Mounting structure of door lock handle cover plate

Abstract

The utility model discloses a door lock handle cover plate mounting structure which comprises a door handle and a cover plate arranged on the door handle in a sliding mode, a driving spring driving the cover plate to slide outwards is arranged at one end in the door handle, and a locking assembly used for locking the cover plate is arranged at the other end in the door handle. The locking assembly comprises a locking piece and a locking spring which are arranged on the door handle in a swinging mode, the upper end portion of the locking spring abuts against the lower end face of the front end portion of the locking piece, and the lower end portion of the locking spring abuts against the door handle. The rear end of the locking piece extends out of the lower end face of the door handle, the front end of the locking piece abuts against the interior of the locking groove in the lower end face of the cover plate under the action of the locking spring, and the cover plate is locked on the door handle. The rear end part of the locking piece is pressed, so that the front end part of the locking piece moves downwards and is separated from the locking groove of the cover plate; when the locking piece unlocks the cover plate, the cover plate can slide backwards under the driving of the driving spring; operation is easy and convenient, and the cover plate is always connected to the door handle in the cover plate opening process.

Description

Technical Field

[0001] This utility model relates to the field of door lock technology, and more specifically, it relates to an installation structure for a door lock handle cover plate. Background Technology

[0002] A door lock is a commonly used door security device to prevent unauthorized intrusion. It typically includes a lock body, a door handle installed on the inside and outside of the door, and a square shaft that links the inside and outside handles. The door lock is opened by turning the door handle, which causes the bolt to retract into the lock body.

[0003] Eco-friendly door locks, which integrate the locking components into the outer handle and the deadbolt components into the inner handle, have gained market recognition due to their simple overall structure and novel appearance, becoming a common type of interior door lock.

[0004] To conceal the lock cylinder on the outer handle and improve the aesthetics of the lock, eco-friendly locks typically have a cover plate on the outer handle, which is fixed to the handle by the magnetic attraction of a magnet. However, this method has the drawback of making it inconvenient to open the cover plate when the lock needs to be opened with a key in an emergency; it also has the problem of the cover plate easily falling off. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an installation structure for a door lock handle cover.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] An installation structure for a door lock handle cover plate includes a door handle and a cover plate, wherein the cover plate is slidably disposed on the upper surface of the door handle;

[0008] One end of the door handle is provided with a drive spring that drives the cover plate to slide outward, and the other end is provided with a locking component for locking the cover plate.

[0009] One end of the drive spring rests against the inside of the door handle, and the other end rests against the cover plate;

[0010] The locking assembly includes a locking member and a locking spring that are pivotally mounted on the door handle. The upper end of the locking spring abuts against the lower end face of the front end of the locking member, and the lower end abuts against the door handle.

[0011] The rear end of the locking element extends from the lower end face of the door handle, and its front end abuts against the locking groove on the lower end face of the cover plate under the action of the locking spring, thereby locking the cover plate to the door handle.

[0012] The present invention further includes: a downwardly protruding abutment block at the front end of the locking groove, and a guide surface at the front end of the abutment block.

[0013] The present invention is further provided in that: the front end of the locking member is provided with a locking part that is curved upward, and the rear end of the locking member is provided with a pressing part that extends out from the button window of the door handle.

[0014] The present invention further includes: a stop plate on the lower end face of the cover plate that abuts against the drive spring.

[0015] The present invention further includes: a limiting groove is provided on the door handle along the sliding direction of the cover plate, and a limiting post is provided on the lower end face of the cover plate to match the limiting groove.

[0016] The present invention further includes: a mounting base on the door handle, a front mounting groove for mounting a drive spring at the front end of the mounting base, and a rear mounting groove for mounting a locking element at the rear end; wherein the limiting groove is provided on the mounting base.

[0017] The present invention further includes: a mounting hole on the bottom wall of the limiting groove and a threaded hole at the lower end of the limiting post, wherein a fastener passes through the mounting hole and engages with the threaded hole to install the cover plate on the mounting base.

[0018] The present invention is further provided that: there are two front mounting slots, and a drive spring is installed in each of the two front mounting slots.

