CN218715932U - Lock body capable of being unlocked quickly - Google Patents

Abstract

The utility model discloses a lock body capable of quickly unlocking, which comprises a box body, a first lock tongue mechanism and a second lock tongue mechanism, wherein the first lock tongue mechanism and the second lock tongue mechanism are arranged in the box body, the first lock tongue mechanism comprises a first lock tongue, a first reset spring for driving the first lock tongue to pop out, a first gear assembly rotationally connected in the box body, and a driving lever which is arranged on the first gear assembly and is used for driving the first lock tongue to contract; the second spring bolt mechanism is including the second spring bolt, rotate connect in second gear assembly and driving medium in the box body, second gear assembly and first gear assembly intermeshing, be provided with on the second gear assembly and be used for driving the swing arm that the driving medium goes up and down, take shape on the second spring bolt has the slant spout, take shape simultaneously on this driving medium have with slant spout sliding fit's driving medium arch, go up and down to drive the second spring bolt through the driving medium and stretch out and draw back.

Description

Lock body capable of being unlocked quickly

Technical Field

The utility model relates to a hardware fitting technical field especially relates to a lock body that can unblank fast.

Background

At present, in the field of household side hung doors, the door leaf is opened and locked by mounting accessories such as a hinge, a lock body, a handle, a lock cylinder and the like on the side hung door. The lock bodies in the market have the following problems: 1. the lock body is generally provided with two bolt latching door leaves which are respectively an oblique bolt and a square bolt, and the oblique bolt and the square bolt are usually independently latched, namely, the handle controls the oblique bolt, and the lock cylinder controls the square bolt, so that the door leaf needs to be opened by two steps of operation; 2. the direction of the lock latch bolt can be changed after the lock body is disassembled, so that the installation cost is increased; 3. when a fire disaster happens to the lock body, the lock body needs to be unlocked through the lock cylinder and the handle, the lock body cannot be unlocked quickly, or a fire fighter needs to blast the door lock or the door leaf, so that the optimal rescue time is missed, and the life and property of a user are lost.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide a novel structure reliably can realize the lock body that can unblank fast that double-lock bolt unblanked fast.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: a lock body capable of being unlocked rapidly comprises a box body, a first lock tongue mechanism and a second lock tongue mechanism, wherein the first lock tongue mechanism and the second lock tongue mechanism are arranged in the box body, and the first lock tongue mechanism comprises a first lock tongue, a first reset spring for driving the first lock tongue to pop out, a first gear assembly rotationally connected to the inside of the box body, and a shifting lever arranged on the first gear assembly and used for driving the first lock tongue to contract; the second spring bolt mechanism is including the second spring bolt, rotate connect in second gear assembly and driving medium in the box body, second gear assembly and first gear assembly intermeshing, be provided with on the second gear assembly and be used for driving the swing arm that the driving medium goes up and down, take shape on the second spring bolt has the slant spout, take shape simultaneously on this driving medium have with slant spout sliding fit's driving medium arch, go up and down to drive the second spring bolt through the driving medium and stretch out and draw back.

The utility model has the advantages that: the utility model discloses a lock body that can unblank fast, mutual linkage between its first spring bolt and the second spring bolt can realize unblanking the shutting in step, has both improved the security of lock body, has also simplified the step of unblanking and shutting, and the using-way is more convenient. Specifically because second gear assembly and first gear assembly intermeshing, therefore both can synchronous rotation, and when first gear assembly rotated, its driving lever can drive the shrink of first spring bolt, and when first gear assembly antiport, its driving lever disappeared to the drive effect of first spring bolt, and first spring bolt pops out under first reset spring's drive. When the second gear assembly rotates, the swing arm on the second gear assembly drives the transmission piece to lift, and the oblique sliding groove on the second lock tongue is in sliding fit with the protrusion of the transmission piece, so that the second lock tongue can be driven to stretch when the transmission piece lifts.

Preferably, the lock comprises a lock cylinder and a lock block, the lock block is slidably connected inside the box body, when the lock block slides to a first position, the lock block blocks the second lock tongue from contracting, and when the lock block slides to a second position, the second lock tongue freely stretches and contracts; the lock core is rotationally connected with a cam, and the cam drives the lock block to move between a first position point and a second position point. The cam can be driven to rotate by screwing the lock cylinder, so that the lock block moves between a first position point and a second position point, and unlocking and locking are realized.

