Door lock with screw-free mounting structure

Abstract

The utility model discloses a door lock with a screw-free installation structure, and relates to the technical field of door locks. The door hook hole body is arranged on the lock shell, the door hook hole body comprises a bottom, a first side wall and a second side wall, the first side wall and the second side wall are oppositely arranged, and the first side wall and the second side wall are formed by extending upwards from the bottom; the first clamping edge extends outwards from the first side wall from the bottom of the door hook hole main body, and the second clamping edge extends outwards from the second side wall from the bottom of the door hook hole main body; the groove is formed by sinking inwards from the first side wall; the lock head is arranged above the first clamping edge, the lock head can move in or out of the groove, and the door lock with the screw-free installation structure achieves screw-free installation through cooperation of the clamping edges, the lock head, the groove and other structures. The groove is formed in the side wall of the door hook hole body, the upper surface of the clamping edge does not need to be holed, the strength of the clamping edge cannot be damaged, and therefore the problem that the clamping edge is damaged is avoided.

Description

Technical Field

[0001] This utility model relates to the field of door lock technology, specifically to a door lock with a screwless installation structure. Background Technology

[0002] The washing machine door panel is equipped with a door lock, which is used to lock the door hook. Currently, the door lock is installed on the door panel without the need for screws.

[0003] The door lock disclosed in Chinese patent document CN111236759B uses a lock head that can move in and out of a groove to install the door lock into the panel of an electrical appliance.

[0004] However, in the above solution, the groove is located on the upper surface of the locking edge extending outward from both sides of the door hook hole. This design reduces the strength of the locking edge, making it prone to damage during prolonged use and preventing it from engaging the door panel. Utility Model Content

[0005] In view of this, the present invention provides a door lock with a screwless installation structure to solve the problem that the existing door locks require a groove to be set on the upper surface of the locking edge used to lock the door panel, which leads to easy damage at the locking edge.

[0006] This utility model provides a door lock with a screwless mounting structure, including:

[0007] Lock case;

[0008] A door hook hole body is disposed on the lock housing. The door hook hole body includes a bottom and a first sidewall and a second sidewall disposed opposite to each other. The first sidewall and the second sidewall extend upward from the bottom respectively.

[0009] A first locking edge and a second locking edge, wherein the first locking edge extends outward from the bottom of the door hook hole body from the first side wall, and the second locking edge extends outward from the bottom of the door hook hole body from the second side wall;

[0010] The groove is formed by an inward recess from the first sidewall;

[0011] A lock head is disposed above the first locking edge, and the lock head is movable into or out of the groove.

[0012] The technical solution of this utility model has the following advantages:

[0013] This utility model provides a door lock with a screwless installation structure, achieving screwless installation through the cooperation of the locking flange, lock head, and groove. During installation, the operator does not need to use screwdrivers or other tools; simply align one side of the door panel hole with the lock head, push the lock head into the groove, and then insert the other side of the door panel hole into the locking flange, thus completing the assembly of the entire door lock structure. The elastic movement of the lock head and the positioning effect of the groove allow for quick installation. Furthermore, the groove is formed on the side wall of the door hook hole body, eliminating the need for drilling holes in the upper surface of the locking flange, thus preserving its strength and avoiding damage.

[0014] Optionally, the lock further includes a connector connected to the lock housing, the connector having a flat plate portion parallel to the first sidewall, and the lock head connected to the flat plate portion. In the above solution, the flat plate portion of the connector is parallel to the first sidewall, and the lock head is connected to the flat plate portion. This allows the lock head to retract more easily into the groove through the deformation of the flat plate portion after bearing the top force of the door panel, thus making the installation of the door lock easier.

[0015] Optionally, one end of the connector is a fixed end, which is fixedly connected to the lock housing, and the other end of the connector is a free end, which is separate from the lock housing. The flat plate portion is connected between the fixed end and the free end. In the above solution, the design of the free end of the connector provides additional flexibility for disassembling the door lock. During disassembly, the free end can serve as a leverage point, making it easier for installers to operate and making the entire disassembly process more convenient.

[0016] Optionally, the free end of the connector is provided with an operating part, which extends in the opposite direction to the lock head. With this design, when disassembling the door lock, pressing the operating part outwards causes the lock head to move inwards into a groove on the lock housing, facilitating door panel disassembly and making the operation more convenient.

