CN108086809B - Transmission mechanism of lock body - Google Patents

Transmission mechanism of lock body Download PDF

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Publication number
CN108086809B
CN108086809B CN201810100668.1A CN201810100668A CN108086809B CN 108086809 B CN108086809 B CN 108086809B CN 201810100668 A CN201810100668 A CN 201810100668A CN 108086809 B CN108086809 B CN 108086809B
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China
Prior art keywords
transmission
transmission assembly
assembly
lock
piece
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Active
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CN201810100668.1A
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Chinese (zh)
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CN108086809A (en
Inventor
闵瑜
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Shenzhen Ideal Microelectronics Co ltd
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Shenzhen Ideal Microelectronics Co ltd
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Priority to CN201810100668.1A priority Critical patent/CN108086809B/en
Publication of CN108086809A publication Critical patent/CN108086809A/en
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Publication of CN108086809B publication Critical patent/CN108086809B/en
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/14Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
    • E05B63/146Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B3/00Fastening knobs or handles to lock or latch parts

Abstract

The invention discloses a transmission mechanism of a lock body. It includes the locking closure, is provided with in the locking closure: the oblique tongue component comprises an oblique tongue and a connecting rod connected with the oblique tongue; the transmission assembly is abutted against the latch bolt retaining piece of the connecting rod through the latch bolt deflector rod and is provided with a square hole matched with the handle; the clutch plate of the clutch is matched and connected with the abutting part on the transmission assembly; the reverse locking gear transmission piece is connected to the transmission assembly; and the square tongue component comprises a square tongue and a square tongue shifting piece component connected with the square tongue, and the square tongue shifting piece component is connected with the reverse lock gear transmission piece gear. The lock body transmission mechanism provided by the invention can independently lock, unlock two lock bolts and reversely lock the lock body through the handle.