Preferably, the first gear assembly is including rotating the thumb wheel of connecting in the box body, rotate connect in first gear on the thumb wheel and with the synchronous pivoted runner of first gear, the driving lever shaping is on the runner, it has the arc spacing groove to open on the thumb wheel, is provided with the first gear arch with arc spacing groove sliding fit on the first gear simultaneously. The arc spacing groove can restrict relative pivoted angle between first gear and the thumb wheel, and when the thumb wheel rotated at the angular range internal rotation that the arc spacing groove was injectd, first gear can not rotate in step, only when the thumb wheel rotated to its arc spacing groove and the protruding conflict of first gear, first gear and thumb wheel just can rotate along with the thumb wheel is synchronous, and its structure can avoid leading to the lock body to be opened by mistake because of the maloperation in a certain extent.

Preferably, the thumb wheel is coaxially connected with the handle through a square shaft.

Preferably, a first lock tongue protrusion for the shifting lever to shift is formed on the first lock tongue.

Preferably, the transmission part comprises a sliding plate, the protrusion of the transmission part is formed on the sliding plate, meanwhile, a lifting guide groove and a horizontal guide groove are formed on the sliding plate, a box body protrusion in sliding fit with the lifting guide groove is formed in the box body, and a second gear protrusion in sliding fit with the horizontal guide groove is formed on the swing arm of the second gear assembly. The transmission part can be guided to lift through the mutual matching of the box body protrusion and the lifting guide groove, and the horizontal guide groove and the second gear protrusion are mutually matched to guide the horizontal movement of the transmission part so as to drive the second lock tongue to stretch.

Preferably, a locking piece sliding groove for guiding the locking piece to slide is formed on the box body, and a locking piece protrusion in sliding fit with the locking piece sliding groove is formed on the locking piece; the box body is provided with a second spring bolt sliding groove used for guiding the second spring bolt to stretch, and meanwhile, a second spring bolt bulge in sliding fit with the second spring bolt sliding groove is formed in the second spring bolt. The locking block can be guided to move between the first position and the second position through the mutual matching of the locking block protrusion and the locking block sliding groove. The second bolt can be guided to stretch and retract by the mutual matching of the second bolt protrusion and the second bolt sliding groove.

Preferably, the device also comprises an abutting piece used for abutting the periphery of the thumb wheel and a second return spring driving the abutting piece. The pushing action of the pushing element on the periphery of the pushing wheel can be utilized to tightly press the periphery of the pushing wheel to increase the rotating resistance of the pushing wheel, so that the pushing wheel is prevented from being naturally rotated to cause wrong unlocking or locking.

Preferably, the first lock tongue is formed with an inclined surface, and the second lock tongue is a square lock tongue.

Preferably, the melting point of the locking block is 100 to 200 ℃. When a fire occurs, the lock block can melt, so that the lock body is automatically unlocked.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is an exploded view of the first latch mechanism of the present invention.

Fig. 4 is an exploded view of the contact member and the second return spring according to the present invention.

Fig. 5 is an exploded view of the second latch mechanism of the present invention.

Fig. 6 is an exploded view of the lock cylinder and the lock block of the present invention.

Fig. 7 is a rear view of the box body of the present invention.

Fig. 8 is a schematic view of the present invention in an open state.

Fig. 9 is a schematic view of the present invention in a closed state.

Fig. 10 is a schematic view of the present invention in a locked state.

The locking mechanism comprises a box body 1, a box body 11, a box body protrusion, a locking block sliding groove 12, a locking block sliding groove 13, a second locking bolt sliding groove 21, a first locking bolt 211, a first locking bolt protrusion 22, a first return spring 23, a first gear assembly 231, a driving lever 232, a driving wheel 2321, an arc limiting groove 233, a first gear 2331, a first gear protrusion 31, a second locking bolt 311, an oblique sliding groove 311, a second locking bolt protrusion 312, a second gear assembly 32, a swing arm 321, a second gear protrusion 322, a transmission piece protrusion 331, a sliding plate 332, a lifting guide groove 3321, a horizontal guide groove 3322, a 4-lock cylinder, a 41-cam, a 5-locking block, a locking block protrusion 51, a square shaft 6, a collision part 7 and a second return spring 71.

Detailed Description

The claimed technical solution of the present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 10, the lock body capable of being unlocked quickly of the present embodiment includes a box body 1, a first bolt mechanism and a second bolt mechanism embedded in the box body 1, a lock cylinder 4, and a lock block 5.

