CN216030911U - Low-load limiting force arm mechanism for children education robot - Google Patents
Low-load limiting force arm mechanism for children education robot Download PDFInfo
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- CN216030911U CN216030911U CN202120282043.9U CN202120282043U CN216030911U CN 216030911 U CN216030911 U CN 216030911U CN 202120282043 U CN202120282043 U CN 202120282043U CN 216030911 U CN216030911 U CN 216030911U
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Abstract
The utility model provides a low-load limiting force arm mechanism for a child education robot, which comprises a support arm, an extension arm and a connecting seat, wherein the support arm comprises a pair of parallel column connecting rods, a first connecting shaft and a second connecting shaft are arranged between the two column connecting rods, the first connecting shaft is parallel to the second connecting shaft, a preset spacing distance is reserved between the first connecting shaft and the second connecting shaft, the extension arm comprises an upper connecting rod and a lower connecting rod which are parallel to each other, one end of the upper connecting rod is rotatably connected with the first connecting shaft, one end of the lower connecting rod is rotatably connected with the second connecting shaft, the other end of the upper connecting rod and the other end of the lower connecting rod are hinged with the connecting seat, a driving gear is arranged on the second connecting shaft, the driving gear is fixedly connected with the lower connecting rod, the driving gear and the lower connecting rod rotate coaxially and together, an elastic rope is arranged on one side of the support arm, one end of the elastic rope is fixed on the supporting arm, and the other end of the elastic rope is fixed on the extending arm or the connecting seat.
Description
Technical Field
The utility model relates to the field of children education appliances, in particular to a low-load limiting force arm mechanism for a children education robot.
Background
With the development of the times, a novel education mode which integrates information technology, inherits the education concept of open innovation and experience exploration, takes creation middle school as a main learning mode and aims at cultivating various innovative talents is produced. Traditional Education has deep industrialized branding, and is typical Knowledge-Based Education (Knowledge-Based Education); the current children Education is ability-oriented Education (competition-Based Education) adapted to the development of the knowledge economy age. At present, children education is a quality education combining scientific invention culture and education, based on student interests, in a project learning mode, digital tools are used, creatures are advocated, sharing is encouraged, and the problem solving capability, team cooperation capability and innovation capability across subjects are cultured. The education mode contains rich education ideas, and the most prominent is the idea of Learning By By Doing, which is proposed By Duwei as the American practical education. The method is characterized in that the learning is carried out from the middle, namely the learning from the activity is carried out, and the learning from the real experience is carried out, so that the learned knowledge and the life practice are connected, and the learning is integrated. Modern children also emphasize the subjective feelings of students and guide the students to develop happy and independent learning habits. The education content is often closely related to the solution of the real problem, and is problem-oriented education, which enables students to find the real problem, seek creative solutions and make the problem realistic by making efforts. The children education robot is composed of various parts and used for the students to splice various assemblies (robots) by using various parts, so that diversification and standardization of the related parts are considered in design of the related parts; not only the reasonable strength of the structure but also the lightness need to be considered, so the prior art needs to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the utility model aims to provide a low-load limiting moment arm mechanism for a children education robot.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a low-load limiting force arm mechanism for a child education robot, which comprises a support arm, an extension arm and a connecting seat, wherein the support arm comprises a pair of parallel column connecting rods, a first connecting shaft and a second connecting shaft are arranged between the two column connecting rods, the first connecting shaft is parallel to the second connecting shaft, a preset spacing distance is reserved between the first connecting shaft and the second connecting shaft, the extension arm comprises an upper connecting rod and a lower connecting rod which are parallel to each other, one end of the upper connecting rod is rotatably connected with the first connecting shaft, one end of the lower connecting rod is rotatably connected with the second connecting shaft, the other end of the upper connecting rod and the other end of the lower connecting rod are hinged with the connecting seat, a driving gear is arranged on the second connecting shaft, the driving gear is fixedly connected with the lower connecting rod, the driving gear and the lower connecting rod rotate coaxially and together, an elastic rope is arranged on one side of the support arm, one end of the elastic rope is fixed on the supporting arm, and the other end of the elastic rope is fixed on the extending arm or the connecting seat.
Furthermore, the low-load limiting force arm mechanism for the children education robot is characterized in that the lower connecting rod is a pair of parallel rods.
Furthermore, the low-load limiting force arm mechanism for the children education robot is characterized in that a fixing block is arranged between the parallel rods of the lower connecting rod.
Furthermore, the low-load limiting force arm mechanism for the children education robot is characterized in that the two fixing blocks are arranged at intervals.
Further, a spacing arm of force mechanism of low load for children education robot, still include driving motor, driving motor installs in one side of support arm, driving motor drive gear rotates.
