CN214341278U - Linear driving system and electric bed - Google Patents
Linear driving system and electric bed Download PDFInfo
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- CN214341278U CN214341278U CN202120319313.9U CN202120319313U CN214341278U CN 214341278 U CN214341278 U CN 214341278U CN 202120319313 U CN202120319313 U CN 202120319313U CN 214341278 U CN214341278 U CN 214341278U
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- linear drive
- driving system
- linear driver
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Abstract
The utility model relates to a drive technical field discloses a linear driving system and beddo, and this linear driving system is including being used for driving the flexible linear driver of outside support, control unit and the linkage unit of being connected with the linear driver electricity, and the linkage unit includes first joint portion, the grafting portion that links to each other with first joint portion and the second joint portion that links to each other with first card portion and grafting portion. By adopting the connecting unit provided by the utility model, one end of the control part is inserted and connected with the inserting part through the card sleeve, and the elastic clamping part is butted against the peripheral wall of the other end of the control part; the connecting unit also enables the second clamping portion to be sleeved outside one end of the linear driver and clamped with the second clamping portion. The connecting unit is simple in structure, simple in connection with the linear driver and the control part and convenient to disassemble and assemble.
Description
Technical Field
The utility model relates to a drive technical field especially relates to a linear driving system and beddo.
Background
The electric bed and the medical bed are provided with linear actuators, and the operation of the electric bed and the medical bed is controlled by the linear actuators. In order to facilitate the control of the linear drive, the linear drive is provided with a switching power supply by which the linear drive is supplied with power.
At present, a linear driver and a switching power supply on an electric bed and a medical bed are respectively fixed on a bed frame, and the linear driver and the switching power supply are usually fixed at the bottom of the bed frame, so that the linear driver and the switching power supply are inconvenient to install; and when linear driver and switching power supply all need to dismantle, need dismantle respectively, it is inconvenient to dismantle, wastes time and energy.
In order to solve the problem, the switching power supply is fixedly installed on the linear driver through a connecting structure in the prior art, but the existing connecting structure is complex and inconvenient to install and maintain.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a linear driving system and beddo can solve among the prior art problem that installation and maintenance are inconvenient of control unit between switching power supply, control box and the linear driver.
To achieve the purpose, the utility model adopts the following technical proposal:
a linear driving system including a linear driver for driving an external stent to expand and contract and a control part electrically connected to the linear driver, further comprising a connection unit including:
the first clamping part comprises a clamping sleeve, one end of the clamping sleeve is provided with at least two notches distributed along the circumferential direction of the clamping sleeve, and the clamping sleeve between every two adjacent notches forms an elastic clamping part capable of elastically deforming;
the plug-in part is connected with the first clamping part, one end of the control part penetrates through the clamping sleeve to be plugged in the plug-in part, and the elastic clamping part is abutted against the outer peripheral wall of the other end of the control part;
and the second clamping part is of a C-shaped structure capable of elastically deforming, and is sleeved outside one end of the linear driver and clamped with the second clamping part.
As a preferable technical solution of the above linear driving system, the first clamping portion and the insertion portion are connected by a connecting portion, the second clamping portion is located at the same side of the first clamping portion and the insertion portion, and the second clamping portion is connected to the connecting portion.
As a preferable technical solution of the above linear driving system, a first limiting portion is convexly disposed on an inner wall of the elastic clamping portion, and the control component is clamped between the first limiting portion and the insertion portion.
As a preferable technical solution of the above linear driving system, a first guiding inclined plane is provided on the first limiting portion, and is used for guiding the control component to be inserted into the sleeve.
As a preferable technical solution of the above linear driving system, a space is provided between the second clamping portion and the first clamping portion and between the second clamping portion and the inserting portion.
As a preferable technical solution of the above linear driving system, the first engaging portion, the inserting portion, the second engaging portion and the connecting portion are integrally provided.
As a preferable technical solution of the above linear driving system, a second limiting portion is convexly provided at an opening end of the second clamping portion, for preventing the linear driver from coming off from the second clamping portion.
