CN218579538U - Spiral telescopic machanism that multistage synchronous goes up and down - Google Patents
Spiral telescopic machanism that multistage synchronous goes up and down Download PDFInfo
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- CN218579538U CN218579538U CN202222721264.9U CN202222721264U CN218579538U CN 218579538 U CN218579538 U CN 218579538U CN 202222721264 U CN202222721264 U CN 202222721264U CN 218579538 U CN218579538 U CN 218579538U
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Abstract
The application provides a multi-stage synchronous lifting spiral type telescopic mechanism, which belongs to the technical field of suspension type lifting telescopic mechanisms and specifically comprises a driving shaft connected with a central driving screw rod, wherein a first-order lifting rod mechanism and a second-order lifting rod mechanism respectively comprise a pushing nut, a transmission screw rod cylinder and a limiting sleeve, the outer ring of the pushing nut is fixedly connected with one end of the limiting sleeve, the pushing nut of the first-order lifting rod mechanism is in threaded connection with the central driving screw rod, the central driving screw rod drives the pushing nut of the first-order lifting rod mechanism to lift, the pushing nut of the second-order lifting rod mechanism is in threaded connection with the outer wall of the transmission screw rod cylinder of the first-order lifting rod mechanism, and the transmission screw rod cylinder of the first-order lifting rod mechanism drives the pushing nut of the second-order lifting rod mechanism to lift; the central driving screw is far away from the driving shaft to drive the transmission screw barrel of the first-order lifting rod mechanism to rotate, and the transmission screw barrel of the first-order lifting rod mechanism drives the transmission screw barrel of the second-order lifting rod mechanism to rotate. This application has improved lift stability and lifting efficiency.
Description
Technical Field
The application relates to the field of suspension type lifting telescopic mechanisms, in particular to a spiral telescopic mechanism capable of lifting in a multistage synchronous mode.
Background
With the development of intelligent and unmanned technologies, in various environments, in order to avoid ground obstacles, a lot of equipment or inspection products need to work or inspect from top to bottom, so that the walking space on the ground can be saved, and the indoor environment can be clean and safe; the existing lifting rod mechanism is complex in structure and slow in multi-stage expansion.
SUMMERY OF THE UTILITY MODEL
In view of this, the application provides a spiral telescopic machanism of multistage synchronous lift, has solved the problem among the prior art, improves the speed and the stability that lifter mechanism goes up and down.
The application provides a spiral telescopic machanism of multistage synchronous lift adopts following technical scheme:
a multi-stage synchronous lifting spiral type telescopic mechanism comprises a driving shaft, a central driving screw, a first-order lifting rod mechanism, a second-order lifting rod mechanism, a base and an outer barrel, wherein the driving shaft is connected with one end of the central driving screw, the driving shaft is rotatably installed on the base, and one end of the outer barrel is fixedly connected with the base;
the first-order lifting rod mechanism and the second-order lifting rod mechanism respectively comprise a pushing nut, a transmission screw cylinder and a limiting sleeve which are coaxially arranged, the outer ring of the pushing nut is fixedly connected with one end of the limiting sleeve, the transmission screw cylinder is positioned on the inner ring side of the pushing nut, one end of the transmission screw cylinder is rotatably installed on the pushing nut, the pushing nut of the first-order lifting rod mechanism is in threaded connection with the central driving screw, and the pushing nut of the second-order lifting rod mechanism is in threaded connection with the outer wall of the transmission screw cylinder of the first-order lifting rod mechanism;
the second-order lifting rod mechanism is positioned between the transmission screw barrel and the limiting sleeve of the first-order lifting rod structure;
the end, far away from the driving shaft, of the central driving screw is provided with a transmission bulge protruding outwards in the radial direction, the inner wall of a transmission screw cylinder of the first-order lifting rod mechanism is provided with a transmission chute for the transmission bulge to slide along the axial direction of the central driving screw, the end, far away from the pushing nut, of the transmission screw cylinder of the first-order lifting rod mechanism is provided with a transmission bulge protruding outwards in the radial direction, and the inner wall of the transmission screw cylinder of the second-order lifting rod mechanism is provided with a transmission chute for the transmission bulge to slide along the axial direction of the central driving screw;
the first-order lifting rod mechanism is characterized in that circumferential rotation between the limiting sleeve and the outer barrel of the first-order lifting rod mechanism and between the limiting sleeve of the first-order lifting rod mechanism and the limiting sleeve of the second-order lifting rod mechanism is limited through limiting components.
