CN203987064U - A kind of folding bed - Google Patents

Abstract

The utility model discloses a folding bed, which comprises an upper frame, a bottom brace for supporting the upper frame, and a locking mechanism, wherein the upper frame includes a left rail and a right rail, and the bottom frame includes a left brace The rod is connected with the right brace, one end of the left brace, the right brace, the left brace and the right brace, and the folding bed also includes a left connecting rod whose one end is pivotally connected to the left brace The shaft is connected to the right connecting rod on the right surrounding rod, the other end of the left connecting rod is pivotally connected to the other end of the right connecting rod, the left connecting rod is slidably and rotatably arranged on the left supporting rod relative to the left supporting rod, The right connecting rod is slidably and rotatably arranged on the right supporting rod relative to the right supporting rod. When the folding bed is in the unfolded state, a triangular structure is formed between the upper frame, the left connecting rod and the right connecting rod; when the folding bed When being in the folded state, the left surrounding bar, the right surrounding bar, the left strut, the right strut, the left connecting rod and the right connecting rod move closer to each other. The folding bed has a simple structure, a small number of rods, and simple and convenient folding operation.

Description

a folding bed

technical field

The utility model relates to a folding bed.

Background technique

Folding beds in the prior art usually include an upper frame and a bottom frame for supporting the upper frame, wherein the upper frame includes a left frame and a right frame that are rotatably connected to each other, and the bottom frame usually includes Two bottom struts that intersect each other and are pivotally connected at the intersection can be connected by connecting the upper parts of the two bottom struts to the left and right surrounding frames respectively, and then setting them between the bottom support and the upper surrounding frame. The folded support assembly enables the bottom support frame to be unfolded and supported on the ground when the support assembly supports the support assembly, and at the same time, the upper frame is fixedly deployed on the bottom support frame. There are many such structural rods, and the volume after folding is often still relatively large.

Contents of the invention

The purpose of the utility model is to provide a folding bed with convenient folding operation and small volume after folding.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a folding bed, which has an unfolded state and a folded state, and the folding bed includes an upper frame, a bottom bracket for supporting the upper frame, and a A locking mechanism that locks the folding bed in an unfolded state, the upper frame includes a left and right surrounding rod, the bottom support includes a left and right supporting rod, and the left and right surrounding rods One end of the rod, the left support rod and the right support rod are rotatably connected, and the folding bed also includes a left connecting rod with one end pivotally connected to the left surrounding rod, and a right connecting rod with one end pivotally connected to the right surrounding rod. A connecting rod, the other end of the left connecting rod is pivotally connected to the other end of the right connecting rod, and the left connecting rod is slidably and rotatably arranged on the left supporting rod relative to the left supporting rod , the right connecting rod is slidably and rotatably arranged on the right supporting rod relative to the right supporting rod, when the folding bed is in the unfolded state, the upper frame, the left connecting rod, the A triangular structure is formed between the right connecting rods; The right connecting rods move closer to each other.

Preferably, when the folding bed is in the unfolded state, the left surrounding bar and the right surrounding bar are located in the same plane.

Preferably, the folding bed further includes a connecting piece, the right end of the left surrounding pole is rotatably connected to the left end of the connecting piece through a first shaft, and the left end of the right surrounding pole is rotatably connected to the connecting piece through a second shaft. The upper end of the left strut is rotatably connected to the connecting piece through a third shaft, and the upper end of the right strut is rotatably connected to the connecting piece through a fourth shaft.

Preferably, a first sliding member is pivotally connected to the left connecting rod, and the first sliding member is slidably provided on the left supporting rod along the length extension direction of the left supporting rod; the right connecting rod The upper pivot is connected with a second sliding member, and the second sliding member is provided on the right supporting rod so as to slide along the length extension direction of the right supporting rod.

Further, both the first sliding member and the second sliding member are sliding sleeves.

Further, the locking mechanism includes a first locking member arranged between the first sliding member and the left support bar for locking both, and a locking member provided between the second sliding member and the right support bar. The second locking piece between them is used to lock the two.

