A door padlock

Abstract

A door padlock includes: a lock shell assembly, which includes a front cavity and a rear cavity; a lock tongue assembly, which can be movably arranged in the rear cavity; a padlock matching component, which is arranged in the front cavity, and a padlock hole is opened on the padlock matching component; an unlocking hand component, which can be movably arranged in the front cavity, and the unlocking hand component has an unlocking position state and a locking position state; a reset component, which acts on the lock tongue assembly so that the lock tongue assembly always has a movement tendency to extend out of the rear cavity; the unlocking hand component has a limit stop section, an operating section and a driving unlocking section. The unlocking hand component of the utility model is a multifunctional integrated structural part, which has the functions of a movable plate and a hand in the prior art, has a higher degree of integration, and can ensure the consistency and synchronization of movement, can reduce the difficulty of production and assembly, and greatly reduce the damage to the unlocking hand component caused by forced pulling during locking.

Description

Technical Field

[0001] The utility model relates to the technical field of traditional mechanical lock products, in particular to a door padlock. Background Art

[0002] Padlocks are the oldest and largest family of locks in the world. It can be said that other locks are derived from padlocks. The lock body of a padlock is equipped with a ring-shaped or "I"-shaped metal stem, namely the "lock beam", which allows the padlock to be directly connected to the lock body through the lock beam to form a closed lock.

[0003] Door padlocks are used in conjunction with padlocks. They are small mechanical locks used on doors in places such as homes or offices, usually to increase the security of entrances. The main features of door padlocks include: Convenient to use: Door padlocks are simple in design and easy to install and use. You only need to lock or unlock a small knob or keyhole. Safe and reliable: They prevent unauthorized entry by physically blocking the door from opening. High-end door padlocks may be equipped with additional security features, such as anti-pry design, to increase security. Wide application: Door padlocks are suitable for many types of doors, including wooden doors, metal doors, etc., and can meet the needs of different scenarios. Moderate price: Compared with more complex locks, door padlocks are relatively low in price and suitable for use in homes or places with limited budgets. Easy to maintain: Door padlocks have low maintenance costs, and minor problems that occur during daily use are usually easy to solve.

[0004] Prior art example 1, referring to patent document CN218206215U, discloses a door padlock installation structure, including: a lock body, the edge of the lock body is provided with a plurality of baffles, the baffles abut against the outer wall of the door, the lock body is also provided with a plurality of clamping blocks, and a clamping portion is formed between the clamping blocks and the baffles; a clamping ring, which is clamped to the clamping portion and abuts against the inner wall of the door. In this application, a plurality of clamping blocks are provided on the lock body, the clamping ring is clamped with the lock body, the baffles abut against the outer wall of the door, and the clamping ring abuts against the inner wall of the door, so as to realize the installation of the door padlock. Example 1 is a relatively simple door padlock, which is essentially composed of a cam lock part and a door padlock shell (lock body). Its usage and function are almost the same as those of a traditional cam lock, and the door padlock shell (lock body) mainly plays a role in matching the installation. In summary, Example 1 has certain functional defects, such as poor security, the cam lock part is fixed and cannot be replaced, so once the unlocking key is obtained and copied by others, it can be opened by people other than the user, and the risk of theft is extremely high.

