A combined back cover

Abstract

This utility model discloses a combined back cover, relating to the field of cabinet technology. It includes a combined back cover, assembled by stacking basic unit compartments. This greatly simplifies the traditional practice of having to manufacture back covers of different heights to accommodate different cabinet heights. The back cover, combining the mechanism compartment and storage compartment basic units, also adds a rear-door storage function. Compared to traditional simple back covers, it makes full use of space. Only the basic unit compartments need to be manufactured to accommodate back covers of almost all cabinet heights, facilitating product standardization and automation. The installation method using through-holes and flanged holes eliminates the need for screws, greatly simplifying welding, grinding, and disassembly processes. This makes it possible to disassemble cabinet doors and back covers. This combined back cover greatly simplifies the processing of traditional door back covers and accessories, significantly improving processing and assembly speeds, and facilitating after-sales service, thus having broad application prospects.

Description

Technical Field

[0001] This utility model relates to the field of cabinet technology, specifically a combined back cover. Background Technology

[0002] A chest or cabinet is a type of furniture with specific height and function, typically used for storage in homes or commercial settings. Chest and cabinet designs can range from simple to complex, depending primarily on their purpose and placement environment. With increasing emphasis on home environment and pursuit of quality of life, the function and design of chests and cabinets have undergone further development and innovation. Whether used for storage or as decorative items, chests and cabinets play an important role in our lives. The back cover of a chest or cabinet is a crucial component, and current technology for chest and cabinet back covers primarily suffers from the following problems:

[0003] 1. Poor height adaptability: Traditional back covers need to be customized for different cabinet heights, and the lack of modular design leads to complex production and high costs;

[0004] 2. Limited functionality: Most back covers only serve as a sealing structure, failing to fully utilize the space behind the door for storage, resulting in low space utilization.

[0005] 3. Difficulty in standardization: Non-standardized manufacturing processes rely on manual welding and grinding, making it difficult to achieve automated production and resulting in low efficiency;

[0006] 4. Cumbersome disassembly and assembly: Traditional fixing methods (such as screws) require special tools, making disassembly inconvenient during maintenance or adjustment;

[0007] 5. Insufficient flexibility: The integral structure cannot adapt to the needs of detachable cabinets, which limits the application scenarios of the product. Utility Model Content

[0008] To achieve the above objectives, the present invention provides the following technical solution: a combined back cover, comprising a combined back cover on which several basic unit compartments are detachably mounted via a synchronous adjustment plate having a modular installation interface.

[0009] As a preferred technical solution of this utility model, the basic unit compartment includes a storage compartment and a mechanism compartment. The storage compartment is used to place items, and the mechanism compartment is used to cover the locking mechanism.

[0010] As a preferred technical solution of this utility model, the synchronous baffle has no less than two steps and the steps are synchronized, and the two synchronous baffles are symmetrically arranged front and back.

[0011] As a preferred embodiment of this utility model, the synchronous adjustment plate is provided with a number of grooves and flange holes at intervals.

[0012] As a preferred embodiment of this utility model, both sides of the storage compartment and the mechanism compartment are provided with through holes.

[0013] As a preferred technical solution of this utility model, the storage compartment and the mechanism compartment form an elastic snap-fit ​​structure through the through holes on both sides and the flange holes of the synchronous adjustment plate. During installation, the compartment body is temporarily opened so that the through holes fit into the flange holes, and the elastic rebound of the material is used to achieve screwless fixing.

[0014] As a preferred technical solution of this utility model, the top and bottom sides of the storage compartment and the mechanism compartment are provided with folded edges that respectively engage with the grooves on both sides of the flange hole.

[0015] As a preferred technical solution of this utility model, it also includes a lock head assembly. Under the principle of stacking and installing the basic unit compartment, the installation method of connecting the through holes on both sides to the flange holes can also be a single-sided through hole connected to the flange hole and fixed with screws on the other side, or a direct screw fixing method on both sides.

