Separable magnetic tenon-mortise structure
Patent Information
- Application Number
- CN202522232823.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-22
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-10-22
Smart Images

Figure CN224903671U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mortise and tenon structure technology, specifically a detachable magnetic mortise and tenon structure. Background Technology
[0002] Mortise and tenon joints, as the core of traditional Chinese woodworking, are widely used in furniture making and building structures due to their ability to achieve stable connections between components without the need for additional fasteners. Their core advantage lies in achieving a unity of mechanical performance and structural aesthetics through the precise interlocking of the mortise and tenon structure. However, traditional mortise and tenon joints have significant limitations in modern applications: First, the assembly process requires extremely high precision, relying on professional skills to ensure accurate alignment of the tenon and mortise, which is difficult for ordinary users to perform independently; second, the connection is irreversible, and once assembled, disassembly can easily lead to cracking or deformation of the tenon or mortise, making repeated assembly and disassembly impossible and hindering modular design, transportation, and storage; third, in dynamic environments such as vibration and collision, connections relying solely on mechanical interlocking are prone to loosening, affecting structural stability; fourth, when traditional mortise and tenon joints are combined with hardware, exposed fasteners can detract from the overall aesthetics of the structure, while pure magnetic connections, although convenient to assemble and disassemble, have limited load-bearing capacity and cannot meet structural load-bearing requirements.
[0003] While existing technologies have attempted to combine magnetic components with mortise and tenon structures, many suffer from design flaws: some solutions use magnets merely as auxiliary fasteners, failing to achieve the synergistic effect of mortise and tenon interlocking and magnetic attraction, resulting in insufficient positioning accuracy; some solutions lack optimization of the mortise and tenon structure for magnetic guidance, leading to gaps after attraction and affecting connection stability; and others lack concealed fixing structures, failing to balance practicality and aesthetics. Therefore, there is an urgent need for an innovative structure that retains the mechanical advantages and aesthetic value of traditional mortise and tenon structures while leveraging magnetic properties to achieve precise positioning, convenient assembly and disassembly, and stable connection, thus meeting the demands of modern modular, detachable, and high-quality products. Utility Model Content
[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.
[0005] Therefore, the purpose of this utility model is to provide a separable magnetic mortise and tenon structure to solve the problems mentioned in the background art.
[0006] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:
[0007] A detachable magnetic mortise and tenon structure, comprising:
[0008] Magnetic mortise and tenon joint, which has a tenon joint groove;
[0009] A tenon, having a tenon that fits into the tenon joint groove;
[0010] The magnetic mortise and the tenon are magnetically attracted to each other, and when the magnetic mortise and the tenon are attracted to each other, the tenon is embedded in the tenon groove.
[0011] In a preferred embodiment of the separable magnetic mortise and tenon structure described in this utility model, both the magnetic mortise and the tenon are magnetic structures.
[0012] As a preferred embodiment of the separable magnetic mortise and tenon structure described in this utility model, the tenon groove is a rectangular groove, and the rectangular groove is opened inward from the surface of the magnetic mortise seat, and has an inclined surface with a gradually decreasing slope.
[0013] As a preferred embodiment of the separable magnetic mortise and tenon structure described in this utility model, the tenon is a rectangular block, and the rectangular block has an inclined surface with a gradually decreasing slope from the surface of the tenon towards the direction perpendicular to its surface.
[0014] As a preferred embodiment of the separable magnetic mortise and tenon structure of the present invention, the tenon joint groove is provided with a first screw hole for a screw to pass through and penetrate the magnetic mortise seat, and the tenon joint groove is provided with a first recessed groove with a diameter larger than the first screw hole.
[0015] As a preferred embodiment of the separable magnetic mortise and tenon structure of the present invention, the surface of the tenon is provided with a second screw hole for the screw to pass through, and the surface of the tenon is provided with a second recessed groove with a diameter larger than the second screw hole.
