CN211201386U

CN211201386U - Lock convenient to unlock rapidly

Info

Publication number: CN211201386U
Application number: CN201921229455.5U
Authority: CN
Inventors: 沈汉标; 王妙玉; 童威云; 黄安川; 陈梦迪
Original assignee: Guangdong Ketyoo Intelligent Technology Co Ltd
Current assignee: Guangdong Hotata Smart Home Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-08-07
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a lockset convenient for quick unlocking, which comprises an inner lock knob, an inner handle, a first linkage component and a lock shell, wherein the lock shell is internally provided with a first lock tongue and a second lock tongue; the inner lock knob is pivoted on the inner side of the lock shell and is used for driving the second lock tongue to unlock in the rotating process; the inner handle is used for being linked with the inner lock knob through the first linkage assembly when rotating so that the first lock bolt and the second lock bolt can be unlocked simultaneously. The utility model discloses a tool to lock convenient to unblank fast, it can drive the interior lock knob when including the handle pivoted and rotate, makes first spring bolt and second spring bolt unblock simultaneously.

Description

Lock convenient to unlock rapidly

Technical Field

The utility model relates to a tool to lock technical field especially relates to a tool to lock convenient to unblank fast.

Background

At present, domestic lock shell function is mainly by two parts on the market, lock shell and handle, and the handle mainly is through the square shaft pin joint on the handle on the lock shell, and the spring bolt of lock shell the inside can stretch out the fore shaft locking on lock shell and the door frame under the effect of spring, and when unblanking, the handle rotates and drives the spring bolt and return alright unblock in the lock shell of contracting. For safety, the lock shell is also provided with an inner lock tongue, the inner lock tongue extends into a lock opening of the door frame to be locked doubly, and a master can rotate the inner lock knob to lock when in a room, so that the lock cannot be unlocked outside the room, and the use is safer. However, this method has a disadvantage that in actual operation, if a master wants to go out of a room, the master needs to turn the inner lock knob and then turn the inner handle, and the door can be opened in two steps, so that the operation is relatively complicated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model aims to provide a tool to lock convenient to unblank fast, it can drive the interior lock knob when including handle pivoted and rotate, makes first spring bolt and second spring bolt unblock simultaneously.

The purpose of the utility model is realized by adopting the following technical scheme:

a lockset convenient for quick unlocking comprises an inner lock knob, an inner handle, a first linkage assembly and a lock shell, wherein a first lock bolt and a second lock bolt are arranged in the lock shell; the inner lock knob is pivoted on the inner side of the lock shell and is used for driving the second lock tongue to unlock in the rotating process; the inner handle is used for being linked with the inner lock knob through the first linkage assembly when rotating so that the first lock bolt and the second lock bolt can be unlocked simultaneously.

Furthermore, the first linkage assembly comprises a driving disc, a sliding chute, a first connecting rod and a second connecting rod, wherein the sliding chute is arranged on the lock shell and extends along the height direction of the lock shell; the driving disc is fixed with the inner handle; one end of the first connecting rod is pivoted on the driving disc; the other end of the first connecting rod is formed into a first sliding end; the first sliding end is slidably embedded in the sliding chute; one end of the second connecting rod is formed into a second sliding end; the second sliding end is slidably embedded in the sliding groove; the other end of the second connecting rod is pivoted with the inner locking knob; the first sliding end is used for sliding along the sliding groove when the inner handle rotates and driving the second sliding end to slide in the sliding groove.

Furthermore, a first sliding block is fixedly connected to the first sliding end; the second sliding end is fixedly connected with a second sliding block; the first sliding block and the second sliding block are in sliding fit with the sliding groove.

Furthermore, the lockset convenient for unlocking also comprises an outer handle and a second linkage assembly, wherein the outer handle is pivoted on the outer side of the lock shell and is used for driving the first lock tongue to unlock in the rotating process; the second linkage assembly is used for linking with the outer handle when the inner handle rotates.

Further, the second linkage assembly comprises a driving slot and a driving block; the driving groove is formed in the end part of the inner handle; the driving block is fixedly connected to the end part of the outer handle; a driving surface is arranged in the driving groove; the driving block is pivoted in the driving groove; the driving surface is used for driving the inner handle to abut against the driving block when the inner handle rotates so as to drive the outer handle to rotate; the driving block is used for being separated from the driving surface when the outer handle rotates.