[0017] Optionally, the operating part is provided with an anti-slip structure. The anti-slip structure can significantly enhance the friction between the user's hand and the operating part when in contact with it. Specifically, the anti-slip structure can be formed on the surface of the operating part through an etching process, such as stripes, granules, or diamonds.

[0018] Optionally, a curved section is provided between the flat plate and the fixed end, the curved section being an arc-shaped structure bending towards the lock housing. In the above solution, the arc-shaped structure of the curved section increases the deformability of the connector. Specifically, since the curved section is an arc-shaped bend towards the lock housing, when the lock head is pushed into the groove, the lock head causes the flat plate to flip. The deformation of the curved section ensures the smooth flipping of the flat plate and allows the lock head to enter the groove more easily.

[0019] Optionally, the flat plate includes a connecting section and an extension section. One end of the connecting section is connected to the fixed end, and the other end is connected to the free end. The extension section is connected to the connecting section and is perpendicular to the connecting section. The extension end of the extension section is connected to the lock head. In the above solution, the connecting section connects the fixed end and the free end, acting as a bridge. The extension section, perpendicular to the connecting section, connects to the lock head, effectively adjusting the position of the lock head. The design of the extension section being perpendicular to the connecting section facilitates the transmission of force between the lock head and the connecting section. When the door panel presses against the lock head, the vertical extension section can effectively convert the operating force into a flipping force on the connecting section, thereby allowing the lock head to extend into the groove through the flipping of the connecting section.

[0020] Optionally, the end of the lock cylinder away from the first sidewall has a blocking surface for abutting against the door panel, and the end of the blocking surface away from the first locking edge has a locking protrusion for abutting against the corner of the door panel hole. In the above solution, the blocking surface at the end of the lock cylinder away from the first sidewall abuts against the door panel, providing a stable support point for the lock cylinder on the door panel. The locking protrusion abutting against the corner of the door panel hole further enhances the connection between the lock cylinder and the door panel. The tight fit between the locking protrusion and the corner of the door panel hole effectively restricts the movement of the lock cylinder within the door panel hole, preventing the lock cylinder from loosening or coming out during use.

[0021] Optionally, the end of the lock head facing the first latching edge is a plane, which is parallel to the upper surface of the first latching edge. This configuration can greatly improve the installation accuracy of the door panel hole and the door hook hole body. After the lock head abuts against the door panel, the parallel alignment of the plane of the lock head with the upper surface of the first latching edge makes the door panel less prone to movement.

[0022] Optionally, there is a gap between the plane and the upper surface of the first locking edge. The presence of the gap ensures that the plane of the lock head and the upper surface of the first locking edge do not directly and tightly contact each other in the natural state, thereby reducing the moving resistance between the two and preventing the lock head from getting stuck when moving. Attached Figure Description

[0023] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is a perspective view of a door lock with a screwless mounting structure according to an embodiment of the present utility model;

[0025] Figure 2 for Figure 1 The front view of the door lock shown;

[0026] Figure 3 for Figure 2 A magnified view of a portion of region A in the middle;

[0027] Figure 4 for Figure 1 The front sectional view of the door lock shown.

[0028] Explanation of reference numerals in the attached figures:

[0029] 1. Lock housing; 2. Hook hole body; 3. Bottom; 4. First side wall; 5. Second side wall; 6. First locking edge; 7. Second locking edge; 8. Groove; 9. Lock head; 10. Connector; 11. Flat plate; 12. Fixed end; 13. Free end; 14. Operating part; 15. Bending section; 16. Connecting section; 17. Extension section; 18. Blocking surface; 19. Snap-fit ​​boss; 20. Flat surface; 21. Door panel. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0031] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0034] like Figure 1 As shown, this embodiment provides a specific implementation of a door lock with a screwless installation structure, including: a lock shell 1, on which a door hook hole body 2 is provided, the door hook hole body 2 including a bottom 3, a first side wall 4 and a second side wall 5 disposed opposite to each other, the first side wall 4 and the second side wall 5 respectively extending upward from the bottom 3 to form the lock.