Optionally, the outer walls of the limiting sleeves of the first-order lifting rod mechanism and the second-order lifting rod mechanism are provided with guide protrusions protruding in the radial direction, and the inner side walls of the limiting sleeves of the first-order lifting rod mechanism and the outer barrel are provided with guide sliding grooves for the guide protrusions to slide along the axis direction of the central driving screw.
Optionally, a plurality of sets of stage lifting rod mechanisms are arranged in the space of the pushing nut, the limiting sleeve and the transmission screw rod of the second-order lifting rod mechanism, the structure of each set of stage lifting rod mechanism is the same as that of the second-order lifting rod mechanism, and the connection mode of the adjacent inner stage lifting rod mechanism and the outer stage lifting rod mechanism is the same as that of the second-order lifting rod mechanism and the first-order lifting rod mechanism.
Optionally, a final drive screw cylinder is arranged in the space of the innermost stage lifting rod mechanism, the inner wall of the final drive screw cylinder is in threaded connection with the drive screw of the innermost stage lifting rod mechanism, and the circumferential movement between the outer wall of the final drive screw cylinder and the inner side of the limiting sleeve of the innermost stage lifting rod mechanism is limited through a limiting assembly.
Optionally, the central driving screw and the driving screw cylinder are fixedly connected with a cross-shaped transmission shaft outside the end far away from the driving shaft, and the periphery of the cross-shaped transmission shaft protrudes to form the transmission protrusion.
Optionally, one end of the driving shaft far away from the central driving screw is connected with a driving bevel gear mechanism.
To sum up, this application includes following beneficial technological effect:
this application center drive screw drives first-order lifter mechanism and second order elevating system and goes up and down simultaneously when pivoted, drives multistage flexible simultaneously through a driving source. Compare driven flexible elevation structure in proper order, at the driving source rotational speed unchangeable, this application is synchronous flexible improves lifting efficiency. The application has promoted the flexible speed and the flexible efficiency of hoist formula telescopic machanism, has improved flexible stability, can wide application in various suspension type lift fields, also can invert the effect that plays the heavy object of rising and falling.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is an overall structure diagram of a multi-stage synchronous lifting spiral type telescopic mechanism;
FIG. 2 is an internal cross-sectional view of a multi-stage synchronous elevating helical telescoping mechanism;
FIG. 3 is a schematic structural diagram of a multi-stage one-stage lifting rod mechanism;
FIG. 4 is a schematic structural view of a spacing sleeve;
fig. 5 is a schematic structural view of the cross-shaped transmission shaft.
Description of reference numerals: 1. a drive shaft; 2. a central drive screw; 3. a first-order lifter mechanism; 4. a secondary lifting rod mechanism; 5. a stage lifting rod mechanism; 6. a base; 7. an outer cylinder; 81. pushing the nut; 82. a drive screw barrel; 83. a limiting sleeve; 84. a transmission projection; 85. a guide projection; 86. a guide chute; 9. finally driving the screw cylinder; 10. driving a bevel gear mechanism; 11. a cross drive shaft; 12. a lower adapter shaft system.
Detailed Description
Embodiments of the present application are described in detail below with reference to the accompanying drawings.
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict. 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.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present application, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
The embodiment of the application provides a spiral telescopic machanism that multistage synchronous goes up and down.
