CN212406367U - Handle locking mechanism and door lock thereof - Google Patents
Handle locking mechanism and door lock thereof Download PDFInfo
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- CN212406367U CN212406367U CN202021264580.2U CN202021264580U CN212406367U CN 212406367 U CN212406367 U CN 212406367U CN 202021264580 U CN202021264580 U CN 202021264580U CN 212406367 U CN212406367 U CN 212406367U
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- lock
- sliding rod
- handle
- lock body
- locking mechanism
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Abstract
The utility model provides a handle locking mechanism, which comprises a sliding rod, a locking piece and a rotating part, wherein the sliding rod and the locking piece are arranged on a lock body, and the rotating part is used for driving an upper brake bolt and a lower brake bolt of the lock body to perform locking/unlocking movement; the sliding rod can be arranged in a sliding mode relative to the lock body, the end portion of the sliding rod is in contact connection with a lock tongue of the lock body, a first elastic piece is arranged on the sliding rod, and the lock tongue drives the sliding rod to overcome the elastic force of the first elastic piece when retracting; the locking piece with the slide bar transmission is connected, when the spring bolt stretches out the slide bar drives the locking piece moves to blockking the rotational motion of rotation portion. The utility model discloses can be when the lock-out state of lock is down, ensure the lock-out state of upper and lower braking bolt effectively, improve the security performance of lock and user's use experience.
Description
Technical Field
The utility model belongs to the technical field of the tool to lock, concretely relates to handle locking mechanism and lock thereof.
Background
The top and bottom lock is a lock which can lock the upper and lower braking bolts (corresponding top and bottom locks) of the door while closing the lock, and the general working principle is as follows: when the door is opened, the lock core is opened by a key, the square bolt retracts, the handle is pressed downwards for a certain angle, the inclined bolt retracts, the upper brake bolt and the lower brake bolt are driven to retract, the door is opened, after the handle is released, the inclined bolt extends out, and the handle can return; when the door is locked, the handle is lifted by a certain angle to drive the upper and lower brake bolts to extend out, the lock core is locked by a key or an indoor operating knob, the square tongue extends out and is locked, the door is locked, and the handle can return after the handle is released. When the door is locked, the door is simultaneously limited by the upper and lower braking bolts, the dead bolt and the latch bolt, so that the door has better safety.
However, the top-bottom lock in the prior art can still be in the state of pushing down the unblock after the handle resets after the locking operation of carrying out top-bottom lock, ground lock for in the use of reality, can accidentally unblock the locking state of top-bottom lock when appearing the mistake and touch the handle, influence the safety protection nature of lock, reduced the theftproof performance of lock, and cause the damage to the lock easily.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages of the prior art, the present invention provides a handle locking mechanism and a door lock thereof, which can effectively ensure the locking state of the upper and lower brake bolts when the door lock is in the locking state, thereby improving the safety performance of the door lock and the user experience.
The utility model provides a technical scheme that its technical problem adopted is:
a handle locking mechanism comprises a sliding rod arranged on a lock body, a locking piece and a rotating part used for driving an upper brake bolt and a lower brake bolt of the lock body to perform locking/unlocking movement;
the sliding rod can be arranged in a sliding mode relative to the lock body, the end portion of the sliding rod is in contact connection with a lock tongue of the lock body, a first elastic piece is arranged on the sliding rod, and the lock tongue drives the sliding rod to overcome the elastic force of the first elastic piece when retracting;
the locking piece with the slide bar transmission is connected, when the spring bolt stretches out the slide bar drives the locking piece moves to blockking the rotational motion of rotation portion.
Preferably, a guide surface is obliquely arranged at a contact position of the sliding rod and the lock tongue.
Preferably, the locking piece comprises a first side portion and a second side portion which are connected in an angle mode, a positioning column is arranged at the joint of the first side portion and the second side portion in a protruding mode, and the locking piece is arranged on the lock body in a swinging mode through the positioning column.
Preferably, the sliding rod is convexly provided with limiting columns in pairs, and a clamping space is formed between the limiting columns in pairs;
the first edge portion extends into the clamping space so that the locking piece can swing along with the sliding of the sliding rod.
Preferably, a bump is fixedly arranged on the rotating portion, and when the first elastic member is in a natural state, the second edge portion swings to a position below a rotating track of the bump and abuts against the bump.
Preferably, when the first elastic element is in a natural state, a straight line where the second edge is located is tangent to a rotation track of the bump.
Preferably, the rotating part includes a body, and a second elastic member for restoring the body after rotation is disposed between the body and the lock body.
Preferably, the body is provided with a mounting hole for mounting the handle, and the cross section of the mounting hole is elliptical or polygonal.
Preferably, the body is provided with a mounting groove for mounting the second elastic element, and a first opening and a second opening which are communicated with the mounting groove and are arranged in a staggered manner;
and two ends of the second elastic piece respectively extend out of the first opening and the second opening and abut against two sides of the fixed structure on the lock body.
