CN209817617U - Lock body and antitheft door - Google Patents
Lock body and antitheft door Download PDFInfo
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- CN209817617U CN209817617U CN201821314892.2U CN201821314892U CN209817617U CN 209817617 U CN209817617 U CN 209817617U CN 201821314892 U CN201821314892 U CN 201821314892U CN 209817617 U CN209817617 U CN 209817617U
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- lock body
- latch bolt
- tongue
- sub
- oblique tongue
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Abstract
The utility model relates to a tool to lock field, concretely relates to lock body and burglary-resisting door, including lock body panel, lock body box, can stretch out and retract be used for the installation in the oblique tongue of lock body panel, the lock body box of locating the oblique tongue frame and the promotion of oblique tongue stretch out the resilient means of lock body panel, be equipped with in the lock body box the oblique tongue stretches out restrict behind the lock body panel oblique tongue locking mechanical system that the oblique tongue retracts. The retraction of the latch bolt is limited by a latch bolt locking mechanism which plays a role in positioning the latch bolt, so that the door can be prevented from being opened violently when the door is closed.
Description
Technical Field
The utility model relates to a tool to lock field, concretely relates to lock body and burglary-resisting door.
Background
The existing anti-theft door on the market has uneven quality, the lock is one of important consideration indexes of the anti-theft safety performance of the door, almost all locks are mechanical, the main spring bolt is cylindrical or square, the purpose of opening and closing the lock is achieved by twisting the stroke block in the lock body through external force, the lock body has a complex structure, various accessories and a large failure rate, and the lock body cannot be matched with the emerging intelligent lock.
The common intelligent lock is different from the traditional mechanical lock, is a lock which can be more intelligent in the aspects of user identification, safety, management and the like, and controls the opening and closing of the anti-theft door by using an intelligent remote control mode. However, no matter the intelligent lock or the mechanical lock is provided with the inclined tongue, the inclined tongue only has the pre-positioning function, and under the action of external force, the inclined tongue can be forcibly pushed into the door plate, so that the problem that the anti-theft door is not firmly fixed enough and is easily opened violently exists.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a lock body and a burglary-resisting door, solve the problem that the lock body that has the oblique tongue is opened the door easily by the violence now.
In order to solve the technical problem, the utility model provides a lock body, include lock body panel, lock body box, can stretch out and retract the oblique tongue of lock body panel, locate and be used for the installation in the lock body box the oblique tongue frame and the promotion of oblique tongue stretch out the resilient means of lock body panel, be equipped with in the lock body box the oblique tongue stretches out restriction behind the lock body panel oblique tongue locking mechanical system of oblique tongue withdrawal.
Wherein, the preferred scheme is: the rear end of the latch bolt frame is provided with a latch bolt rod which moves back and forth along with the latch bolt; the latch bolt locking mechanism comprises a stop lever mechanism which can move to the rear end of the latch bolt rod and limits the backward movement of the latch bolt rod after the latch bolt extends out of the lock body panel.
Wherein, the preferred scheme is: the latch bolt locking mechanism further comprises a latch bolt seat fixedly arranged in the lock body box, a rod hole matched with the latch bolt rod is formed in the latch bolt seat, and the blocking rod mechanism can movably block or unblock the rod hole.
Wherein, the preferred scheme is: the stop lever mechanism comprises a baffle, a chute which is intersected with the lever hole is arranged on the oblique tongue seat, and the baffle is arranged in the chute and can move to shield or remove the shielding of the lever hole.
Wherein, the preferred scheme is: the stop lever mechanism further comprises a power device, and the power device is connected with the baffle and pushes the baffle to move in the sliding groove.
Wherein, the preferred scheme is: and a return spring is arranged between the inclined tongue seat and the baffle.
Wherein, the preferred scheme is: the elastic device is a latch bolt spring which is sleeved on the latch bolt rod and is abutted between the latch bolt frame and the latch bolt seat.
Wherein, the preferred scheme is: the oblique tongue comprises a first sub tongue and a second sub tongue, the oblique tongue frame is provided with two installation parts corresponding to the first sub tongue and the second sub tongue, and the first sub tongue and the second sub tongue are rotatably installed on the corresponding installation parts.
Wherein, the preferred scheme is: and when the pose adjusting platform abuts against the lock body panel, the first sub-tongue and the second sub-tongue open towards opposite directions.