Furthermore, an unlocking handle for unlocking the first locking member and the second locking member is provided at the pivot joint between the left connecting rod and the right connecting rod.

Preferably, the left surrounding pole and the right surrounding pole both include two L-shaped poles, a frame connector connected between the two poles, and the ends of the two poles They are respectively pivotally connected to the surrounding frame connectors, and the U-shaped left surrounding rod or the right surrounding rod is formed between the two support rods and the surrounding frame connecting part; the left supporting rod 1. The right struts each include two L-shaped bottom bars and a chassis connector connected between the two bottom bars, and the ends of the two bottom bars are respectively pivotally connected to the bottom On the frame connecting piece, the left strut or the right strut is formed between the two bottom bars and the bottom frame connecting piece in a U-shape with the opening facing upward.

Further, when the left surrounding rod, the right surrounding rod, the left support rod, and the right support rod are close to each other, the two support rods can respectively rotate relative to the surrounding frame connector, and the two Each of the bottom bars can be rotated relative to the bottom frame connecting member, so that the left surrounding bar, the right surrounding bar, the left support bar, and the right support bar are folded along the front and rear directions of the folding bed.

Further, the two poles of the left surrounding pole are connected by a left surrounding frame connecting piece, the two poles of the right surrounding pole are connected by a right surrounding frame connecting piece, and the left surrounding pole is connected by a right surrounding frame connecting piece. The two bottom bars of the brace are connected by a left chassis connector, and the two bottom bars of the right brace are connected by a right chassis connector, wherein the left frame connector and The length of the left base frame connector is greater than or shorter than the corresponding right frame connector and right base frame connector.

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art: the folding bed of the utility model has a simple structure, a small number of rods, and the folding operation is simple and convenient. , The left support rod and the right support rod can be close together, the structure is compact, the space occupied is small, and it is convenient to carry and store.

Description of drawings

Accompanying drawing 1 is the perspective view that folding bed of the present invention is in unfolded state;

Accompanying drawing 2 is the front view of the folding bed of the present invention in the unfolded state;

Accompanying drawing 3 is the perspective view of the folding bed of the present invention in a half-folded state;

Accompanying drawing 4 is the three-dimensional view of folding bed of the utility model once;

Accompanying drawing 5 is the three-dimensional view of folding bed of the utility model after secondary folding;

Among them: 1. Left surrounding rod; 101. Left support rod; 102. Left surrounding frame connector;

2. Right surrounding rod; 201, right support rod; 202, right surrounding frame connector;

3. Left support rod; 301, left bottom rod; 302, left bottom frame connector;

4. Right support bar; 401, right bottom bar; 402, right bottom frame connector;

5. Left connecting rod; 6. Right connecting rod; 7. First sliding member; 8. Second sliding member; 9. Connecting member; 10. First shaft; 11. Second shaft; 12. Third shaft; 13 , the fourth axis; 14, unlock the handle;

Detailed ways

The technical solution of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

As shown in the accompanying drawings, the folding bed has an unfolded state and a folded state, which includes an upper frame, a bottom bracket for supporting the upper frame, and a locking mechanism for locking the folding bed in the unfolded state. Mechanism, the folding bed is a front-back symmetrical structure.

The upper surrounding frame includes a left surrounding rod 1, a right surrounding rod 2 whose left end is rotatably connected with the right end of the left surrounding rod 1, and the bottom support frame includes a left supporting rod 3 and a right supporting rod 4 whose upper ends are rotatably connected, and the upper surrounding frame is installed on The bottom bracket should make the left surrounding rod 1 rotatable relative to the left support rod 3 and the right surrounding rod 2 to be rotatably arranged relative to the right supporting rod 3 . Here, the upper frame and the bottom bracket are rotatably connected together through the connecting piece 9, as shown in Fig. 1 and Fig. The left end of the surrounding rod 2 is rotatably connected to the right end of the connector 9 through the second shaft 11, the upper end of the left strut 3 is rotatably connected to the connector 9 through the third shaft 12, and the upper end of the right strut 4 is rotated through the fourth shaft 13 Connected on the connector 9, the axes of the first axis 10, the second axis 11, the third axis 12, and the fourth axis 13 are parallel to each other and distributed along the front and rear directions of the folding bed. The first axis 10 and the second axis 11 is located above the third axis 12 and the fourth axis 13 .