As a preferable technical solution of the above linear driving system, a second guiding inclined plane is provided on the second limiting portion, and is used for guiding the linear driver to be inserted into the second clamping portion.
As a preferred technical solution of the above linear driving system, the insertion portion is provided with a slot inserted into the control component, and the inner wall of the slot is provided with a through hole for passing a wire connecting the linear driver and the control component.
As a preferable technical solution of the above linear driving system, the second engaging portion is slidably sleeved outside the linear driver and is limited to rotate relative to the linear driver.
The utility model also provides an electric bed, including bedstead and any one of the above-mentioned scheme linear actuating system, linear actuator fixed connection in the bedstead.
The utility model has the advantages that: by adopting the connecting unit provided by the utility model, one end of the control part is inserted and connected with the inserting part through the card sleeve, and the elastic clamping part is butted against the peripheral wall of the other end of the control part; the connecting unit also enables the second clamping portion to be sleeved outside one end of the linear driver and clamped with the second clamping portion. The connecting unit is simple in structure, simple in connection with the linear driver and the control part and convenient to disassemble and assemble.
The utility model also provides an electric bed, including bedstead and foretell linear driving system. Compared with the prior art that the control component and the linear driver are respectively arranged on the bed frame through a bracket, when the linear driver and the control component are maintained, the control component and the bed frame can be separated while the linear driver is detached from the bed frame; when the linear driver is installed, the control part can be installed on the linear driver, and then the linear driver is installed on the bed frame, so that the control part and the linear driver are convenient to disassemble and assemble, and the linear driver is convenient to install and maintain.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a linear driving system provided in an embodiment of the present invention;
fig. 2 is an exploded view of a linear drive system provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a connection unit according to an embodiment of the present invention.
In the figure:
1. a linear driver; 11. a motor; 12. a telescopic rod; 13. a telescopic bracket;
2. a control component;
3. a connection unit; 31. a first clamping part; 311. a card sleeve; 312. an elastic clamping part; 313. a first limiting part; 314. a first guide slope; 32. a plug-in part; 321. perforating holes; 33. a second clamping part; 331. a second limiting part; 332. a second guide slope; 333. a third limiting part; 34. a connecting portion; 35. and (4) spacing.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
As shown in fig. 1 to 3, the present embodiment provides a linear driving system, which includes a linear driver 1 for driving an external bracket to extend and retract, a control unit 2 electrically connected to the linear driver 1, and a connection unit 3, wherein the control unit 2 includes a control box for controlling the operation of the linear driver 1 and/or a switching power supply for supplying power to the linear driver 1; the connecting unit 3 comprises a first clamping part 31, an inserting part 32 connected with the first clamping part 31, and a second clamping part 33 connected with the first clamping part 31 and the inserting part 32, wherein the first clamping part 31 comprises a clamping sleeve 311, one end of the clamping sleeve 311 is provided with at least two notches arranged along the circumferential direction of the clamping sleeve 311, and the clamping sleeve 311 between two adjacent notches forms an elastic clamping part 312 capable of elastically deforming; one end of the control part 2 passes through the clamping sleeve 311 to be spliced with the splicing part 32, and the elastic clamping part 312 abuts against the outer peripheral wall of the other end of the control part 2; the second clamping portion 33 is a C-shaped structure capable of elastically deforming, and the second clamping portion 33 is sleeved outside one end of the linear driver 1 and clamped with the second clamping portion 33.
By adopting the connection unit 3 provided by the embodiment, one end of the control component 2 passes through the clamping sleeve 311 to be inserted into the insertion part 32, and the elastic clamping part 312 abuts against the outer peripheral wall of the other end of the control component 2; the connecting unit 3 further enables the second clamping portion 33 to be sleeved outside one end of the linear driver 1 and clamped with the second clamping portion 33. The connecting unit 3 is simple in structure, the connecting unit 3 is simple to connect with the linear driver 1 and the control component 2, and the connecting unit is convenient to disassemble and assemble.