The utility model provides a spiral telescopic machanism of multistage synchronous lift, includes drive shaft 1, central drive screw 2, first-order lifter mechanism 3, second order lifter mechanism 4, base 6 and urceolus 7, the one end of drive shaft 1 junction center drive screw 2, the installation of drive shaft 1 pivoted is on base 6, 7 one end fixed connection bases 6 of urceolus. The base 6 is fixed relative to the drive source. The driving source can be installed on the base 6, and the output shaft of the driving source is connected with the driving shaft 1 to drive the driving shaft 1 to rotate.
First-order lifter mechanism 3 and second order lifter mechanism 4 all include push nut 81, a drive screw section of thick bamboo 82 and the spacing sleeve 83 of coaxial setting, push nut 81's outer lane fixed connection spacing sleeve 83's one end, a drive screw section of thick bamboo 82 is located push nut 81's inner circle side, the one end pivoted of a drive screw section of thick bamboo 82 is installed on push nut 81, first-order lifter mechanism 3's push nut 81 and 2 threaded connection of central drive screw, second-order lifter mechanism 4's push nut 81 and first-order lifter mechanism 3's drive screw section of thick bamboo 82's outer wall threaded connection.
The second-order lifting rod mechanism 4 is positioned between the transmission screw barrel 82 and the limiting sleeve 83 of the first-order lifting rod structure.
The one end that drive shaft 1 was kept away from to central drive screw 2 is equipped with radial outside convex transmission arch 84, the transmission screw section of thick bamboo 82 inner wall of first-order lifter mechanism 3 is equipped with the transmission spout that supplies transmission arch 84 to slide along the 2 axis directions of central drive screw, the one end that the transmission screw section of thick bamboo 82 of first-order lifter mechanism 3 was kept away from outward and is promoted nut 81 is equipped with radial outside convex transmission arch 84, the transmission screw section of thick bamboo 82 inner wall of second-order lifter mechanism 4 is equipped with the transmission spout that supplies transmission arch 84 to slide along the 2 axis directions of central drive screw (transmission spout is not shown in the figure).
The circumferential rotation between the limiting sleeve 83 of the first-order lifting rod mechanism 3 and the outer cylinder 7 and between the limiting sleeve 83 of the first-order lifting rod mechanism 3 and the limiting sleeve 83 of the second-order lifting rod mechanism 4 are limited by limiting components.
Specifically, the push nut 81 of the first-order lifter mechanism 3 is fixedly connected with the limiting sleeve 83, and the circumferential rotation of the limiting sleeve 83 of the first-order lifter mechanism 3 and the outer cylinder 7 is limited, so that the circumferential rotation of the push nut 81 of the first-order lifter mechanism 3 is limited. When the driving shaft 1 rotates to drive the central driving screw 2 to rotate, the circumferential movement of the pushing nut 81 of the first-order lifting rod mechanism 3 in threaded connection with the central driving screw 2 is limited, so that the first-order lifting rod mechanism moves along the length direction of the central driving screw 2, and the lifting of the pushing nut 81, the transmission screw cylinder 82 and the limiting sleeve 83 of the first-order lifting rod mechanism 3 is realized; the transmission screw cylinder 82 of the first-order lifting rod mechanism 3 is connected with the central driving screw 2 through the transmission bulge 84 and the transmission sliding groove in a matching mode, the central driving screw 2 rotates to drive the first-order lifting rod mechanism 3 to lift, meanwhile, the transmission screw cylinder 82 of the first-order lifting rod mechanism 3 is also driven to rotate, and the transmission screw cylinder 82 of the first-order lifting rod mechanism 3 drives the pushing nut 81, the transmission screw cylinder 82 and the limiting sleeve 83 of the second-order lifting rod mechanism 4 to lift in a similar mode. By means of the cooperation of the screw rod and the nut, the lifting efficiency is improved, and the lifting stability is greatly improved.