Description

Transmission mechanism of lock body
Technical Field
The invention relates to the technical field of locks, in particular to a transmission mechanism of a lock body.
Background
The lock is an appliance with a sealing function and comprises a lock, a key and accessories thereof. The appearance of locks has been prolonged for thousands of years, wood locks are found in Yangshao cultural relics, bronze locks appear in the west, and metal locks are generally produced and used in east Han dynasty. The existing lock is more and more in variety, but the problem that the lock body cannot be independently locked and two lock tongues cannot be unlocked by the handle exists.
Therefore, it is an urgent need to solve the problem in the art of locks to provide a lock transmission mechanism with a handle capable of independently locking and unlocking two bolts.
Disclosure of Invention
The invention aims to provide a transmission mechanism of a lock body, which is provided with a latch bolt component, a transmission component, a clutch, a counter lock gear transmission piece and a dead bolt component and solves the problem that a handle cannot independently lock and unlock two lock bolts of the lock body.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a drive mechanism of lock body, includes the locking closure, is provided with in the locking closure and is provided with:
the oblique tongue component comprises an oblique tongue and a connecting rod connected with the oblique tongue;
the transmission assembly is abutted against a latch bolt retaining sheet on the connecting rod through a latch bolt deflector rod and is provided with a square hole matched with the handle;
the clutch plate of the clutch is matched and connected with the abutting part on the transmission assembly;
the reverse locking gear transmission piece is connected to the transmission assembly; and
the square tongue component comprises a square tongue and a square tongue shifting piece component connected with the square tongue, and the square tongue shifting piece component is connected with the reverse lock gear transmission piece gear.
Wherein, the connecting rod is provided with a compression spring in a penetrating way.
The latch bolt shifting lever comprises a circular shifting lever base and a shifting lever rod part, a plurality of limiting parts are arranged on the periphery of the shifting lever base at intervals, limiting sections are formed between every two adjacent limiting parts, and the shifting lever rod part is connected with the connecting rod.
The transmission assembly comprises a first transmission assembly and a second transmission assembly, the first transmission assembly is provided with a first square hole connected with the first handle in a matched mode, and the second transmission assembly is provided with a second square hole matched with the second handle.
The latch bolt deflector rod is positioned between the first transmission assembly and the second transmission assembly, and the first convex part of the first transmission assembly and the second convex part of the second transmission assembly are respectively positioned in different limiting areas.
The outer side of the back-locking gear transmission piece is provided with a stop block, the first transmission assembly and the second transmission assembly are both provided with arc grooves, the stop block slides in the arc grooves, the limit groove is formed in the opposite side of the stop block by the back-locking gear transmission piece, the upper portion of the second transmission assembly is provided with a third convex portion, and the third convex portion is located in the limit groove.
Wherein, still be provided with the tapered end subassembly in the locking closure, square tongue plectrum subassembly is provided with the driving lever with tapered end subassembly matched with.
Wherein, still be provided with key drive assembly in the locking closure, key drive assembly's one end and tapered end subassembly cooperation are connected, and key drive assembly's the other end is arranged in spacing district.
Wherein, key drive assembly includes first key drive piece and second key drive piece, and the one end and the tapered end subassembly of first key drive piece are connected, and the other end and the one end of second key drive piece of first key drive piece are connected, and the other end setting of second key drive piece is in spacing district.
The invention has the beneficial effects that: the invention provides a transmission mechanism of a lock body, which comprises a lock cover, wherein an oblique bolt component, a clutch, a transmission component, a reverse locking gear transmission piece and a square bolt component are arranged in the lock cover, and the oblique bolt component comprises an oblique bolt and a connecting rod connected with the oblique bolt; the clutch plate of the clutch is matched and connected with the abutting part on the transmission assembly, the transmission assembly abuts against the latch stop piece on the connecting rod through the latch lifting lever, the transmission assembly is provided with a square hole matched with the handle, the reverse locking gear transmission plate is connected to the transmission assembly, and the latch assembly is in gear connection with the reverse locking gear transmission plate through the latch lifting lever assembly. The handle is arranged in a square hole of the transmission assembly, the handle drives the transmission assembly to rotate clockwise, the abutting part of the transmission assembly abuts against a clutch plate of the clutch to prevent the transmission assembly from continuing rotating, the transmission assembly stirs the latch bolt deflector rod, the latch bolt deflector rod drives