CN216797105U - Electric bed capable of balancing acting force of electric push rod - Google Patents
Electric bed capable of balancing acting force of electric push rod Download PDFInfo
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- CN216797105U CN216797105U CN202123138108.1U CN202123138108U CN216797105U CN 216797105 U CN216797105 U CN 216797105U CN 202123138108 U CN202123138108 U CN 202123138108U CN 216797105 U CN216797105 U CN 216797105U
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Abstract
The utility model provides an electric bed for balancing the acting force of an electric push rod, which comprises a bedstead, a fixed bed board, a movable bed board and a turnover mechanism, wherein the turnover mechanism comprises two connecting rod assemblies, an ejector rod, a bottom rod, the electric push rod and two roller assemblies, the two connecting rod assemblies are oppositely arranged and respectively provided with a bending point, two ends of the electric push rod are respectively connected with the bending points of the two connecting rod assemblies, the ejector rod and the bottom rod are respectively arranged between two ends of the two connecting rod assemblies, the bottom rod is rotatably arranged on the bedstead, the roller assemblies comprise a support piece and a plurality of rollers which are arranged on the support piece at intervals, the lower end of the support piece is rotatably connected with the bedstead, and the middle part of the support piece is rotatably connected with the ejector rod. The utility model can realize the large-scale turnover of the movable bed board, balance the acting force of each point of the electric push rod, reduce the use requirement of the maximum acting force of the electric push rod, and has small occupied space and high structural strength reliability.
Description
Technical Field
The utility model relates to an electric bed for balancing acting force of an electric push rod.
Background
More than one quarter of a life of a person spends in bed, and with technological progress and improvement of material levels, the requirements of people on beds are no longer satisfied by lying down only. Therefore, the structure angle of the bed body can be adjusted to meet the requirements of people on activities such as reading, games or yoga on the bed.
The existing electric bed usually comprises a fixed bed board and a movable bed board, an electric beam of the bed is pushed by a turnover mechanism mainly consisting of an electric push rod with large thrust, the thrust of the electric push rod is converted into the torsional force of the electric beam, and then the movable bed board is driven to turn over, so that the purpose of changing the structural angle of the bed body is achieved. Although this kind of mode simple structure is reliable, nevertheless can produce very big effort to electric crossbeam and bed body structure, lead to the bed body to warp easily, damage or even fracture, have very big potential safety hazard, and can occupy great space, probably need change the volume of bed itself, lead to being not conform to the industry standard of beddo, and if will not change the bed volume, except the problem that above-mentioned electric putter effort was answered, still have tilting mechanism structural strength not enough, activity bed board can not overturn by a wide margin, the unbalanced scheduling problem of electric putter effort. In the prior art, the material type of the turnover mechanism can be changed, the thickness of parts can be increased, and the like, so that optimization can be performed, but the production cost and the transportation cost of products are directly increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric bed capable of balancing the acting force of an electric push rod, which can realize the large-amplitude turnover of a movable bed board, balance the acting force of each point of the electric push rod, reduce the use requirement of the maximum acting force of the electric push rod, and has small occupied space and high structural strength reliability.
The utility model is realized by the following technical scheme:
an electric bed for balancing the acting force of an electric push rod comprises a bed frame, a fixed bed board and a movable bed board which are arranged on the bed frame at intervals, and a turnover mechanism which is arranged between the bed frame and the movable bed board and is used for enabling the movable bed board to act, wherein a hinge is arranged between the fixed bed board and the movable bed board, the turnover mechanism comprises two connecting rod assemblies, an ejector rod, a bottom rod, the electric push rod and two roller assemblies, the two connecting rod assemblies are arranged oppositely and are respectively provided with a bending point, two ends of the electric push rod are respectively connected with the bending points of the two connecting rod assemblies, the ejector rod and the bottom rod are respectively arranged between two ends of the two connecting rod assemblies, the bottom rod is rotatably arranged on the bed frame, each roller assembly comprises a support piece and a plurality of rollers which are arranged on the support piece at intervals, the lower end of the support piece is rotatably connected with the bed frame, the middle part is rotatably connected with the ejector rod, the two bending points can be far away from or close to the ejector rod under the action of the electric push rod, and then the supporting piece rotates downwards or upwards, and finally the movable bed board is turned downwards or upwards, and in the turning process of the movable bed board, different rollers support the movable bed board in sequence.