[0005] Prior art example 2, referring to patent document CN202420587912.2, discloses a buckle lock suitable for padlock, including a lock shell, which is provided with an operating space and a driving space that are interconnected; a padlock fixing plate, which is provided with a first lock hole; a padlock movable plate, which is provided with a second lock hole; the padlock movable plate can move relative to the lock shell so that the second lock hole and the first lock hole are aligned or misaligned with each other; when the second lock hole and the first lock hole are aligned with each other, the second lock hole and the first lock hole can be connected to the padlock; a lock tongue, which can extend forward or retract backward, and a linkage block is provided on the lock tongue, and a linkage groove is provided on the padlock movable plate, and the linkage block is inserted into the linkage groove; a buckle, which forms a rotational fit with the lock shell, and abuts against the lock tongue to form a transmission fit. The buckle lock of the utility model is safer when reused. When the previous user leaves, the padlock and the user tag are detached; the next user can bring a new padlock and user tag to re-match the buckle lock. Example 2 solves the safety issues in Example 1, but it also has certain defects, for example: 1. The fixed plate, movable plate, and hand grip slot are three separately formed parts, each with unique functions and cannot be replaced by each other. The structural integration is low, which increases the difficulty of processing and assembly; 2. There is a lack of limit stops on the structure at the hand grip slot. When the padlock is not unlocked, if a user pulls the hand grip slot, it is very easy to cause excessive force on the local structure and cause deformation or damage; 3. Common hand grips (hand grip slots) are all set laterally and are flipped along the vertical axis when in use. The installation direction and operation method are relatively simple, and cannot meet the needs of diverse usage environments. Summary of the invention

[0006] In order to overcome the above-mentioned deficiencies in the prior art, the utility model provides a door padlock with reasonable structural design, fewer parts and higher functional integration, which can ensure the consistency and synchronization of the movements of various parts, achieve smooth use effects, and greatly reduce the process difficulty of production and assembly.

[0007] The utility model solves the technical problem by providing a door padlock comprising:

[0008] A lock housing assembly, comprising a front cavity and a rear cavity;

[0009] A locking tongue assembly, which is movably disposed in the rear cavity;

[0010] A padlock matching component, which is arranged in the front cavity and has a padlock hole;

[0011] An unlocking handle component is movably disposed in the front cavity, and the unlocking handle component has at least an unlocking position state and a locking position state;

[0012] A reset member, which acts on the bolt assembly directly or indirectly, so that the bolt assembly always has a movement tendency to extend out of the rear cavity;

[0013] The unlocking handle component has a limit stop section, an operating section and a driving unlocking section;

[0014] When a padlock is inserted into the padlock hole and the unlocking handle component is in a locked position, the limit stop section forms a limit interference fit with the padlock to restrict the unlocking handle component from moving;

[0015] The operating section can respond to the user's unlocking action to switch from the locked position state to the unlocked position state;

[0016] The driving unlocking section can enter into the rear cavity and form a transmission cooperation with the locking tongue assembly to drive the locking tongue assembly to at least partially retract into the rear cavity.

[0017] The preferred structural scheme of the lock tongue assembly is that the lock tongue assembly includes a lock tongue body and a transmission block, and the drive unlocking section forms a transmission cooperation with the lock tongue body through the transmission block.

[0018] Further, the transmission block has a power input section and an inclined power output section;

[0019] Wherein, the driving unlocking section can offset the power input section;

[0020] A transmission groove is provided in the lock tongue body, and the transmission groove has an inclined force-bearing end surface adapted to the inclined power output section. The inclined power output section extends into the transmission groove, so that the inclined power output section abuts against the inclined force-bearing end surface and forms a transmission fit to drive the lock tongue body to move.

[0021] In order to avoid structural interference during use, the local structure adopted is set as follows: an opening is provided above the rear cavity, and at least part of the transmission block can extend out of the rear cavity through the opening.

[0022] The preferred structural scheme for the rear cavity is that the rear cavity includes a horizontal chamber and a vertical chamber that are interconnected and staggered, wherein the lock tongue body is arranged in the horizontal chamber and can only move along the horizontal direction, and the transmission block is arranged in the vertical chamber and can only move along the vertical direction.

[0023] Furthermore, a relief groove is recessed on the rear side wall of the vertical chamber, and when the unlocking handle component is moving, the driving unlocking section can enter the relief groove.

[0024] The preferred structural scheme for the unlocking handle component is that the unlocking handle component is provided with a rotating shaft, a rotating hole is opened in the front cavity, and the rotating shaft is inserted in the rotating hole, so that the unlocking handle component can rotate with the rotating shaft as the rotation center.

