Electronic single-bolt door lock body

Abstract

The utility model discloses an electronic single-tongue door lock body, and relates to the technical field of door lock bodies, the electronic single-tongue door lock body comprises a lock plate, the right end of the lock plate is fixedly connected with a lock shell, the surface of the lock plate is provided with a lock tongue, the front side and the rear side of the surface of the lock shell are respectively provided with a square rod, and the right side of the interior of the lock shell is provided with a shifting block assembly. According to the electronic single-tongue door lock body, during unlocking, a push seat needs to be pushed to move through a motor push rod, so that the push seat pushes a movable frame to move, the two ends of a connecting pin rod are clamped into a first pin rod groove and a second pin rod groove, a front shifting plate and a rear shifting plate are connected, and when a connecting shifting block plate rotates, the front shifting plate and the rear shifting plate are synchronously driven to rotate, so that unlocking is achieved; and meanwhile, when the shifting block assembly resets and does not move, the back locking buckle and the limiting block achieve limiting, the connecting shifting plate cannot move towards the right side, back locking is achieved, and therefore personnel cannot prize the lock by prizing the spring bolt, and safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of door lock bodies, in particular to an electronic single-bolt door lock body. Background Art

[0002] Door locks are a common type of security equipment, which are used to lock doors to prevent others from opening the door. With the development of electronic machinery, electronic door locks are becoming more and more popular. Generally, electronic door locks have built-in electronic components that can be unlocked by password, fingerprint, etc., which is more convenient and safer.

[0003] The existing electronic single-tongue door lock body uses a motor to drive the lock core to rotate. The motor requires a large amount of energy. During frequent opening and closing, the power consumption is large, resulting in the need for frequent battery replacement. In addition, the conventional single-tongue door lock body lacks an anti-locking structure and has low security. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an electronic single-tongue door lock body, which solves the problems of high power consumption, resulting in the need for frequent battery replacement, and the lack of an anti-locking structure in conventional single-tongue door lock bodies, resulting in low security.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: an electronic single-bolt door lock body, including a lock plate, the right end of the lock plate is fixedly connected to a lock shell, a lock tongue is installed on the surface of the lock plate, square bars are arranged on the front and rear sides of the lock shell surface, a shift block assembly is arranged on the right side of the lock shell, a connecting shift plate is arranged at the upper end of the lock shell, an anti-lock assembly is arranged on the side of the connecting shift plate inside the lock shell, and a motor box is arranged at the lower end of the lock shell;

[0006] The shift block assembly comprises a connecting shift block plate, a front shift block and a rear shift block, the front and rear ends of the connecting shift block plate are respectively installed with the front shift block and the rear shift block, the surface of the connecting shift block plate is provided with a square through hole, the surfaces of the front shift block and the rear shift block are both provided with a rotating square hole, the rotating square hole is connected to the square through hole, the rotating square hole is adapted to the square rod, the outer side of the front shift block is provided with a front shift plate, and the outer side of the rear shift block is provided with a rear shift plate;

[0007] The anti-locking assembly includes a fixed plate and a movable plate, the rear end of the fixed plate is fixedly connected to the lock shell, the right end of the outer side of the movable plate is provided with an anti-locking buckle, the front end surface of the fixed plate is provided with a locking protrusion, and the rear end surface of the movable plate is provided with a locking bulge, the locking protrusion and the locking bulge are adapted to each other, there are two locking protrusions, and there are four locking bulges.

[0008] Preferably, the lock tongue and the lock plate are slidably connected, the left end of the lock tongue is designed in a trapezoidal structure, the right end of the lock tongue is fixedly connected to the left end of the connecting plate, and the connecting plate is designed in an L-shaped structure.

[0009] Preferably, the front end of the front shift block is rotatably connected to the front end of the lock shell, the rear end of the rear shift block is rotatably connected to the rear end of the lock shell, the outer side of the connecting shift block plate is slidably connected to a movable frame, the lower end of the movable frame is fixedly connected to a connecting pin rod, and the movable frame is designed as a rectangular structure.

