A door lock for heaven and earth

Abstract

The present invention relates to a floor and ceiling door lock, which includes a lock case and a main lock tongue connecting plate. A fork assembly is further provided on one side of the main lock tongue connecting plate. The fork assembly is linked with an electric drive mechanism to realize the unlocking and locking of the floor and ceiling rods. The fork assembly includes a fork sleeve, a first handle rotating shaft, a second handle rotating shaft, a handle fork lever, and a fork gear. A slot is provided inside the fork sleeve, and a limiting block is arranged in the slot. The limiting block is connected with a connecting piece, and the connecting piece is respectively connected with the limiting block and the first handle rotating shaft. A fork slider is arranged at the opening of the slot. A fork spring is arranged on one side of the fork assembly. One end of the fork spring is fixed on the lock case through a fork spring shaft, and the other end cooperates with the main lock tongue connecting plate. When the main lock tongue connecting plate retracts into the lock case, the downward pressure pad on the main lock tongue connecting plate drives the fork spring to move downward and drives the fork slider to fall into the slot and press the limiting block, so that the first handle rotating shaft cannot rotate. Press the handle connected to the second handle rotating shaft, and the second handle rotating shaft drives the fork sleeve to rotate and unlock the floor and ceiling lock.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent door locks, and in particular to a floor-to-ceiling door lock. Background Art

[0002] In order to improve the anti-theft performance of existing home doors, while being equipped with a main lock, a ceiling / ground lock is added to increase the locking points of the home doors. Generally speaking, the ceiling / ground lock and the main lock are arranged on the same side of the door leaf and are connected to the main lock by a ceiling / ground rod. Among them, the ceiling lock located above the main lock is called the ceiling lock, and the ground lock located below the main lock is called the ground lock. The working principle is generally as follows: when opening the door, the lock cylinder is opened with a key, the main tongue is retracted, the handle is pressed down at a certain angle (such as 45°), the oblique tongue is retracted, and at the same time, the power rod drives the ceiling / ground rod to retract, so that the ceiling / ground lock withdraws from the lock holes of the upper and lower door frames. The door is opened, and after the handle is released, the oblique tongue extends out, and the handle can return to its position; when locking the door, the handle is lifted up at a certain angle (such as 45°), the power rod drives the ceiling / ground rod to extend, so that the ceiling / ground lock is inserted into the lock holes of the upper and lower door frames, and then the lock cylinder is locked with a key or an operating button indoors, the main tongue is also extended to lock, the door is locked, and after the handle is released, the handle can return to its position. Since when the door is locked, it will be restricted by the ceiling lock, ground lock, main tongue and oblique tongue at the same time, the security is greatly improved.

[0003] However, in the existing door locks, when the handle and the lock are linked, the travel of the lock is too small, so that the lock cannot be unlocked; at the same time, there is a method in the prior art to unlock the lock by a motor, but if the force of the motor is not well controlled, the lock will be damaged. Summary of the invention

[0004] The purpose of the present invention is to provide a ceiling door lock to solve the above technical problems.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A heaven and earth door lock, characterized in that it comprises a lock shell and a main lock tongue connecting plate arranged in the lock shell, wherein the main lock tongue connecting plate is linked with an electric drive mechanism for driving the main lock tongue connecting plate to extend out of the lock shell or retract into the lock shell, and a fork assembly is also arranged on one side of the main lock tongue connecting plate, which is linked with the electric drive mechanism to realize the unlocking and locking of the heaven and earth rods; the fork assembly comprises a fork sleeve, a first handle shaft, a second handle shaft, a handle shift rod, and a fork gear, the first handle shaft and the second handle shaft are respectively located on both sides of the fork sleeve and are mutually sleeved with the fork sleeve, the handle shift rod and the fork gear are respectively sleeved on the fork sleeve, the handle shift rod is located on one side of the first handle shaft, the fork gear is located on one side of the second handle shaft, and a slot is arranged in the fork sleeve A limit block is provided in the slot, the limit block is connected with a connecting piece, the connecting piece is respectively connected to the limit block and the first handle rotating shaft, a shift fork slider is provided at the opening of the slot, the shift fork slider moves in the slot, a shift fork spring is provided on one side of the shift fork assembly, one end of the shift fork spring is fixed to the lock shell through the shift fork spring shaft, and the other end cooperates with the main lock tongue connecting plate. When the main lock tongue connecting plate retracts the lock shell, the downward pressure pad on the main lock tongue connecting plate drives the shift fork spring to move downward and drives the shift fork slider to fall into the slot and press the limit block, so that the outer handle connected to the first handle rotating shaft rotates to open the door. At this time, pressing the inner handle connected to the second handle rotating shaft can open the door at any time. At the same time, the second handle rotating shaft drives the shift fork sleeve to rotate and unlocks the world lock through the handle shift rod.

