Double-hook door lock with waterproof function

Abstract

The utility model discloses a double-hook door lock with a waterproof function, which comprises an inner shell, the inner shell is provided with a waterproof cavity and a lock hook mounting cavity, a gear set and a motor are arranged in the waterproof cavity, an output shaft of the motor is provided with a worm, the motor drives the gear set through the worm, and the lock hook mounting cavity is arranged in the gear set. A left lock hook, a right lock hook, a transmission gear and an output gear are arranged in the lock hook mounting cavity, the transmission gear is meshed with the output gear, and a lock hook push block is arranged on one side of the transmission gear; the lock has the functions of electrically opening and closing the lock and manually opening and closing the lock, the two lock hooks are in linkage, the two lock hooks are provided with the elastic push blocks and the limiting shafts respectively, the two lock hooks can be positioned through the limiting shafts in the unlocking state and the locking state, and the stability of the lock hooks in the locking state and the unlocking state can be improved. According to the utility model, the waterproof cavity is arranged, and the motor, the gear set and the PCB are all arranged in the waterproof cavity, so that moisture can be prevented from entering the cavity to damage the circuit performance.

Description

Technical Field

[0001] The utility model relates to a door lock, in particular to a double-hook door lock with a waterproof function. Background Art

[0002] At present, the existing double-hook door locks generally have only one way of unlocking and locking, that is, using a key to switch the lock. By turning the key to rotate the lock core, the lock core drives two lock hooks to rotate through a connecting rod structure, so that the lock hooks extend or retract from the lock shell. This kind of double-hook door lock has a single way of unlocking and locking, without the function of electric unlocking and locking, and has a low degree of intelligence. Summary of the Invention

[0003] In order to overcome the disadvantages and deficiencies existing in the prior art, the purpose of the utility model is to provide a double-hook door lock with a waterproof function.

[0004] The purpose of the utility model is achieved by the following technical solutions: A double-hook door lock with a waterproof function includes an inner housing, the inner housing has a waterproof cavity and a lock hook installation cavity, a gear set and a motor are arranged in the waterproof cavity, a worm is arranged on the output shaft of the motor, the motor drives the gear set through the worm, a left lock hook, a right lock hook, a transmission gear and an output gear are arranged in the lock hook installation cavity, the transmission gear meshes with the output gear, and a lock hook push block is arranged on one side of the transmission gear; the electric control part is accommodated in the waterproof cavity, which can prevent water vapor from entering the waterproof cavity and can improve the service life of the electric control parts.

[0005] The left lock hook and the right lock hook are arranged in a mirror image, the left lock hook and the right lock hook are linked by a connecting rod, push block installation grooves are arranged on both the left lock hook and the right lock hook, push blocks are arranged in the push block installation grooves, and limit shafts are arranged on the push blocks;

[0006] When locking, the motor drives the transmission gear and the output gear to rotate through the gear set, the rotation of the transmission gear drives the lock hook push block to swing, the lock hook push block pushes the push block to move along one end of the push block installation groove, the limit shaft cancels the rotation limit of the right lock hook, the right lock hook is pushed by the lock hook push block to rotate, and the left lock hook is driven to rotate while the right lock hook rotates.

[0007] As an improvement of the double-hook door lock with a waterproof function of the utility model, one end of the push block is provided with a push block spring, the other end of the push block spring abuts against the bottom of the push block installation groove, the other end of the push block is provided with a push block displacement limit hole, a positioning shaft is arranged in the push block displacement limit hole, and one end of the positioning shaft is fixed on the side wall of the inner housing; both the left lock hook and the right lock hook rotate with the positioning shaft as the fulcrum.

[0008] As an improvement of the double-hook door lock with waterproof function of the present utility model, an arc-shaped guiding groove is provided on the side wall of the lock hook installation cavity corresponding to the position of the limiting shaft of the left lock hook. One end of the limiting shaft of the left lock hook is embedded in the arc-shaped guiding groove. A limiting guiding groove is provided on the side wall of the lock hook installation cavity corresponding to the position of the limiting shaft of the right lock hook. The upper end of the limiting guiding groove is provided with a locking limiting groove, and the lower end is provided with an unlocking limiting groove;

[0009] When the right lock hook is in the unlocking state, the limiting shaft on the right lock hook abuts against the unlocking limiting groove;

[0010] When the right lock hook is in the locking state, the limiting shaft on the right lock hook abuts against the locking limiting groove.

