CN110693233B - A three-slide two-stage transmission vertical lifting structure - Google Patents
A three-slide two-stage transmission vertical lifting structure Download PDFInfo
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- CN110693233B CN110693233B CN201911030301.8A CN201911030301A CN110693233B CN 110693233 B CN110693233 B CN 110693233B CN 201911030301 A CN201911030301 A CN 201911030301A CN 110693233 B CN110693233 B CN 110693233B
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- pin shaft
- frame
- bed frame
- slide
- rotatably mounted
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/04—Extensible bedsteads, e.g. with adjustment of length, width, height
- A47C19/045—Extensible bedsteads, e.g. with adjustment of length, width, height with entire frame height or inclination adjustments
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Abstract
本发明提出一种三滑槽两级传动垂直升降结构，床框底端的前后两侧分别都设有第二床框滑槽，底座的前后两侧分别设有底座滑槽；第一支撑升降机构至少包括第一支撑架，第一支撑架左端通过销轴座转动安装于底座左侧，第一支撑架的右端通过第一销轴及端部安装轴承轮安装于第二床框滑槽内，且第一支撑架的前后两侧还设有第一滑槽；第二支撑升降机构至少包括第二支撑架，第二支撑架右端两侧分别通过底座销轴及端部安装轴承轮安装于底座滑槽内，第二支撑架的左端通过第四销轴及端部安装轴承轮安装于第二床框滑槽内，且第二支撑架的前后两侧还设有第二滑槽。本发明通过第一支撑升降机构和第二支撑升降机构的二级传动，可以实现床框垂直升降的目的。
The present invention proposes a three-slide two-stage transmission vertical lifting structure, wherein the front and rear sides of the bottom end of the bed frame are respectively provided with a second bed frame slide, and the front and rear sides of the base are respectively provided with a base slide; the first support lifting mechanism at least includes a first support frame, the left end of the first support frame is rotatably installed on the left side of the base through a pin shaft seat, the right end of the first support frame is installed in the second bed frame slide through a first pin shaft and an end-mounted bearing wheel, and the front and rear sides of the first support frame are also provided with a first slide; the second support lifting mechanism at least includes a second support frame, the right ends of the second support frame are respectively installed in the base slide through a base pin shaft and an end-mounted bearing wheel, the left end of the second support frame is installed in the second bed frame slide through a fourth pin shaft and an end-mounted bearing wheel, and the front and rear sides of the second support frame are also provided with a second slide. The present invention can achieve the purpose of vertical lifting of the bed frame through the two-stage transmission of the first support lifting mechanism and the second support lifting mechanism.
Description
Technical Field
The invention relates to a three-chute two-stage transmission vertical lifting structure.
Background
The existing lifting structure has the defects of scissor type, gear rack type, steel wire rope type, poor bearing capacity, large component deformation, large vibration of a machine body, poor running stability, high pressure value of a hydraulic system and the like in the working process, is limited in practical application, and meanwhile, is difficult to control the lifting structure to make completely vertical lifting motion.
Disclosure of Invention
In order to solve the problems, the invention provides a three-chute two-stage transmission vertical lifting structure, which can realize the purpose of vertical lifting of a bed frame through two-stage transmission of a first support lifting mechanism and a second support lifting mechanism.
The technical scheme of the invention is realized as follows:
The three-chute two-stage transmission vertical lifting structure comprises a first support lifting mechanism and a second support lifting mechanism which are symmetrically arranged and connected between a bed frame 1 and a base 2, wherein the front side and the rear side of the bottom end of the bed frame 1 are respectively provided with a second bed frame chute 4, and the front side and the rear side of the base 2 are respectively provided with a base chute 5;
The first supporting lifting mechanism at least comprises a first supporting frame 81, the left end of the first supporting frame 81 is rotatably arranged on the left side of the base 2 through a pin shaft seat, the right end of the first supporting frame 81 is arranged in the second bed frame sliding groove 4 through a first pin shaft and an end part mounting bearing wheel 91, and the front side and the rear side of the first supporting frame 81 are also provided with first sliding grooves 71;
The second supporting and lifting mechanism at least comprises a second supporting frame 82, two sides of the right end of the second supporting frame 82 are respectively installed in the base sliding groove 5 through a base pin shaft and an end installation bearing wheel 10, the left end of the second supporting frame 82 is installed in the second bed frame sliding groove 4 through a fourth pin shaft and an end installation bearing wheel 92, and two sides of the front and rear of the second supporting frame 82 are also provided with second sliding grooves 72.