[0019] The beneficial effects of this utility model are as follows: The cover plate mounting structure includes a door handle and a cover plate slidably mounted on the door handle. A drive spring is provided at one end of the door handle to drive the cover plate outwards, and a locking assembly is provided at the other end for locking the cover plate. The locking assembly includes a locking element swingably mounted on the door handle and a locking spring. The upper end of the locking spring abuts against the lower end face of the front end of the locking element, and its lower end abuts against the door handle. The rear end of the locking element extends from the lower end face of the door handle, and its front end abuts against the lower end face of the cover plate under the action of the locking spring. The cover plate is locked to the door handle within the locking groove. When a person outside needs to unlock the door with a key, they only need to press the rear end of the locking element upwards, causing the front end of the locking element to move downwards. This front end will compress the locking spring downwards and separate from the locking groove on the lower end of the cover plate. The locking element releases the lock on the cover plate, and the cover plate will slide backwards under the drive spring, allowing people to unlock it with a key. The operation is simple and convenient. At the same time, the cover plate remains connected to the door handle during the opening process, solving the problem of easy falling off in the prior art. Attached Figure Description

[0020] Figure 1 This is an application diagram of the installation structure of a door lock handle cover plate according to the present invention;

[0021] Figure 2This is a schematic diagram of the installation structure of a door lock handle cover plate according to the present invention, showing the removal of the cover plate;

[0022] Figure 3 This is a schematic diagram of the structure of a door lock handle cover plate according to the present invention.

[0023] Figure 4 This is a schematic diagram of the locking assembly of the installation structure of a door lock handle cover plate according to the present invention;

[0024] Figure 5 This is a schematic diagram of the mounting base for the mounting structure of a door lock handle cover plate according to this utility model;

[0025] Figure 6 This is an installation diagram of the cover plate of the door lock handle cover plate according to the present invention, mounted on the mounting base.

[0026] Explanation of reference numerals in the attached drawings: 1. Door handle; 11. Button window; 2. Cover plate; 21. Locking groove; 22. Abutting block; 221. Guide surface; 23. Abutting plate; 24. Limiting post; 3. Drive spring; 4. Locking assembly; 41. Locking element; 411. Locking part; 412. Pressing part; 42. Locking spring; 5. Mounting base; 51. Front mounting groove; 52. Rear mounting groove; 53. Limiting groove; 531. Mounting hole; 6. Fastener. Detailed Implementation

[0027] See attached document Figures 1 to 6 The present invention provides a more detailed description of the installation structure of a door lock handle cover plate.

[0028] An installation structure for a door lock handle cover plate includes a door handle 1 and a cover plate 2, wherein the cover plate 2 is slidably disposed on the upper surface of the door handle 1;

[0029] The door handle 1 is provided with a drive spring 3 at one end to drive the cover plate 2 to slide outward, and a locking component 4 at the other end to lock the cover plate 2.

[0030] One end of the drive spring 3 abuts against the inside of the door handle 1, and the other end abuts against the cover plate 2;

[0031] The locking assembly 4 includes a locking member 41 and a locking spring 42 that are pivotally mounted on the door handle 1. The upper end of the locking spring 42 abuts against the lower end face of the front end of the locking member 41, and its lower end abuts against the door handle 1.

[0032] The rear end of the locking member 41 extends from the lower end face of the door handle 1, and its front end abuts against the locking groove 21 on the lower end face of the cover plate 2 under the action of the locking spring 42, thereby locking the cover plate 2 onto the door handle 1.

[0033] When someone outside needs to unlock the door with a key, they only need to press the rear end of the locking member 41 upwards, causing the front end of the locking member 41 to move downwards. This front end will compress the locking spring 42 downwards and separate from the locking groove 21 on the lower end face of the cover plate 2. The locking member 41 releases the lock on the cover plate 2, and the cover plate 2 will slide backwards under the drive of the drive spring 3, allowing people to unlock it with a key. The operation is simple and convenient. At the same time, during the process of opening the cover plate 2, the cover plate 2 is always connected to the door handle 1, solving the problem of easy falling off in the prior art.

[0034] After unlocking, simply push the cover plate 2 in the opposite direction and compress the drive spring 3; when the locking groove 21 on the lower end face of the cover plate 2 is opposite to the locking member 41, the front end of the locking member 41 is driven by the locking spring 42 and inserted into the locking groove 21, locking the cover plate 2 back onto the upper end face of the door handle 1, and the cover plate 2 covers the lock cylinder on the upper end face of the door handle 1 again.