a latch bolt blocking piece of the latch bolt assembly to drive into the latch bolt, and the latch bolt is opened; the handle is rotated clockwise, the handle drives the transmission assembly to rotate, the transmission assembly dials the reverse locking gear transmission piece, the reverse locking gear transmission piece drives the square tongue shifting piece assembly through a gear, the square tongue shifting piece assembly is driven into the square tongue, and the square tongue is opened; when the handle is driven anticlockwise, the handle drives the transmission assembly, the transmission assembly drives the reverse locking gear transmission piece, the reverse locking gear transmission piece gear drives the square bolt shifting piece assembly, the square bolt shifting piece assembly drives the square bolt, and the lock body is reversely locked. The lock body transmission mechanism provided by the invention can independently lock, unlock two lock bolts and reversely lock the lock body through the handle.
Drawings
Fig. 1 is a schematic perspective view of a transmission mechanism of a lock body according to the present invention.
Fig. 2 is a schematic view of the transmission assembly of the present invention.
Fig. 3 is a schematic structural view of the latch dog driver of the present invention.
Figure 4 is a schematic structural diagram of the transmission mechanism of the lock body of the invention.
The reference numbers are as follows:
1-oblique bolt component, 2-transmission component, 3-oblique bolt deflector rod, 4-clutch, 5-back locking gear transmission piece, 6-square bolt deflector piece component, 7-square bolt component, 8-lock head component and 9-key transmission component;
11-latch bolt, 12-connecting rod, 21-first transmission component, 211-first convex part, 212-abutting part, 22-second transmission component, 221-third convex part, 31-driving lever part, 32-driving lever base, 33-limiting part, 41-clutch plate, 51-limiting groove, 52-stop block, 61-driving lever, 91-first key transmission plate and 92-second key transmission plate.
Detailed Description
The technical scheme of the invention is further explained by the specific embodiment in combination with the attached drawings.
Referring to fig. 1, the present embodiment provides a transmission mechanism of a lock body, including a lock cover, a latch bolt assembly 1, a transmission assembly 2, a clutch 4, a reverse lock gear transmission piece 5 and a latch bolt assembly 7 are disposed in the lock cover, the latch bolt assembly 1 includes a latch bolt 11 and a connection rod 12 connected to the latch bolt 11, the connection rod 12 is provided with a compression spring in a penetrating manner, the transmission assembly 2 is abutted to a latch bolt catch on the connection rod 12 through a latch bolt driving lever 3, and the transmission assembly 2 is provided with a square hole matched with a handle; the clutch plate 41 of the clutch 4 is in fit connection with the abutment 212 on the transmission assembly 2; the back locking gear transmission piece 5 is connected to the transmission component 2; the square tongue component 7 is in gear connection with the counter lock gear transmission piece 5 through the square tongue shifting piece component 6.
In the transmission mechanism of the lock body provided by the embodiment, the handle is installed in the square hole of the transmission assembly 2, the handle drives the transmission assembly 2 to rotate clockwise, the abutting part 212 of the transmission assembly 2 abuts against the clutch plate 41 of the clutch 4 to prevent the transmission assembly 2 from continuing to rotate, the transmission assembly 2 stirs the latch bolt deflector rod 3, the latch bolt deflector rod 3 drives the latch bolt blocking piece on the connecting rod 12 of the latch bolt assembly 1 to drive the latch bolt 11, and the latch bolt 11 is opened; the handle is rotated clockwise, the handle drives the transmission assembly 2 to rotate, the transmission assembly 2 dials the reverse locking gear transmission piece 5, the reverse locking gear transmission piece 5 drives the square bolt shifting piece assembly 6 through a gear, the square bolt shifting piece assembly 6 is driven into the square bolt, and the square bolt is opened; in addition, when the handle is driven anticlockwise, the handle drives the transmission assembly 2, the transmission assembly 2 drives the reverse locking gear transmission piece 5, the reverse locking gear transmission piece 5 drives the square bolt shifting piece assembly 6 through a gear, the square bolt is punched by the square bolt shifting piece assembly 6, and the lock body is reversely locked. The lock body transmission mechanism provided by the invention can unlock two lock tongues and independently lock through the handle.
Referring to fig. 2 and 3, specifically, the latch lifting lever 3 includes a circular ring-shaped lever base 32 and a lever rod portion 31, a plurality of limiting portions 33 are disposed at intervals on the periphery of the lever base 32, a limiting region is formed between adjacent limiting portions 33, the lever rod portion 31 abuts against a latch catch of the connecting rod 12, the transmission assembly 2 includes a first transmission assembly 21 and a second transmission assembly 22, the first transmission assembly 21 is provided with a first square hole connected with a first handle in a matching manner, a second transmission assembly 22 is provided with a second square hole matched with a second handle, the latch lifting lever 3 is located between the first transmission assembly 21 and the second transmission assembly 22, and a first convex portion 211 of the first transmission assembly 21 and a second convex portion of the second transmission assembly 22 are located