[0016] As a preferred embodiment of the separable magnetic mortise and tenon structure described in this utility model, the first recessed groove is a conical hole and is integrally formed with the first screw hole.
[0017] As a preferred embodiment of the separable magnetic tenon and mortise structure described in this utility model, the second recessed groove is a conical hole and is integrally formed with the second screw hole.
[0018] Compared with the prior art, the beneficial effects of this utility model are:
[0019] 1. Through the magnetic attraction between the magnetic mortise and tenon, assembly does not require professional tools or high-precision operation. The magnetic force can automatically guide the tenon to the precise position of the tenon groove and complete the attraction, which significantly reduces the difficulty of assembly. Ordinary users can quickly complete the connection operation, solving the problem of high threshold of traditional mortise and tenon assembly.
[0020] 2. The synergistic connection method of magnetic attraction and mortise and tenon interlocking allows components to be separated by applying only a moderate external force to overcome the magnetic force during disassembly, avoiding the damage to the structure caused by traditional mortise and tenon disassembly. It can be repeatedly disassembled and reassembled, perfectly adapting to scenarios such as modular furniture and detachable models that require frequent assembly and disassembly, reducing transportation and storage costs.
[0021] 3. The interlocking mortise and tenon structure provides core load-bearing capacity, while the magnetic attraction forms a secondary fixation. In a vibration environment, it can provide additional holding force, effectively preventing the tenon from coming out of the mortise due to loosening, thus preventing structural redundancy. This improves the overall stability and seismic performance of the connection, combining the mechanical advantages of traditional mortise and tenon joints with the anti-loosening characteristics of the magnetic attraction structure.
[0022] 4. The inclined surface design of the tenon and mortise ensures that the components fit tightly without obvious gaps after being attracted together; the first and second recessed grooves can accommodate screw heads, achieving concealed fixing and avoiding the destruction of structural aesthetics by exposed fasteners, meeting the requirements of minimalist design. It is especially suitable for scenarios with high requirements for appearance integrity, such as handleless furniture and art installations. This structure can be made of different materials such as wood and metal according to application needs. Magnets can be built-in or embedded without changing the core structural form of traditional mortise and tenon joints. It can be used for small components such as children's toys and precision instrument boxes, as well as large structures such as large wooden frames and screen partitions. Its compatibility and practicality are significantly better than traditional mortise and tenon joints and single magnetic structures. Attached Figure Description
[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:
[0024] Figure 1 This is a schematic diagram of the overall structure of a detachable magnetic mortise and tenon structure according to the present invention.
[0025] Figure 2 This is a cross-sectional view of the overall structure of a detachable magnetic mortise and tenon structure according to the present invention.
[0026] Figure 3This is a schematic diagram of the magnetic mortise seat of a separable magnetic mortise and tenon structure according to the present invention;
[0027] Figure 4 This is a structural diagram of a tenon joint with a detachable magnetic mortise and tenon structure according to the present invention. Detailed Implementation
[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0029] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.
[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.
[0031] Figures 1-4 The diagram shown is a structural schematic of one embodiment of a detachable magnetic mortise and tenon structure. Please refer to [link / reference]. Figures 1-4 The main body of this embodiment of a separable magnetic mortise and tenon structure includes a magnetic mortise seat 100 and a tenon 200.
[0032] The magnetic mortise 100 has an inwardly formed tenon groove 110 that fits the tenon 210. The tenon groove 110 is a rectangular groove with an inner wall that is a gradually decreasing slope, with the slope angle controlled between 3° and 5°. This slope design guides the tenon 210 to fit precisely and enhances the fit.
[0033] The tenon 200 has a rectangular tenon 210 integrally formed on its surface, and both the magnetic mortise 100 and the tenon 200 use neodymium iron boron strong magnets. The outer wall of the tenon 210 is an inclined surface with a gradually decreasing slope that matches the inclined surface of the tenon groove 110. The inclination angle is consistent with that of the tenon groove 110, ensuring that the two fit tightly together after being attracted.
