Three-gas-rod balanced support lifting frame

Abstract

The application discloses a three-gas-rod balanced support lifting frame, which comprises left lifting structures and right lifting structures with the same structure, and a cross beam arranged between the left lifting structures and the right lifting structures, wherein the left lifting structure comprises a bed side fixed plate, a bed plate fixed angle plate, a support plate and a lifting adjusting part; the top of the support plate is rotatably connected to the vertical plate of the bed plate fixed angle plate through a thirteenth rivet, the bottom of the support plate is rotatably connected to the bed side fixed plate, the two ends of the cross beam are rotatably connected to the top of the support plate through a pin shaft, and the two ends of the lifting adjusting part are connected to the bed side fixed plate and the bed plate fixed angle plate respectively. The structure of the application is reasonable, the lifting operation is realized through the lifting adjusting part, the stable support and bearing purposes can be effectively realized, the lifting adjusting operation is relatively convenient and fast, the abnormal sound of lifting is reduced, and the use stability is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of bed board lifting, and particularly relates to a three-gas-rod balanced support lifting frame. BACKGROUND

[0002] With the development of society and the improvement of living standards, people have more and more functional requirements for beds, and lifting beds with multiple functions have gradually been popularized. The lifting functions of the head and legs of the bed bring great convenience to people's daily life.

[0003] Chinese Patent Publication No. CN213664520U discloses a parallel lifting structure for a furniture bed, which comprises a lower fixed part and an upper fixed part. A support connecting part is hingedly connected between the lower fixed part and the upper fixed part. A connecting part is hingedly connected to one end of the upper fixed part. A regulating part is hingedly connected to the lower end of the connecting part. A corner part is integrally formed on the end of the regulating part close to the lower fixed part. The corner part is hingedly connected to the lower fixed part. A second pneumatic part is arranged on the end of the connecting part away from the upper fixed part. The second pneumatic part is provided with a second pneumatic rod at one end. The lower end of the second pneumatic rod is connected to the corner part. A first pneumatic part is connected to the end of the upper fixed part away from the connecting part. The lower end of the first pneumatic part is provided with a first pneumatic rod. The lower end surface of the first pneumatic rod is connected to the lower fixed part. An impact bar is hingedly connected to the end of the upper fixed part away from the first pneumatic part.

[0004] Although the lifting and stability of the bed board can be achieved, the lifting is controlled by two pneumatic parts, and the support beam and the support rod are used for limiting. The lifting support point is limited, and the lifting of the two sides is not balanced. The stability and safety of the support after lifting are limited, and the applicability and practicability are limited. SUMMARY

[0005] The application aims to provide a three-gas-rod balanced support lifting frame with reasonable structure and improved use stability.

[0006] The technical solution for achieving the application is a three-gas-rod balanced support lifting frame, which comprises left and right lifting structures with the same structure. A cross beam is arranged between the left and right lifting structures.

[0007] The left lifting structure comprises a bed side fixed plate, a bed board fixed angle plate, a support plate, and a lifting regulating part.

[0008] The top of the support plate is rotatably connected to the vertical plate of the bed board fixed angle plate through a thirteenth rivet. The bottom of the support plate is rotatably connected to the bed side fixed plate. The two ends of the cross beam are rotatably connected to the top of the support plate through a pin shaft. The two ends of the lifting regulating part are connected to the bed side fixed plate and the bed board fixed angle plate, respectively.

[0009] Further preferably, the lifting adjusting component comprises a first air rod, a second air rod, a third air rod, a first support sheet, a second support sheet, a third support sheet, a fourth support sheet and a fifth support sheet.

[0010] The bottom of the first support sheet is rotatably connected to the bed side fixed plate by a first rivet, the bottom end of the second support sheet is rotatably connected to the top of the first support sheet by a second rivet, and the top end of the second support sheet is rotatably connected to the vertical plate end of the bed plate fixed angle plate by a third rivet.

[0011] The bottom end of the third support sheet and the bottom end of the fourth support sheet are stacked on the upper part of the first support sheet and are rotatably connected by a fourth rivet, the top end of the third support sheet is rotatably connected to the bottom end of the fifth support sheet by a fifth rivet, and the top end of the fifth support sheet is rotatably connected to the lower part of the second support sheet by a sixth rivet.