[0007] The present invention is further provided that the heaven and earth lock includes a heaven and earth rod one, a heaven and earth rod two and a heaven and earth rod transmission plate, the heaven and earth rod transmission plate is arranged close to one side of the fork assembly and is linked with the handle shift rod to realize the unlocking and locking of the heaven and earth rod one and the heaven and earth rod two, the heaven and earth rod transmission plate is provided with a heaven and earth rod shift shaft for realizing the rotation of the heaven and earth rod transmission plate, a rack is formed on one end of the heaven and earth rod one and the heaven and earth rod two close to each other, and a heaven and earth rod gear is adapted to be provided, a sliding groove is provided on one end of the heaven and earth rod one and the heaven and earth rod two with the rack, a heaven and earth rod positioning column is provided in the sliding groove for connecting the heaven and earth rod one and the heaven and earth rod two with the lock shell, and a gear positioning column is correspondingly provided on the heaven and earth rod gear for positioning the heaven and earth rod gear on the lock shell.

[0008] The present invention is further provided that the heaven and earth rod transmission plate has a resting block that rests against the heaven and earth rod 1, the resting block is at the end of the heaven and earth rod 1 and is located at one end of a notch groove formed on the heaven and earth rod 1, the heaven and earth lock also includes a torsion spring for realizing the resetting of the heaven and earth rod 1, the torsion spring is fixed to the lock shell through a torsion spring column, and an action block is formed at the other end of the notch groove, the action block is adapted to one end of the torsion spring, and when the heaven and earth rod 1 is unlocked, the action block squeezes one end of the torsion spring.

[0009] The present invention further provides that the fork spring has a torsion portion, and the torsion portion is twisted at least twice.

[0010] The present invention is further provided that a terminal gear is provided at the end of the electric drive mechanism, a gear shaft is provided on the terminal gear, a toggle piece is sleeved on the gear shaft, the toggle piece includes an upper plate and a lower plate which are spaced a certain distance apart and arranged in parallel, a connecting plate is connected to the ends of the lower plate and the upper plate, and a U-shaped structure is formed with the upper plate and the lower plate, a connecting pin is provided between the upper plate and the lower plate, a notch is formed on the main lock tongue connecting plate, a hook portion is formed on the main lock tongue connecting plate on the side of the notch close to the terminal gear, the hook portion cooperates with the connecting pin, and the toggle piece acts on the notch to drive the main lock tongue connecting plate to retreat into the lock housing.

[0011] The beneficial effects of the present invention are as follows: when the electric drive mechanism drives the main lock tongue connecting plate to retract, the pressing pad on the main lock tongue connecting plate drives the shift fork spring to move downward and drives the shift fork slider to fall into the slot and press the limit block, so that the first handle shaft cannot rotate. At this time, the handle connected to the second handle shaft is pressed, and the second handle shaft drives the shift fork sleeve to rotate and unlocks the world lock through the handle lever. When unlocking the world lock, the handle lever rotates to drive the world lever transmission plate to rotate, thereby retracting the world lever one. At this time, since a world lever gear is provided between the world lever one and the world lever two, synchronous unlocking is achieved through the cooperation of the gear rack, and the reset of the world lever one and the world lever two is achieved through the torsion spring. After adopting the above structure, the unlocking and locking of the world lock and the main lock tongue connecting plate are separated. When the main lock tongue connecting plate is unlocked, the handle must be pressed to unlock the world lever. In the prior art, it is generally unlocked synchronously or unlocked by a motor, while the present invention does not need to be unlocked by a motor, avoiding the problem of insufficient travel and inability to unlock caused by synchronous unlocking, and also solving the problem of damage to the world lock caused by the strength problem caused by the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0013] Figure 1 The three-dimensional embodiment of the present invention Figure 1 .

[0014] Figure 2 The three-dimensional embodiment of the present invention Figure 2 .

[0015] Figure 3 The three-dimensional embodiment of the present invention Figure 3 .

[0016] Figure 4 It is a side view of an embodiment of the present invention.

[0017] Figure 5 for Figure 4 Sectional view of AA.

[0018] Figure 6 It is an enlarged view of the fork spring according to an embodiment of the present invention.

[0019] Figure 7 for Figure 1 Enlarged view of point A in the middle.

[0020] Figure 8 It is a schematic diagram of the structure when the limit block is connected to the second handle shaft according to an embodiment of the present invention.

