Mechanical automatic lock body for door closing and locking and locking and unlocking method of mechanical automatic lock body

Abstract

The invention discloses a mechanical automatic lock body for door closing and locking and a locking and unlocking method thereof, and belongs to a mechanical lock body. The technical problems that an existing lock body is complex, and the electrical control and maintenance cost is high are mainly solved. According to the technical scheme, the mechanical automatic lock body comprises a lock shell assembly, a spring bolt assembly, a starting assembly and a counter locking assembly, the spring bolt assembly, the starting assembly and the counter locking assembly are arranged on the lock shell assembly, and the spring bolt assembly controls the counter locking assembly to conduct locking by making contact with and shifting the starting assembly. The door is mainly applied to various doors.

Description

Technical Field

[0001] The invention relates to a mechanical lock body, in particular to a mechanical automatic lock body for locking when closing a door and a locking and unlocking method thereof. Background Art

[0002] With existing door locks, when the user closes the door, the door is just closed, but the door lock is not in the reverse lock state. The reverse lock state can be achieved by turning the handle to drive the reverse lock tongue to retract or the key to turn the key to drive the rear lock tongue to retract.

[0003] When the user forgets to lock the door or is in a hurry to go out without locking the door, the door lock is in an unsafe state. Now a lock body that can automatically lock when the door is closed is needed. Summary of the invention

[0004] The purpose of the present invention is to provide a mechanical lock body which can automatically lock when closing a door, has a simple and reliable structure and does not require electric control.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a mechanical automatic lock body for closing a door and locking it, the mechanical automatic lock body comprising a lock shell assembly, a lock tongue assembly, a start assembly and a reverse lock assembly, the lock tongue assembly, the start assembly and the reverse lock assembly are respectively arranged on the lock shell assembly; The lock bolt assembly of the present invention comprises an inclined bolt, an inclined bolt connecting member, an inclined bolt sliding member and an inclined bolt elastic member, wherein the inclined bolt is connected to the inclined bolt connecting member, the inclined bolt connecting member is arranged in the inner cavity of the lock housing assembly, the inclined bolt is movably arranged in the inner cavity of the lock housing assembly, the inclined bolt can extend out of the lock housing assembly or retract into the lock housing assembly, one end of the inclined bolt connecting member is connected to the inclined bolt sliding member, a part of the inclined bolt sliding member is perpendicular to the inclined bolt connecting member, another part of the inclined bolt sliding member is parallel to the inclined bolt connecting member, the vertical part of the inclined bolt sliding member is connected to the inclined bolt connecting member, The connection between the oblique tongue connecting member and the oblique tongue sliding member of the present invention is provided with a groove, and the oblique tongue sliding member can move in the groove; the oblique tongue elastic component is placed in the lock housing component, and the oblique tongue elastic component includes an oblique tongue elastic member and an oblique tongue elastic reset member, the oblique tongue elastic member is sleeved on the oblique tongue connecting member and connected to the oblique tongue, and the other end is connected to the oblique tongue fixing member provided on the lock housing component, the oblique tongue elastic member constitutes a telescopic mechanism of the oblique tongue, the oblique tongue elastic reset member is connected to the oblique tongue sliding member, and the oblique tongue elastic reset member constitutes a reset mechanism of the oblique tongue sliding member; the oblique tongue elastic member and the oblique tongue elastic reset member are not at the same level, the horizontal line of the oblique tongue elastic reset member is higher than the horizontal line of the oblique tongue elastic member, and they are staggered, and the oblique tongue elastic member and the oblique tongue elastic reset member are respectively arranged on both sides of the oblique tongue sliding member; The starting assembly of the present invention comprises a starting member and a starting elastic member, wherein the starting member is arranged in the inner cavity of the lock housing assembly in a rotatable manner, one end of the starting member is connected to the starting elastic member and is locked with the anti-locking member, the starting member is in close contact with the anti-locking member through the elastic force of the starting elastic member, the starting elastic member constitutes a reset mechanism of the starting member, and the other end of the starting member is arranged at a position close to the oblique tongue sliding member, in particular, close to the part of the oblique tongue sliding member parallel to the oblique tongue connecting member; The anti-locking assembly of the present invention comprises a square tongue, a square tongue connecting piece, a square tongue toggle assembly and a square tongue elastic assembly, wherein the square tongue is connected to the square tongue connecting piece, the square tongue connecting piece is arranged in the inner cavity of the lock housing assembly, the square tongue connecting piece is provided with a card slot, the card slot is connected to the starting piece, the square tongue is movably arranged in the inner cavity of the lock housing assembly, the square tongue can extend out of the lock housing assembly or retract into the lock housing assembly, the square tongue connecting piece is provided with a slide groove, one end of the square tongue toggle assembly reciprocates in the slide groove of the square tongue connecting piece, the other end of the square tongue toggle assembly is connected to the square tongue elastic assembly, and the square tongue elastic assembly constitutes a reset mechanism of the square tongue toggle assembly.