In this embodiment, the linear actuator 1 includes an extension rod 12 for driving the external frame to extend and a motor 11 for driving the extension rod 12 to extend, and the motor 11 is connected to one end of the extension rod 12 through a transmission unit. The external bracket is a bed frame, the telescopic rod 12 is sleeved with a telescopic bracket 13, and the second clamping portion 33 is sleeved outside the telescopic bracket 13. The structure of the transmission unit is a gear transmission structure, a gear rack structure, a worm and gear transmission structure and the like in the prior art, and the description is omitted.
Further, the first clamping portion 31 and the inserting portion 32 are connected through the connecting portion 34, the second clamping portion 33 is located on the same side of the first clamping portion 31 and the inserting portion 32, and the second clamping portion 33 is connected to the connecting portion 34. The control part 2 is supported by the second catching portion 33 while the control part 2 is fixed by the first catching portion 31 and the inserting portion 32.
Preferably, the inserting portion 32 is provided with a slot, one end of the control component 2 passes through the clamping sleeve 311 and then is inserted into the slot, after the linear controller is clamped with the second clamping portion 33, the second clamping portion 33 can extrude the control component 2 between the first clamping portion 31 and the inserting portion 32 while clamping the linear controller, and at this time, the side wall of the second clamping portion 33, which is back to the slot, is used for limiting the control component 2.
Further, a space 35 is provided between the second clamping portion 33 and the first clamping portion 31 and the inserting portion 32. The space 35 ensures that the second clamping part 33 can be elastically deformed to clamp the linear controller into the second clamping part 33.
Further, a first limiting portion 313 is convexly disposed on an inner wall of the elastic clamping portion 312, and the control component 2 is clamped between the first limiting portion 313 and the inserting portion 32.
Further, the first stopper 313 is provided with a first guiding inclined surface 314 for guiding the control part 2 to be inserted into the ferrule 311.
In this embodiment, the section of the ferrule 311 is rectangular, two opposite side surfaces of the ferrule are respectively provided with an elastic clamping portion 312, and an inner wall of one end of each elastic clamping portion 312, which is far away from the insertion portion 32, is convexly provided with a first limiting portion 313.
Preferably, the first limiting portion 313 near one side of the control component 2 is connected with a third limiting portion 333, the third limiting portion 333 is arranged opposite to the connecting portion 34, the control component 2 located between the first clamping portion 31 and the inserting portion 32 is clamped between the third limiting portion 333 and the connecting portion 34, and the control component 2 extrudes the third limiting portion 333 to enable the second clamping portion 33 to clamp the linear actuator 1.
In this embodiment, the first clamping portion 31, the inserting portion 32, the second clamping portion 33 and the connecting portion 34 are integrally provided, so as to simplify the processing of the connecting unit 3.
Further, the opening end of the second clamping portion 33 is convexly provided with a second limiting portion 331 for preventing the linear driver 1 from being pulled out of the second clamping portion 33.
Further, the second engaging portion 33 is slidably sleeved outside the linear actuator 1 and is limited to rotate relative to the linear actuator 1. Through the sliding connection of the second clamping portion 33 and the linear driver 1, the position of the second clamping portion 33 on the linear driver 1 can be adjusted, and the position adjustment of the control component 2 on the linear driver 1 is realized.
In this embodiment, the transverse cross section of the telescopic bracket 13 is "D" shaped, the second limiting portion 331 abuts against the plane on the telescopic bracket 13, and the second limiting portion 331 can not only prevent the telescopic bracket 13 from coming off from the second clamping portion 33, but also prevent the second clamping portion 33 from rotating relative to the telescopic bracket 13 by cooperating with the telescopic bracket 13. In other embodiments, the transverse cross section of the telescopic bracket 13 may also be rectangular, pentagonal, etc., which is not described in a detail herein.
Further, a second guiding inclined surface 332 is disposed on the second position-limiting portion 331 for guiding the linear actuator 1 to be inserted into the second clamping portion 33.
Further, the inner wall of the slot is provided with a through hole 321 for passing a wire connecting the linear driver 1 and the control part 2.