[0035] like Figure 1 , Figure 4 As shown, in this embodiment, the first sidewall 4 is recessed inward to form a groove 8. It should be noted that, in this embodiment, "inward" refers to the direction towards... Figure 4 The lock hole center direction of the door hook hole body 2 shown. Similarly, in this embodiment, "outside" refers to the direction away from the lock hole center.

[0036] like Figure 1 , Figure 4 As shown, in this embodiment, the bottom 3 of the door hook hole body 2 extends outward from the first side wall 4 with a first retaining edge 6, and the bottom 3 of the door hook hole body 2 extends outward from the second side wall 5 with a second retaining edge 7; when installing the door lock, the first retaining edge 6 and the second retaining edge 7 are used to engage with the door panel 21 hole of the door panel 21.

[0037] like Figure 1 , Figure 4 As shown, a lock head 9 is provided above the first locking edge 6, and the lock head 9 can move into or out of the groove 8. When installing the door lock, the door panel 21 hole side can be first abutted against the lock head 9, then the lock head 9 can be moved into the groove 8, and then the other side of the door panel 21 hole can be pushed over the second locking edge 7 and abutted against the lock housing 1. Then the door panel 21 can be moved away from the lock head 9, so that the lock head 9 can be moved out of the groove 8. At this time, the door panel 21 hole of the door panel 21 is locked onto the upper surfaces of the first locking edge 6 and the second locking edge 7, and the lock head 9 forms a block on the door panel 21 hole side.

[0038] The door lock with a screwless installation structure provided in this embodiment achieves screwless installation through the cooperation of the locking flange, lock head 9, and groove 8. When installing the door lock, the operator does not need to use screwdrivers or other tools; they simply align one side of the hole in the door panel 21 with the lock head 9, then push the lock head 9 into the groove 8, and then insert the other side of the hole in the door panel 21 into the locking flange, thus completing the assembly of the entire door lock structure. The elastic movement of the lock head 9 and the positioning effect of the groove 8 allow for quick installation. Furthermore, the groove 8 is formed on the side wall of the door hook hole body 2, eliminating the need to drill holes in the upper surface of the locking flange, thus preserving its strength and avoiding damage.

[0039] like Figure 1 As shown, the door lock with a screwless mounting structure provided in this embodiment further includes: a connector 10, which is connected to the lock housing 1. The connector 10 has a flat plate portion 11 parallel to the first sidewall 4, and the lock head 9 is connected to the flat plate portion 11. That is, the lock head 9 is connected to the lock housing 1 via the connector 10. With this configuration, when the lock head 9 is driven, the elastic deformation of the connector 10 causes the lock head 9 to move into the groove 8; and when the drive on the lock head 9 is released, the elastic reset action of the connector 10 causes the lock head 9 to move out of the groove 8.

[0040] In the above scheme, the flat plate portion 11 of the connector 10 is parallel to the first side wall 4, and the lock head 9 is connected to the flat plate portion 11. This makes it easier for the lock head 9 to retract into the groove 8 through the deformation of the flat plate portion 11 after bearing the top force of the door panel 21, thus making the installation of the door lock easier.

[0041] Of course, the above description is not limiting. In some alternative embodiments, the lock head 9 may be connected to the lock housing 1 by other elastic elements, such as springs, torsion springs, etc.

[0042] like Figure 1 As shown, in this embodiment, one end of the connector 10 is a fixed end 12, which is fixedly connected to the lock housing 1. The other end of the connector 10 is a free end 13, which is separate from the lock housing 1. The flat plate portion 11 is connected between the fixed end 12 and the free end 13. In the above scheme, the free end 13 of the connector 10 is designed to provide additional flexibility for disassembling the door lock. During disassembly, the free end 13 can serve as a leverage point, making it easier for installers to operate and making the entire disassembly process more convenient.

[0043] like Figure 1As shown, in this embodiment, the free end 13 of the connector 10 is provided with an operating part 14, which extends in the opposite direction to the direction of the lock head 9. With this design, when disassembling the door lock, pressing the operating part 14 outwards will cause the lock head 9 to enter the groove 8 on the lock housing 1, thus facilitating the disassembly of the door panel 21 and making the operation more convenient.

[0044] like Figure 1 As shown, in this embodiment, the operating part 14 is provided with an anti-slip structure. The anti-slip structure can significantly enhance the friction between the user's hand and the operating part 14 when the user contacts the operating part 14. Specifically, the anti-slip structure can be formed on the surface of the operating part 14 by etching, such as stripes, granules, or diamonds.