The folding bed also includes a left connecting rod 5 and a right connecting rod 6, one end of the left connecting rod 5 is connected to the left surrounding rod 1 in rotation, one end of the right connecting rod 6 is connected to the right surrounding rod 2 in a rotating manner, and the left connecting rod The other end of 5 is pivotally connected with the other end of right connecting rod 6. The upper pivot of the left connecting rod 5 is connected with a first sliding member 7, and the first sliding member 7 is arranged on the left supporting rod 3 to slide up and down along the length extension direction of the left supporting rod 3; the upper connecting rod 6 is pivotally connected with The second sliding part 8 is arranged on the right supporting rod 4 slidingly up and down along the length extension direction of the right supporting rod 4, like this, on the left side of the folding bed, the left surrounding rod 1 and the left connecting rod 5 A triangular structure is formed between the left support bar 3; on the right side of the folding bed, another triangular structure is formed between the right surrounding bar 2, the right connecting rod 6 and the right support bar 4, and at the same time, when the folding bed is unfolded, The left surrounding bar 1 and the right surrounding bar 2 are located in the same plane, and a triangular structure is also formed between the upper surrounding frame and the left connecting rod 5 and the right connecting rod 6 .

The locking mechanism includes a first locking piece (not shown) which is arranged between the first sliding piece 7 and the left strut 3 for locking the two, and which is arranged between the second sliding piece 8 and the right strut 4. The second locking piece (not shown in the figure) used to lock the two, by locking the first locking piece with the second locking piece, the left connecting rod 5 can be fixedly supported on the left surrounding bar 1 and the left support bar 3, the right connecting rod 6 is fixedly supported between the right surrounding rod 2 and the right strut 4, while the left connecting rod 5 and the right connecting rod 6 are also supported between the left strut 3 and the right strut 4 so that The bottom brace is relatively unfolded, and in this way, the bottom brace and the upper frame are relatively unfolded so that the folding bed is in a stable unfolded state. In this embodiment, both the first sliding member 7 and the second sliding member 8 adopt sliding sleeves, and both the first locking member and the second locking member can adopt the matching form of a lock pin and a lock hole. Referring to the accompanying drawings, the pivot connection between the left link 5 and the right link 6 is also provided with an unlocking handle 14 for unlocking the first locking member and the second locking member, and the unlocking handle 14 is connected to the first locking member. A traction cable linkage can be used between the piece and the second locking piece.

Like this, pull unlocking handle 14, the first locking piece and the second locking piece just can be unlocked, also make left connecting rod 5 and right connecting rod 6 go down simultaneously, drive first sliding member 7 to slide down along left strut 3, second sliding Part 8 slides down along the right support rod 4, the left connecting rod 5 drives the left surrounding rod 1 to rotate closer relative to the left supporting rod 3, and the right connecting rod 6 drives the right surrounding rod 2 to rotate and move closer relative to the right supporting rod 4. At the same time, the left supporting rod 3 and The right struts 4 move relatively closer along the left and right directions, as shown in FIG. 3 . Finally, the left strut 3 and the right strut 4 are close together, the left surrounding pole 1 is close to the outside of the left strut 3, and the right surrounding pole 2 is close to the outside of the right strut 4, forming a structure as shown in Fig. 4 .

Of course, in the above structure, the first sliding member 7 can also be slidably arranged on the left connecting rod 5 along the length extension direction of the left connecting rod 5 and pivotally connected to the left strut 3, while the second sliding member 7 can also be Slidingly arranged on the right connecting rod 6 along the length extension direction of the right connecting rod 6 and pivotally connected to the right strut 4, when the first sliding part 7 and the second sliding part 8 are locked, the folding bed can also be made It is in a stable unfolded state, but it often affects the setting of each bar on the folding bed because the travel of the left link 5 and the right link 6 is limited when setting, and the installation of each bar is cumbersome.