[0021] Reference numerals:

[0022] 10. Lock housing; 20. Main lock tongue connecting plate; 201. Pressing pad; 202. Notch; 203. Undercut;

[0023] 30. Electric drive mechanism; 301. End gear; 302. Driving member; 3021. Upper plate; 3022. Lower plate; 3023. Connecting plate; 3024. Connecting pin;

[0024] 40, fork assembly; 401, fork sleeve; 4011, slot; 402, first handle shaft; 403, second handle shaft; 404, handle lever; 405, fork gear; 406, limit block; 407, connector; 408, fork slider; 409, fork spring; 409a, torsion unit; 4010, fork spring shaft;

[0025] 50. Heaven and earth lock; 501. Heaven and earth rod 1; 502. Heaven and earth rod 2; 503. Heaven and earth rod transmission sheet; 5031. Abutment block; 504. Heaven and earth rod shift shaft; 505. Rack; 506. Heaven and earth rod gear; 507. Sliding groove; 508. Torsion spring; 509. Torsion spring column; 5010. Heaven and earth rod positioning column; 5011. Gear positioning column; 5012. Notch groove; 5013. Action block; DETAILED DESCRIPTION

[0026] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0027] like Figure 1-7As shown, the present invention is a heaven and earth door lock, comprising a lock housing 10 and a main lock tongue connecting plate 20 arranged in the lock housing 10, wherein the main lock tongue connecting plate 20 is linked with an electric drive mechanism 30 for driving the main lock tongue connecting plate 20 to extend out of the lock housing 10 or retract into the lock housing 10, and a fork assembly 40 is also arranged on one side of the main lock tongue connecting plate 20, and the fork assembly 40 is linked with the electric drive mechanism 30 to realize the unlocking and locking of the heaven and earth rod; the fork assembly 40 includes a fork sleeve 401, a first handle shaft 402, and a second handle shaft 403. The handle shaft 403, the handle lever 404, and the fork gear 405, the first handle shaft 402 and the second handle shaft 403 are respectively located on both sides of the fork sleeve 401 and are sleeved with the fork sleeve 401, the handle lever 404 and the fork gear 405 are respectively sleeved on the fork sleeve 401, the handle lever 404 is located on one side of the first handle shaft 402, and the fork gear 405 is located on one side of the second handle shaft 403, and a slot 4011 is provided in the fork sleeve 401. A limit block 406 is arranged in the slot 4011, and the limit block 406 is connected to a connecting piece 407, and the connecting piece 407 is respectively connected to the limit block 406 and the first handle shaft 402, and a fork slider 408 is arranged at the opening of the slot 4011, and the fork slider 408 moves in the slot 4011, and a fork spring 409 is arranged on one side of the fork assembly 40, and one end of the fork spring is fixed to the lock housing 10 through the fork spring shaft 4010, and the other end is connected to the main lock tongue. When the main lock tongue connecting plate 20 is retracted into the lock housing 10, the pressing pad 201 on the main lock tongue connecting plate 20 drives the fork spring 409 to move downward and drives the fork slider to fall into the slot 4011 and press the limit block 406, so that the outer handle connected to the first handle shaft 402 rotates to open the door. At this time, pressing the inner handle connected to the second handle shaft 403 can open the door at any time. At the same time, the second handle shaft 403 drives the fork sleeve 401 to rotate and unlocks the sky and earth lock 50 through the handle lever 404. In the present invention, the limit block 406 only needs to be connected to the first handle shaft 402 or the second handle shaft 403. Figure 8 As shown, it is a schematic diagram of the connection between the limit block and the second handle shaft, wherein the limit block can adjust its position at any time through the connecting piece when the first handle shaft 402 is connected or the second handle shaft 403, thereby switching the inner and outer handles, wherein the connecting piece is preferably a screw.

[0028] The heaven and earth lock 50 includes a heaven and earth rod 1 501, a heaven and earth rod 2 502 and a heaven and earth rod transmission plate 503. The heaven and earth rod transmission plate 503 is arranged near one side of the fork assembly 40 and is linked with the handle shift rod 404 to realize unlocking and locking of the heaven and earth rod 1 501 and the heaven and earth rod 2 502. A heaven and earth rod shift shaft 504 is arranged on the heaven and earth rod transmission plate 503 for realizing the rotation of the heaven and earth rod transmission plate 503. A rack 505 is formed on one end of the heaven and earth rod 1 501 and the heaven and earth rod 2 502 close to each other, and a heaven and earth rod gear 506 is adapted to be arranged. A sliding groove 507 is formed on one end of the heaven and earth rod 1 501 and the heaven and earth rod 2 502 provided with the rack 505, and a heaven and earth rod positioning column 5010 is arranged in the sliding groove 507 for connecting the heaven and earth rod 1 501 and the heaven and earth rod 2 502 with the lock shell 10, and the heaven and earth rod gear 506 is correspondingly provided with a gear positioning column 5011 for positioning the heaven and earth rod gear 506 on the lock shell 10.

