Angle adjusting mechanism for sofa folding bed

Abstract

The utility model discloses an angle adjusting mechanism for a sofa folding bed, which particularly relates to the technical field of sofa folding beds and comprises a support frame, a switching mechanism is mounted on the outer wall of the support frame, a support mechanism is mounted on one side of a first support plate, a first adjusting seat is fixedly mounted on one side of the first support plate, and a second adjusting seat is mounted on the other side of the first support plate. And the inner wall of the fixed sleeve is telescopically connected with an extension rod. According to the angle adjusting mechanism for the sofa folding bed, when the adjusting rod, the second supporting plate and the third supporting plate are moved to the same horizontal line through the switching mechanism by virtue of the supporting mechanism, the first supporting plate and the second supporting plate are supported by the fixed sleeve and the extension rod, so that an additional supporting point can be provided between the two plates; the rigidity and the stability of the whole structure are improved, the whole bearing capacity is improved, meanwhile, by providing additional support, bending and twisting between plates are reduced, deformation and breakage after long-term use are prevented, and the safety of a user is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to sofa folding bed technical field, specifically is a sofa folding bed angle adjusting mechanism. BACKGROUND

[0002] The sofa folding bed is a kind of multifunctional furniture, it can be converted between sofa and bed.This kind of product is especially suitable for the family of limited space or the occasion needing temporary bed, sofa folding bed connecting part usually uses simple hinge or bearing rod to connect support, but hinge and bearing rod are usually mechanical connection point, frequent use can lead to the wear or loosening of these components, shorten the service life of furniture, simultaneously, simple hinge or adjusting ring design can not bear larger weight, especially in the case of multiple use or long-term use, can lead to structural deformation or fracture, bring serious safety hazard, affect the safety of user, therefore, according to sofa folding bed angle adjusting mechanism lack effective support needs to carry out certain improvement. CONTENT OF UTILITY MODEL

[0003] The utility model is to provide a sofa folding bed angle adjusting mechanism to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a sofa folding bed angle adjusting mechanism, including support frame, the outer wall of support frame is installed with conversion mechanism, and the top of support frame is fixedly connected with support rod, the inner wall of support rod is connected with adjusting rod in bearing, and the other end of adjusting rod is fixedly connected with one support plate, the outer wall of one support plate is bolted with one hinge, and the other side of one hinge is bolted with two support plates, the side of one support plate is installed with support mechanism, and support mechanism includes one adjusting seat, one adjusting seat is fixedly installed on the side of one support plate, and the outer wall of one adjusting seat is slidably connected with fixed sleeve, the inner wall of fixed sleeve is connected with extension rod in telescopic mode, and the other end of extension rod is connected with two adjusting seats in bearing, the outer wall of two support plates is bolted with two hinges, and the other side of two hinges is bolted with three support plates.

[0005] Preferably, the conversion mechanism includes a first bearing frame, and the first bearing frame is fixedly installed on the outer wall of the support frame, the inner wall of the first bearing frame is slidably connected with a movable ring, and the outer wall of the movable ring is fixedly connected with an electric push rod, the electric push rod forms an angle adjusting mechanism with the first bearing frame through the movable ring.

[0006] Preferably, the other end of the electric push rod is fixedly connected with a push ring, and the push ring forms a telescopic motion through the electric push rod, the inner wall of the push ring is connected with a second bearing frame in bearing, and the outer wall of the second bearing frame is installed with a first support plate.

[0007] Preferably, the first supporting plate constitutes a pushing movement with the push ring through the second bearing frame, and the first supporting plate constitutes an angle adjustment movement with the supporting rod through the adjusting rod, and the first hinge constitutes a rotating movement with the first supporting plate through the second supporting plate.

[0008] Preferably, one side of the second supporting plate is fixedly provided with a second adjusting seat, and the extension rod constitutes a synchronous pushing movement with the second supporting plate through the second adjusting seat, and the extension rod constitutes a telescopic movement with the fixed sleeve, and the fixed sleeve constitutes a rotating movement with the first adjusting seat through the extension rod.

[0009] Preferably, the top of the supporting frame is provided with a limiting sliding groove, and the extension sliding plate is slidably connected to the inner wall of the limiting sliding groove, and the extension sliding plate is fixedly installed at the lower side of the third supporting plate, and the extension sliding plate constitutes a sliding movement with the limiting sliding groove through the third supporting plate.

[0010] Preferably, the bottom side of the third supporting plate is fixedly connected with a moving frame, and the four ends of the moving frame are provided with translation wheels.

