CN215671564U

CN215671564U - Single-bolt lock body

Info

Publication number: CN215671564U
Application number: CN202120667400.3U
Authority: CN
Inventors: 林金伦; 林柳成; 陈浩权
Original assignee: Zhejiang Qingtaiheng Technology Co ltd
Current assignee: Zhejiang Qingtaiheng Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2022-01-28
Anticipated expiration: 2031-03-31

Abstract

The utility model relates to a single tongue lock body, which comprises a cover plate, bottom plate and panel, the bottom plate is provided with single tongue subassembly, the casting die, be used for driving single tongue subassembly to stretch out or retract into the drive plate and the plectrum of panel, casting die sliding connection is on the bottom plate, the one end of casting die is provided with the piece of stirring, the casting die middle part slides and is provided with the cover piece, the cover piece is connected with the drive plate, drive plate and plectrum all rotate with the bottom plate and are connected, the plectrum is provided with drive plate and driven plate, drive plate and casting die one end butt, driven plate and drive plate one end butt, the one end that the cover piece was kept away from to the drive plate is connected with single tongue subassembly. The pressing piece slides towards one side of the bottom plate, the pressing piece drives the shifting piece to rotate, the driven piece on the shifting piece drives the transmission piece to rotate, and the transmission piece drives the single-tongue assembly to retract into the panel; in addition, the pressing piece slides towards the other side of the bottom plate, the pressing piece drives the sleeve piece to move around the axis line of the rotating piece, the sleeve piece drives the transmission piece to rotate, the single-tongue assembly can be retracted into the panel, the number of parts of the whole lock body is small, and the structure is simple.

Description

Single-bolt lock body

Technical Field

The application relates to the technical field of lock bodies, in particular to a single-bolt lock body.

Background

Single-bolt lock bodies are the most common lock bodies, typically used on doors in offices or homes.

At present, a patent with publication number CN106013961A discloses a multifunctional American-standard mortise lock, which conventionally comprises a dead bolt assembly, an oblique bolt assembly, a handle input assembly and a motor assembly, wherein the four assemblies are assembled in a lock shell, the motor assembly is connected with the handle input assembly, and the handle input assembly respectively drives the oblique bolt assembly and the dead bolt assembly; the motor assembly comprises a clutch actuating pin connected with the handle input assembly; the handle input assembly comprises an upper input shifting block, an upper oblique tongue shifting block, a clutch rotating ring, a square tongue shifting block, a lower oblique tongue shifting block and a lower input shifting block which can rotate around the same central shaft.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the handle input assembly in the lock body has many parts, the structure is complex, and the installation and maintenance are very difficult, so the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of multiple parts and complex structure of the lock body, the application provides a single-bolt lock body.

The application provides a single tongue lock body adopts following technical scheme: the single-tongue driving device comprises a cover plate, a base plate and a panel, wherein the base plate is provided with a single-tongue assembly, a pressing piece, a driving piece and a shifting piece, the driving piece is used for driving the single-tongue assembly to stretch out or retract into the panel, the pressing piece is connected onto the base plate in a sliding mode, one end of the pressing piece is provided with a shifting piece, the middle of the pressing piece is provided with a sleeve piece in a sliding mode, the sleeve piece is connected with the driving piece, the driving piece and the shifting piece are connected with the base plate in a rotating mode, the shifting piece is provided with a driving piece and a driven piece, one end of the driving piece is abutted against one end of the pressing piece, one end of the driven piece is abutted against one end of the driving piece, and one end of the driving piece, far away from the sleeve piece, is connected with the single-tongue assembly.

By adopting the technical scheme, the pressing piece slides towards one side of the bottom plate, the pressing piece drives the shifting piece to rotate, the driven piece on the shifting piece drives the transmission piece to rotate, and the transmission piece drives the single-tongue component to retract into the panel; in addition, the pressing piece slides towards the other side of the bottom plate, the pressing piece drives the sleeve piece to move around the axis line of the rotating piece, the sleeve piece drives the transmission piece to rotate, the single-tongue assembly can be retracted into the panel, the whole lock body is few in parts, simple in structure and very convenient to install and use.