[0045] like Figure 1 As shown, in this embodiment, a curved section 15 is provided between the flat plate portion 11 and the fixed end 12. The curved section 15 has an arc-shaped structure that bends towards the lock housing 1. In the above solution, the arc-shaped structure of the curved section 15 increases the deformability of the connector 10. Specifically, since the curved section 15 is an arc-shaped bend towards the lock housing 1, when the lock head 9 is pushed into the groove 8, the lock head 9 drives the flat plate portion 11 to flip. The deformation of the curved section 15 ensures the smooth flipping of the flat plate portion 11 and ensures that the lock head 9 can enter the groove 8 more easily.

[0046] like Figure 1 As shown, in this embodiment, the flat plate portion 11 includes a connecting section 16 and an extension section 17. One end of the connecting section 16 is connected to the fixed end 12, and the other end of the connecting section 16 is connected to the free end 13. The extension section 17 is connected to the connecting section 16 and is perpendicular to the connecting section 16. The extension end of the extension section 17 is connected to the lock head 9. In the above scheme, the connecting section 16 connects the fixed end 12 and the free end 13, acting as a bridge. The extension section 17, which is perpendicular to the connecting section 16, is connected to the lock head 9, which can effectively adjust the position of the lock head 9. The design of the extension section 17 being perpendicular to the connecting section 16 facilitates the transmission of force between the lock head 9 and the connecting section 16. When the door panel 21 presses against the lock head 9, the vertical extension section 17 can effectively convert the operating force into a flipping force on the connecting section 16, thereby allowing the lock head to extend into the groove 8 through the flipping of the connecting section 16.

[0047] like Figure 2 , Figure 3As shown, in this embodiment, the end of the lock head 9 away from the first sidewall 4 has a blocking surface 18 for abutting against the door panel 21, and the end of the blocking surface 18 away from the first locking edge 6 has a locking protrusion 19 for abutting against the corner of the hole in the door panel 21. In the above solution, the blocking surface 18 at the end of the lock head 9 away from the first sidewall 4 abuts against the door panel 21, providing a stable support point for the lock head 9 on the door panel 21. The locking protrusion abuts against the corner of the hole in the door panel 21, further enhancing the connection between the lock head 9 and the door panel 21. The tight fit between the locking protrusion 19 and the corner of the hole in the door panel 21 effectively restricts the movement of the lock head 9 within the hole in the door panel 21, preventing the lock head 9 from loosening or coming out during use.

[0048] Of course, the above description is not limiting. In some alternative embodiments, the snap-fit ​​protrusion 19 at the upper end of the blocking surface 18 may be omitted.

[0049] like Figure 2 , Figure 3 As shown, in this embodiment, the end of the lock head 9 facing the first locking edge 6 is a plane 20, which is parallel to the upper surface of the first locking edge 6. This arrangement can greatly improve the installation accuracy of the door panel 21 hole and the door hook hole body 2. After the lock head 9 abuts against the door panel 21 hole, the parallel alignment of the plane 20 of the lock head 9 with the upper surface of the first locking edge 6 makes it difficult for the door panel 21 to move.

[0050] like Figure 2 , Figure 3 As shown, in this embodiment, there is a gap between the plane 20 and the upper surface of the first locking edge 6. The existence of this gap ensures that the plane 20 of the lock head 9 does not directly and tightly contact the upper surface of the first locking edge 6 in its natural state, thereby reducing the resistance to movement and preventing the lock head 9 from getting stuck during movement. Of course, the above description is not limiting. In some alternative embodiments, the lower plane 20 of the lock head 9 and the upper surface of the first locking edge 6 can be directly abutted without a gap. This arrangement allows the lock head 9 to more effectively abut against the door panel 21 hole of the door panel 21. During installation, when the lock head 9 is pushed through the door panel 21 hole of the door panel 21, the lock head 9 can also move into the groove 8 due to the greater elastic deformation of the connecting member 10.

[0051] The door lock installation method provided in this embodiment is as follows:

[0052] Hold the door lock and align one side of the door panel 21 hole with the lock head 9, so that the door panel 21 hole and the lock head 9 come into contact.