[0011] As an improvement of the double-hook door lock with waterproof function of the present utility model, a lock hook protruding hole is provided on one side of the inner housing. A hook portion is provided on both the left lock hook and the right lock hook. When the left lock hook and the right lock hook are in the unlocking state, the hook portion protrudes from the lock hook protruding hole.

[0012] As an improvement of the double-hook door lock with waterproof function of the present utility model, a key insertion seat is provided in the middle of one end of the transmission gear. A key hole is provided on the key insertion seat. When the transmission gear is rotated by a key, the left lock hook and the right lock hook can be driven to rotate. The present utility model can realize electric unlocking and locking and manual unlocking and locking. When manually unlocking and locking, neither of the two clutch gears of the gear set will mesh with the third gear. When the transmission gear is rotated by a key, the self-locking function of the motor will not limit its rotation, achieving the purpose of manual unlocking.

[0013] As an improvement of the double-hook door lock with waterproof function of the present utility model, an annular groove is provided at the edge of the waterproof cavity. A sealing ring is provided in the annular groove. A sealing cover plate is covered on the waterproof cavity. The sealing cover plate is fixed on the inner housing by screws and can squeeze the sealing ring;

[0014] A connection hole is provided at one end of the inner housing. The connection hole communicates with the waterproof cavity. A waterproof joint is provided in the connection hole. The leads of the PCB board and the motor both pass through the waterproof joint. The leads of the PCB board and the motor are both electrically connected to the control panel. A fingerprint recognition module, a digital touch screen, a face recognition module, etc. can be set on the control panel to control the working state of the motor.

[0015] As an improvement of the double-hook door lock with waterproof function of the present utility model, a PCB board installation bin is further provided in the waterproof cavity. Card slots are provided on two corresponding side walls of the PCB board installation bin, and the PCB board is snapped into the PCB board installation bin through the card slots. A Hall switch and a reed switch electrically connected to the PCB board are provided on the PCB board. A first induction magnet is provided on the side wall of the transmission gear. The first induction magnet senses with the Hall switch and disconnects the control circuit in the PCB board, and the motor then stops the rotation control of the left lock hook and the right lock hook.

[0016] As an improvement of the double-hook door lock with waterproof function of the present utility model, it further includes a latch plate. A second induction magnet is provided on the latch plate. The second induction magnet senses with the reed switch and conducts the control circuit in the PCB board, and the motor starts to control the rotation of the left lock hook and the right lock hook to lock. When the second induction magnet on the latch plate senses with the reed switch and conducts the control circuit in the PCB board, the function of automatic locking can be realized.

[0017] As an improvement of the double-hook door lock with waterproof function of the present utility model, it further includes an outer housing and a mounting side plate. The mounting side plate is fixedly connected to one side of the outer housing. The inner housing is accommodated in the outer housing. The latch plate is correspondingly mounted with the mounting side plate. Two lock hook holes are provided on the mounting side plate, and a lock hook connection hole is provided on the latch plate. Keyholes are provided on one side of both the outer housing and the inner housing.

[0018] As an improvement of the double-hook door lock with waterproof function of the present utility model, the gear set includes a first gear pair, a second gear pair, a clutch gear set and a third gear. The first gear pair meshes and drives with the worm. The second gear pair meshes and drives with the first gear pair. The gear shaft of the third gear extends out of the waterproof cavity and is connected to the output gear. A shaft through hole is provided in the waterproof cavity corresponding to the position of the gear shaft of the third gear, and a waterproof gasket is provided in the shaft through hole;

[0019] The clutch gear set includes a clutch drive gear, a second gear shaft, and a clutch bracket movably sleeved on the second gear shaft. The second gear shaft is fixedly connected to the clutch drive gear. A first clutch gear, a second clutch gear and a clutch driving gear are provided on the clutch bracket. The clutch driving gear meshes and drives with the first clutch gear and the second clutch gear respectively. The clutch driving gear is connected to the second gear shaft;

[0020] When locking, the first clutch gear meshes and drives with the third gear. The rotation of the third gear can drive the rotation of the output gear. The rotation of the output gear can drive the rotation of the transmission gear. The rotation of the transmission gear can push the lock hook to rotate.

