A quick-installation door lock

Abstract

The present invention discloses a quick-installation door lock, which includes a base and a door lock panel installed with a torsion spring; one or more clamping blocks are provided on the outer side wall of the base, and one or more clamping portions are provided on the inner side wall of the door lock panel. The clamping portions correspond to the clamping blocks one by one, and the clamping portions are provided with clamping grooves; the pressing surfaces of the clamping blocks and / or the clamping portions are inclined surfaces; when installing the door lock panel, the door lock panel is pressed down, and the pressing surface of the clamping portion presses down the pressing surface of the corresponding clamping block, so that the door lock panel rotates relative to the base and compresses the torsion spring. The clamping block is guided to slide to the opening of the clamping groove. Under the action of the torsion spring, the clamping block is matched with the clamping groove, that is, when installing the door lock panel, only by simply pressing down the door lock panel, the door lock panel utilizes the torsion force generated by compressing the torsion spring to realize the automatic clamping and matching of the clamping block and the clamping groove, and automatically locks the door lock panel on the base; the installation is simple and convenient, realizing the quick installation of the door lock and improving the installation efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of locks, and more specifically, it relates to a quick-installation door lock. Background Art

[0002] After the base of the split lock is installed on the door panel, it needs to be covered with a door lock panel to make the door lock more beautiful; the traditional installation method of the door lock panel on the base is to align the clamping blocks on the base with the corresponding clamping grooves on the door lock panel, and then rotate the door lock panel so that the clamping blocks on the base enter the clamping grooves for cooperation, and then pass the set screws through the set screw holes on the door lock panel and abut against the base to prevent the door lock panel from rotating on the base and disengaging from the base, so as to realize the installation and fixation of the door lock panel.

[0003] However, this installation method has the problems that the installation steps of the door lock panel are cumbersome and the operation is inconvenient; at the same time, the set screws are exposed outside the door lock panel, making the door lock not beautiful; and the set screws that play a fixing role are prone to looseness after long-term use of the door lock, resulting in unstable installation structure of the door lock panel. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a quick-installation door lock.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A quick-installation door lock includes a base and a door lock panel installed with a torsion spring.

[0007] One or more clamping blocks are provided on the outer side wall of the base, one or more clamping portions are provided on the inner side wall of the door lock panel, the clamping portions correspond to the clamping blocks one by one, and clamping grooves are provided on the clamping portions.

[0008] The pressing surfaces of the clamping blocks and / or the clamping portions are inclined surfaces.

[0009] The door lock panel is mutually pressed with the clamping blocks through the clamping portions, so that the door lock panel rotates relative to the base to compress the torsion spring, and the clamping blocks will cooperate with the clamping grooves under the torsion of the torsion spring.

[0010] The present invention is further provided that: a sliding channel is provided on one side of the clamping groove, and the sliding channel is communicated with the opening of the clamping groove; the clamping block slides to the opening of the clamping groove through the sliding channel and enters the clamping groove under the torsion of the torsion spring.

[0011] The present invention is further provided that: a limiting structure for preventing the clamping block from separating from the clamping groove is provided between the base and the door lock panel.

[0012] The present invention is further configured such that: the limiting structure includes a locking spring catch and a locking groove formed in the door lock panel. The locking spring catch is installed on the base, and the locking spring catch can pop outwards and abut against the inside of the locking groove to prevent the relative rotation between the base and the door lock panel.

[0013] The present invention is further configured such that: the base is provided with an installation groove for installing the locking spring catch. One end of the locking spring catch is fixed in the installation groove through a pin, and the other end extends outwards along the inner side wall of the installation groove to form a popping-up portion, and the popping-up portion can abut against the locking groove.

[0014] The present invention is further configured such that: an unlocking notch is formed in the groove wall of the locking groove, and the unlocking notch corresponds to the popping-up portion of the locking spring catch.

[0015] The present invention is further configured such that: a storage groove for storing the popping-up portion is provided on the door lock panel, and the storage groove is located on one side of the locking groove.

