Bed frame

Abstract

The utility model relates to a bed frame. A backrest of an existing bedstead cannot be adjusted in a sliding mode, and use experience is poor. The chair comprises a base and a backrest, a guide rail is arranged on the periphery of the base, and a sliding assembly is arranged at the bottom of the backrest so that the backrest can be adjusted in a sliding mode along the guide rail through the sliding assembly. The backrest is installed on the periphery of the base through the sliding assembly, the backrest can slide along the periphery of the base and is used for a user to lean on, the using flexibility of the backrest is effectively improved, and the using experience is improved. The guide rails are arranged on the periphery of the base, so that the backrest is supported and positioned, effective leaning support is provided for use, the backrest is guided to slide along a preset path, and a user can conveniently adjust the position of the backrest.

Description

Technical Field

[0001] The utility model relates to the field of bedding, in particular to a bed frame. Background Art

[0002] Existing bed frames consist of a base and a backrest. The base supports the mattress and provides comfortable support for the user, while the backrest is located at the front edge of the base to provide support for the user. However, the backrest is fixed to the front edge of the base, so the user can only lean on it when sitting in front of the base. The backrest cannot be adjusted according to the user's position, which affects the user experience. Utility Model Content

[0003] In order to address the deficiencies of the prior art, the present invention provides a bed frame, in which the backrest is slidably mounted on the periphery of the base through a sliding assembly, making it convenient for the user to adjust the backrest position as needed, thereby providing the user with a comfortable leaning position and improving the user experience.

[0004] The utility model is realized in the following manner: a bed frame, comprising a base and a backrest, wherein the periphery of the base is provided with a guide rail, and the bottom of the backrest is provided with a sliding assembly, so that the backrest can be slid and adjusted along the guide rail by the sliding assembly. The backrest is mounted on the periphery of the base via the sliding assembly, and the backrest can slide along the periphery of the base and be leaned on by the user, effectively improving the flexibility of the backrest and enhancing the user experience. The guide rail is provided on the periphery of the base, which not only supports and positions the backrest, providing effective leaning support for use, but also guides the backrest to slide along a preset path, making it convenient for the user to adjust the backrest position.

[0005] Preferably, the backrest comprises two sets, including a main backrest and a secondary backrest, and the secondary backrest is movably mounted on the base to enable the relative position of the main backrest and the secondary backrest to be variable. The variable relative position of the main backrest and the secondary backrest allows the bed frame to have a variety of configurations to meet the user's needs in different scenarios.

[0006] Preferably, the guide rails are shaped in vertical projection and are disposed on the side and rear edges of the base, with the primary backrest being fixedly attached to the front edge of the base. The guide rails are disposed on the rear edge and side edges of the base, allowing the secondary backrest to slide along the guide rails and adjust its relative position to the primary backrest. This effectively simplifies the structure and facilitates assembly, while also enabling adjustment of the relative position between the primary and secondary backrests to meet user needs.

[0007] Preferably, the guide rail has a vertical projection of a square and is disposed along the periphery of the base. The main backrest is slidably mounted on the guide rail via a sliding assembly. The guide rail is disposed around the periphery of the base, allowing both the main backrest and the auxiliary backrest to slide freely along the guide rail. The main backrest and the auxiliary backrest can be adjusted relative to each other through independent movement, effectively increasing the adjustment versatility and thereby enhancing the user experience.

[0008] Preferably, the main backrest and the auxiliary backrest are close together and can completely cover the front edge of the base. The sum of the lengths of the main backrest and the auxiliary backrest is greater than the length of the front edge of the base. This not only provides a continuous and flat leaning surface for the user, ensuring that the bed frame has the function of a common backrest and is convenient for the user to lean on, but also improves the aesthetics by completely covering the front edge of the base.

[0009] Preferably, the guide rail includes a straight section and an arc-shaped corner section spanning between the straight sections, and the backrest includes at least two unit bodies arranged in parallel, and the adjacent unit bodies are connected by hinges so that the unit bodies can slide over the corner section by relative swinging. The adjacent unit bodies can swing relative to each other, so that the backrest can switch between a straight state and an arc state by swinging between the adjacent unit bodies, thereby facilitating the smooth sliding of the backrest along the straight section and the corner section respectively. The adjacent unit bodies are connected by hinges, which not only ensures that the adjacent unit bodies are firmly connected, but also ensures that the adjacent unit bodies can swing relative to each other with the hinge axis as the center, so that the shape of the backrest can change synchronously with the shape of the guide rail along the way, thereby preventing jamming.