[0012] The top of the fourth support sheet is rotatably connected to the rod bottom of the first air rod by a seventh rivet, and the piston shaft of the first air rod is rotatably connected to the upper part of the support plate by an eighth rivet.

[0013] The rod bottom of the second air rod is rotatably connected to the bed side fixed plate by a ninth rivet, and the piston shaft of the second air rod is rotatably connected to the middle part of the third support sheet by a tenth rivet.

[0014] The rod bottom of the third air rod is rotatably connected to the lower part of the support plate by an eleventh rivet, and the piston shaft of the third air rod is rotatably connected to the vertical plate of the bed plate fixed angle plate by a twelfth rivet.

[0015] Further preferably, the outer side of the left lifting structure or the right lifting structure is provided with a clamping sheet, the middle part of the clamping sheet is provided with a guide strip-shaped groove, the lower part of the clamping sheet is provided with a U-shaped clamping groove, and the guide strip-shaped groove is in communication with one end of the U-shaped clamping groove.

[0016] The upper part of the clamping sheet is rotatably connected to the vertical plate of the bed plate fixed angle plate by a fourteenth rivet, and the upper part of the support plate is provided with a clamping protruding column which is movably arranged in the U-shaped clamping groove.

[0017] Further preferably, the twelfth rivet and the third rivet are respectively arranged on the two sides of the thirteenth rivet, and the distance between the twelfth rivet and the thirteenth rivet is smaller than the distance between the third rivet and the thirteenth rivet.

[0018] Further preferably, the middle part of the first support sheet is arranged in an inclined manner, and the fourth rivet is arranged at the inclined corner of the first support sheet.

[0019] The present application has the positive effect that the structure of the present application is reasonable, the lifting operation is realized by using the lifting adjusting component, the purposes of stable support and bearing can be effectively realized, and the lifting is more convenient and fast during the lifting adjusting operation, which is beneficial to reduce the abnormal sound of lifting and improve the use stability.

[0020] Moreover, the lifting adjusting component comprises the first air rod, the second air rod and the third air rod, the lifting is controlled by the three air rods, the stability of lifting can be improved, the shaking during lifting can be reduced, the bearing reliability can be improved, the damper effect is provided, the lifting is relatively slow, the abnormal sound or shaking is reduced, the use stability is improved, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to make the content of the present application more easily understood, the present application will be further described in detail below according to specific embodiments and in combination with the drawings, in which:

[0022] Fig. 1 is a structural schematic view of the present application;

[0023] Fig. 2 is a structural schematic view of the present application when folded;

[0024] Fig. 3 is a structural schematic view of the present application from another perspective.

[0025] The drawings show that: right lifting structure 1, left lifting structure 2, bed side fixed plate 21, bed plate fixed angle plate 22, support plate 23, lifting adjusting component 24, cross beam 3, first air rod 4, second air rod 5, third air rod 6, first support piece 7, second support piece 8, third support piece 9, fourth support piece 10, fifth support piece 11, clamping piece 12, guide strip-shaped groove 13, U-shaped clamping groove 14, clamping convex column 15. EMBODIMENT

[0026] (Example 1)

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] In the present embodiment, the left or right directional words are only for convenience of description, and are not limited thereto.

[0029] See Figs. 1 to 3As shown, a three-gas-rod balanced support lifting frame comprises a left lifting structure 2 and a right lifting structure 1 which are structurally identical, and a cross beam 3 arranged between the left lifting structure and the right lifting structure, in this embodiment, the cross beam mainly synchronizes the left lifting structure and the right lifting structure to realize lifting, thereby ensuring the stability of the bed plate and preventing the bed plate from tilting.

[0030] The left lifting structure 2 comprises a bed side fixed plate 21, a bed plate fixed angle plate 22, a support plate 23 and a lifting adjusting component 24; in this embodiment, the bed side fixed plate is mainly fixed on the bed side by screws, the horizontal plate of the bed plate fixed angle plate is fixed on the bottom surface of the bed plate by screws, and the support plate is mainly used for connecting the bed side fixed plate and the bed plate fixed angle plate, thereby forming an integral structure; the above-mentioned structures are metal structures, which can be aluminum or stainless steel structures.