[0021] When unlocking, the second clutch gear meshes with the third gear for transmission, the rotation of the third gear can drive the output gear to rotate, the rotation of the output gear can drive the transmission gear to rotate, and the rotation of the transmission gear can drive the lock hook to rotate.

[0022] The beneficial effects of the utility model are as follows: the utility model has the functions of an electric switch lock and a manual switch lock, the double lock hooks are linked, and both lock hooks are provided with elastic push blocks and limit shafts. The two lock hooks can be positioned by the limit shafts in the unlocked and locked states, which can improve the stability of the lock hooks in the locked and unlocked states. The utility model is provided with a waterproof cavity, and the motor, gear set and PCB board are all arranged in the waterproof cavity, which can prevent moisture from entering the cavity to damage the circuit performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional diagram of the utility model;

[0024] Figure 2 It is an exploded schematic diagram of the utility model;

[0025] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0026] Figure 4 It is a schematic diagram of the structure of the utility model after removing the outer shell;

[0027] Figure 5 It is a schematic diagram of the inner shell structure of the utility model;

[0028] Figure 6 This is the front view of the utility model after removing the inner shell;

[0029] Figure 7 It is a structural schematic diagram of the clutch gear set of the utility model;

[0030] The reference numerals are: 1, inner housing; 2, waterproof cavity; 3, latch mounting cavity; 4, gear set; 5, motor; 6, worm; 7, left latch; 8, right latch; 9, drive gear; 10, output gear; 11, latch push block; 12, connecting rod; 13, push block mounting groove; 14, push block; 15, limit shaft; 16, push block spring; 17, push block displacement limit hole; 18, positioning shaft; 19, arc-shaped guide groove; 20, limit guide groove; 21, latch extension hole; 22, hook portion; 23, annular groove; 24, sealing ring; 25, sealing cover plate; 26, connecting hole; 27, waterproof joint; 28, first induction magnet; 29, latch plate; 30, second induction magnet; 31, outer housing; 32, mounting side plate; 33, latch hole; 34, latch connection hole; 35, keyhole; 201, upper lock limit groove; 202, unlock limit groove; 203, PCB board mounting bin; 204, PCB board; 205, Hall switch; 41, first gear pair; 42, second gear pair; 43, clutch gear set; 44, third gear; 45, waterproof gasket; 91, key insertion socket; 92, keyhole; 431, clutch drive gear; 432, second gear shaft; 433, clutch bracket; 434, first clutch gear; 435, second clutch gear; 436, clutch drive gear. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, the descriptions involving "first", "second", etc. in the present invention are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0034] As Figures 1 - 7 shown, a double - hook door lock with a waterproof function includes an inner housing 1. The inner housing 1 has a waterproof cavity 2 and a lock - hook installation cavity 3. A gear set 4 and a motor 5 are arranged in the waterproof cavity 2. A worm 6 is provided on the output shaft of the motor 5. The motor 5 drives the gear set 4 through the worm 6. A left lock hook 7, a right lock hook 8, a transmission gear 9 and an output gear 10 are arranged in the lock - hook installation cavity 3. The transmission gear 9 and the output gear 10 are meshed. A lock - hook push block 11 is arranged on one side of the transmission gear 9. The electric control part is accommodated in the waterproof cavity 2, which can prevent water vapor from entering the waterproof cavity 2 and can improve the service life of the electric control parts.

[0035] The left lock hook 7 and the right lock hook 8 are arranged in a mirror image. The left lock hook 7 and the right lock hook 8 are linked by a connecting rod 12. Push - block installation grooves 13 are provided on both the left lock hook 7 and the right lock hook 8. Push blocks 14 are arranged in the push - block installation grooves 13. A limit shaft 15 is provided on the push block 14.

[0036] When locking, the motor 5 drives the transmission gear 9 and the output gear 10 to rotate through the gear set 4. The rotation of the transmission gear 9 drives the lock - hook push block 11 to swing. The lock - hook push block 11 pushes the push block 14 to move along one end of the push - block installation groove 13. The limit shaft 15 cancels the rotation limit of the right lock hook 8. The right lock hook 8 is pushed by the lock - hook push block 11 to rotate. When the right lock hook 8 rotates, it drives the left lock hook 7 to rotate.

