Hybrid transmission lifting bed

Abstract

The utility model belongs to the technical field of furniture, and provides a hybrid transmission lifting bed which comprises a bed body, the bed body comprises lead screw lifting legs, lead screws of two lead screw supporting legs located at the same end are in transmission connection through transmission rods, and the hybrid transmission lifting bed further comprises a transmission belt assembly arranged on the bed body and in transmission connection with all the transmission rods; and the driving device is arranged on the bed body and is in transmission connection with at least one of the transmission rod, the lead screw lifting leg and the transmission belt assembly. The hybrid transmission lifting bed is simple in structure and reasonable in design, vibration transmission between the two transmission rods is reduced through the transmission belt, so that noise is reduced, and the problem that in a lifting bed in the prior art, due to hard connection between the transmission rods and the gear boxes, the transmission rods and the gear boxes are damaged is solved. And vibration generated in the lifting process can be effectively transmitted, and large noise is generated.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, in particular to a hybrid transmission lifting bed. Background Art

[0002] Lift beds are widely used because the height of their bed can be adjusted according to actual needs, so that the space under the lift bed can be effectively utilized, thereby improving the utilization rate of indoor space.

[0003] However, the lifting beds in the prior art all use a transmission rod for power transmission. Since the transmission rod is hard-connected to components such as a gear box, the vibration generated during the lifting process will be effectively transmitted, thereby generating more noise. Utility Model Content

[0004] In view of the defects in the prior art, the purpose of the utility model is to provide a hybrid transmission lifting bed to solve the above-mentioned problems existing in the lifting beds in the prior art.

[0005] In order to achieve the above object, the utility model provides a hybrid transmission lifting bed, comprising a bed body, the bed body comprising a screw lifting leg, and the screws of the two screw lifting legs located at the same end are connected by a transmission rod, and further comprising:

[0006] A transmission belt assembly, which is arranged on the bed and is in transmission connection with all the transmission rods; and

[0007] A driving device is arranged on the bed body and is drivingly connected to at least one of the transmission rod, the screw lifting leg and the transmission belt assembly.

[0008] Furthermore, the transmission belt assembly comprises:

[0009] First pulleys, which are rotatably arranged on the bed body, the number of which is equal to and one-to-one corresponds to the number of the transmission rods, and which are transmission-connected to the transmission rods; and

[0010] The transmission belt is sleeved on all the first belt pulleys and can rotate along with the rotation of the first belt pulleys.

[0011] Furthermore, it also includes a conversion gear box, the number of which is equal to and one-to-one corresponding to the number of the transmission rods, and the conversion gear box includes:

[0012] A box body, which is fixedly arranged on the bed body;

[0013] A first bevel gear is disposed in the housing and is rotatably connected to the housing, and is coaxially sleeved on the transmission rod and is transmission-connected to the transmission rod; and

[0014] A second bevel gear is disposed in the housing and is rotatably connected to the housing, and is meshed with the first bevel gear;

[0015] Wherein, the first pulley is transmission connected to the second bevel gear.

[0016] Furthermore, the transmission belt assembly also includes a second pulley, which is rotatably disposed on the bed body and is transmission-connected to the driving device.

[0017] Furthermore, it also includes:

[0018] A mounting frame, which is fixedly connected to the bed body and is provided with a plurality of strip-shaped holes extending in the same direction; and

[0019] The number of fixing bolts is equal to and corresponds to the number of the strip-shaped holes, and the threaded ends of the fixing bolts are threadedly connected to the driving device after passing through the strip-shaped holes;

[0020] Wherein, the second pulley is fixedly connected to the driving device.

[0021] Furthermore, the driving device is a motor or a driving handle.

[0022] Furthermore, a support rod is provided on the bed body, the transmission belt assembly is arranged above the support rod, and a support block for supporting the bed board is provided on the support rod.

[0023] Furthermore, it also includes a study table, which is arranged below the bed board.

[0024] Furthermore, the study table is fixedly connected to the lead screw lifting leg and can be raised and lowered along with the raising and lowering of the lead screw lifting leg.

