CN218467347U - Back locking structure of ecological door lock - Google Patents
Back locking structure of ecological door lock Download PDFInfo
- Publication number
- CN218467347U CN218467347U CN202222695020.8U CN202222695020U CN218467347U CN 218467347 U CN218467347 U CN 218467347U CN 202222695020 U CN202222695020 U CN 202222695020U CN 218467347 U CN218467347 U CN 218467347U
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- door lock
- back locking
- positioning elastic
- locking knob
- square shaft
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Abstract
The utility model discloses a back locking structure of an ecological door lock, which comprises a door lock base and a door lock handle, wherein the door lock handle is rotationally arranged on the door lock base and is rotationally provided with a back locking knob; two oppositely arranged positioning elastic sheets are arranged in the door lock handle, and a convex part is arranged in the inward bulge of each positioning elastic sheet; the outer side wall of the anti-locking knob is circumferentially provided with a plurality of convex blocks at intervals, when the anti-locking knob is positioned at an anti-locking position or an unlocking position, the corresponding convex blocks can outwards extrude the convex parts of the positioning elastic pieces, and the positioning elastic pieces can prevent the anti-locking knob from rotating; the reverse locking knob can be stably positioned at an unlocking position; the door lock can accurately control the rotation angle of the back locking knob, so that the accuracy of back locking or unlocking operation is achieved; meanwhile, the back locking structure of the door lock is simplified, and the production cost is effectively reduced.
Description
Technical Field
The utility model relates to a lock technical field, more specifically say, it relates to a back locking structure of ecological lock.
Background
The door lock is a common door protection device for preventing illegal invasion, and generally comprises an inner handle arranged on an inner door plate, an outer handle arranged on an outer door plate and a back locking mechanism; the anti-locking mechanism can lock the inner handle and the outer handle, so that people cannot rotate the inner handle or the outer handle to open the door, and the indoor privacy can be effectively improved;
the ecological door lock is simple in appearance and widely accepted by the market, and a counter lock knob in a counter lock mechanism of the existing ecological door lock drives a counter lock rod to rotate through a gear assembly and locks the counter lock or unlocking state of the counter lock knob through the self-locking function of the gear assembly; for example, the publication number is CN216043102U, the patent name is a gear type back locking mechanism of door lock; the handle in the door is provided with an anti-lock assembly, and the anti-lock assembly is in linkage connection with a 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; namely, the back locking knob is matched with a back locking gear through a back locking driving piece to drive a rotating rod so as to realize the back locking and unlocking operation of the door lock; however, the door lock has the defects of complex structure and higher production cost of the back locking structure.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to provide a back locking structure of ecological lock.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the back locking structure of the ecological door lock comprises a door lock base and a door lock handle, wherein the door lock handle is rotatably arranged on the door lock base and is rotatably provided with a back locking knob; two oppositely arranged positioning elastic sheets are arranged in the door lock handle, and a convex part is arranged in the inward bulge of each positioning elastic sheet;
the outer side wall of the anti-locking knob is circumferentially provided with a plurality of convex blocks at intervals, when the anti-locking knob is located at an anti-locking position or an unlocking position, the corresponding convex blocks can outwards extrude the convex parts of the positioning elastic pieces, and the positioning elastic pieces can prevent the anti-locking knob from rotating.
The utility model discloses further set up: the number of the convex blocks is four, two opposite convex blocks can respectively outwards extrude the corresponding positioning elastic sheets when the counter lock knob is in the counter lock position, and the other two opposite convex blocks outwards extrude the corresponding positioning elastic sheets when the counter lock knob is in the unlock position.
The utility model discloses further set up: the door lock handle comprises a handle body and a square shaft sleeve, wherein the upper end part of the square shaft sleeve is connected with the handle body and is provided with a mounting hole for mounting a back locking knob.
The utility model discloses further set up: the upper end of the square shaft sleeve is downwards sunken to be provided with a clamping groove for installing the positioning elastic sheet, the two end parts of the positioning elastic sheet are clamped in the clamping groove, and the protruding parts are arranged in the mounting holes.
The utility model discloses further set up: the upper end of lock base is equipped with the uide bushing, the square shaft cover rotates and sets up in the inboard of uide bushing, the handle body rotates and sets up in the outside of uide bushing.
The utility model discloses further set up: be equipped with the stopper on the inside wall of uide bushing, when the square shaft cover rotated, this stopper supported with the square shaft cover and prevented the square shaft cover to continue to rotate.