The first lock tongue mechanism comprises a first lock tongue 2, a first return spring 22 for driving the first lock tongue 2 to pop up, a first gear assembly 23 rotationally connected in the box body 1, and a shift lever 231 arranged on the first gear assembly 23 and used for driving the first lock tongue 2 to contract. In this embodiment, a first latch protrusion 211 for the shift lever 231 to shift is formed on the first latch 2. The first latch 2 is formed with a slope, which can guide the first latch 2 to automatically retract when the door leaf is closed.

The first gear assembly 23 includes a shifting wheel 232 rotatably connected in the box body 1, a first gear 233 rotatably connected to the shifting wheel 232, and a rotating wheel rotating synchronously with the first gear 233, the shifting rod 231 is formed on the rotating wheel, an arc-shaped limiting groove 2321 is formed on the shifting wheel 232, and a first gear protrusion 2331 slidably engaged with the arc-shaped limiting groove 2321 is arranged on the first gear 233. Thumb wheel 232 is connected with the handle through the square shaft 6.

The second bolt mechanism comprises a second bolt 31, a second gear assembly 32 rotationally connected in the box body 1 and a transmission piece. The second lock tongue 31 is a square lock tongue, the second gear assembly 32 is engaged with the first gear assembly 23, the second gear assembly 32 is provided with a swing arm 321 for driving the driving member to ascend and descend, the second lock tongue 31 is formed with an inclined sliding groove 311, and the driving member is formed with a driving member protrusion 331 which is in sliding fit with the inclined sliding groove 311, so that the second lock tongue 31 is driven to extend and retract through the ascending and descending of the driving member. The driving member includes a sliding plate 332, the driving member protrusion 331 is formed on the sliding plate 332, and at the same time, a lifting guide slot 3321 and a horizontal guide slot 3322 are formed on the sliding plate 332, a box body protrusion 11 slidably engaged with the lifting guide slot 3321 is formed in the box body 1, and a second gear protrusion 322 slidably engaged with the horizontal guide slot 3322 is formed on the swing arm 321 of the second gear assembly 32. In this embodiment, the box body 1 is provided with a second bolt sliding groove 13 for guiding the second bolt 31 to extend and retract, and meanwhile, the second bolt 31 is formed with a second bolt protrusion 312 in sliding fit with the second bolt sliding groove 13, so that the second bolt 31 can be guided to extend and retract by the cooperation of the second bolt protrusion 312 and the second bolt sliding groove 13.

The locking block 5 is slidably connected inside the box body 1, when the locking block 5 slides to a first position, the locking block 5 blocks the second bolt 31 to contract, and when the locking block 5 slides to a second position, the second bolt 31 freely stretches; the lock core 4 is rotatably connected with a cam 41, and the cam 41 drives the locking block 5 to move between a first position and a second position. The box body 1 is formed with a locking piece sliding groove 12 for guiding the locking piece 5 to slide, meanwhile, the locking piece 5 is formed with a locking piece protrusion 51 in sliding fit with the locking piece sliding groove 12, and the locking piece 5 can be guided to move between a first position and a second position by the mutual fit of the locking piece protrusion 51 and the locking piece sliding groove 12. In addition, in the embodiment, the melting point of the lock block 5 is 100-200 ℃, and the lock block 5 can be melted when encountering fire, so that the lock body can be automatically unlocked.

In this embodiment, the device further includes an abutting member 7 for abutting against the outer periphery of the thumb wheel 232 and a second return spring 71 for driving the abutting member 7. The second tongue 31 can be guided to extend and retract by the cooperation of the second tongue protrusion 312 and the second tongue sliding groove 13.

The lock body in this embodiment is used as follows: when the lock body is in an unlocking state, the locking block 5 is at a first position point, the locking block 5 does not hinder the second bolt 31 from sliding, and the first bolt 2 and the second bolt 31 can be operated to freely stretch and retract by screwing the handle. Because the second gear assembly 32 and the first gear assembly 23 are engaged with each other, they can rotate synchronously, when the first gear assembly 23 rotates, the driving lever 231 thereof can drive the first lock tongue 2 to contract, when the first gear assembly 23 rotates reversely, the driving effect of the driving lever 231 thereof on the first lock tongue 2 disappears, and the first lock tongue 2 is ejected under the driving of the first return spring 22. When the second gear assembly 32 rotates, the swing arm 321 on the second gear assembly 32 drives the transmission member to move up and down, and since the inclined chute 311 on the second lock tongue 31 is in sliding fit with the transmission member protrusion 331, the transmission member can drive the second lock tongue 31 to extend and retract when moving up and down.

