Reinforced door lock housing

Abstract

This utility model discloses a reinforced door lock housing, specifically relating to the field of door lock technology. It includes a reinforcing plate with a connecting assembly at its bottom. The connecting assembly includes a housing located at the bottom of the reinforcing plate, and a groove is formed in the middle of the housing, within which a lock cylinder is housed. This utility model, by setting an independent reinforcing plate and fixing it to the housing with bolts, forms a double-layer support structure with top reinforcement and middle protection. The reinforcing plate can distribute the torque transmitted during door handle operation, preventing deformation of the housing due to concentrated force, thus solving the problem of easy damage to existing single-housing structures. Simultaneously, the through-hole design at the four corners of the reinforcing plate can stably position the entire housing on the door surface, reducing the risk of displacement during use.

Description

Technical Field

[0001] This utility model relates to the field of door lock technology, and more specifically, to a reinforced door lock housing. Background Technology

[0002] Door locks are devices installed on doors to control their opening and closing and ensure space security. Their core function is to authorize or prevent people from entering or leaving through keys, passwords, fingerprints, etc. They are widely used in homes, offices, public buildings, and other scenarios.

[0003] The lock housing is the external protective and support structure that encloses the core components inside the lock (such as the lock cylinder, bolt, transmission structure, circuit module, etc.). Its main function is to protect the internal precision parts from impact, dust, and moisture, and to extend the life of the lock. However, the existing housings are just single housings with poor stability and are not easy to quickly install together with the lock cylinder structure required by the lock, making them inconvenient to use. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a reinforced door lock housing, which aims to solve the problems mentioned in the background art.

[0005] This utility model provides the following technical solution: a reinforced door lock housing, including a reinforcing plate, wherein a connecting component is provided at the bottom of the reinforcing plate; The connecting assembly includes a housing disposed at the bottom of the reinforcing plate, a sliding groove is provided in the middle of the housing, and a lock cylinder is disposed in the sliding groove; Deformation grooves are provided on both sides of the bottom of the housing, and a mounting plate is provided at the bottom of each deformation groove.

[0006] Optionally, in a possible implementation, the reinforcing plate has a through hole, a square shaft is provided in the through hole, the upper surface of the housing has a long slotted hole, the bottom end of the square shaft passes through the through hole and the long slotted hole in sequence and extends to the top of the lock cylinder, and the square shaft is slidably connected to the long slotted hole, the connection between the mounting plate and the deformation groove has an arc groove, and the mounting plate, deformation groove and mounting plate are integrally bent and formed, the housing and the reinforcing plate are fixedly connected by bolts, the four corners of the reinforcing plate and the two ends of the mounting plate have through holes respectively, the reinforcing plate is perpendicular to the bottom of the reinforcing plate along the length direction of the housing, and the inner lock cylinder is slidably connected to the housing; The technical effects and advantages of this utility model are as follows: By installing independent reinforcing plates and fixing them to the shell with bolts, a double-layer support structure with top reinforcement and middle protection is formed. The reinforcing plates can distribute the torque transmitted by the door handle during operation, preventing the shell from deforming due to concentrated force, thus solving the problem of easy damage to the existing single shell; at the same time, the through-hole design at the four corners of the reinforcing plates can stably position the shell as a whole on the door surface, reducing the risk of displacement during use; Furthermore, the sliding groove in the middle of the housing is slidably connected to the lock cylinder. Combined with the design of the square shaft penetrating the through hole of the reinforcing plate and the long waist hole of the housing, the lock cylinder can be directly pushed in along the sliding groove for assembly without complicated alignment, which solves the problem that the existing housing and lock cylinder are not easy to install quickly. Moreover, the sliding fit between the square shaft and the long waist hole can also prevent the lock cylinder from jamming during movement. Meanwhile, the deformation groove at the bottom of the body is a one-piece molded structure with a small deformation allowance. The deformation groove can adjust the angle of the mounting plate through slight deformation to ensure that the mounting plate fits perfectly with the door surface; at the same time, the through holes at both ends of the mounting plate are of the same specification as the through holes of the reinforcing plate, so that the same specification bolts can be used for fixing, further simplifying the installation process. Attached Figure Description

[0007] To more clearly illustrate the technical solutions in this disclosure, the accompanying drawings used in some embodiments will be briefly described below. Obviously, the drawings described below are only drawings of some embodiments of this disclosure, and those skilled in the art can obtain other drawings based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams and are not intended to limit the actual size of the product, the actual flow of the method, the actual timing of the signals, etc. involved in the embodiments of this disclosure.

