Bed facilitating arrangement of bed sheet

Abstract

The invention discloses a bed convenient for arranging a bed sheet, the bed comprises a bedstead and a mattress placed above the bedstead, a lifting part for lifting the mattress is installed in the bedstead, the bottom of the mattress is provided with a U-shaped frame, the inner side of the U-shaped frame is provided with a first press-fit mechanism and a second press-fit mechanism for fixing the bed sheet, and the first press-fit mechanism and the second press-fit mechanism are connected with the bedstead. A positioning mechanism for positioning is arranged between the first press-fit mechanism and the second press-fit mechanism, and a push-back mechanism is arranged below the first press-fit mechanism; the first pressing mechanism comprises a first mounting frame, and the first mounting frame is slidably connected with the inner wall of the U-shaped frame. The bed sheet can be guaranteed not to be disordered through the pressing force of the first pressing rollers and the second pressing rollers, when the bed sheet is replaced, the first mounting frame is pressed downwards to be away from the positioning mechanism, the first pressing rollers are driven to rotate through the first elastic pieces and the first transmission pieces, the inside bed sheet is pushed out, physical strength can be effectively saved, and the bed sheet can be conveniently tidied.

Description

Technical Field

[0001] The invention belongs to the technical field of furniture, and in particular relates to a bed which is convenient for arranging bed sheets. Background Art

[0002] Bed is one of the indispensable furniture in life. As a place for people to rest, the cleanliness and tidiness of the bed has a great impact on our mood when we rest. In order to keep the bed clean and tidy, we often put sheets on the bed. The sheets can isolate the human body from the mattress to keep the mattress clean and tidy.

[0003] Nowadays, the excess parts of the sheets are pressed under the mattress, and the sheets are fixed by the downward pressure of the mattress. The downward pressure of the mattress alone cannot ensure that the sheets will not be messy, and the sheets still need to be tidied frequently. When tidying, the mattress needs to be lifted frequently, which is very physically demanding. Therefore, we propose a bed that is easy to tidy sheets. Summary of the invention

[0004] The present invention aims at solving the problems in the prior art and proposes the following technical solutions:

[0005] A bed convenient for arranging bed sheets, comprising a bed frame and a mattress placed on the bed frame, wherein a lifting member for lifting the mattress is installed inside the bed frame, a U-shaped frame is installed at the bottom of the mattress, a first pressing mechanism and a second pressing mechanism for fixing the bed sheets are arranged on the inner side of the U-shaped frame, a positioning mechanism is arranged between the first pressing mechanism and the second pressing mechanism, and a push-back mechanism is arranged below the first pressing mechanism;

[0006] The first pressing mechanism comprises a first mounting frame, the first mounting frame is slidably connected to the inner wall of the U-shaped frame, and the first mounting frame is rotatably connected to a plurality of first rotating shafts, a first transmission member is arranged between the plurality of first rotating shafts for synchronous rotation of the plurality of first rotating shafts, a first elastic member is arranged between the first transmission member and the first mounting frame, and a first pressing roller is arranged on the outer ring fixed sleeve of the first rotating shaft;

[0007] After the mattress is lifted by the lifting member, the bed sheet is inserted between the first pressing roller and the second pressing mechanism to be fixed. When the bed sheet is replaced, the first mounting frame is pressed down to keep it away from the positioning mechanism, and the first elastic member and the first transmission member drive the plurality of first pressing rollers to rotate, thereby pushing out the bed sheet inside.

[0008] As a preferred embodiment of the above technical solution, the first transmission member includes a first groove wheel fixed to the end of the first rotating shaft, and every two of the first groove wheels are connected to a first belt.

[0009] As a preferred embodiment of the above technical solution, the second pressing mechanism includes a second mounting frame fixed to the inner wall of the U-shaped frame, the second mounting frame is rotatably connected to a plurality of second rotating shafts, a second transmission member is arranged between the plurality of second rotating shafts for synchronous rotation of the plurality of second rotating shafts, a second elastic member is arranged between the second transmission member and the second mounting frame, and a second pressing roller is arranged on the outer ring fixed sleeve of the second rotating shaft.

[0010] As a preferred embodiment of the above technical solution, both the first elastic member and the second elastic member are torsion springs.

[0011] As a preferred embodiment of the above technical solution, the second transmission member includes a second sheave fixed to the end of the second rotating shaft, and every two of the second sheaves are connected to a second belt.

[0012] As a preferred embodiment of the above technical solution, the push-back mechanism includes a push-back plate fixedly connected to the first mounting frame, the inner ring movable sleeve of the push-back plate is provided with a guide slide rod, the end of the guide slide rod is fixedly connected to the U-shaped frame, and a third elastic member is installed between the push-back plate and the bottom of the U-shaped frame.

