CN214806175U - Transmission device - Google Patents
Transmission device Download PDFInfo
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- CN214806175U CN214806175U CN202121230920.4U CN202121230920U CN214806175U CN 214806175 U CN214806175 U CN 214806175U CN 202121230920 U CN202121230920 U CN 202121230920U CN 214806175 U CN214806175 U CN 214806175U
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- rotating member
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Abstract
The application relates to the technical field of beds with lifting functions, in particular to a transmission device, which is applied to a lifting bed, wherein the lifting bed comprises a bed frame and a bed board arranged on the bed frame, a hollow installation space is formed on the bed frame, and the transmission device is arranged in the installation space; the transmission device comprises a first transmission component, a second transmission component and a rotating component; the rotating component is used for being detachably connected with the bed frame; the first transmission component is connected with the rotating component, and the second transmission component is connected with the rotating component; the first transmission member can be abutted against the driving source and drives the rotating member to synchronously rotate around the central axis of the rotating member under the driving of the driving source, and the rotating member drives the second transmission member to synchronously rotate around the central axis of the rotating member so as to push the bed plate above the second transmission member to lift. Through this transmission, can realize the lift of bed board according to user's demand, easy to assemble moreover and dismantle, reduce staff's work load.
Description
Technical Field
The application relates to the technical field of beds with lifting functions, in particular to a transmission device.
Background
At present, as shown in fig. 1, a bed back plate and a bed leg plate of a lifting bed on the market, such as a nursing bed, a hospital bed or a furniture bed, are respectively connected with a corresponding bed head U-shaped tube 1 ' and a corresponding bed tail U-shaped tube 3 ', are connected together through a corresponding bed head lifting connecting sheet 2 ' and a bed tail lifting connecting sheet 4 ', and then a push rod motor 5 ' is used as a driving device. The working principle is that the lifting connecting sheet is pushed by the extension and contraction of the connecting pipe 51 ' of the push rod motor, and then the corresponding U-shaped frame rotates around the connecting point between the corresponding bed back plate 6 ' or the corresponding bed leg plate 7 ', so that the lifting of the bed back plate 6 ' and the bed leg plates 7 ' is realized.
Because the lifting connecting piece, the push rod motor 5' and the corresponding U-shaped frame are all of non-detachable connecting structures, the structures are firmly connected together to form an assembly, when the structure breaks down, the panel of the whole bed and the assembly containing the U-shaped frame are required to be detached to maintain or replace corresponding accessories, the workload of maintenance personnel is increased, and parts are damaged due to forced detachment and cannot be reused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a transmission has solved to a certain extent that the elevating system of the lift bed that exists among the prior art for example nursing bed/sick bed has formed non-detachable structure with bedstead and push rod motor, when the problem appearing, has increaseed maintenance personal's work load, owing to disassemble by force moreover, leads to spare part to damage, can't be at the technical problem who reuses.
The application provides a transmission device, which is applied to a lifting bed, wherein the lifting bed comprises a bed frame and a bed board arranged on the bed frame, a hollow installation space is formed on the bed frame, and the transmission device is arranged in the installation space;
the transmission device includes: a first transmission member, a second transmission member and a rotation member;
wherein the rotating member is for detachable connection to the bed frame; the first transmission member is connected with the rotating member, and the second transmission member is connected with the rotating member;
the first transmission member can abut against a driving source, the rotating member is driven by the driving source to synchronously rotate around the central axis of the rotating member, and the rotating member drives the second transmission member to synchronously rotate around the central axis of the rotating member so as to push the bed plate above the second transmission member to lift.
In the above technical solution, further, the rotating member is detachably connected to the bed frame by a fastener.
In any of the above technical solutions, further, the second transmission member is sleeved on the rotation member.
In any of the above technical solutions, further, the number of the second transmission members is two, and the two second transmission members are arranged at intervals along the length direction of the rotating member;
the transmission device further comprises a first reinforcing member, one end of the first reinforcing member is connected with one end, far away from the rotating member, of one of the second transmission members, and the other opposite end of the first reinforcing member is connected with one end, far away from the rotating member, of the other one of the second transmission members.
In any of the above technical solutions, further, the transmission device further includes a second reinforcing member, one end of the second reinforcing member is connected to the first reinforcing member, and the other opposite end of the second reinforcing member is connected to the rotating member.
In any one of the above technical solutions, further, the transmission device further includes a third transmission member, one end of the third transmission member is rotatably connected to one end of the second transmission member, which is far away from the rotation member, and the other end of the third transmission member, which is opposite to the second transmission member, is detachably connected to the bed plate.