[0010] Preferably, a pin rod groove 1 is provided on the lower end surface of the front paddle plate, and the lower end of the front paddle plate is fixedly connected to a connecting rod at the side of the pin rod groove 1; a pin rod groove 2 is provided on the lower end surface of the rear paddle plate, and the pin rod groove 1 and the pin rod groove 2 are respectively adapted to the front and rear ends of the connecting pin; a limiting slide groove is provided on the side of the surface of the rear paddle plate, and the rear end of the connecting rod extends into the limiting slide groove and is slidably connected to the limiting slide groove; a paddle head is provided at the upper end of the rear paddle plate, and a lap block is provided at the left end of the outer side of the rear paddle plate.

[0011] Preferably, a guide groove is provided at the upper end of the surface of the connecting plate, a socket head is provided at the right end of the connecting plate, a mounting column is slidably connected to the inner side of the guide groove, the front and rear ends of the mounting column are fixedly connected to the lock shell, the socket head is adapted to the toggle head, and a limiting block is provided on the side of the right end of the connecting plate.

[0012] Preferably, the upper end of the fixed plate is provided with the same mounting column, the movable plate and the mounting column are socketed, the front end of the movable plate and the lock shell are movably connected by a compression spring, the end of the anti-lock buckle away from the movable plate is designed as a hook-shaped structure, and is adapted to the limit block, the surface of the movable plate is provided with a lap joint on the side of the anti-lock buckle, and the lap joint and the lap block are fit-connected.

[0013] Preferably, a motor push rod is provided inside the motor box, and the output end of the motor push rod extends to the outside of the motor box and is fixedly connected to a push seat, the push seat and the lower end surface of the movable frame are fitted together, and the end of the push seat away from the motor push rod is designed as an arc structure.

[0014] Preferably, a position sensor is provided inside the lock housing below the shift block assembly, and the upper end of the position sensor is fitted and connected to the lower end surface of the rear shift plate.

[0015] Beneficial Effects

[0016] The utility model provides an electronic single-bolt door lock body. Compared with the prior art, it has the following beneficial effects:

[0017] 1. The electronic single-bolt door lock body is provided with a square rod, a shift block assembly, a connecting shift plate and a motor box, etc., and a lock handle is installed on the outer side of the square rod, so that when the lock handle is rotated, the shift block assembly is driven to rotate, and the connecting shift plate is driven to move by the shift head, thereby synchronously driving the lock tongue to move, and the front shift plate and the rear shift plate are not connected. When unlocking, it is necessary to push the push seat to move through the motor push rod, so that the push seat pushes the movable frame to move, and the two ends of the connecting pin rod are engaged into the pin rod groove 1 and the pin rod groove 2 to connect the front shift plate and the rear shift plate, and when the connecting shift block plate rotates, the front shift plate and the rear shift plate are synchronously driven to rotate to achieve unlocking, reduce the energy consumption required by the motor, and improve the endurance of the electronic door lock.

[0018] 2. The electronic single-tongue door lock body is provided with a rear shift plate, an anti-lock assembly and a position sensor. When the shift block assembly is reset and does not move, the anti-lock buckle and the limit block are limited, and the connecting shift plate cannot move to the right to achieve anti-locking, so that personnel cannot pry the lock by prying the lock tongue, thereby increasing safety. When unlocking, the rotation of the rear shift plate drives the overlap block to move, and the fit of the overlap block and the overlap joint pushes the overlap joint to move, so that the movable plate rotates with the mounting column as the axis. The anti-lock buckle and the limit block are misaligned, which does not affect normal unlocking. The movable plate and the fixed plate are positioned by the engagement of the locking convex point and the locking convex hull, thereby increasing stability. At the same time, the position sensor is adapted to detect the position of the rear shift plate, thereby realizing a double-layer anti-locking function and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 The internal three-dimensional structure of the lock housing of the utility model is shown in FIG. Figure 1 ;

[0021] Figure 3 The internal three-dimensional structure of the lock housing of the utility model is shown in FIG. Figure 2 ;

[0022] Figure 4 This is an exploded view of the structure of the shift block assembly of the utility model;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the front paddle and the rear paddle of the utility model;

[0024] Figure 6 It is a schematic diagram of a half-cut three-dimensional structure of a connecting block plate of the utility model;

[0025] Figure 7 It is a schematic diagram of the three-dimensional structure of the connecting plate of the utility model;

[0026] Figure 8 It is a schematic diagram of the three-dimensional structure of the fixed plate and the movable plate of the utility model.

