Folding bed

Abstract

The utility model discloses a folding bed which comprises a first bottom plate and a second bottom plate, the first bottom plate and the second bottom plate are connected through a hinge rod, and two first longitudinal beams which are symmetrically distributed are connected between a first hinge seat and a middle hinge seat. Two second longitudinal beams which are symmetrically distributed are connected between the second hinge seat and the middle hinge seat, a first base is fixed on the bottom surface of the first longitudinal beam, a second base is fixed at the lower end of the second longitudinal beam, and the bottom surfaces of the first base and the second base are both lower than the bottom surfaces of the rollers. A first base is welded to the first longitudinal beam, a second base is welded to the second longitudinal beam, the first base, the second base and the middle supporting legs are used for supporting the unfolded folding bed, the idler wheels are made to be in the air, the situation that the folding bed slides due to the idler wheels in the unfolded state is avoided, and when the folding bed is folded, the idler wheels are used for supporting the folding bed. And the folding bed is convenient to move.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of folding bed, concretely is a folding bed. BACKGROUND

[0002] The existing folding bed, in order to facilitate the movement of folding bed, generally sets up the roller at the bottom of folding bed, and when folding bed is unfolded and laid, also provides support through the roller, which leads to the situation that folding bed is easy to slip under the action of the roller, therefore, the folding bed is designed, makes the roller in the empty state after unfolding, improves the stability of the unfolded folding bed, and when folding, the folding bed can be supported by the roller, which is convenient for moving the folding bed. SUMMARY

[0003] The utility model discloses a folding bed, through setting up the middle support leg, the first base welded on the first longitudinal beam, the second base welded on the second longitudinal beam, use first base, second base and middle support leg to support the unfolded folding bed, make the roller empty, avoid the sliding of folding bed under the condition of unfolding because of the roller.

[0004] The utility model provides the following technical scheme: a folding bed, first bottom plate and second bottom plate are connected through hinged link, both ends of hinged link are connected on the side of first bottom plate and second bottom plate through pin shaft, its characterized in that: the both sides of the proximal end of first bottom plate are hinged with first support leg through pin shaft, first support leg is connected with first crossbeam between first support leg, the lower end of first support leg is connected with the roller through bearing, the both sides of the proximal end of second bottom plate are also hinged with second support leg through pin shaft, second support leg is connected with second crossbeam between second support leg, the lower end of second support leg is connected with the roller through bearing, the both inner walls of another proximal end of second bottom plate are hinged with middle support leg through pin shaft, middle support leg is connected with middle crossbeam between middle support leg, the bottom surface of middle support leg is lower than the bottom surface of the roller.

[0005] The side of first crossbeam is formed with first hinged seat, the both sides of middle crossbeam are formed with middle hinged seat, the side of second crossbeam is formed with second hinged seat, first hinged seat and middle hinged seat are connected with the symmetry distribution of two first longitudinal beams between first hinged seat and middle hinged seat, second hinged seat and middle hinged seat are connected with the symmetry distribution of two second longitudinal beams between second hinged seat and middle hinged seat, the bottom surface of first longitudinal beam is fixed with first base, the lower end of second longitudinal beam is fixed with second base, the bottom surface of first base and second base is lower than the bottom surface of the roller, when folding bed is laid, the roller is in the empty state.

[0006] In order to replace the support of the first support leg and the second support leg lower end rollers, the first base is located on the side close to the first support leg, and the second base is located on the side close to the second support leg.

[0007] In order to make the folding bed move more smoothly, a support beam is formed on the side of the second cross beam towards the inside of the folding bed, and a roller is connected to the lower end of the support beam through a bearing.

[0008] In order to adjust the angle of the backrest, a waist pad is fixed on the first bottom plate, a backrest plate is hinged on one side of the waist pad, the backrest plate is located on the first bottom plate, an electric push rod is fixed on the bottom surface of the first bottom plate, a connecting plate is fixed on the lower end of the backrest plate, the lower end of the connecting plate is connected with the electric push rod, and the electric push rod can drive the backrest plate to swing through expansion and contraction.