[0008] Figure 1 This is a front view of the overall structure of this utility model.

[0009] Figure 2 This is a side view of the overall structure of this utility model.

[0010] Figure 3 This is a schematic diagram of the reinforcing plate, deformation groove, shell, and square shaft of this utility model.

[0011] Figure 4 This is a schematic diagram of the lock cylinder and square shaft of this utility model.

[0012] The attached diagram is labeled as follows: 1. Reinforcing plate; 2. Housing; 3. Slide groove; 4. Lock cylinder; 5. Through hole; 6. Square shaft; 7. Deformation groove; 8. Mounting plate; 9. Long slotted hole. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] This embodiment discloses a reinforced door lock housing, which aims to solve the problems of poor stability and inconvenient assembly with the lock cylinder in existing door lock housings. Its specific structure, assembly method and working principle are as follows, and the position and connection relationship of each component are described in detail with reference to the accompanying drawings.

[0015] The overall structure of this reinforced door lock housing is shown in the attached figure. Figure 1 As shown, its core includes a reinforcing plate 1 and a connecting component set at the bottom of the reinforcing plate 1. On both sides below the connecting component, there are mounting plates 8 for fixing to the door body. The whole structure is an inverted U-shaped support structure. The top rigidity is enhanced by the reinforcing plate 1, the lock cylinder is stably assembled by the connecting component, and the door body is firmly connected by the mounting plates 8. The three work together to improve the protection and ease of assembly of the door lock shell.

[0016] The reinforcing plate 1 can be made of cold-rolled steel plate. Through holes are opened at all four corners of the reinforcing plate 1 to initially position the entire door lock housing on the door surface with bolts, so as to prevent the housing from shifting during use. A through hole 5 is provided in the middle of the reinforcing plate 1. A stainless steel square shaft 6 is provided in the through hole 5 with clearance fit. The cross-sectional dimensions of the square shaft 6 are adapted to the through hole 5 to ensure that the square shaft 6 can rotate synchronously in the through hole 5. The top end of the square shaft 6 is used to connect the door handle, and the bottom end extends into the housing 2 below.

[0017] The connecting component is a combination structure of housing 2 and lock cylinder 4. Housing 2 can be integrally die-cast from aluminum alloy. The top edge of housing 2 is attached to the lower surface of reinforcing plate 1, and housing 2 is perpendicular to the bottom of reinforcing plate 1 along its own length. The two are fixedly connected by bolts to ensure a tight connection without loosening. A groove 3 is provided in the middle of the housing 2 along its length. A lock cylinder 4 is slidably connected in the groove 3. The size of the groove 3 is adapted to the cross-section of the lock cylinder 4. The lock cylinder 4 is a conventional door lock cylinder. Its outer side wall is clearance-fitted with the inner side wall of the groove 3 to ensure that the lock cylinder 4 can slide smoothly along the length of the groove 3. A long, narrow hole 9 is provided through the upper surface of the shell 2 at the position corresponding to the through hole 5 of the reinforcing plate 1, as shown in the attached figure. Figure 2As shown, the bottom end of the square shaft 6 passes through the through hole 5 of the reinforcing plate 1 and the elongated hole 9 of the housing 2 in sequence, and is then fixedly connected to the keyway on the top of the lock cylinder 4 by a flat key. The flat key connection ensures that the rotation of the square shaft 6 can be synchronously transmitted to the lock cylinder 4. At the same time, the length of the elongated hole 9 is designed to provide space for the sliding stroke of the lock cylinder 4, so as to avoid the square shaft 6 from hindering the movement of the lock cylinder 4.