[0013] As a preferred embodiment of the above technical solution, the third elastic member is a spring.

[0014] As a preferred embodiment of the above technical solution, the positioning mechanism includes a rack, one side of the rack is fixedly connected to a slide seat, the slide seat is slidably connected to a slide bar, and the slide bar is fixed to the side wall of the U-shaped frame.

[0015] As a preferred embodiment of the above technical solution, one end of the slide bar is fixedly connected to a base, the base is fixedly connected to a positioning shaft, the end of the positioning shaft away from the base passes through the slide seat and is provided with a thread, and the threaded end of the positioning shaft is connected to a nut.

[0016] As a preferred embodiment of the above technical solution, an outer ring fixed sleeve of the first rotating shaft is provided with a first gear, and an outer ring fixed sleeve of the second rotating shaft is provided with a second gear, and the first gear and the second gear are respectively meshed with two sides of the rack.

[0017] The beneficial effects of the present invention are:

[0018] 1. The present invention can ensure that the bed sheets will not be messy through the pressing force of the first pressing roller and the second pressing roller. When changing the bed sheets, the first mounting frame is pressed down to keep it away from the positioning mechanism, and the first elastic member and the first transmission member drive the plurality of first pressing rollers to rotate, so that the bed sheets inside are pushed out, which can effectively save physical strength and facilitate the arrangement of the bed sheets;

[0019] 2. The present invention can limit the movement range of the rack to the middle position through the base and the nut, so that the rack will not fall off the slide bar during the movement, causing the rack to be directly separated from the C-shaped frame. If the rack needs to be disassembled, it is only necessary to rotate the nut through the thread engagement until it is separated from the base, and then the rack and the slide seat can be removed, which is convenient for replacing parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The structure diagram of a bed that is convenient for tidying up bed sheets in an embodiment is shown;

[0021] Figure 2 What is shown is a schematic diagram of the structure of the first pressing mechanism and the second pressing mechanism in the embodiment;

[0022] Figure 3 What is shown is a schematic diagram of the structure of the push-back mechanism in the embodiment;

[0023] Figure 4 Shown is a schematic structural diagram of a positioning mechanism in an embodiment.

[0024] Description of reference numerals:

[0025] 11. Bed frame; 12. Mattress; 13. Lifting member; 14. Pad; 21. C-shaped frame; 22. First pressing mechanism; 221. First mounting frame; 222. First rotating shaft; 223. First pressing roller; 224. First groove wheel; 225. First belt; 226. First gear; 227. First elastic member; 23. Second pressing mechanism; 231. Second mounting frame; 232. Second rotating shaft; 233. Second pressing roller; 234. Second groove wheel; 235. Second belt; 236. Second gear; 237. Second elastic member; 24. Push-back mechanism; 241. Push-back plate; 242. Guide slide bar; 243. Third elastic member; 25. Positioning mechanism; 251. Rack; 252. Slide seat; 253. Slide bar; 254. Base; 255. Positioning shaft; 256. Nut. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0027] Example

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a bed convenient for arranging bed sheets comprises a bed frame 11 and a mattress 12 placed on the bed frame 11, a lifting member 13 for lifting the mattress 12 is installed inside the bed frame 11, a U-shaped frame 21 is installed at the bottom of the mattress 12, a first pressing mechanism 22 and a second pressing mechanism 23 for fixing the bed sheets are arranged on the inner side of the U-shaped frame 21, a positioning mechanism 25 is arranged between the first pressing mechanism 22 and the second pressing mechanism 23, and a return mechanism 25 is arranged below the first pressing mechanism 22. The first pressing mechanism 22 includes a first mounting frame 221, the first mounting frame 221 is slidably connected to the inner wall of the U-shaped frame 21, and the first mounting frame 221 is rotatably connected to a plurality of first rotating shafts 222, a first transmission member is arranged between the plurality of first rotating shafts 222 for synchronous rotation of the plurality of first rotating shafts 222, a first elastic member 227 is arranged between the first transmission member and the first mounting frame 221, and a first pressing roller 223 is arranged on the outer ring fixed sleeve of the first rotating shaft 222;

[0029] Specifically, the lifting member 13 adopts but is not limited to the use of a cylinder. The mattress 12 can be automatically raised and lowered by the lifting member 13. A pad 14 is provided at the output end of the lifting member 13 to prevent damage to the mattress 12. When the mattress 12 is lifted, the bed sheet is stuffed between the first pressing roller 223 and the second pressing mechanism 23. The first pressing roller 223 and the second pressing mechanism 23 are pushed to fit tightly together by the push-back mechanism 24 to fix the bed sheet. When replacing the bed sheet, the first mounting frame 221 is pressed down to keep it away from the positioning mechanism 25. The first elastic member 227 and the first transmission member drive several first pressing rollers 223 to rotate and push out the bed sheet inside.