Further, the section of the driving groove is in a shape of a quarter of a circle; the section of the driving block is semicircular; the radius of the three-quarter circle is equal to that of the semicircle; the face on which the radius of the three-quarter circle is located forms the driving face.

Furthermore, the inner handle is provided with an inner square shaft, the outer handle is provided with an outer square shaft, and the driving groove is formed in the end part of the inner square shaft; the driving block is arranged at the end part of the external square shaft.

Compared with the prior art, the beneficial effects of the utility model reside in that: when the handle rotates in it, the first linkage subassembly of accessible drives the interior lock knob and rotates, therefore first spring bolt and second spring bolt can unblank simultaneously, and the operator can one step unblank in the room promptly, convenient operation and simple.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a structural schematic diagram of the locking state of the present invention;

fig. 3 is a schematic view of the structure of the unlocking state of the present invention;

fig. 4 is the utility model discloses a connection structure schematic diagram of interior handle and outer handle.

In the figure: 10. an inner handle; 11. an inner square shaft; 111. a drive slot; 112. a drive face; 20. an inner lock knob; 30. a lock case; 31. a first bolt; 32. a second bolt; 40. an outer handle; 41. an outer square shaft; 411. a drive block; 51. a drive disc; 52. a first link; 521. a first slider; 53. a second link; 531. a second slider; 54. a chute.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-4, a lock convenient for quick unlocking includes an inner lock knob 20, an inner handle 10, a first linkage assembly and a lock case 30, wherein a first bolt 31 and a second bolt 32 are disposed in the lock case 30, the inner handle 10 is pivoted to the inner side of the lock case 30, and the inner handle 10 can drive the first bolt 31 to retract into the lock case 30 during rotation to unlock. Similarly, the inner lock knob 20 is pivotally connected to the inside of the lock housing 30, and the inner lock knob 20 drives the second latch tongue 32 to unlock during rotation. The inner handle 10 is configured to be coupled to the inner lock knob 20 through a first coupling assembly when rotated, so that the first locking tongue 31 and the second locking tongue 32 are simultaneously unlocked.

It should be noted that the first latch tongue 31 can be locked by a spring inside the lock case 30; when the inner lock knob 20 rotates in one direction, the second bolt 32 can extend out of the lock case 30 to be locked, and when the inner lock rotates in the opposite direction, the second bolt 32 can be driven to retract into the lock case 30 to complete unlocking. Of course, the structure that the first bolt 31 and the second bolt 32 are installed in the lock case 30 and how to lock are in the prior art, and the technical content to be protected by the present application is not included, and the present application emphasizes how to unlock from the room in one step.

Specifically, on the basis of the above structure, when a person is in a room, the person generally rotates through the inner lock knob 20 to drive the second bolt 32 to extend out of the lock case 30, so that the door is locked reversely, and the person cannot unlock the door. When people need to go out, the inner handle 10 can be rotated in the room, and the rotation direction of the inner handle 10 is opposite to the rotation direction of the inner lock knob 20 when the inner lock knob is locked. When the inner handle 10 rotates, the first linkage assembly can drive the inner lock knob 20 to rotate, so that the first lock bolt 31 and the second lock bolt 32 can be unlocked simultaneously, namely, an operator can unlock the lock in one step in a room, and the operation is convenient and simple.

Further, in the present embodiment, the first linkage assembly includes a driving disc 51, a sliding slot 54, a first connecting rod 52 and a second connecting rod 53, the sliding slot 54 is disposed on the lock housing 30, and the sliding slot 54 can extend along the height direction of the lock housing 30. The driving plate 51 is fixed to the inner handle 10, that is, the inner handle 10 rotates to drive the rotating plate to rotate, one end of the first link 52 is pivoted to the driving plate 51, and the other end of the first link 52 is formed as a first sliding end, and the first sliding end is slidably embedded in the sliding groove 54. In addition, one end of the second link 53 is formed as a second sliding end, and the second sliding end is slidably fitted into the chute 54; the other end of the second link 53 is pivoted to the inner lock knob 20; the first sliding end is configured to slide along the sliding slot 54 and drive the second sliding end to slide in the sliding slot 54 when the inner handle 10 rotates.