[0006] The oblique tongue sliding member of the present invention is an L-shaped structure, and an oblique tongue sliding through hole is provided on the oblique tongue sliding member, and the oblique tongue sliding through hole is connected to the groove of the oblique tongue connecting member. The oblique tongue sliding through hole of the oblique tongue sliding member is smaller than the groove of the oblique tongue connecting member, so that the oblique tongue sliding member can move on the oblique tongue connecting member; an oblique tongue elastic reset member is provided at the upper end of the oblique tongue sliding through hole.

[0007] The diameter of the oblique tongue sliding hole of the present invention is smaller than the diameter of the oblique tongue connecting piece, and the diameter of the oblique tongue sliding hole is larger than the diameter of the oblique tongue connecting piece groove, so that the oblique tongue sliding piece can be movably fixed on the oblique tongue connecting piece and will not separate from the oblique tongue connecting piece.

[0008] When the latch bolt is retracted into the lock housing assembly, the latch bolt connector moves backwards. Since the latch bolt elastic reset member and the latch bolt connector are not on the same horizontal line, the latch bolt elastic reset member applies a reverse force to the latch bolt sliding member, causing the latch bolt sliding member to tilt.

[0009] The square tongue toggle assembly of the present invention is arranged in the inner cavity of the lock housing assembly in a rotational manner, a sliding groove is arranged on the square tongue connecting piece, a square tongue toggle sliding piece is arranged at one end of the square tongue toggle assembly, the square tongue toggle sliding piece reciprocates in the sliding groove of the square tongue connecting piece, and the other end of the square tongue toggle assembly is connected to the square tongue elastic assembly.

[0010] During the automatic locking process of the present invention, in a natural state, the inclined bolt is acted upon by the inclined bolt elastic member, the inclined bolt extends out of the lock housing assembly, the inclined bolt sliding member is above the starter and is in a non-contact state, when the user opens the door, the inclined bolt contacts the outer periphery of the door frame to prevent it from being retracted into the lock housing assembly, the inclined bolt sliding member moves backward with the movement of the inclined bolt connecting member, and at the same time, the inclined bolt sliding member is acted upon by the elastic force of the inclined bolt elastic reset member, the inclined bolt sliding member begins to gradually tilt, after the inclined bolt sliding member contacts and passes over the starter, the end face of the inclined bolt sliding member also gradually moves to the same horizontal line as the starter, and then the inclined bolt moves to the empty space of the door frame, The latch is moved by the latch elastic member so that the latch extends out of the lock housing assembly and returns to its natural state. The latch sliding member moves forward along with the movement of the latch connecting member. At the same time, the latch sliding member is less affected by the elastic force of the latch elastic reset member. The latch sliding member begins to gradually return to its original position. The latch sliding member contacts the starter and toggles the starter. The starter is toggled by the latch sliding member, and the other end of the starter is separated from the state connected with the square latch connecting member. Under the action of the square latch toggling member and the elastic action of the square latch elastic member, the square latch connecting member extends out of the lock housing assembly to achieve automatic locking.

[0011] The lock case assembly of the present invention comprises a first lock case component, a second lock case component and a third lock case component. The first lock case component is cooperatively connected with the second lock case component. The third lock case component is vertically connected and arranged on one side of the first lock case component and the second lock case component. The first lock case component, the second lock case component and the third lock case component are combined and connected to form a whole.

[0012] One end of the oblique tongue sliding member of the present invention is provided with an outwardly inclined curved member, thereby increasing the range of movement of the end of the oblique tongue sliding member around the oblique tongue connecting member.

[0013] The starter of the present invention is in an L-shaped structure, and the middle of the starter is movably connected to the lock housing assembly, so that the starter can rotate and move in the inner cavity of the lock housing assembly.

