Lock body with variable unlocking modes

Abstract

The utility model discloses a lock body with variable unlocking modes, which comprises a lock shell, a latch bolt, a main lock plate, a shifting fork and a lock cylinder shifting block, and is characterized in that an upper shifting piece and a lower shifting piece which are in running fit with the shifting fork are sleeved on the shifting fork, and a latch bolt shifting piece and a variable shifting piece which rotate along with the shifting fork are sleeved on the shifting fork; the latch bolt shifting piece can drive the latch bolt to move, a push rod is detachably arranged on the variable shifting piece, when the push rod is installed on the variable shifting piece, the shifting fork drives the variable shifting piece and the latch bolt shifting piece to rotate, and meanwhile the variable shifting piece can push the upper shifting piece or the lower shifting piece to rotate through the push rod. The shifting fork only drives the variable shifting piece and the latch bolt shifting piece to rotate; the lock body has the advantages that when the push rod is installed, the lock body can be locked and unlocked through the handle and the key, after the push rod is detached, the lock body can only be unlocked through the key, the unlocking mode is very convenient to replace, and a user can use the lock conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lock body, especially to a lock body with variable unlocking mode. BACKGROUND

[0002] The lock body is one of the components of the lock, and there are many kinds of lock bodies, such as one-way lock body, three-way lock body, four-way lock body, etc. The lock body is generally used on the security door and is responsible for the basic anti-theft work of the security door. The lock cylinder controls the operation of the lock body, and the lock body is responsible for opening and locking the door and window, playing an important role in anti-theft.

[0003] According to the use requirements of customers, different customers need different unlocking modes of the lock, or, according to the passage of time, the same user will also change the unlocking mode of the lock. Some existing locks can be unlocked and locked by handle and key at the same time, and some locks can be locked by handle and key, but cannot be unlocked by handle. When the user wants to change the unlocking mode of the door lock, the user can only purchase and install a new lock body, which is very inconvenient. CONTENT OF THE UTILITY MODEL

[0004] The utility model solves the technical problem of providing a lock body with variable unlocking mode which is very convenient to switch.

[0005] The utility model adopts the technical scheme that the lock body with variable unlocking mode comprises a lock shell, a latch and a main lock plate which can be extended out of the lock shell are arranged in the lock shell, a yoke and a lock cylinder yoke block are further arranged in the lock shell, a handle is inserted into the yoke to drive the yoke to rotate along its own axis, a key is inserted into the lock cylinder yoke block to drive the lock cylinder yoke block to rotate along its own axis, an upper yoke piece and a lower yoke piece which are in rotary cooperation with the yoke are sleeved on the yoke, the upper yoke piece can drive the latch and the main lock plate to move, the lower yoke piece can drive the main lock plate to move, a latch yoke piece and a variable yoke piece which rotate with the yoke are sleeved on the yoke, the latch yoke piece can drive the latch to move, the variable yoke piece is detachably provided with a push rod, when the push rod is installed on the variable yoke piece, the yoke drives the variable yoke piece and the latch yoke piece to rotate, and the variable yoke piece can drive the upper yoke piece or the lower yoke piece to rotate through the push rod, when the push rod is detached from the variable yoke piece, the yoke only drives the variable yoke piece and the latch yoke piece to rotate.

[0006] The further preferred scheme of the utility model is that the first tab and the second tab are arranged on the upper yoke piece, the first tab is clamped with the end of the latch, and the second tab is connected with a transmission plate, and the transmission plate is connected with the main lock plate.

[0007] The further preferred scheme of the utility model is that the third tab and the fourth tab are arranged on the lower yoke piece, the third tab is connected with a connecting plate, the connecting plate is connected with the main lock plate, and the fourth tab is connected with a push plate.

[0008] The further preferred scheme of the utility model is: when the push rod is installed on the variable dial piece, the push rod is located between the first tab and the second tab.

[0009] The further preferred scheme of the utility model is: transmission parts are arranged between the connecting plate and the push plate, the transmission parts are rotatably connected on the lock shell, and the transmission parts are connected with the main lock plate and can drive the main lock plate to move.

[0010] The further preferred scheme of the utility model is: transmission rods are arranged on the transmission parts, grooves are arranged on the main lock plate, and the transmission rods are clamped in the grooves.