Furthermore, the connecting rod assembly comprises an upper connecting rod and a lower connecting rod, the lower end of the upper connecting rod is hinged to the upper end of the lower connecting rod to form the bending point, the upper end of the upper connecting rod is rotatably connected with the end part of the ejector rod, and the lower end of the lower connecting rod is rotatably connected with the bottom rod.
Further, the support member comprises two support plates arranged at intervals, each support plate comprises a first inclined part and a second inclined part, the lower end of each first inclined part is rotatably arranged on the bedstead and inclines upwards, the second inclined part is arranged at the upper end of the first inclined part and inclines upwards, the ejector rod is connected with the joint of the first inclined part and the second inclined part, three rollers are arranged between the two support plates at intervals, and the diameters of the rollers arranged between the upper parts of the two first inclined parts, the rollers arranged between the lower parts of the two second inclined parts and the rollers arranged between the end parts of the two third inclined parts are sequentially reduced.
Furthermore, two last connecting rod and the lower connecting rod of linkage are connected through first hinge mechanism and second hinge mechanism respectively, first hinge mechanism includes first base block, set up two first connecting blocks at first base block both ends respectively, run through two first pivots that two first connecting blocks arranged respectively, set up on first base block and supply the electric putter to stretch out end male first mounting groove, second connecting mechanism includes the second base block, set up two second connecting blocks at second base block both ends respectively, run through two second pivots that two second connecting blocks arranged respectively, set up the bulge in order to be connected with the electric putter other end on the second base block.
Furthermore, the bed frame comprises two first supporting rods arranged at intervals, two second supporting rods respectively arranged between two ends of the two first supporting rods, and a third supporting rod arranged between the two second supporting rods.
Furthermore, the two ends of the ejector rod are provided with third connecting pieces bent outwards, and the fourth rotating shaft penetrates through the third connecting pieces and the two supporting plates, so that the supporting pieces can be rotatably arranged at the end parts of the ejector rod.
Further, the first inclined portion and the second inclined portion of the support plate are integrally formed.
The utility model has the following beneficial effects:
1. when the movable bed board is in a horizontal state and is positioned on the same plane with the fixed bed board, the extending end of the electric push rod extends out, the two bending points of the two connecting rod assemblies are farthest, the roller assemblies are positioned at the lowest positions, the innermost roller supports the movable bed board, when the movable bed board needs to be turned upwards, the extending end of the electric push rod contracts to enable the bending points of the two connecting rod assemblies to be close to each other, the ejector rod is driven to be close to the bottom rod, the roller assemblies are driven to rotate upwards, the movable bed board is enabled to be turned upwards greatly, in the initial turning stage, the innermost roller still supports the movable bed board, the force assisting the movable bed board in turning is applied to the movable bed board, along with the increase of the angle between the movable bed board and the bed frame, the roller on the outer side supports the movable bed board and applies the force assisting in turning to the movable bed board, and therefore, the movable bed board is supported by the roller on the outer side until the movable bed board reaches the position with the maximum angle of the bed frame, the activity bed board overturns downwards, then be with the above-mentioned opposite process, two connecting rod groups, ejector pin and sill bar form scissor mechanism, the effort that electric putter produced can be zoomed by scissor mechanism, and wheel components can convert the effort that electric putter produced into the torsion of activity bed board upset, the characteristic of the power of zooming of activity bed board and scissor mechanism is supported through the gyro wheel of upset initial stage and change difference earlier stage, can balance the size of required effort during the upset, can also disperse electric putter's effort to bed body both sides, overall structure's atress characteristic has greatly been optimized, the reliability of increase electric bed structural strength, reduce the operation requirement of the biggest effort of electric putter, thereby make the shared space of tilting mechanism can be littleer, make the electric bed accord with the industry standard requirement.
2. The idler wheels arranged between the upper parts of the two first inclined parts, the idler wheels arranged between the lower parts of the two second inclined parts and the idler wheels arranged between the end parts of the two third inclined parts are gradually reduced, so that the movable bed board can be supported by the idler wheels from inside to outside or the idler wheels from outside to inside in sequence in the overturning process of the movable bed board.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an exploded view of the present invention.
FIG. 3 is a schematic structural view of a connecting rod assembly, an electric push rod and a roller assembly of the present invention.
Fig. 4 is a schematic view of the movable bed board of the present invention in a horizontal state.
Fig. 5 is a schematic view of the movable bed board of the present invention in an early stage of being turned upward.
Fig. 6 is a schematic diagram of the state of the movable bed board in the middle and later periods of upward turning.
Fig. 7 is a schematic view showing a state in which the movable deck of the present invention is turned upward to a position at a maximum angle with respect to the frame.
11, a first supporting rod; 12. a second support bar; 13. a third support bar; 2. fixing the bed plate; 3. A movable bed board; 4. a connecting rod assembly; 41. an upper connecting rod; 42. a lower connecting rod; 43. a first hinge mechanism; 431. A first base block; 432. a first rotating shaft; 433. a first mounting groove; 44. a second hinge mechanism; 441. a second base block; 442. a second rotating shaft; 443. a projection; 5. a top rod; 51. a third connecting sheet; 6. a bottom bar; 61. a first connecting piece; 62. a second connecting sheet; 7. an electric push rod; 8. a roller assembly; 81. a first inclined portion; 82. a second inclined portion; 83. and a roller.
Detailed Description
As shown in fig. 1 to 7, the electric bed for balancing the acting force of the electric push rod includes a bed frame, a fixed bed board 2, a movable bed board 3 and a turnover mechanism, wherein the fixed bed board 2 and the movable bed board 3 are both disposed on the bed frame, the fixed bed board 2 and the movable bed board 3 are hinged to each other by hinges, and the movable bed board 3 can be turned over upward or downward relative to the bed frame. The frame comprises two first support bars 11 arranged at intervals, two second support bars 12 respectively arranged between two ends of the two first support bars 11, and a third support bar 13 arranged between the two second support bars 12.
The turnover mechanism is arranged between the movable bed board 3 and the bed frame so as to enable the movable bed board 3 to be turned upwards or downwards. The turnover mechanism comprises two connecting rod assemblies 4, a top rod 5, a bottom rod 6, an electric push rod 7 and two roller assemblies 8, wherein the two connecting rod assemblies 4 are oppositely arranged and are provided with bending points, two ends of the electric push rod 7 are respectively connected with the bending points of the two connecting rod assemblies 4, the top rod 5 and the bottom rod 6 are respectively arranged between two ends of the two connecting rod assemblies 4, the bottom rod 6 is rotatably arranged on the bedstead, the roller assemblies 8 comprise a support piece and a plurality of rollers 83 which are arranged on the support piece at intervals, the lower end of each roller assembly 8 is rotatably connected with the bedstead, the middle part of each roller assembly is rotatably connected with the top rod 5, the two bending points can be mutually far away or close under the action of the electric push rod 7 so as to drive the top rod 5 to be far away from or close to the bottom rod 6, and then the supporting piece rotates downwards or upwards, and finally the movable bed board 3 is turned downwards or upwards, and different rollers 83 support the movable bed board 3 in sequence during the turning process of the movable bed board 3. In this embodiment, the two bending points are disposed inwardly.
The linkage 4 comprises an upper connecting rod 41 and a lower connecting rod 42, the upper connecting rod 41 and the lower connecting rod 42 of the two linkages 4 are respectively hinged and connected through a first hinge mechanism 43 and a second hinge mechanism 44 to form the bending point, the bending point is the connection point of the upper connecting rod 41 and the lower connecting rod 42, the upper end of the upper connecting rod 41 is rotatably connected with the end part of the top rod 5, and the lower end of the lower connecting rod 42 is rotatably connected with the bottom rod 6. The first hinge mechanism 43 includes a first base block 431, two first connecting blocks respectively disposed at both ends of the first base block 431, two first rotating shafts 432 respectively disposed through the two first connecting blocks, and a first mounting groove 433 disposed on the first base block 431 for insertion of an extending end of the electric putter 7, and the second connecting mechanism includes a second base block 441, two second connecting blocks respectively disposed at both ends of the second base block 441, two second rotating shafts 442 respectively disposed through the two second connecting blocks, and a protrusion 443 disposed on the second base block 441 to be connected with the other end of the electric putter 7. The other end of the power push rod 7 is connected to the protrusion 443 in a specific structure in the prior art.