[0016] As a preferred technical solution of this utility model, under the principle of combined back cover assembly, the basic unit compartments are not necessarily basic units of the same size, but can also be groups of different sizes combined in a cross-combination to obtain the combined back cover that requires the overall height.

[0017] Compared with the prior art, the present invention provides a combined back cover, which has the following beneficial effects:

[0018] This modular back cover, through the stacking and installation of basic unit compartments, greatly simplifies the traditional practice of having to manufacture back covers of different heights to accommodate different cabinet heights. By combining the basic unit compartments of the mechanism compartment and the storage compartment, the back cover adds the function of storing items behind the door. Compared with the traditional simple back cover, it makes full use of space. Only the basic unit compartment needs to be produced to adapt to the back cover of cabinets of almost all heights, bringing convenience to product standardization and automation. The installation method of through hole connecting to flange hole eliminates the need for screw fixing, greatly simplifying the welding, grinding and disassembly processes. It makes it possible to disassemble some cabinet doors and back covers. This modular back cover greatly simplifies the processing of traditional door back covers and accessories, greatly improves the processing and assembly speed, and facilitates subsequent after-sales service, and has broad application prospects. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a combined back cover proposed in this utility model;

[0020] Figure 2 This is a schematic diagram of the lock assembly structure of a combined back cover proposed in this utility model;

[0021] Figure 3This is a schematic diagram of a synchronous adjustment baffle structure for a combined back cover proposed in this utility model;

[0022] Figure 4 This is a schematic diagram of a storage compartment structure with a combined back cover proposed in this utility model;

[0023] Figure 5 This is a schematic diagram of the mechanism of a combined rear cover proposed in this utility model;

[0024] Figure 6 This is a schematic diagram of the installation of a fixed anti-pry lock head for a combined back cover according to the present invention;

[0025] Figure 7 This is a schematic diagram of the installation of a fixed anti-pry lock head for a combined back cover according to the present invention;

[0026] Figure 8 This is a schematic diagram of a method for preparing a combined back cover according to the present invention.

[0027] In the diagram: 1. Combined back cover; 11. Synchronous adjustment baffle; 111. Groove; 112. Flanged hole; 113. Fixing hole one; 12. Basic unit compartment; 121. Storage compartment; 122. Mechanism compartment; 123. Through hole; 124. Folded edge; 125. Fixing hole two; 13. Lock cylinder assembly; 131. Linkage plate; 132. Power mechanism; 133. Lock cylinder; 14. Fixed anti-pry lock cylinder. Detailed Implementation

[0028] 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.

[0029] Please see Figure 1-8 A composite back cover includes a composite back cover 1, on which a plurality of basic unit compartments 12 are detachably mounted via a synchronous adjustment plate 11 having a modular installation interface. The synchronous adjustment plate 11 and the basic unit compartments 12 can be made of one of cold-rolled spring steel, stainless steel or galvanized steel.

[0030] In this implementation scheme, the scalability of the back cover system is achieved through modular installation interfaces. The synchronous adjustment baffle 11 serves as the core load-bearing structure, and its standardized installation interface allows the basic unit compartments 12 to be added or removed as needed. This architecture breaks through the technical bias of traditional one-piece molding of back covers, adopting a modular combination approach, which has broad market application prospects. By increasing or decreasing the number of basic unit compartments 12 to match different height boxes, the space waste caused by the single specification of traditional back covers is solved. Each basic unit compartment 12 can independently carry different functional modules, realizing the customized expansion of back cover functions as needed. Standardized components enable mass production, changing the high-cost model of traditional specification-based customization. Damaged individual basic unit compartments 12 can be replaced independently, avoiding the scrapping of the entire system.

[0031] As a specific technical solution in this embodiment, the basic unit compartment 12 includes a storage compartment 121 and a mechanism compartment 122. The storage compartment 121 is used to place items, and the mechanism compartment 122 is used to cover the locking mechanism.