[0009] In order to support the legs, a base plate is hinged on the second bottom plate, a leg pad is hinged on one side of the base plate, the leg pad is connected with the second bottom plate through a connecting rod, a buckle plate is connected to the lower end of the leg pad, a lock slot is formed in the buckle plate, a lock buckle is embedded in the lock slot, and the lock buckle is connected with the electric push rod through a pull wire.

[0010] In order to adjust the angle of the leg pad, the lock slot comprises a sliding slot and first and second positioning slots respectively formed on both sides of the sliding slot, when the lock buckle is located in the second positioning slot, the expansion and contraction of the electric push rod can drive the leg pad to swing, and when the lock buckle is located in the first positioning slot, the expansion and contraction of the electric push rod cannot make the leg pad swing.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] (1) By setting the middle support leg, the first base welded on the first longitudinal beam and the second base welded on the second longitudinal beam, the first base, the second base and the middle support leg are used for supporting the unfolded folding bed, so that the rollers are empty, the sliding of the folding bed in the unfolded state due to the rollers is avoided, when the folding bed is folded, the folding bed is supported by the rollers at the lower ends of the first support leg and the second support leg, and the folding folding bed is conveniently moved;

[0013] (2) By fixing the electric push rod at the lower end of the first bottom plate, the expansion and contraction of the electric push rod drives the connecting plate to rotate, drives the backrest plate to overturn by a certain angle, conveniently supports the back, at the same time, the lock buckle is fixed in the buckle plate, the electric push rod is retracted at the same time, the pull wire pulls the leg pad to a certain angle, and at the same time drives the base plate to be tilted, so that the legs are conveniently placed on the base plate and the leg pad. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0015] Figure 1 is a perspective view of the overall structure in the use state of the present application;

[0016] Figure 2 is a side view of the overall structure in the use state of the present application;

[0017] Figure 3 is a bottom view of the overall structure of the present application;

[0018] Figure 4 is a perspective view of the overall structure in the flat state of the present application;

[0019] Figure 5 is a structural schematic view of the buckle plate of the present application;

[0020] Figure 6 is a schematic view of the folding state of the present application;

[0021] In the drawings: 1, first bottom plate; 11, backrest plate; 12, waist cushion plate; 13, connecting plate; 14, electric push rod; 2, hinged rod; 3, second bottom plate; 31, leg cushion plate; 311, buckle plate; 312, lock slot; 3121, first positioning slot; 3122, second positioning slot; 3123, sliding slot; 313, lock buckle; 32, base plate; 4, first supporting leg; 41, first cross beam; 42, first hinged seat; 43, first longitudinal beam; 44, first base; 5, middle supporting leg; 51, middle cross beam; 52, middle hinged seat; 6, second supporting leg; 61, second cross beam; 62, second hinged seat; 63, second longitudinal beam; 64, second base; 65, supporting beam; 7, roller. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1 to 4The utility model provides technical scheme: a folding bed, including first bottom plate 1 and second bottom plate 3, first bottom plate 1 and second bottom plate 3 are connected through hinged link 2, both ends of hinged link 2 are connected on the side of first bottom plate 1 and second bottom plate 3 through pin shaft, and the both sides of the end of first bottom plate 1 are hinged with first support leg 4 through pin shaft, and first support leg 4 is connected with first crossbeam 41 between, and first crossbeam 41 makes the synchronous rotation of both sides first support leg 4, improves the support of folding bed, makes folding bed more stable, and the lower end of first support leg 4 is connected with gyro wheel 7 through bearing, and the folding bed is moved conveniently when folding through gyro wheel 7, and the both sides of the end of second bottom plate 3 are also hinged with second support leg 6 through pin shaft, and second support leg 6 is connected with second crossbeam 61 between, and the lower end of second support leg 6 is connected with gyro wheel 7 through bearing, and second crossbeam 61 also makes the synchronous rotation of both sides second support leg 6, improves the support of folding bed, guarantees the stability of folding bed, and the both sides of the end of second bottom plate 3 are hinged with intermediate support leg 5 through pin shaft, and intermediate support leg 5 is connected with intermediate crossbeam 51 between, and the bottom surface of intermediate support leg 5 is lower than the bottom surface of gyro wheel 7, and intermediate support leg 5 is used for supporting folding bed when folding bed is placed, and the bottom surface of intermediate support leg 5 is lower than the bottom surface of gyro wheel 7, so that after folding bed is completely unfolded, intermediate support leg 5 can provide support for folding bed, avoids the sliding of unfolded folding bed under the action of gyro wheel 7;