[0014] The mechanical automatic lock body of the present invention also includes a toggle assembly, which is arranged in the inner cavity of the lock shell assembly in a rotatable manner. The toggle assembly includes a toggle piece and a square rod piece. One end of the square rod piece is connected to the toggle piece, and the other end of the square rod piece is connected to the door handle. When the door handle is rotated, the square rod piece rotates at the same time, and the movement of the square rod piece drives the toggle piece to rotate. The toggle piece is arranged close to the oblique tongue sliding piece. When the toggle piece rotates, the end of the toggle piece contacts the oblique tongue sliding piece and is on the same horizontal line as the oblique tongue elastic reset piece, driving the oblique tongue sliding piece to move backward. The oblique tongue sliding piece is simultaneously subjected to the elastic force of the oblique tongue elastic reset piece and the oblique tongue elastic piece. The oblique tongue sliding piece will not tilt when moving backward, and the oblique tongue sliding piece will not contact the starting piece. The oblique tongue connecting piece moves backward with the movement of the oblique tongue sliding piece, and only drives the square tongue to retract into the lock shell assembly.

[0015] The mechanical automatic lock body of the present invention also includes a pushing component, which includes a pushing connecting piece and a pushing piece. The pushing piece is arranged in the inner cavity of the lock shell component in a rotatable manner. One end of the pushing connecting piece is connected to the toggle piece, and the other end is connected to the pushing piece. The pushing piece contacts the square tongue toggle component.

[0016] During the locking and returning process of the present invention, in the locked state, the square tongue connecting part is acted upon by the square tongue toggle assembly and the elastic action of the square tongue elastic assembly, so that the square tongue extends out of the lock shell assembly. When the user turns the door handle, the toggle member rotates, which on the one hand causes the oblique tongue sliding part to move backward, and the oblique tongue connecting part moves backward along with the movement of the oblique tongue sliding part, only driving the square tongue to retract into the lock shell assembly. On the other hand, the pushing member is driven to rotate by the pushing connecting part, and the pushing member drives the square tongue toggle assembly to move, overcoming the elastic action of the square tongue elastic assembly, the square tongue connecting part moves backward, and the square tongue retracts into the lock shell assembly. After the square tongue connecting part moves backward for a certain distance, the starting member clamps the square tongue connecting part, the anti-locking assembly is in a stable state, and the entire lock body returns to an unlocked state.

[0017] The mechanical automatic lock body of the present invention also includes a lock core assembly, which is inserted into the lock housing assembly and arranged on one side of the pushing connecting piece. The lock core assembly includes a lock core piece and a fork piece. The fork piece is rotatably arranged in the inner cavity of the lock core piece. When the fork piece rotates, it can contact the pushing connecting piece to drive the pushing connecting piece to move.

[0018] The locking and returning process of the present invention is that in the locked state, the square tongue connecting part is acted upon by the square tongue toggle assembly and the elastic action of the square tongue elastic assembly, and the square tongue extends out of the lock shell assembly. When the user turns the key, the rotation of the key drives the fork member to rotate, the fork member drives the pushing connecting part to move, the pushing connecting part drives the pushing part to rotate, the pushing part drives the square tongue toggle assembly to move, overcoming the elastic action of the square tongue elastic assembly, the square tongue connecting part moves backward, the square tongue retracts into the lock shell assembly, after the square tongue connecting part moves backward for a certain distance, the starting part clamps the square tongue connecting part, the anti-locking assembly is in a stable state, and the entire lock body returns to an unlocked state.

[0019] The beneficial effects of the present invention are as follows: when the door is closed, the present invention automatically locks, thereby solving the trouble of users forgetting to lock the door, and at the same time greatly saving the time of lifting the handle to lock the door or using the key to lock the door when closing the door. Moreover, the door is mechanically locked throughout the use process to ensure long-term use, without the need to replace batteries, thus reducing the cost of using the door body and the cost of manufacturing the door body, with high safety performance and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the initial state of the automatic locking process of the present invention; Figure 2 It is a schematic diagram of the sensing state of the automatic locking process of the present invention; Figure 3 It is a schematic diagram of the unlocking state of the automatic locking process of the present invention; Figure 4 It is a schematic diagram of the reverse locking state of the automatic locking process of the present invention; Figure 5 It is a schematic diagram of the initial state of the anti-lock release process of the present invention; Figure 6 It is a schematic diagram of releasing the anti-lock by using a handle of the present invention; Figure 7 It is a schematic diagram of removing the anti-lock with a key of the present invention. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0022] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and does not serve as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0023] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0024] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0025] Unless otherwise specified, the relative arrangement of the components and steps described in these embodiments, the numerical expressions and numerical values ​​do not limit the scope of the present application. At the same time, it should be understood that for ease of description, the structures, proportions, sizes, etc. shown in the drawings are only used to match the contents disclosed in the specification, so that people familiar with this technology can understand and read, and are not used to limit the limiting conditions that can be implemented in this application. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effect that can be produced by this application and the purpose that can be achieved, should still fall within the scope that the technical content disclosed in this application can cover. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, not as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in the subsequent drawings.