[0037] Preferably, one end of the push block 14 is provided with a push - block spring 16. The other end of the push - block spring 16 abuts against the bottom of the push - block installation groove 13. The other end of the push block 14 is provided with a push - block displacement limit hole 17. A positioning shaft 18 is inserted into the push - block displacement limit hole 17. One end of the positioning shaft 18 is fixed on the side wall of the inner housing 1. When the left lock hook 7 and the right lock hook 8 rotate, they both rotate with the positioning shaft 18 as the fulcrum.

[0038] Preferably, an arc - shaped guide groove 19 is provided on the side wall of the lock - hook installation cavity 3 corresponding to the position of the limit shaft 15 of the left lock hook 7. One end of the limit shaft 15 of the left lock hook 7 is embedded in the arc - shaped guide groove 19. A limit guide groove 20 is provided on the side wall of the lock - hook installation cavity 3 corresponding to the position of the limit shaft 15 of the right lock hook 8. An upper locking limit groove 201 and a lower unlocking limit groove 202 are provided at the upper end of the limit guide groove 20.

[0039] When the right lock hook 8 is in the unlocking state, the limit shaft 15 on the right lock hook 8 abuts against the unlocking limit groove 202.

[0040] When the right lock hook 8 is in the locking state, the limit shaft 15 on the right lock hook 8 abuts against the upper - locking limit groove 201.

[0041] Preferably, a lock hook protruding hole 21 is provided on one side of the inner housing 1, and a hook portion 22 is provided on each of the left lock hook 7 and the right lock hook 8. When the left lock hook 7 and the right lock hook 8 are in the unlocked state, the hook portion 22 protrudes from the lock hook protruding hole 21.

[0042] Preferably, a key socket 91 is provided in the middle of one end of the transmission gear 9, and a key hole 92 is provided on the key socket 91. When the transmission gear 9 is rotated by a key, the left lock hook 7 and the right lock hook 8 can be driven to rotate. The utility model can realize electric locking and unlocking and manual locking and unlocking. When manually locking and unlocking, neither of the two clutch gears of the gear set will engage with the third gear. When the transmission gear is rotated by a key, the self-locking function of the motor will not restrict its rotation, achieving the purpose of manual unlocking.

[0043] Preferably, an annular groove 23 is provided at the edge of the waterproof cavity 2, a sealing ring 24 is provided in the annular groove 23, and a sealing cover plate 25 is covered on the waterproof cavity 2. The sealing cover plate 25 is fixed to the inner housing 1 by screws and can squeeze the sealing ring 24;

[0044] A connection hole 26 is provided at one end of the inner housing 1. The connection hole 26 communicates with the waterproof cavity 2, and a waterproof connector 27 is provided in the connection hole 26. The leads of the PCB board 204 and the motor 5 both pass through the waterproof connector 27. The leads of the PCB board and the motor are both electrically connected to the control panel. A fingerprint recognition module, a digital touch screen, a face recognition module, etc. can be set on the control panel to control the working state of the motor.

[0045] Preferably, a PCB board installation bin 203 is further provided in the waterproof cavity 2. Card slots are provided on two corresponding side walls of the PCB board installation bin 203. The PCB board 204 is snapped into the PCB board installation bin 203 through the card slots. A Hall switch 205 and a reed switch (not shown in the figure) electrically connected to the PCB board 204 are provided on the PCB board 204. A first induction magnet 28 is provided on the side wall of the transmission gear 9. The first induction magnet 28 is inductive with the Hall switch 205 and disconnects the control circuit in the PCB board 204, and the motor 5 then stops controlling the rotation of the left lock hook 7 and the right lock hook 8.

[0046] Preferably, a latch plate 29 is further included. A second induction magnet 30 is provided on the latch plate 29. The second induction magnet 30 is inductive with the reed switch and conducts the control circuit in the PCB board 204, and the motor 5 starts to control the rotation of the left lock hook 7 and the right lock hook 8 to lock. When the second induction magnet 30 on the latch plate 29 is inductive with the reed switch and conducts the control circuit in the PCB board, the function of automatic locking can be realized.