When the lock body is in a locked state, the lock block 5 is in a second position point under the driving of the cam 41, and at this time, the lock block 5 can obstruct the second lock tongue 31 to contract, so that the second lock tongue 31 is kept in an extended state to keep the door leaf locked.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims (10)

1. The utility model provides a lock body that can unblank fast which characterized in that: the lock comprises a box body (1), a first lock tongue mechanism and a second lock tongue mechanism, wherein the first lock tongue mechanism and the second lock tongue mechanism are arranged in the box body (1) in a built-in mode, the first lock tongue mechanism comprises a first lock tongue (2), a first reset spring (22) for driving the first lock tongue (2) to pop up, a first gear assembly (23) rotationally connected into the box body (1), and a shifting lever (231) arranged on the first gear assembly (23) and used for driving the first lock tongue (2) to contract; the second bolt mechanism is including second bolt (31), rotate connect in second gear assembly (32) and driving medium in box body (1), second gear assembly (32) and first gear assembly (23) intermeshing, be provided with on second gear assembly (32) and be used for driving swing arm (321) that the driving medium goes up and down, take shape on second bolt (31) and have slant spout (311), take shape simultaneously on this driving medium have with slant spout (311) sliding fit's driving medium arch (331), go up and down through the driving medium and drive second bolt (31) flexible.

2. A lock body of claim 1 which can be unlocked quickly, wherein: the lock comprises a lock cylinder (4) and a lock block (5), wherein the lock block (5) is connected in the box body (1) in a sliding manner, when the lock block (5) slides to a first position, the lock block (5) blocks the second bolt (31) to contract, and when the lock block (5) slides to a second position, the second bolt (31) freely stretches and retracts; the lock core (4) is rotationally connected with a cam (41), and the cam (41) drives the lock block (5) to move between a first position point and a second position point.

3. A lock body of claim 1 which can be unlocked quickly, wherein: the first gear assembly (23) comprises a shifting wheel (232) rotatably connected in the box body (1), a first gear (233) rotatably connected to the shifting wheel (232) and a rotating wheel synchronously rotating with the first gear (233), the shifting rod (231) is formed on the rotating wheel, an arc-shaped limiting groove (2321) is formed in the shifting wheel (232), and meanwhile, a first gear protrusion (2331) in sliding fit with the arc-shaped limiting groove (2321) is arranged on the first gear (233).

4. A lock body of claim 3, wherein said lock body is adapted to be quickly unlocked: the thumb wheel (232) is coaxially connected with the handle through the square shaft (6).

5. A lock body of claim 1 which can be unlocked quickly, wherein: a first lock tongue protrusion (211) for the shifting rod (231) to shift is formed on the first lock tongue (2).

6. A lock body of claim 1 which can be unlocked quickly, wherein: the transmission piece comprises a sliding plate (332), the transmission piece protrusion (331) is formed on the sliding plate (332), meanwhile, a lifting guide groove (3321) and a horizontal guide groove (3322) are formed on the sliding plate (332), a box body protrusion (11) in sliding fit with the lifting guide groove (3321) is formed in the box body (1), and a second gear protrusion (322) in sliding fit with the horizontal guide groove (3322) is formed on the swing arm (321) of the second gear assembly (32).

7. A lock body of claim 2, which can be unlocked quickly, characterized in that: a locking block sliding groove (12) for guiding the locking block (5) to slide is formed in the box body (1), and a locking block protrusion (51) in sliding fit with the locking block sliding groove (12) is formed in the locking block (5); the box body (1) is provided with a second bolt sliding groove (13) for guiding the second bolt (31) to stretch, and meanwhile, a second bolt protrusion (312) in sliding fit with the second bolt sliding groove (13) is formed on the second bolt (31).

8. A lock body of claim 3, wherein said lock body is adapted to be quickly unlocked: the device also comprises an abutting piece (7) for abutting against the periphery of the thumb wheel (232) and a second return spring (71) for driving the abutting piece (7).

9. A lock body of claim 1 which can be unlocked quickly, wherein: the first bolt (2) is formed with an inclined plane, and the second bolt (31) is a square bolt.

10. A lock body capable of being unlocked quickly according to claim 2 or 7, characterized in that: the melting point of the locking block (5) is 100-200 ℃.

Images