[0032] In this implementation plan, the functional zoning design adopts a dual-unit architecture of mechanism and storage, with mechanical transmission components and stored items physically separated to avoid mutual interference; the mechanism compartment 122 can be reinforced with wall thickness to cope with vibration loads during lock operation; users can freely combine the two basic unit compartments 12 in proportion according to their needs; the structure is simple and compact, and a notch is provided on one side of the storage compartment 121 for users to take and put in items.

[0033] As a specific technical solution in this embodiment, the number of steps of the synchronous adjustment plate 11 is not less than two and the steps are synchronized, and the two synchronous adjustment plates 11 are symmetrically arranged front and back.

[0034] In this implementation scheme, the symmetrically arranged dual synchronous baffles 11 construct a stable load-bearing frame, forming a two-way constraint structure. The standardized spacing design ensures the installation and positioning accuracy of the basic unit compartment 12. The symmetrical structure evenly distributes dynamic loads to prevent stress concentration on one side. The two-way positioning reference ensures the parallelism of the basic unit compartment 12 and avoids assembly misalignment. The symmetrical design allows the synchronous baffles 11 to be rotated 180° for installation, reducing the difficulty of parts management and improving versatility.

[0035] As a specific technical solution of this embodiment, the synchronous adjustment plate 11 is provided with a plurality of grooves 111 and flange holes 112 at intervals.

[0036] In this embodiment, the composite structure of groove 111 and flange hole 112 forms a double anti-detachment structure. The depth of groove 111 precisely matches the thickness of flange 124 to maintain the flatness of appearance.

[0037] As a specific technical solution of this embodiment, both sides of the storage compartment 121 and the mechanism compartment 122 are provided with through holes 123; the storage compartment 121 and the mechanism compartment 122 form an elastic snap-fit ​​structure with the flange holes 112 of the synchronous adjustment plate 11 through the through holes 123 on both sides. During installation, the compartment body is temporarily opened so that the through holes 123 fit into the flange holes 112, and the elastic rebound of the material is used to achieve screwless fixing.

[0038] In this embodiment, the storage compartment 121 and the mechanism compartment 122 are installed without screws. The mechanism compartment 122 and the front and rear holes of the storage compartment 121 are connected by the flanged holes 112 of the front and rear synchronous adjustment baffles 11. The elasticity of the metal material is used to open the front and rear flanges 124, so that the through hole 123 can be inserted into the flanged holes 112 of the synchronous adjustment baffles 11 and then spring back to be firmly connected to the flanged holes 112. This allows for quick installation and facilitates quick disassembly and assembly during maintenance.

[0039] As a specific technical solution in this embodiment, the top and bottom sides of the storage compartment 121 and the mechanism compartment 122 are provided with folded edges 124 that respectively engage with the grooves 111 on both sides of the flange hole 112.

[0040] In this embodiment, the combination of the folded edge 124 and the groove 111 forms a double mechanical interlock. The folded edge 124 structure enhances the edge stiffness, increases the contact area, reduces local pressure, and the visible deformation of the folded edge 124 serves as an early warning of structural overload. At the same time, it can improve the overall appearance of the product.

[0041] As a specific technical solution of this embodiment, it also includes a lock head assembly 13. The lock head assembly 13 includes a linkage plate 131 and a power mechanism 132 for driving the linkage plate 131. The power mechanism 132 is installed inside the mechanism compartment 122. The linkage plate 131 is provided with a plurality of lock heads 133. The number and spacing of the lock heads 133 on the linkage plate 131 are consistent with the number and spacing of the flange holes 112 on the synchronous adjustment plate 11 on one side and are connected one by one.

[0042] In this embodiment, the power mechanism 132 can be a mechanical key lock, an electronic lock motor screw drive mechanism, or an electromagnet. The lock head 133 array and the hole positions of the synchronous adjustment plate 11 form a kinematic conjugate system. The output axis of the power mechanism 132 is perpendicular to the reference plane of the synchronous adjustment plate 11. The equidistant arrangement ensures the accuracy of the linkage of multiple lock heads 133, and the distribution of multiple locking points forms an anti-pry mechanical barrier.