A door lock comprising a handle locking mechanism as described above.
Compared with the prior art, the beneficial effects of the utility model are that:
in the scheme, the sliding rod and the locking piece are skillfully arranged, so that when the lock body is locked, the rotating part drives the upper and lower braking bolts to extend out and lock as the handle is lifted; when the locking operation is carried out, the lock tongue abutted to the sliding rod is in an extending state, the first elastic piece is restored to a natural state and simultaneously drives the sliding rod to reset, and the locking piece can move to abut against the rotating part at the moment, so that the handle is blocked when being pressed downwards; therefore, when the door lock is in a locking state, the unlocking action of the upper and lower brake bolts caused by accidental touch of the handle is effectively avoided, and the use safety of the door lock is ensured. Meanwhile, the handle can not be pressed down to unlock the door lock when the lock tongue is in the state of extending out and locking, so that the anti-theft performance of the door lock is greatly improved; the use experience of the user is further improved. This scheme compact structure and design benefit can effectively realize the locking of handle through the mutual linkage between each spare part and keep, and whole easy operation is convenient, and the facilitate promotion is used.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic view of the internal structure of the present invention in the locked state.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic view of the internal structure of the present invention in an unlocked state.
Fig. 4 is an enlarged schematic view of a portion B in fig. 2.
Fig. 5 is a schematic structural view of the sliding rod and the locking member of the present invention in a connected state.
Fig. 6 is a schematic structural view of the rotating portion of the present invention.
Wherein:
10-a lock body;
1-a sliding rod, 11-a first elastic piece, 12-a guide surface and 13-a limiting column;
2-locking piece, 21-first edge, 22-second edge, 23-positioning column;
3-rotating part, 31-lug, 32-body, 321-mounting hole, 322-mounting groove, 323-first opening, 324-second opening and 33-second elastic element;
4-upper brake bolt, 5-lower brake bolt, 6-bolt and 7-fixing structure.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, and the described embodiments are merely some embodiments, rather than all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 1 to 6, the present embodiment provides a handle locking mechanism, which mainly includes a sliding rod 1, a locking member 2 and a rotating part 3, which are disposed on a lock body 10. The rotating part 3 is in transmission connection with an upper brake bolt 4 and a lower brake bolt 5 of the lock body 10 through a transmission mechanism, and the rotating part 3 is rotated to drive the upper brake bolt 4 and the lower brake bolt 5 to perform locking/unlocking movement.
The sliding rod 1 can be arranged on the lock body 10 in a sliding mode relative to the lock body 10, the end portion of the sliding rod 1 is in contact connection with the lock tongue 6 of the lock body 10, a first elastic piece 11 is arranged on the sliding rod 1, and the lock tongue 6 drives the sliding rod 1 to overcome the elastic action of the first elastic piece 11 when retracting.
In this embodiment, the sliding rod 1 is in contact connection with a square tongue of the lock body 10, one end of the sliding rod 1 is in contact connection with the square tongue, the first elastic member 11 is disposed at the other end of the sliding rod 1, and the first elastic member 11 is a spring; obviously, the first elastic element 11 may also be disposed at an end of the sliding rod 1 in contact with the dead bolt, and in this case, the first elastic element 11 is selectively disposed as a tension spring.
Preferably, a guide surface 12 is obliquely disposed at a contact portion between the sliding rod 1 and the latch 6, so that the sliding rod 1 can be more smoothly jacked up when the latch 6 is retracted. In this embodiment, the guide surface 12 is disposed at the end of the sliding rod 1; in practical applications, it is also considered that the guide surface 12 is disposed on the lock tongue 6, and details are not described herein.
The locking piece 2 with the transmission of slide bar 1 is connected, when spring bolt 6 stretches out, first elastic component 11 reverts to natural state in order to drive slide bar 1 slides, slide bar 1 drives at this moment locking piece 2 moves to blockking the rotational motion of rotation portion 3.
Preferably, the locking member 2 is in an "L" shape or a "V" shape in a side view, and includes a first side portion 21 and a second side portion 22 which are connected at an angle, a positioning column 23 is protruded laterally at a connection portion of the first side portion 21 and the second side portion 22, and the locking member 2 is swingably disposed on the lock body 10 through the positioning column 23.
In addition, the sliding rod 1 is provided with limiting columns 13 in pairs in a protruding manner, and a clamping space is formed between the limiting columns 13 in pairs; the first side portion 21 is inserted into the holding space so that the lock member 2 swings as the slide lever 1 slides. Specifically, a protrusion 31 is fixedly disposed on the rotating portion 3, and when the first elastic member 11 is in a natural state, the locking member 2 moves along with the sliding rod 1, so that the second edge 22 swings to a position below a rotation track of the protrusion 31 and abuts against the protrusion 31 to block the rotating movement of the rotating portion 3. In this embodiment, the limiting column 13 is a cylinder to further improve the movement coordination between the sliding rod 1 and the locking member 2.