The utility model discloses beneficial effect: the anti-locking knob rotates towards the anti-locking position, when the anti-locking knob is located at the anti-locking position, the corresponding convex block on the anti-locking knob can outwards extrude the convex part of the positioning elastic sheet, the elastic force of the positioning elastic sheet counteracts the convex block, and the two positioning elastic sheets can oppositely extrude the anti-locking knob to prevent the anti-locking knob from rotating, so that the anti-locking knob can be stably located at the anti-locking position; then reversely rotating the counter lock knob, rotating towards the unlocking position, when the door lock is unlocked, the lug which is positioned at the counter lock position and extrudes the positioning elastic sheet can be separated from the positioning elastic sheet, and the lug which is spaced from the positioning elastic sheet can rotate towards the positioning elastic sheet; the lugs arranged on the side wall of the back locking knob at intervals in the circumferential direction are matched with the positioning elastic sheets, so that the back locking knob can accurately control the rotation angle when performing back locking rotation or unlocking rotation, and the accuracy of back locking or unlocking operation is achieved; meanwhile, the back locking structure of the door lock is simplified, and the production cost is effectively reduced.
Drawings
Fig. 1 is a schematic structural view of a back locking structure of an ecological door lock of the present invention;
fig. 2 is a matching view of the locking knob and the positioning elastic sheet of the locking structure of the ecological door lock of the present invention;
fig. 3 is a schematic structural view of a back locking knob of the back locking structure of the ecological door lock of the present invention;
fig. 4 is a schematic structural view of a square shaft sleeve of the back locking structure of the ecological door lock of the present invention;
fig. 5 is a schematic structural view of a positioning elastic sheet of the back locking structure of the ecological door lock of the present invention;
fig. 6 is a schematic structural view of a door lock base of the back locking structure of the ecological door lock of the present invention;
description of reference numerals: 1. a door lock base; 11. the guide sleeve 111, the limiting block 2, the door lock handle 21 and the handle body; 22. the square shaft sleeve 221, the clamping groove 222, the positioning elastic sheet 2221 and the convex part; 223. mounting holes; 23. a back locking knob; 231. and (4) a bump.
Detailed Description
The back locking structure of the ecological door lock of the present invention will be further described in detail with reference to fig. 1 to 6.
The back locking structure of the ecological door lock comprises a door lock base 1 and a door lock handle 2, wherein the door lock handle 2 is rotatably arranged on the door lock base 1, and the door lock handle 2 is rotatably provided with a back locking knob 23; two oppositely arranged positioning elastic sheets 222 are arranged in the door lock handle 2, and a protruding part 2221 is arranged on each positioning elastic sheet 222 in an inward protruding manner; a plurality of convex blocks 231 are circumferentially arranged on the outer side wall of the anti-locking knob 23 at intervals, when the anti-locking knob 23 is located at an anti-locking position or an unlocking position, the corresponding convex blocks 231 can outwards press the convex parts 2221 of the positioning elastic pieces 222, and the positioning elastic pieces 222 can prevent the anti-locking knob 23 from rotating;
the anti-lock knob 23 rotates towards the anti-lock position, and when the anti-lock knob 23 is located at the anti-lock position, the corresponding projection 231 on the anti-lock knob 23 can outwards press the projection 2221 of the positioning elastic piece 222, the elastic force of the positioning elastic piece 222 counteracts the projection 231, and the two positioning elastic pieces 222 press the anti-lock knob 23 in opposite directions to prevent the anti-lock knob 23 from rotating, so that the anti-lock knob 23 can be stably located at the anti-lock position; then, the reverse locking knob 23 is rotated reversely, and rotated towards the unlocking position, when the door lock is unlocked, the protrusion 231 which is at the reverse locking position and presses the positioning elastic sheet 222 is separated from the positioning elastic sheet 222, and the protrusion 231 which is spaced from the positioning elastic sheet 222 is rotated towards the positioning elastic sheet 222, when the reverse locking knob 23 is rotated to the unlocking position, the protrusion 231 outwards presses the protrusion 2221 of the corresponding positioning elastic sheet 222, and the two positioning elastic sheets 222 press the reverse locking knob 23 oppositely again to prevent the reverse locking knob 23 from rotating, so that the reverse locking knob 23 can be stably positioned at the unlocking position; the convex blocks 231 arranged on the side wall of the back locking knob 23 at intervals in the circumferential direction are matched with the positioning elastic sheet 222, so that the rotation angle can be accurately grasped when the back locking knob 23 rotates in a back locking mode or rotates in an unlocking mode, and the accuracy of back locking or unlocking operation is achieved; meanwhile, the back locking structure of the door lock is simplified, and the production cost is effectively reduced.