[0011] The further preferred scheme of the utility model is: the lock shell is further provided with transmission tabs coaxially arranged with the transmission parts, the transmission tabs are rotatably connected with the transmission plate, and the transmission tabs are further connected with the transmission rods.

[0012] The further preferred scheme of the utility model is: the push rod is a screw, and the screw is threadedly connected on the variable dial piece.

[0013] The further preferred scheme of the utility model is: the lock shell is provided with an opening hole corresponding to the push rod.

[0014] Compared with the prior art, the utility model has the advantages that a push rod is detachably arranged on the variable dial piece, when the push rod is installed on the variable dial piece, the fork drives the variable dial piece and the latch dial piece to rotate, meanwhile, the variable dial piece can drive the upper dial piece or the lower dial piece to rotate through the push rod, when the push rod is detached from the variable dial piece, the fork only drives the variable dial piece and the latch dial piece to rotate, when the push rod is installed, the lock body can be locked and unlocked through the handle and the key, when the push rod is detached, the lock body can only be unlocked through the key, the unlocking mode is very convenient to replace, and the user can use conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in detail below in combination with the drawings and preferred embodiments, but the person skilled in the art will appreciate that these drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be regarded as the limitation to the scope of the utility model. In addition, unless specifically pointed out, the drawings only schematically show the composition or structure of the described object conceptually and can contain exaggerated display, and the drawings are not necessarily drawn to scale.

[0016] Figure 1 It is the structure schematic view of the preferred embodiment of the utility model;

[0017] Figure 2 It is the schematic view of the utility model in the locked state;

[0018] Figure 3 is a schematic view of the utility model in the unlocking state;

[0019] Figure 4 is a schematic view of the utility model in the unlocking state; Figure 1 ;

[0020] Figure 5 is a schematic view of the utility model in the unlocking state; Figure 2 ;

[0021] Figure 6 is a schematic view of the utility model in the unlocking state;

[0022] Figure 7 is a schematic view of the utility model in the unlocking state;

[0023] Figure 8 is a schematic view of the utility model in the unlocking state.

[0024] In the drawing: 1, lock shell;11, lock body panel;12, latch bolt;13, main lock plate;131, guide groove;14, spring;15, fork;16, lock core pushing block;17, recess;18, opening;2, latch bolt pushing piece;21, pushing knob;22, upper pushing piece;23, lower pushing piece;24, first tab;25, second tab;26, transmission plate;27, third tab;28, fourth tab;29, connecting plate;210, pushing plate;3, transmission member;31, transmission rod;4, transmission piece;5, variable pushing piece;51, push rod. DETAILED DESCRIPTION

[0025] The preferred embodiments of the utility model will be described in detail below with reference to the drawings. Those skilled in the art will appreciate that these descriptions are merely descriptive, exemplary, and should not be interpreted as limiting the scope of protection of the utility model.

[0026] It should be noted that: similar reference numerals represent similar items in the following drawings, so once an item is defined in one drawing, it can no longer be further defined and explained in subsequent drawings.

[0027] The unlocking mode variable lock body comprises a lock shell 1, and the side of the lock shell 1 is provided with a lock body panel 11.

[0028] The lock shell 1 is provided with a latch bolt 12 and a main lock plate 13, and the latch bolt 12 and the main lock plate 13 can all extend out of the lock body panel 11, a spring 14 is sleeved on the latch bolt 12, and the spring 14 always gives the latch bolt an extending force out of the lock body panel 11.

[0029] The main lock plate 13 is provided with a guide groove 131, and the main lock plate 131 moves along the guide groove 131.

[0030] The lock shell 1 is further provided with a tumbler 15 and a lock core tumbler 16. The handle is inserted into the tumbler 15 to drive the tumbler 15 to rotate along its own axis. The key is inserted into the lock core tumbler 16 to drive the lock core tumbler 16 to rotate along its own axis.

[0031] The tumbler 15 is sleeved with a latch tumbler 2. The latch tumbler 2 rotates simultaneously with the rotation of the tumbler 15. The latch tumbler 2 is provided with a tumbler 21 extending therefrom. The tumbler 21 abuts against the end of the latch 12. After the tumbler 15 is rotated, the latch tumbler 2 pushes the latch 12 to move through the tumbler 21.