On the basis of the structure, when unblock, rotatable interior handle 10, can drive first lock tongue 31 and unblock, and interior handle 10 rotates alright drive first connecting rod 52 and rotates, when first connecting rod 52 rotates, the rotation of first slip end is restricted by spout 54, turn into the linear motion along the extending direction of spout 54, during the unblock, first slip end can slide down, the butt is in the second slip end, and drive the second slip end and slide down, and the second connecting rod is with the pin joint of interior lock knob 20, therefore the second slip section downstream alright promote interior lock knob 20 and rotate, carry out the unblock of second lock tongue 32.

It should be noted that, the first linkage assembly may also be driven by a gear, and the rotation of the inner handle 10 may drive the inner lock knob 20 to rotate by the direct engagement of the gear and the gear. Of course, the link transmission of the first linkage assembly can also be realized by a cam transmission structure, and the two cam transmission mechanisms can also replace the two groups of link transmission mechanisms, so that the transmission structure that the inner handle 10 rotates and drives the inner lock knob 20 to rotate can be realized.

Further, a first sliding block 521 can be fixedly connected to the first sliding end, and similarly, a second sliding block 531 is fixedly connected to the second sliding end; the first slider 521 and the second slider 531 are both in sliding fit with the sliding slot 54, so that the first link 52 and the second link 53 can slide in the sliding slot 54 through the first slider 521 and the second slider 531 respectively, and the sliding is smoother. Of course, the first slider 521 and the second slider 531 may be replaced by pulleys.

Further, the tool to lock convenient to unblank in this embodiment still includes outer handle 40 and second linkage assembly, with outer handle 40 pin joint in the outside of lock shell 30, and outer handle 40 can drive first lock bolt 31 unblock in the rotation process, when interior lock knob 20 was in the unlocked state promptly, operator's accessible outer handle 40 rotated outside, drove and used the lock bolt unblock. And the second linkage subassembly can be including when handle 10 rotates with outer handle 40 linkage, promptly, when handle 10 rotates including, interior handle 10 accessible second linkage subassembly drives outer handle 40 and rotates, unblanks inside and outside, avoids outer handle 40 not rotating and leads to first lock tongue 31 card to die. It should be noted that, above-mentioned second linkage subassembly only drives outer handle 40 and rotates when interior handle 10 rotates, and outer handle 40 rotates and can not make interior handle 10 rotate, so, when second spring bolt 32 is in the lock-out state in the room, the people rotate outer handle 40 and can not drive interior handle 10 and rotate outdoors, therefore can not drive interior lock knob 20 synchronous rotation, the people just can not unblock second spring bolt 32 outdoors, ensure the security.

Further, the second linkage assembly includes a driving groove 111 and a driving block 411, specifically, the driving groove 111 is opened at the end of the inner handle 10, the driving block 411 is fixed at the end of the outer handle 40, and a driving surface 112 is arranged in the driving groove 111; the driving block 411 is pivoted in the driving groove 111, and the driving surface 112 is used for driving the driving block 411 to abut against to drive the outer handle 40 to rotate when the inner handle 10 rotates; the drive block 411 is used to disengage from the drive surface 112 when the outer handle 40 is rotated. So, when carrying out the unblock, when the operator rotates interior handle 10 in the room, because interior handle 10 couples with drive block 411 through driving groove 111 with outer handle 40, therefore interior handle 10 rotates, and driving surface 112 of driving groove 111 can drive block 411 together and rotate with drive block 411 butt, and then can drive outer handle 40 and rotate, from inside unblock. Conversely, when a person unlocks the door, the outer handle 40 rotates to drive the first lock tongue 31 to rotate, but the driving block 411 rotates away from the driving surface 112, so that the driving groove 111 can provide a certain rotation vacancy, that is, the driving block 411 rotates in the driving groove 111 and is away from the driving surface 112, so that the first lock tongue 31 can be unlocked, but the inner handle 10 cannot rotate together with the outer handle 40, so that the second lock tongue 32 is in a locked state, and the outer handle 40 is prevented from rotating to unlock the second lock tongue 32.

It should be noted that, the second linkage assembly may further include a ratchet and a pawl, the inner handle 10 and the outer handle 40 may be respectively connected to two sides of the ratchet, the pawl is installed in the lock case 30, when the second bolt 32 is in a locked state, the rotation of the ratchet is not limited by the pawl when the inner handle 10 rotates, but the rotation of the outer handle 40 is limited by the pawl when the outer handle rotates. When the second bolt 32 is in the unlocked state, the pawl can be away from the ratchet, so that the rotation of the inner handle 10 and the outer handle 40 is not limited. Of course, the second linkage assembly may be implemented by other clutch mechanisms in the prior art.

