CN215326731U - Rotary lifting device and movement device - Google Patents
Rotary lifting device and movement device Download PDFInfo
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- CN215326731U CN215326731U CN202121482118.4U CN202121482118U CN215326731U CN 215326731 U CN215326731 U CN 215326731U CN 202121482118 U CN202121482118 U CN 202121482118U CN 215326731 U CN215326731 U CN 215326731U
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Abstract
The application discloses rotatory elevating gear and telecontrol equipment. The rotary lifting device comprises a frame, a force application component and a lifting component. The force application assembly comprises a rotating part and a force application part, a containing cavity is arranged in the rotating part, the force application part is connected with the rotating part and located outside the frame, the lifting assembly comprises a nut, a threaded rod and a tensioning piece, the nut is fixedly connected with the frame, the threaded rod is connected with the nut, the first end of the threaded rod is located in the containing cavity and limits a limiting groove with the rotating part, and the tensioning piece is filled in the limiting groove and abutted to the threaded rod and the rotating part. Through applying external force to force application portion, can drive the rotating part and rotate, rethread tensioning member drives the threaded rod rotatory, and at this moment, the nut can be according to the direction of rotation of threaded rod to the threaded rod exert the guiding force that corresponds the direction of rotation, makes the threaded rod rise and fall in holding the chamber, is not only convenient for apply external force and realizes the lift of threaded rod, still need not the lift that the instrument can also accomplish the threaded rod in less space, and the suitability is good.
Description
Technical Field
The utility model relates to the technical field of lifting, in particular to a rotary lifting device and a moving device.
Background
In some moving devices (such as transport carts or carts), a rotary lifting device is mounted on the moving device, and is lifted by the rotary lifting device to position the moving device. In the rotary lifting device in the prior art, a screw rod is connected with a nut, and the nut or the screw rod is screwed by using a tool manually so as to lift the screw rod, thereby realizing the positioning of a moving device. However, the rotary lifting device in the prior art needs a manual tool in the lifting process, so that a large enough space is needed, the rotary lifting device cannot lift without a large enough space, and the applicability is poor.
SUMMERY OF THE UTILITY MODEL
The application provides a rotatory elevating gear and telecontrol equipment to solve prior art's rotatory elevating gear can't go up and down under the condition that does not have enough big space, the poor problem of suitability.
In one aspect, the present application provides a rotary lifting device comprising: the device comprises a frame, a force application assembly and a lifting assembly;
the force application assembly comprises a rotating part and a force application part, wherein an accommodating cavity is formed in the rotating part, the part of the rotating part with the accommodating cavity penetrates through the frame and is positioned in the frame, and the force application part is connected with the rotating part and is positioned outside the frame;
lifting unit includes nut, threaded rod and tensioning piece, the nut with frame fixed connection, the threaded rod with the nut is connected, the first end of threaded rod is located hold in the chamber and with the rotating part prescribes a limit to the groove, the second end of threaded rod extends to the outside of frame, the tensioning piece fill in the limit groove and with the threaded rod with the rotating part butt.
In some possible implementations, the rotating portion includes a first connecting portion, a receiving portion, and a second connecting portion;
the first connecting part is positioned on the frame, the accommodating part is positioned in the frame and connected with the first connecting part, and an accommodating cavity is formed in the accommodating part;
the second connecting portion is located outside the frame and connected with the first connecting portion, and the second connecting portion is connected with the force application portion.
In some possible implementations, the rotating portion further includes a first fixing pin located in the first connecting portion and connected to the first connecting portion, and the second connecting portion is rotatably connected to the first fixing pin.
In some possible implementations, the rotating portion further includes a second fixing pin located in the second connecting portion and connected to the second connecting portion, and the force application portion is rotatably connected to the second fixing pin.
In some possible implementations, the second connecting portion has a receiving groove therein, and the rotating portion further includes a limiting portion located in the receiving groove and connected to the second connecting portion.
In some possible implementations, the accommodating portion includes a surrounding wall having the accommodating cavity, and an inner protrusion located in the accommodating cavity and connected to the surrounding wall, and the threaded rod, the surrounding wall, and the inner protrusion define the limiting groove.
In some possible implementations, the threaded rod includes a screw and an outer protrusion, the outer protrusion is connected to an end of the screw located in the accommodating cavity and extends in a direction close to the surrounding wall, and the outer protrusion, the screw, the surrounding wall, and the inner protrusion define the limiting groove.
