A kind of anti-warping limiting angle code, adjustable angle code mechanism and bedstead

Abstract

The utility model relates to life furniture technical field, specifically disclose a kind of anti-warping limiting angle code, adjustable angle code mechanism and bedstead, comprising: angle code body, the angle code body includes vertical part, and the horizontal part for supporting mattress support and fixedly arranged in the bottom of the vertical part;Anti-warping piece, the anti-warping piece is fixedly arranged in the vertical part or the horizontal part, and extend in the direction away from the vertical part, to cooperate the horizontal part and limit mattress support up and down displacement.The anti-warping limiting angle code, adjustable angle code mechanism and bedstead provided by the utility model can effectively solve the problem that the existing L-shaped angle code cannot constrain the upwarp deformation of mattress support, resulting in the mattress support shaking and abnormal sound problem.

Description

Technical Field

[0001] This utility model relates to the field of living furniture technology, and in particular to an anti-warping limiting corner code, an adjustable corner code mechanism, and a bed frame. Background Technology

[0002] As a crucial component of furniture, the stability and comfort of the bed frame directly impact the user experience. Currently, in common bed frame structures on the market, the mattress support components (including the slatted frame or bed board, etc.) typically use L-shaped corner brackets as support parts. Specifically, after fixing the L-shaped corner brackets to the inside of the bed frame with screws, the mattress support components can be placed directly on the horizontal surface of the L-shaped corner brackets, thereby providing upward support to support the weight of the mattress and the body.

[0003] However, this traditional L-shaped corner bracket support method has obvious drawbacks: the L-shaped corner bracket can only provide vertical upward support to limit the downward movement of the mattress support components, but it cannot effectively restrain the upward deformation of the mattress support components. During the user's tossing and turning or during prolonged use, the mattress support components are prone to warping due to uneven local stress, eventually leading to bed shaking, abnormal noises, or even structural loosening, affecting sleep quality.

[0004] Therefore, the existing L-shaped corner brackets need to be improved to solve the problem of mattress support component wobbling and abnormal noise caused by their inability to restrain the upward deformation of the mattress support components.

[0005] The information disclosed in this background section is included only to enhance the understanding of the context of this disclosure, and therefore may contain information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0006] One objective of this invention is to provide an anti-warping limiting corner code, an adjustable corner code mechanism, and a bed frame, which can effectively solve the problem of mattress support component shaking and abnormal noise caused by the inability of existing L-shaped corner codes to restrain the upward warping deformation of mattress support components.

[0007] To achieve the above objectives, this utility model provides an anti-warping limiting angle code, comprising:

[0008] An angle bracket body, the angle bracket body including a vertical part and a horizontal part for supporting the mattress support and fixed to the bottom of the vertical part;

[0009] An anti-warping component is fixed to the vertical portion or the horizontal portion and extends away from the vertical portion to cooperate with the horizontal portion to limit the vertical displacement of the mattress support.

[0010] Optionally, the anti-warping component includes:

[0011] A transverse screw, one end of which is fixed to the vertical part, and the other end protruding above the mattress support or protruding into the side hole of the mattress support;

[0012] An outer limiting nut is threadedly connected to the end of the transverse screw away from the vertical part, and is used to prevent the transverse screw from disengaging from the side hole of the mattress support member;

[0013] An inner limiting nut is threadedly connected to one end of the transverse screw near the vertical part, and is used to limit the mattress support member from abutting the vertical part.

[0014] Optionally, the vertical part is provided with a threaded hole for the transverse screw to be screwed into, and the transverse screw is threaded into the threaded hole and welded to the vertical part for fixation.

[0015] Optionally, the anti-warping component includes:

[0016] An inverted L-shaped limiting member is fixed to the transverse portion and cooperates with the transverse portion to form a side-opening slot.

[0017] The opening of the side-opening slot faces away from the vertical part, so that the mattress support can be inserted horizontally.

[0018] Optionally, the vertical part is provided with a mounting hole for the mounting screw to pass through, and the mounting hole is higher than the anti-tilting component.