[0029] The heaven and earth rod transmission plate 503 has a resting block 5031 that rests against the heaven and earth rod 1 501. The resting block 5031 is the end of the heaven and earth rod 1 501 and is located at one end of the notch groove 5012 formed on the heaven and earth rod 1 501. The heaven and earth lock 50 also includes a torsion spring 508 for realizing the reset of the heaven and earth rod 1 501. The torsion spring 508 is fixed to the lock shell 10 through a torsion spring 508 column. The other end of the notch groove 5012 is formed with an action block 5013. The action block 5013 is adapted to one end of the torsion spring 508. When the heaven and earth rod 1 501 is unlocked, the action block 5013 squeezes one end of the torsion spring 508.

[0030] The fork spring 409 has a torsion portion 409 a , and the torsion portion 409 a is twisted at least twice. The end of the electric drive mechanism 30 is provided with an end gear 301, and the end gear 301 is provided with a gear shaft, and a toggle member 302 is sleeved on the gear shaft, and the toggle member 302 includes an upper plate 3021 and a lower plate 3022 that are spaced a certain distance and arranged in parallel, and the lower plate 3022 is connected to the end of the upper plate 3021 with a connecting plate 3023, forming a U-shaped structure with the upper plate 3021 and the lower plate 3022, and a connecting pin 3024 is provided between the upper plate 3021 and the lower plate 3022, and a notch 202 is formed on the main lock tongue connecting plate 20, and a hook portion 203 is formed on the main lock tongue connecting plate 20 on the side of the notch 202 close to the end gear 301, and the hook portion 203 cooperates with the connecting pin 3024, and the toggle member 302 acts on the notch 202 to drive the main lock tongue connecting plate 20 to retreat into the lock housing 10.

[0031] The principle of the present invention is as follows: when the electric drive mechanism 30 drives the main lock tongue connecting plate 20 to retract, the downward pressure pad 201 on the main lock tongue connecting plate 20 drives the fork spring 409 to move downward and drives the fork slider to fall into the slot 4011 and press the limit block 406, so that the first handle shaft 402 cannot rotate. At this time, the handle connected to the second handle shaft 403 is pressed, and the second handle shaft 403 drives the fork sleeve 401 to rotate and unlock the world lock 50 through the handle lever 404. When unlocking the world lock 50, the handle lever 404 rotates to drive the world rod transmission sheet 503 to rotate, thereby retracting the world rod 1 501. At this time, due to the connection between the world rod 1 501 and the world rod 2 A heaven and earth rod gear 506 is arranged between 502, and synchronous unlocking is achieved through the cooperation of the gear rack 505. The resetting of the heaven and earth rod 1 501 and the heaven and earth rod 2 502 is achieved by the torsion spring 508. After adopting the above structure, the unlocking and locking of the heaven and earth lock 50 and the main lock tongue connecting plate 20 are separated. When the main lock tongue connecting plate 20 is unlocked, the handle must be pressed to unlock the heaven and earth rod; while the prior art generally uses synchronous unlocking or unlocking by a motor, the present invention does not need to be unlocked by a motor, avoiding the problem of insufficient travel and inability to unlock caused by synchronous unlocking, and also solving the problem of damage to the heaven and earth lock 50 caused by the force problem caused by the motor.

[0032] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.