[0047] Preferably, it further includes an outer housing 31 and a mounting side plate 32. The mounting side plate 32 is fixedly connected to one side of the outer housing 31. The inner housing 1 is accommodated in the outer housing 31 and fixed with screws. The latch plate 29 is correspondingly installed with the mounting side plate 32. Two latch hook holes 33 are provided on the mounting side plate 32, and a latch hook connection hole 34 is provided on the latch plate 29. A keyhole 35 is provided on one side of the outer housing 31.

[0048] Preferably, the gear set 4 includes a first gear pair 41, a second gear pair 42, a clutch gear set 43, and a third gear 44. The first gear pair 41 meshes and drives with the worm 6. The second gear pair 42 meshes and drives with the first gear pair 41. The gear shaft of the third gear 44 extends out of the waterproof cavity 2 and is connected to the output gear 10. A shaft through hole is provided in the waterproof cavity 2 corresponding to the position of the gear shaft of the third gear 44, and a waterproof gasket 45 is provided in the shaft through hole.

[0049] The clutch gear set 43 includes a clutch drive gear 431, a second gear shaft 432, and a clutch bracket 433 movably sleeved on the second gear shaft 432. The second gear shaft 432 is fixedly connected to the clutch drive gear 431. The clutch bracket 433 is provided with a first clutch gear 434, a second clutch gear 435, and a clutch driving gear 436. The clutch driving gear 436 meshes and drives with the first clutch gear 434 and the second clutch gear 435 respectively. The clutch driving gear 436 is connected to the second gear shaft 432.

[0050] When locking, the first clutch gear 434 meshes and drives with the third gear 44. The rotation of the third gear 44 can drive the rotation of the output gear 10. The rotation of the output gear 10 can drive the rotation of the transmission gear 9. The rotation of the transmission gear 9 can push the latch hook to rotate.

[0051] When unlocking, the second clutch gear 435 meshes and drives with the third gear 44. The rotation of the third gear 44 can drive the rotation of the output gear 10. The rotation of the output gear 10 can drive the rotation of the transmission gear 9. The rotation of the transmission gear 9 can push the latch hook to rotate.

[0052] The utility model has the functions of electric switch locking and manual switch locking. The double latch hooks are linked. Elastic push blocks and limit shafts are arranged on both latch hooks. The two latch hooks can be positioned by the limit shafts in both the unlocking and locking states, which can improve the stability of the latch hooks in the locked state and the unlocked state. The utility model is provided with a waterproof cavity, and the motor, the gear set, and the PCB board are all arranged in the waterproof cavity, which can prevent water vapor from entering the cavity and damaging the circuit performance.

[0053] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and structures of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalent scope.

Claims

1. A double hook door lock with waterproof function, comprising an inner shell, characterized in that: The inner housing has a waterproof cavity and a lock hook installation cavity, a gear set and a motor are arranged in the waterproof cavity, the output shaft of the motor is provided with a worm, the motor drives the gear set through the worm, a left lock hook, a right lock hook, a transmission gear and an output gear are arranged in the lock hook installation cavity, the transmission gear is meshed with the output gear, and a lock hook push block is arranged on one side of the transmission gear; The left lock hook and the right lock hook are arranged in a mirror image, the left lock hook and the right lock hook are linked by a connecting rod, the left lock hook and the right lock hook are both provided with a push block installation groove, a push block is arranged in the push block installation groove, and a limit shaft is arranged on the push block; When locking, the motor drives the transmission gear and the output gear to rotate through the gear set, and the rotation of the transmission gear drives the lock hook push block to swing, and the lock hook push block pushes the push block to move along one end of the push block installation groove, and the limit shaft cancels the rotation restriction on the right lock hook, and the right lock hook is driven to rotate by the lock hook push block, and the rotation of the right lock hook drives the left lock hook to rotate at the same time.

2. The double hook door lock with waterproof function according to claim 1, characterized in that: A push block spring is provided at one end of the push block, and the other end of the push block spring abuts against the bottom of the push block mounting groove. A push block displacement limiting hole is provided at the other end of the push block, and a positioning shaft is passed through the push block displacement limiting hole, and one end of the positioning shaft is fixed to the side wall of the inner shell body; when the left lock hook and the right lock hook rotate, they both rotate with the positioning shaft as the fulcrum.