[0030] like Figure 2 As shown, the first transmission member includes a first sheave 224 fixed to the end of the first rotating shaft 222 , and every two first sheaves 224 are connected to a first belt 225 .

[0031] Specifically, when any one of the first rotating shafts 222 rotates, the other multiple first rotating shafts 222 will immediately rotate synchronously through the transmission cooperation between the first groove wheel 224 and the first belt 225 .

[0032] like Figure 2 As shown, the second pressing mechanism 23 includes a second mounting frame 231 fixed to the inner wall of the U-shaped frame 21, the second mounting frame 231 is rotatably connected to a plurality of second rotating shafts 232, a second transmission member is arranged between the plurality of second rotating shafts 232 for synchronous rotation of the plurality of second rotating shafts 232, a second elastic member 237 is arranged between the second transmission member and the second mounting frame 231, and a second pressing roller 233 is arranged on the outer ring fixed sleeve of the second rotating shaft 232.

[0033] like Figure 2 and Figure 3As shown, the second transmission member includes a second sheave 234 fixed to the end of the second rotating shaft 232 , and every two second sheaves 234 are connected to a second belt 235 .

[0034] It should be noted that the first elastic member 227 and the second elastic member 237 both use but are not limited to using torsion springs, and the two ends of the first elastic member 227 are respectively connected to the first mounting frame 221 and a first groove wheel 224, and the two ends of the second elastic member 237 are respectively connected to the second mounting frame 231 and a second groove wheel 234.

[0035] Specifically, when any one of the second rotating shafts 232 rotates, the other plurality of second rotating shafts 232 will immediately rotate synchronously through the transmission cooperation between the second grooved wheel 234 and the second belt 235 .

[0036] like Figure 3 As shown, the push-back mechanism 24 includes a push-back plate 241 fixedly connected to the first mounting frame 221, the inner ring of the push-back plate 241 is movably sleeved with a guide slide 242, the end of the guide slide 242 is fixedly connected to the U-shaped frame 21, and a third elastic member 243 is installed between the push-back plate 241 and the bottom of the U-shaped frame 21.

[0037] Specifically, the third elastic member 243 uses but is not limited to a spring. The third elastic member 243 pushes the push back plate 241 to move toward the side close to the second mounting frame 231, and then pushes the first pressing roller 223 and the second pressing roller 233 to engage with each other, firmly fixing the bed sheet therein.

[0038] like Figure 2 and Figure 4 As shown, the positioning mechanism 25 includes a rack 251 , one side of the rack 251 is fixedly connected to a slide 252 , the slide 252 is slidably connected to a slide bar 253 , the slide bar 253 is fixed on the side wall of the U-shaped frame 21 , and the rack 251 can move along the track of the slide bar 253 .

[0039] like Figure 4 As shown, one end of the slide bar 253 is fixedly connected to the base 254, and the base 254 is fixedly connected to the positioning shaft 255. The end of the positioning shaft 255 away from the base 254 passes through the slide seat 252 and is provided with a thread. The threaded end of the positioning shaft 255 is connected to a nut 256.

[0040] Specifically, the base 254 and the nut 256 can limit the movement range of the rack 251 to the middle position, so that the rack 251 will not fall off the slide 253 during the movement, causing the rack 251 to be directly separated from the U-shaped frame 21. If you want to disassemble the rack 251, you only need to rotate the nut 256 until it is separated from the base 254 through thread engagement, and then you can remove the rack 251 and the slide 252.

[0041] like Figure 2 and Figure 4 As shown, a first gear 226 is fixedly sleeved on the outer ring of a first rotating shaft 222 , and a second gear 236 is fixedly sleeved on the outer ring of a second rotating shaft 232 . The first gear 226 and the second gear 236 are respectively meshed with two sides of the rack 251 .

[0042] Specifically, the rack 251 is located between the first gear 226 and the second gear 236. When the third elastic member 243 pushes the first mounting frame 221 toward the second mounting frame 231, the first gear 226 and the second gear 236 will mesh with the rack 251, so that the first pressing roller 223 and the second pressing roller 233 cannot rotate, and the sheet can be firmly fixed therein. When the first mounting frame 221 moves away from the second mounting frame 231, the first gear 226 will disengage from the rack 251. At the same time, the rack 251 will move away from the second gear 236 due to its own gravity. At this time, the potential energy applied to the first elastic member 227 and the second elastic member 237 by inserting the sheet between the first pressing roller 223 and the second pressing roller 233 will be released, driving the first pressing roller 223 and the second pressing roller 233 to rotate, and automatically pushing the sheet out.