[0011] Compared with the prior art, the sofa folding bed angle adjusting mechanism has the advantages that:

[0012] 1. The first supporting plate is adjusted in angle through the conversion mechanism, so that the second supporting plate and the third supporting plate are pushed and rotated through the first hinge and the second hinge, and when the second supporting plate and the first supporting plate are adjusted, the extension rod is telescopically adjusted along the fixed sleeve, and the fixed sleeve and the extension rod are adjusted in angle along the first adjusting seat and the second adjusting seat, so that when the adjusting rod, the second supporting plate and the third supporting plate are moved to the same horizontal line, the fixed sleeve and the extension rod support the first supporting plate and the second supporting plate.

[0013] Thus, additional support points can be provided between the two plates, the rigidity and stability of the overall structure are increased, the overall bearing capacity is improved, part of the weight and stress is further shared, the load of the hinges, adjusting rings and the like is reduced, the service life of these components is prolonged, and through the provision of additional support, the bending and twisting between the plates are reduced, deformation and fracture after long-term use are prevented, and the safety of the user is ensured.

[0014] 2. When the electric push rod is started, the push ring is driven to extend and retract, at this time, the push ring drives the No. 2 bearing frame to synchronously adjust, so that the push ring pushes the No. 1 supporting plate through the No. 2 bearing frame, so that the No. 1 supporting plate rotates along the supporting rod through the pushing force generated when the No. 1 supporting plate rotates, so that the adjusting rod, the No. 2 supporting plate and the No. 3 supporting plate are moved to the same horizontal line, the conversion of the sofa and the bed is completed, the user only needs to press the button or the remote controller, and the folding and unfolding operations can be easily completed, without manual adjustment, the application range of the folding sofa bed is improved, and stable movement in the folding and unfolding process can be ensured, accidental injuries caused by sudden collapse or jamming are avoided, and the practicability of the whole device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is an angle adjusting structure schematic view of the No. 1 supporting plate of the utility model;

[0017] Figure 3 It is a conversion structure schematic view of the No. 1 supporting plate and the No. 3 supporting plate of the utility model;

[0018] Figure 4 It is a connection structure schematic view of the No. 1 supporting plate and the No. 2 supporting plate of the utility model.

[0019] In the drawing: 1, supporting frame; 2, limiting sliding groove; 3, conversion mechanism; 31, No. 1 bearing frame; 32, movable ring; 33, electric push rod; 34, push ring; 35, No. 2 bearing frame; 4, supporting rod; 5, adjusting rod; 6, No. 1 supporting plate; 7, No. 1 hinge; 8, No. 2 supporting plate; 9, supporting mechanism; 91, No. 1 adjusting seat; 92, fixed sleeve; 93, extension rod; 94, No. 2 adjusting seat; 10, No. 2 hinge; 11, No. 3 supporting plate; 12, extension sliding plate; 13, moving frame; 14, translation wheel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-3The utility model provides a technical scheme: a sofa folding bed angle adjusting mechanism, including support frame 1, the outer wall of support frame 1 is installed with conversion mechanism 3, and the top fixed connection of support frame 1 has support rod 4, conversion mechanism 3 includes bearing frame 31, and bearing frame 31 fixed mounting is in the outer wall of support frame 1, the inner wall sliding connection of bearing frame 31 has movable ring 32, and the outer wall fixed connection of movable ring 32 has electric push rod 33, and electric push rod 33 passes through movable ring 32 and bearing frame 31 angle adjusting mechanism is formed, through setting bearing frame 31, the stability of whole angle adjusting mechanism is ensured, and the other end fixed connection of electric push rod 33 has push ring 34, and push ring 34 passes through electric push rod 33 and forms telescopic movement, and the inner wall bearing of push ring 34 is connected with bearing frame 35, and the outer wall installation of bearing frame 35 has one support plate 6, through setting push ring 34, can provide support under different lengths, adapt to the demand of different height and angle, and one support plate 6 passes through bearing frame 35 and push ring 34 and forms push movement, and one support plate 6 passes through adjusting rod 5 and support rod 4 and forms angle adjusting movement, and one hinge 7 passes through second support plate 8 and one support plate 6 and forms rotary movement, through setting support rod 4, can easily adjust the angle of one support plate 6, improve the convenience of operation.

[0022] The utility model discloses a technical scheme: a sofa folding bed angle adjusting mechanism, including support frame 1, the outer wall of support frame 1 is installed with conversion mechanism 3, and the top fixed connection of support frame 1 has support rod 4, conversion mechanism 3 includes bearing frame 31, and bearing frame 31 fixed mounting is in the outer wall of support frame 1, the inner wall sliding connection of bearing frame 31 has movable ring 32, and the outer wall fixed connection of movable ring 32 has electric push rod 33, and electric push rod 33 passes through movable ring 32 and bearing frame 31 angle adjusting mechanism is formed, through setting bearing frame 31, the stability of whole angle adjusting mechanism is ensured, and the other end fixed connection of electric push rod 33 has push ring 34, and push ring 34 passes through electric push rod 33 and forms telescopic movement, and the inner wall bearing of push ring 34 is connected with bearing frame 35, and the outer wall installation of bearing frame 35 has one support plate 6, through setting push ring 34, can provide support under different lengths, adapt to the demand of different height and angle, and one support plate 6 passes through bearing frame 35 and push ring 34 and forms push movement, and one support plate 6 passes through adjusting rod 5 and support rod 4 and forms angle adjusting movement, and one hinge 7 passes through second support plate 8 and one support plate 6 and forms rotary movement, through setting support rod 4, can easily adjust the angle of one support plate 6, improve the convenience of operation.