This application center drive screw 2 pivoted drives first order lifter mechanism 3 and second order elevating system 4 and goes up and down simultaneously, drives multistage flexible simultaneously through a driving source. Compare driven flexible elevation structure in proper order, at the driving source rotational speed unchangeable, this application is synchronous flexible improves lifting efficiency. The application has promoted the flexible speed and the flexible efficiency of hoist formula telescopic machanism, has improved flexible stability, can wide application in various suspension type lift fields, also can invert the effect that plays the heavy object of rising and falling.
The outer walls of the limiting sleeves 83 of the first-order lifting rod mechanism 3 and the second-order lifting rod mechanism 4 are provided with guide protrusions 85 protruding in the radial direction, and the inner side walls of the limiting sleeves 83 of the first-order lifting rod mechanism 3 and the outer barrel 7 are provided with guide sliding grooves 86 for the guide protrusions 85 to slide along the axis direction of the central driving screw 2. Thereby restricting circumferential rotation between adjacent ones of the restricting sleeves 83 and between the restricting sleeves 83 and the outer cylinder 7.
The central driving screw 2 and the driving screw barrel 82 are fixedly connected with a cross transmission shaft 11 at the outer side of one end far away from the driving shaft 1, and the transmission bulge 84 is formed by the bulge on the periphery of the cross transmission shaft 11.
A plurality of sets of stage lifting rod mechanisms 5 are arranged in the space of the pushing nut 81, the limiting sleeve 83 and the transmission screw of the second-order lifting rod mechanism 4, the structure of each set of stage lifting rod mechanism 5 is the same as that of the second-order lifting rod mechanism 4, and the connection mode of the adjacent inner stage lifting rod mechanism 5 and the outer stage lifting rod mechanism 5 is the same as that of the second-order lifting rod mechanism 4 and the first-order lifting rod mechanism 3.
This application can increase a plurality of stages lifter mechanism 5 according to the demand according to the cooperation structure of first order lifter mechanism 3 and second order lifter mechanism 4, adapts to the flexible of different operating modes.
The space of the innermost stage lifting rod mechanism 5 is internally provided with a final drive screw cylinder 9, the inner wall of the final drive screw cylinder 9 is in threaded connection with a drive screw cylinder 83 of the innermost stage lifting rod mechanism 5, and the outer wall of the final drive screw cylinder 9 and the inner side of a limiting sleeve 83 of the innermost stage lifting rod mechanism 5 are limited by limiting components to move circumferentially. The driving screw cylinder 82 of the innermost stage lifting rod mechanism 5 rotates to drive the final driving screw cylinder 9 to lift. Further, the final minimum space is utilized to increase the lifting distance. The end of the final drive screw cylinder 9 is connected with a lower transfer shafting 12.
One end of the driving shaft 1 far away from the central driving screw 2 is connected with a driving bevel gear mechanism 10.