[0025] The preferred structural scheme for the lock shell assembly is that the lock shell assembly includes a front panel, a middle shell and a rear cover body, a front cavity is formed between the front panel and the middle shell, a rear cavity is formed between the middle shell and the rear cover body, and a through hole is opened on the middle shell, and the drive unlocking section can pass through the through hole into the rear cavity.

[0026] The preferred shape of the limit stop section is that the limit stop section has a through opening for the padlock mating component to pass through, and the limit stop section is in a "concave" shape so that the limit stop section is arranged around the peripheral side of the padlock mating component.

[0027] In the utility model, the reset component abuts between the lock tongue assembly and the inner wall of the rear chamber.

[0028] The beneficial effects of the utility model are:

[0029] 1. The unlocking handle component is a multifunctional integrated structural component, which has the functions of the movable plate and the handle in the prior art, has a higher degree of integration, and can ensure the consistency and synchronization of movement.

[0030] Second, since the number of parts is reduced, the difficulty of production and assembly can be reduced.

[0031] 3. When the padlock is not unlocked, an effective structural limit is formed on the unlocking handle component, which greatly reduces the damage to the unlocking handle component caused by forcibly pulling the handle when locking.

[0032] Fourth, the operating section can be arranged on the unlocking handle component in multiple directions, so that the installation direction and operation method of the door padlock are diversified to meet the needs of diverse usage environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural schematic diagram of the utility model (locked position state).

[0034] Figure 2 It is a cross-sectional schematic diagram of the utility model (locked position state).

[0035] Figure 3 It is a partial structural schematic diagram of the utility model (locked position state).

[0036] Figure 4 It is a structural schematic diagram of the utility model (unlocked position state).

[0037] Figure 5 It is a cross-sectional schematic diagram of the utility model (unlocked position state).

[0038] Figure 6 It is a partial structural schematic diagram of the utility model (unlocked position state).

[0039] Figure 7 It is a structural explosion diagram of the utility model.

[0040] Figure 8 It is a cross-sectional view of the lock housing assembly in the utility model.

[0041] Fig. 9 It is a structural explosion diagram of the lock housing assembly in the utility model.

[0042] Fig.10 It is a front structural schematic diagram of the unlocking handle component in the utility model.

[0043] Fig.11 It is a schematic diagram of the rear structure of the unlocking buckle handle component in the utility model.

[0044] Fig.12 It is a schematic diagram of the lower structure of the lock tongue body in the utility model.

[0045] Fig.13 It is a schematic diagram of the use of a door padlock combined with a padlock and an external lock.

[0046] In the figure: 1, lock housing assembly; 11, front panel; 12, middle housing; 13, rear cover; 1a, front cavity; 11a, rotation hole; 1b, rear cavity; 11b, horizontal cavity; 12b, vertical cavity; 14, opening; 15, avoidance groove; 16, through hole; 2, lock tongue assembly; 21, lock tongue body; 211, transmission groove; 2111, inclined force end surface; 22, transmission block; 221, power transmission 1. Entry section; 222. Tilt power output section; 3. Padlock matching component; 31. Padlock hole; 4. Unlocking hand buckle component; 4a. Unlocking position state; 4b. Locking position state; 41. Limit stop section; 411. Passing port; 42. Operation section; 421. Hand buckle slot; 43. Drive unlocking section; 44. Rotating shaft; 5. Reset component; 6. External locking body; 61. Lock tongue slot; 7. Padlock. DETAILED DESCRIPTION

[0047] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments are only specific descriptions of the present invention, and their purpose is to allow those skilled in the art to better understand the technical solution of the present invention, and should not be regarded as limiting the present invention.

[0048] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 cannot be understood as a limitation on the present invention.