[0026] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0027] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0028] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0029] Example 1, see Figure 1 The present invention discloses a mechanical automatic lock body for locking a door when closed, the mechanical automatic lock body comprising a lock housing assembly 1, a lock tongue assembly 2, a starting assembly 3 and a reverse locking assembly 4, wherein the lock tongue assembly 1, the starting assembly 3 and the reverse locking assembly 4 are respectively arranged on the lock housing assembly 1; the lock tongue assembly 2 comprises an inclined tongue 21, an inclined tongue connecting member 22, an inclined tongue sliding member 23 and an inclined tongue elastic member 24, the inclined tongue 21 is connected to the inclined tongue connecting member 22, the inclined tongue connecting member 22 is arranged in the inner cavity of the lock housing assembly 1, the inclined tongue 21 is movably arranged in the inner cavity of the lock housing assembly 1, the inclined tongue 21 can extend out of the lock housing assembly 1 or retract into the lock housing assembly 1, one end of the inclined tongue connecting member 22 is connected to the inclined tongue sliding member 23, a part of the inclined tongue sliding member 23 is perpendicular to the inclined tongue connecting member 22, another part of the inclined tongue sliding member 23 is parallel to the inclined tongue connecting member 22, and the vertical part of the inclined tongue sliding member 23 is connected to the inclined tongue connecting member 22; The connection between the oblique tongue connecting member 22 and the oblique tongue sliding member 23 of the present invention is provided with a groove 221, and the oblique tongue sliding member 23 can move in the groove 221; the oblique tongue elastic component 24 is placed in the lock housing component, and the oblique tongue elastic component 24 includes an oblique tongue elastic member 241 and an oblique tongue elastic reset member 242, and the oblique tongue elastic member 241 is sleeved on the oblique tongue connecting member 22 and connected to the oblique tongue 21, and the lock housing component 1 is provided with an oblique tongue fixing member 11, and the other end of the oblique tongue elastic member 241 is connected to the oblique tongue provided on the lock housing component 1. The oblique tongue fixing member 11 is connected, the oblique tongue elastic member 241 constitutes a telescopic mechanism of the oblique tongue 21, the oblique tongue elastic reset member 242 is connected to the oblique tongue sliding member 23, and the oblique tongue elastic reset member 242 constitutes a reset mechanism of the oblique tongue sliding member 23; the oblique tongue elastic member 241 and the oblique tongue elastic reset member 242 are not at the same level, the horizontal line of the oblique tongue elastic reset member 242 is higher than the horizontal line of the oblique tongue elastic member 241, and the oblique tongue elastic member 241 and the oblique tongue elastic reset member 242 are respectively arranged on both sides of the oblique tongue sliding member 23; The starting component 3 of the present invention comprises a starting member 31 and a starting elastic component 32, wherein the starting member 31 is rotatably arranged in the inner cavity of the lock housing component 1, and a starting fixing member 12 is arranged on the lock housing component 1, and the starting member 31 is rotatably arranged around the starting fixing member 12, and one end of the starting member 31 is connected to the starting elastic component 32 and is buckled with the anti-locking component 4, and the starting member 31 is in close contact with the anti-locking component 4 through the elastic force of the starting elastic component 32, and the starting elastic component 32 constitutes a reset mechanism of the starting member 31, and the other end of the starting member 31 is arranged at a position close to the oblique tongue sliding member 23, and a curved member 231 is arranged on the oblique tongue sliding member 23, and the curved member 231 is correspondingly arranged above the starting member 31 and close to the starting member 31; The anti-locking assembly 4 of the present invention includes a square tongue 41, a square tongue connecting member 42, a square tongue toggle assembly 43 and a square tongue elastic assembly 44, wherein the square tongue 41 is connected to the square tongue connecting member 42, and the square tongue connecting member 42 is arranged in the inner cavity of the lock housing assembly 1, and a card slot 421 is arranged on the square tongue connecting member 42, and the card slot 421 is connected to the starting member 31, and the square tongue 41 is movably arranged in the inner cavity of the lock housing assembly 1, and the square tongue 41 can extend out of the lock housing assembly 1 or retract into the lock housing assembly 1, and a sliding groove 422 is arranged on the square tongue connecting member 42, and one end of the square tongue toggle assembly 43 moves in the sliding groove 422 of the square tongue connecting member, and the other end of the square tongue toggle assembly 43 is connected to the square tongue elastic assembly 44, and the square tongue elastic assembly 44 constitutes a reset mechanism of the square tongue toggle assembly 43.

