CN216110120U - Rack type back locking mechanism of door lock - Google Patents
Rack type back locking mechanism of door lock Download PDFInfo
- Publication number
- CN216110120U CN216110120U CN202122405727.6U CN202122405727U CN216110120U CN 216110120 U CN216110120 U CN 216110120U CN 202122405727 U CN202122405727 U CN 202122405727U CN 216110120 U CN216110120 U CN 216110120U
- Authority
- CN
- China
- Prior art keywords
- locking
- lock
- door
- handle
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B13/00—Devices preventing the key or the handle or both from being used
- E05B13/002—Devices preventing the key or the handle or both from being used locking the handle
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B13/00—Devices preventing the key or the handle or both from being used
- E05B13/10—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle
- E05B13/106—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle for handles pivoted about an axis perpendicular to the wing
- E05B13/108—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle for handles pivoted about an axis perpendicular to the wing the lock coaxial with spindle
Landscapes
- Lock And Its Accessories (AREA)
Abstract
本实用新型公开了一种门锁的齿条式反锁机构，包括门内把手和门外把手，所述门内把手转动设置在内面板上，门外把手转动设置在外面板上，其中门内把手和门外把手通过方轴相连接；所述门内把手安装有反锁组件，所述门外把手安装有锁定组件，所述反锁组件通过转动杆与锁定组件联动连接；所述反锁组件包括滑动设置于门内把手的反锁齿框和与转动杆相连接的反锁齿轮，所述反锁齿框的内侧壁设有反锁齿条，其中反锁齿轮置于反锁齿框内，并与反锁齿框内的反锁齿条相啮合；仅需推动反锁齿框在门内把手滑动，所述反锁齿框通过带动反锁齿轮驱使转动杆转动，通过转动杆带动锁定组件，使锁定组件限制门外把手转动；简化反锁操作；结构简单、外观简约。
The utility model discloses a rack-type anti-locking mechanism of a door lock, which comprises an inner door handle and an outer door handle. The inner door handle is pivotally arranged on an inner panel, and the outer door handle is pivotally arranged on the outer panel. It is connected with the outer door handle through a square shaft; the inner door handle is equipped with an anti-lock assembly, the outer door handle is equipped with a locking assembly, and the anti-lock assembly is linked with the locking assembly through a rotating rod; the anti-lock assembly includes a sliding set The anti-lock gear frame of the door handle and the anti-lock gear connected with the rotating rod, the inner side wall of the anti-lock gear frame is provided with an anti-lock gear rack, wherein the anti-lock gear is placed in the anti-lock gear frame and is connected with the anti-lock gear frame. The racks are meshed; it is only necessary to push the anti-lock gear frame to slide on the inner handle of the door, the anti-lock gear frame drives the rotation rod to rotate by driving the anti-lock gear, and drives the locking assembly through the rotating rod, so that the locking assembly restricts the rotation of the outer door handle; simplifying the anti-lock operation ; Simple structure and simple appearance.
Description
Technical Field
The utility model relates to the technical field of door locks, in particular to a rack type back locking mechanism of a door lock.
Background
The door lock is a commonly used door protection device for preventing illegal invasion, and generally comprises a lock body, an inner door handle and an outer door handle which are arranged inside and outside a door, and a back locking mechanism; the door lock back locking mechanism is an internal door lock mechanism arranged for improving indoor privacy; the back locking mechanism of the existing door lock is usually arranged on the door lock independently from the door handle in a split manner, and can occupy the independent space of the door lock, so that the structure is complex and the appearance of the door lock is influenced; in addition, the existing back locking mechanism mostly adopts a knob type operation mode, and has the problem of unchanged operation.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a rack type back locking mechanism of a door lock.
In order to achieve the purpose, the utility model provides the following technical scheme:
a rack type back locking mechanism of a door lock comprises an inner door handle and an outer door handle, wherein the inner door handle is rotatably arranged on an inner panel, the outer door handle is rotatably arranged on an outer panel, and the inner door handle and the outer door handle are connected through a square shaft; the door inner handle is provided with a back locking assembly, the door outer handle is provided with a locking assembly, and the back locking assembly is in linkage connection with the locking assembly through a rotating rod;
the back locking assembly comprises a back locking toothed frame arranged on the door inner handle in a sliding mode and a back locking gear connected with the rotating rod, wherein a back locking rack is arranged on the inner side wall of the back locking toothed frame, and the back locking gear is arranged in the back locking toothed frame and meshed with the back locking rack in the back locking toothed frame;
when the back locking tooth frame is pushed, the sliding back locking tooth frame drives the rotating rod to rotate by driving the back locking gear, so that the locking assembly is driven to limit the rotation of the door outer handle.