[0049] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] Embodiment 1

[0051] Reference Figures 1 to 13 , a door padlock, comprising:

[0052] The lock housing assembly 1 includes a front cavity 1a and a rear cavity 1b. After installation, the front cavity 1a faces the user so that the user can operate the components in the front cavity 1a. The rear cavity 1b faces away from the user, providing a use space for the lock tongue assembly 2 therein and making the lock tongue assembly 2 not easily accessible to people, thereby providing a protective effect.

[0053] The bolt assembly 2 is movably disposed in the rear cavity 1b; it is mainly used to cooperate with the bolt groove 61 in the external locking body 6 (such as a door body, a cabinet body, etc.). When the bolt is in the bolt groove 61, it prevents the door padlock from being separated from the external locking body 6, thereby achieving an effective locking and anti-theft effect. It should be noted that the shape of the bolt assembly 2 is not particularly limited here;

[0054] The padlock matching component 3 is arranged in the front cavity 1a, preferably in an "L"-shaped rod shape, and a padlock hole 31 is provided on the padlock matching component 3. During use, the user needs to prepare a padlock 7 separately, and can select any padlock 7 and connect it to the padlock hole 31. The padlock matching component 3 does not limit the specific form of the padlock 7, so it can be used with different types of padlocks 7. When the first user leaves, his padlock 7 is removed, and the next user can use the padlock 7 prepared by himself, without replacing the entire door padlock, so as to ensure the safety of each user when using it;

[0055] The unlocking handle member 4 is movably disposed in the front cavity 1a, and the unlocking handle member 4 has at least an unlocking position state 4a and a locking position state 4b. More specifically, when the user pulls the unlocking handle member 4, the unlocking handle member 4 switches from the locking position state 4b to the unlocking position state 4a; after releasing the unlocking handle member 4, the unlocking handle member 4 can switch from the unlocking position state 4a to the locking position state 4b under the action of the reset force;

[0056] The reset member 5 acts on the lock tongue assembly 2 directly or indirectly so that the lock tongue assembly 2 always has a movement tendency to extend out of the rear cavity 1b. Preferably, the reset member 5 can also make the lock tongue assembly 2 always have a movement tendency to extend out of the rear cavity 1b.

[0057] It should be noted that the unlocking handle member 4 in this embodiment has a unique structure and function, specifically: Figure 10-11 The unlocking handle member 4 has a limit stop section 41, an operating section 42 and a driving unlocking section 43;

[0058] Among them, when the padlock 7 is inserted into the padlock hole 31 and the unlocking buckle handle member 4 is in the locked position state 4b, the limit stop section 41 forms a limit interference fit with the padlock 7 to limit the unlocking buckle handle member 4 from moving, thereby limiting the unlocking buckle handle member 4 from driving the lock tongue assembly 2, so that the lock tongue assembly 2 is continuously inserted into the lock tongue groove 61 of the external lock body 6, that is, it is continuously locked, that is, the limit brake section replaces the role of the movable plate in the prior art, and the padlock matching member 3 replaces the role of the fixed plate in the prior art;

[0059] The operating section 42 can respond to the user's unlocking action to switch from the locked position state 4b to the unlocked position state 4a, that is, the operating section 42 replaces the function of the hand buckle in the prior art. Preferably, a hand buckle groove 421 is provided in the operating section 42 to facilitate the user to insert his finger into it and operate;

[0060] The unlocking driving section 43 can enter the rear cavity 1b and form a transmission match with the bolt assembly 2 to drive the bolt assembly 2 to at least partially retract into the rear cavity 1b. Preferably, the unlocking driving section 43 is a triangular block to meet the structural requirements of space and use.

[0061] The above content is for this utility model, and its working principle is:

[0062] Lock position state 4b: refer to Figure 1 to Figure 3The lock tongue assembly 2 at least partially extends out of the rear cavity 1b and is in the lock tongue groove 61 of the external lock body 6. The reset assembly is in a naturally extended state. The padlock 7 is connected to the padlock hole 31 to restrict the movement of the unlocking handle component 4. The unlocking handle component 4 is in the locked position state 4b. At this time, the user will not be able to pull the unlocking handle component 4, and thus will not be able to drive the lock tongue assembly 2 to move through the unlocking handle component 4.