Preferably, the front and back sides of the bottom end of the bed frame 1 are respectively provided with parallel first bed frame sliding grooves 3, one ends of two first connecting rods 31 are respectively rotatably installed on the front and back sides of the left end of the bed frame 1 through pin shaft seats, one ends of two second connecting rods 41 are respectively correspondingly installed in the first bed frame sliding grooves 3 through second pin shafts and end installation bearing wheels 121, one ends of two third connecting rods 61 are respectively correspondingly installed in the two first sliding grooves 71 through third pin shafts and end installation bearing wheels 111, and a first connecting frame 131 is arranged between the two third connecting rods 61;
The other ends of the two second connecting rods 41 are rotatably mounted on a second pin shaft and a pin shaft of an end portion mounting bearing wheel 121, the other ends of the first connecting rods 31 are rotatably mounted on the second connecting rods 41 through pin shafts, the other ends of the second connecting rods 41 are rotatably mounted on the first supporting frame 81 through pin shafts, the first electric telescopic rods 51 are rotatably mounted on the bed frame 1 through pin shaft seats, and telescopic ends of the first electric telescopic rods 51 are rotatably mounted on the first connecting frames 131 through pin shaft seats.
Preferably, the front and back sides of the bottom end of the bed frame 1 are respectively provided with a first bed frame chute 3 in parallel, one ends of two fourth connecting rods 32 are respectively rotatably arranged on the front and back sides of the right end of the bed frame 1 through pin shaft seats, one ends of two fifth connecting rods 42 are respectively correspondingly arranged in the first bed frame chute 3 through fifth pin shafts and end mounting bearing wheels 122, one ends of two sixth connecting rods 62 are respectively correspondingly arranged in two second chute 72 through sixth pin shafts and end mounting bearing wheels 112, and a second connecting frame 132 is arranged between the two sixth connecting rods 62;
The other ends of the two fifth connecting rods 42 are rotatably mounted on a fifth pin shaft and a pin shaft of which the end portions are provided with bearing wheels 122, the other ends of the fourth connecting rods 32 are rotatably mounted on the fifth connecting rods 42 through pin shafts, the other ends of the fifth connecting rods 42 are rotatably mounted on the second supporting frame 82 through pin shafts, the second electric telescopic rods 52 are rotatably mounted on the bed frame 1 through pin shaft seats, and telescopic ends of the second electric telescopic rods 52 are rotatably mounted on the second connecting frames 132 through pin shaft seats.
Preferably, the first chute 71 and the second chute 72 are both U-shaped and open towards the end remote from the base 2.
Preferably, the first electric telescopic rod 51 is positioned on the right side of the bed frame with the telescopic end facing the left side, and the second electric telescopic rod 52 is positioned on the left side of the bed frame with the telescopic end facing the right side.
The invention has the beneficial effects that the third connecting rod and the sixth connecting rod are respectively pushed towards the two ends through the telescopic movement of the two electric telescopic rods, so that the second connecting rod and the fifth connecting rod move in opposite directions in the first bed frame sliding groove, the third connecting rod and the sixth connecting rod also respectively slide in the first sliding groove and the second sliding groove, the first supporting frame and the second supporting frame are driven to rotate around the pin shaft seat to be in a lifting state respectively, the purpose of primary transmission lifting is realized, then one end of the first supporting frame rotates around the pin shaft seat on the base, the other end of the first supporting frame slides in the left direction (namely the direction of the illustrated bed tail) of the second bed frame sliding groove, the other end of the sixth connecting rod cannot slide in the first sliding groove (reaching the limit bottom) so as to drive the second supporting frame to slide in the direction of the bed tail of the base, and one end connected with the second bed frame sliding groove slides towards the bed head, thus forming the secondary transmission lifting. The whole lifting process realizes two-stage vertical transmission, and ensures the lifting stability and verticality.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded view of the structure of the present invention.
Fig. 2 is a schematic view of the invention when it is lowered to its minimum.
FIG. 3 is a schematic view of the present invention in a primary drive up.
FIG. 4 is a schematic view of the present invention in a two stage drive up.