[0043] The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them.

Claims

1. A bed that is convenient for arranging bed sheets, comprising a bed frame (11) and a mattress (12) placed on the bed frame (11), characterized in that: A lifting member (13) for lifting the mattress (12) is installed inside the bed frame (11); a U-shaped frame (21) is installed at the bottom of the mattress (12); a first pressing mechanism (22) and a second pressing mechanism (23) for fixing the bed sheet are arranged on the inner side of the U-shaped frame (21); a positioning mechanism (25) is arranged between the first pressing mechanism (22) and the second pressing mechanism (23); and a push-back mechanism (24) is arranged below the first pressing mechanism (22); The first pressing mechanism (22) comprises a first mounting frame (221), the first mounting frame (221) is slidably connected to the inner wall of the U-shaped frame (21), and the first mounting frame (221) is rotatably connected to a plurality of first rotating shafts (222), a first transmission member is arranged between the plurality of first rotating shafts (222) for synchronous rotation of the plurality of first rotating shafts (222), a first elastic member (227) is arranged between the first transmission member and the first mounting frame (221), and a first pressing roller (223) is arranged on the outer ring fixed sleeve of the first rotating shaft (222); After the lifting member (13) lifts the mattress (12), the bed sheet is inserted between the first pressing roller (223) and the second pressing mechanism (23) for fixing. When replacing the bed sheet, the first mounting frame (221) is pressed down to keep it away from the positioning mechanism (25), and the first elastic member (227) and the first transmission member drive the plurality of first pressing rollers (223) to rotate, thereby pushing out the bed sheet inside.

2. A bed that is easy to arrange bed sheets according to claim 1, characterized in that: The first transmission member comprises a first groove wheel (224) fixed at the end of the first rotating shaft (222), and every two of the first groove wheels (224) are connected to a first belt (225).

3. The bed that is easy to arrange bed sheets according to claim 1, characterized in that: The second pressing mechanism (23) comprises a second mounting frame (231) fixed to the inner wall of the U-shaped frame (21); the second mounting frame (231) is rotatably connected to a plurality of second rotating shafts (232); a second transmission member is arranged between the plurality of second rotating shafts (232) for synchronous rotation of the plurality of second rotating shafts (232); a second elastic member (237) is arranged between the second transmission member and the second mounting frame (231); and a second pressing roller (233) is arranged on the outer ring fixed sleeve of the second rotating shaft (232).

4. A bed that is easy to arrange bed sheets according to claim 3, characterized in that: The first elastic member (227) and the second elastic member (237) are both torsion springs.

5. The bed that is easy to arrange bed sheets according to claim 3, characterized in that: The second transmission member comprises a second groove wheel (234) fixed to the end of the second rotating shaft (232), and every two of the second groove wheels (234) are connected to a second belt (235).

6. The bed that is easy to arrange bed sheets according to claim 1, characterized in that: The push-back mechanism (24) comprises a push-back plate (241) fixedly connected to the first mounting frame (221), the inner ring of the push-back plate (241) is movably sleeved with a guide slide bar (242), the end of the guide slide bar (242) is fixedly connected to the U-shaped frame (21), and a third elastic member (243) is installed between the push-back plate (241) and the bottom of the U-shaped frame (21).

7. A bed that is easy to arrange bed sheets according to claim 6, characterized in that: The third elastic member (243) is a spring.

8. The bed that is easy to arrange bed sheets according to claim 3, characterized in that: The positioning mechanism (25) comprises a rack (251), one side of the rack (251) is fixedly connected to a sliding seat (252), the sliding seat (252) is slidably connected to a sliding bar (253), and the sliding bar (253) is fixed on the side wall of the U-shaped frame (21).

9. A bed that is easy to arrange bed sheets according to claim 8, characterized in that: One end of the slide bar (253) is fixedly connected to a base (254), and the base (254) is fixedly connected to a positioning shaft (255). One end of the positioning shaft (255) away from the base (254) passes through the slide seat (252) and is provided with a thread. The threaded end of the positioning shaft (255) is connected to a nut (256).

10. The bed for arranging bed sheets according to claim 8, characterized in that: A first gear (226) is provided on the outer ring fixed sleeve of the first rotating shaft (222), and a second gear (236) is provided on the outer ring fixed sleeve of the second rotating shaft (232). The first gear (226) and the second gear (236) are respectively meshed with two sides of the rack (251).

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