[0063] Unlocked position state 4a: refer to Figures 4 to 6 , first unlock and separate the padlock 7, so that the structural interference between the padlock 7 and the unlocking buckle member 4 is eliminated, and the user can pull the operating section 42 of the unlocking buckle member 4, so that the unlocking buckle member 4 switches to the unlocking position state 4a, and at the same time, the driving unlocking section 43 on the unlocking buckle member can enter the rear cavity 1b and contact and drive with the lock tongue assembly 2, so that the lock tongue assembly 2 is driven to at least partially retract into the rear cavity 1b, that is, the lock tongue assembly 2 is separated from the lock tongue groove 61 of the external lock body 6. At the same time, the lock tongue assembly 2 compresses the reset assembly, causing the reset assembly to deform and shrink, and accumulate reset force.

[0064] It is worth mentioning that in the above-mentioned structural scheme, the unlocking handle component 4 is an integrated structural component with multiple functions. First, it has the functions of the movable plate and the handle in the prior art, with higher integration and can ensure the consistency and synchronization of movement; second, since the number of parts is reduced, the difficulty of production and assembly can be reduced; third, when the padlock 7 is not unlocked, an effective structural limit is formed on the unlocking handle component 4, which greatly reduces the damage to the unlocking handle component 4 caused by forced pulling during locking; fourth, the operating section 42 can be set on the unlocking handle component 4 in multiple directions, so that the installation direction and operation method of the door padlock are diversified to meet the diverse usage environment requirements.

[0065] The preferred shape of the limit stop section 41 is that the limit stop section 41 has a through hole 411 for the padlock matching component 3 to pass through, so that when the padlock 7 is released, the unlocking handle component 4 can be turned over relative to the padlock matching component 3. In addition, the limit stop section 41 is in a "concave" shape, so that the limit stop section 41 is arranged around the peripheral side of the padlock matching component 3, so that padlocks 7 of various shapes and sizes can be matched with the limit stop section 41, and have a larger limit area. Once the padlock 7 is connected, the "concave"-shaped limit stop section 41 can form a structural interference with the padlock 7 to prevent the unlocking handle component 4 from turning over relative to the padlock matching component 3. It should be noted that the "concave"-shaped limit stop section 41 is preferably distributed on the left, right and lower sides of the padlock matching component 3, and the upper end of the padlock matching component 3 is connected to the inner wall of the front cavity 1a.

[0066] Embodiment 2

[0067] In this embodiment, a preferred structural scheme of the lock tongue assembly 2 is provided, specifically: Figure 3 , Figure 6 The lock tongue assembly 2 includes a lock tongue body 21 and a transmission block 22 , and the drive unlocking section 43 forms a transmission match with the lock tongue body 21 through the transmission block 22 .

[0068] Furthermore, the transmission block 22 has a power input section 221 and an inclined power output section 222; wherein the drive unlocking section 43 can be offset against the power input section 221, that is, the power transmission between the unlocking buckle member 4 and the transmission block 22 is realized. Fig.12 The lock tongue body 21 is provided with a transmission groove 211, and the transmission groove 211 has an inclined force-bearing end face 2111 adapted to the inclined power output section 222. The inclined power output section 222 extends into the transmission groove 211, so that the inclined power output section 222 and the inclined force-bearing end face 2111 abut against each other and form a transmission match to drive the lock tongue body 21 to move. Through the contact and match between the inclined power output section 222 and the inclined force-bearing end face 2111, the movement steering is realized (the transmission block 22 moves vertically and the lock tongue body 21 moves horizontally), and a larger contact force-bearing area is formed at the same time, so as to better transmit power from the transmission block 22 to the lock tongue body 21, and reduce resistance and power loss during the transmission process.