In order to further reduce the folded volume of the folding bed, in this embodiment, the folding bed can be folded along the front and rear directions. Referring to the drawings, the left surrounding rod 1 includes two L-shaped left supporting rods 101, a left surrounding frame connector 102 connected between the two left supporting rods 101, and the ends of the two left supporting rods 101 are respectively The pivot is connected to the left frame connector 102, so that a U-shaped left frame rod 1 with an opening facing right is formed between the two left struts 101 and the left frame connector 102; the right frame rod 2 includes two L-shaped The right strut 201, the right frame connector 202 connected between the two right struts 201, the ends of the two right struts 201 are respectively pivotally connected to the right frame connector 202, so that the two right struts 201 and the right frame connector 202 form a U-shaped right wall bar 2 with an opening facing left; similarly, the left support bar 3 includes two L-shaped left bottom bars 301 connected to the two left bottom bars 301 Between the left bottom frame connector 302, the ends of the two left bottom rods 301 are respectively pivotally connected to the left bottom frame connector 302, and an opening is formed between the two left bottom rods 301 and the left bottom frame connector 302 Upward U-shaped left strut 3; the right strut 4 includes two L-shaped right bottom bars 401, a right bottom frame connector 402 connected between the two right bottom bars 401, two right bottom The ends of the rods 401 are respectively pivotally connected to the right bottom frame connector 402, and the U-shaped right strut 4 with the opening facing upward is formed between the two right bottom rods 401 and the right bottom frame connector 402.

The above-mentioned left frame connector 102, right frame connector 202, left underframe connector 302, and right underframe connector 402 are all H-shaped in section, and the left frame connector 102 on the left is connected to the left underframe. The length of the piece 302 is greater than or less than the corresponding right frame connecting piece 202 and right chassis connecting piece 402 on the right side, when the left surrounding bar 1, the right surrounding bar 2, the left support bar 3 and the right support bar 4 are connected to each other After getting close to the state shown in Figure 4, rotate it in the direction of arrow A in Figure 4, the two left poles 101 of the left surrounding pole 1, the two right poles 201 of the right surrounding pole 2, and the two left bottoms of the left pole 3 The rod 301 and the two right bottom rods 401 of the right support rod 4 are all folded towards each other, so that the folding bed is folded along the front and rear directions, finally forming a state as shown in FIG. 5 .

To sum up, when the folding bed of this embodiment is locked, as shown in Figure 1 and Figure 2, the left link 5 and the right link 6 are fixedly supported between the upper frame and the bottom bracket, and the left link A triangular structure is formed between the rod 5, the right connecting rod 6 and the upper frame so that the folding bed is in a stable unfolded state. When the folding bed needs to be folded up, as shown in Figure 3, the unlocking handle 14 is first pulled, so that the first sliding part 7 and the second sliding part 8 slide down gradually along the left strut 3 and the right strut 4 respectively, and the left connecting The rod 5 drives the left surrounding rod 1 to gradually move closer to the left supporting rod 3, and the right connecting rod 6 drives the right surrounding rod 2 to gradually move closer to the right supporting rod 4. The left surrounding pole 1, the right surrounding pole 2, the left supporting pole 3 and the right supporting pole 4 are close to each other, as shown in Figure 4, a folding is completed at this time; then the folding bed is moved along the direction of the arrow A in Figure 4 Rotate, so that the left surrounding bar 1, right surrounding bar 2, left support bar 3, and right support bar 4 are folded synchronously along the front and rear directions on the folding bed, so that the folding bed is folded along the front and rear directions to form the folding structure shown in Figure 5, which is Secondary folding, after the above-mentioned secondary folding of the folding bed, its structure is more compact, its volume is further reduced, it takes up very little space, and it is easy to carry and store.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (10)