[0010] Preferably, the sliding assembly includes a pulley set and a U-shaped connecting arm, the outer end of the connecting arm is fitted and fixed to the bottom of the corresponding unit body, and the inner end is bent to form a sliding groove with a downward opening, and the connecting arm is tightly clamped on the guide rail through the pulley set set in the sliding groove, so that the connecting arm slides along the guide rail in a preset posture. The outer end of the U-shaped connecting arm is located outside the base and fixed to the unit body, and the inner end is located inside the base and fixed to the guide rail through the pulley set. The connecting arm not only serves to connect the unit body and the guide rail to prevent the unit body from detaching from the guide rail, but also ensures that the unit body slides along the guide rail in a specific posture. The pulley set is tightly clamped on the guide rail to prevent shaking between the connecting arm and the guide rail, thereby ensuring that the unit body maintains a preset posture and provides support for the user.

[0011] Preferably, the pulley assembly includes a load-bearing wheel and two symmetrically arranged guide wheels. The load-bearing wheel is disposed at the top of the chute and vertically overlaps the top surface of the guide rail. The guide wheels are disposed on either side of the chute and horizontally clamp the guide rail to enable the unit to slide along the guide rail. The load-bearing wheel vertically contacts the top surface of the guide rail to bear the weight of the backrest and connecting arm. The guide wheels horizontally clamp the guide rail, effectively maintaining the unit's posture while also effectively withstanding the user's leaning force, preventing the unit from deflecting and tipping due to horizontal thrust.

[0012] Preferably, the base includes an annular bed support, and an annular mounting cavity with a downward opening is provided in the bed support, the guide rail is hidden in the mounting cavity, and the connecting arm is suspended through the cavity opening and bridges between the backrest and the guide rail. The guide rail is hidden in the mounting cavity, and the connecting arm bridges the mounting cavity opening and bridges between the backrest and the guide rail. The bed support not only shields the guide rail to protect it, but also effectively improves the aesthetics by the close fit between the bed support and the backrest. The U-shaped connecting arm avoids the edge of the cavity opening through the groove in the middle, so that the connecting arm can pass through the cavity opening without contacting the bed support, which ensures that the unit body can slide along the guide rail and prevents the connecting arm from getting stuck due to interference with the bed support.

[0013] Preferably, the unit body is provided with an outer cover, with adjacent outer covers smoothly joined to form a resting surface. The bottom surface of the outer cover is provided with a cover opening for the sliding assembly to pass through. The peripheral contour of the cover opening matches the contour of the bed support, thereby leaving a clearance between the cover opening and the bed support. The outer cover is applied from top to bottom over the unit body through the cover opening, ensuring the elasticity of the unit body surface, enhancing resting comfort, and also providing a decorative effect on the unit body, enhancing its aesthetics. A clearance between the cover opening and the bed support is reserved to prevent wear between the outer cover and the bed support when the backrest slides.

[0014] Preferably, the outer edge of the guide rail forms an external guide portion connected to the pulley group, and the inner edge of the guide rail forms an internal fixing portion that is fitted and fixed to the inner wall of the installation cavity. The guide rail is connected to the pulley group through the external guide portion and is fixed to the bed support through the internal fixing portion, so that the backrest and the bed support are fixed through the guide rail, ensuring that the distance between the backrest and the bed support is fixed, preventing the backrest from being unable to slide due to interference with the bed support.

[0015] Preferably, the bottom surface of the guide rail is provided with supporting feet for supporting the base, and the guide rail is supported on the ground by the supporting feet. The weight of the backrest and the bed support is transferred to the supporting feet through the guide rail, effectively improving the supporting reliability of the base.