[0025] Beneficial effects of the utility model:

[0026] The hybrid transmission lifting bed provided by the utility model has a simple structure and a reasonable design. Through the mixed combination of the transmission belt and the transmission rod, the transmission belt reduces the transmission of vibration between the two transmission rods, thereby reducing the generation of noise. This solves the problem of the lifting bed in the prior art that the vibration generated during the lifting process is effectively transmitted due to the hard connection between the transmission rod and the gear box, thereby generating a large noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0028] Figure 1 A three-dimensional view of a hybrid transmission lifting bed provided by an embodiment of the utility model in a first direction;

[0029] Figure 2 for Figure 1 A three-dimensional view of the hybrid transmission lifting bed in the second direction;

[0030] Figure 3 for Figure 1 The hybrid transmission lifting bed is shown in a three-dimensional view in the third direction (behind the bed board and the cabinet ladder);

[0031] Figure 4 for Figure 3 An enlarged view of section A is shown;

[0032] Figure 5 for Figure 3 An enlarged view of section B is shown;

[0033] Figure 6 for Figure 1 An exploded perspective view of the conversion gearbox of a hybrid transmission lift bed is shown.

[0034] Reference numerals:

[0035] 100, bed body; 110, screw lifting leg; 120, transmission rod; 130, bracket; 140, mounting frame; 141, strip hole; 150, support rod; 160, support block; 170, bed board; 210, first pulley; 220, transmission belt; 230, second pulley; 300, driving device; 400, conversion gear box; 410, box body; 411, half shell; 420, first bevel gear; 430, second bevel gear; 500, study table; 600, cabinet ladder. DETAILED DESCRIPTION

[0036] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0037] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which the utility model belongs.

[0038] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] In addition, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is more than two, unless otherwise clearly and specifically limited.

[0040] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0041] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0042] like Figure 1-6 As shown, the utility model provides a hybrid transmission lifting bed, including a bed body 100, the bed body 100 includes a screw lifting leg 110, and the screws of the two screw lifting legs 110 located at the same end are connected by a transmission rod 120. Specifically, the top end of the screw is connected to the transmission rod 120 by a transmission gear box. It also includes a transmission belt assembly and a driving device 300.

[0043] The transmission belt assembly is arranged on the bed 100, and the transmission belt assembly is transmission-connected with all the transmission rods 120. In the present embodiment, the number of the transmission rods 120 is two. The driving device 300 is arranged on the bed 100, and the driving device 300 is transmission-connected with at least one of the transmission rods 120, the screw lifting legs 110 and the transmission belt assembly. Specifically, the driving device 300 can be a manual driving device 300, such as a driving handle, a driving crank, etc.; or it can be an electric driving device 300, such as a motor. In the present embodiment, the driving device 300 is a driving motor, and the driving motor is transmission-connected with the transmission belt assembly, and specifically, the driving motor is transmission-connected with the pulley of the transmission belt assembly.

[0044] When in use, the driving device 300 drives the belt assembly to rotate, and the transmission belt 220 drives all the transmission rods 120 to rotate, thereby achieving the purpose of simultaneously driving the screws of all the screw lifting legs 110 to rotate, and then achieving the purpose of simultaneously driving all the screw lifting legs 110 to extend or shorten.

[0045] The hybrid transmission lifting bed in this embodiment has a simple structure and a reasonable design. By mixing and matching the transmission belt 220 and the transmission rod 120, the transmission belt 220 reduces the transmission of vibration between the two transmission rods 120, thereby reducing the generation of noise. This solves the problem of the lifting bed in the prior art that the vibration generated during the lifting process is effectively transmitted due to the hard connection between the transmission rod 120 and the gear box, resulting in a large noise.

[0046] In one embodiment, the transmission belt assembly includes a first pulley 210 and a transmission belt 220 .

[0047] The first pulleys 210 are rotatably arranged on the bed body 100, the number of the first pulleys 210 is equal to and corresponds to the number of the transmission rods 120, and the first pulleys 210 are transmission-connected with the transmission rods 120. The transmission belt 220 is sleeved on all the first pulleys 210 and can rotate with the rotation of the first pulleys 210. Specifically, the transmission belt 220 can be a V-belt or a synchronous belt, and the first pulley 210 can be a V-belt pulley or a synchronous pulley that matches it.