[0030] Example 2, see Figure 2 The inclined tongue 21 of the present invention is retracted into the lock housing assembly 1 by the force, the inclined tongue connecting member 22 moves backward, and the inclined tongue elastic member 241 is squeezed and compressed. Since the inclined tongue elastic reset member 242 and the inclined tongue connecting member 22 are not on the same horizontal line, the inclined tongue elastic reset member 242 and the inclined tongue elastic member 241 are also not on the same horizontal line. The inclined tongue elastic reset member 242 applies a reverse force to the inclined tongue sliding member, so that the inclined tongue sliding member 23 is tilted, and the rest is the same as any other embodiment of the present invention or a combination of more than two embodiments.

[0031] Example 3, see Figure 3The starter 31 of the present invention is provided with a first starter curved piece 311 and a second starter curved piece 312. The first starter curved piece 311 is provided at the end of the starter 31 close to the oblique tongue sliding piece 23. The first starter curved piece 311 corresponds to and is close to the curved piece 231 of the oblique tongue sliding piece 23. The second starter curved piece 312 is provided at the end of the starter 31 close to the starter elastic component 32. The second starter curved piece 312 is connected to the starter elastic component 32. The second starter curved piece 312 can be buckled in the card slot 4 of the square tongue connecting piece 42. 21; when the oblique tongue 21 is no longer subjected to the force, the oblique tongue 21 extends out of the lock housing assembly 1 through the rebound force of the oblique tongue elastic member 241, and at the same time, the oblique tongue sliding member 23 is reset through the rebound force of the oblique tongue elastic reset member 242. During the reset process of the oblique tongue sliding member 23, the curved member 231 of the oblique tongue sliding member 23 contacts the first starting curved member 311 of the starter 31, and drives the starter 31 to rotate, and the second starting curved member 312 is disconnected from the slot 421 of the square tongue connecting member 42, and the rest is the same as any other embodiment of the present invention or a combination of more than two embodiments.

[0032] Example 4, see Figure 4 The lock housing assembly 1 of the present invention is provided with a first tongue fixing member 13 and a second tongue fixing member 14. The anti-lock assembly 4 of the present invention comprises a tongue 41, a tongue connecting member 42, a tongue toggle assembly 43 and a tongue elastic assembly 44. The tongue connecting member 42 is provided with a slide groove 422, a first tongue slide groove 423 and a second tongue slide groove 424. The first tongue slide groove 423 is movably connected to the first tongue fixing member 13, and the second tongue slide groove 424 is movably connected to the second tongue fixing member 14; the tongue toggle assembly 43 is provided with a tongue toggle sliding member 431 and a tongue toggle convex member 432 at both ends, respectively. The tongue toggle sliding member 431 is movably connected to the slide groove 422 on the tongue connecting member 42. One end of the tongue toggle assembly 43 The square tongue toggle sliding member 431 reciprocates in the slide groove 422 of the square tongue connecting member, the square tongue toggle protrusion 432 at the other end of the square tongue toggle assembly 43 is connected to the square tongue elastic assembly 44, and the square tongue toggle assembly 43 is connected to the second square tongue fixing member 14 and can rotate around the second square tongue fixing member 14; when the second starting curved member 312 of the starting member 31 is disconnected from the slot 421 of the square tongue connecting member 42, under the action of the contraction elastic force of the square tongue elastic assembly 44, the square tongue toggle assembly 43 rotates around the second square tongue fixing member 14 in the reverse time direction, so that the square tongue toggle sliding member 431 moves along the slide groove 422, the square tongue connecting member 42 moves outward, and the square tongue 41 is extended out of the lock shell assembly 1, and the rest is the same as any other embodiment of the present invention or a combination of more than two embodiments.