[0024] The side of first crossbeam 41 is formed with first hinged seat 42, and the both sides of intermediate crossbeam 51 are formed with intermediate hinged seat 52, and the side of second crossbeam 61 is formed with second hinged seat 62, and the both sides of first hinged seat 42 and intermediate hinged seat 52 are connected with two first vertical beams 43 of symmetry distribution, and the both sides of second hinged seat 62 and intermediate hinged seat 52 are connected with two second vertical beams 63 of symmetry distribution, and the rigidity between first crossbeam 41 and intermediate crossbeam 51 is improved through first vertical beam 43, and the rigidity between second crossbeam 61 and intermediate crossbeam 51 is improved through second vertical beam 63, so that the rigidity of folding bed is better, avoids the torsion of both sides of folding bed, improves the carrying capacity of folding bed, and the bottom surface of first vertical beam 43 is fixed with first base 44, and the lower end of second vertical beam 63 is fixed with second base 64, and the bottom surface of first base 44 and second base 64 is lower than the bottom surface of gyro wheel 7, and when folding bed is placed, gyro wheel 7 is in the empty state, and first base 44 and second base 64 further support unfolded folding bed, avoid the sliding of folding bed under the action of gyro wheel 7, as shown in the figure, Figure 6 When folding bed is folded, first bottom plate 1 and second bottom plate 3 are folded under the action of hinged link 2, first base 44 is turned over along with first vertical beam 43, second base 64 is turned over along with second vertical beam 63, and the gyro wheel 7 of first support leg 4 lower end and the gyro wheel 7 of second support leg 6 lower end can support folded folding bed, which is convenient to move folding bed.

[0025] As Figure 2 shown, the first base 44 is located near the first leg 4 side, the second base 64 is located near the second leg 6 side, through the support of the first base 44, the first leg 4 roller 7 is in the state of empty, through the support of the second base 64, the second leg 6 roller 7 is in the state of empty, to ensure the stability of the folding bed unfolded.

[0026] The side of the second cross beam 61 is shaped to the inside of the folding bed, and the support beam 65 is connected with the roller 7 through the bearing at the lower end of the support beam 65. The support beam 65 and the roller 7 guide the rolling of the second cross beam 61, improve the sliding ability of the folding bed after folding, and make the folding bed move more smoothly.

[0027] As Figure 1 and 2 shown, the first base plate 1 is welded and fixed with a waist cushion plate 12, one side of the waist cushion plate 12 is hinged with a backrest plate 11, the backrest plate 11 is located on the first base plate 1, the bottom surface of the first base plate 1 is fixed with an electric push rod 14, the lower end of the backrest plate 11 is fixed with a connecting plate 13, the lower end of the connecting plate 13 is connected with the electric push rod 14, the extension and retraction of the electric push rod 14 can drive the backrest plate 11 to swing, the position of the lower end of the connecting plate 13 is controlled through the extension and retraction of the electric push rod 14, the bottom of the backrest plate 11 swings under the action of the connecting plate 13, so as to adjust the angle of the backrest plate 11, and conveniently meet the use demand of different sitting postures.

[0028] The second base plate 3 is hinged with a base plate 32, one side of the base plate 32 is hinged with a leg cushion plate 31, the leg cushion plate 31 is connected with the second base plate 3 through a connecting rod, the lower end of the leg cushion plate 31 is connected with a buckle plate 311, a lock groove 312 is formed in the buckle plate 311, a lock buckle 313 is embedded in the lock groove 312, the lock buckle 313 is connected with the electric push rod 14 through a pull wire, when the lock buckle 313 is embedded in one end of the lock groove 312, the pull wire is in tension state, the retraction of the electric push rod 14 will drive the pull wire to retract, so that the pull wire pulls up the leg cushion plate 31, and the leg cushion plate 31 and the base plate 32 are lifted at the same time. Angle, so as to conveniently place the legs on the base plate 32 and the leg cushion plate 31, and meet the different sitting posture requirements. When the lock buckle 313 is embedded in the other end of the lock groove 312, the pull wire is in relaxation state, the retraction of the electric push rod 14 cannot tension the pull wire, so that the leg cushion plate 31 is always in horizontal state, and meet another sitting posture requirement.