Optionally, the single tongue assembly comprises a latch tongue, a pull rod, a return spring, a guide pad and a positioning piece; the panel is provided with a tongue hole corresponding to the oblique tongue; the guide cushion is sleeved on the pull rod; the pull rod is matched with the latch bolt in a clamping way; the reset spring is arranged between the latch bolt and the guide pad and sleeved on the pull rod; the positioning piece is sleeved on the pull rod, and one end face facing the locking direction is abutted to the side wall of the transmission piece.

By adopting the technical scheme, the positioning piece and the transmission piece are in butt connection, the transmission piece can drive the positioning piece by rotating, the positioning piece drives the pull rod at the same time, and the pull rod drives the latch bolt to realize the opening and closing of the latch bolt.

Optionally, the casting die is provided with a guide plate, one end of the guide plate facing the panel is provided with a first pressure spring pad, one end of the guide plate facing away from the panel is provided with a second pressure spring pad, and one ends of the first pressure spring pad and the second pressure spring pad far away from the guide plate are provided with guide springs.

Through adopting above-mentioned technical scheme, set up deflector and guide spring and be for providing the effort that resets when doing reciprocating sliding for the casting die, can let in time reset after the casting die slides.

Optionally, guide blocks are arranged on two sides of the first pressure spring pad and the second pressure spring pad; the cover plate and the bottom plate are provided with guide grooves corresponding to the guide blocks.

Through adopting above-mentioned technical scheme, set up guide block and guide way, stability when increasing the deflector and sliding to stability when increasing the casting die.

Optionally, the bottom plate is provided with a positioning plate: the guide pad is provided with a positioning groove corresponding to the positioning plate.

Through adopting above-mentioned technical scheme, set up the setting of locating plate and constant head tank, restricted the slip of guide pad.

Optionally, the tongue hole is provided with a tongue sleeve.

Through adopting above-mentioned technical scheme, the setting of tongue cover plays the effect of direction when the latch bolt slides.

Optionally, a reversing block is arranged at one end of the pull rod, which is far away from the latch bolt, and the reversing block is provided with a cross groove; and a reversing spring is arranged between the positioning piece and the reversing block.

By adopting the technical scheme, the pull rod and the latch bolt are driven to rotate along the axial lead by using the rotating fit of the hardware tool and the cross groove, so that the function of reversing the latch bolt is realized.

Optionally, a round meson is arranged between the return spring and the guide pad; and a gasket is arranged between the guide pad and the positioning plate.

Through adopting above-mentioned technical scheme, set up circle meson and packing ring, be in order to reduce between the part contact collision and cause the wearing and tearing loss.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving piece is driven by the sliding of the pressing piece and then drives the switch of the single-tongue component, or the pressing piece drives the shifting piece, the shifting piece drives the driving piece, and the driving piece drives the switch of the single-tongue component, so that the operation is convenient and various, and the structure is simple;

2. the pull rod and the latch bolt are driven to rotate along the axial lead by the rotating fit of a hardware tool and the cross groove, so that the function of reversing the latch bolt is realized.

Drawings

FIG. 1 is a schematic overall structure of the present application;

fig. 2 is a schematic view of the structure of the bottom plate of the present application.