[0018] The deformation groove 7 and the mounting plate 8 are an integral structure at the bottom of the housing 2, and their positions and shapes are shown in the attached figure. Figure 2 As shown.

[0019] The bottom sides of the shell 2 are recessed inward to form deformation grooves 7. The bottom end of the deformation groove 7 is bent away from the shell 2 to form a mounting plate 8. The connection between the mounting plate 8 and the deformation groove 7 is an arc groove, which is used to disperse bending stress and prevent cracking at this point during integral molding. The mounting plate 8, deformation groove 7 and shell 2 are integrally bent from the same aluminum alloy sheet to ensure structural integrity and avoid the risk of welding breakage. The mounting plate 8 has through holes at both ends, which are the same size as the through holes in the reinforcing plate 1 and are used to fit the same size bolts to fix the bottom of the housing 2 to the door body. The deformation groove 7 can provide a small deformation allowance during installation. The deformation groove 7 can adjust the angle of the mounting plate 8 through slight deformation to ensure that the mounting plate 8 fits completely with the surface of the door body and improves the assembly flexibility. The specific working principle is as follows: when the user turns the door handle, the door handle drives the square shaft 6 inside the through hole 5 of the reinforcing plate 1 to rotate synchronously. Since the square shaft 6 is fixedly connected to the lock cylinder 4 via a flat key, the rotation of the square shaft 6 will be converted into the linear motion of the lock cylinder 4. The lock cylinder 4 slides along the length direction in the groove 3 in the middle of the housing 2. At this time, the square shaft 6 slides synchronously in the long waist hole 9 of the housing 2 to avoid jamming. The sliding of the lock cylinder 4 drives the lock tongue connected to its end, an existing conventional component, to extend or retract into or out of the door frame lock hole, ultimately realizing the opening or closing of the door lock; Throughout the process, the reinforcing plate 1 can effectively disperse the torque transmitted by the door handle and prevent the housing 2 from deforming due to force; the deformation groove 7 ensures the stability of the bottom of the housing 2 and the door body, and avoids the housing from loosening due to slight deformation of the door body.

[0020] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. Reinforced door lock housing comprising a reinforcement plate (1), characterized in that: A connecting component is provided at the bottom of the reinforcing plate (1); The connecting assembly includes a housing (2) disposed at the bottom of the reinforcing plate (1), a groove (3) is provided in the middle of the housing (2), and a lock cylinder (4) is disposed in the groove (3). Deformation grooves (7) are provided on both sides of the bottom of the housing (2), and each deformation groove (7) is provided with a mounting plate (8) at its bottom end.

2. The reinforced door lock housing of claim 1, wherein: The reinforcing plate (1) has a through hole (5) and a square shaft (6) is provided inside the through hole (5).

3. The reinforced door lock housing of claim 2, wherein: The upper surface of the housing (2) is provided with a long waist hole (9). The bottom end of the square shaft (6) passes through the through hole (5) and the long waist hole (9) in sequence and extends to the top of the lock cylinder (4). The square shaft (6) and the long waist hole (9) are slidably connected.

4. The reinforced door lock housing of claim 1, wherein: An arc groove is provided at the connection between the mounting plate (8) and the deformation groove (7), and the mounting plate (8), the deformation groove (7) and the mounting plate (8) are integrally bent and formed.

5. The reinforced door lock housing of claim 1, wherein: The shell (2) and the reinforcing plate (1) are fixedly connected by bolts. Through holes are opened at the four corners of the reinforcing plate (1) and at both ends of the mounting plate (8).

6. The reinforced door lock housing of claim 1, wherein: The shell (2) has a reinforcing plate (1) perpendicular to the bottom of the reinforcing plate (1) along its length, and the inner lock core (4) is slidably connected to the shell (2).

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