[0019] On the other hand, an adjustable corner code mechanism is provided, including:

[0020] A fixed base plate, wherein the fixed base plate is provided with a vertical strip groove;

[0021] Any of the aforementioned anti-warping limiting angle codes;

[0022] A clamping and limiting component passes through the anti-tilting limiting angle code and the vertical strip groove; wherein, the clamping and limiting component has a released state in which the anti-tilting limiting angle code slides up and down along the vertical strip groove after the fixed base plate is released, and a clamping state in which the fixed base plate is clamped to limit the up and down displacement of the anti-tilting limiting angle code.

[0023] Optionally, the clamping and limiting component includes:

[0024] A limiting clamp, wherein the limiting clamp is located on the side of the vertical strip groove away from the anti-tilting limiting angle code;

[0025] The adjusting bolt passes sequentially through the vertical part and the vertical strip groove from the side of the vertical part away from the fixed base plate, and is then threaded to the limiting clamp.

[0026] Optionally, the vertical strip groove is provided on the side away from the anti-tilting limiting angle code, providing a vertical sliding groove for the limiting clamp to slide up and down;

[0027] The vertical groove is used to restrict the limiting clamp from rotating with the adjusting bolt.

[0028] Optionally, the vertical strip groove has a rack portion on its groove wall, and the adjusting bolt is fixed with a gear portion that meshes with the rack portion.

[0029] On another front, a bed frame is provided, comprising a bed frame, an anti-warping limiting corner bracket or an adjustable corner bracket mechanism installed on the inner wall of the bed frame, and a mattress support member disposed on each of the anti-warping limiting corner brackets.

[0030] The beneficial effects of this utility model are as follows: It provides an anti-warping limiting corner bracket, an adjustable corner bracket mechanism, and a bed frame. While retaining the original vertical and horizontal sections of the traditional L-shaped corner bracket, it innovatively adds an anti-warping component with a specific orientation—the anti-warping component extends outward from either the vertical or horizontal section, naturally forming an upper and lower limiting structure with the horizontal section. This design enables the corner bracket to simultaneously possess two key functions: the horizontal section continues to provide the vertical support force required to lift the mattress support components, while the newly added anti-warping component restricts the upward movement of the mattress support components. When the mattress support components experience an upward tendency due to dynamic load, the anti-warping component immediately generates a reverse restraint force, forming a self-balancing torque system.

[0031] Therefore, the anti-warping limiting corner code, adjustable corner code mechanism and bed frame provided by this utility model can effectively solve the problem of mattress support shaking and abnormal noise caused by the inability of existing L-shaped corner codes to restrain the upward warping deformation of mattress support components. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. 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.

[0033] Figure 1 A schematic diagram of the bed frame provided in Example 1;

[0034] Figure 2 This is a schematic diagram of the structure of the through-rod type anti-tilting limiting angle code provided in Example 1;

[0035] Figure 3 This is a schematic diagram of the snap-fit ​​anti-warping limiting angle bracket provided in Example 1;

[0036] Figure 4 This is a schematic diagram of the bed frame provided in Example 2;

[0037] Figure 5 A front view of the adjustable corner bracket mechanism provided in Embodiment 2;

[0038] Figure 6 This is a schematic diagram of the back of the adjustable corner code mechanism provided in Example 2.

[0039] In the picture:

[0040] 1. Bed frame;

[0041] 2. Adjustable corner bracket mechanism; 201. Fixed base plate; 2011. Vertical strip groove; 2012. Rack section; 2013. Vertical slide groove; 202. Anti-tilting limiting corner bracket; 2021. Corner bracket body; 2021a. Vertical section; 2021b. Horizontal section; 2021c. Mounting hole; 2022. Anti-tilting component; 2022a. Horizontal through screw; 2022b. Outer limiting nut; 2022c. Inner limiting nut; 2022d. Inverted L-shaped limiting component; 2023. Side opening slot; 203. Clamping limiting assembly; 2031. Limiting clamp plate; 2032. Adjusting bolt; 2032a. Gear section;

[0042] 3. Mattress support components. Detailed Implementation

[0043] In this utility model, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of this utility model. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this utility model, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0044] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit the invention.

[0045] In the description of this utility model, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " generally indicates that the preceding and following objects have an "or" logical relationship.

[0046] In this invention, terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy, or order between these entities or operations.

[0047] Without further limitations, the use of terms such as “comprising,” “including,” “having,” or other similar expressions in this invention is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a series of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0048] Similar to the understanding in the Examination Guidelines, in this utility model, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments of this utility model, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0049] In the description of the embodiments of this utility model, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the convenience of describing the specific embodiments of this utility model or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0050] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this utility model, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. For those skilled in the art to which this utility model pertains, the specific meaning of the above terms in the embodiments of this utility model can be understood according to the specific circumstances.

