CN220227718U - Nursing bed and transmission assembly thereof - Google Patents
Nursing bed and transmission assembly thereof Download PDFInfo
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- CN220227718U CN220227718U CN202321614981.XU CN202321614981U CN220227718U CN 220227718 U CN220227718 U CN 220227718U CN 202321614981 U CN202321614981 U CN 202321614981U CN 220227718 U CN220227718 U CN 220227718U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- 230000000474 nursing effect Effects 0.000 title claims abstract description 23
- 230000000712 assembly Effects 0.000 claims abstract description 23
- 238000000429 assembly Methods 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000009776 industrial production Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The application discloses nursing bed and drive assembly thereof relates to the field of medical instrument, has solved among the prior art, and different countries, regional industrial production standard can be different, and leads to first gear, the second gear meshing relationship at actuating lever both ends inconsistent, and then leads to two head of a bed to go up and down to appear the condition of opposite direction. The transmission assembly comprises a driving rod and a driving piece, the two lifting assemblies are respectively connected to two ends of the driving rod, one end of the driving rod is connected with a first gear, and the lifting assemblies comprise a second gear which is used for being meshed and matched with the first gear; the drive rod comprises a first rod and a second rod, the reversing piece comprises a shell connected to the bottom of the bedstead, a third gear rotationally connected in the shell and a fourth gear rotationally connected in the shell and meshed with the third gear, one end of the first rod, far away from the lifting assembly, is connected with the fourth gear, and one end of the second rod, far away from the lifting assembly, is detachably connected with any one of the third gear and the fourth gear.
Description
Technical Field
The application relates to the field of medical equipment, in particular to a nursing bed and a transmission assembly thereof.
Background
Chinese patent literature (application number: 202320105743. X) discloses a nursing bed, the nursing bed includes bedstead and two head of a bed portions, the both ends of bedstead are connected respectively in two head of a bed portions, the head of a bed portion is supported in ground through two landing legs, the nursing bed still includes the actuating lever, actuating member and two lifting assembly, the head of a bed is the framework, the framework has the chamber of holding, the both ends of actuating lever rotate respectively and connect in the outer wall of two frameworks, and the actuating lever is located the bottom of framework, lifting assembly includes the lead screw, lifting part, locating part and two haulage ropes, the lead screw is located the chamber of holding, the lead screw is arranged along vertical direction, the both ends of lead screw rotate respectively and connect in two inner walls that hold opposite setting of chamber, the lead screw is close to the one end of actuating lever and wears out the chamber of holding, and wear out the end and actuating lever and pass through gear assembly transmission connection.
As shown in fig. 1 (fig. 10 of the drawings of the above patent document description), the gear assembly comprises a first gear 31 connected to the outer peripheral wall of the driving rod, and a second gear 44 connected to the lifting assembly 3 and used for meshing engagement with the first gear 31, the driving rod rotates to drive the first gear 31 to rotate, and the first gear 31 rotates to drive the lifting assembly 3 to lift through the second gear 44; with the use of the nursing bed, parts of the nursing bed are damaged and need to be replaced, however, the industrial production standards adopted by different countries and regions may be different, so that local parts suppliers may use parts with different standards for maintenance replacement, for example, the position of the driving rod connected with the first gear 31 is different (the position close to the driving piece 5 or the position far away from the driving piece 5, the position of the first gear 31 is the position far away from the driving piece 5 in fig. 1), the meshing relationship of the first gear 31 and the second gear 44 is changed, namely, the driving rod rotates clockwise, the connection position of the first gear 31 is different, the second gear 44 rotates clockwise, or rotates anticlockwise, and if the first gears 31 at two ends of the driving rod are not replaced at the same time, the lifting assembly 3 at two ends of the driving rod may be caused to present different lifting directions.
Disclosure of Invention
For this reason, this application provides a nursing bed and drive assembly thereof, has solved among the prior art, and different countries, regional industrial production standard can be different, and lead to first gear, the second gear meshing relationship at actuating lever both ends inconsistent, and then lead to two head of a bed to go up and down to appear the condition of opposite direction.