[0032] The tumbler 15 is sleeved with an upper tumbler 22 and a lower tumbler 23. The upper tumbler 22 can drive the latch 12 and the main lock plate 13 to move. The lower tumbler 23 can drive the main lock plate 13 to move. The upper tumbler 22 and the lower tumbler 23 are in rotational cooperation with the tumbler 15, that is, the tumbler 15 cannot directly drive the upper tumbler 22 and the lower tumbler 23 to rotate.

[0033] The upper tumbler 22 is provided with a first tab 24 and a second tab 25 extending therefrom. The first tab 24 is connected with the end of the latch 12. The second tab 25 is connected with a transmission plate 26. The transmission plate 26 is connected with the main lock plate 13.

[0034] The lower tumbler 23 is provided with a third tab 27 and a fourth tab 28 extending therefrom. The third tab 27 is connected with a connecting plate 29. The connecting plate 29 is connected with the main lock plate 13. The fourth tab 28 is connected with a push plate 210.

[0035] The connecting plate 29 and the push plate 210 are provided with a transmission member 3. The two ends of the transmission member 3 are respectively rotatably connected with the connecting plate 29 and the push plate 210. The transmission member 3 is rotatably connected with the lock shell 1. The transmission member 3 is connected with the main lock plate 13 to drive the main lock plate 13 to move.

[0036] The transmission member 3 is provided with a transmission rod 31. The main lock plate 13 is provided with a groove 17. The transmission rod 31 is clamped in the groove 17.

[0037] The lock shell 1 is further provided with a transmission plate 4 coaxially arranged with the transmission member 3. The transmission plate 4 is rotatably connected with the transmission plate 26. The transmission plate 4 is further connected with the transmission rod 31.

[0038] When the lock is opened by the key, the key drives the lock core tumbler 16 to rotate. The lock core tumbler 16 pushes the transmission plate 26 to move. The transmission plate 26 drives the upper tumbler 22 to rotate. The upper tumbler 22 pushes the latch 12 to retract into the lock shell 1. At the same time, the transmission plate 26 pushes the transmission rod 31 to move through the transmission plate 4. The transmission rod 31 pushes the main lock plate 13 to retract into the lock shell 1, that is, the lock is opened. After the lock is opened, the latch 12 extends out of the lock shell 1 under the action of the spring 14.

[0039] When unlocked by the key, the key drives the lock core block 16 to rotate reversely, the lock core block 16 pushes the push plate 210 to move, the push plate 210 drives the transmission member 3 to rotate, the transmission member 3 drives the main lock plate 13 to extend out of the lock shell 1 through the transmission rod 31, and the locking is completed.

[0040] The variable pushing piece 5 is sleeved on the yoke 15 and rotates with the yoke 15, the push rod 51 is detachably arranged on the variable pushing piece 5, preferably, the push rod 51 is a screw, and the push rod 51 is threadedly connected with the variable pushing piece 5, so that the push rod 51 is convenient to disassemble and assemble.

[0041] The lock shell 1 is further provided with the opening hole 18 corresponding to the position of the push rod 51, and the user can directly disassemble and assemble the push rod 51 through the opening hole 18 without disassembling the lock body.

[0042] When the push rod 51 is arranged on the variable pushing piece 5, the yoke 15 drives the variable pushing piece 5 and the latch pushing piece 2 to rotate, and the variable pushing piece 5 can drive the upper pushing piece 22 or the lower pushing piece 23 to rotate through the push rod 51.

[0043] When the push rod 51 is arranged on the variable pushing piece 5, the push rod 51 is located between the first tab 24 and the second tab 25.

[0044] When the push rod 51 is arranged on the variable pushing piece 5, the handle drives the yoke 15 to rotate, the yoke 15 drives the latch pushing piece 2 to rotate, the latch pushing piece 2 drives the latch 12 to retract into the lock shell 1, the yoke 15 drives the variable pushing piece 5 to rotate, the variable pushing piece 5 drives the upper pushing piece 22 to rotate through the push rod 51, the upper pushing piece 22 also drives the latch 12 to move, and the upper pushing piece 22 drives the transmission plate 26 to move, the transmission plate 26 drives the transmission rod 31 to move through the transmission piece 4, the transmission rod 31 drives the main lock plate 13 to retract into the lock shell 1, and the unlocking is completed.