The utility model also provides a security door, including the door plant, be equipped with as above on the door plant the lock body.
The utility model has the advantages that compared with the prior art, the utility model designs a lock body and a security door, the retraction of the oblique tongue is limited by the oblique tongue locking mechanism, and the oblique tongue locking mechanism plays a positioning role for the oblique tongue, thereby preventing the door from being opened violently when the door is closed; in addition, a first sub tongue and a second sub tongue are arranged, when the door is closed, the first sub tongue and the second sub tongue are opened towards opposite directions, the center positioning effect is achieved, the safety and the firmness are further improved, and the door can be prevented from being opened violently.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic view of the lock body of the present invention;
figure 2 is another schematic view of the lock body of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1;
fig. 4 is a schematic view of the boss of the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present invention provides a preferred embodiment of a lock body.
Specifically, referring to fig. 1 to 3, a lock body is installed on a security door, and includes a lock body box 2, a lock body panel 1 installed on one side of the lock body box 2, a latch bolt 31 capable of extending out and retracting from the lock body panel 1, a latch bolt holder 32 installed in the lock body box 2 and used for installing the latch bolt 31, and an elastic device 33 for pushing the latch bolt 31 to extend out of the lock body panel 1, and a latch bolt locking mechanism is provided in the lock body box 2 for limiting retraction of the latch bolt 31 after the latch bolt 31 extends out of the lock body panel 1. When the anti-theft door is closed, the elastic device 33 pushes the latch bolt 31 to extend out of the lock body panel 1, the latch bolt 31 is clamped in the latch bolt hole 41 of the outer door fastening plate 4, at this time, the latch bolt locking mechanism moves to the rear of the latch bolt 31, for example, as shown in fig. 1, the lower right of the latch bolt 31 is set as the rear, and the upper left of the latch bolt 31 is set as the front; if a lawless person wants to violently open the door, the latch bolt 31 is locked tightly by the latch bolt locking mechanism and cannot retract backwards, so that the door cannot be opened. When the anti-theft door needs to be opened, the latch bolt locking mechanism is separated from the rear of the latch bolt 31, the latch bolt 31 retracts into the lock body panel 1 after being released, and the anti-theft door can be smoothly opened.
More specifically, referring to fig. 3, the latch bolt 31 includes a first latch bolt 311 and a second latch bolt 312, the latch bolt holder 32 is provided with mounting portions 38 corresponding to the two first latch bolts 311 and the second latch bolt 312, the first latch bolt 311 and the second latch bolt 312 are respectively rotatably mounted on the corresponding mounting portions 38, a central axis 381 passing through the first latch bolt 311 and the second latch bolt 312 is respectively disposed between the two mounting portions 38, when the first latch bolt 311 rotates, the corresponding mounting portion 38 rotates around the central axis 381, and similarly, when the second latch bolt 312 rotates, the corresponding mounting portion 38 rotates around the central axis 381. The second sub-tongue 312 is rotatably mounted on the second mounting portion 38. The side surfaces of the first sub-tongue 311 and the second sub-tongue 312 are respectively provided with a pose adjusting table 39, and the pose adjusting tables 39 are respectively fixedly connected with the first sub-tongue 311 and the second sub-tongue 312. Preferably, the posture adjustment stage 39 is a stage having a flat surface. Taking fig. 1 as an example, when a door is closed (taking the door closing direction as an example that the first sub-tongue 311 first touches the door frame), the lock body is fastened to the door fastening plate 4, the first sub-tongue 311 will rotate along with the door closing action after touching the door fastening plate 4, the second sub-tongue 312 also touches the door fastening plate 4 later, then the first sub-tongue 311 and the second sub-tongue 312 move backwards along with the door closing action together, and after the door is closed to a proper position, both the two latch tongues 31 are locked in the latch tongue holes 41; at this time, the posture adjustment table 39 abuts against the lock body panel 1, and the posture adjustment table 39 and the plane of the lock body panel 1 are in close contact with each other or tend to move in close contact with each other. Because the position adjusting platform 39 is fixedly connected to the first sub-tongue 311 and the second sub-tongue 312, when the position adjusting platform 39 and the plane of the lock body panel 1 are tightly attached to each other, the first sub-tongue 311 and the second sub-tongue 312 face a fixed direction, and the structure and direction formed by the first sub-tongue 311 and the second sub-tongue 312 and the respective position adjusting platform 39 of this embodiment are such that, in order to make the first sub-tongue 311 and the second sub-tongue 312 open in opposite directions, so that the first sub-tongue 311 and the second sub-tongue 312 tightly abut against the mutually opposite side walls of the oblique tongue hole 41, and the first sub-tongue 311 and the second sub-tongue 312 abut against the two side walls of the oblique tongue hole 41 in the oblique tongue hole 41, thereby positioning the lock body 4 is achieved, and the main tongue of the lock body is conveniently locked into the main tongue hole provided on the door opening plate 4.