The utility model further provides that: and a back locking button is arranged at one end part of the back locking toothed frame and penetrates out of the lower end face of the inner door handle.
The utility model further provides that: and the lower end surface of the inner door handle is provided with a back locking window for the back locking button to move left and right.
The utility model further provides that: the locking assembly comprises a square shaft sleeve, a locking cam and a locking ball matched with the locking cam, one end of the square shaft sleeve is fixedly connected with the door outer handle, and the other end of the square shaft sleeve penetrates through a locking seat of the outer panel to be connected with the square shaft;
the locking cam is rotatably arranged in the square shaft sleeve, and one end part of the locking cam is connected with the rotating rod;
when the rotating rod drives the locking cam to rotate, the locking cam enables the locking ball to extrude outwards, and a part of the locking ball penetrates through the ball hole of the square shaft sleeve and is arranged in the locking groove of the locking seat.
The utility model further provides that: the locking cam is provided with two cam surfaces matched with the locking balls, and the cam surfaces are symmetrically arranged on the locking cam.
The utility model further provides that: the other end of the locking cam is connected with the lock cylinder.
The utility model has the beneficial effects that: the back locking assembly and the locking assembly of the door lock are respectively arranged on the door inner handle and the door outer handle, so that the installation space is saved, and the structure of the door lock is simplified; the door lock is simpler in structure and simpler in appearance; when the door lock is reversely locked, the reverse locking gear frame is only required to be pushed to slide on the inner door handle, and the reverse locking gear frame drives the rotating rod to rotate by driving the reverse locking gear, so that the locking assembly limits the rotation of the outer door handle; therefore, people cannot open the door by rotating the door outer handle or the door inner handle; the existing door lock is replaced by the door lock, and the back locking operation is carried out through rotating a knob, so that the operation mode of back locking is simplified; meanwhile, the back locking rack is meshed with the back locking gear, and the back locking gear has a self-locking function, so that the structure of the back locking mechanism is more stable.
Drawings
Fig. 1 is a schematic structural view of a rack bar type back locking mechanism of a door lock according to the present invention;
FIG. 2 is a schematic structural view of a door lock with a square shaft removed, showing a rack type lock mechanism of the present invention;
FIG. 3 is a schematic view of the inner door handle of the rack type locking mechanism of the door lock according to the present invention;
FIG. 4 is an installation view of the back locking assembly of the rack type back locking mechanism of the door lock in the door inner handle according to the present invention;
fig. 5 is an installation view of a rotating lever of a rack type back locking mechanism of a door lock in a back locking assembly according to the present invention;
FIG. 6 is a schematic view of the structure of the outside handle of the rack type locking mechanism of the door lock of the present invention;
FIG. 7 is a schematic structural view of an outer panel of a rack type lock reversing mechanism of a door lock according to the present invention;
FIG. 8 is a view of the locking assembly and key cylinder of the rack bar type lock mechanism of a door lock of the present invention in combination;
FIG. 9 is a view showing the engagement of the locking cam and the locking ball of the rack type lock reversing mechanism of the door lock according to the present invention;
fig. 10 is a schematic view showing a structure of a locking cam of a rack type unlocking mechanism of a door lock according to the present invention;
description of reference numerals: 1. an inner door handle; 11. locking the window reversely; 2. an exterior door handle; 3. a square shaft; 4. a back locking assembly; 41. reversely locking the gear frame; 411. back locking the rack; 412. a back locking button; 42. a back lock gear; 5. a locking assembly; 51. a locking cam; 511. a cam surface; 52. locking the ball; 53. a square shaft sleeve; 531. a ball hole; 6. rotating the rod; 7. a lock cylinder; 8. an inner panel; 9. an outer panel; 91. a locking seat; 911. a locking groove.
Detailed Description
A rack bar type lock reversing mechanism of a door lock according to the present invention will be described in further detail with reference to fig. 1 to 10.