Fig. 5 is an enlarged view at a in fig. 4.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The three-chute two-stage transmission vertical lifting structure shown in fig. 1-5 comprises a first support lifting mechanism and a second support lifting mechanism which are symmetrically arranged and connected between a bed frame 1 and a base 2, wherein the front side and the rear side of the bottom end of the bed frame 1 are respectively provided with a second bed frame chute 4, the front side and the rear side of the base 2 are respectively provided with a base chute 5, the first support lifting mechanism at least comprises a first support frame 81, the left end of the first support frame 81 is rotatably arranged on the left side of the base 2 through a pin shaft seat, the right end of the first support frame 81 is arranged in the second bed frame chute 4 through a first pin shaft and an end mounting bearing wheel 91, the front side and the rear side of the first support frame 81 are also provided with a first chute 71, the second support lifting mechanism at least comprises a second support frame 82, the right end of the second support frame 82 is respectively arranged in the base chute 5 through a base pin shaft and an end mounting bearing wheel 10, the left end of the second support frame 82 is arranged in the second bed frame chute 4 through a fourth pin shaft and an end mounting bearing wheel 92, and the front side and rear side of the second support frame 82 are also provided with a second chute 72.
In the embodiment, the front and back sides of the bottom end of the bed frame 1 are respectively provided with parallel first bed frame sliding grooves 3, one ends of two first connecting rods 31 are respectively rotatably arranged on the front and back sides of the left end of the bed frame 1 through pin shaft seats, one ends of two second connecting rods 41 are respectively correspondingly arranged in the first bed frame sliding grooves 3 through second pin shafts and end mounting bearing wheels 121, one ends of two third connecting rods 61 are respectively correspondingly arranged in the two first sliding grooves 71 through third pin shafts and end mounting bearing wheels 111, and a first connecting frame 131 is arranged between the two third connecting rods 61;
The other ends of the two second connecting rods 41 are rotatably mounted on a second pin shaft and a pin shaft of an end portion mounting bearing wheel 121, the other ends of the first connecting rods 31 are rotatably mounted on the second connecting rods 41 through pin shafts, the other ends of the second connecting rods 41 are rotatably mounted on the first supporting frame 81 through pin shafts, the first electric telescopic rods 51 are rotatably mounted on the bed frame 1 through pin shaft seats, and telescopic ends of the first electric telescopic rods 51 are rotatably mounted on the first connecting frames 131 through pin shaft seats.
In the embodiment, the front and rear sides of the bottom end of the bed frame 1 are respectively provided with a parallel first bed frame chute 3, one ends of two fourth connecting rods 32 are respectively rotatably arranged on the front and rear sides of the right end of the bed frame 1 through pin shaft seats, one ends of two fifth connecting rods 42 are respectively correspondingly arranged in the first bed frame chute 3 through fifth pin shafts and end mounting bearing wheels 122, one ends of two sixth connecting rods 62 are respectively correspondingly arranged in two second chute 72 through sixth pin shafts and end mounting bearing wheels 112, and a second connecting frame 132 is arranged between the two sixth connecting rods 62;
The other ends of the two fifth connecting rods 42 are rotatably mounted on a fifth pin shaft and a pin shaft of which the end portions are provided with bearing wheels 122, the other ends of the fourth connecting rods 32 are rotatably mounted on the fifth connecting rods 42 through pin shafts, the other ends of the fifth connecting rods 42 are rotatably mounted on the second supporting frame 82 through pin shafts, the second electric telescopic rods 52 are rotatably mounted on the bed frame 1 through pin shaft seats, and telescopic ends of the second electric telescopic rods 52 are rotatably mounted on the second connecting frames 132 through pin shaft seats.
In this embodiment, the first chute 71 and the second chute 72 are both U-shaped and open towards one end far away from the base 2, the first electric telescopic rod 51 is located on the right side of the bed frame and the telescopic end is located on the left side, and the second electric telescopic rod 52 is located on the left side of the bed frame and the telescopic end is located on the right side.
The invention has the specific working state that when the lifting key of the whole bed is pressed, the first support lifting mechanism and the second support lifting mechanism respectively start first-stage transmission.
In the first supporting and lifting mechanism, the telescopic end of the electric telescopic rod 51 extends to push the second connecting rod 41 to move, and then slides in the direction of the bed tail in the first bed frame sliding chute 3 through the second pin shaft and the end mounting bearing wheel 121, the third pin shaft and the end mounting bearing wheel 111 of the third connecting rod 61 slide in the direction of the bed tail in the first sliding chute 71 of the first supporting frame 81 (shown as downward sliding towards the bed tail), meanwhile, the left end of the first supporting frame 81 rotates at one end of the base 2, the other end moves in the direction of the bed tail on the second bed frame sliding chute 4 through the first pin shaft and the end mounting bearing wheel 91, at the moment, the second supporting and lifting mechanism has a similar movement relationship to the first supporting structure, and extends in the direction of the bed head through the telescopic end of the second electric telescopic rod 52, but one end of the second supporting frame 82 slides in the direction of the bed head in the base sliding chute 5, and the other end slides in the direction of the bed tail through the fourth pin shaft and the end mounting bearing wheel 92. The first stage transmission vertical lifting is formed in the whole process by the fact that the whole first support lifting mechanism and the second support lifting mechanism are in the lifting and stretching postures, namely the bed frame is driven to vertically lift.