in different limiting regions respectively. In this embodiment, the square hole of the first transmission assembly 21 is connected to the first handle, the first handle is rotated to drive the first transmission assembly 21 to rotate clockwise, the first protrusion 211 on the first transmission assembly 21 rotates from the one end limiting part 33 of the limit area of the latch bolt driving lever 3 to the other end limiting part 33, the other end limiting part 33 drives the latch bolt driving lever 3 to rotate, the driving lever part 31 of the latch bolt driving lever 3 drives the latch bolt assembly 1 to drive the latch bolt 11, and the opening of the first handle is realized; similarly, the square hole of the second transmission assembly 22 is connected with the second handle, the second handle is rotated, the second handle drives the second transmission assembly 22 to rotate, the second convex part on the second transmission assembly 22 rotates from the limiting part 33 at one end of the limiting area to the limiting part 33 at the other end of the limiting area, the limiting part 33 at the other end drives the latch bolt driving lever 3 to rotate, the driving lever rod part 31 of the latch bolt driving lever 3 drives the latch bolt assembly 1 to be driven into the latch bolt 11, and the door opening of the second handle is realized.
In addition, the outside of the back locking gear transmission piece 5 is provided with a stop block 52, the first transmission component 21 and the second transmission component 22 are both provided with arc-shaped grooves, the stop block 52 slides in the arc-shaped grooves, the lock cover is also provided with a lock head component 8, and the square tongue shifting piece component 6 is provided with a shifting rod 61 matched with the lock head component 8. Additionally, the reverse lock gear transmission piece 5 is further provided with a limiting groove 51 at the opposite side of the stop block 52, the upper portion of the second transmission assembly 22 is provided with a third protrusion 221, and the third protrusion 221 is located in the limiting groove 51.
The process of unlocking the back lock of the first handle and the second handle comprises the following steps: the second handle rotates anticlockwise, the second handle drives the second transmission assembly 22 to rotate anticlockwise, the lower bottom of the arc-shaped groove in the second transmission assembly 22 is abutted to the stop block 52 to drive the reverse locking gear transmission piece 5 to rotate, the reverse locking gear transmission piece 5 drives the square bolt shifting piece assembly 6 to transmit, and the square bolt is formed by the square bolt shifting piece assembly 6. As an additional anti-locking point, when the lower bottom of the arc-shaped groove on the second transmission assembly 22 is abutted with the stop block 52 to drive the anti-locking gear transmission piece 5 to rotate, the third convex part 221 on the second transmission assembly 22 is abutted with one side of the limiting groove 51, the third convex part 221 can also drive the anti-locking gear transmission piece 5 to rotate, the anti-locking gear transmission piece 5 drives the square tongue shifting piece assembly 6 to transmit through a gear, and the square tongue is arranged on the square tongue shifting piece assembly 6. When the first handle is adopted for unlocking the reverse lock: the first handle is rotated clockwise, the first handle drives the first transmission component 21, the lower bottom of the arc-shaped groove of the first transmission component 21 is abutted with the stop block 52 to drive the reverse locking gear transmission piece 5 to rotate, the reverse locking gear transmission piece 5 drives the square tongue shifting piece component 6 to transmit, and the square tongue is arranged on the square tongue shifting piece component 6. In addition, the function of back locking or back locking unlocking can be realized by inserting a key into the lock head assembly 8, the key is inserted into the lock head assembly 8, the key is screwed, the key drives the elastic sheet in the lock head, the elastic sheet drives the square tongue shifting sheet assembly 6 to transmit through the shifting rod 61 of the square tongue shifting sheet assembly 6, and the square tongue assembly 7 drives the square tongue in or out, so that the function of back locking or back locking unlocking is realized.
Referring to fig. 4, a key transmission assembly 9 is further disposed in the lock cover, one end of the key transmission assembly 9 is connected with the lock head assembly 8 in a matching manner, and the other end of the key transmission assembly 9 is located in the limit region, specifically, the key transmission assembly 9 includes a first key transmission piece 91 and a second key transmission piece 92, one end of the first key transmission piece 91 is connected with the lock head assembly 8, the other end of the first key transmission piece 91 is connected with one end of the second key transmission piece 92, and the other end of the second key transmission piece 92 is disposed in the limit region.
The transmission mechanism in the embodiment can realize the key opening of the latch bolt 11 through the key transmission assembly 9, and the specific process is as follows: when a key is inserted into the lock assembly 8, the key is turned, the key drives the elastic sheet in the lock assembly 8, the elastic sheet pushes the first key driving sheet 91, the first key driving sheet 91 drives the second key driving sheet 92, the second key driving sheet 92 pushes the latch lifting lever 3 to rotate, and the latch blocking sheet on the latch lifting lever 3 drives out or into the latch 11.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (4)