[0048] The transmission belt assembly provided in this embodiment has a simple structure and a reasonable design.

[0049] In one embodiment, a conversion gear box 400 is further included. The number of the conversion gear boxes 400 is equal to and corresponds to the number of the transmission rods 120 . The conversion gear box 400 includes a housing 410 , a first bevel gear 420 , and a second bevel gear 430 .

[0050] The box body 410 is fixedly arranged on the bed body 100. Specifically, the box body 410 includes two half shells 411 arranged opposite to each other. The box body 410 is fixedly connected to the bed body 100 through the bracket 130. The first bevel gear 420 is arranged in the box body 410 and is rotatably connected to the box body 410. The first bevel gear 420 is coaxially sleeved on the transmission rod 120 and is transmission-connected to the transmission rod 120. The second bevel gear 430 is arranged in the box body 410 and is rotatably connected to the box body 410. The second bevel gear 430 is meshed with the first bevel gear 420. Among them, the first pulley 210 is transmission-connected to the second bevel gear 430. Specifically, the power input shaft of the second bevel gear 430 extends outside the box body 410, and the first pulley 210 is coaxially sleeved on the power input shaft of the second bevel gear 430.

[0051] When in use, the transmission belt 220 drives the second bevel gear 430 to rotate through the first pulley 210, the second bevel gear 430 drives the first bevel gear 420 to rotate, and the first bevel gear 420 drives the transmission rod 120 to rotate, thereby achieving the purpose of driving the screw of the screw lifting leg 110 to rotate, and then achieving the purpose of driving the screw lifting leg 110 to extend or shorten.

[0052] The hybrid transmission lifting bed in this embodiment is provided with a conversion gear box 400 so that the rotation center line of the first pulley 210 extends in the longitudinal direction, thereby achieving the purpose of saving the height space occupied by the transmission belt assembly.

[0053] In one embodiment, the transmission belt assembly further includes a second pulley 230, which is rotatably disposed on the bed body 100 and is in transmission connection with the driving device 300. Preferably, the second pulley 230 and the two first pulleys 210 are arranged to form an obtuse triangle.

[0054] In this embodiment, by setting the second pulley 230 and making the second pulley 230 and the two first pulleys 210 form an obtuse triangle, when the friction between the transmission belt 220 and the two first pulleys 210 is greater than the friction between the transmission belt 220 and the second pulley 230, at this time, slippage will occur between the second pulley and the transmission belt 220, thereby achieving the purpose of protecting the motor and preventing the motor from being damaged due to overload.

[0055] In one embodiment, a mounting bracket 140 and fixing bolts are also included.

[0056] The mounting frame 140 is fixedly connected to the bed body 100 , and a plurality of strip-shaped holes extending in the same direction are formed on the mounting frame 140 .

[0057] The number of the fixing bolts is equal to and corresponds to the number of the strip holes, and the threaded ends of the fixing bolts pass through the strip holes and are threadedly connected to the driving device 300. The second pulley 230 is fixedly connected to the driving device 300.

[0058] In this embodiment, by setting a strip hole on the mounting frame 140, the position of the driving device 300 can be changed in the length direction of the strip hole, thereby changing the position of the second pulley 230, thereby achieving the purpose of adjusting the tension of the transmission belt 220.

[0059] In one embodiment, a support rod 150 is disposed on the bed body 100 , a transmission belt assembly is disposed above the support rod 150 , and a support block 160 for supporting a bed board 170 is disposed on the support rod 150 .

[0060] In this embodiment, the transmission belt assembly is arranged above the support rod 150, so as to prevent the user from hitting the transmission belt 220. And by arranging the support block 160, the bed board can be prevented from pressing the transmission belt 220.