[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a sofa folding bed angle adjusting mechanism, the inner wall bearing of support rod 4 is connected with adjusting rod 5, and the other end of adjusting rod 5 is fixedly connected with no. The outer wall bolt mounting of no. One support plate 6 has no. One hinge 7, and the other side bolt mounting of no. One hinge 7 has no. Two support plates 8, and one side mounting of no. One support plate 6 has support mechanism 9, and support mechanism 9 includes no. One adjusting seat 91, and no. One adjusting seat 91 fixed mounting is at one side of no. One support plate 6, and the outer wall sliding connection of no. One adjusting seat 91 has fixed sleeve 92, and the inner wall telescopic connection of fixed sleeve 92 has extension rod 93, and the other end bearing of extension rod 93 is connected with no. Two adjusting seat 94, and one side fixed mounting of no. Two support plates 8 has no. Two adjusting seat 94, and extension rod 93 through no. Two adjusting seat 94 and no. Two support plates 8 constitute synchronous push movement, and extension rod 93 and fixed sleeve 92 constitute telescopic motion, and fixed sleeve 92 passes through extension rod 93 and no. One adjusting seat 91 constitute rotation, and the fixed sleeve 92 of setting and extension rod 93 provide additional length adjusting ability, adapt to different size and shape sofa folding bed, the outer wall bolt mounting of no. Two support plates 8 has no. Two hinges 10, and the other side bolt mounting of no. Two hinges 10 has no. Three support plates 11, and the top of support frame 1 is provided with limit sliding slot 2, and the inner wall sliding connection of limit sliding slot 2 has extension slide 12, and extension slide 12 fixed mounting is at the downside of no. Three support plates 11, and extension slide 12 passes through no. Three support plates 11 and limit sliding slot 2 constitute sliding motion, and the extension slide 12 of setting, increase the stability of overall structure, especially in sliding process provides better support, and the bottom side fixed connection of no. Three support plates 11 has moving frame 13, and the four ends of moving frame 13 are provided with translation wheel 14, and the setting translation wheel 14 ensures the stability and balance of sofa folding bed in the moving process.

[0024] The embodiment is specific: through the angle adjustment of the first supporting plate 6 driven by the conversion mechanism 3, the second supporting plate 8 and the third supporting plate 11 are pushed and rotated through the first hinge 7 and the second hinge 10, when the second supporting plate 8 is adjusted with the first supporting plate 6, the extension rod 93 is adjusted along the fixed sleeve 92, and the fixed sleeve 92 and the extension rod 93 are adjusted along the first adjusting seat 91 and the second adjusting seat 94, so that when the adjusting rod 5, the second supporting plate 8 and the third supporting plate 11 are moved to the same horizontal line, the fixed sleeve 92 and the extension rod 93 support the first supporting plate 6 and the second supporting plate 8, thereby providing additional support points between the two plates, increasing the rigidity and stability of the overall structure, improving the overall bearing capacity, further sharing part of the weight and stress, reducing the load of the hinge, adjusting ring and the like, thereby prolonging the service life of these components, while providing additional support, reducing the bending and twisting between the plates, preventing deformation and fracture after long-term use, and ensuring the safety of the user.

[0025] Working principle: when the sofa folding bed angle adjusting mechanism is used, when the user needs to convert the sofa into a bed, at this time, the electric push rod 33 is started by pressing the button or remote control, at this time, the electric push rod 33 drives the push ring 34 to adjust the extension, so that the push ring 34 is forced to rotate along the second bearing frame 35, so that the second bearing frame 35 pushes the first supporting plate 6, and then the first supporting plate 6 is adjusted along the supporting rod 4 through the adjusting rod 5, and at the same time, the electric push rod 33 drives the movable ring 32 to adjust the angle along the first bearing frame 31 under the force;

[0026] At this time, the first supporting plate 6 pushes the second supporting plate 8 through the first hinge 7, so that the second supporting plate 8 drives the first hinge 7 to adjust the angle under the force, at this time, the two second adjusting seats 94 fixed on one side of the second supporting plate 8 move synchronously, so that the second adjusting seat 94 pulls the extension rod 93 to slide along the fixed sleeve 92, so that the fixed sleeve 92 adjusts the angle along the first adjusting seat 91 under the force;