[0069] In order to avoid structural interference during use, the local structure adopted is set as follows: an opening 14 is provided above the rear cavity 1b, and the transmission block 22 can at least partially extend out of the rear cavity 1b through the opening 14 during the vertical movement.

[0070] In order to match the movement direction of the bolt body 21 and the transmission block 22, the preferred structural scheme of the rear cavity 1b is as follows: Figure 8-Figure 9 The rear cavity 1b includes a horizontal cavity 11b and a vertical cavity 12b which are interconnected and staggered, wherein the lock tongue body 21 is arranged in the horizontal cavity 11b and can only move in the horizontal direction, and the transmission block 22 is arranged in the vertical cavity 12b and can only move in the vertical direction.

[0071] Furthermore, a relief groove 15 is recessed on the rear side wall of the vertical chamber 12b, and the unlocking driving section 43 can enter the relief groove 15 during the movement (rotation) of the unlocking handle member 4. The setting of the relief groove 15 can eliminate the structural interference between the vertical chamber 12b and the unlocking handle member 4, thereby ensuring that the unlocking driving section 43 can move smoothly and realize the corresponding function.

[0072] Embodiment 3

[0073] The preferred structural scheme for the unlocking handle member 4 is that the unlocking handle member 4 has a rotating shaft 44, and a rotating hole 11a is provided in the front cavity 1a, and the rotating shaft 44 is inserted in the rotating hole 11a, so that the unlocking handle member 4 can rotate with the rotating shaft 44 as the rotation center. Through the cooperation of the rotating shaft 44 and the rotating hole 11a, the rotation effect of the unlocking handle member 4 relative to the lock shell assembly 1 can be achieved. It should be noted that the rotation mode is only the preferred activity mode of the unlocking handle member 4, and the unlocking handle member 4 can also be a horizontal movement, lifting and lowering activity mode, which is not specifically limited here.

[0074] Embodiment 4

[0075] Based on the structure of any of the above embodiments, this embodiment provides a preferred structural composition scheme of the lock housing assembly 1, which is as follows:

[0076] Reference Figure 7 to Figure 9 The lock housing assembly 1 includes a front panel 11, a middle housing 12 and a rear cover 13. A front cavity 1a is formed between the front panel 11 and the middle housing 12, and a rear cavity 1b is formed between the middle housing 12 and the rear cover 13. A through hole 16 is provided on the middle housing 12, and the drive unlocking section 43 can pass through the through hole 16 to enter the rear cavity 1b. The front panel 11, the middle housing 12 and the rear cover 13 can be assembled into one piece in sequence (screw fixing, buckle fixing, etc.), or they can be separated from each other.

[0077] During production and assembly, the bolt assembly 2 and the reset assembly are first installed on the rear cover 13, then the middle shell 12 is assembled with the rear cover 13, and then the unlocking handle member 4 is installed on the middle shell 12, and finally the front panel 11 is assembled with the middle shell 12 to obtain a complete door padlock product. The structural design is very reasonable, the assembly is convenient and quick, and the efficiency of production and assembly can be greatly improved.

[0078] Embodiment 5

[0079] In this embodiment, the reset member 5 is abutted between the bolt assembly 2 and the inner wall of the rear chamber. Figure 7 The reset member 5 is preferably a spring, and its reset action principle is: the user releases the force on the door padlock, the spring acts on the lock tongue body 21 in the lock tongue assembly 2, and pushes the lock tongue body 21 outward to reset; the lock tongue body 21 acts on the transmission block 22 or / and gravity acts on the transmission block 22, pushing the transmission block 22 downward to reset; the transmission block 22 presses against the driving unlocking section 43, so that the unlocking buckle handle member 4 rotates and resets as a whole.

[0080] It is worth noting that other technical solutions of the present invention belong to the prior art and will not be described in detail.