Description of reference numerals: 1. a cover plate; 2. a base plate; 21. a single tongue assembly; 211. a latch bolt; 212. a pull rod; 213. a return spring; 214. a guide pad; 215. positioning plates; 216. sleeving sheets; 217. positioning a groove; 218. a commutation block; 219. a cross groove; 22. pressing parts; 221. a toggle piece; 222. a guide plate; 23. a driving strap; 24. a shifting sheet; 241. an active sheet; 242. a driven plate; 25. a first compression spring pad; 251. a guide block; 26. a second pressure spring pad; 27. a guide spring; 28. a guide groove; 29. positioning a plate; 3. a panel; 31. a tongue hole; 32. a tongue cover; 4. a reversing spring; 5. a round meson; 6. a gasket; 7. a fuse assembly; 71. a square core; 72. a locking block; 73. a torsion spring; 74. a safety disc; 75. a locking end; 76. a clamping block; 77. a bevel.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a single-bolt lock body, and with reference to fig. 1 and 2, the single-bolt lock body comprises a cover plate 1, a bottom plate 2 and a panel 3. The bottom plate 2 is provided with a single tongue component 21, a pressing component 22, a transmission piece 23, a square core 71 component and a shifting piece 24. The pressing piece 22 is connected to the base plate 2 in a sliding mode, the poking piece 221 is connected to one end of the pressing piece 22, the sleeve piece 216 integrally formed with the transmission piece 23 is connected to the middle of the pressing piece 22 in a sliding mode, the transmission piece 23 and the poking piece 24 are connected with the base plate 2 in a rotating mode, the driving piece 241 and the driven piece 242 are integrally formed with the poking piece 24, the driving piece 241 is abutted to one end of the pressing piece 22, and the driven piece 242 is abutted to one end of the transmission piece 23.

Referring to fig. 1 and 2, the single tongue assembly 21 includes a latch tongue 211, a pull rod 212, a return spring 213, a guide pad 214, and a positioning piece 215. The panel 3 is provided with a tongue hole 31 corresponding to the latch tongue 211, a tongue sleeve 32 is fixedly arranged on the tongue hole 31, the tongue sleeve 32 can guide the sliding of the latch tongue 211, and meanwhile, the direct contact between the latch tongue 211 and the panel 3 is reduced, so that the noise generated by the metal friction between the latch tongue 211 and the panel 3 is reduced. The pull rod 212 is matched with the latch bolt 211 in a clamping mode, a guide pad 214, a return spring 213 and a positioning piece 215 are sleeved on the pull rod 212, the return spring 213 is arranged between the latch bolt 211 and the guide pad 214, and when the latch bolt 211 slides towards the direction opposite to the locking direction, the latch bolt 211 compresses the return spring 213. At this time, one end of the return spring 213 abuts against the latch 211 and the other end abuts against the guide pad 214, and provides a force for returning the latch 211 in the locking direction, and one end surface of the positioning piece 215 in the locking direction abuts against the side wall of the driving piece 23.

Referring to fig. 1 and 2, when the toggle member 221 drives the pressing member 22 to slide toward the panel, the pressing member 22 can drive the sleeve piece 216 to slide, and simultaneously drive the driving piece 23 to rotate, the driving piece 23 can drive the positioning piece 215 abutted against the driving piece 23 to rotate, and the positioning piece 215 can drive the pull rod 212 and the latch bolt 211 to slide in the direction opposite to the locking direction, so as to achieve the unlocking effect.

Referring to fig. 1 and 2, when the toggle member 221 drives the pressing member 22 to slide in the direction opposite to the locking direction, the pressing member 22 cannot timely drive the sleeve 216 to slide, but drives the driving plate 241 to slide, the sliding of the driving plate 241 rotates the toggle piece 24, and the rotating of the toggle piece 24 slides the driven plate 242. Finally, the driven plate 242 contacts the driving plate 23 to rotate the driving plate 23, and can drive the positioning plate 215 to slide, so that the positioning plate 215 can drive the pull rod 212 and the latch bolt 211 to slide in the opposite direction of the locking direction, and the unlocking effect can be achieved.

Referring to fig. 1 and 2, the pressing member 22 is integrally formed with a guide plate 222, a first pressure spring pad 25 is mounted at one end of the guide plate 222 facing the panel 3, a second pressure spring pad 26 is mounted at one end of the guide plate 222 facing away from the panel 3, and a guide spring 27 is connected to each of the ends of the first pressure spring pad 25 and the second pressure spring pad 26 facing away from the guide plate 222. The two sides of the first pressure spring pad 25, which are opposite to each other, and the two sides of the second pressure spring pad 26, which are opposite to each other, are integrally formed with guide blocks 251, and the cover plate 1 and the bottom plate 2 are both provided with guide grooves 28 corresponding to the guide blocks 251.