3. The double hook door lock with waterproof function according to claim 2, characterized in that: An arc-shaped guide groove is provided on the side wall of the lock hook installation cavity corresponding to the position of the limit shaft of the left lock hook, one end of the limit shaft of the left lock hook is embedded in the arc-shaped guide groove, and a limit guide groove is provided on the side wall of the lock hook installation cavity corresponding to the position of the limit shaft of the right lock hook, and a locking limit groove is provided at the upper end of the limit guide groove and an unlocking limit groove is provided at the lower end; When the right lock hook is in an unlocked state, the limiting shaft on the right lock hook abuts against the unlocking limiting groove; When the right lock hook is in a locked state, the limiting shaft on the right lock hook abuts against the locking limiting groove.

4. The double hook door lock with waterproof function according to claim 2, characterized in that: A lock hook extension hole is provided on one side of the inner shell body, and a hook portion is provided on each of the left lock hook and the right lock hook. When the left lock hook and the right lock hook are in an unlocked state, the hook portion extends from the lock hook extension hole.

5. The double hook door lock with waterproof function according to claim 1, characterized in that: A key insertion seat is provided in the middle of one end of the transmission gear, and a key hole is provided on the key insertion seat. When the transmission gear is rotated by a key, the left lock hook and the right lock hook can be driven to rotate.

6. The double hook door lock with waterproof function according to claim 1, characterized in that: An annular groove is provided at the edge of the waterproof cavity, a sealing ring is provided in the annular groove, and a sealing cover plate is covered on the waterproof cavity, the sealing cover plate is fixed to the inner shell by screws and can squeeze the sealing ring; A connecting hole is provided at one end of the inner shell, the connecting hole is communicated with the waterproof cavity, and a waterproof joint is provided in the connecting hole.

7. The double hook door lock with waterproof function according to claim 6, characterized in that: A PCB board installation compartment is also provided in the waterproof cavity, and a card slot is provided on two corresponding side walls of the PCB board installation compartment. The PCB board is inserted into the PCB board installation compartment through the card slot. A Hall switch and a reed switch electrically connected to the PCB board are provided on the PCB board. A first induction magnet is provided on the side wall of the transmission gear, and the first induction magnet senses the Hall switch and disconnects the control circuit in the PCB board, and the motor stops controlling the rotation of the left lock hook and the right lock hook.

8. The double hook door lock with waterproof function according to claim 7, characterized in that: It also includes a latch plate, on which a second induction magnet is provided. The second induction magnet senses the reed switch and turns on the control circuit in the PCB board, and the motor starts to control the left lock hook and the right lock hook to rotate and lock.

9. The double hook door lock with waterproof function according to claim 8, characterized in that: It also includes an outer shell and a mounting side plate, wherein the mounting side plate is fixedly connected to one side of the outer shell, the inner shell is accommodated in the outer shell, the latch plate is installed corresponding to the mounting side plate, two lock hook holes are provided on the mounting side plate, a lock hook connecting hole is provided on the latch plate, and key holes are provided on one side of the outer shell and the inner shell.

10. The double hook door lock with waterproof function according to claim 1, characterized in that: The gear set includes a first gear pair, a second gear pair, a clutch gear set and a third gear, the first gear pair is meshed with the worm for transmission, the second gear pair is meshed with the first gear pair for transmission, the gear shaft of the third gear extends from the waterproof cavity and is connected to the output gear, the waterproof cavity is provided with a shaft through-hole at a position corresponding to the gear shaft of the third gear, and a waterproof gasket is provided in the shaft through-hole; The clutch gear set includes a clutch transmission gear, a second gear shaft, and a clutch bracket movably sleeved on the second gear shaft, the second gear shaft is fixedly connected to the clutch transmission gear, the clutch bracket is provided with a first clutch gear, a second clutch gear and a clutch drive gear, the clutch drive gear is respectively meshed with the first clutch gear and the second clutch gear for transmission, and the clutch drive gear is connected to the second gear shaft; When locking, the first clutch gear meshes with the third gear for transmission. When unlocking, the second clutch gear meshes with the third gear for transmission.

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