[0033] Example 5, see Figure 5 and Figure 6The mechanical automatic lock body of the present invention also includes a toggle assembly 5, which includes a toggle member 51 and a square rod member 52. One end of the square rod member 52 is connected to the toggle member 51, and the other end of the square rod member 52 is connected to the door handle. When the door handle is rotated, the square rod member 52 rotates at the same time, and the square rod member 52 moves to drive the toggle member 51 to rotate. The toggle member 51 is arranged close to the oblique bolt sliding member 23. When the toggle member 51 rotates, the end of the toggle member 51 contacts the oblique bolt sliding member 23 and the oblique bolt elastic reset member 242 at the same horizontal line, driving the oblique bolt sliding member 23 to move backward. The oblique bolt sliding member 23 is simultaneously subjected to the elastic force of the oblique bolt elastic reset member 242 and the oblique bolt elastic member 241. The oblique bolt sliding member 23 will not move and tilt when moving backward, and the oblique bolt sliding member 23 will not contact the starting member 31. The oblique bolt connecting member 22 moves backward with the movement of the oblique bolt sliding member 23, and only drives the oblique bolt 21 to retract into the lock housing assembly 1; The mechanical automatic lock body of the present invention further comprises a pushing assembly 6, the pushing assembly 6 comprises a pushing connecting member 61 and a pushing member 62, the pushing member 62 is rotatably arranged in the inner cavity of the lock housing assembly 1, the pushing member 62 can rotate around the second square tongue fixing member 14, one end of the pushing connecting member 61 is connected to the toggle member 51, and the other end is connected to the pushing member 62, the pushing member 62 contacts the square tongue toggle protrusion 432 of the square tongue toggle assembly 43; The toggle member 51 of the present invention includes a toggle starter 511 and a toggle connecting member 512. The toggle starter 511 of the toggle member 51 is close to the oblique tongue sliding member 23. The toggle member 51 is connected to the pushing connecting member 61 through the toggle connecting member 512. When the toggle starter 511 of the toggle member 51 rotates, the toggle starter 511 contacts the oblique tongue sliding member 23 and drives the oblique tongue sliding member 23 to move backward. At the same time, the toggle connecting member 512 drives the pushing connecting member 61 to move, so that the pushing member 62 rotates around the second square tongue fixing member 14 in time. The pushing member 62 contacts the square tongue toggle protrusion 432 of the square tongue toggle assembly 43 and drives the square tongue toggle assembly 43 to rotate around the second square tongue fixing member 14 in time, so that the square tongue toggle sliding member 431 moves along the slide groove 422, and the square tongue connecting member 42 moves inward to retract the square tongue 41 into the lock housing assembly 1. The rest is the same as any other embodiment of the present invention or a combination of more than two embodiments.

[0034] Example 6, see Figure 7The mechanical automatic lock body of the present invention also includes a lock core assembly 7, which is inserted into the lock housing assembly 1 and arranged on one side of the push connector. The lock core assembly 7 includes a lock core member 71 and a fork member 72, and the fork member 72 is arranged in the inner cavity of the lock core member 71 in a rotatable manner. When the fork member 72 rotates, it can contact the push connector 61 and drive the push connector 61 to move. On the one hand, the push connector 61 drives the toggle connector 512 and the toggle starter 511 to rotate. The toggle starter 511 contacts the oblique tongue sliding member 23 and drives the oblique tongue sliding member 23 to move backward. The oblique tongue sliding member 23 is simultaneously subjected to the elastic force of the oblique tongue elastic reset member 242 and the oblique tongue elastic member 241. The oblique tongue sliding member 23 will not move and tilt when it moves backward, and the oblique tongue sliding member 2 3 will not contact the starting member 31, the oblique tongue connecting member 22 moves backward with the movement of the oblique tongue sliding member 23, driving the oblique tongue 21 to retract into the lock housing assembly 1; on the other hand, the pushing connecting member 61 drives the pushing member 62 to rotate, so that the pushing member 62 rotates around the second square tongue fixing member 14 in time, and the pushing member 62 contacts the square tongue toggling protrusion 432 of the square tongue toggling assembly 43 and drives the square tongue toggling assembly 43 to rotate around the second square tongue fixing member 14 in time, so that the square tongue toggling sliding member 431 moves along the slide groove 422, and the square tongue connecting member 42 moves inward to retract the square tongue 41 into the lock housing assembly 1, so that the oblique tongue 21 and the square tongue 41 are retracted into the lock housing assembly 1 at the same time, and the key is used to unlock the door, and the rest is the same as any other embodiment or a combination of more than two embodiments of the present invention.