[0043] As a specific technical solution in this embodiment, under the principle of stacking and installing the basic unit compartment 12, the installation method of connecting the through holes 123 on both sides to the flange holes 112 can also be a method of fixing the screw on the other side of the through hole 123 on one side to the flange hole 112, or a method of fixing the screw directly on both sides.

[0044] As a specific technical solution in this embodiment, under the principle of the combined back cover 1, the basic unit compartment 12 is not necessarily a basic unit of the same size, but can be a group of different sizes combined to obtain the combined back cover 1 that requires the overall height.

[0045] A method for preparing a composite back cover includes the following steps:

[0046] S1. The synchronous adjustment plate 11 is manufactured by stamping and forming process. The symmetrical synchronous adjustment plate 11 with flanged holes 112, grooves 111 and fixing holes 113 is made. The spacing of the flanged holes 112 must be strictly matched with the lock assembly 13. The depth design of the groove 111 must be able to completely hide the folded edge 124 of the storage compartment 121 and the mechanism compartment 122 to ensure a flat appearance.

[0047] The stamping process uses a multi-station continuous die to simultaneously process the flanged hole 112, the positioning groove 111, and the fixing hole 113 on the sheet metal. The flanged hole 112 is formed by reverse extrusion to ensure that the edge of the hole forms a vertical guide structure. The groove 111 is formed by shallow drawing process, and the depth is controlled to fully accommodate the thickness of the folded edge 124 of the basic unit compartment 12. The surface is passivated to eliminate burrs. When the synchronous baffle 11 is symmetrically processed, a mirror layout design is adopted, and the left and right parts share the same set of dies. Bidirectional universality is achieved by rotating 180°.

[0048] S2. Preparation of basic unit compartment 12: The storage compartment 121 and mechanism compartment 122 are processed by bending process. Through holes 123 are reserved on both sides and top and bottom folded edges 124 are reserved on the top and bottom sides. At least one fixing hole 125 is reserved on the front side. The diameter of the through hole 123 is slightly larger than the outer diameter of the folded edge hole 112 to form a firm snap-fit. The mechanism compartment 122 is pre-installed with the power mechanism 132. The linkage plate 131 needs to be synchronously calibrated with the folded edge hole 112 on the synchronous adjustment plate 11.

[0049] The storage compartment 121 and the mechanism compartment 122 adopt a U-shaped bending forming process. The two side folds 124 adopt an angle compensation design to ensure that the deformation is controllable when elastically opened. The linkage plate 131 is positioned by a contour jig to ensure that the lock head 133 array and the flange hole 112 of the synchronous adjustment plate 11 are collinear.

[0050] S3. Modular assembly: The number of basic unit compartments 12 is determined according to the height of the box. By opening the two sides of the basic unit compartment 12, the through holes 123 are aligned with the flange holes 112 on the synchronous adjustment plate 11. The metal elastic rebound is used to complete the screwless fixing. The folded edge 124 is fitted into the groove 111 of the synchronous adjustment plate 11 to complete the overlapping installation gap treatment and end face flatness treatment of the two basic unit compartments.

[0051] Calculate the required number of basic unit compartments 12 based on the vertical dimensions of the door, prioritize ensuring the necessary installation space for the lock system, use a special spreading tool to simultaneously apply the folded edges 124 on both sides of the basic unit compartment 12, align the center line of the through hole 123 with the axis of the flange hole 112 of the synchronous adjustment plate 11, and then release quickly. After assembly, perform an axial tensile test to confirm that the folded edge 124 and the groove 111 form a mechanical interlock. For abnormal work positions, use local heat treatment to restore the elasticity of the material.

[0052] S4. Optional direct screw fixing installation method. Under the principle of stacked installation of basic unit compartment 12, the installation method is to connect the through holes 123 on both sides to the flange holes 112. Alternatively, the installation method can be to connect the through holes 123 on one side to the flange holes 112 on the other side with screws, or to fix the installation method with screws directly on both sides.