[0034] The bottom of the tenon groove 110 has a first screw hole 110a that passes through the magnetic mortise seat 100. The first screw hole 110a is adapted to a cross-head countersunk screw. Above the first screw hole 110a is a first recessed groove 110b. The first recessed groove 110b is a tapered hole with a taper of 90°. Its large end diameter is 2-3 mm larger than the first screw hole 110a, and its depth is 2-3 mm, ensuring that the screw head is completely embedded in the groove and does not protrude from the surface of the tenon groove 110. Similarly, the surface of the tenon 210 has a second screw hole 210a. The second screw hole 210a has the same size and position as the first screw hole 110a. Above the second screw hole 210a is a second recessed groove 210b, whose structural parameters are the same as those of the first recessed groove 110b, to achieve hidden fixing of the screw.
[0035] Combination Figures 1-4 The detachable magnetic mortise and tenon structure of this embodiment is used as follows: The magnetic mortise base 100 and the tenon 200 are respectively embedded in two components that need to be connected, and countersunk screws are screwed into the first screw hole 110a and the second screw hole 210a respectively, so that the magnetic mortise base 100 and the tenon 200 are respectively fixed in the components that need to be connected. The head of the countersunk screw is embedded in the first recessed groove 110b and the second recessed groove 210b to achieve concealment. The tenon 210 of the tenon 200 is aligned with the tenon groove 110 of the magnetic mortise base 100. At this time, the magnetic force will automatically generate an attraction force, guiding the tenon 210 to slide into the tenon groove 110 along the inclined surface until the two are completely fitted, completing the connection of the two components that need to be connected. When it is necessary to separate the connection of the two connected components, an external force opposite to the attraction direction is directly applied to the tenon 200. After overcoming the magnetic force, the tenon 210 can be separated from the tenon groove 110. At this time, the two connected components are separated.
[0036] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A detachable magnetic mortise and tenon structure, characterized in that, include: Magnetic mortise (100) having a tenon joint groove (110); Tenon (200) having a tenon (210) adapted to the tenon groove (110); The magnetic mortise (100) and the tenon (200) are magnetically attracted together, and when the magnetic mortise (100) and the tenon (200) are attracted together, the tenon (210) is embedded in the tenon groove (110).
2. The detachable magnetic mortise and tenon structure according to claim 1, characterized in that, Both the magnetic mortise (100) and the tenon (200) are magnetic structures.
3. The detachable magnetic mortise and tenon structure according to claim 1, characterized in that, The tenon groove (110) is a rectangular groove, and the rectangular groove is opened inward from the surface of the magnetic mortise (100) and has an inclined surface with a gradually decreasing slope.
4. The detachable magnetic mortise and tenon structure according to claim 1, characterized in that, The tenon (210) is a rectangular block, and the rectangular block has an inclined surface with a gradually decreasing slope from the surface of the tenon (200) toward a direction perpendicular to its surface.
5. The detachable magnetic mortise and tenon structure according to claim 1, characterized in that, The tenon joint groove (110) has a first screw hole (110a) for the screw to pass through and penetrate the magnetic mortise (100), and the tenon joint groove (110b) has a diameter larger than the first screw hole (110a).
6. The detachable magnetic mortise and tenon structure according to claim 1, characterized in that, The surface of the tenon (210) is provided with a second screw hole (210a) for the screw to pass through, and the surface of the tenon (210) is provided with a second recess (210b) with a diameter larger than the second screw hole (210a).
7. A detachable magnetic mortise and tenon structure according to claim 5, characterized in that, The first recessed groove (110b) is a tapered hole and is integral with the first screw hole (110a).
8. A detachable magnetic mortise and tenon structure according to claim 6, characterized in that, The second recessed groove (210b) is a tapered hole and is integral with the second screw hole (210a).