In order to achieve the above object, the present application provides the following technical solutions:
the nursing bed comprises a bed frame, two bed heads connected to the end parts of the bed frame respectively, two lifting assemblies connected to the bed heads and a transmission assembly connected to the bed frame, wherein the two bed heads and the two lifting assemblies are in one-to-one correspondence, the transmission assembly is used for driving the bed heads to lift through the lifting assemblies, the transmission assembly comprises a driving rod connected to the bottom of the bed frame, a driving piece connected to one end of the driving rod and used for driving the driving rod to rotate, the two lifting assemblies are connected to the two ends of the driving rod respectively, a first gear is connected to the peripheral wall of one end of the driving rod, and the lifting assembly comprises a second gear which is used for being meshed and matched with the first gear;
the driving rod comprises a first rod and a second rod connected to one end of the first rod through a reversing piece, the first rod and the second rod are respectively in one-to-one correspondence with the two lifting assemblies, the reversing piece comprises a shell connected to the bottom of the bedstead, a third gear rotationally connected to the shell, and a fourth gear rotationally connected to the shell and meshed with the third gear, one end of the first rod, far away from the lifting assemblies, is connected to the fourth gear, and one end of the second rod, far away from the lifting assemblies, is detachably connected to any one of the third gear and the fourth gear.
Preferably, the third gear and the fourth gear are all coaxially connected with a connecting rod, an accommodating groove for accommodating the connecting rod is formed in one end of the second rod, one end, away from the third gear and the fourth gear, of the connecting rod is connected with a limiting rod, the limiting rod is perpendicular to the central axis of the connecting rod, and a positioning groove for embedding the limiting rod is formed in the end portion of the second rod.
Preferably, the shell is connected with two limiting rings, limiting grooves for accommodating the connecting rods and the limiting rods are formed in the surrounding mode of the limiting rings and the shell, and the two limiting rings correspond to the two connecting rods one by one.
Preferably, the second rod comprises a first section connected to the connecting rod, a second section connected to the first section and far away from one end of the connecting rod, and a third section connected to the second section and far away from one end of the first section, a first penetrating hole for embedding the first section is formed in one end of the second section, a second penetrating hole for accommodating an elastic piece is formed in one end of the first section, a first limiting piece for limiting the elastic piece to move towards the connecting rod is connected to one end of the elastic piece, the other end of the elastic piece stretches into the second penetrating hole, a second limiting piece for limiting the elastic piece to move towards the third section is connected to one end of the second penetrating hole, the second section is connected to the third section through a rotating shaft, and a first gear for being meshed with the second gear is connected to the third section.
Preferably, the first section and the second section are square hollow tubes, and the third section is a cylindrical rod.
Preferably, the length of the second rod is greater than the length of the first rod.
Preferably, the bottom of the bed frame is connected with a limiting plate, the limiting plate is provided with a limiting hole for penetrating the second rod, and the cross-sectional area of the limiting hole is larger than that of the second rod.
The application also discloses a nursing bed, including bedstead, two connect respectively in the head of a bed portion of bedstead tip, two connect in the lifting unit of head of a bed portion with connect in the drive assembly of bedstead, drive assembly is the drive assembly of nursing bed as described above.
The application has the following advantages:
after the first rod or the second rod is replaced by a user, when the meshing of the first gears and the second gears at the two ends of the driving rod is inconsistent, the second rod can be adjusted, so that the second rod is selectively connected with the third gear or the fourth gear, and as the third gear or the fourth gear is meshed with each other, the rotation directions of the third gear and the fourth gear are just opposite, so that the different rotation directions of the first rod and the second rod can be adjusted, and the problem of inconsistent meshing of the first gears and the second gears at the two ends of the driving rod is further solved, so that the device is suitable for replacing different parts (different connection positions of the first gear); when the first gears at the two ends of the driving rod need to be replaced, only the first rod or the second rod needs to be replaced.