[0035] The protection scope of the present invention is not limited to the contents of the technical solutions shown in any of the above embodiments, and any method that adopts the working principle of the present invention is within the protection scope of the present invention.

Claims

1. A mechanical automatic lock body for closing and locking a door, characterized by: The mechanical automatic lock body comprises a lock housing assembly, a lock tongue assembly, a start assembly and a reverse lock assembly, wherein the lock tongue assembly, the start assembly and the reverse lock assembly are respectively arranged on the lock housing assembly, and the lock tongue assembly controls the reverse lock assembly by contacting the start assembly; The lock bolt assembly comprises an oblique bolt, an oblique bolt connecting member, an oblique bolt sliding member and an oblique bolt elastic assembly, wherein the oblique bolt is connected to the oblique bolt connecting member, the oblique bolt connecting member is arranged in the inner cavity of the lock housing assembly, the oblique bolt is movably arranged in the inner cavity of the lock housing assembly, the oblique bolt can extend out of the lock housing assembly or retract into the lock housing assembly, one end of the oblique bolt connecting member is connected to the oblique bolt sliding member, a part of the oblique bolt sliding member is perpendicular to the oblique bolt connecting member, another part of the oblique bolt sliding member is parallel to the oblique bolt connecting member, and the vertical part of the oblique bolt sliding member is connected to the oblique bolt connecting member, A groove is provided at the connection between the oblique tongue connecting member and the oblique tongue sliding member, and the oblique tongue sliding member can move in the groove; the oblique tongue elastic component is placed in the lock housing component, and the oblique tongue elastic component includes an oblique tongue elastic member and an oblique tongue elastic reset member, the oblique tongue elastic member is sleeved on the oblique tongue connecting member and connected to the oblique tongue, and the other end is connected to the oblique tongue fixing member provided on the lock housing component, the oblique tongue elastic member constitutes a telescopic mechanism of the oblique tongue, the oblique tongue elastic reset member is connected to the oblique tongue sliding member, and the oblique tongue elastic reset member constitutes a reset mechanism of the oblique tongue sliding member; the oblique tongue elastic member and the oblique tongue elastic reset member are not at the same level, the horizontal line of the oblique tongue elastic reset member is higher than the horizontal line of the oblique tongue elastic member, and they are staggered, and the oblique tongue elastic member and the oblique tongue elastic reset member are respectively arranged on both sides of the oblique tongue sliding member; The starter assembly includes a starter and a starter elastic assembly, wherein the starter is rotatably arranged in the inner cavity of the lock housing assembly, one end of the starter is connected to the starter elastic assembly and is locked with the anti-lock assembly, the starter is in close contact with the anti-lock assembly through the elastic force of the starter elastic assembly, the starter elastic assembly constitutes a reset mechanism of the starter, and the other end of the starter is arranged at a position close to the oblique tongue sliding member; The anti-locking assembly includes a square tongue, a square tongue connecting piece, a square tongue toggle assembly and a square tongue elastic assembly, the square tongue is connected to the square tongue connecting piece, the square tongue connecting piece is arranged in the inner cavity of the lock housing assembly, the square tongue connecting piece is provided with a card slot, the card slot is connected to the starting piece, the square tongue is movably arranged in the inner cavity of the lock housing assembly, the square tongue can extend out of the lock housing assembly or retract into the lock housing assembly, the square tongue connecting piece is provided with a slide groove, one end of the square tongue toggle assembly reciprocates in the slide groove of the square tongue connecting piece, the other end of the square tongue toggle assembly is connected to the square tongue elastic assembly, and the square tongue elastic assembly constitutes a reset mechanism of the square tongue toggle assembly.

2. The mechanical automatic lock body for closing and locking the door according to claim 1 is characterized in that: The oblique tongue sliding member is in an L-shaped structure, and is provided with an oblique tongue sliding through hole, which is connected to the groove of the oblique tongue connecting member. The oblique tongue sliding through hole of the oblique tongue sliding member is smaller than the groove of the oblique tongue connecting member, so that the oblique tongue sliding member can move on the oblique tongue connecting member; an elastic reset member for connecting the oblique tongue is provided at the upper end of the oblique tongue sliding through hole.