[0027] In the figure: 1, lock plate; 2, lock shell; 3, lock tongue; 4, square rod; 5, shift block assembly; 51, connecting shift block plate; 511, movable frame; 512, connecting pin rod; 52, front shift block; 53, rear shift block; 54, square through hole; 55, rotating square hole; 56, front shift plate; 561, pin rod groove 1; 562, connecting rod; 57, rear shift plate; 571, pin rod groove 2; 572, limit slide groove; 57 3. Toggle head; 574. Overlap block; 6. Connecting plate; 61. Guide groove; 62. Socket head; 63. Limit block; 7. Anti-locking assembly; 71. Fixed plate; 72. Movable plate; 73. Anti-locking buckle; 74. Locking convex point; 75. Locking convex bump; 76. Compression spring; 77. Overlap joint; 8. Motor box; 81. Motor push rod; 82. Push seat; 9. Mounting column; 10. Position sensor. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-8The utility model provides a technical solution: an electronic single-bolt door lock body, including a lock plate 1, a lock shell 2 is fixedly connected to the right end of the lock plate 1, a lock tongue 3 is installed on the surface of the lock plate 1, square bars 4 are arranged on the front and rear sides of the surface of the lock shell 2, a shift block assembly 5 is arranged on the right side of the lock shell 2, and the shift block assembly 5 includes a connecting shift block plate 51, a front shift block 52 and a rear shift block 53. The front and rear ends of the connecting shift block plate 51 are respectively installed with the front shift block 52 and the rear shift block 53. The connecting shift block plate 51 A square through hole 54 is provided on the surface of the front shift block 52 and the rear shift block 53. A rotating square hole 55 is provided on the surface of the front shift block 52 and the rear shift block 53. The rotating square hole 55 is connected to the square through hole 54, and the rotating square hole 55 is adapted to the square rod 4. A front shift plate 56 is provided on the outer side of the front shift block 52, and a rear shift plate 57 is provided on the outer side of the rear shift block 53. The front end of the front shift block 52 is rotatably connected to the front end of the lock shell 2, and the rear end of the rear shift block 53 is rotatably connected to the rear end of the lock shell 2. The outer side of the connecting shift block plate 51 is slidably connected to the movable frame 51. 1. The lower end of the movable frame 511 is fixedly connected with a connecting pin 512. The movable frame 511 is designed in a rectangular structure. The lower end surface of the front shift plate 56 is provided with a pin groove 1 561. The lower end of the front shift plate 56 is located on the side of the pin groove 1 561 and is fixedly connected with a connecting rod 562. The lower end surface of the rear shift plate 57 is provided with a pin groove 2 571. The pin groove 1 561 and the pin groove 2 571 are respectively adapted to the front and rear ends of the connecting pin 512. The side of the surface of the rear shift plate 57 is provided with a limited sliding groove 5 72, the rear end of the connecting rod 562 extends into the limiting slide groove 572 and is slidably connected with the limiting slide groove 572, the upper end of the rear shift plate 57 is provided with a shift head 573, the left end of the outer side of the rear shift plate 57 is provided with a lap block 574, the lock core structure is a shift block assembly 5, so that the door handle is installed through the square rod 4, when the door handle is rotated, the square rod 4 drives the shift block assembly 5 to rotate to unlock, and the front shift plate 56 and the rear shift plate 57 are not directly connected, and need to be connected through the connecting pin 512;

[0030] A connecting plate 6 is provided at the upper end of the lock shell 2, a guide groove 61 is provided at the upper end of the surface of the connecting plate 6, a socket head 62 is provided at the right end of the connecting plate 6, a mounting column 9 is slidably connected to the inner side of the guide groove 61, the front and rear ends of the mounting column 9 are fixedly connected to the lock shell 2, the socket head 62 and the toggle head 573 are adapted, a limiting block 63 is provided on the side of the right end of the connecting plate 6, the lock tongue 3 and the lock plate 1 are slidably connected, the left end of the lock tongue 3 is designed in a trapezoidal structure, the right end of the lock tongue 3 is fixedly connected to the left end of the connecting plate 6, the connecting plate 6 is designed in an L-shaped structure, the rotation of the rear plate 57 drives the toggle head 573 to move, and fits with the socket head 62, and synchronously drives the socket head 62 to move, and at the same time, the limiting of the guide groove 61 and the mounting column 9 makes the connecting plate 6 move in parallel, driving the lock tongue 3 to move to the right to achieve unlocking;