[0029] As Figure 5As shown, the lock slot 312 comprises a sliding slot 3123 and a first positioning slot 3121 and a second positioning slot 3122 respectively arranged on both sides of the sliding slot 3123, when the lock catch 313 is located in the second positioning slot 3122, the extension and retraction of the electric push rod 14 can drive the leg pad plate 31 to swing, when the lock catch 313 is located in the first positioning slot 3121, the extension and retraction of the electric push rod 14 cannot make the leg pad plate 31 swing, the position of the lock catch 313 is positioned by the second positioning slot 3122 and the first positioning slot 3121, the tensioned or relaxed state of the pull wire is controlled, so that the angle of the leg pad plate 31 can be adjusted conveniently.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A folding bed, comprising a first base plate and a second base plate, the first base plate and the second base plate being connected by a hinge rod, the two ends of the hinge rod being connected to the sides of the first base plate and the second base plate by pins, characterized in that: First support legs are hinged to the two sides of the first base plate near its end by pins. A first crossbeam is connected between the first support legs. Rollers are connected to the lower ends of the first support legs by bearings. Second support legs are also hinged to the two sides of the second base plate near its end by pins. A second crossbeam is connected between the second support legs. Rollers are connected to the lower ends of the second support legs by bearings. Intermediate support legs are hinged to the two inner walls of the other end of the second base plate by pins. An intermediate crossbeam is connected between the intermediate support legs. The bottom surface of the intermediate support legs is lower than the bottom surface of the rollers. A first hinge seat is formed on the side of the first crossbeam, and a middle hinge seat is formed on both sides of the middle crossbeam. A second hinge seat is formed on the side of the second crossbeam. Two symmetrically distributed first longitudinal beams are connected between the first hinge seat and the middle hinge seat. Two symmetrically distributed second longitudinal beams are connected between the second hinge seat and the middle hinge seat. A first base is fixed on the bottom surface of the first longitudinal beam, and a second base is fixed at the lower end of the second longitudinal beam. The bottom surfaces of both the first base and the second base are lower than the bottom surface of the rollers. When the folding bed is laid flat, the rollers are in an airborne state.

2. A folding bed according to claim 1, characterized in that: The first base is located on the side closer to the first support leg, and the second base is located on the side closer to the second support leg.

3. A folding bed according to claim 1, characterized in that: The second crossbeam has a support beam formed on its side facing the inside of the folding bed, and the lower end of the support beam is connected to a roller via a bearing.

4. A folding bed according to claim 1, characterized in that: A lumbar support plate is fixed on the first base plate, and a backrest plate is hinged to one side of the lumbar support plate. The backrest plate is located on the first base plate, and an electric push rod is fixed on the bottom surface of the first base plate. A connecting plate is fixed to the lower end of the backrest plate, and the lower end of the connecting plate is connected to the electric push rod. The extension and retraction of the electric push rod can drive the backrest plate to swing.

5. A folding bed according to claim 4, characterized in that: A base plate is hinged to the second base plate, and a leg pad is hinged to one side of the base plate. The leg pad is connected to the second base plate by a connecting rod. A buckle plate is connected to the lower end of the leg pad. A locking groove is opened in the buckle plate, and a buckle is embedded in the locking groove. The buckle is connected to the electric push rod by a pull wire.

6. A folding bed according to claim 5, characterized in that: The locking groove includes a sliding groove and a first positioning groove and a second positioning groove respectively opened on both sides of the sliding groove. When the latch is located in the second positioning groove, the extension and retraction of the electric push rod can cause the leg pad to swing. When the latch is located in the first positioning groove, the extension and retraction of the electric push rod cannot cause the leg pad to swing.

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