In some possible implementations, the tensioning member is a spring.
In some possible implementations, the rotary lifting device further includes a magnetic member coupled to the frame.
In another aspect, the present application also provides an exercise device comprising: the rotary lifting device is connected with the bottom of the main body.
The application provides a rotatory elevating gear includes frame, application of force subassembly and lifting unit. The force application subassembly includes rotating part and force application portion, it holds the chamber to have in the rotating part, the rotating part has the part that holds the chamber and passes the inside that the frame is located the frame, force application portion and rotating part are connected and are located the outside of frame, lifting unit includes the nut, threaded rod and tensioning piece, nut and frame fixed connection, the threaded rod is connected with the nut, the first end of threaded rod is arranged in holding the chamber and inject the spacing groove with the rotating part, the second end of threaded rod extends to the outside of frame, the tensioning piece is filled in the spacing groove and with threaded rod and rotating part butt. This application is through applying external force to force application portion, can drive the rotating part and rotate, rethread tensioning member drives the threaded rod rotatory, at this moment, the nut can be according to the direction of rotation of threaded rod to the threaded rod applys the guiding force that corresponds the direction of rotation, make the threaded rod go up and down in holding the chamber, this application is through being connected force application portion and rotating part and being located the outside of frame promptly, not only be convenient for apply the lift that external force realized the threaded rod, still need not the lift that the threaded rod can also be accomplished in less space to the instrument, and the suitability is good.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a rotary lifting device provided in an embodiment of the present application;
fig. 2 is a front view of a rotary lifting device provided in an embodiment of the present application;
fig. 3 is a cross-sectional view of a rotary lifting device according to an embodiment of the present application in a first state;
fig. 4 is a cross-sectional view of a second state of a rotary lifting device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but 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 considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
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; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The application of rotatory elevating gear can be applied to among the telecontrol equipment, goes up and down through rotatory elevating gear, makes the threaded rod butt subaerial to fix a position the telecontrol equipment. The application's rotatory elevating gear is through applying external force to force application portion, can drive the rotating part and rotate, rethread tensioning member drives the threaded rod rotatory, at this moment, the nut can be according to the direction of rotation of threaded rod to the threaded rod applys the guiding force that corresponds the direction of rotation, make the threaded rod go up and down in holding the chamber, this application is through being connected force application portion and rotating part and being located the outside of frame promptly, not only be convenient for apply the lift that external force realized the threaded rod, still need not the lift that the threaded rod can also be accomplished in less space to the instrument, the suitability is good.
Referring to fig. 1 to 4, an embodiment of the present invention provides a rotary lifting device, including: the device comprises a frame 1, a force application component 2 and a lifting component 3;
the force application assembly 2 comprises a rotating part 21 and a force application part 22, wherein the rotating part 21 is provided with an accommodating cavity 211, the part of the rotating part 21 with the accommodating cavity 211 penetrates through the frame 1 and is positioned in the frame 1, and the force application part 22 is connected with the rotating part 21 and is positioned outside the frame 1;
The rotating portion 21 is not connected to the frame 1 after passing through the frame 1, a portion of the rotating portion 21 having the accommodating chamber 211 is located inside the frame 1, the other portion is located outside the frame 1, and the urging portion 22 is connected to a portion of the rotating portion 21 located outside the frame 1. The tensioning member 33 is filled in the limiting groove and abutted against the threaded rod 32 and the rotating part 21, so that the tensioning effect can be achieved, and when the rotating part 21 rotates, the threaded rod 32 can be driven to rotate through static friction force among the threaded rod 32, the rotating part 21 and the tensioning member 33. This application is through applying external force to application of force portion 22 promptly, can drive the rotating part 21 and rotate, rethread tensioning member 33 drives threaded rod 32 rotatory, at this moment, because nut 31 is fixed with frame 1, nut 31 can apply the guiding force that corresponds the direction of rotation to threaded rod 32 according to the direction of rotation of threaded rod 32, this guiding force can be greater than threaded rod 32, static frictional force between rotating part 21 and the tensioning member 33, make threaded rod 32 go up and down in holding chamber 211, this application is through being connected application of force portion 22 and rotating part 21 and being located frame 1's outside promptly, not only be convenient for apply external force and realize the lift of threaded rod 32, still need not the instrument and can also accomplish the lift of threaded rod 32 in less space, and the suitability is good.