Further, a spacing arm of force mechanism of low load for children education robot, driving motor sets up in the one side that is close to drive gear, driving motor's output is located the inboard of support arm, and with drive gear engagement.
Further, a low-load limiting force arm mechanism for the children education robot, wherein the supporting arm is vertically arranged.
Furthermore, the low-load limiting force arm mechanism for the children education robot is characterized in that the upper connecting rod is a single rod and is positioned right above a central line between the parallel rods of the lower connecting rod.
Further, a low-load limiting force arm mechanism for the children education robot, the connecting seat is a U-shaped component, and a U-shaped opening of the connecting seat is arranged upwards.
Compared with the prior art, the low-load limiting force arm mechanism for the children education robot comprises a support arm, an extension arm and a connecting seat, wherein the support arm comprises a pair of parallel column connecting rods, a first connecting shaft and a second connecting shaft are arranged between the two column connecting rods, the first connecting shaft is parallel to the second connecting shaft, a preset spacing distance is reserved between the first connecting shaft and the second connecting shaft, the extension arm comprises an upper connecting rod and a lower connecting rod which are parallel to each other, one end of the upper connecting rod is rotatably connected with the first connecting shaft, one end of the lower connecting rod is rotatably connected with the second connecting shaft, the other end of the upper connecting rod and the other end of the lower connecting rod are hinged with the connecting seat, a driving gear is arranged on the second connecting shaft, the driving gear is fixedly connected with the lower connecting rod, the driving gear and the lower connecting rod rotate coaxially, an elastic rope is arranged on one side of the support arm, one end of the elastic rope is fixed on the supporting arm, and the other end of the elastic rope is fixed on the extending arm or the connecting seat. The utility model is used as a force arm to be assembled on the children education robot and can be used for executing lifting action, and the connecting seat is used for assembling and connecting other functional components. The utility model pulls the extension arm through the elastic rope, so that the extension arm slowly falls down when falling, and the extension arm can offset part of the weight of the head of the connecting seat when being lifted up, thereby reducing the load on related driving parts (driving motors) in the process of driving the extension arm to lift up and fall down, ensuring that the action of the extension arm is more smooth, and being beneficial to prolonging the service life of parts. Specifically, one end of the elastic rope is fixed at the top end of one side of the supporting arm, and the other end of the elastic rope is fixed at the extending tail end of the lower connecting rod.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of a low-load limit moment arm mechanism for a child education robot according to the present invention.
Fig. 2 is a main structural schematic diagram of a low-load limit moment arm mechanism for a child education robot provided by the utility model.
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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-2, the low-load limit moment arm mechanism for a child education robot provided by the utility model comprises a support arm 301, a projecting arm 302 and a connecting seat 306, wherein the support arm 301 comprises a pair of parallel column connecting rods, a first connecting shaft 309 and a second connecting shaft 310 are arranged between the two column connecting rods, the first connecting shaft 309 and the second connecting shaft 310 are parallel and have a preset spacing distance, the projecting arm 302 comprises an upper connecting rod 303 and a lower connecting rod 304 which are parallel to each other, one end of the upper connecting rod 303 is rotatably connected with the first connecting shaft 309, one end of the lower connecting rod 304 is rotatably connected with the second connecting shaft 310, the other end of the upper connecting rod 303 is hinged with the lower connecting rod 304, a driving gear 307 is arranged on the second connecting shaft 310, and the driving gear 307 is fixedly connected with the lower connecting rod 304, the driving gear 307 and the lower connecting rod 304 rotate coaxially, an elastic rope 315 is arranged on one side of the supporting arm 301, one end of the elastic rope 315 is fixed on the supporting arm 301, and the other end of the elastic rope 315 is fixed on the extending arm 301 or the connecting seat 306. The connecting base 306 is used for being assembled on the children education robot as a force arm and can be used for executing lifting actions, and the connecting base 306 is used for being assembled and connected with other functional components. The utility model pulls the extension arm through the elastic rope, so that the extension arm slowly falls down when falling, and the extension arm can offset part of the weight of the head of the connecting seat when being lifted up, thereby reducing the load on related driving parts (driving motors) in the process of driving the extension arm to lift up and fall down, ensuring that the action of the extension arm is more smooth, and being beneficial to prolonging the service life of parts. Specifically, one end of the elastic rope is fixed at the top end of one side of the supporting arm, and the other end of the elastic rope is fixed at the extending tail end of the lower connecting rod.
Further, in the low-load limit moment arm mechanism for the child education robot of the present invention, the lower link 304 is a pair of parallel rods.