Further, the section of the driving slot 111 in the present embodiment is three-quarter circle, and the section of the driving block 411 is semi-circle; the radius of the three-quarter circle is equal to that of the semicircle; the face of the radius of the three quarters circle forms the drive face 112. So, when the assembly, the drive block 411 embedding that outer handle 40 tip is semicircle is in the drive slot 111 that is three quarters circle form, drive block 411 can be vertical state and the semicircle part gomphosis of drive slot 111, alright rather than radius face butt, at this moment, interior handle 10 rotates alright directly to drive block 411 and rotates, and outer handle 40 rotates, semicircle drive block 411 alright rotate to the other semicircle part of the drive slot 111 of three quarters circle, 90 degrees rotatory vacancies have, accord with the operating means that the handle rotated 90 degrees unblanks on the current market. In other cases, of course, the driving slot 111 may be directly an arc slot, so that the arc angle of the driving block 411 is smaller than the arc of the driving slot 111, and the two are kept at the rotation vacancy of 30-90 degrees.

Further, the inner handle 10 may be provided with an inner square shaft 11, the outer handle 40 may be provided with an outer square shaft 41, and the driving groove 111 may be provided at an end of the inner square shaft 11; the driving block 411 is provided at an end of the outer shaft 41, that is, the outer handle 40 and the inner handle 10 can be connected by the outer shaft 41 and the inner shaft 11, which facilitates assembly.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A lockset convenient for quick unlocking is characterized by comprising an inner lock knob, an inner handle, a first linkage assembly and a lock shell, wherein a first lock bolt and a second lock bolt are arranged in the lock shell; the inner lock knob is pivoted on the inner side of the lock shell and is used for driving the second lock tongue to unlock in the rotating process; the inner handle is used for being linked with the inner lock knob through the first linkage assembly when rotating so that the first lock bolt and the second lock bolt can be unlocked simultaneously.

2. The lock assembly facilitating quick unlocking of the lock according to claim 1, wherein the first linkage assembly includes a driving plate, a slide groove, a first link, and a second link, the slide groove being provided on the lock case and extending in a height direction of the lock case; the driving disc is fixed with the inner handle; one end of the first connecting rod is pivoted on the driving disc; the other end of the first connecting rod is formed into a first sliding end; the first sliding end is slidably embedded in the sliding chute; one end of the second connecting rod is formed into a second sliding end; the second sliding end is slidably embedded in the sliding groove; the other end of the second connecting rod is pivoted with the inner locking knob; the first sliding end is used for sliding along the sliding groove when the inner handle rotates and driving the second sliding end to slide in the sliding groove.

3. The lock facilitating quick unlocking of claim 2, wherein the first sliding end is fixedly connected with a first sliding block; the second sliding end is fixedly connected with a second sliding block; the first sliding block and the second sliding block are in sliding fit with the sliding groove.

4. The lock with quick unlocking as claimed in any one of claims 1 to 3, further comprising an outer handle pivoted to the outside of the lock case and adapted to rotate to unlock the first bolt, and a second linkage assembly; the second linkage assembly is used for linking with the outer handle when the inner handle rotates.

5. The lock facilitating quick release of lock as claimed in claim 4, wherein the second linkage assembly includes a drive slot and a drive block; the driving groove is formed in the end part of the inner handle; the driving block is fixedly connected to the end part of the outer handle; a driving surface is arranged in the driving groove; the driving block is pivoted in the driving groove; the driving surface is used for driving the inner handle to abut against the driving block when the inner handle rotates so as to drive the outer handle to rotate; the driving block is used for being separated from the driving surface when the outer handle rotates.

6. The lock facilitating quick release of the lock according to claim 5, wherein the driving groove has a cross section of three quarters of a circle; the section of the driving block is semicircular; the radius of the three-quarter circle is equal to that of the semicircle; the face on which the radius of the three-quarter circle is located forms the driving face.

7. The lock facilitating quick unlocking of the lock according to claim 5, wherein the inner handle is provided with an inner square shaft, the outer handle is provided with an outer square shaft, and the driving groove is formed at an end portion of the inner square shaft; the driving block is arranged at the end part of the external square shaft.