In any of the above technical solutions, further, the transmission device further includes a fourth transmission member, and the fourth transmission member is connected with the rotation member.
In any of the above technical solutions, further, the first transmission member includes an extension portion and a contact action portion that are connected, and the contact action portion and the extension portion enclose an avoidance space that is open and faces away from the rotating member; the extension is connected with the rotating member.
In any of the above technical solutions, further, the second transmission member has an elongated sheet-like structure.
In any one of the above technical solutions, further, the second transmission member is formed with a bead portion.
Compared with the prior art, the beneficial effect of this application is:
this transmission can realize the lift of bed board according to user's demand, and this device and bedstead belong to detachable connection structure moreover, and in addition, this transmission's driven side and driving source such as push rod motor do not have the connection, have simplified the assembling process of this transmission with the lift bed, alleviate workman's work load. In addition, when this transmission goes wrong, only need to rotate the component and the bedstead phase separation can follow the bed separation that goes up and down, maintain or change, and the operation is extremely simple, convenient, and labour saving and time saving has reduced maintenance personal's work load.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a portion of a prior art lifting bed;
FIG. 2 is a schematic structural diagram of a transmission device according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of the assembly of the driving device and the bed frame according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a transmission device according to a second embodiment of the present application;
FIG. 5 is a schematic view of the assembly of the driving device and the bed frame according to the second embodiment of the present application;
fig. 6 is a schematic structural diagram of a transmission device applied to a lifting bed according to a first embodiment and a second embodiment of the present application;
fig. 7 is a schematic structural diagram of the transmission device applied to the lifting bed according to the first and second embodiments of the present application;
FIG. 8 is a schematic view of another embodiment of a transmission according to the present disclosure;
fig. 9 is a schematic structural diagram of a transmission device according to a second embodiment of the present application.
Reference numerals:
1 '-a U-shaped tube at the head of the bed, 2' -a lifting connecting piece at the head of the bed, 3 '-a U-shaped tube at the tail of the bed, 4' -a lifting connecting piece at the tail of the bed, 5 '-a push rod motor, 51' -a connecting tube, 6 '-a back plate of the bed and 7' -a leg plate of the bed;
1-a first transmission component, 101-an extension part, 102-a contact action part, 103-an avoidance space, 2-a second transmission component, 21-a reinforcing rib part, 3-a third transmission component, 4-a rotating component, 5-a first reinforcing component, 6-a second reinforcing component, 7-a double-drive motor, 71-a turbine, 72-a worm, 8-a fastener, 9-a bed frame, 10-a bed board, 11-a fourth transmission component.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
A transmission according to some embodiments of the present application is described below with reference to fig. 2-7.
Example one
Referring to fig. 2, 3, 6 and 7, an embodiment of the present application provides a transmission device applied to a lifting bed, the lifting bed includes a bed frame 9 and a bed board 10 disposed on the bed frame 9, the bed frame 9 forms a hollow installation space, and the transmission device is disposed in the installation space;
the transmission device comprises: a first transmission member 1, a second transmission member 2 and a rotation member 4; wherein the rotating member 4 is used for being detachably connected to the bed frame 9;
the first transmission component 1 is connected with the rotating component 4, and the second transmission component 2 is connected with the rotating component 4;
the first transmission member 1 can abut against the driving source, and the driving source drives the rotating member 4 to rotate around the central axis of the rotating member 4 synchronously, and the rotating member 4 drives the second transmission member 2 to rotate around the central axis of the rotating member 4 synchronously, so as to push the bed board 10 above the second transmission member 2 to lift.
Based on the structure stated above, the transmission device belongs to a brand new transmission structure, the transmission device can be detachably connected to the bedstead 9 through the rotating member 4, and the first transmission member 1 is not required to be connected with a driving source such as a push rod motor, and only needs to be abutted against one side of the telescopic end of the driving source such as the push rod motor during working, so that the first transmission member 1 is pushed to rotate around the central axis of the rotating member 4 through the extension and retraction of the driving source, and then the rotating member 4 is driven, the second transmission member 2 is also rotated around the central axis of the rotating member 4, and then the bed board 10 above the second transmission member 2 is pushed to ascend and descend.
It can be seen that the transmission device can realize the lifting of the bed board 10 according to the requirements of users, and the device and the bed frame 9 belong to a detachable connection structure, and in addition, the driven side of the transmission device is not connected with a driving source such as a push rod motor, so that the assembly process of the transmission device and the lifting bed is simplified, and the workload of workers is reduced.