In this embodiment, referring to fig. 4, the force application portion 22 may be vertically connected to the rotation portion 21, so that the force application portion 22 and the rotation portion 21 are integrally formed in a "7" shape, which facilitates the application of force to the force application portion 22.
In this embodiment, referring to fig. 1 to 4, the frame 1 may include four side plates 11 connected to each other and a mounting plate 12 connected to the side plates 11, the four side plates 11 may be rectangular as a whole, and the mounting plate 12 may be connected to the moving device. Of course, the frame 1 may have other shapes or structural configurations, for example, the shape of the frame 1 may be a sphere, and the application is not limited thereto.
In this embodiment, referring to fig. 1 to 4, the rotary lifting device further includes a support foot 4 connected to the second end of the threaded rod 32, and the support foot 4 can increase the contact area with the ground to improve the positioning stability. This bottom surface of supporting lower margin 4 can with the bottom surface parallel and level of threaded rod 32, when threaded rod 32 butt is subaerial, support lower margin 4 also butt on ground, perhaps, the bottom surface of threaded rod 32 can be higher than the bottom surface of supporting lower margin 4, make and support lower margin 4 butt subaerial at first. The shape of the supporting feet 4 may be a disk shape, but may also be other shapes, such as a rectangular shape, and the present application is not limited thereto.
In some embodiments, referring to fig. 1 to 4, the rotating portion 21 includes a first connecting portion 212, an accommodating portion 213 and a second connecting portion 214, the first connecting portion 212 is located on the frame 1, the accommodating portion 213 is located inside the frame 1 and connected to the first connecting portion 212, the accommodating portion 213 has an accommodating cavity 211 therein, the second connecting portion 214 is located outside the frame 1 and connected to the first connecting portion 212, and the second connecting portion 214 is connected to the force applying portion 22. That is, the rotating portion 21 is divided into three parts to facilitate the assembly of the rotating portion 21, for example, the accommodating portion 213 may be first fitted on the threaded rod 32, the first connecting portion 212 may be placed on the frame 1 to be connected to the accommodating portion 213, and finally the second connecting portion 214 may be connected to the first connecting portion 212 outside the frame 1.
In this embodiment, the frame 1 has a first through hole and a second through hole, which are oppositely disposed, the first through hole may be located at the top of the frame 1, the second through hole may be located at the bottom of the frame 1, and the first through hole and the second through hole are located on the same straight line. The first connecting portion 212 is disposed on the frame 1 through the first through hole, the size of the upper half portion of the first connecting portion 212 may be larger than that of the first through hole, and the lower half portion of the first connecting portion 212 may pass through the first through hole, so that the first connecting portion 212 may not fall off from the first through hole.
Furthermore, a nut 31 is fixedly connected to the frame 1 and arranged around the second through hole, through which the threaded rod 32 can pass through the frame 1 while being connected to the nut 31. The threaded rod 32, the receiving portion 213, and the first connecting portion 212 are positioned on the same line to facilitate the elevation of the threaded rod 32.
In this embodiment, referring to fig. 1 to 4, the rotating portion 21 further includes a first fixing pin 215 located in the first connecting portion 212 and connected to the first connecting portion 212, and the second connecting portion 214 is rotatably connected to the first fixing pin 215. That is, the upper half of the first connection portion 212 is hollow, and has two first holes that are arranged relatively, the second connection portion 214 has a first rotation hole, the two first holes and the first rotation hole are located on the same straight line, the first fixing pin 215 passes through the two first holes and the first rotation hole simultaneously, and the rotation connection of the second connection portion 214 and the first fixing pin 215 can be realized, and the assembly is simple, thereby when the threaded rod 32 needs to be lifted, the second connection portion 214 can be rotated to the position that is located on the same straight line with the first connection portion 212, when the threaded rod 32 does not need to be lifted, the second connection portion 214 can be rotated to the position that is abutted against the frame 1, so as to reduce the occupied space of the rotary lifting device.
In addition, the second connection portion 214 can rotate in a direction perpendicular to the axial direction of the first fixing pin 215, and when the threaded rod 32 needs to be lifted, the force application portion 22 can drive the second connection portion 214 to rotate in a direction parallel to the axial direction of the first fixing pin 215, so as to drive the first fixing pin 215 and the first connection portion 212 to rotate.