A rack type back locking mechanism of a door lock comprises an inner door handle 1 and an outer door handle 2, wherein the inner door handle 1 is rotatably arranged on an inner panel 8, the outer door handle 2 is rotatably arranged on an outer panel 9, the inner door handle 1 and the outer door handle 2 are connected through a square shaft 3, the inner panel 8 is fixed on an inner door panel, and the outer panel 9 is fixed on an outer door panel; the door inner handle 1 is provided with a back locking assembly 4, the door outer handle 2 is provided with a locking assembly 5, and the back locking assembly 4 is in linkage connection with the locking assembly 5 through a rotating rod 6; the back locking assembly 4 comprises a back locking toothed frame 41 arranged on the door inner handle 1 in a sliding manner and a back locking gear 42 connected with the rotating rod 6, wherein a back locking rack 411 is arranged on the inner side wall of the back locking toothed frame 41, and the back locking gear 42 is arranged in the back locking toothed frame 41 and is meshed with the back locking rack 411 in the back locking toothed frame 41; when the door lock is operated reversely, the reverse locking toothed frame 41 is only required to be pushed to slide on the inner door handle 1, and the reverse locking toothed frame 41 drives the rotating rod 6 to rotate by driving the reverse locking gear 42, so that the locking assembly 5 limits the rotation of the outer door handle 2; therefore, people cannot open the door by rotating the door outer handle 2 or the door inner handle 1; the existing door lock is replaced by the door lock, and the back locking operation is carried out through rotating a knob, so that the operation mode of back locking is simplified; meanwhile, the back locking rack 411 is meshed with the back locking gear 42, so that the structure of the back locking mechanism is more stable.
When the back locking mechanism unlocks the door outer handle 2, the locking of the door outer handle 2 can be released only by pushing the back locking toothed frame 41 in the reverse direction, so that the operation is very convenient and fast; in addition, the back locking assembly 4 and the locking assembly 5 of the door lock are respectively arranged on the door inner handle 1 and the door outer handle 2, so that the installation space is saved, and the structure of the door lock is simplified; the door lock is simpler in structure and simpler in appearance.
One end of the back locking toothed frame 41 is provided with a back locking button 412, and the back locking button 412 penetrates out of the back locking window 11 on the lower end face of the inner door handle 1; when the back locking or unlocking operation is carried out, only the back locking button 412 in the back locking window 11 needs to be pushed or pulled, and the operation is convenient.
The locking assembly 5 comprises a square shaft sleeve 53, a locking cam 51 and a locking ball 52 matched with the locking cam 51, one end of the square shaft sleeve 53 is fixedly connected with the door outer handle 2, and the other end passes through a locking seat 91 of the outer panel 9 to be connected with the square shaft 3; the locking cam 51 is rotatably arranged in the square shaft sleeve 53, and one end part of the locking cam 51 is connected with the rotating rod 6; when the rotating lever 6 rotates the locking cam 51, the locking cam 51 causes the locking balls 52 to be pressed outward, so that a portion of the locking balls 52 is placed in the locking groove 911 of the locking seat 91 through the ball hole 531 of the square shaft sleeve 53; the door outer handle 2 is locked on the locking seat 91, and the rotation of the door outer handle 2 on the outer panel 9 is limited; so that people can not rotate the door outer handle 2, and can not open the door; meanwhile, the inner door handle 1 is connected with the outer door handle 2 through the square shaft 3, and the inner door handle 1 is also locked.
Two cam surfaces 511 matched with the locking balls 52 are arranged on the locking cam 51, and the cam surfaces 511 are symmetrically arranged on the locking cam 51; when the rotating lever 6 rotates the locking cam 51, the cam surface 511 presses the locking ball 52 outward.
The other end of the locking cam 51 is connected with the lock cylinder 7, so that a door lock key can be used to insert the lock cylinder 7 from the outside of the door, and the locking cam 51 is rotated to perform the back locking or unlocking operation.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122405727.6U CN216110120U (en) | 2021-09-30 | 2021-09-30 | Rack type back locking mechanism of door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122405727.6U CN216110120U (en) | 2021-09-30 | 2021-09-30 | Rack type back locking mechanism of door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216110120U true CN216110120U (en) | 2022-03-22 |
Family
ID=80690829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122405727.6U Active CN216110120U (en) | 2021-09-30 | 2021-09-30 | Rack type back locking mechanism of door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216110120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4497900A1 (en) | 2023-07-26 | 2025-01-29 | Wenzhou Ruiji Hardware Products Co., Ltd. | Handle lock |
-
2021
- 2021-09-30 CN CN202122405727.6U patent/CN216110120U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4497900A1 (en) | 2023-07-26 | 2025-01-29 | Wenzhou Ruiji Hardware Products Co., Ltd. | Handle lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240329 Address after: 528400, 7th Floor, No. 40 Dongsheng East Road, Xiaolan Town, Zhongshan City, Guangdong Province Patentee after: Guangdong Yist Hardware Technology Co.,Ltd. Country or region after: China Address before: 325000 No. 4, building 8, Zhongxuan Road, Yongxing street, Longwan District, Wenzhou City, Zhejiang Province Patentee before: WENZHOU KABINSI INTELLIGENT TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |