circular arc, one end of the spring pin 26 is positioned in the spring pin hole 24, and the other end of the spring pin 26 is positioned in the spring pin sliding groove 27;
the upper end of the rotary core 23 is fixedly provided with a rotary block 28, one end of the rotary block 28 is provided with a U-shaped opening 29 matched with the rotary shaft 17, and the rotary shaft 17 is positioned in the U-shaped opening 29.
The lock core shell 21 is used for installing the rotary core 23, the rotary core 23 is used for driving the rotary block 28 to rotate, a U-shaped opening 29 arranged at one end of the rotary block 28 is used for driving the rotary shaft 17 to rotate, the spring pin 26 is arranged to slide in the spring pin sliding groove 27 for limiting the rotation angle of the rotary core 23, and the rotation angle of the rotary core 23 is limited to be 90 degrees.
The lower end of the rotary core 23 is provided with a rotary core head 210, the lower end of the lock core shell 21 is provided with a core head cavity 211, and the rotary core head 210 is positioned in the core head cavity 211;
The key 4 is provided with a key head 41 which is matched with the shape of the rotary core head 210, and the rotary core head 210 is positioned in the key head 41;
A protrusion 42 is arranged on one side of the key head 41, a limiting plate 212 matched with the shape of the key head 41 is arranged at the bottom of the core head cavity 211, and a groove 213 matched with the protrusion 42 is arranged on the limiting plate 212.
The core rotating head 210 is used for driving the core rotating 23 to rotate, the core rotating head cavity 211 is used for protecting the core rotating head 210, the core rotating head 210 is prevented from being driven to rotate by a tool, the key head 41 is used for driving the core rotating head 210 to drive the lock bolt 14 to move in the lock bolt cavity 14 to unlock and lock, the limiting plate 212 is used for preventing other objects except the key 4 from being inserted into the core rotating head 210, unlocking by foreign matters is prevented, the protrusion 42 can smoothly pass through the groove 213 after locking, the key 4 can be pulled out, the positions of the protrusion 42 and the groove 213 are staggered after locking, and the key 4 cannot be pulled out.
A first stop block 18 is coaxially arranged in the lock cavity 12, a plug hole 110 is formed in the middle of the upper end of the first stop block 18, and a first lock bolt hole 19 matched with the lock bolt 14 in the direction of the radial direction of the first stop block 18 is formed;
The lock head 3 is provided with a plug 31 matched with the plug hole 110, and the radial direction of the plug 31 is provided with a second lock bolt hole 32 matched with the lock bolt 14.
The lower end of the plug 31 is provided with a top block 33, the bottom of the plug hole 110 is provided with a top block hole 111 penetrating through the first stop block 18, and the top block 33 is positioned in the top block hole 111.
The lower part of the first stop block 18 is provided with a second stop block 112, two sides of the upper end of the second stop block 112 are provided with baffle plates 113, the outer diameter surface of the first stop block 18 is provided with baffle grooves 114 matched with the two baffle plates 113, and the baffle plates 113 are displaced into the baffle grooves 114.
A sealing plate 115 is fixedly arranged at the lower end of the lock cavity 12, two groups of spring cavities are respectively arranged at the upper end of the sealing plate 115 and the lower end of the first stop block 18, and a second spring 116 is arranged in each spring cavity.
A spring cavity is also arranged in the middle of the lower end of the second stop block 112, and a third spring 117 is arranged in the spring cavity.
Wherein, first lock bolt hole 19 and second lock bolt hole 32 are used for cooperating with lock bolt 14, and lock bolt 14 inserts inside first lock bolt hole 19 and second lock bolt hole 32 after closing the lock, and plug hole 110 is used for cooperating with plug 31, and inside plug 31 inserts plug hole 110 after closing the lock, second spring 116 makes first dog 18 can upper and lower elasticity float in tapered end chamber 12, and third spring 117 makes second dog 112 upper and lower elasticity float.
The working principle and the using flow of the utility model are as follows:
When the locking operation is carried out, the plug 31 on the lock head 3 is required to be inserted into the lock head cavity 12, the top block 33 penetrates through the top block hole 111 on the first stop block 18 to press down the second stop block 112, the top block 33 simultaneously presses down the first stop block 18 to provide a space for inserting the lock bolt 14 into the first lock bolt hole 19 and the second lock bolt hole 32, at the moment, the key 4 is turned, the key head 41 drives the core turning head 210 to rotate 90 degrees, the core turning head 210 drives the core 23 to rotate 90 degrees, meanwhile, the elastic pin 26 slides in the elastic pin sliding groove 27 and rotates 90 degrees, the core 23 drives the rotating block 28 to rotate, the U-shaped opening 29 arranged at one end of the rotating block 28 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives the sliding block 16 to move, the sliding block 16 pushes the lock bolt 14 to move in the lock bolt cavity 14 to the lock head cavity 11, the lock bolt 14 is inserted into the first lock bolt hole 19 and the second lock bolt hole 32, the plug 31 on the lock head 3 is locked on the lock body 1 at the moment, the protrusion 42 can smoothly pass through the groove 213, and thus 4 can be pulled out;
When the unlocking operation is performed, the key 4 is inserted to enable the key head 41 to be buckled on the core turning head 210, the key 4 is turned to drive the core turning head 210 to rotate, the lock bolt 14 is driven to retract, the first stop block 18 and the second stop block 112 are sprung, the lock head 3 is sprung, and at the moment, the positions of the protrusion 42 and the groove 213 are staggered, so that the key 4 cannot be pulled out.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a novel mechanical interlocking lock, includes lock body (1), lock core (2), tapered end (3) and key (4), its characterized in that: a lock plunger cavity (11), a lock head cavity (12) and a lock core cavity (13) are arranged in the lock body (1), and two ends of the lock plunger cavity (11) are respectively communicated with the lock head cavity (12) and the lock core cavity (13);
The lock comprises a lock plunger cavity (11), a lock plunger (14) is arranged in the lock plunger cavity (11), a slide block groove (15) is formed in the lock plunger (14) and located in a lock plunger cavity (13), a slide block (16) is arranged in the slide block groove (15), one end of the slide block (16) is fixedly connected with the slide block groove (15), the other end of the slide block extends towards the radial direction of the lock plunger (14), and a rotating shaft (17) is arranged at the lower end of one end, away from the lock plunger (14), of the slide block (16);
The lock cylinder (2) is arranged in the lock core cavity (13), the lock cylinder (2) comprises a lock cylinder shell (21), a rotating core hole (22) is formed in the middle of the lock cylinder shell (21), a rotating core (23) is rotationally arranged in the rotating core hole (22), a spring pin hole (24) is formed in the radial direction of the rotating core (23), a first spring (25) is arranged in the spring pin hole (24), a spring pin (26) is arranged at the outer end of the first spring (25), a spring pin sliding groove (27) matched with the spring pin (26) is formed in the lock cylinder shell (21), one end of the spring pin (26) is located in the spring pin hole (24), and the other end of the spring pin (26) is located in the spring pin sliding groove (27);
a rotating block (28) is fixedly arranged at the upper end of the rotating core (23), a U-shaped opening (29) matched with the rotating shaft (17) is formed in one end of the rotating block (28), and the rotating shaft (17) is positioned in the U-shaped opening (29);
The lower end of the rotary core (23) is provided with a rotary core head (210), the lower end of the lock core shell (21) is provided with a core head cavity (211), and the rotary core head (210) is positioned in the core head cavity (211);
The key (4) is provided with a key head (41) matched with the shape of the rotary core head (210), and the rotary core head (210) is positioned in the key head (41);
A first stop block (18) is coaxially arranged in the lock cavity (12), a plug hole (110) is formed in the middle of the upper end of the first stop block (18), and a first lock bolt hole (19) which is matched with the lock bolt (14) in the direction of the radial direction of the first stop block (18);
The lock head (3) is provided with a plug (31) matched with the plug hole (110), and a second lock bolt hole (32) matched with the lock bolt (14) in the radial direction of the plug (31).
2. The novel mechanical interlocking door lock according to claim 1, wherein: the plug (31) lower extreme is equipped with kicking block (33), plug hole (110) bottom is equipped with kicking block hole (111) that run through first dog (18), kicking block (33) are located kicking block hole (111).
3. The novel mechanical interlocking door lock according to claim 1, wherein: the novel anti-collision device is characterized in that a second stop block (112) is arranged below the first stop block (18), two sides of the upper end of the second stop block (112) are provided with baffle plates (113), the outer diameter surface of the first stop block (18) is provided with baffle grooves (114) matched with the two baffle plates (113), and the baffle plates (113) are arranged in the baffle grooves (114).
4. The novel mechanical interlocking door lock according to claim 1, wherein: the lock is characterized in that a sealing plate (115) is fixedly arranged at the lower end of the lock cavity (12), two groups of spring cavities are respectively arranged at the upper end of the sealing plate (115) and the lower end of the first stop block (18), and a second spring (116) is arranged in each spring cavity.
5. A novel mechanical interlocking door lock according to claim 3 and wherein: a spring cavity is also arranged in the middle of the lower end of the second stop block (112), and a third spring (117) is arranged in the spring cavity.
6. The novel mechanical interlocking door lock according to claim 1, wherein: the two ends of the spring pin sliding groove (27) take the central line of the rotary core (23) as the center to form an included angle of 90 degrees, and the spring pin sliding groove (27) is arc-shaped.
7. The novel mechanical interlocking door lock according to claim 1, wherein: the key is characterized in that a bulge (42) is arranged on one side of the key head (41), a limiting plate (212) matched with the appearance of the key head (41) is arranged at the bottom of the core head cavity (211), and a groove (213) matched with the bulge (42) is formed in the limiting plate (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323530131.4U CN221502966U (en) | 2023-12-25 | 2023-12-25 | Novel mechanical interlocking door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323530131.4U CN221502966U (en) | 2023-12-25 | 2023-12-25 | Novel mechanical interlocking door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221502966U true CN221502966U (en) | 2024-08-09 |
Family
ID=92125136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323530131.4U Active CN221502966U (en) | 2023-12-25 | 2023-12-25 | Novel mechanical interlocking door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221502966U (en) |
-
2023
- 2023-12-25 CN CN202323530131.4U patent/CN221502966U/en active Active
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