The embodiment also provides an electric bed, which comprises a bed frame and the linear driving system. In this embodiment, the control component 2 is fixedly installed on the linear actuator 1, and then the linear actuator 1 is fixedly installed on the bed frame, compared with the prior art in which the control component 2 and the linear actuator 1 are respectively installed on the bed frame through a bracket, when the linear actuator 1 and the control component 2 are maintained, the control component 2 can be separated from the bed frame while the linear actuator 1 is detached from the bed frame; when the linear drive device is installed, the control part 2 can be installed on the linear drive device 1, then the linear drive device 1 is installed on the bed frame, and the control part 2 and the linear drive device 1 are convenient to disassemble and assemble and convenient to install and maintain.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
In the description of the present invention, 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.
Claims (11)
1. A linear driving system comprising a linear driver (1) for driving an external stent to extend and retract and a control part (2) electrically connected to the linear driver (1), characterized by further comprising a connection unit (3), the connection unit (3) comprising:
the first clamping part (31) comprises a clamping sleeve (311), one end of the clamping sleeve (311) is provided with at least two notches distributed along the circumferential direction of the clamping sleeve, and the clamping sleeve (311) between every two adjacent notches forms an elastic clamping part (312) capable of elastically deforming;
the plug-in part (32) is connected with the first clamping part (31), one end of the control component (2) penetrates through the clamping sleeve (311) to be plugged into the plug-in part (32), and the elastic clamping part (312) abuts against the outer peripheral wall of the other end of the control component (2);
and the second clamping portion (33) is connected with the first clamping portion (31) and the inserting portion (32), the second clamping portion (33) is of a C-shaped structure capable of elastically deforming, and the second clamping portion (33) is sleeved outside one end of the linear driver (1) and is clamped with the second clamping portion (33).
2. The linear drive system according to claim 1, wherein the first engaging portion (31) and the plug portion (32) are connected by a connecting portion (34), the second engaging portion (33) is located on the same side of the first engaging portion (31) and the plug portion (32), and the second engaging portion (33) is connected to the connecting portion (34).
3. The linear driving system as claimed in claim 2, wherein a first limiting portion (313) is convexly disposed on an inner wall of the elastic clamping portion (312), and the control component (2) is clamped between the first limiting portion (313) and the insertion portion (32).
4. Linear drive system according to claim 3, characterized in that the first stop portion (313) is provided with a first guiding bevel (314) for guiding the control part (2) to be inserted into the ferrule (311).
5. Linear drive system according to claim 2, characterized in that a space (35) is provided between the second snap-in part (33) and the first snap-in part (31) and the plug part (32).
6. Linear drive system according to claim 5, characterized in that the first snap-in part (31), the plug part (32), the second snap-in part (33) and the connecting part (34) are provided in one piece.
7. The linear driving system as claimed in any one of claims 1 to 6, wherein a second limit portion (331) is protruded from an opening end of the second engaging portion (33) for preventing the linear driver (1) from being released from the second engaging portion (33).
8. The linear driving system according to claim 7, wherein the second position-limiting portion (331) is provided with a second guiding slope (332) for guiding the linear actuator (1) to be inserted into the second catching portion (33).
9. Linear drive system according to any of claims 1 to 6, characterized in that the insertion portion (32) is provided with a slot for insertion of the control member (2), and the inner wall of the slot is provided with a through hole (321) for passing a wire for connecting the linear drive (1) and the control member (2).
10. The linear drive system according to any one of claims 1 to 6, wherein the second engaging portion (33) is slidably sleeved outside the linear drive (1) and is limited to rotate relative to the linear drive (1).
11. An electric bed, characterized in that it comprises a bed frame and a linear drive system according to any one of claims 1 to 10, the linear drive (1) being fixedly connected to the bed frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319313.9U CN214341278U (en) | 2021-02-04 | 2021-02-04 | Linear driving system and electric bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319313.9U CN214341278U (en) | 2021-02-04 | 2021-02-04 | Linear driving system and electric bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214341278U true CN214341278U (en) | 2021-10-08 |
Family
ID=77963180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120319313.9U Active CN214341278U (en) | 2021-02-04 | 2021-02-04 | Linear driving system and electric bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214341278U (en) |
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2021
- 2021-02-04 CN CN202120319313.9U patent/CN214341278U/en active Active
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