For better positioning effect, the number of the protrusions 231 is four, wherein two opposite protrusions 231 will press the corresponding positioning elastic pieces 222 outwards when the back locking knob 23 is in the back locking position, and the other two opposite protrusions 231 will press the corresponding positioning elastic pieces 222 outwards when the back locking knob 23 is in the unlocking position.
The door lock handle 2 comprises a handle body 21 and a square shaft sleeve 22, the upper end part of the square shaft sleeve 22 is connected with the handle body 21 and is provided with a mounting hole 223 for mounting a back locking knob 23; the lower end of the square shaft sleeve 22 is inserted with a square shaft and linked with a handle outside the door through the square shaft.
The upper end of the square shaft sleeve 22 is provided with two clamping grooves 221 for mounting the positioning elastic sheet 222 in a downward concave manner, the two clamping grooves 221 are arranged oppositely, two ends of the positioning elastic sheet 222 are clamped in the clamping grooves 221, and the projection 2221 is arranged in the mounting hole 223; the lower end of the locking knob 23 is rotatably disposed in the mounting hole 223, so that when the locking knob 23 is rotated, the protrusion 231 is engaged with the protrusion 2221.
The upper end part of the door lock base 1 is provided with a guide sleeve 11, the square shaft sleeve 22 is rotatably arranged on the inner side of the guide sleeve 11, and the handle body 21 is rotatably arranged on the outer side of the guide sleeve 11; when the door lock handle 2 is rotated, the handle body 21 and the square shaft sleeve 22 are simultaneously and stably rotated under the rotation of the guide sleeve 11; a limiting block 111 is arranged on the inner side wall of the guide sleeve 11, and when the square shaft sleeve 22 rotates, the limiting block 111 abuts against the square shaft sleeve 22 to prevent the square shaft sleeve 22 from continuously rotating; to limit the angle of rotation of the door lock handle 2.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.
Claims (6)
1. The back locking structure of the ecological door lock comprises a door lock base and a door lock handle, wherein the door lock handle is rotatably arranged on the door lock base and is rotatably provided with a back locking knob; the method is characterized in that: two oppositely arranged positioning elastic sheets are arranged in the door lock handle, and a convex part is arranged in the inward bulge of each positioning elastic sheet;
the outer side wall of the anti-locking knob is circumferentially provided with a plurality of convex blocks at intervals, when the anti-locking knob is located at an anti-locking position or an unlocking position, the corresponding convex blocks can outwards extrude the convex parts of the positioning elastic pieces, and the positioning elastic pieces can prevent the anti-locking knob from rotating.
2. The back locking structure of an ecological door lock as claimed in claim 1, wherein: the number of the convex blocks is four, two opposite convex blocks can respectively outwards extrude the corresponding positioning elastic sheets when the back locking knob is in the back locking position, and the other two opposite convex blocks outwards extrude the corresponding positioning elastic sheets when the back locking knob is in the unlocking position.
3. The back locking structure of an ecological door lock according to claim 1 or 2, characterized in that: the door lock handle comprises a handle body and a square shaft sleeve, wherein the upper end part of the square shaft sleeve is connected with the handle body and is provided with a mounting hole for mounting the back locking knob.
4. The back locking structure of an ecological door lock as claimed in claim 3, wherein: the upper end of the square shaft sleeve is downwards sunken to be provided with a clamping groove used for installing a positioning elastic sheet, the two end parts of the positioning elastic sheet are clamped in the clamping groove, and the protruding part is arranged in the mounting hole.
5. The back locking structure of an ecological door lock as claimed in claim 4, wherein: the upper end of lock base is equipped with the uide bushing, the square shaft cover rotates and sets up in the inboard of uide bushing, the handle body rotates and sets up in the outside of uide bushing.
6. The back locking structure of an ecological door lock as claimed in claim 5, wherein: be equipped with the stopper on the inside wall of uide bushing, when the square shaft cover rotated, this stopper supported with the square shaft cover and prevented the square shaft cover to continue to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222695020.8U CN218467347U (en) | 2022-10-11 | 2022-10-11 | Back locking structure of ecological door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222695020.8U CN218467347U (en) | 2022-10-11 | 2022-10-11 | Back locking structure of ecological door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218467347U true CN218467347U (en) | 2023-02-10 |
Family
ID=85146575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222695020.8U Active CN218467347U (en) | 2022-10-11 | 2022-10-11 | Back locking structure of ecological door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218467347U (en) |
-
2022
- 2022-10-11 CN CN202222695020.8U patent/CN218467347U/en active Active
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