The principle that this application adopted is that screw drive goes up and down, but through the cooperation of multistage lifter mechanism, realized continuous synchronous drive in minimum space to great flexible stroke is realized to less space. Hollow design can not with walk line mutual interference, terminal installation device can not take place great rocking stability better, and the sleeve because recess and bellied cooperation and then can not take place to rotate, multistage sleeve is synchronous flexible also more pleasing to the eye, and control accuracy is higher.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (6)
1. A multi-stage synchronous lifting spiral telescopic mechanism is characterized by comprising a driving shaft, a central driving screw, a first-order lifting rod mechanism, a second-order lifting rod mechanism, a base and an outer barrel, wherein the driving shaft is connected with one end of the central driving screw, the driving shaft is rotatably arranged on the base, and one end of the outer barrel is fixedly connected with the base;
the first-order lifting rod mechanism and the second-order lifting rod mechanism respectively comprise a pushing nut, a transmission screw cylinder and a limiting sleeve which are coaxially arranged, the outer ring of the pushing nut is fixedly connected with one end of the limiting sleeve, the transmission screw cylinder is positioned on the inner ring side of the pushing nut, one end of the transmission screw cylinder is rotatably installed on the pushing nut, the pushing nut of the first-order lifting rod mechanism is in threaded connection with the central driving screw, and the pushing nut of the second-order lifting rod mechanism is in threaded connection with the outer wall of the transmission screw cylinder of the first-order lifting rod mechanism;
the second-order lifting rod mechanism is positioned between the transmission screw barrel and the limiting sleeve of the first-order lifting rod structure;
the end, far away from the driving shaft, of the central driving screw is provided with a transmission bulge protruding outwards in the radial direction, the inner wall of a transmission screw cylinder of the first-order lifting rod mechanism is provided with a transmission chute for the transmission bulge to slide along the axial direction of the central driving screw, the end, far away from the pushing nut, of the transmission screw cylinder of the first-order lifting rod mechanism is provided with a transmission bulge protruding outwards in the radial direction, and the inner wall of the transmission screw cylinder of the second-order lifting rod mechanism is provided with a transmission chute for the transmission bulge to slide along the axial direction of the central driving screw;
the first-order lifting rod mechanism is characterized in that circumferential rotation between the limiting sleeve and the outer barrel of the first-order lifting rod mechanism and between the limiting sleeve of the first-order lifting rod mechanism and the limiting sleeve of the second-order lifting rod mechanism is limited through limiting components.
2. The multi-stage synchronous lifting spiral telescopic mechanism according to claim 1, wherein the outer walls of the limiting sleeves of the first-stage lifting bar mechanism and the second-stage lifting bar mechanism are provided with radially protruding guide protrusions, and the inner side walls of the limiting sleeves of the first-stage lifting bar mechanism and the outer cylinder are provided with guide chutes for the guide protrusions to slide along the axial direction of the central driving screw.
3. The multi-stage synchronous lifting spiral telescopic mechanism according to claim 1, wherein a plurality of sets of stage lifting rod mechanisms are arranged in a space of the pushing nut, the limiting sleeve and the transmission screw rod of the second-stage lifting rod mechanism, the structure of each set of stage lifting rod mechanism is the same as that of the second-stage lifting rod mechanism, and the connection mode of the adjacent inner stage lifting rod mechanism and the outer stage lifting rod mechanism is the same as that of the second-stage lifting rod mechanism and the first-stage lifting rod mechanism.
4. The multi-stage synchronous lifting spiral telescopic mechanism according to claim 3, wherein a final driving screw barrel is arranged in the space of the innermost stage lifting rod mechanism, the inner wall of the final driving screw barrel is in threaded connection with the driving screw of the innermost stage lifting rod mechanism, and the circumferential movement between the outer wall of the final driving screw barrel and the inner side of the limiting sleeve of the innermost stage lifting rod mechanism is limited by a limiting component.
5. The multi-stage synchronous lifting spiral telescopic mechanism according to claim 1, wherein a cross transmission shaft is fixedly connected to the outer side of one end of the central driving screw and the transmission screw barrel away from the driving shaft, and the transmission protrusion is formed by a protrusion on the periphery of the cross transmission shaft.
6. The multi-stage synchronous lifting spiral telescoping mechanism of claim 1, wherein a drive bevel gear mechanism is connected to the end of the drive shaft distal from the central drive screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222721264.9U CN218579538U (en) | 2022-10-12 | 2022-10-12 | Spiral telescopic machanism that multistage synchronous goes up and down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222721264.9U CN218579538U (en) | 2022-10-12 | 2022-10-12 | Spiral telescopic machanism that multistage synchronous goes up and down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218579538U true CN218579538U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222721264.9U Active CN218579538U (en) | 2022-10-12 | 2022-10-12 | Spiral telescopic machanism that multistage synchronous goes up and down |
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| Country | Link |
|---|---|
| CN (1) | CN218579538U (en) |
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2022
- 2022-10-12 CN CN202222721264.9U patent/CN218579538U/en active Active
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