Drawings
For a more visual illustration of the prior art and the present application, several exemplary drawings are presented below. It should be understood that the specific shape and configuration shown in the drawings should not be considered in general as limiting upon the practice of the present application; for example, based on the technical concepts and exemplary drawings disclosed herein, those skilled in the art have the ability to easily make conventional adjustments or further optimizations for the add/subtract/assign division, specific shapes, positional relationships, connection modes, dimensional scaling relationships, etc. of certain units (components).
FIG. 1 is a schematic view of a portion of a gear assembly of a nursing bed according to the prior art;
FIG. 2 is a schematic view of a portion of a nursing bed according to an embodiment of the present disclosure;
FIG. 3 is another view of FIG. 2;
FIG. 4 is a schematic view of a portion of a transmission assembly of a nursing bed according to one embodiment of the present disclosure;
fig. 5 is an enlarged view at a in fig. 4;
FIG. 6 is a schematic view of a portion of the structure of FIG. 4;
FIG. 7 is an exploded view of a portion of the structure of FIG. 6;
FIG. 8 is an enlarged view of FIG. 7 at B;
fig. 9 is an enlarged view of fig. 8 at C.
Reference numerals illustrate:
1. a bed frame; 11. a limiting plate; 111. a limiting hole; 2. a bed head; 3. a lifting assembly; 31. a first gear; 4. a transmission assembly; 41. a first lever; 42. a second lever; 421. a first section; 4211. a positioning groove; 422. a second section; 4212. an elastic member; 423. a third section; 43. a reversing piece; 431. a housing; 432. a limiting ring; 4321. a limit groove; 433. a third gear; 434. a fourth gear; 435. a connecting rod; 4351. a limit rod; 44. a second gear; 5. a driving member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
In the description of the present application: the terms "inner", "outer" refer to the inner and outer of the respective component profiles; the terms "first," "second," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed but inherent to such process, method, article, or apparatus or adding steps or elements based on further optimization of the inventive concept.
Referring to fig. 2-8, the application discloses a transmission assembly of a nursing bed, the nursing bed comprises a bed frame 1, two bed heads 2 respectively connected to the end parts of the bed frame 1, two lifting assemblies 3 connected to the bed heads 2 and a transmission assembly 4 connected to the bed frame 1, the two bed heads 2 and the two lifting assemblies 3 are in one-to-one correspondence, the transmission assembly 4 is used for driving the bed head 2 to lift through the lifting assemblies 3, the transmission assembly 4 comprises a driving rod connected to the bottom of the bed frame 1, a driving piece 5 connected to one end of the driving rod and used for driving the driving rod to rotate, the two lifting assemblies 3 are respectively connected to two ends of the driving rod, a first gear 31 is connected to the peripheral wall of one end of the driving rod, and the lifting assemblies 3 comprise a second gear 44 which is used for meshing and matching with the first gear 31;
the driving rod comprises a first rod 41 and a second rod 42 connected to one end of the first rod 41 through a reversing piece 43, the first rod 41 and the second rod 42 are respectively in one-to-one correspondence with the two lifting assemblies 3, the reversing piece 43 comprises a shell 431 connected to the bottom of the bed frame 1, a third gear 433 rotatably connected to the shell 431 and a fourth gear 434 rotatably connected to the shell 431 and meshed with the third gear 433, one end of the first rod 41, far away from the lifting assemblies 3, is connected to the fourth gear 434, and one end of the second rod 42, far away from the lifting assemblies 3, is detachably connected to any one of the third gear 433 and the fourth gear 434.
After the user replaces the first rod 41 or the second rod 42, when the meshing of the first gear 31 and the second gear 44 at two ends of the driving rod is inconsistent, the second rod 42 can be adjusted, so that the second rod 42 is selectively connected with the third gear 433 or the fourth gear 434, and as the third gear 433 or the fourth gear 434 is meshed, the rotation directions of the third gear 433 and the fourth gear 434 are opposite, so that the different rotation directions of the first rod 41 and the second rod 42 can be adjusted, and the problem that the meshing of the first gear 31 and the second gear 44 at two ends of the driving rod is inconsistent is solved, and the replacement of different parts (different connection positions of the first gear 31) is applicable; when the first gears 31 at the two ends of the driving rod need to be replaced, only the first rod 41 or the second rod 42 needs to be replaced.
