CN216043102U - Gear type back locking mechanism of door lock - Google Patents
Gear type back locking mechanism of door lock Download PDFInfo
- Publication number
- CN216043102U CN216043102U CN202122405779.3U CN202122405779U CN216043102U CN 216043102 U CN216043102 U CN 216043102U CN 202122405779 U CN202122405779 U CN 202122405779U CN 216043102 U CN216043102 U CN 216043102U
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- locking
- door
- handle
- back locking
- button
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Abstract
The utility model discloses a gear type counter lock mechanism of a door lock, which 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 anti-locking assembly comprises an anti-locking driving piece and an anti-locking gear, the anti-locking driving piece is rotatably arranged on the door inner handle, the anti-locking gear is connected with the rotating rod, when one end of the anti-locking driving piece is provided with a tooth part which is meshed with the anti-locking gear for anti-locking operation, the anti-locking driving piece is only required to be stirred to one side, the anti-locking driving piece drives the rotating rod to rotate through the anti-locking gear, and the locking assembly is driven through the rotating rod to lock the door outer handle; so that the door outer handle and the door inner handle can not be rotated to open the door; the back locking operation is simplified; the structure is simple.
Description
Technical Field
The utility model relates to the technical field of door locks, in particular to a gear 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 gear type back locking mechanism of a door lock.
In order to achieve the purpose, the utility model provides the following technical scheme:
a gear 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 driving piece and a back locking gear, the back locking driving piece is rotatably arranged on the inner handle of the door, the back locking gear is connected with the rotating rod, and a tooth part meshed with the back locking gear is arranged at one end part of the back locking driving piece;
when the anti-lock driving piece is stirred to one side, the anti-lock driving piece drives the rotating rod to rotate by driving the anti-lock gear, so that the locking assembly is driven to limit the rotation of the outer door handle.
The utility model further provides that: and the other end of the back locking driving piece penetrates out of the inner door handle and is provided with a back locking button.
The utility model further provides that: and the side wall 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 button sliding block is sleeved outside the back locking button and is arranged on the back locking window in a sliding mode;
the button slider is seted up and is supplied the anti-groove of rotating of locking button pivoted, and wherein the anti-inslot is arranged in to the anti-button of locking, slides at the anti-window of locking when promoting the button slider, the inside wall in rotation groove offsets with the anti-button of locking and orders about the anti-driving piece of locking through promoting the anti-button of locking and rotate.
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 driving piece is only needed to be stirred to one side, and the reverse locking driving piece 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; so that the door opening operation can not be carried out 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; simultaneously, tooth portion and back locking gear mesh mutually, have self-locking function for the structure of back locking mechanism is more stable.
Drawings
FIG. 1 is a schematic structural view of a gear type back locking mechanism of a door lock according to the present invention;
FIG. 2 is a schematic structural view of a gear type back locking mechanism of a door lock without a square shaft according to the present invention;
FIG. 3 is a schematic structural view of an inner door handle of the gear type back locking mechanism of the door lock of the present invention;
FIG. 4 is an installation view of the back lock assembly of the gear type back lock mechanism of the door lock in the door inner handle according to the present invention;
FIG. 5 is a schematic structural view of a back locking assembly of the gear type back locking mechanism of the door lock of the present invention;
FIG. 6 is a schematic structural view of an outside door handle of the gear type back locking mechanism of the door lock of the present invention;
FIG. 7 is a schematic structural view of an outer panel of a gear type back locking mechanism of a door lock according to the present invention;
FIG. 8 is a view of the locking assembly and the lock core of the gear type back locking mechanism of the door lock of the present invention;
FIG. 9 is a view showing the engagement of the locking cam and the locking ball of the gear type back locking mechanism of the door lock according to the present invention;
FIG. 10 is a schematic view of the structure of the locking cam of the gear type back locking mechanism of the door lock of 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. a back locking drive; 411. a tooth portion; 412. a back locking button; 413. a button slider; 4131. a rotating groove; 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
The gear type back locking mechanism of a door lock according to the present invention will be described in further detail with reference to fig. 1 to 10.