[0045] When the handle is unlocked, the handle drives the yoke 15 to rotate, the yoke 15 drives the variable pushing piece 5 to rotate, the variable pushing piece 5 drives the lower pushing piece 23 to rotate through the push rod 51, the lower pushing piece 23 drives the transmission member 3 to rotate, the transmission member 3 drives the main lock plate 13 to extend out of the lock shell 1 through the transmission rod 31, and the locking is completed.

[0046] When the push rod 51 is removed from the variable dial 5, the handle is turned to drive the fork 15 to rotate, the fork 15 drives the latch dial 2 to rotate, the latch 12 can retract into the lock shell 1, the fork 15 drives the variable dial 5 to rotate at the same time, but since the push rod 51 has been removed, the variable dial 5 is in an idle state, and the variable dial 5 cannot drive the upper dial 22 to rotate. Similarly, when unlocking is required, the handle is turned to drive the fork 15 to rotate, the fork 15 can only drive the variable dial 5 to rotate, and the variable dial 5 cannot drive the lower dial 23 to rotate. At this time, only the key can be used to lock and unlock.

[0047] In the description of the utility model, it should be explained that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model.

[0048] The above describes the lock mode variable lock body provided by the utility model in detail, the principle and implementation mode of the utility model are described in this paper by applying specific examples, and the above embodiment is only used to help understand the utility model and core idea. It should be pointed out that for ordinary skilled persons in the technical field, the utility model can be improved and modified on the premise of not departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A lock body with a variable unlocking method, comprising a lock shell, wherein the lock shell contains a bolt and a main lock plate that can extend out of the lock shell, and the lock shell also contains a fork and a lock cylinder block, wherein a handle is inserted into the fork to drive the fork to rotate along its own axis, and a key is inserted into the lock cylinder block to drive the lock cylinder block to rotate along its own axis, characterized in that: The shifter is sleeved with an upper shifting piece and a lower shifting piece which are in rotation cooperation with the shifter, the upper shifting piece can drive the latch and the main lock plate to move, the lower shifting piece can drive the main lock plate to move, the shifter is sleeved with a latch shifting piece and a variable shifting piece which follow the rotation of the shifter, the latch shifting piece can drive the latch to move, the variable shifting piece is detachably provided with a push rod, when the push rod is installed on the variable shifting piece, the shifter drives the variable shifting piece and the latch shifting piece to rotate, meanwhile the variable shifting piece can drive the upper shifting piece or the lower shifting piece to rotate through the push rod, when the push rod is detached from the variable shifting piece, the shifter only drives the variable shifting piece and the latch shifting piece to rotate.

2. The lock body according to claim 1, wherein: The upper shifting piece is provided with a first tab and a second tab, the first tab is connected with the end of the latch, the second tab is connected with a transmission plate, and the transmission plate is connected with the main lock plate.

3. The lock body according to claim 2, wherein: The lower shifting piece is provided with a third tab and a fourth tab, the third tab is connected with a connecting plate, the connecting plate is connected with the main lock plate, and the fourth tab is connected with a push plate.

4. The lock body according to claim 3, wherein: When the push rod is installed on the variable shifting piece, the push rod is located between the first tab and the second tab.

5. The lock body of claim 3, wherein: A transmission member is arranged between the connecting plate and the push plate, the transmission member is rotationally connected on the lock shell, the transmission member is connected with the main lock plate and can drive the main lock plate to move.

6. The lock body of claim 5, wherein: A transmission rod is arranged on the transmission member, a recess is arranged on the main lock plate, and the transmission rod is clamped in the recess.

7. The lock body of claim 6, wherein: A transmission piece is coaxially arranged in the lock shell and is connected with the transmission member, the transmission piece is rotationally connected with the transmission plate, and the transmission piece is clamped with the transmission rod.

8. The lock body of claim 1, wherein: The push rod is a screw, and the screw is threadedly connected on the variable shifting piece.

9. The lock body of claim 1, wherein: An opening is arranged on the lock shell and corresponds to the position of the push rod.

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