Both ends of the bottom rod 6 are provided with first connecting piece groups, positions on the third supporting rod 13 corresponding to the two first connecting piece groups are provided with second connecting piece groups, each first connecting piece group comprises two first connecting pieces 61 which are arranged at intervals and extend towards the third supporting rod 13, each second connecting piece group comprises two second connecting pieces 62 which are arranged at intervals and extend towards the bottom rod 6, the two first connecting pieces 61 are located on the inner sides of the two second connecting pieces 62, and the third rotating shaft penetrates through the first connecting piece groups and the second connecting piece groups so that the bottom rod 6 can be rotatably arranged on the third supporting rod 13.
And both ends of the ejector rod 5 are provided with third connecting sheets 51 which are bent outwards, and a fourth rotating shaft passes through the third connecting sheets 51 and the two supporting plates, so that the roller assemblies 8 can be rotatably arranged at the end parts of the ejector rod 5.
The supporting member includes two supporting plates arranged at intervals, the supporting plates include a first inclined portion 81 whose lower end is rotatably provided on the frame and is upwardly inclined, and a second inclined portion 82 which is provided at an upper end of the first inclined portion 81 and is upwardly inclined, and in this embodiment, the first inclined portion 81 and the second inclined portion 82 are integrally formed. The carrier rod 5 is connected to the joint of the first inclined part 81 and the second inclined part 82, three rollers 83 are provided at intervals between the two support plates, the roller 83 is provided between the upper parts of the two first inclined parts 81, the roller 83 is provided between the lower parts of the two second inclined parts 82, and the roller 83 is provided between the end parts of the two third inclined parts, and the parts thereof located outside the upper ends of the support plates are gradually reduced, more specifically, the diameters of the three rollers 83 are sequentially reduced in the present embodiment.
When the movable bed board 3 is in a horizontal state, the movable bed board and the fixed bed board 2 are in the same plane, at this time, the extending end of the electric push rod 7 extends out, the two bending points of the two connecting rod assemblies 4 are farthest, the roller assembly 8 is in the lowest position, and the roller at the innermost side supports the movable bed board, as shown in fig. 4. When the movable bed plate 3 needs to be turned upwards, the extending end of the electric push rod 7 is contracted to enable the bending points of the two connecting rod assemblies 4 to be close to each other, the push rod 5 is driven to be close to the bottom rod 6, the roller assemblies 8 are further driven to rotate upwards, the innermost roller 83 still supports the movable bed plate 3 at the initial turning stage shown in figure 5, the force assisting the movable bed plate 3 to turn is exerted on the movable bed plate 3, along with the increase of the angle between the movable bed plate 3 and the bedstead, the outer roller 83 supports the movable bed plate 3 and applies the force assisting the turning to the movable bed plate 3, and therefore the movable bed plate 3 reaches the position with the largest angle with the bedstead, and as shown in figure 7, the outermost roller 83 supports the movable bed plate 3.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims and their equivalents and modifications within the scope of the description.