[0051] This utility model provides an anti-warping limiting corner code, an adjustable corner code mechanism, and a bed frame. By upgrading the traditional L-shaped corner code's one-way support structure to a two-way constraint system, it fundamentally solves the problem of mattress support components warping and deforming.

[0052] As in Examples 1 and 2, the following describes various embodiments of the anti-warping limiting angle code of this utility model with reference to the accompanying drawings.

[0053] Example 1

[0054] This embodiment provides an anti-warping limiting angle code and a bed frame, which is suitable for application scenarios that prevent mattress support components from warping and deforming. It can effectively solve the problem that existing L-shaped angle codes cannot restrain the warping deformation of mattress support components, resulting in mattress support component shaking and abnormal noise.

[0055] See Figure 1 The bed frame provided in this embodiment includes a bed frame 1, a plurality of anti-warping limiting corner brackets 202 installed on the inner wall of the bed frame 1, and a mattress support 3 placed on each of the anti-warping limiting corner brackets 202.

[0056] Among them, see Figure 2 The anti-warping limit angle code 202 includes:

[0057] The corner bracket body 2021 includes a vertical part 2021a and a horizontal part 2021b for supporting the mattress support member 3 and fixed to the bottom of the vertical part 2021a.

[0058] Anti-warping component 2022 is fixed to the vertical part 2021a or the horizontal part 2021b and extends away from the vertical part 2021a to cooperate with the horizontal part 2021b to restrict the vertical displacement of the mattress support 3.

[0059] The anti-warping limiting corner bracket 202 and bed frame provided by this utility model, based on the original vertical part 2021a and horizontal part 2021b of the traditional L-shaped corner bracket body 2021, innovatively adds an anti-warping component 2022 with a specific orientation—the anti-warping component 2022 extends outward from the vertical part 2021a or the horizontal part 2021b, naturally forming an upper and lower limiting structure with the horizontal part 2021b. This design enables the corner bracket to simultaneously possess two key functions: the horizontal part 2021b continues to provide the vertical support force required to lift the mattress support component 3, while the newly added anti-warping component 2022 restricts the upward movement of the mattress support component 3. When the mattress support component 3 is subjected to dynamic load and has an upward tendency, the anti-warping component 2022 immediately generates a reverse restraint force, forming a self-balancing torque system.

[0060] In practical use, when a user rolls over and applies a localized impact, the anti-warping component 2022 and the lateral part 2021b act like a pair of interlocking jaws, controlling the vertical displacement of the mattress support 3 within an allowable range. This dynamic stabilization mechanism not only eliminates the impact noise caused by repeated warping in traditional structures, but also significantly reduces stress concentration at the connection points, ensuring that the entire bed frame system maintains its initial tightness during long-term use.

[0061] Therefore, the anti-warping limiting angle code 202 and bed frame provided by this utility model can effectively solve the problem of mattress support 3 shaking and abnormal noise caused by the inability of the existing L-shaped angle code to restrain the upward warping deformation of the mattress support 3.

[0062] In this embodiment, the vertical part 2021a is provided with a mounting hole 2021c for the mounting screw to pass through. The mounting hole 2021c is higher than the anti-warping member 2022 to prevent the anti-warping member 2022 from blocking the mounting hole 2021c, which would prevent the corner bracket body 2021 from being installed on the bed frame 1. Specifically, during installation, the anti-warping limiting corner bracket 202 is first installed on the mattress support member 3, and then the anti-warping limiting corner bracket 202 is fixed to the bed frame 1 or the fixed base plate 201.

[0063] It should be noted that the main function of the anti-warping component 2022 is to restrict the upward movement of the mattress support component 3. Its structural form varies, and this utility model does not limit it. For ease of understanding, the following description uses a through-rod structure and a snap-fit ​​structure as examples.

[0064] (1) Through-rod structure

[0065] See Figure 2 The rod-type anti-tilting component 2022 includes:

[0066] A transverse screw 2022a is provided, one end of which is fixed to the vertical part 2021a, and the other end protrudes above the mattress support 3 or protrudes into the side hole of the mattress support 3.

[0067] An outer limiting nut 2022b is threadedly connected to the end of the transverse screw 2022a away from the vertical part 2021a, and is used to restrict the transverse screw 2022a from disengaging from the side hole of the mattress support 3.

[0068] The inner limiting nut 2022c is threadedly connected to one end of the transverse screw 2022a near the vertical part 2021a, and is used to limit the mattress support 3 from abutting the vertical part 2021a.

[0069] In the aforementioned through-rod type anti-tilting component 2022, the through-bolt 2022a passes laterally through the outer frame of the mattress support 3, thereby limiting the upward tilting of the mattress support 3. The inner and outer limiting nuts lock the outer frame of the mattress support 3 from the inner and outer sides respectively to prevent the mattress support 3 from shifting laterally.

[0070] Furthermore, the vertical part 2021a is provided with a threaded hole for the transverse screw 2022a to be threaded into, and the transverse screw 2022a is threaded into the threaded hole and welded to the vertical part 2021a for fixation.

[0071] Threaded connections provide preload to ensure initial installation accuracy, while welding eliminates the risk of loosening of the threaded joints and enhances fatigue resistance. This combined fixing method has a lifespan far exceeding that of a single fixing method, and is particularly suitable for bed frame structures subjected to frequent stresses, effectively preventing corner brackets from loosening or failing.

[0072] (2) Snap-fit ​​structure

[0073] See Figure 3 The snap-fit ​​anti-tilting component 2022 includes an inverted L-shaped limiting component 2022d, which is fixed to the transverse portion 2021b and cooperates with the transverse portion 2021b to form a side-opening slot 2023.

[0074] The opening of the side opening slot 2023 faces away from the vertical part 2021a, so that the mattress support 3 can be inserted in the horizontal direction.

[0075] The inverted L-shaped limiting member 2022d and the transverse part 2021b form a side-opening slot 2023, realizing a horizontal insertion design with the mattress support member 3, thereby improving installation efficiency.

[0076] In summary, the anti-warping limiting angle bracket 202 and bed frame provided in this embodiment have the following advantages:

[0077] ① Add anti-warping component 2022 structure: By adding an outwardly extending anti-warping component 2022 to the L-shaped corner bracket, it forms an upper and lower limiting structure with the horizontal part 2021b, dynamically restraining the upward warping deformation of the mattress support component 3, and eliminating shaking and abnormal noise.

[0078] ② Dual-function integration: The horizontal part 2021b provides vertical support force, and the anti-tilting part 2022 provides reverse constraint force, forming a self-balancing torque system, which solves the support and limit problems at the same time.

[0079] ③ Through-rod anti-warping solution: By cooperating with the through-rod 2022a and the inner and outer limit nuts 2022b, the mattress support 3 is locked in both directions to prevent warping and lateral displacement. Welding reinforcement improves fatigue resistance.

[0080] ④ Snap-fit ​​quick installation: The inverted L-shaped limiting piece 2022d and the horizontal part 2021b form a side-opening slot 2023, which supports the horizontal insertion of the mattress support piece 3, simplifying the assembly process and improving production efficiency.

[0081] Example 2

[0082] This embodiment provides an anti-warping limiting angle code and a bed frame. Based on embodiment 1, a fixed base plate and a clamping limiting component are added, thereby realizing the adjustment of the support height of the mattress support component.

[0083] See Figure 4 The bed frame provided in this embodiment includes a bed frame 1, a plurality of adjustable corner bracket mechanisms 2 installed on the inner wall of the bed frame 1, and a mattress support 3 placed on each of the adjustable corner bracket mechanisms 2.

[0084] Among them, see Figure 5 and Figure 6 The adjustable corner code mechanism 2 includes:

[0085] A fixed base plate 201 is fixed to the inner side of the bed frame 1 and is provided with a vertical strip groove 2011;

[0086] The anti-warping limiting corner code 202 has the specific shape and structure described in Example 1, and will not be repeated in this embodiment;

[0087] A clamping and limiting component 203 passes through the anti-tilting limiting angle bracket 202 and the vertical strip groove 2011; wherein, the clamping and limiting component 203 has a released state in which the anti-tilting limiting angle bracket 202 slides up and down along the vertical strip groove 2011 after the fixed base plate 201 is released, and a clamping state in which the fixed base plate 201 is clamped to limit the up and down displacement of the anti-tilting limiting angle bracket 202.