[0016] The beneficial effects of the present invention are as follows: the backrest is mounted on the periphery of the base through a sliding assembly, the backrest can slide along the periphery of the base and be used by the user to lean on, the user can move the backrest to any position on the periphery of the base as needed, so that the user can obtain leaning support when sitting on various areas of the base, effectively improving the flexibility of the backrest and enhancing the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of a partial cross-sectional structure of the bed frame;

[0018] Figure 2 is a schematic cross-sectional structural diagram of the bed frame;

[0019] Figure 3 Schematic diagram of the bed frame structure when the main backrest and the auxiliary backrest are separated;

[0020] Figure 4 Schematic diagram of the bed frame structure when the main backrest and the auxiliary backrest are closed together;

[0021] In the figure: 1. base, 2. sliding assembly, 3. guide rail, 4. main backrest, 5. auxiliary backrest, 6. unit body, 7. hinge, 8. slide groove, 9. connecting arm, 10. load-bearing wheel, 11. guide wheel, 12. bed support, 13. installation cavity, 14. external guide part, 15. internal fixing part, 16. support foot, 17. outer cover, 18. cover opening. DETAILED DESCRIPTION

[0022] The essential features of the present invention will be further described below with reference to the accompanying drawings and specific implementation methods.

[0023] like Figure 1 and 2 The bed frame shown includes a base 1 and a backrest. The base 1 is provided with guide rails 3 around its perimeter, and a sliding assembly 2 is provided at the bottom of the backrest, allowing the backrest to slide and adjust along the guide rails 3 via the sliding assembly 2. The backrest is mounted on the perimeter of the base 1 via the sliding assembly 2. The backrest can slide along the perimeter of the base 1 for the user to lean on. The user can move the backrest to any position around the perimeter of the base 1 as needed, providing convenient support when the user sits on various areas of the base 1, effectively increasing the backrest's flexibility and enhancing the user experience.

[0024] In actual operation, the position of the backrest can be adjusted according to the user's needs to meet the user's needs in different scenarios. When the user needs to sit in the front, back or side of the base 1, the backrest is slid along the guide rail 3 to the front edge, back edge or side edge of the base 1 (such as Figure 3 ), providing support for the user to lean on, thereby improving the user's sitting comfort.

[0025] In actual operation, the backrests are provided in two groups, and the relative positions of the backrests are variable. By providing multiple groups of backrests, corresponding leaning support can be provided for multiple users positioned in different areas of the base 1, effectively improving the user experience. In addition, in addition to providing leaning support for users, the backrests can also serve as guardrails to prevent children or objects from falling off the base 1, which should also be considered as specific embodiments of the present invention.

[0026] In actual operation, the backrest includes a main backrest 4 and a secondary backrest 5. The main backrest 4 and the secondary backrest 5 can be arranged on the base 1 through various structures, including but not limited to:

[0027] Structure 1, the vertical projection of the guide rail 3 is in a U shape and is arranged on the side edge and the rear edge of the base 1, and the main backrest 4 is fixedly connected to the front edge of the base 1. The main backrest 4 is fixedly connected to the side part of the front edge of the base 1, and the guide rail 3 is laid on the section of the periphery of the base 1 that is not blocked by the main backrest 4. The auxiliary backrest 5 can slide along the guide rail 3 and be adjusted independently, so as to adjust the relative position between the auxiliary backrest 5 and the main backrest 4. The auxiliary backrest 5 can not only be arranged in contact with the main backrest 4 and completely cover the front edge of the base 1, but also be separated from the main backrest 4 and be adjusted by sliding according to the usage requirements.

[0028] Structure 2, the vertical projection of the guide rail 3 is in a square shape and is arranged along the periphery of the base 1. The main backrest 4 is slidably installed on the guide rail 3 through a sliding component 2. The guide rail 3 is a closed-loop structure and is arranged around the periphery of the base 1. Both the main backrest 4 and the auxiliary backrest 5 can slide and be adjusted independently along the guide rail 3, so that the adjustment of the backrest has diversity and effectively meets the diverse usage requirements of users.

[0029] [[ID=**6**]]In actual operation, the main backrest 4 and the auxiliary backrest 5 approach each other and can completely cover the front edge of the base 1 (as Figure 4 shown), so that while the main backrest 4 and the rear backrest have the backrest structure in the existing bed frame, the function of adjustable position is added, effectively improving the usage experience. The sum of the lengths of the main backrest 4 and the auxiliary backrest 5 is not less than the length of the front edge of the base 1, ensuring that the front edge of the base 1 can be completely blocked after the main backrest 4 and the auxiliary backrest 5 are in contact connection, and ensuring the applicability and aesthetics of the backrest.