A gear type counter 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 driving part 41 which is rotatably arranged on the inner door handle 1 and a back locking gear 42 which is connected with the rotating rod 6, and one end part of the back locking driving part 41 is provided with a tooth part 411 which is meshed with the back locking gear 42;
when the door lock is reversely locked, the reverse locking driving piece 41 is only needed to be shifted to one side, the reverse locking driving piece 41 drives the rotating rod 6 to rotate by driving the reverse locking gear 42, so that the locking component 5 limits the rotation of the door outer handle 2; so that the door opening operation can not be carried out 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 tooth part 411 is meshed with the back locking gear 42, so that the self-locking function is realized, and the structure of the back locking mechanism is more stable;
when the reverse locking driving piece 41 is pulled reversely, the locking of the door outer handle 2 can be released, and the operation is very convenient; 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.
The other end of the locking driving piece 41 penetrates through the inner door handle 1 and is provided with a locking button 412; when the back locking operation is carried out, only the back locking button 412 outside the back locking window 11 needs to be pushed, and the operation is convenient.
The button sliding block 413 is sleeved outside the back locking button 412, and the button sliding block 413 is arranged on the back locking window 11 in a sliding mode;
the button sliding block 413 is provided with a rotating groove 4131 for rotating the back locking button 412, wherein the back locking button 412 is arranged in the rotating groove 4131, when the back locking operation is performed, the button sliding block 413 is pushed to slide in the back locking window 11, the inner side wall of the rotating groove 4131 abuts against the back locking button 412, and the back locking driving member 41 is driven to rotate by pushing the back locking button 412; so that the back locking operation is smoother and more labor-saving.
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 part of the square shaft sleeve 53 is fixedly connected with the door outer handle 2, and the other end part of the square shaft sleeve 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 (7)
1. A gear 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 method is characterized in that: 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 driving piece and a back locking gear, the back locking driving piece is rotatably arranged on the inner handle of the door, the back locking gear is connected with the rotating rod, and a tooth part meshed with the back locking gear is arranged at one end part of the back locking driving piece;
when the anti-lock driving piece is stirred to one side, the anti-lock driving piece drives the rotating rod to rotate by driving the anti-lock gear, so that the locking assembly is driven to limit the rotation of the outer door handle.
2. The gear type back locking mechanism of door lock as claimed in claim 1, wherein: and the other end of the back locking driving piece penetrates out of the inner door handle and is provided with a back locking button.
3. The gear type back locking mechanism of door lock as claimed in claim 2, wherein: and the side wall of the inner door handle is provided with a back locking window for the back locking button to move left and right.
4. The gear type back locking mechanism of door lock as claimed in claim 3, wherein: the button sliding block is sleeved outside the back locking button and is arranged on the back locking window in a sliding mode;
the button slider is seted up and is supplied the anti-groove of rotating of locking button pivoted, and wherein the anti-inslot is arranged in to the anti-button of locking, slides at the anti-window of locking when promoting the button slider, the inside wall in rotation groove offsets with the anti-button of locking and orders about the anti-driving piece of locking through promoting the anti-button of locking and rotate.
5. The gear type back locking mechanism of door lock as claimed in claim 1, 2, 3 or 4, wherein: 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.
6. The gear type back locking mechanism of door lock as claimed in claim 5, wherein: 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.
7. The gear type back locking mechanism of door lock as claimed in claim 5 or 6, wherein: the other end of the locking cam is connected with the lock cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122405779.3U CN216043102U (en) | 2021-09-30 | 2021-09-30 | Gear type back locking mechanism of door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122405779.3U CN216043102U (en) | 2021-09-30 | 2021-09-30 | Gear type back locking mechanism of door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043102U true CN216043102U (en) | 2022-03-15 |
Family
ID=80608131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122405779.3U Active CN216043102U (en) | 2021-09-30 | 2021-09-30 | Gear type back locking mechanism of door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216043102U (en) |
-
2021
- 2021-09-30 CN CN202122405779.3U patent/CN216043102U/en active Active
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