In this embodiment, referring to fig. 1, the upper half portion of the first connecting portion 212 further has a relief groove 216, so that the second connecting portion 214 can rotate to a position abutting against the frame 1 through the relief groove 216.
In this embodiment, referring to fig. 1 to 4, the rotating portion 21 further includes a second fixing pin 217 located in the second connecting portion 214 and connected to the second connecting portion 214, and the force applying portion 22 is rotatably connected to the second fixing pin 217. That is, the second connecting portion 214 has two second holes that set up relatively, the force application portion 22 has the second and rotates the hole, two second holes and second rotate the hole and are located same straight line, the second fixed pin 217 passes two second holes and second simultaneously and rotates the hole and can realize that the rotation of force application portion 22 and second fixed pin 217 is connected, and the assembly is simple, thereby when the threaded rod 32 needs to go up and down, can rotate the force application portion 22 to the position perpendicular to the second connecting portion 214, so that the application of force, when the threaded rod 32 need not go up and down, can rotate the position of force application portion 22 to with the butt of second connecting portion 214, so that reduce the occupation space of rotatory elevating gear.
In addition, the force application portion 22 can rotate in a direction perpendicular to the axial direction of the second fixing pin 217, and when the threaded rod 32 needs to be lifted, the force application portion 22 can drive the second connection portion 214 to rotate in a direction parallel to the axial direction of the second fixing pin 217, so as to drive the second fixing pin 217 and the second connection portion 214 to rotate. The force application part 22 may correspond to a wrench so as to apply an external force, and the force application part 22 may be sized to enable the screw rod 32 to be lifted even if it is small, for example, the length of the force application part 22 may be equal to or slightly greater than the width of the frame 1 so as to further reduce a space required for lifting and lowering the screw rod 32.
Further, referring to fig. 3 and 4, the second connecting portion 214 has a receiving groove 2141 therein, and the rotating portion 21 further includes a position-limiting portion 218 located in the receiving groove 2141 and connected to the second connecting portion 214. The second fixing pin 217 may be located in the receiving groove 2141. When the threaded rod 32 does not need to be lifted, the force application portion 22 can be rotated into the receiving groove 2141 so as to further reduce the occupied space of the rotary lifting device, and the limiting portion 218 can block the force application portion 22 when the force application portion 22 is rotated into the receiving groove 2141 so as to limit the force application portion 22 from continuing to rotate and rotating out of the receiving groove 2141, thereby ensuring that the force application portion 22 can be located in the receiving groove 2141.
In this embodiment, referring to fig. 2 to 4, a third hole is formed in a lower half portion of the first connecting portion 212, the accommodating portion 213 has two fourth holes oppositely disposed and communicated with the accommodating cavity 211, the lower half portion of the first connecting portion 212 is located in the accommodating cavity 211, the third hole and the two fourth holes are located on the same straight line, and the rotating portion 21 further includes a third fixing pin 219 passing through the third hole and the two fourth holes to fix the first connecting portion 212 and the accommodating portion 213, so that the assembly process can be simplified.
In some embodiments, referring to fig. 3 and 4, the receiving portion 213 includes a surrounding wall 2131 having a receiving cavity 211, and an inner protrusion 2132 located in the receiving cavity 211 and connected to the surrounding wall 2131, wherein the threaded rod 32, the surrounding wall 2131, and the inner protrusion 2132 define a limiting groove. The inner protrusion 2132 can bear the tensioning piece 33, and can prevent the tensioning piece 33 from falling from the limiting groove, so that the tensioning piece 33 can be always positioned in the limiting groove.
Further, referring to fig. 3 and 4, the threaded shaft 32 includes a threaded shaft 321 and an outer protrusion 322, the outer protrusion 322 is connected to the end of the threaded shaft 321 located in the receiving cavity 211 and extends toward a direction close to the surrounding wall 2131, and the outer protrusion 322, the threaded shaft 321, the surrounding wall 2131 and the inner protrusion 2132 define a limiting groove. Namely, a part of the screw 321 is located in the accommodating cavity 211, the end part of the outer protrusion 322 connected with the screw 321 can block the tension element 33, and the two ends of the tension element 33 are limited by the outer protrusion 322 and the inner protrusion 2132, so that the tension element 33 can be further ensured to be always located in the limiting groove.