[0030] In actual operation, the guide rail 3 includes straight segments and arc-shaped corner segments bridging between the straight segments. The backrest includes at least two unit bodies 6 arranged side by side, and adjacent unit bodies 6 are connected by hinges 7 so that the unit bodies 6 can slide past the corner segments through relative swinging. The U-shaped guide rail 3 includes three straight segments and corner segments bridging between adjacent straight segments. The square-shaped guide rail 3 includes four straight segments and corner segments bridging between adjacent straight segments. The corner segments are arc-shaped, and the successively connected unit bodies 6 can form the shape of the corner segments through swinging and bending, so as to facilitate the backrest to cross the corner segments through bending, and further ensure that the backrest can slide freely along the guide rail 3 and provide leaning support for users. The diameter of the corner segments is greater than the diameter of the inscribed circle formed by the bending of the unit bodies 6, ensuring that the backrest can slide smoothly along the corner segments and transfer to the adjacent straight segments.

[0031] In actual operation, the sliding assembly 2 includes a pulley assembly and a U-shaped connecting arm 9. The outer end of the connecting arm 9 is affixed to the bottom of the corresponding unit body 6, and the inner end is bent to form a downward-opening sliding groove 8. The connecting arm 9 is tightly clamped to the guide rail 3 via the pulley assembly disposed in the sliding groove 8, so that the connecting arm 9 slides along the guide rail 3 in a predetermined posture. The U-shaped connecting wall can not only bridge between the unit body 6 and the guide rail 3 through its inner and outer ends, ensuring that the unit body 6 can slide along the predetermined path in a fixed posture, but also use its own contour to avoid the bed support 12, preventing wear and tear due to mutual interference between the unit body 6, the bed support 12, and the connecting arm 9.

[0032] In actual operation, the pulley assembly includes a load-bearing wheel 10 and two symmetrically arranged guide wheels 11. The load-bearing wheel 10 is arranged at the top of the chute 8 and vertically overlaps the top surface of the guide rail 3. The guide wheels 11 are arranged on both sides of the chute 8 and horizontally clamp the guide rail 3 to enable the unit body 6 to slide along the guide rail 3. The outer edge of the guide rail 3 forms an external guide portion 14 connected to the pulley assembly, and the inner edge of the guide rail 3 forms an internal fixing portion 15 that fits and fixes to the inner wall of the installation cavity 13. The load-bearing wheel 10 is installed at the top of the chute 8 via a horizontally arranged rotating shaft, and the guide wheels 11 are installed on the side of the chute 8 via a vertical rotating shaft. The load-bearing wheel 10 overlaps the top surface of the external guide portion 14 of the guide rail 3 from top to bottom, and the guide wheels 11 horizontally abut against the side walls of the external guide portion 14. The guide wheels 11 move towards each other and clamp the external guide portion 14, ensuring that the connecting arm 9 always maintains the preset posture and preventing the unit body 6 from tipping over. The guide rail 3 has good structural strength, ensuring that the relative positions of the connecting arm 9 and the bed support 12 are fixed, thereby preventing wear between the two.

[0033] In practice, the base 1 comprises an annular bed support 12, which defines a downwardly facing annular mounting cavity 13. The guide rail 3 is concealed within this cavity 13, and the sliding assembly 2 extends through the cavity, bridging the gap between the backrest and the guide rail 3. The bed support 12 not only supports the mattress but also shields the connecting arm 9 and the guide rail 3, thus enhancing the bed frame's aesthetics. An upwardly facing relief groove is defined in the middle of the connecting arm 9, and the edge of the relief groove is nestled within this groove, ensuring the relief close to the ground, effectively shielding the guide rail 3 and enhancing the aesthetics.