[0031] When the locking cam 77 is in the state of being fully operative, the locking cam 74 is provided at the locking cam 75 of the locking cam 76 to stop the locking cam 76 from being operatively engaged with the locking cam 76. When the lock body 7 is in the unlock state, the locking cam 74 and the locking cam 75 are engaged, and the movable plate 72 is positioned against the surface of the fixed plate 71 by the locking convex point 74 and the locking convex bump 75. When the person unlocks the door by the handle, the rear plate 57 rotates, and the overlapping joint 77 is driven by the overlapping block 574 to move, driving the movable plate 72 to rotate. At the same time, when the movable plate 72 moves, the locking convex point 74 bulges in an arc shape, and the movable plate 72 squeezes the compression spring 76 to move forward a certain distance, while the anti-lock buckle 73 and the limiting block 63 are misaligned, which does not affect the movement of the locking tongue 3 driven by the connecting plate 6.

[0032] A motor box 8 is provided at the lower end of the lock shell 2, and a motor push rod 81 is provided inside the motor box 8. The output end of the motor push rod 81 extends to the outside of the motor box 8 and is fixedly connected with a push seat 82. The push seat 82 is fitted with the lower end surface of the movable frame 511, and the end of the push seat 82 away from the motor push rod 81 is designed in an arc-shaped structure. A position sensor 10 is provided inside the lock shell 2 below the shift block assembly 5. The upper end of the position sensor 10 is fitted with the lower end surface of the rear shift plate 57. When unlocking, the motor push rod 81 first pushes the push seat 82 to move, so that the push seat 82 pushes the movable frame 511 to move, and the two ends of the connecting pin 512 are engaged in the pin groove 1 561 and the pin groove 2 571 to connect the front shift plate 56 and the rear shift plate 57. When the connecting shift block plate 51 rotates, the front shift plate 56 and the rear shift plate 57 are synchronously driven to rotate to achieve unlocking.

[0033] When working, the door handle is installed through the square rod 4. When the door handle is rotated, the square rod 4 drives the dial block assembly 5 to rotate to unlock. During overall use, the electronic door lock needs to be sensed by a password, fingerprint, etc., and then the motor push rod 81 is used to push the push seat 82 to move, so that the push seat 82 pushes the movable frame 511 to move, and the two ends of the connecting pin 512 are engaged in the pin rod groove 1 561 and the pin rod groove 2 571 to connect the front dial plate 56 and the rear dial plate 57. When the connecting dial block plate 51 rotates, the front dial plate 56 and the rear dial plate 57 are driven to rotate synchronously. The rotation of the rear dial plate 57 drives the dial head 573 to move and fit with the socket head 62, and drives the socket head 62 to move synchronously. At the same time, the limit of the guide groove 61 and the installation column 9 makes the connecting dial plate 6 move in parallel, driving the lock tongue 3 to move to the right to achieve unlocking. At the same time, the internal anti-locking component 7 realizes the anti-locking function. When the lock body 72 is in the state of being moved, the locking cam 74 and the locking cam 75 are in the state of being moved forward, so that the locking cam 74 and the locking cam 75 are in the state of being moved forward, and the locking cam 74 and the locking cam 75 are in the state of being moved forward, so that the locking cam 74 and the locking cam 75 are in the state of being moved forward, and the locking cam 74 and the locking cam 75 are in the state of being moved forward, so that the

[0034] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. An electronic single-bolt door lock body, comprising a lock plate (1), characterized in that: The right end of the lock plate (1) is fixedly connected to a lock shell (2), a lock tongue (3) is installed on the surface of the lock plate (1), square bars (4) are arranged on both the front and rear sides of the surface of the lock shell (2), a shift block assembly (5) is arranged on the right side of the lock shell (2), a connecting shift plate (6) is arranged at the upper end of the lock shell (2), an anti-lock assembly (7) is arranged on the side of the connecting shift plate (6) inside the lock shell (2), and a motor box (8) is arranged at the lower end of the lock shell (2); The shift block assembly (5) comprises a connecting shift block plate (51), a front shift block (52) and a rear shift block (53); the front and rear ends of the connecting shift block plate (51) are respectively provided with the front shift block (52) and the rear shift block (53); a square through hole (54) is provided on the surface of the connecting shift block plate (51); a rotating square hole (55) is provided on the surface of the front shift block (52) and the rear shift block (53); the rotating square hole (55) and the square through hole (54) are connected; the rotating square hole (55) and the square rod (4) are adapted; a front shift plate (56) is provided on the outer side of the front shift block (52); and a rear shift plate (57) is provided on the outer side of the rear shift block (53); The anti-locking assembly (7) comprises a fixed plate (71) and a movable plate (72); the rear end of the fixed plate (71) is fixedly connected to the lock housing (2); the right end of the outer side of the movable plate (72) is provided with an anti-locking buckle (73); the front end surface of the fixed plate (71) is provided with a locking convex point (74); the rear end surface of the movable plate (72) is provided with a locking convex hull (75); the locking convex point (74) and the locking convex hull (75) are adapted to each other; two locking convex points (74) are provided, and four locking convex hulls (75) are provided.

2. The electronic single-bolt door lock body according to claim 1, characterized in that: The lock tongue (3) and the lock plate (1) are slidably connected, the left end of the lock tongue (3) is designed in a trapezoidal structure, the right end of the lock tongue (3) is fixedly connected to the left end of the connecting plate (6), and the connecting plate (6) is designed in an L-shaped structure.

3. The electronic single-bolt door lock body according to claim 1, characterized in that: The front end of the front shift block (52) is rotatably connected to the front end of the lock housing (2), the rear end of the rear shift block (53) is rotatably connected to the rear end of the lock housing (2), the outer side of the connecting shift block plate (51) is slidably connected to a movable frame (511), the lower end of the movable frame (511) is fixedly connected to a connecting pin rod (512), and the movable frame (511) is designed to be a rectangular structure.

4. The electronic single-bolt door lock body according to claim 3, characterized in that: The lower end surface of the front shift plate (56) is provided with a pin rod groove 1 (561), and the lower end of the front shift plate (56) is located on the side of the pin rod groove 1 (561) and is fixedly connected with a connecting rod (562). The lower end surface of the rear shift plate (57) is provided with a pin rod groove 2 (571), and the pin rod groove 1 (561) and the pin rod groove 2 (571) are respectively adapted to the front and rear ends of the connecting pin (512). A limiting sliding groove (572) is provided on the side of the surface of the rear shift plate (57), and the rear end of the connecting rod (562) extends into the limiting sliding groove (572) and is slidably connected to the limiting sliding groove (572). The upper end of the rear shift plate (57) is provided with a shifting head (573), and the left end of the outer side of the rear shift plate (57) is provided with a lap block (574).

5. The electronic single-bolt door lock body according to claim 4, characterized in that: A guide groove (61) is provided at the upper end of the surface of the connecting plate (6), a socket head (62) is provided at the right end of the connecting plate (6), a mounting column (9) is slidably connected to the inner side of the guide groove (61), the front and rear ends of the mounting column (9) are fixedly connected to the lock housing (2), the socket head (62) and the toggle head (573) are adapted, and a limit block (63) is provided on the side of the right end of the connecting plate (6).

6. The electronic single-bolt door lock body according to claim 5, characterized in that: The upper end of the fixed plate (71) is provided with the same mounting column (9), the movable plate (72) and the mounting column (9) are sleeved, the front end of the movable plate (72) and the lock shell (2) are movably connected via a compression spring (76), the end of the anti-lock buckle (73) away from the movable plate (72) is designed in a hook-shaped structure and is adapted to the limit block (63), the surface of the movable plate (72) is provided with a lap joint (77) on the side of the anti-lock buckle (73), and the lap joint (77) and the lap block (574) are closely connected.

7. The electronic single-bolt door lock body according to claim 6, characterized in that: A motor push rod (81) is arranged inside the motor box (8), and an output end of the motor push rod (81) extends to the outside of the motor box (8) and is fixedly connected to a push seat (82), the push seat (82) and the lower end surface of the movable frame (511) are in contact, and the end of the push seat (82) away from the motor push rod (81) is designed in an arc-shaped structure.

8. The electronic single-bolt door lock body according to claim 7, characterized in that: A position sensor (10) is arranged inside the lock housing (2) below the shift block assembly (5), and the upper end of the position sensor (10) is fitted and connected to the lower end surface of the rear shift plate (57).

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