[0061] In one embodiment, a study table 500 is further included, and the study table 500 is arranged below the bed board 170. Specifically, the study table 500 is arranged below one end of the bed body. Preferably, the study table 500 is fixedly connected to the lead screw lifting leg 110 and can be raised and lowered with the raising and lowering of the lead screw lifting leg 110. In this embodiment, the study table 500 is fixedly connected to the outer tube of the lead screw support leg.

[0062] In this embodiment, by providing a study table 500, the purpose of effectively utilizing the space under the bed is achieved, and the study table 500 can be raised and lowered along with the raising and lowering of the lead screw lifting leg 110, thereby achieving the purpose of easy operation.

[0063] Preferably, a cabinet ladder 600 is provided at the other end of the bed 100 for easy climbing.

[0064] In the specification of the present utility model, a lot of specific details are described. However, it is understood that the embodiments of the present utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this specification.

[0065] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. A hybrid transmission lifting bed, comprising a bed body (100), wherein the bed body (100) comprises a screw lifting leg (110), and the screws of the two screw support legs located at the same end are connected by a transmission rod (120), characterized in that: Also includes: A transmission belt assembly, which is arranged on the bed (100) and is transmission-connected to all the transmission rods (120); as well as A driving device (300) is arranged on the bed body (100) and is drivingly connected to at least one of the transmission rod (120), the screw lifting leg (110) and the transmission belt assembly.

2. The hybrid transmission lifting bed according to claim 1, characterized in that: The drive belt assembly package: A first pulley (210) is rotatably disposed on the bed body (100), the number of which is equal to and one-to-one corresponding to the number of the transmission rods (120), and is transmission-connected to the transmission rods (120); and A transmission belt (220) is sleeved on all of the first pulleys (210) and can rotate along with the rotation of the first pulleys (210).

3. The hybrid transmission lifting bed according to claim 2, characterized in that: It also includes a conversion gear box (400), the number of the conversion gear boxes (400) is equal to the number of the transmission rods (120) and corresponds one to one, and the conversion gear box (400) includes: A box body (410) fixedly disposed on the bed body (100); A first bevel gear (420), which is disposed in the housing (410) and is rotatably connected to the housing (410), and is coaxially sleeved on the transmission rod (120) and is transmission-connected to the transmission rod (120); and a second bevel gear (430), which is disposed in the housing (410) and is rotatably connected to the housing (410), and is meshed with the first bevel gear (420); Wherein, the first pulley (210) is transmission-connected to the second bevel gear (430).

4. The hybrid transmission lifting bed according to claim 2 or 3, characterized in that: The transmission belt assembly further comprises a second pulley (230), the second pulley (230) being rotatably disposed on the bed body (100), and the second pulley (230) being transmission-connected to the driving device (300).

5. The hybrid transmission lifting bed according to claim 4, characterized in that: The second pulley (230) and the two first pulleys (210) are arranged to form an obtuse triangle.

6. The hybrid transmission lifting bed according to claim 4, characterized in that: Also includes: A mounting frame (140) which is fixedly connected to the bed body (100) and is provided with a plurality of strip-shaped holes (141) extending in the same direction; as well as fixing bolts, the number of which is equal to and corresponds to the number of the strip-shaped holes (141), and the threaded ends of which pass through the strip-shaped holes (141) and are threadedly connected to the driving device (300); Wherein, the second pulley (230) is fixedly connected to the driving device (300).

7. The hybrid transmission lifting bed according to claim 1, 2, 3, 5 or 6, characterized in that: The driving device (300) is a motor or a driving handle.

8. The hybrid transmission lifting bed according to claim 7, characterized in that: A support rod (150) is arranged on the bed body (100), the transmission belt assembly is arranged above the support rod (150), and a support block (160) for supporting a bed board (170) is arranged on the support rod (150).

9. The hybrid transmission lifting bed according to claim 1, 2, 3, 5, 6 or 8, characterized in that: It also includes a study table (500), and the study table (500) is arranged below the bed board (170).

10. The hybrid transmission lifting bed according to claim 9, characterized in that: The study table (500) is fixedly connected to the lead screw lifting leg (110) and can be raised or lowered along with the raising or lowering of the lead screw lifting leg (110).

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