[0031] The top of the support plate is rotatably connected to the vertical plate of the bed plate fixed angle plate by a thirteenth rivet, the bottom of the support plate is rotatably connected to the bed side fixed plate, the two ends of the cross beam are rotatably connected to the top of the support plate by a pin shaft, and the two ends of the lifting adjusting component are respectively connected to the bed side fixed plate and the bed plate fixed angle plate; the rotatable connection does not affect the normal folding or unfolding operation.

[0032] The lifting adjusting component 24 comprises a first gas rod 4, a second gas rod 5, a third gas rod 6, a first support piece 7, a second support piece 8, a third support piece 9, a fourth support piece 10 and a fifth support piece 11; in this embodiment, the above-mentioned structures are metal structures, which can be aluminum or stainless steel structures; the middle part of the first support piece is arranged in an inclined manner, and the fourth rivet is arranged at the inclined corner of the first support piece.

[0033] The bottom of the first support piece is rotatably connected to the bed side fixed plate by a first rivet, the bottom end of the second support piece is rotatably connected to the top of the first support piece by a second rivet, and the top end of the second support piece is rotatably connected to the end of the vertical plate of the bed plate fixed angle plate by a third rivet;

[0034] The bottom end of the third support piece and the bottom end of the fourth support piece are stacked on the upper part of the first support piece and are rotatably connected by a fourth rivet, the top end of the third support piece is rotatably connected to the bottom end of the fifth support piece by a fifth rivet, and the top end of the fifth support piece is rotatably connected to the lower part of the second support piece by a sixth rivet;

[0035] The top of the fourth support piece is rotatably connected to the rod bottom of the first gas rod by a seventh rivet, and the piston shaft of the first gas rod is rotatably connected to the upper part of the support plate by an eighth rivet;

[0036] The rod bottom of the second air rod is rotatably connected to the bed side fixed plate through a ninth rivet, and the piston shaft of the second air rod is rotatably connected to the middle part of the third supporting sheet through a tenth rivet.

[0037] The rod bottom of the third air rod is rotatably connected to the lower part of the supporting plate through an eleventh rivet, and the piston shaft of the third air rod is rotatably connected to the vertical plate of the bed plate fixed angle plate through a twelfth rivet.

[0038] In actual application, in order to ensure the effectiveness of the lifting operation, the twelfth rivet and the third rivet are respectively arranged on the two sides of the thirteenth rivet, and the distance between the twelfth rivet and the thirteenth rivet is smaller than the distance between the third rivet and the thirteenth rivet. Moreover, each rivet can be a movable shaft or the like.

[0039] In actual application, in order to limit the lifting and prevent automatic falling under external force, the outer side of the left lifting structure or the right lifting structure is provided with a clamping sheet 12, the middle part of the clamping sheet is provided with a guide strip-shaped groove 13, the lower part of the clamping sheet is provided with a U-shaped clamping groove 14, and one end of the guide strip-shaped groove is connected to the U-shaped clamping groove.

[0040] The upper part of the clamping sheet is rotatably connected to the vertical plate of the bed plate fixed angle plate through a fourteenth rivet, the upper part of the supporting plate is provided with a clamping convex column 15, and the clamping convex column is movably arranged in the U-shaped clamping groove. When lifting, the clamping convex column enters the U-shaped clamping groove from the guide strip-shaped groove, and is clamped into the vertical part of the U-shaped clamping groove under the action of the gravity of the clamping sheet, so that the automatic falling can be prevented. When descending is needed, the clamping sheet is pushed upward by external force, so that the clamping convex column enters one side connected to the guide strip-shaped groove, and then external force is applied downward to fold. At this time, the clamping convex column moves in the guide strip-shaped groove.

[0041] The present application has the following advantages: the structure of the present application is reasonable, the lifting operation is realized by using the lifting adjusting component, the purpose of stable support and bearing can be effectively realized, the lifting adjusting operation is relatively convenient and fast, the abnormal sound during lifting is reduced, and the use stability is improved.