In addition, when this transmission goes wrong, only need can follow the separation of lift bed with rotating member 4 and bedstead 9 phase separation, maintain or change, the operation is extremely simple, convenient, labour saving and time saving has reduced maintenance personal's work load.
In this embodiment, it is preferable that the rotating member 4 is detachably connected to the frame 9 by a fastening member 8 as shown in fig. 3, and the detachable connection structure is simple, the fastening effect is good, the cost is low, and the fastening member 8 is easy to purchase.
Preferably, the fastening member 8 may be a screw or a bolt, but is not limited thereto.
In this embodiment, preferably, as shown in fig. 2, the second transmission member 2 is sleeved on the rotation member 4, and both of them realize a detachable connection structure, which is convenient for disassembly and maintenance.
In this embodiment, preferably, as shown in fig. 2, the transmission device further includes a third transmission member 3, one end of the third transmission member 3 is rotatably connected to one end of the second transmission member 2 far away from the rotation member 4, and particularly, a detachable rotary connection structure is selected, and the other end of the third transmission member 3 is detachably connected to the bed board 10.
Based on the above described structure, since the second transmission member 2 is extended obliquely downward toward the bed, the addition of the third transmission member 3 can establish a connection relationship between the second transmission member 2 and the bed plate 10 above it.
Wherein, optionally, the third transmission member 3 and the bedplate 10 can be detachably connected by using a fastener 8 such as a screw or a bolt, specifically, the bottom of the bedplate 10 is formed with a connecting plate, and one end of the third transmission member 3 far away from the second transmission member 2 is connected with the connecting plate by using the fastener 8 arranged along the horizontal direction, of course, not only the above structure is limited, but also other modes capable of realizing the detachable connection of the third transmission member 3 and the bedplate 10 can be adopted.
In this embodiment, preferably, as shown in fig. 8, the transmission device further comprises a fourth transmission member 11, and the fourth transmission member 11 is connected with the rotating member 4.
The fourth transmission member 11 is provided, so that the driving device is not only suitable for the dual-drive motor 7, but also can use a push rod motor, namely the push rod motor can be connected with one end of the fourth transmission member 11 far away from the rotating member 4, and especially can adopt a detachable connection mode of screws or bolts.
In this embodiment, preferably, as shown in fig. 7, the first transmission member 1 includes an extending portion 101 and a contact acting portion 102 connected, and the contact acting portion 102 and the extending portion 101 enclose an open avoiding space 103 which is open and faces away from the rotating member 4;
the extension 101 is connected to the rotating member 4 by welding or clamping, or other connection methods, which are selected according to actual needs.
Based on the above-described structure, the driving source abuts against the contact action portion 102, and the first transmission member 1 is driven to rotate along the central axis of the rotation member 4 by the extension and contraction of the driving source in the horizontal direction, and furthermore, the open avoidance space 103 enclosed by the contact action portion 102 and the extension portion 101 can effectively avoid some structures of the driving source, and avoid causing interference.
Among them, preferably, especially when the number of the transmission devices is two, the driving source is a dual-drive motor 7, and specifically, the dual-drive motor 7 includes two sets of the following structures: the bed comprises a motor, a worm wheel 71 and a worm 72 which are meshed with each other, wherein the worm wheel 71 is connected with the corresponding motor, two driving ends of the double-driving motor 7, namely the two worm 72, are respectively in one-to-one correspondence with two transmission devices and are respectively used for driving the corresponding transmission devices, and further are respectively used for lifting the bed back plate and the bed tail plate. Also note that one of the actuators is located below the left side bed leg board, and the other actuator is located below the right side bed back board.
Of course, not limited to the above-described structure, the drive source may also adopt a structure in which, specifically, the drive source includes a drive device, a transmission gear, and a transmission rack; the output end of the driving device is connected with the transmission gear, the transmission rack is meshed with the transmission gear, one end of the transmission rack can abut against the first transmission component 1, and when the number of the transmission devices is two, any one transmission device can be provided with one driving source.
In this embodiment, preferably, as shown in fig. 2, the second transmission member 2 has an elongated plate-like structure, which can satisfy both the transmission and supporting functions and is more lightweight.
In this embodiment, preferably, as shown in fig. 2, the second transmission member 2 is formed with a bead portion 21.
Based on the above-mentioned structure, the above-mentioned reinforcement rib portion 21 mainly plays a role of increasing the stability, avoiding the engineering problems such as bending and breaking of the member, and indirectly increasing the bearing capacity of the bed surface.