3. The mechanical automatic lock body for closing and locking the door according to claim 2 is characterized in that: The diameter of the oblique tongue sliding through hole is smaller than the diameter of the oblique tongue connecting piece, and the diameter of the oblique tongue sliding through hole is larger than the diameter of the oblique tongue connecting piece groove, so that the oblique tongue sliding piece can be movably fixed on the oblique tongue connecting piece and will not separate from the oblique tongue connecting piece.

4. The mechanical automatic lock body for closing and locking the door according to claim 1 is characterized in that: The square tongue toggle assembly is arranged in the inner cavity of the lock housing assembly in a rotatable manner, a sliding groove is arranged on the square tongue connecting piece, a square tongue toggle sliding piece is arranged at one end of the square tongue toggle assembly, the square tongue toggle sliding piece reciprocates in the sliding groove of the square tongue connecting piece, and the other end of the square tongue toggle assembly is connected to the square tongue elastic assembly.

5. The mechanical automatic lock body for closing and locking the door according to claim 1 is characterized in that: The mechanical automatic lock body also includes a toggle assembly, which is rotatably arranged in the inner cavity of the lock shell assembly. The toggle assembly includes a toggle piece and a square rod. One end of the square rod is connected to the toggle piece, and the other end of the square rod is connected to the door handle. The end of the toggle piece contacts the inclined tongue sliding piece and is on the same horizontal line as the inclined tongue elastic reset piece.

6. The mechanical automatic lock body for closing and locking the door according to claim 5 is characterized in that: The mechanical automatic lock body also includes a pushing assembly, which includes a pushing connecting piece and a pushing piece. The pushing piece is arranged in the inner cavity of the lock shell assembly in a rotatable manner. One end of the pushing connecting piece is connected to the toggle piece, and the other end is connected to the pushing piece. The pushing piece contacts the square tongue toggle assembly.

7. The mechanical automatic lock body for closing and locking the door according to claim 6 is characterized in that: The mechanical automatic lock body also includes a lock core assembly, which is inserted into the lock housing assembly and arranged on one side of the pushing connector. The lock core assembly includes a lock core member and a fork member. The fork member is rotatably arranged in the inner cavity of the lock core member. When the fork member rotates, it can contact the pushing connector to drive the pushing connector to move.

8. A burglary-proof door, characterized by: The anti-theft door comprises a mechanical automatic lock body for locking when the door is closed as claimed in any one of claims 1 to 7.

9. A locking method for a mechanical automatic lock body for closing and locking a door according to any one of claims 1 to 7, characterized in that: The locking method comprises: the inclined tongue is retracted into the lock housing assembly by receiving the external force, the inclined tongue sliding member moves backward with the movement of the inclined tongue connecting member, and at the same time, the inclined tongue sliding member is acted upon by the elastic force of the inclined tongue elastic reset member, and the inclined tongue sliding member begins to gradually tilt, and after the inclined tongue sliding member contacts and passes over the starting member, the end surface of the inclined tongue sliding member also gradually moves to the same horizontal line as the starting member, and then the inclined tongue is free from the external force, and under the action of the inclined tongue elastic member, the inclined tongue extends out of the lock housing assembly and returns to a natural state, the inclined tongue sliding member moves forward with the movement of the inclined tongue connecting member, and at the same time, the inclined tongue sliding member is less affected by the elastic force of the inclined tongue elastic reset member, and the inclined tongue sliding member begins to gradually return to the normal state, the inclined tongue sliding member contacts the starting member and toggles the starting member, and the starting member is toggled by the inclined tongue sliding member, and the other end of the starting member is separated from the state connected with the square tongue connecting member, and under the action of the square tongue toggling assembly and the elastic action of the square tongue elastic assembly, the square tongue connecting member extends out of the lock housing assembly to achieve automatic locking.

10. A method for unlocking a mechanical automatic lock body when the door is locked based on any one of claims 6 to 7, characterized in that: The unlocking method comprises: rotating the toggle member, on the one hand, causing the oblique tongue sliding member to move backward, and the oblique tongue connecting member to move backward along with the movement of the oblique tongue sliding member, only driving the square tongue to be retracted into the lock shell assembly; on the other hand, driving the pushing member to rotate by pushing the connecting member, and the pushing member drives the square tongue toggle assembly to move, overcoming the elastic effect of the square tongue elastic assembly, and the square tongue connecting member to move backward, and the square tongue is retracted into the lock shell assembly, and after the square tongue connecting member moves backward for a certain distance, the starting member locks the square tongue connecting member, the anti-locking assembly is in a stable state, and the entire lock body returns to an unlocked state.

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