Further, according to the low-load limit moment arm mechanism for the child education robot, a fixing block 305 is arranged between the parallel rods of the lower connecting rod 304. The fixing block 305 is provided to greatly improve the structural strength of the lower connecting rod 304.
Further, according to the low-load limiting arm-force mechanism for the child education robot, the two fixing blocks 305 are arranged at intervals.
Further, the low-load limit moment arm mechanism for the child education robot further comprises a driving motor 308, wherein the driving motor 308 is installed on one side of the supporting arm 301, and the driving motor 308 drives the driving gear 307 to rotate.
Further, according to the low-load limit moment arm mechanism for the child education robot provided by the utility model, the driving motor 308 is arranged at one side close to the driving gear 307, and the output part of the driving motor 308 is positioned at the inner side of the supporting arm 301 and is meshed with the driving gear 307.
Further, according to the low-load limiting force arm mechanism for the children education robot, the supporting arm 301 is vertically arranged, so that the stability of the low-load limiting force arm mechanism assembled on the children education robot is guaranteed.
Further, in the low-load limit moment arm mechanism for the child education robot according to the present invention, the upper link 303 is a single rod and is located right above a center line between the parallel rods of the lower link 304.
Further, according to the low-load limiting moment arm mechanism for the child education robot, provided by the utility model, the connecting base 306 is a U-shaped component, and a U-shaped opening of the connecting base is arranged upwards.
In conclusion, the connecting seat is used as a force arm to be assembled on the children education robot and can be used for executing lifting actions, and the connecting seat is used for assembling and connecting other functional components. The utility model pulls the extension arm through the elastic rope, so that the extension arm slowly falls down when falling, and the extension arm can offset part of the weight of the head of the connecting seat when being lifted up, thereby reducing the load on related driving parts (driving motors) in the process of driving the extension arm to lift up and fall down, ensuring that the action of the extension arm is more smooth, and being beneficial to prolonging the service life of parts. Specifically, one end of the elastic rope is fixed at the top end of one side of the supporting arm, and the other end of the elastic rope is fixed at the extending tail end of the lower connecting rod.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a spacing arm of force mechanism of low load for children education robot, its characterized in that includes support arm, cantilever arm and connecting seat, the support arm includes a pair of parallel post connecting rod, is provided with first connecting axle and second connecting axle between two post connecting rods, first connecting axle is parallel with the second connecting axle, and predetermines the spacing distance, the cantilever arm includes upper connecting rod and lower connecting rod that are parallel to each other, the one end and the first connecting axle of upper connecting rod rotationally are connected, the one end and the second connecting axle of lower connecting rod rotationally are connected, the other end of upper connecting rod with the other end of lower connecting rod with the connecting seat is articulated, be provided with drive gear on the second connecting axle, drive gear with lower connecting rod fixed connection, drive gear with the coaxial corotation of lower connecting rod, one side of support arm is provided with the stretch cord, one end of the elastic rope is fixed on the supporting arm, and the other end of the elastic rope is fixed on the extending arm or the connecting seat.
2. The low load limit moment arm mechanism for a child education robot according to claim 1, wherein the lower link is a pair of parallel bars.
3. The low-load limit moment arm mechanism for the children's education robot according to claim 2, wherein a fixed block is disposed between the parallel rods of the lower link.
4. The low-load limit moment arm mechanism for the children's education robot according to claim 3, wherein the fixing blocks are two and spaced apart.
5. The low-load limit moment arm mechanism for the children's education robot according to claim 3, further comprising a driving motor installed at one side of the supporting arm, the driving motor driving the driving gear to rotate.
6. The low-load limit moment arm mechanism for a child education robot according to claim 5, wherein the driving motor is provided at a side close to a driving gear, and an output part of the driving motor is located at an inner side of the supporting arm and engaged with the driving gear.
7. The low load limit moment arm mechanism for a child education robot according to claim 6, wherein the support arm is vertically disposed.
8. The low-load limit moment arm mechanism for a child education robot according to claim 7, wherein the upper link is a single rod located right above a center line between the parallel rods of the lower link.
9. The low-load limit moment arm mechanism for the children's education robot according to claim 1, wherein the connection seat is a U-shaped member with its U-shaped opening disposed upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120282043.9U CN216030911U (en) | 2021-02-01 | 2021-02-01 | Low-load limiting force arm mechanism for children education robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120282043.9U CN216030911U (en) | 2021-02-01 | 2021-02-01 | Low-load limiting force arm mechanism for children education robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216030911U true CN216030911U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120282043.9U Active CN216030911U (en) | 2021-02-01 | 2021-02-01 | Low-load limiting force arm mechanism for children education robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216030911U (en) |
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2021
- 2021-02-01 CN CN202120282043.9U patent/CN216030911U/en active Active
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