[0035] The front end of the locking groove 21 is provided with a downward protruding abutment block 22, which enables the locking member 41 to lock the cover plate 2 better. The front end face of the abutment block 22 is provided with a guide surface 221. When the cover plate 2 is pushed in the opposite direction, the locking member 41 will enter the locking groove 21 under the guidance of the guide surface 221, so that the locking member 41 can enter the locking groove 21 more smoothly.

[0036] The locking member 41 has a locking part 411 that is curved upward at the front end, which can better lock the cover plate 2 and has a better locking effect; the locking member 41 has a pressing part 412 at the rear end, which extends from the button window 11 of the door handle 1, so that people can directly open the cover plate 2 by pressing the pressing part 412.

[0037] The lower end face of the cover plate 2 is provided with a stop plate 23 that abuts against the drive spring 3. When the locking member 41 is unlocked, the drive spring 3 pushes the stop plate 23 to drive the cover plate 2 to slide backward.

[0038] The door handle 1 is provided with a limiting groove 53 along the sliding direction of the cover plate 2, and the lower end face of the cover plate 2 is provided with a limiting post 24 that is adapted to the limiting groove 53; the limiting post 24 cooperates with the limiting groove 53 to limit the distance the cover plate 2 slides backward and prevent the cover plate 2 from detaching from the door handle 1.

[0039] The door handle 1 is provided with a mounting base 5, which is fixed to the groove on the upper end face of the door handle 1 by fastening screws; the front end of the mounting base 5 is provided with a front mounting groove 51 for installing the drive spring 3, and the rear end is provided with a rear mounting groove 52 for installing the locking member 41; the limiting groove 53 is provided on the mounting base 5; the bottom wall of the limiting groove 53 is provided with a mounting hole 531, and the lower end of the limiting post 24 is provided with a threaded hole, wherein the fastener 6 passes through the mounting hole 531 and cooperates with the threaded hole to install the cover plate 2 on the mounting base 5.

[0040] The number of the front mounting slots 51 is two, and each of the two front mounting slots 51 is equipped with a drive spring 3; the two drive springs 3 simultaneously drive the cover plate 2 to slide, so that the cover plate 2 can slide back and forth on the door handle 1 more smoothly.

[0041] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A mounting structure for a door lock handle cover plate, characterized in that: Includes a door handle and a cover plate, wherein the cover plate is slidably disposed on the upper surface of the door handle; One end of the door handle is provided with a drive spring that drives the cover plate to slide outward, and the other end is provided with a locking component for locking the cover plate. One end of the drive spring rests against the inside of the door handle, and the other end rests against the cover plate; The locking assembly includes a locking member and a locking spring that are pivotally mounted on the door handle. The upper end of the locking spring abuts against the lower end face of the front end of the locking member, and the lower end abuts against the door handle. The rear end of the locking element extends from the lower end face of the door handle, and its front end abuts against the locking groove on the lower end face of the cover plate under the action of the locking spring, thereby locking the cover plate to the door handle.

2. The mounting structure of a door lock handle cover plate according to claim 1, characterized in that: The front end of the locking groove is provided with a downward protruding abutment block, and the front end surface of the abutment block is provided with a guide surface at an angle.

3. The mounting structure of a door lock handle cover plate according to claim 2, characterized in that: The locking element has a locking part that curves upward at the front end and a pressing part at the rear end, which protrudes from the button window of the door handle.

4. The mounting structure of a door lock handle cover plate according to claim 1, 2, or 3, characterized in that: The lower end face of the cover plate is provided with a stop plate that abuts against the drive spring.

5. The mounting structure of a door lock handle cover plate according to claim 1, 2, or 3, characterized in that: The door handle is provided with a limiting groove along the sliding direction of the cover plate, and the lower end face of the cover plate is provided with a limiting post that matches the limiting groove.

6. The mounting structure of a door lock handle cover plate according to claim 1, 2, or 3, characterized in that: The door handle is provided with a mounting base, the front end of which is provided with a front mounting groove for installing a drive spring, and the rear end of which is provided with a rear mounting groove for installing a locking element.

7. The mounting structure of a door lock handle cover plate according to claim 5, characterized in that: The bottom wall of the limiting groove is provided with a mounting hole, and the lower end of the limiting post is provided with a threaded hole, wherein the fastener passes through the mounting hole and cooperates with the threaded hole to install the cover plate on the mounting base.

8. The mounting structure of a door lock handle cover plate according to claim 6, characterized in that: There are two front mounting slots, and each of the two front mounting slots is equipped with a drive spring.

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