In this embodiment, referring to fig. 2 to 4, the screw 321 includes a first rod 3211 and a second rod 3212, a portion of the first rod 3211 is located in the accommodating cavity 211, the second rod 3212 has a thread matching with the nut 31, and the second rod 3212 passes through the second through hole to connect with the nut 31. The bottom of the first rod 3211 has a groove, the first rod 3211 further has two fifth holes communicating with the groove, the top of the second rod 3212 is located in the groove, and the top of the second rod 3212 has a sixth hole, the two fifth holes and the sixth hole are located on the same straight line, the screw 321 further includes a fourth fixing pin 3213 passing through the two fifth holes and the sixth hole simultaneously to fix the first rod 3211 and the second rod 3212, which can simplify the assembly process.
In addition, referring to fig. 3 and 4, a first threaded hole is formed in the top of the first rod 3211, i.e., the end of the first rod 3211 located in the accommodating cavity 211, a second threaded hole is formed in the outer protrusion 322, the first threaded hole and the second threaded hole are located on the same straight line, and the stud 5 is screwed into the first threaded hole and the second threaded hole to connect the first rod 3211 and the outer protrusion 322. Of course, other connecting means, such as welding or bonding, may be used to connect the first rod 3211 and the outer protrusion 322, and the application is not limited thereto.
In some embodiments, the tensioning member 33 may be a spring, such as a compression spring. Threaded rod 32 is in the time of going up and down, the height of spacing groove also can follow the lift of threaded rod 32 and change, for example, the height of spacing groove can be dwindled when threaded rod 32 descends, the height of spacing groove can be increased when threaded rod 32 ascends, and the height of spring can follow the altitude variation of spacing groove and change, make the spring pack the spacing groove all the time, maximize threaded rod 32, area of contact between tensioning member 33 and the rotating part 21, guarantee at threaded rod 32 lift in-process, tensioning member 33 can tensioning threaded rod 32 and rotating part 21 all the time. Of course, the tensioning member 33 may be of other elastic structure, such as rubber, and the application is not limited thereto.
In some embodiments, referring to fig. 2 to 4, the rotary lifting device further includes a magnetic member 6 connected to the frame 1, and the magnetic member 6 is used for adsorbing the force application portion 22 when the second connection portion 214 rotates to a position abutting against the frame 1, that is, when the threaded rod 32 does not need to be lifted, so as to stabilize the force application portion 22 and the second connection portion 214, prevent the moving device from shaking during moving, and reduce collision.
In addition, referring to fig. 3 and 4, the magnetic member 6 may be a magnet. The magnetic part 6 is provided with a third threaded hole, the frame 1 is provided with a fourth threaded hole, the third threaded hole and the fourth threaded hole are positioned on the same straight line, and the stud 5 is screwed into the third threaded hole and the fourth threaded hole to realize the connection of the magnetic part 6 and the frame 1. Of course, other connection methods may be used to connect the magnetic member 6 and the frame 1, such as adhesion, and the application is not limited herein.
Referring to fig. 3 and 4, the working flow of the rotary lifting device of the present application is described as follows:
when the movement device needs to be positioned, the second connection portion 214 is rotated to a position in line with the first connection portion 212, the force application portion 22 is rotated to a position perpendicular to the second connection portion 214, and the force application portion 22 is rotated in a direction parallel to the axial direction of the second fixing pin 217, so that the threaded rod 32 is lowered until it abuts against the ground.
When the movement device is not to be positioned, the urging portion 22 is rotated in a direction parallel to the axial direction of the second fixing pin 217 to raise the threaded rod 32 so as not to abut against the ground, the second connecting portion 214 is rotated to a position abutting against the frame 1, and then the urging portion 22 is rotated into the receiving groove 2141.
Based on the above-mentioned rotatory elevating gear, this application embodiment still provides a telecontrol equipment, includes: the rotary lifting device is connected with the main body.
It should be noted that, through applying external force to the force application portion 22, the rotating portion 21 can be driven to rotate, and then the tightening member 33 drives the threaded rod 32 to rotate, at this time, because the nut 31 is fixed with the frame 1, the nut 31 can apply guiding force corresponding to the rotating direction to the threaded rod 32 according to the rotating direction of the threaded rod 32, the guiding force can be greater than the threaded rod 32, static friction force between the rotating portion 21 and the tightening member 33, and the threaded rod 32 is made to ascend and descend in the accommodating cavity 211, that is, in this application, the force application portion 22 is connected with the rotating portion 21 and located outside the frame 1, which not only facilitates applying external force to realize the ascending and descending of the threaded rod 32, but also can finish the ascending and descending of the threaded rod 32 in a small space without tools, thereby realizing the positioning of the moving device, and having good applicability.