Claims (7)
1. The utility model provides an electric bed of balanced electric putter effort which characterized in that: comprises a bedstead, a fixed bed board and a movable bed board which are arranged on the bedstead at intervals, and a turnover mechanism which is arranged between the bedstead and the movable bed board and is used for driving the movable bed board to act, wherein a hinge is arranged between the fixed bed board and the movable bed board, the turnover mechanism comprises two connecting rod assemblies, a top rod, a bottom rod, an electric push rod and two roller assemblies, the two connecting rod assemblies are arranged oppositely and are respectively provided with a bending point, two ends of the electric push rod are respectively connected with the bending points of the two connecting rod assemblies, the top rod and the bottom rod are respectively arranged between two ends of the two connecting rod assemblies, the bottom rod is rotatablely arranged on the bedstead, the roller assemblies comprise a support piece and a plurality of rollers which are arranged on the support piece at intervals, the lower end of the support piece is rotatablely connected with the bedstead, the middle part of the support piece is rotatablely connected with the top rod, the two bending points can be far away from or close to the top rod so as to drive the top rod to be far away from or close to the bottom rod, and further drive the support piece to rotate downwards or upwards, finally, the movable bed board is turned downwards or upwards, and different rollers support the movable bed board in sequence in the turning process of the movable bed board.
2. The electric bed for balancing electric putter forces of claim 1 wherein: the connecting rod assembly comprises an upper connecting rod and a lower connecting rod, the lower end of the upper connecting rod is hinged with the upper end of the lower connecting rod to form the bending point, the upper end of the upper connecting rod is rotatably connected with the end part of the ejector rod, and the lower end of the lower connecting rod is rotatably connected with the bottom rod.
3. The electric bed for balancing electric putter forces of claim 1 wherein: the support piece comprises two supporting plates which are arranged at intervals, the supporting plates comprise first inclined parts and second inclined parts, the lower ends of the first inclined parts are rotatably arranged on the bedstead and incline upwards, the second inclined parts are arranged at the upper ends of the first inclined parts and incline upwards, the ejector rods are connected with the joints of the first inclined parts and the second inclined parts, three rollers are arranged between the two supporting plates at intervals, the diameters of the rollers arranged between the upper parts of the two first inclined parts, the rollers arranged between the lower parts of the two second inclined parts and the rollers arranged between the end parts of the two third inclined parts are sequentially reduced.
4. The electric bed for balancing electric putter forces of claim 2 wherein: two the last connecting rod and the lower connecting rod of linkage are connected through first hinge mechanism and second hinge mechanism respectively, first hinge mechanism includes first base block, set up two first connecting blocks at first base block both ends respectively, run through two first pivots that two first connecting blocks arranged respectively, set up on first base block and supply the electric putter to stretch out end male first mounting groove, second connecting mechanism includes the second base block, set up two second connecting blocks at second base block both ends respectively, run through two second pivots that two second connecting blocks arranged respectively, set up the bulge in order to be connected with the electric putter other end on the second base block.
5. An electric bed for balancing the force of electric pushrods according to claim 1, 2, 3 or 4, wherein: the bedstead comprises two first supporting rods arranged at intervals, two second supporting rods respectively arranged between two ends of the two first supporting rods, and a third supporting rod arranged between the two second supporting rods.
6. A bed according to claim 3 or 4 wherein the bed is adapted to balance the forces of the electric pushrods, wherein: and third connecting pieces bent outwards are arranged at the two ends of the ejector rod, and the fourth rotating shaft penetrates through the third connecting pieces and the two supporting plates so that the supporting pieces can be rotatably arranged at the end part of the ejector rod.
7. A bed as claimed in claim 3 wherein the electric bed is adapted to balance the force of the electric push rods, wherein: the first inclined portion and the second inclined portion of the support plate are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123138108.1U CN216797105U (en) | 2021-12-14 | 2021-12-14 | Electric bed capable of balancing acting force of electric push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123138108.1U CN216797105U (en) | 2021-12-14 | 2021-12-14 | Electric bed capable of balancing acting force of electric push rod |
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| Publication Number | Publication Date |
|---|---|
| CN216797105U true CN216797105U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123138108.1U Active CN216797105U (en) | 2021-12-14 | 2021-12-14 | Electric bed capable of balancing acting force of electric push rod |
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| CN (1) | CN216797105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023001049A1 (en) * | 2021-07-19 | 2023-01-26 | 麒盛科技股份有限公司 | Bed board support structure and electric bed |
-
2021
- 2021-12-14 CN CN202123138108.1U patent/CN216797105U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023001049A1 (en) * | 2021-07-19 | 2023-01-26 | 麒盛科技股份有限公司 | Bed board support structure and electric bed |
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