[0081] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the concept of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A door padlock comprising: A lock housing assembly (1), comprising a front cavity (1a) and a rear cavity (1b); A locking tongue assembly (2) movably disposed in the rear cavity (1b); A padlock matching component (3), which is arranged in the front cavity (1a), and a padlock hole (31) is provided on the padlock matching component (3); An unlocking handle component (4) is movably arranged in the front cavity (1a), and the unlocking handle component (4) has at least an unlocking position state (4a) and a locking position state (4b); A reset member (5) which acts directly or indirectly on the bolt assembly (2) so that the bolt assembly (2) always has a movement tendency to extend out of the rear cavity (1b); Features: The unlocking handle component (4) comprises a limit stop section (41), an operating section (42) and a driving unlocking section (43); When a padlock (7) is inserted into the padlock hole (31) and the unlocking handle component (4) is in a locked position state (4b), the position-limiting stop section (41) forms a position-limiting interference fit with the padlock (7) to restrict the unlocking handle component (4) from moving; The operating section (42) is capable of switching from a locked position state (4b) to an unlocked position state (4a) in response to an unlocking action of a user; The driving unlocking section (43) is capable of entering into the rear cavity (1b) and forming a transmission fit with the locking tongue assembly (2) to drive the locking tongue assembly (2) to at least partially retract into the rear cavity (1b).

2. The door padlock according to claim 1, characterized in that: The lock tongue assembly (2) comprises a lock tongue body (21) and a transmission block (22), and the drive unlocking section (43) forms a transmission match with the lock tongue body (21) through the transmission block (22).

3. The door padlock according to claim 2, characterized in that: The transmission block (22) has a power input section (221) and an inclined power output section (222); Wherein, the driving unlocking section (43) can offset the power input section (221); A transmission groove (211) is provided in the lock tongue body (21), and the transmission groove (211) has an inclined force-bearing end surface (2111) adapted to the inclined power output section (222), and the inclined power output section (222) extends into the transmission groove (211), so that the inclined power output section (222) and the inclined force-bearing end surface (2111) abut against each other and form a transmission fit, thereby driving the lock tongue body (21) to move.

4. The door padlock according to claim 3, characterized in that: An opening (14) is provided above the rear cavity (1b), and at least a portion of the transmission block (22) can extend out of the rear cavity (1b) through the opening (14).

5. The door padlock according to claim 3, characterized in that: The rear cavity (1b) comprises a horizontal cavity (11b) and a vertical cavity (12b) which are interconnected and staggered, wherein the lock tongue body (21) is arranged in the horizontal cavity (11b) and can only move in the horizontal direction, and the transmission block (22) is arranged in the vertical cavity (12b) and can only move in the vertical direction.

6. The door padlock according to claim 5, characterized in that: An escape groove (15) is recessed on the rear side wall of the vertical chamber (12b), and during the movement of the unlocking handle component (4), the driving unlocking section (43) can enter the escape groove (15).

7. The door padlock according to claim 1, characterized in that: The unlocking handle component (4) is provided with a rotating shaft (44), and a rotating hole (11a) is provided in the front cavity (1a). The rotating shaft (44) is inserted into the rotating hole (11a), so that the unlocking handle component (4) can rotate with the rotating shaft (44) as the rotation center.

8. The door padlock according to claim 1, characterized in that: The lock housing assembly (1) comprises a front panel (11), a middle housing (12) and a rear cover (13); a front cavity (1a) is formed between the front panel (11) and the middle housing (12); a rear cavity (1b) is formed between the middle housing (12) and the rear cover (13); and a through hole (16) is provided on the middle housing (12); the drive unlocking section (43) can pass through the through hole (16) and enter into the rear cavity (1b).

9. The door padlock according to claim 1, characterized in that: The position-limiting stop section (41) has a through opening (411) for the padlock matching component (3) to pass through, and the position-limiting stop section (41) is in a "concave" shape, so that the position-limiting stop section (41) is arranged around the peripheral side of the padlock matching component (3).

10. The door padlock according to any one of claims 1 to 9, characterized in that: The reset component (5) abuts between the locking tongue assembly (2) and the inner wall of the rear chamber.

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