When the whole bed continues to ascend, the third pin shaft and end part mounting bearing wheel 111 of the third connecting rod 61 in the first supporting mechanism slides to the tail end of the first chute 71 and does not slide any more, the first supporting frame 81 slowly ascends, the second pin shaft and end part mounting bearing wheel 121 on the second connecting rod 41 cannot slide in the first frame chute 3, and similarly, the sixth pin shaft and end part mounting bearing wheel 112 of the sixth connecting rod 62 in the second supporting mechanism slides to the tail end of the second chute 72 and does not slide any more, the second supporting frame 82 slowly ascends, and the fifth pin shaft and end part mounting bearing wheel 122 on the fifth connecting rod 42 cannot slide in the first frame chute 3 and enter the secondary transmission.
The whole bed continues to rise, the first support frame 81 is connected with the base part to rotate, the first pin shaft of the first support frame 81 is connected with the second bed frame chute 4, and the end part mounting bearing wheel 91 rotates relatively and slides towards the tail of the bed, meanwhile, the second support frame 82 is connected with the base pin shaft of the base chute 5, the end part mounting bearing wheel 10 rotates and slides towards the tail of the bed, the fourth pin shaft of the second bed frame chute 4 is connected with the end part mounting bearing wheel 92 rotates relatively and slides towards the head of the bed, and the two-stage transmission is realized, and only two chutes slide until the whole bed rises to the highest.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030301.8A CN110693233B (en) | 2019-10-28 | 2019-10-28 | A three-slide two-stage transmission vertical lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030301.8A CN110693233B (en) | 2019-10-28 | 2019-10-28 | A three-slide two-stage transmission vertical lifting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110693233A CN110693233A (en) | 2020-01-17 |
| CN110693233B true CN110693233B (en) | 2025-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911030301.8A Active CN110693233B (en) | 2019-10-28 | 2019-10-28 | A three-slide two-stage transmission vertical lifting structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006474B (en) * | 2020-09-09 | 2024-12-06 | 浙江工业大学 | Bionic cradle |
| CN112438854A (en) * | 2020-12-17 | 2021-03-05 | 山东航维骨科医疗器械股份有限公司 | Multifunctional operating bed |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520065A (en) * | 2008-02-29 | 2009-09-02 | 王正宗 | Telescopic frame |
| CN107049648A (en) * | 2017-04-27 | 2017-08-18 | 厚福医疗装备有限公司 | The whole bed lifting structure of five connecting rod matrixes |
| CN211673364U (en) * | 2019-10-28 | 2020-10-16 | 厚福医疗装备有限公司 | Three-chute two-stage transmission vertical lifting structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991493B (en) * | 2010-12-06 | 2012-05-30 | 杭州顿力医疗器械股份有限公司 | Integral lifting type domestic nursing bed and front and back bed surface leveling method |
| CN102599756B (en) * | 2012-03-20 | 2014-04-16 | 太仓世源金属制品有限公司 | Electric lifting bed |
| DE202015103730U1 (en) * | 2015-07-16 | 2016-10-18 | Vauth-Sagel Holding Gmbh & Co. Kg | Underframe for bed frame and bed with bed frame and underframe |
-
2019
- 2019-10-28 CN CN201911030301.8A patent/CN110693233B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520065A (en) * | 2008-02-29 | 2009-09-02 | 王正宗 | Telescopic frame |
| CN107049648A (en) * | 2017-04-27 | 2017-08-18 | 厚福医疗装备有限公司 | The whole bed lifting structure of five connecting rod matrixes |
| CN211673364U (en) * | 2019-10-28 | 2020-10-16 | 厚福医疗装备有限公司 | Three-chute two-stage transmission vertical lifting structure |
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| CN110693233A (en) | 2020-01-17 |
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Denomination of invention: A three-groove two-stage vertical lifting structure Granted publication date: 20250214 Pledgee: Industrial and Commercial Bank of China Limited Xianning Branch Pledgor: HOUFU MEDICAL EQUIPMENT Co.,Ltd. Registration number: Y2025980052275 |