Referring to fig. 1 and 2, one end of the guide spring 27 of the first pressure spring pad 25 abuts against the panel 3, and the guide spring 27 of the second pressure spring pad 26 abuts against the bottom plate 2. When the pressing member 22 is at the initial position, the guide spring 27 is in a natural state, and when the pressing member 22 slides towards the panel, the guide plate 222 drives the first pressure spring pad 25 to slide, the guide spring 27 on the first pressure spring pad 25 is compressed, and meanwhile, a pushing force is applied to the guide plate 222, and the second pressure spring pad 26 is kept still. When the pressing member 22 slides away from the panel 3, the guide plate 222 drives the second pressure spring pad 26 to slide, the guide spring 27 on the second pressure spring pad 26 is compressed, and the first pressure spring pad 25 is kept still.

Referring to fig. 1 and 2, the guide block 251 and the guide groove 28 are arranged in a sliding fit manner, so that the sliding of the first pressure spring pad 25 and the second pressure spring pad 26 is limited, the stability of sliding is improved, and the compression element 22 also plays a role in stabilizing and limiting sliding.

Referring to fig. 1 and 2, the positioning plate 29 is integrally formed on the bottom plate 2, the positioning groove 217 corresponding to the positioning plate 29 is formed in the guide pad 214, the guide pad 214 guides the sliding of the pull rod 212 and the latch bolt 211, and the sliding of the guide pad 214 is limited by the matching of the positioning plate 29 and the positioning groove 217, so that the stability is better, and the stability of the sliding of the pull rod 212 and the latch bolt 211 is better.

Referring to fig. 1 and 2, a safety assembly 7 is further installed on the base plate 2, and the safety assembly 7 includes a square core 71, a torsion spring 73 and a safety plate 74. The square core 71 and the safety plate 74 are rotatably connected with the bottom plate 2, one end of the torsion spring 73 is hinged with the bottom plate 2, and the other end of the torsion spring is hinged with the square core 71. The safety piece 74 is integrally formed with a locking end 75, a latch 76 and a slope, and the square core 71 is integrally formed with a locking block 72. When the latch bolt 211 is in the locked state, the square core 71 is rotated by the key, the square core 71 slides on the inclined surface through the locking block 72, so that the safety plate 74 is driven to rotate to drive the locking end 75 to slide towards the positioning plate 215 until the locking end 75 is in abutting contact with one end surface of the positioning plate 215 far away from the transmission plate 23, the latch bolt 211 is limited to slide towards the unlocking direction, and the effect of safety locking is achieved. When the safety lock is unlocked, the square core 71 rotates reversely, the square core 71 drives the fixture block 76 to slide by abutting against the locking block 72, the fixture block 76 can drive the safety piece 74 to rotate, so that the locking end 75 is driven to slide, when the square core is separated from the abutting joint of the locking end 75 and the positioning plate 29 and is separated from the sliding track of the positioning plate 29, the safety lock is unlocked, the operation is convenient, the structure is simple, and the effects of safety locking and safety unlocking of the latch bolt 211 are achieved.

Referring to fig. 1 and 2, a reversing block 218 is integrally formed at one end of the pull rod 212 far away from the latch bolt 211, a cross groove 219 is formed in the reversing block 218, and a reversing spring 4 is installed between the positioning piece 215 and the reversing block 218. The pull rod 212 and the latch bolt 211 are enabled to slide towards the locking direction by inserting hardware tools into the cross slot 219 and being tightly propped up by force, when the latch bolt 211 slides out of the panel 3, the pull rod and the latch bolt 211 are driven to rotate along the axial lead by rotating the hardware tools, when the latch bolt 211 rotates 180 degrees, the latch bolt 211 can achieve the effect of reversing, and therefore the latch bolt 211 can be suitable for left-opening doors and right-opening doors.

Referring to fig. 1 and 2, a circular spacer 5 is installed between the return spring 213 and the guide pad 214, and a washer 6 is installed between the guide pad 214 and the positioning piece 215. The abrasion of parts caused by the interference friction is reduced by the round meson 5 and the gasket 6.