[0053] S5. Optional mechanical reinforcement: After the basic unit compartment 12 is installed in place by connecting to the flange hole 112 on the synchronous adjustment plate 11 through the elastic clip, screws can be further screwed into the interior of the fixing hole 113 through the fixing hole 2 125 to further fix the storage compartment 121 and the mechanism compartment 122.

[0054] S6. Optional anti-pry system integration: If an anti-pry function is required, a fixed anti-pry lock head 14 can be installed on the synchronous adjustment plate 11 at the rear, away from the lock head 133. After the door is closed, the fixed anti-pry lock head 14 extends into the door frame, working in conjunction with the front lock head 133 to achieve front and rear anti-pry effect.

[0055] In summary, this combined back cover, through the stacking installation of the basic unit compartment 12, greatly simplifies the traditional practice of having to manufacture back covers of different heights to adapt to different cabinet heights. By combining the basic unit of mechanism compartment 122 and storage compartment 121, the back cover adds the function of storing items behind the door. Compared with the traditional simple back cover, it makes full use of space. Only the basic unit compartment 12 needs to be produced to adapt to the back cover of almost all cabinet heights, bringing convenience to product standardization and automation. The installation method of connecting the through hole 123 to the flange hole 112 does not require screw fixing, which greatly simplifies the welding, grinding and disassembly processes. It makes it possible to disassemble some cabinet doors and back covers. This combined back cover 1 greatly simplifies the processing of traditional door back covers and accessories, greatly improves the processing speed and assembly speed, and facilitates subsequent after-sales processing, and has broad application prospects.

[0056] It should be noted that, in this document, terms such as "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0057] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A combined rear cover comprising a combined rear cover (1), characterized in that: The combination back cover (1) is detachably provided with a plurality of basic unit compartments (12) through the synchronous adjusting plates (11) with modular mounting interfaces.

2. A combined back cover according to claim 1, characterized in that: The basic unit compartment (12) comprises a storage compartment (121) and a mechanism compartment (122), the storage compartment (121) is used for placing articles, and the mechanism compartment (122) is used for covering a lock mechanism.

3. A combined back cover according to claim 1, characterized in that: The number of steps of the synchronous adjusting plate (11) is not less than two, and the steps are synchronous, and two synchronous adjusting plates (11) are symmetrically arranged.

4. The combination back cover of claim 1, wherein: A plurality of grooves (111) and flange holes (112) are symmetrically arranged on the synchronous adjusting plate (11).

5. A combined back cover according to claim 2, characterized in that: Both sides of the storage compartment (121) and the mechanism compartment (122) are provided with through holes (123).

6. A combined back cover according to claim 5, characterized in that: The storage compartment (121) and the mechanism compartment (122) form an elastic clamping structure with the flange holes (112) of the synchronous adjusting plate (11) through the through holes (123) on both sides, and when installed, the through holes (123) are sleeved into the flange holes (112) by temporarily supporting the compartment body, and the screwless fixing is realized by using the elastic rebounding sleeve connection.

7. A combined back cover according to claim 5, characterized in that: Both sides of the storage compartment (121) and the mechanism compartment (122) are provided with flanges (124) which are clamped with the grooves (111) on both sides of the flange holes (112).

8. A combined back cover according to claim 5, characterized in that: Under the principle of stacking installation of the basic unit compartment (12), the installation mode of sleeving the through holes (123) on both sides with the flange holes (112) can also adopt the installation mode of screwing on one side of the through holes (123) with the flange holes (112) on the other side, or directly screwing on both sides.

9. A combined back cover according to claim 8, characterized in that: Under the principle of combination forming of the combination back cover (1), the basic unit compartments (12) are basic units of the same size, or different sizes, and are grouped and cross combined to obtain the combination back cover (1) with the required overall height.

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