In this embodiment, preferably, as shown in fig. 2, the number of the second transmission members 2 is two, and the two second transmission members 2 are provided at intervals along the length direction of the rotation member 4.
Therefore, the two second transmission members 2 can simultaneously play a role in supporting and transmitting, so that the transmission device is more stable in the motion process, and the bearing capacity of the bed surface is indirectly increased.
Example two
The second embodiment is an improvement on the first embodiment, and therefore, the content disclosed in the first embodiment also belongs to the content disclosed in the present embodiment, and therefore, the technical content disclosed in the first embodiment is not described again, and the difference of the present embodiment with respect to the first embodiment is as follows:
in this embodiment, preferably, as shown in fig. 4, 5 and 9, the transmission device further includes a first reinforcing member 5, one end of the first reinforcing member 5 is connected to one end of one of the second transmission members 2 away from the rotating member 4, and the other opposite end of the first reinforcing member 5 is connected to one end of the other of the second transmission members 2 away from the rotating member 4.
Based on the structure of above-mentioned description, form a square bearing structure through increasing the reinforcement member, strengthened this transmission's bulk strength, therefore can bear great pressure, and then also promoted the bearing capacity of bed surface, application scope is wider, has promoted security and the reliability that the user used moreover.
Wherein, preferably, the first reinforcement member 5 forms a detachable connection structure with the first transmission member 1 and the second transmission member 2 respectively through a fastener 8, such as a screw or a bolt, so as to facilitate the later operation and maintenance.
In this embodiment, preferably, as shown in fig. 4 and 5, the transmission device further includes a second reinforcing member 6, one end of the second reinforcing member 6 is connected to the first reinforcing member 5, and the opposite end of the second reinforcing member 6 is connected to the rotating member 4.
Based on the structure described above, the support is additionally arranged at the hollow position in the square support structure, so that the overall strength is higher, the bearing capacity is stronger, and the stability in the working process is better.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A transmission device applied to a lifting bed, the lifting bed comprises a bed frame and a bed board arranged on the bed frame, a hollow installation space is formed on the bed frame, and the transmission device is arranged in the installation space, and the transmission device comprises: a first transmission member, a second transmission member and a rotation member;
wherein the rotating member is for detachable connection to the bed frame; the first transmission member is connected with the rotating member, and the second transmission member is connected with the rotating member;
the first transmission member can abut against a driving source, the rotating member is driven by the driving source to synchronously rotate around the central axis of the rotating member, and the rotating member drives the second transmission member to synchronously rotate around the central axis of the rotating member so as to push the bed plate above the second transmission member to lift.
2. The transmission of claim 1, wherein the rotating member is removably coupled to the frame by a fastener.
3. The transmission device as claimed in claim 1, wherein the second transmission member is sleeved on the rotation member.
4. The transmission device according to claim 1, wherein the number of the second transmission members is two, and the two second transmission members are arranged at intervals along the length direction of the rotating member;
the transmission device further comprises a first reinforcing member, one end of the first reinforcing member is connected with one end, far away from the rotating member, of one of the second transmission members, and the other opposite end of the first reinforcing member is connected with one end, far away from the rotating member, of the other one of the second transmission members.
5. The transmission of claim 4, further comprising a second reinforcing member connected at one end to the first reinforcing member and at an opposite end to the rotating member.
6. The transmission device as claimed in claim 1, further comprising a third transmission member, wherein one end of the third transmission member is rotatably connected with one end of the second transmission member far away from the rotation member, and the other opposite end of the third transmission member is detachably connected with the bed plate.
7. The transmission of claim 1, further comprising a fourth transmission member, wherein the fourth transmission member is coupled to the rotating member.
8. The transmission device according to claim 1, wherein the first transmission member includes an extension portion and a contact action portion connected with each other, and the contact action portion and the extension portion are enclosed to form an open avoidance space which is opened to face away from the rotating member; the extension is connected with the rotating member.
9. The transmission device according to claim 1, wherein said second transmission member has an elongated plate-like configuration.
10. A transmission arrangement as claimed in any one of claims 1 to 9, characterised in that the second transmission member is formed with a stiffener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121230920.4U CN214806175U (en) | 2021-06-03 | 2021-06-03 | Transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121230920.4U CN214806175U (en) | 2021-06-03 | 2021-06-03 | Transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214806175U true CN214806175U (en) | 2021-11-23 |
Family
ID=78800326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121230920.4U Active CN214806175U (en) | 2021-06-03 | 2021-06-03 | Transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214806175U (en) |
-
2021
- 2021-06-03 CN CN202121230920.4U patent/CN214806175U/en active Active
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