[0088] Furthermore, the clamping and limiting component 203 includes:

[0089] The limiting clamp 2031 is located on the side of the vertical strip groove 2011 away from the anti-tilting limiting angle code 202;

[0090] The adjusting bolt 2032 passes through the mounting hole 2021c in the center of the vertical part 2021a and the vertical strip groove 2011 from the side of the vertical part 2021a away from the fixed base plate 201, and is then threaded to the limiting clamp 2031.

[0091] Optionally, the vertical strip groove 2011 is provided with a vertical slide groove 2013 on the side away from the anti-tilting limiting angle code 202, which allows the limiting clamp 2031 to slide up and down; the vertical slide groove 2013 is used to restrict the limiting clamp 2031 from rotating with the adjusting bolt 2032.

[0092] In this embodiment, the adjustable corner code mechanism 2 mainly consists of a fixed base plate 201, an anti-tilting limiting corner code 202, and a clamping and limiting component 203. Its core function is to adjust and lock the vertical height of the anti-tilting limiting corner code 202. The specific working process is as follows:

[0093] (1) Adjustment preparation (loose state)

[0094] The fixed base plate 201 is pre-installed on the inside of the bed frame 1, and the vertical strip groove 2011 provides a track for sliding up and down.

[0095] The clamping and limiting components 203 (such as the adjusting bolt 2032 and the limiting clamp 2031) pass through the vertical part 2021a of the anti-warping limiting angle bracket 202 and the vertical strip groove 2011. At this time, the bolt is not fully tightened, and there is a gap between the limiting clamp 2031 and the fixed base plate 201. The anti-warping limiting angle bracket 202 can slide freely up and down along the vertical strip groove 2011 to adapt to different installation height requirements of the mattress support component 3.

[0096] (2) Height positioning and locking (clamping state)

[0097] When the anti-warping limit bracket 202 slides to the target position (such as being flush with the mattress support 3), tighten the adjusting bolt 2032 to press the limit clamp 2031 against the fixed base plate 201.

[0098] The clamping force of the limiting clamp 2031 and the vertical part 2021a on the fixed base plate 201 achieves the position locking of the anti-tilting limiting angle code 202.

[0099] (3) Dynamic stability mechanism

[0100] After the mattress support 3 is placed in the horizontal part 2021b of the corner bracket, its possible warping tendency will be constrained by the anti-warping component 2022 (such as the transverse screw 2022a or the inverted L-shaped limit component 2022d), while the clamping state of the adjustable mechanism maintains the overall height stability, forming a double anti-deformation guarantee.

[0101] Furthermore, the vertical strip groove 2011 has a rack portion 2012 on its groove wall, and the adjusting bolt 2032 is fixed with a gear portion 2032a that meshes with the rack portion 2012. When the adjusting bolt 2032 is turned, the gear portion 2032a rotates with the adjusting bolt 2032, thereby causing the anti-tilting limiting angle code 202 to move up and down along the rack portion 2012 tooth by tooth, which greatly improves the accuracy and stability of the up and down adjustment and solves the positioning ambiguity problem of traditional slotted hole mechanisms.

[0102] Based on Embodiment 1, features not explained in this embodiment are explained using the methods described in Embodiment 1, and will not be repeated here. In addition to the beneficial effects described in Embodiment 1, the anti-warping limiting angle bracket 202 and bed frame provided in this embodiment also have the following advantages:

[0103] ① Height adjustable design: The anti-warping limiting angle code 202 can be adjusted up and down by the vertical strip groove 2011 on the fixed base plate 201 and the clamping limiting component 203, so as to adapt to the installation height requirements of different mattress support components 3.

[0104] ② Precise positioning and locking: The adjusting bolt 2032 and the limiting clamp 2031 work together to clamp and fix the base plate 201, ensuring that the anti-tilting limiting angle code 202 is stably fixed at the target height, and avoiding loosening or displacement during use.

[0105] ③ Rack and pinion fine adjustment: The rack part 2012 of the vertical strip groove 2011 meshes with the gear part 2032a of the adjusting bolt 2032 to achieve precise adjustment tooth by tooth, solving the positioning ambiguity problem of traditional slot-hole mechanism.