[0053] Apply gentle force to push the door panel 21 to push the lock head 9. At this time, the flat part 11 of the connector 10 is subjected to force, the bending section 15 deforms, and the lock head 9 moves into the groove 8 through the elastic deformation of the connector 10.

[0054] Move the other side of the door panel 21 hole over the second locking edge 7 so that it rests against the lock housing 1.

[0055] The door panel 21 is moved away from the lock head 9. Under the elastic reset action of the connector 10, the lock head 9 moves out of the groove 8. At this time, the door panel 21 hole is engaged with the upper surfaces of the first locking edge 6 and the second locking edge 7. The lock head 9 forms a block on one side of the door panel 21 hole, thus completing the door lock installation.

[0056] The door lock disassembly method provided in this embodiment is as follows:

[0057] Locate the operating part 14 of the free end 13 of the connector 10. Since the operating part 14 is equipped with an anti-slip structure, it can be held stably.

[0058] Press the operating part 14 outward to cause the connecting part 10 to undergo elastic deformation, which in turn drives the lock head 9 to enter the groove 8 on the lock shell 1.

[0059] Once the lock cylinder 9 is fully inserted into the groove 8 and its obstruction of the door panel 21 is released, the door panel 21 can be removed from the lock housing 1, thus completing the door lock disassembly.

[0060] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the present invention.

Claims

1. A door lock with a screwless mounting structure, characterized in that, include: Lock case (1); The door hook hole body (2) is disposed on the lock shell (1). The door hook hole body (2) includes a bottom (3), a first side wall (4) and a second side wall (5) disposed opposite to each other. The first side wall (4) and the second side wall (5) are respectively formed by extending upward from the bottom (3). The first locking edge (6) and the second locking edge (7) extend outward from the first sidewall (4) from the bottom (3) of the door hook hole body (2), and the second locking edge (7) extends outward from the second sidewall (5) from the bottom (3) of the door hook hole body (2). The groove (8) is formed by recessing inward from the first sidewall (4); A lock head (9) is disposed above the first locking edge (6) and is capable of moving into or out of the groove (8).

2. The door lock with a screwless mounting structure according to claim 1, characterized in that, Also includes: A connector (10) is connected to the lock housing (1), the connector (10) having a flat plate portion (11) parallel to the first sidewall (4), and the lock head (9) is connected to the flat plate portion (11).

3. The door lock with a screwless mounting structure according to claim 2, characterized in that, One end of the connector (10) is a fixed end (12), which is fixedly connected to the lock shell (1). The other end of the connector (10) is a free end (13), which is separated from the lock shell (1). The flat plate (11) is connected between the fixed end (12) and the free end (13).

4. The door lock with a screwless mounting structure according to claim 3, characterized in that, The free end (13) of the connector (10) is provided with an operating part (14), which extends in the opposite direction to the direction of the lock head (9).

5. The door lock with a screwless mounting structure according to claim 4, characterized in that, The operating part (14) is provided with an anti-slip structure.

6. The door lock with a screwless mounting structure according to claim 3, characterized in that, The flat plate (11) has a curved section (15) between it and the fixed end (12), and the curved section (15) is an arc-shaped structure that bends toward the lock case (1).

7. The door lock with a screwless mounting structure according to claim 3, characterized in that, The flat plate (11) includes a connecting section (16) and an extension section (17). One end of the connecting section (16) is connected to the fixed end (12), and the other end of the connecting section (16) is connected to the free end (13). The extension section (17) is connected to the connecting section (16) and is perpendicular to the connecting section (16). The extension end of the extension section (17) is connected to the lock head (9).

8. The door lock with a screwless mounting structure according to any one of claims 1-7, characterized in that, The lock head (9) has a blocking surface (18) at one end away from the first side wall (4) for abutting against the door panel (21), and the blocking surface (18) has a locking protrusion (19) at one end away from the first locking edge (6) for abutting against the corner of the hole in the door panel (21).

9. The door lock with a screwless mounting structure according to claim 8, characterized in that, The end of the lock head (9) facing the first locking edge (6) is a plane (20), which is parallel to the upper surface of the first locking edge (6).

10. The door lock with a screwless mounting structure according to claim 9, characterized in that, There is a gap between the plane (20) and the upper surface of the first card edge (6).

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