[0033] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0034] The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A kind of sky and earth door lock, It is characterized in that The invention comprises a lock housing (10) and a main lock tongue connecting plate (20) arranged in the lock housing (10), wherein the main lock tongue connecting plate (20) is linked with an electric drive mechanism (30) for driving the main lock tongue connecting plate (20) to extend out of the lock housing (10) or retract into the lock housing (10), and a shift fork assembly (40) is further arranged on one side of the main lock tongue connecting plate (20), and the shift fork assembly (40) is linked with the electric drive mechanism (30) to realize unlocking and locking of the top and bottom rods; the shift fork assembly (40) comprises a shift fork sleeve (401), a first handle rotating shaft (402), a second handle rotating shaft (403), A handle shift lever (404), a shift fork gear (405), the first handle rotating shaft (402) and the second handle rotating shaft (403) are respectively located on both sides of the shift fork sleeve (401) and are sleeved with the shift fork sleeve (401), the handle shift lever (404) and the shift fork gear (405) are respectively sleeved on the shift fork sleeve (401), the handle shift lever (404) is located on one side of the first handle rotating shaft (402), the shift fork gear (405) is located on one side of the second handle rotating shaft (403), a slot (4011) is provided in the shift fork sleeve (401), and the slot (4011) is provided in the shift fork sleeve (401). A limit block (406) is arranged in the lock housing (10) and the first handle shaft (402). The limit block (406) is connected to a connecting piece (407). The connecting piece (407) is respectively connected to the limit block (406) and the first handle shaft (402). A fork slider (408) is arranged at the opening of the slot (4011). The fork slider (408) moves in the slot (4011). A fork spring (409) is arranged on one side of the fork assembly (40). One end of the fork spring is fixed to the lock housing (10) through a fork spring shaft (4010), and the other end is connected to the main lock tongue. When the main lock tongue connecting plate (20) is retracted into the lock housing (10), the pressing pad (201) on the main lock tongue connecting plate (20) drives the shift fork spring (409) to move downward and drives the shift fork slider to fall into the slot (4011) and press the limit block (406), so that the outer handle connected to the first handle rotating shaft (402) rotates to open the door. At this time, the inner handle connected to the second handle rotating shaft (403) is pressed to open the door at any time. At the same time, the second handle rotating shaft (403) drives the shift fork sleeve (401) to rotate and unlocks the sky and earth lock (50) through the handle shift rod (404);The heaven and earth lock (50) comprises a heaven and earth rod 1 (501), a heaven and earth rod 2 (502) and a heaven and earth rod transmission sheet (503). The heaven and earth rod transmission sheet (503) is arranged near one side of the fork assembly (40) and is linked with the handle shift rod (404) to realize unlocking and locking of the heaven and earth rod 1 (501) and the heaven and earth rod 2 (502). The heaven and earth rod transmission sheet (503) is provided with a heaven and earth rod shift shaft (504) for realizing the rotation of the heaven and earth rod transmission sheet (503). The heaven and earth rod 1 (501) and the heaven and earth rod 2 (502) are arranged at one end near each other. A rack (505) is formed on the top and a heaven and earth rod gear (506) is adapted to be arranged thereon. A sliding groove (507) is provided on one end of the heaven and earth rod 1 (501) and the heaven and earth rod 2 (502) provided with the rack (505). A heaven and earth rod positioning column (5010) is provided in the sliding groove (507) for connecting the heaven and earth rod 1 (501) and the heaven and earth rod 2 (502) with the lock housing (10). A gear positioning column (5011) is correspondingly provided on the heaven and earth rod gear (506) for positioning the heaven and earth rod gear (506) on the lock housing (10). ; 2. A floor door lock as claimed in claim 1, It is characterized in that The heaven and earth rod transmission sheet (503) comprises a support block (5031) that is supported against the heaven and earth rod one (501); the support block (5031) is the end of the heaven and earth rod one (501) and is located at one end of a notch groove (5012) formed on the heaven and earth rod one (501); the heaven and earth lock (50) further comprises a torsion spring (508) for realizing the reset of the heaven and earth rod one (501); the torsion spring (508) is fixed to the lock housing (10) through a torsion spring (508) column; the other end of the notch groove (5012) is formed with an action block (5013); the action block (5013) is adapted to one end of the torsion spring (508); when the heaven and earth rod one (501) is unlocked, the action block (5013) presses one end of the torsion spring (508).

3. A ceiling door lock as claimed in claim 1, It is characterized in that The shift fork spring (409) has a torsion portion (409a), and the torsion portion (409a) is twisted at least twice.

4. A ceiling door lock as claimed in claim 1, It is characterized in that The electric drive mechanism (30) is provided with an end gear (301) at the end thereof, a gear shaft is provided on the end gear (301), a toggle member (302) is sleeved on the gear shaft, the toggle member (302) comprises an upper plate (3021) and a lower plate (3022) which are arranged in parallel and spaced a certain distance apart, a connecting plate (3023) is connected to the ends of the lower plate (3022) and the upper plate (3021), and a U-shaped structure is formed with the upper plate (3021) and the lower plate (3022). A connecting pin (3024) is provided between the upper plate (3021) and the lower plate (3022); a notch (202) is formed on the main lock tongue connecting plate (20); a hook portion (203) is formed on the main lock tongue connecting plate (20) at a side of the notch (202) close to the end gear (301); the hook portion (203) cooperates with the connecting pin (3024); the toggle member (302) acts on the notch (202) to drive the main lock tongue connecting plate (20) to retract into the lock housing (10).

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