[0042] Moreover, the lifting adjusting component includes a first air rod, a second air rod and a third air rod, the lifting is controlled by the three air rods, the stability of lifting can be improved, the shaking during lifting can be reduced, the bearing reliability is improved, the effect of the damper is achieved, the lifting is relatively slow, the abnormal sound or shaking is reduced, the use stability is improved, and the practicality is high.

[0043] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description in the specification can also be directly processed according to the existing technical knowledge without doubt, and the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment all adopt the conventional models in the existing technology, so specific description is not made here.

[0044] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. Based on the above description, other different forms of changes or variations can also be made by those skilled in the art. Here, all the implementation modes do not need to be exhausted, and the changes or variations extending from the essential spirit of the present application are still within the protection scope of the present application.

Claims

1. A three-pneumatic-column balanced support lifting frame, comprising a left lifting structure and a right lifting structure with identical structures, wherein a crossbeam is provided between the left lifting structure and the right lifting structure, characterized in that: The left lifting structure includes a bed side fixing plate, a bed board fixing corner plate, a support plate, and lifting adjustment components; The top of the support plate is rotatably connected to the vertical plate of the bed board fixing angle plate by the thirteenth rivet, the bottom of the support plate is rotatably connected to the bed side fixing plate, the two ends of the crossbeam are rotatably connected to the top of the support plate by the pins, and the two ends of the lifting adjustment component are respectively connected to the bed side fixing plate and the bed board fixing angle plate. The lifting and adjusting component includes a first gas spring, a second gas spring, a third gas spring, a first support plate, a second support plate, a third support plate, a fourth support plate, and a fifth support plate; The bottom of the first support piece is rotatably connected to the bed side fixing plate by the first rivet, the bottom end of the second support piece is rotatably connected to the top of the first support piece by the second rivet, and the top end of the second support piece is rotatably connected to the end of the vertical plate of the bed board fixing corner plate by the third rivet. The bottom ends of the third support piece and the fourth support piece are stacked on top of the first support piece and are rotatably connected by the fourth rivet. The top end of the third support piece is rotatably connected to the bottom end of the fifth support piece by the fifth rivet. The top end of the fifth support piece is rotatably connected to the bottom of the second support piece by the sixth rivet. The top of the fourth support plate is rotatably connected to the bottom of the first gas rod by a seventh rivet, and the piston shaft of the first gas rod is rotatably connected to the upper part of the support plate by an eighth rivet. The bottom of the second air rod is rotatably connected to the bed side fixing plate by the ninth rivet, and the piston shaft of the second air rod is rotatably connected to the middle of the third support plate by the tenth rivet; The bottom of the third gas spring is rotatably connected to the lower part of the support plate by the eleventh rivet, and the piston shaft of the third gas spring is rotatably connected to the vertical plate of the bed board fixing angle plate by the twelfth rivet. The side fixing plate is fixed to the side of the bed with screws, and the cross plate of the bed board fixing corner plate is fixed to both sides of the bottom surface of the bed board with screws.

2. The three-pneumatic-column balanced support lifting frame according to claim 1, characterized in that: The outer side of the left or right lifting structure is provided with a locking piece, the middle of the locking piece is provided with a guide strip groove, the lower part of the locking piece is provided with a U-shaped locking groove, and one end of the guide strip groove is connected to the U-shaped locking groove. The upper part of the locking piece is rotatably connected to the vertical plate of the bed board fixing angle plate by the fourteenth rivet. The upper part of the support plate is provided with a locking protrusion, which is movably disposed in the U-shaped locking groove.

3. The three-pneumatic-column balanced support lifting frame according to claim 2, characterized in that: The twelfth rivet and the third rivet are respectively located on both sides of the thirteenth rivet, and the distance between the twelfth rivet and the thirteenth rivet is smaller than the distance between the third rivet and the thirteenth rivet.

4. The three-pneumatic-column balanced support lifting frame according to claim 3, characterized in that: The middle part of the first support piece is inclined, and the fourth rivet is located at the inclined corner of the first support piece.

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