Preferably, when the first elastic element 11 is in a natural state, the second side 22 is located on a straight line tangent to a rotation track of the protrusion 31; in order to further improve right the locking protection of rotation portion 3 avoids appearing when too big the handle application of force, and causes the back drive locking piece 2 drives the condition that the motion of slide bar 1 and carry out the unblock further improves the reliability of mechanism, avoids causing the premature damage of spare part because of the maloperation simultaneously.
Further, the rotating portion 3 includes a body 32, and the projection 31 is provided on the body 32; still be provided with the mounting hole 321 that supplies the handle installation on the body 32, in this embodiment, the preferred form that sets up to the cross-section for the polygon of mounting hole 321, also can adopt oval-shaped form in actual application to effectively avoid the rotation of handle phenomenon of skidding and be convenient for the simplified design of mechanism.
A second elastic member 33 for resetting the body 32 after rotating is arranged between the body 32 and the lock body 10, the body 32 is provided with an installation groove 322 for installing the second elastic member 33, and a first opening 323 and a second opening 324 which are communicated with the installation groove 322 and are arranged in a staggered manner; in this embodiment, the second elastic member 33 is a torsion spring. And two ends of the second elastic member 33 respectively extend out of the first opening 323 and the second opening 324 and abut against two sides of the fixing structure 7 on the lock body 10.
In this embodiment, a door lock is further provided, which includes the lock body 10 and the handle locking mechanism described above.
Other structural forms of the door lock in the embodiment can be referred to in the prior art, and are not described herein.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (10)
1. A handle locking mechanism is characterized by comprising a sliding rod, a locking piece and a rotating part, wherein the sliding rod and the locking piece are arranged on a lock body, and the rotating part is used for driving an upper brake bolt and a lower brake bolt of the lock body to perform locking/unlocking movement;
the sliding rod can be arranged in a sliding mode relative to the lock body, the end portion of the sliding rod is in contact connection with a lock tongue of the lock body, a first elastic piece is arranged on the sliding rod, and the lock tongue drives the sliding rod to overcome the elastic force of the first elastic piece when retracting;
the locking piece with the slide bar transmission is connected, when the spring bolt stretches out the slide bar drives the locking piece moves to blockking the rotational motion of rotation portion.
2. The handle locking mechanism of claim 1, wherein the contact portion of the sliding rod and the latch is provided with a guide surface in an inclined manner.
3. The handle lock mechanism of claim 1 or 2, wherein the lock member comprises a first edge and a second edge which are connected at an angle, a positioning column is convexly arranged at the joint of the first edge and the second edge, and the lock member is arranged on the lock body in a swinging manner through the positioning column.
4. The handle locking mechanism of claim 3, wherein the sliding rod is provided with a pair of protruding limiting columns, and a clamping space is formed between the pair of limiting columns;
the first edge portion extends into the clamping space so that the locking piece can swing along with the sliding of the sliding rod.
5. The handle locking mechanism of claim 4, wherein the rotating part is fixedly provided with a bump, and when the first elastic element is in a natural state, the second edge swings to a position below a rotating track of the bump and abuts against the bump.
6. The handle locking mechanism of claim 5, wherein when the first elastic member is in a natural state, the line on which the second edge is located is tangent to the rotation track of the protrusion.
7. The handle lock mechanism of any one of claims 1 and 4 to 6, wherein the rotating part comprises a body, and a second elastic member for restoring the body after rotation is arranged between the body and the lock body.
8. The handle locking mechanism of claim 7, wherein the body is provided with a mounting hole for mounting the handle, and the mounting hole has an elliptical or polygonal cross-sectional shape.
9. The handle locking mechanism of claim 7, wherein the body is provided with a mounting groove for mounting the second elastic member, and a first opening and a second opening which are communicated with the mounting groove and are arranged in a staggered manner;
and two ends of the second elastic piece respectively extend out of the first opening and the second opening and abut against two sides of the fixed structure on the lock body.
10. A door lock comprising a handle lock mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264580.2U CN212406367U (en) | 2020-07-01 | 2020-07-01 | Handle locking mechanism and door lock thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264580.2U CN212406367U (en) | 2020-07-01 | 2020-07-01 | Handle locking mechanism and door lock thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212406367U true CN212406367U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021264580.2U Active CN212406367U (en) | 2020-07-01 | 2020-07-01 | Handle locking mechanism and door lock thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212406367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677371A (en) * | 2020-07-01 | 2020-09-18 | 希美克(广州)实业有限公司 | Handle locking mechanism and door lock thereof |
-
2020
- 2020-07-01 CN CN202021264580.2U patent/CN212406367U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677371A (en) * | 2020-07-01 | 2020-09-18 | 希美克(广州)实业有限公司 | Handle locking mechanism and door lock thereof |
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