[0106] Finally, it should be noted that although the above embodiments have been described in the text and drawings of this application, this should not limit the scope of patent protection of this application. Any technical solutions that are based on the essential concept of this application and utilize the content described in the text and drawings of this application, resulting in equivalent structural or procedural substitutions or modifications, as well as the direct or indirect application of the technical solutions of the above embodiments to other related technical fields, are all included within the scope of patent protection of this application.

Claims

1. A type of anti-warping limiting angle code, characterized in that, include: The corner bracket body (2021) includes a vertical part (2021a) and a horizontal part (2021b) for supporting the mattress support member (3) and fixed to the bottom of the vertical part (2021a). Anti-warping component (2022), which is fixed to the vertical part (2021a) or the horizontal part (2021b) and extends away from the vertical part (2021a) to cooperate with the horizontal part (2021b) to restrict the up and down displacement of the mattress support (3).

2. The anti-warping limiting angle code according to claim 1, characterized in that, The anti-warping component (2022) includes: A transverse screw (2022a) is fixed at one end to the vertical part (2021a) and the other end protrudes above the mattress support (3) or into the side hole of the mattress support (3). An outer limiting nut (2022b) is threaded to one end of the transverse screw (2022a) away from the vertical part (2021a) to restrict the transverse screw (2022a) from disengaging from the side perforation of the mattress support (3); An inner limiting nut (2022c) is threaded to one end of the transverse screw (2022a) near the vertical part (2021a) to limit the mattress support (3) from abutting the vertical part (2021a).

3. The anti-warping limiting angle code according to claim 2, characterized in that, The vertical part (2021a) is provided with a threaded hole for the through screw (2022a) to be screwed in. The through screw (2022a) is threaded into the threaded hole and welded to the vertical part (2021a).

4. The anti-warping limiting angle code according to claim 1, characterized in that, The anti-warping component (2022) includes: An inverted L-shaped limiting member (2022d) is fixed to the transverse portion (2021b) and cooperates with the transverse portion (2021b) to form a side-opening slot (2023). The opening of the side opening slot (2023) faces away from the vertical part (2021a) so that the mattress support (3) can be inserted in the horizontal direction.

5. The anti-warping limiting angle code according to claim 1, characterized in that, The vertical part (2021a) is provided with a mounting hole (2021c) for the mounting screw to pass through, and the mounting hole (2021c) is higher than the anti-prying member (2022).

6. An adjustable corner code mechanism, characterized in that, include: A fixed base plate (201) is provided with a vertical strip groove (2011); The anti-warping limiting angle code (202) according to any one of claims 1-5; A clamping and limiting component (203) passes through the anti-tilting limiting bracket (202) and the vertical strip groove (2011); wherein the clamping and limiting component (203) has a loosened state in which the anti-tilting limiting bracket (202) slides up and down along the vertical strip groove (2011) after the fixed base plate (201) is released, and a clamped state in which the fixed base plate (201) is clamped to limit the up and down movement of the anti-tilting limiting bracket (202).

7. The adjustable corner code mechanism according to claim 6, characterized in that, The clamping and limiting component (203) includes: A limiting clamp (2031) is located on the side of the vertical strip groove (2011) away from the anti-tilting limiting angle bracket (202); The adjusting bolt (2032) passes through the vertical part (2021a) and the vertical strip groove (2011) in sequence from the side of the vertical part (2021a) away from the fixed base plate (201) and is then threaded to the limiting clamp (2031).

8. The adjustable corner code mechanism according to claim 7, characterized in that, The vertical strip groove (2011) is provided with a vertical sliding groove (2013) on the side away from the anti-tilting limiting angle code (202) for the limiting clamp plate (2031) to slide up and down. The vertical slide groove (2013) is used to restrict the limiting clamp (2031) from rotating with the adjusting bolt (2032).

9. The adjustable corner code mechanism according to claim 7, characterized in that, The vertical strip groove (2011) has a rack portion (2012) on its groove wall, and the adjusting bolt (2032) is fixed with a gear portion (2032a) that meshes with the rack portion (2012).

10. A bed frame, characterized in that, It includes a bed frame (1), an anti-warping limiting corner bracket (202) installed on the inner wall of the bed frame (1) as described in any one of claims 1-4 or an adjustable corner bracket mechanism (2) as described in any one of claims 5-9, and a mattress support member (3) disposed on each of the anti-warping limiting corner brackets (202).

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