1. A foldable bed having an unfolded state and a folded state, the foldable bed comprising an upper frame, a bottom brace for supporting the upper frame, a locking mechanism for locking the foldable bed in the unfolded state The mechanism is characterized in that: the upper frame includes a left fence rod and a right fence rod, the bottom brace includes a left brace rod and a right brace rod, and the left fence rod, right fence rod, left brace rod and right brace One end of the rod is rotatably connected, and the folding bed also includes a left connecting rod with one end pivotally connected to the left surrounding rod, a right connecting rod with one end pivotally connected to the right surrounding rod, and the left connecting rod The other end of the connecting rod is pivotally connected with the other end of the right connecting rod, the left connecting rod is slidably and rotatably arranged on the left supporting rod relative to the left supporting rod, and the right connecting rod is relatively arranged on the left supporting rod. The right strut is slidably and rotatably arranged on the right strut. When the folding bed is in the unfolded state, the upper frame, the left connecting rod, and the right connecting rod form a triangle Structure; when the folding bed is in the folded state, the left surrounding rod, the right surrounding rod, the left support rod, the right support rod, the left connecting rod and the right connecting rod are close to each other. 2 . The folding bed according to claim 1 , wherein when the folding bed is in an unfolded state, the left surrounding bar and the right surrounding bar are located in the same plane. 3 . 3. A folding bed according to claim 1, characterized in that: the folding bed further comprises a connecting piece, the right end of the left surrounding rod is connected to the left end of the connecting piece through a first shaft rotation, the The left end of the right surrounding rod is rotatably connected to the right end of the connector through the second shaft, the upper end of the left brace is rotatably connected to the connector through the third shaft, and the upper end of the right brace is connected to the connector through the fourth shaft. rotatably connected to the connector. 4. The folding bed according to claim 1, wherein a first sliding member is pivotally connected to the left connecting rod, and the first sliding member slides along the extending direction of the length of the left support rod ground on the left strut; the right connecting rod is pivotally connected with a second slider, and the second slider is slidably arranged on the right strut along the length extension direction of the right strut superior. 5. A folding bed according to claim 4, characterized in that: the first sliding part and the second sliding part are sliding sleeves. 6 . The folding bed according to claim 4 , wherein the locking mechanism includes a first locking member arranged between the first sliding member and the left stay for locking both of them. . A second locking piece disposed between the second sliding piece and the right strut for locking the two. 7. A folding bed according to claim 6, characterized in that: the pivot joint between the left link and the right link is provided with a locking mechanism for locking the first locking member and the second locking member. The unlocking handle for unlocking the two locking pieces. 8. A folding bed according to claim 1, characterized in that: the left surrounding rod and the right surrounding rod both include two L-shaped poles connected between the two poles The frame connectors, the ends of the two poles are respectively pivotally connected to the frame connectors, and a U-shape is formed between the two poles and the frame connectors. The left surrounding rod or the right surrounding rod; the left supporting rod and the right supporting rod both include two L-shaped bottom rods, a chassis connector connected between the two bottom rods, and two The ends of the bottom rods are respectively pivotally connected to the bottom frame connectors, and the left brace or the left brace with an upward U-shaped opening is formed between the two bottom rods and the bottom frame connectors. Describe the right strut. 9. A folding bed according to claim 8, characterized in that: when the left surrounding bar, the right surrounding bar, the left support bar, and the right support bar are close to each other, the two The poles are respectively rotatable relative to the frame connectors, and the two bottom rods are respectively rotatable relative to the chassis connectors, so that the left surrounding rod, the right surrounding rod, the left support rod, The right support bar is folded along the front and rear directions of the folding bed. 10. A folding bed according to claim 8, characterized in that: the two poles of the left surrounding pole are connected by a left surrounding frame connecting piece, and the two said right surrounding poles The struts are connected by the right frame connector, the two bottom rods of the left brace are connected by the left chassis connector, and the two bottom rods of the right brace are connected by the right The bottom frame connectors are connected, wherein the lengths of the left frame connectors and the left frame connectors are longer than or shorter than the corresponding right frame connectors and right frame connectors.