[0016] The present invention is further configured such that: a guiding inclined surface for guiding the popping-up portion into the locking groove is provided on the side wall of the storage groove facing the locking groove.

[0017] The present invention is further configured such that: the upper end surface of the popping-up portion is inclined outwards to guide the popping-up portion into the storage groove.

[0018] The present invention is further configured such that: a limiting foot is provided at the lower end of at least one of the clamping blocks, and the clamping portion can abut against the limiting foot to prevent the door lock panel from rotating on the base.

[0019] The beneficial effect of the present invention is as follows: when installing the door lock panel, press down the door lock panel. The pressing surface of the clamping portion presses down the pressing surface of the corresponding clamping block, causing the door lock panel to rotate relative to the base and compress the torsion spring. When the clamping block is guided to slide to the opening of the card slot, under the action of the torsion of the torsion spring, the clamping block is pushed into the card slot. The clamping block enters from the opening of the card slot and cooperates with the card slot to fix the door lock panel on the base. That is, when installing the door lock panel, only need to simply press down the door lock panel. The door lock panel utilizes the torsion generated by compressing the torsion spring to automatically engage and cooperate the clamping block with the card slot, and automatically lock the door lock panel on the base. The installation is simple and convenient, realizing the rapid installation of the door lock and improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of a quick-installation door lock according to the present invention;

[0021] Figure 2 is an installation diagram of a door lock handle of a quick-installation door lock according to the present invention on a door lock panel;

[0022] Figure 3Installation diagram of the locking spring catch of the door lock panel for a quick-installation door lock of the present invention on the base

[0023] Figure 4 Schematic structural diagram of the base of a quick-installation door lock of the present invention

[0024] Figure 5 Schematic structural diagram of the locking spring catch of a quick-installation door lock of the present invention

[0025] Figure 6 Schematic structural diagram of the door lock panel of a quick-installation door lock of the present invention

[0026] Explanation of reference numerals: 1. Base; 11. Clamping block; 111. Limiting foot; 12. Locking spring catch; 121. Popping-up part; 13. Installation groove; 2. Door lock panel; 21. Clamping part; 211. Card slot; 22. Receiving groove; 23. Locking groove; 24. Guiding inclined surface; 25. Sliding channel; 3. Pressing surface; 4. Door lock handle; 5. Torsion spring. Detailed description of the specific implementation mode

[0027] Refer to the attached Figures 1 to 6 A further detailed description is given to an embodiment of a quick-installation door lock of the present invention.

[0028] A quick-installation door lock includes a base 1 and a door lock panel 2 installed with a torsion spring 5; wherein a door lock handle 4 is rotatably installed on the door lock panel 2, one end of the torsion spring 5 is connected to the door lock handle 4, and the other end is connected to the door lock panel 2. When the door lock handle is pressed down, the torsion spring 5 will be compressed, and when the door lock handle 4 is released, the door lock handle 4 will be reset under the action of the torsion spring 5.

[0029] One or more clamping blocks 11 are provided on the outer side wall of the base 1, one or more clamping parts 21 are provided on the inner side wall of the door lock panel 2, the clamping parts 21 correspond to the clamping blocks 11 one by one, and the clamping parts 21 are provided with card slots 211; the pressing surfaces 3 of the clamping blocks 11 and / or the clamping parts 21 are inclined surfaces; the door lock panel 2 is pressed tightly with the clamping blocks 11 through the clamping parts 21, so that the door lock panel 2 rotates relative to the base 1 to compress the torsion spring 5, and the clamping blocks 11 will cooperate with the card slots 211 under the torsion action of the torsion spring 5.

[0030] The number of the clamping parts 21 and the clamping blocks 11 can be set according to the connection strength requirement between the base 1 and the door lock panel 2; as long as one of the pressing surfaces 3 of the clamping blocks 11 and the clamping parts 21 is an inclined surface, so that the clamping blocks 11 and the clamping parts 21 can slide relative to each other. In order to make the relative sliding between the clamping blocks 11 and the clamping parts 21 more smooth, the pressing surfaces 3 of the clamping blocks 11 and the clamping parts 21 can be set as mutually cooperating inclined surfaces.