In addition, install the truckle in order to remove in the main part, have the service brake on the truckle, can prevent through trampling the service brake that the truckle from removing, when the telecontrol moves to narrow space, do not have enough big space to trample the service brake for personnel, and rotatory elevating gear connects on the telecontrol equipment, need not the instrument and can realize the location of telecontrol equipment in less space.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed descriptions of other embodiments, and are not described herein again.
In a specific implementation, each component or structure may be implemented as an independent entity, or may be combined arbitrarily and implemented as one or several entities, and the specific implementation of each component or structure may refer to the foregoing embodiments, which are not described herein again.
The above detailed description is provided for a rotary lifting device and a moving device according to embodiments of the present invention, and the principle and the embodiments of the present invention are described herein by using specific examples, and the above description of the embodiments is only used to help understanding the method and the core concept of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A rotary lifting device, comprising: the device comprises a frame, a force application assembly and a lifting assembly;
the force application assembly comprises a rotating part and a force application part, wherein an accommodating cavity is formed in the rotating part, the part of the rotating part with the accommodating cavity penetrates through the frame and is positioned in the frame, and the force application part is connected with the rotating part and is positioned outside the frame;
lifting unit includes nut, threaded rod and tensioning piece, the nut with frame fixed connection, the threaded rod with the nut is connected, the first end of threaded rod is located hold in the chamber and with the rotating part prescribes a limit to the groove, the second end of threaded rod extends to the outside of frame, the tensioning piece fill in the limit groove and with the threaded rod with the rotating part butt.
2. The rotary lifting device of claim 1, wherein the rotating portion comprises a first connecting portion, a receiving portion, and a second connecting portion;
the first connecting part is positioned on the frame, the accommodating part is positioned in the frame and connected with the first connecting part, and an accommodating cavity is formed in the accommodating part;
the second connecting portion is located outside the frame and connected with the first connecting portion, and the second connecting portion is connected with the force application portion.
3. The rotary lift device of claim 2, wherein the rotary portion further comprises a first fixed pin positioned in the first connection portion and connected to the first connection portion, the second connection portion being rotationally connected to the first fixed pin.
4. The rotary lift device of claim 2, wherein the rotating portion further comprises a second securing pin positioned in the second connecting portion and connected to the second connecting portion, the force applying portion being pivotally connected to the second securing pin.
5. The rotary lifting device of claim 4, wherein the second connecting portion has a receiving groove therein, and the rotating portion further comprises a limiting portion located in the receiving groove and connected to the second connecting portion.
6. The rotary lift device recited in any one of claims 2 to 5 wherein the receiving portion includes a peripheral wall having the receiving cavity and an inner projection located in the receiving cavity and connected to the peripheral wall, the threaded rod, the peripheral wall and the inner projection defining the retaining groove.
7. The rotary lifting device of claim 6, wherein the threaded rod comprises a threaded rod and an outer protrusion, the outer protrusion is connected to an end of the threaded rod at the receiving cavity and extends in a direction close to the surrounding wall, and the outer protrusion, the threaded rod, the surrounding wall and the inner protrusion define the limiting groove.
8. A rotary lifting device according to any one of claims 1 to 5, characterised in that the tensioning member is a spring.
9. The rotary lift device recited in any one of claims 1 to 5 further including a magnetic member connected to the frame.
10. An exercise device, comprising: a body and a rotary lifting device as claimed in any one of claims 1 to 9, the rotary lifting device being connected to a bottom of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121482118.4U CN215326731U (en) | 2021-06-30 | 2021-06-30 | Rotary lifting device and movement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121482118.4U CN215326731U (en) | 2021-06-30 | 2021-06-30 | Rotary lifting device and movement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215326731U true CN215326731U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121482118.4U Active CN215326731U (en) | 2021-06-30 | 2021-06-30 | Rotary lifting device and movement device |
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| Country | Link |
|---|---|
| CN (1) | CN215326731U (en) |
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2021
- 2021-06-30 CN CN202121482118.4U patent/CN215326731U/en active Active
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