The implementation principle of a single-bolt lock body in the embodiment of the application is as follows: when the toggle member 221 drives the pressing member 22 to slide toward the locking direction, the pressing member 22 can drive the sleeve piece 216 to slide, and simultaneously drive the transmission piece 23 to rotate, the transmission piece 23 can drive the positioning piece 215 abutted against the transmission piece 23, and the positioning piece 215 can drive the pull rod 212 and the latch bolt 211 to slide toward the opposite direction of the locking direction, so as to achieve the unlocking effect. When the toggle member 221 drives the pressing member 22 to slide in the direction opposite to the locking direction, the pressing member 22 cannot timely drive the sleeve 216 to slide, but drives the driving plate 241 to slide, the driving plate 241 slides to rotate the toggle piece 24, and the toggle piece 24 rotates to slide the driven plate 242. Finally, the driven plate 242 drives the driving plate 23 to rotate, and can also drive the positioning plate 215 to slide, so that the positioning plate 215 can drive the pull rod 212 and the latch bolt 211 to slide in the opposite direction of the locking direction, and the unlocking effect can also be achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a single tongue lock body, includes apron (1), bottom plate (2) and panel (3), its characterized in that: the single-tongue-shaped pressing piece is characterized in that the base plate (2) is provided with a single-tongue component (21), a pressing piece (22), a driving piece (23) and a poking piece (24), the driving piece (23) and the poking piece (24) are used for driving the single-tongue component (21) to extend out of or retract into the panel (3), the pressing piece (22) is connected to the base plate (2) in a sliding mode, a poking piece (221) is arranged at one end of the pressing piece (22), a sleeve piece (216) is arranged in the middle of the pressing piece (22) in a sliding mode, the sleeve piece (216) is connected with the driving piece (23), the driving piece (23) and the poking piece (24) are both connected with the base plate (2) in a rotating mode, the poking piece (24) is provided with a driving piece (241) and a driven piece (242), the driving piece (241) is abutted to one end of the pressing piece (22), the driven piece (242) is abutted to one end of the driving piece (23), and one end, far away from the sleeve piece (216), of the driving piece (23), is connected with the single-tongue component (21).

2. The single bolt lock of claim 1, wherein: the single tongue assembly (21) comprises a latch tongue (211), a pull rod (212), a return spring (213), a guide pad (214) and a positioning sheet (215); the panel (3) is provided with a tongue hole (31) corresponding to the oblique tongue (211); the guide pad (214) is sleeved on the pull rod (212); the pull rod (212) is in clamping fit with the latch bolt (211); the return spring (213) is arranged between the latch bolt (211) and the guide pad (214) and sleeved on the pull rod (212); the positioning sheet (215) is sleeved on the pull rod (212), and one end face facing to the locking direction is abutted against the side wall of the transmission sheet (23).

3. The single bolt lock of claim 1, wherein: the pressing piece (22) is provided with a guide plate (222), one end, facing the panel (3), of the guide plate (222) is provided with a first pressure spring pad (25), one end, facing away from the panel (3), of the guide plate (222) is provided with a second pressure spring pad (26), and one ends, far away from the guide plate (222), of the first pressure spring pad (25) and one end, far away from the guide plate (222), of the second pressure spring pad (26) are provided with guide springs (27).

4. A single bolt lock body according to claim 3, wherein: guide blocks (251) are arranged on two sides of the first pressure spring pad (25) and the second pressure spring pad (26); the cover plate (1) and the bottom plate (2) are both provided with guide grooves (28) corresponding to the guide blocks (251).

5. The single bolt lock of claim 2, wherein: the bottom plate (2) is provided with a positioning plate (29); the guide pad (214) is provided with a positioning groove (217) corresponding to the positioning plate (29).

6. The single bolt lock of claim 2, wherein: the tongue hole (31) is provided with a tongue sleeve (32).

7. The single bolt lock of claim 2, wherein: one end of the pull rod (212) far away from the latch bolt (211) is provided with a reversing block (218), and the reversing block (218) is provided with a cross groove (219); a reversing spring (4) is arranged between the positioning piece (215) and the reversing block (218).

8. The single bolt lock of claim 2, wherein: a round meson (5) is arranged between the return spring (213) and the guide pad (214); and a gasket (6) is arranged between the guide pad (214) and the positioning plate (215).