[0031] The following description is based on the case where the number of the clamping blocks 11 and the clamping portions 21 is three each, and the pressing surfaces 3 of the clamping blocks 11 and the clamping portions 21 are inclined surfaces;

[0032] A quick-installation door lock includes a base 1 and a door lock panel 2 installed with a torsion spring 5; three clamping blocks 11 are provided on the outer side wall of the base 1, and three clamping portions 21 are provided on the inner side wall of the door lock panel 2. The clamping portions 21 correspond to the clamping blocks 11 one by one, and a clamping groove 211 is provided in the clamping portion 21; the pressing surfaces 3 of the clamping blocks 11 and the clamping portions 21 are inclined surfaces; the door lock panel 2 and the clamping blocks 11 are pressed against each other through the clamping portions 21, so that the door lock panel 2 rotates relative to the base 1 to compress the torsion spring 5, and the clamping block 11 slides to the opening of the clamping groove 211. One side of the clamping groove 211 is provided with a sliding channel 25, and the sliding channel 25 is communicated with the opening of the clamping groove 211; the clamping block 11 slides to the opening of the clamping groove 211 through the sliding channel 25, and the clamping block 11 cooperates with the clamping groove 211 under the torsion action of the torsion spring 5;

[0033] When installing the door lock, hold the door lock handle 4 by hand and press down the door lock handle 4. Align the door lock panel 2 with the base 1 fixed on the door panel, and press down the door lock panel 2. The pressing surface 3 of the clamping portion 21 presses down the pressing surface 3 of the corresponding clamping block 11. The pressing surface 3 of the clamping portion 21 slides downward along the pressing surface 3 of the clamping block 11 through the sliding channel 25. The door lock panel 2 rotates relative to the base 1 and compresses the torsion spring 5. The torsion spring 5 forms a torsion force to push the clamping block 11 into the clamping groove 211; when the clamping block 11 slides to the opening of the clamping groove 211, under the torsion action of the torsion spring 5, the clamping block 11 enters from the opening of the clamping groove 211 and cooperates with the clamping groove 211 to fix the door lock panel 2 on the base 1; that is, only by simply pressing down the door lock panel 2, the door lock panel 2 uses the torsion force generated by compressing the torsion spring 5 to realize the automatic clamping and matching of the clamping block 11 and the clamping groove 211, and automatically locks the door lock panel 2 on the base 1; the installation is simple and convenient, realizing the quick installation of the door lock and improving the installation efficiency.

[0034] In order to fix the door lock panel 2 more firmly on the base 1, a limiting structure for preventing the clamping block 11 from separating from the clamping groove 211 is provided between the base 1 and the door lock panel 2; the limiting structure includes a locking spring catch 12 and a locking groove 23 opened on the door lock panel 2. The locking spring catch 12 is installed on the base 1, and the locking spring catch 12 can pop up outward and abut against the inside of the locking groove 23 to prevent the base 1 and the door lock panel 2 from rotating relative to each other; the door lock panel 2 is firmly locked on the base 1 without additionally fixing the door lock panel 2 through screws, making the door lock more beautiful.

[0035] To facilitate the installation and fixation of the locking buckle 12 on the base 1, the base 1 is provided with an installation groove 13 for installing the locking buckle 12. One end of the locking buckle 12 is fixed in the installation groove 13 through a pin, and the other end extends outward along the inner side wall of the installation groove 13 to form a spring-up portion 121, and the spring-up portion 121 can abut against the locking groove 23. An unlocking notch is formed on the groove wall of the locking groove 23, and the unlocking notch corresponds to the spring-up portion 121 of the locking buckle 12. When it is necessary to open the door lock panel 2, only a screwdriver needs to be inserted into the unlocking notch and the spring-up portion 121 of the locking buckle 12 is pressed inward to make the spring-up portion 121 disengage from the locking of the locking groove 23. Then, the door lock panel 2 is rotated reversely to separate the clamping block 11 from the clamping groove 211, and the door lock panel 2 can be opened, and the operation is simple and convenient.