[0027] Similarly, when the second adjusting seat 94 and the extension rod 93 slide when the second supporting plate 8 adjusts the angle, the second supporting plate 8 drives the second hinge 10 to rotate on the other side, so that the third supporting plate 11 is pushed, and then the third supporting plate 11 slides along the limiting sliding groove 2 opened at the top of the supporting frame 1 through the extension sliding plate 12 arranged below, so that the third supporting plate 11 drives the moving frame 13 to adjust synchronously, and then the moving frame 13 moves through the translation wheel 14, and when the conversion mechanism 3 is retracted to the limit value, the adjusting rod 5, the second supporting plate 8 and the third supporting plate 11 are moved to the same horizontal line through the adjustment of the first hinge 7 and the second hinge 10;

[0028] And the fixed sleeve 92 and the extension rod 93 support the first support plate 6 and the second support plate 8 through the first adjusting seat 91 and the second adjusting seat 94, so that additional support points can be provided between the two plate blocks, the rigidity and stability of the overall structure are increased, the overall bearing capacity is improved, part of the weight and stress are further shared, the load of the hinges, adjusting rings and the like is reduced, and the service life of these components is prolonged.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sofa folding bed angle adjustment mechanism comprising a support frame (1), characterized in that: The outer wall of the support frame (1) is provided with a conversion mechanism (3), and the top of the support frame (1) is fixedly connected with a support rod (4), the inner wall of the support rod (4) is bearingly connected with an adjusting rod (5), and the other end of the adjusting rod (5) is fixedly connected with a first supporting plate (6), the outer wall of the first supporting plate (6) is bolted with a first hinge (7), and the other side of the first hinge (7) is bolted with a second supporting plate (8), one side of the first supporting plate (6) is provided with a supporting mechanism (9), and the supporting mechanism (9) comprises a first adjusting seat (91), the first adjusting seat (91) is fixedly installed on one side of the first supporting plate (6), and the outer wall of the first adjusting seat (91) is slidingly connected with a fixed sleeve (92), the inner wall of the fixed sleeve (92) is telescopically connected with an extension rod (93), and the other end of the extension rod (93) is bearingly connected with a second adjusting seat (94), the outer wall of the second supporting plate (8) is bolted with a second hinge (10), and the other side of the second hinge (10) is bolted with a third supporting plate (11).

2. A sofa-bed corner angle adjustment mechanism according to claim 1, characterized in that The conversion mechanism (3) comprises a first bearing frame (31), and the first bearing frame (31) is fixedly installed on the outer wall of the support frame (1), the inner wall of the first bearing frame (31) is slidingly connected with a movable ring (32), and the outer wall of the movable ring (32) is fixedly connected with an electric push rod (33), and the electric push rod (33) and the first bearing frame (31) constitute an angle adjusting mechanism through the movable ring (32).

3. A sofa-bed corner angle adjustment mechanism according to claim 2, characterised in that, The other end of the electric push rod (33) is fixedly connected with a push ring (34), and the push ring (34) constitutes a telescopic motion through the electric push rod (33), the inner wall of the push ring (34) is bearingly connected with a second bearing frame (35), and the second bearing frame (35) is installed on the first supporting plate (6).

4. A sofa-bed corner angle adjustment mechanism according to claim 3, characterised in that The first supporting plate (6) constitutes a pushing motion with the push ring (34) through the second bearing frame (35), and the first supporting plate (6) constitutes an angle adjusting motion with the support rod (4) through the adjusting rod (5), and the first hinge (7) constitutes a rotating motion with the first supporting plate (6) through the second supporting plate (8).

5. The angle adjustment mechanism for a sofa-bed folding corner according to claim 1, characterized in that, One side of the second supporting plate (8) is fixedly installed with a second adjusting seat (94), and the extension rod (93) constitutes a synchronous pushing motion with the second supporting plate (8) through the second adjusting seat (94), and the extension rod (93) constitutes a telescopic motion with the fixed sleeve (92), and the fixed sleeve (92) constitutes a rotating motion with the first adjusting seat (91) through the extension rod (93).

6. A sofa-bed angle adjustment mechanism according to claim 1, wherein The top of the support frame (1) is provided with a limiting sliding groove (2), and the inner wall of the limiting sliding groove (2) is slidingly connected with an extension sliding plate (12), the extension sliding plate (12) is fixedly installed on the lower side of the third supporting plate (11), and the extension sliding plate (12) constitutes a sliding motion with the limiting sliding groove (2) through the third supporting plate (11).

7. The angle adjustment mechanism for a sofa-bed folding bed according to claim 1, characterized in that, The bottom side of the third supporting plate (11) is fixedly connected with a moving frame (13), and the four ends of the moving frame (13) are provided with translation wheels (14).

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