[0034] In actual operation, the units 6 are provided with outer covers 17. Adjacent outer covers 17 are smoothly joined to form a backrest surface. The bottom surface of the outer covers 17 is provided with a cover opening 18 for the sliding assembly 2 to pass through. The peripheral contour of the cover opening 18 matches the contour of the bed support 12, leaving a movable gap between the cover opening 18 and the bed support 12. The outer covers 17 are used to wrap around the units 6, without hindering the relative swinging of adjacent units 6, ensuring the flexibility of the backrest. When the backrest is switched to a straight state, they can form a flat backrest surface by interfering with each other.

[0035] In actual operation, the bottom surface of the guide rail 3 is provided with a support foot 16 for supporting the base 1. The guide rail 3 is erected on the ground through the support foot 16, thereby providing stable support for the connecting arm 9 and the bed support 12, ensuring that the base 1 has good pressure-bearing performance, and ensuring that the unit element, the connecting arm 9 and the bed support 12 do not contact each other, thereby ensuring smooth sliding of the backrest.

Claims

1. A bed frame comprising a base (1) and a backrest, characterized in that: A guide rail (3) is provided at the periphery of the base (1), and a sliding component (2) is provided at the bottom of the backrest, so that the backrest can slide and adjust along the guide rail (3) through the sliding component (2).

2. A bed frame according to claim 1, characterized in that: There are two groups of backrests, including a main backrest (4) and a sub-backrest (5). The sub-backrest (5) is movably installed on the base (1), so that the relative position between the main backrest (4) and the sub-backrest (5) can be changed.

3. A bed frame according to claim 2, characterized in that: The vertical projection of the guide rail (3) is in a U-shape and is provided at the side edge and the rear edge of the base (1), and the main backrest (4) is fixedly connected to the front edge of the base (1); or, the vertical projection of the guide rail (3) is in a square shape and is arranged along the periphery of the base (1), and the main backrest (4) is slidably installed on the guide rail (3) through the sliding component (2).

4. A bed frame according to claim 2, characterized in that: The main backrest (4) and the sub-backrest (5)靠拢 each other and can completely cover the front edge of the base (1).

5. A bed frame according to any one of claims 1 to 4, characterized in that: The guide rail (3) includes a straight segment and an arc-shaped corner segment bridging between the straight segments. The backrest includes at least two unit bodies (6) arranged side by side, and adjacent unit bodies (6) are connected by hinges (7), so that the unit bodies (6) can slide past the corner segment through relative swinging.

6. A bed frame according to claim 5, characterized in that: The sliding component (2) includes a pulley group and a U-shaped connecting arm (9). The outer end of the connecting arm (9) is fixedly connected in contact with the bottom of the corresponding unit body (6), and the inner end is bent to form a chute (8) with a downward opening. The connecting arm (9) is clamped on the guide rail (3) through the pulley group arranged in the chute (8), so that the connecting arm (9) slides along the guide rail (3) in a preset posture.

7. A bed frame according to claim 6, characterized in that: The pulley group includes a load-bearing wheel (10) and two symmetrically arranged guide wheels (11). The load-bearing wheel (1) is arranged at the top of the chute (8) and vertically overlaps on the top surface of the guide rail (3), and the guide wheels (11) are arranged on both sides of the chute (8) and horizontally clamp the guide rail (3), so that the unit body (6) slides along the guide rail (3).

8. The bed frame according to claim 6, characterized in that: The base (1) includes an annular bed support (12). An annular installation cavity (13) with a downward opening is provided in the bed support (12). The guide rail (3) is hidden in the installation cavity (13), and the connecting arm (9) passes through the cavity opening in a suspended manner and bridges between the backrest and the guide rail (3).

9. The bed frame according to claim 8, characterized in that: An outer cover (17) is provided on the unit body (6). Adjacent outer covers (17) are smoothly spliced to form a leaning surface. A cover opening (18) for the sliding component (2) to pass through is provided at the bottom surface of the outer cover (17). The peripheral contour of the cover opening (18) matches the contour of the bed support (12) to leave a movable gap between the cover opening (18) and the bed support (12).

10. The bed frame according to claim 8, characterized in that: An external guiding part (14) connected to the pulley group is formed on the outer edge of the guide rail (3); or, an internal fixing part (15) fixedly connected to the inner side wall of the installation cavity (13) is formed on the inner edge of the guide rail (3); or, feet (16) for supporting the base (1) are provided on the bottom surface of the guide rail (3).

Images