1. The utility model provides a drive mechanism of lock body, includes the locking closure, its characterized in that, be provided with in the locking closure:
the oblique tongue component (1), the oblique tongue component (1) comprises an oblique tongue (11) and a connecting rod (12) connected with the oblique tongue (11);
the transmission assembly (2) is abutted to a latch bolt retaining sheet on the connecting rod (12) through a latch bolt deflector rod (3), and the transmission assembly (2) is provided with a square hole matched with the handle;
the clutch (4), the clutch plate (41) of the clutch (4) is matched and connected with the abutting part (212) on the transmission assembly (2);
the reverse locking gear transmission piece (5) is connected to the transmission assembly (2); and
the square tongue component (7), the square tongue component (7) includes the square tongue and the square tongue plectrum component (6) connected with the square tongue, the square tongue plectrum component (6) is connected with the reverse lock gear transmission piece (5) through a gear;
the latch bolt shifting lever (3) comprises a circular shifting lever base (32) and a shifting lever rod part (31), a plurality of limiting parts (33) are arranged on the periphery of the shifting lever base (32) at intervals, a limiting area is formed between every two adjacent limiting parts (33), and the shifting lever rod part (31) is connected with the connecting rod (12); the transmission assembly (2) comprises a first transmission assembly (21) and a second transmission assembly (22), the first transmission assembly (21) is provided with a first square hole matched and connected with the first handle, and the second transmission assembly (22) is provided with a second square hole matched with the second handle; the latch bolt deflector rod (3) is positioned between the first transmission assembly (21) and the second transmission assembly (22), and a first convex part (211) of the first transmission assembly (21) and a second convex part of the second transmission assembly (22) are respectively positioned in different limiting areas; a stop block (52) is arranged on the outer side of the reverse locking gear transmission piece (5), arc-shaped grooves are formed in the first transmission assembly (21) and the second transmission assembly (22), the stop block (52) slides in the arc-shaped grooves, a limiting groove (51) is formed in one side, opposite to the stop block (52), of the reverse locking gear transmission piece (5), a third convex portion (221) is formed in the upper portion of the second transmission assembly (22), and the third convex portion (221) is located in the limiting groove (51); a lock head assembly (8) is further arranged in the lock cover, and the square tongue shifting piece assembly (6) is provided with a shifting rod (61) matched with the lock head assembly (8).
2. A lock body transmission mechanism according to claim 1, characterized in that the connecting rod (12) is provided with a compression spring through.
3. The transmission mechanism of a lock body according to claim 1, wherein a key transmission assembly (9) is further disposed in the lock cover, one end of the key transmission assembly (9) is connected to the lock head assembly (8) in a matching manner, and the other end of the key transmission assembly (9) is located in the limiting area.
4. The transmission mechanism of a lock body according to claim 3, wherein the key transmission assembly (9) comprises a first key transmission plate (91) and a second key transmission plate (92), one end of the first key transmission plate (91) is connected with the lock head assembly (8), the other end of the first key transmission plate (91) is connected with one end of the second key transmission plate (92), and the other end of the second key transmission plate (92) is arranged in the limiting region.
CN201810100668.1A 2018-02-01 2018-02-01 Transmission mechanism of lock body Active CN108086809B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201810100668.1A CN108086809B (en) 2018-02-01 2018-02-01 Transmission mechanism of lock body

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CN108086809B true CN108086809B (en) 2023-03-31

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CN110206411B (en) * 2019-04-27 2024-04-02 佛山市高远智能科技有限公司 Semi-automatic lock body
CN111720494B (en) * 2019-11-27 2021-10-26 忠恒集团有限公司 Gear driving structure

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