Of course, the position adjusting platform 39 may also be another structure, for example, not a flat platform, as long as the structure of the position adjusting platform 39 satisfies that when the lock body panel 1 is in the process of contacting completely from the initial contact, the first sub-tongue 311 and the second sub-tongue 312 will gradually open in opposite directions to abut against the mutually opposite side walls of the inclined tongue hole 41, which is the protection scope of the present invention.
Further, referring to fig. 1 and 2, the rear end of the latch bracket 32 is provided with a latch rod 35 which moves back and forth with the latch 31; the latch bolt locking mechanism comprises a stop lever mechanism which can move to the rear end of the latch bolt rod 35 and limits the backward movement of the latch bolt rod 35 after the latch bolt 31 extends out of the lock body panel 1. The elastic device 33 is a latch bolt spring, and the latch bolt spring is sleeved on the latch bolt rod 35 and is abutted between the latch bolt frame 32 and the latch bolt seat 36. When the door is closed, the latch bolt 31 abuts against the door buckle plate 4 and is gradually buckled to the door buckle plate 4, the latch bolt rod 35 drives the latch bolt frame 32 to move backwards, and the latch bolt frame 32 drives the latch bolt 31 to move backwards; when the door is closed, under the elastic action of the latch bolt spring, the latch bolt rod 35 drives the latch bolt frame 32 to move forward, the latch bolt frame 32 drives the latch bolt 31 to move forward, the latch bolt 31 extends into the latch bolt hole 41, and at the moment, the stop lever mechanism moves to the rear of the latch bolt 31 to stop the latch bolt 31 from retracting backwards.
Further, referring to fig. 1 and 2, the latch bolt locking mechanism further includes a latch bolt seat 36 fixedly disposed in the lock body box 2, a rod hole corresponding to the latch bolt rod 35 is disposed on the latch bolt seat 36, and the blocking rod mechanism can move to block or unblock the rod hole. When the door is closed, the blocking lever mechanism moves to the rear of the latch tongue 31, and at the moment, the blocking lever mechanism blocks the lever hole, and the latch tongue 31 cannot retract backwards into the lever hole. When the door is opened, the stop lever mechanism leaves behind the latch bolt 31, and at the moment, the stop lever mechanism releases the blocking lever hole, and the latch bolt 31 can be retracted backwards into the lever hole, so that the door opening operation is completed smoothly.
Specifically, referring to fig. 1 and fig. 2, the blocking lever mechanism includes a blocking plate 3411, a sliding groove intersecting with the lever hole is disposed on the oblique tongue seat 36, and the blocking plate 3411 is disposed in the sliding groove and can slide in the sliding groove, so as to movably block or unblock the lever hole. The stop lever mechanism further comprises a power device, and the power device is connected with the baffle 3411 and pushes the baffle 3411 to move in the sliding groove. During the door closing operation, the power unit drives the baffle 3411 to move in the sliding groove, the baffle 3411 moves to the rear of the latch bolt 31, the baffle 3411 shields the rod hole, and the latch bolt 31 cannot retract backwards into the rod hole. When the door is opened, the power unit drives the baffle 3411 to move in the sliding groove in the opposite direction, the baffle 3411 moves away from the rear of the latch bolt 31, the baffle 3411 releases the blocking of the rod hole, and the latch bolt 31 is retracted back into the rod hole. The power device is not limited, and may be a driving motor or other devices as long as the baffle 3411 can be driven to move.
Preferably, referring to fig. 1, a return spring 37 is disposed between the oblique tongue seat 36 and the baffle 3411, the return spring 37 is disposed adjacent to the oblique tongue seat 36 and on the sliding groove, when the baffle 3411 moves to the rear of the oblique tongue 31, the return spring 37 is in a compressed state, and when the baffle 3411 needs to be disengaged from the rear of the oblique tongue 31, the return spring 37 is released, and the elastic force thereof pushes the baffle 3411 to move in the opposite direction, so that the baffle 3411 moves away from the rear of the oblique tongue 31.