[0036] To enable the door lock panel 2 to be pressed down more smoothly and avoid interference with the spring-up portion 121, a receiving groove 22 for receiving the spring-up portion 121 is provided on the door lock panel 2, and the receiving groove 22 is disposed on one side of the locking groove 23. A guiding inclined surface 24 for guiding the spring-up portion 121 into the locking groove 23 is provided on the side wall of the receiving groove 22 facing the locking groove 23. The upper end surface of the spring-up portion 121 is inclined outward. When installing the door lock panel 2, the spring-up portion 121 can slide into the guiding hole more smoothly under the guidance of the guiding inclined surface 24, so the installation is more labor-saving and convenient.

[0037] The lower end of at least one of the clamping blocks 11 is provided with a limiting foot 111. The clamping portion 21 can abut against the limiting foot 111 to prevent the door lock panel 2 from rotating on the base 1, and cooperate with the limiting structure to limit the front-back rotation of the door lock panel 2 on the base 1, improving the firmness of the door lock panel 2 on the base 1.

[0038] The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions within the idea of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and retouches should also be regarded as the protection scope of the present invention.

Claims

1. A quick-installation door lock, characterized in that: It includes a base and a door lock panel installed with a torsion spring; One or more clamping blocks are provided on the outer side wall of the base, and one or more clamping parts are provided on the inner side wall of the door lock panel. The clamping parts correspond to the clamping blocks one by one, and clamping grooves are provided on the clamping parts; The pressing surface of the clamping block and / or the clamping part is an inclined surface; The door lock panel is pressed against the base through the clamping parts, so that the door lock panel rotates relative to the base to compress the torsion spring, and the clamping block will cooperate with the clamping groove under the action of the torsion force of the torsion spring.

2. The quick-installation door lock according to claim 1, characterized in that: A sliding channel is provided on one side of the clamping groove, and the sliding channel is communicated with the opening of the clamping groove; the clamping block slides to the opening of the clamping groove through the sliding channel and enters the clamping groove under the action of the torsion force of the torsion spring.

3. A quick-installation door lock according to claim 1 or 2, characterized in that: A limiting structure is provided between the base and the door lock panel to prevent the clamping block from separating from the clamping groove.

4. The quick-installation door lock according to claim 3, characterized in that: The limiting structure includes a locking spring catch and a locking groove opened on the door lock panel. The locking spring catch is installed on the base, and the locking spring catch can pop outwards and abut against the locking groove to prevent the base and the door lock panel from rotating relative to each other.

5. The quick-installation door lock according to claim 4, characterized in that: An installation groove for installing the locking spring catch is opened on the base. One end of the locking spring catch is fixed in the installation groove through a pin, and the other end extends outwards along the inner side wall of the installation groove to form a popping part, and the popping part can abut against the locking groove.

6. The quick-installation door lock according to claim 5, characterized in that: An unlocking notch is opened on the groove wall of the locking groove, and the unlocking notch corresponds to the popping part of the locking spring catch.

7. A quick-installation door lock according to claim 5, characterized in that: A storage groove for storing the popping part is provided on the door lock panel, and the storage groove is arranged on one side of the locking groove.

8. The quick-installation door lock according to claim 7, characterized in that: The side wall of the storage groove facing the locking groove is provided with a guiding inclined surface for guiding the popping part into the locking groove.

9. A quick-installation door lock according to claim 5, characterized in that: The upper end surface of the popping part is inclined outwards to guide the popping part into the storage groove.

10. A quick-installation door lock according to claim 1 or 2, characterized in that: At least a limiting foot is provided at the lower end of one clamping block, and the clamping part can abut against the limiting foot to prevent the door lock panel from rotating on the base.

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