The specific manner and principle of the meshing engagement of the first gear 31 and the second gear 44 are the prior art (chinese patent document; application number: 202320105743. X), and will not be described in detail in this application. A step of
The driving member 5 may be a handle or a motor.
Referring to fig. 4 to 9, the third gear 433 and the fourth gear 434 are coaxially connected with a connecting rod 435, an accommodating groove for accommodating the connecting rod 435 is provided at one end of the second rod 42, one end of the connecting rod 435 far away from the third gear 433 and the fourth gear 434 is connected with a limiting rod 4351, the limiting rod 4351 is perpendicular to the central axis of the connecting rod 435, and a positioning groove 4211 for embedding the limiting rod 4351 is provided at the end of the second rod 42. The third gear 433 and the fourth gear 434 are connected with the second rod 42 through the connecting rod 435, and only the limiting rod 4351 at one end of the connecting rod 435 is needed to be embedded into the positioning groove 4211 to realize connection.
The casing 431 is connected with two limiting rings 432, limiting grooves 4321 for accommodating the connecting rods 435 and the limiting rods 4351 are formed by the limiting rings 432 and the casing 431 in a surrounding mode, and the two limiting rings 432 are in one-to-one correspondence with the two connecting rods 435. The groove wall of the limiting groove 4321 can limit the second lever 42 from being separated from the connection lever 435.
The second rod 42 includes a first section 421 connected to the connecting rod 435, a second section 422 connected to an end of the first section 421 far away from the connecting rod 435, and a third section 423 connected to an end of the second section 422 far away from the first section 421, a first through hole for embedding the first section 421 is formed at an end of the second section 422, a second through hole for accommodating the elastic member 4212 is formed at an end of the first section 421, a first limiting member for limiting the movement of the elastic member 4212 toward the connecting rod 435 is connected to an end of the elastic member 4212 near the first section 421, the other end of the elastic member 4212 extends into the second through hole, a second limiting member for limiting the movement of the elastic member 4212 toward the third section 423 is connected to an end of the elastic member 4212 extending into the second through hole, the second section 422 is rotatably connected to the third section 423 through a rotation shaft, and the third section 423 is connected with the first gear 31 for meshing with the second gear 44. The elastic member 4212 can make the first section 421 abut against the connecting rod 435 (the positioning groove 4211 is formed in the first section 421), the elastic member 4212 also facilitates the first section 421 to be taken down from the limiting groove 4321, that is, the first section 421 is manually pulled to move towards the second section 422, that is, the first section 421 can be taken down from the limiting groove 4321 and can be mounted on the connecting rod 435 of the other limiting groove 4321, the second section 422 is rotatably connected to the third section 423 by the rotating shaft, the position of the third section 423 does not need to be changed, thus the position of the first gear 31 connected to the third section 423 is stable, and the meshing relationship between the first gear 31 and the second gear 44 is relatively stable.
The first section 421 and the second section 422 are square hollow tubes, and the third section 423 is a cylindrical rod.
The length of the second rod 42 is greater than the length of the first rod 41.
The bottom of the bedstead 1 is connected with the limiting plate 11, the limiting plate 11 is provided with a limiting hole 111 for penetrating the second rod 42, and the cross-sectional area of the limiting hole 111 is larger than that of the second rod 42. When the connection of the second lever 42 with the third gear 433 or the fourth gear 434 is unstable, the stopper plate 11 can prevent the second lever 42 from falling directly to the ground, resulting in damage to the second lever 42.
The application also discloses a nursing bed, including bedstead 1, two connect respectively in the head of a bed portion 2 of bedstead 1 tip, two lift assembly 3 and the drive assembly 4 of being connected in bedstead 1 of being connected in head of a bed portion 2, drive assembly 4 is the drive assembly 4 of nursing bed above.
Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.
The foregoing has outlined and detailed description of the present application in terms of the general description and embodiments. It should be appreciated that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present application; but such conventional modifications and further innovations may be made without departing from the technical spirit of the present application, and such conventional modifications and further innovations are also intended to fall within the scope of the claims of the present application.
Claims (8)
1. The transmission assembly of the nursing bed comprises a bed frame, two bed heads respectively connected to the end parts of the bed frame, two lifting assemblies connected to the bed heads and a transmission assembly connected to the bed frame, wherein the two bed heads and the two lifting assemblies are in one-to-one correspondence, and the transmission assembly is used for driving the bed heads to lift through the lifting assemblies.
The driving rod comprises a first rod and a second rod connected to one end of the first rod through a reversing piece, the first rod and the second rod are respectively in one-to-one correspondence with the two lifting assemblies, the reversing piece comprises a shell connected to the bottom of the bedstead, a third gear rotationally connected to the shell, and a fourth gear rotationally connected to the shell and meshed with the third gear, one end of the first rod, far away from the lifting assemblies, is connected to the fourth gear, and one end of the second rod, far away from the lifting assemblies, is detachably connected to any one of the third gear and the fourth gear.
2. The transmission assembly according to claim 1, wherein the third gear and the fourth gear are coaxially connected with a connecting rod, an accommodating groove for accommodating the connecting rod is formed in one end of the second rod, a limiting rod is connected to one end, away from the third gear and the fourth gear, of the connecting rod, the limiting rod is perpendicular to the central axis of the connecting rod, and a positioning groove for embedding the limiting rod is formed in the end portion of the second rod.
3. The transmission assembly according to claim 2, wherein the housing is connected with two limiting rings, limiting grooves for accommodating the connecting rods and the limiting rods are formed in the limiting rings and the housing in a surrounding mode, and the two limiting rings are in one-to-one correspondence with the two connecting rods.
4. The transmission assembly according to claim 3, wherein the second rod comprises a first section connected to the connecting rod, a second section connected to an end of the first section away from the connecting rod, and a third section connected to an end of the second section away from the first section, a first through hole for inserting the first section is formed in one end of the second section, a second through hole for accommodating an elastic member is formed in one end of the first section, a first limiting member for limiting movement of the elastic member toward the connecting rod is connected to an end of the elastic member adjacent to the first section, the other end of the elastic member extends into the second through hole, a second limiting member for limiting movement of the elastic member toward the third section is connected to an end of the second through hole, the second section is rotatably connected to the third section through a rotating shaft, and the third section is connected to a first gear engaged with the second gear.
5. The drive assembly of claim 4, wherein the first and second segments are each square hollow tubes and the third segment is a cylindrical rod.
6. The transmission assembly of any one of claims 1-5, wherein the second rod has a length that is greater than a length of the first rod.
7. The transmission assembly of claim 6, wherein the bottom of the bed frame is connected with a limiting plate, the limiting plate is provided with a limiting hole for penetrating the second rod, and the cross-sectional area of the limiting hole is larger than that of the second rod.
8. A nursing bed, characterized by comprising a bed frame, two bed heads respectively connected to the end parts of the bed frame, two lifting components connected to the bed heads and a transmission component connected to the bed frame, wherein the transmission component is a transmission component of the nursing bed as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321614981.XU CN220227718U (en) | 2023-06-25 | 2023-06-25 | Nursing bed and transmission assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321614981.XU CN220227718U (en) | 2023-06-25 | 2023-06-25 | Nursing bed and transmission assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227718U true CN220227718U (en) | 2023-12-22 |
Family
ID=89198302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321614981.XU Active CN220227718U (en) | 2023-06-25 | 2023-06-25 | Nursing bed and transmission assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227718U (en) |
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2023
- 2023-06-25 CN CN202321614981.XU patent/CN220227718U/en active Active
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