In this embodiment, referring to fig. 4, the oblique tongue rod 35 is provided with a frustum 351 converging toward the middle part at one end extending into the rod hole, and the frustum 351 and the oblique tongue rod 35 are integrally formed. When the baffle 3411 is in a locked state, the baffle 3411 is behind the latch 31, and the frustum 351 and the blocking mechanism are in interference with each other. When the baffle 3411 needs to be separated from the back of the latch bolt 31, the frustum 351 gradually extends into the bolt hole along with the latch bolt rod 35, and the frustum 351 can apply a force to the baffle 3411, so that the baffle 3411 is separated from the back of the latch bolt 31 gradually; when the stop 3411 contacts the latch rod 35 and under the elastic force of the return spring 37, the stop 3411 is disengaged from behind the latch bolt 31, and the latch bolt 31 is retracted into the lock body panel 1.
The utility model also provides a preferred embodiment of burglary-resisting door.
The anti-theft door comprises a door plate, wherein the door plate is provided with the lock body. When the security door is closed, the door plate is locked by the lock body, and when the security door is opened, the door plate is unlocked by the lock body.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a lock body, includes lock body panel, lock body box, can stretch out and retract the oblique tongue of lock body panel, locate and be used for the installation in the lock body box the oblique tongue frame and the promotion of oblique tongue stretch out the resilient means of lock body panel, its characterized in that: be equipped with in the lock body box oblique tongue stretches out restriction behind the lock body panel oblique tongue locking mechanical system that the oblique tongue withdrawed, the oblique tongue includes first sub-tongue and the sub-tongue of second, be equipped with on the oblique tongue frame with two the installation department that first sub-tongue and the sub-tongue of second correspond, first sub-tongue and the sub-tongue of second rotate to install in the installation department that corresponds.
2. The lock body of claim 1, wherein: the rear end of the latch bolt frame is provided with a latch bolt rod which moves back and forth along with the latch bolt; the latch bolt locking mechanism comprises a stop lever mechanism which can move to the rear end of the latch bolt rod and limits the backward movement of the latch bolt rod after the latch bolt extends out of the lock body panel.
3. A lock body according to claim 2, characterized in that: the latch bolt locking mechanism further comprises a latch bolt seat fixedly arranged in the lock body box, a rod hole matched with the latch bolt rod is formed in the latch bolt seat, and the blocking rod mechanism can movably block or unblock the rod hole.
4. A lock body according to claim 3, characterized in that: the stop lever mechanism comprises a baffle, a chute which is intersected with the lever hole is arranged on the oblique tongue seat, and the baffle is arranged in the chute and can move to shield or remove the shielding of the lever hole.
5. The lock body of claim 4, wherein: the stop lever mechanism further comprises a power device, and the power device is connected with the baffle and pushes the baffle to move in the sliding groove.
6. The lock body of claim 5, wherein: and a return spring is arranged between the inclined tongue seat and the baffle.
7. A lock body according to any one of claims 2 to 6, wherein: the elastic device is a latch bolt spring which is sleeved on the latch bolt rod and is abutted between the latch bolt frame and the latch bolt seat.
8. The lock body of claim 1, wherein: and when the pose adjusting platform abuts against the lock body panel, the first sub-tongue and the second sub-tongue open towards opposite directions.
9. The utility model provides a burglary-resisting door, includes the door plant, its characterized in that: the door plate is provided with the lock body as claimed in any one of claims 1 to 8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821157553 | 2018-07-20 | ||
| CN2018211575538 | 2018-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209817617U true CN209817617U (en) | 2019-12-20 |
Family
ID=68867864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821314892.2U Active CN209817617U (en) | 2018-07-20 | 2018-08-15 | Lock body and antitheft door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209817617U (en) |
-
2018
- 2018-08-15 CN CN201821314892.2U patent/CN209817617U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200810 Address after: 518000 Longxin Community Fengda Science and Technology Park Phase II Building 703, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Romans Smart Home Co.,Ltd. Address before: 518000 Building D of Longda Industrial Park, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ROMANCE TECHNOLOGY Co.,Ltd. |