CN211030077U - Connecting shaft assembly and desktop robot - Google Patents

Abstract

The utility model provides a connecting axle subassembly and desktop robot, the connecting axle subassembly includes: the first rotating shaft assembly comprises an inner shaft, a supporting ring and a fixing plate, the supporting ring is sleeved on the outer side wall of the inner shaft, and the fixing plate is arranged on the inner shaft and is arranged at intervals with the supporting ring along the axial direction of the inner shaft; the second rotating shaft assembly comprises an outer shaft and a supporting plate, the outer shaft can be rotatably sleeved on the outer side wall of the inner shaft and is positioned between the supporting ring and the fixing plate, the supporting plate is rotatably sleeved on the outer side wall of the inner shaft through the first through hole, one surface of the supporting plate is attached to the outer shaft, and the other surface of the supporting plate is attached to the supporting ring; the widening parts arranged on the outer side walls of the protruding outer shafts are arranged on the supporting plate and the supporting ring. This scheme has increased the support area of connecting axle subassembly through the widened portion for parts such as robot head are difficult for taking place to rock under the external force interference. While ensuring a predetermined resistance between the first and second rotary shaft assemblies by the frictional force between the widened portions and the action of the fixed plate and the outer shaft.

Description

A connecting shaft assembly and a desktop robot

technical field

The utility model relates to the field of rotational connection, more particularly, to a connection shaft assembly and a desktop robot.

Background technique

For the desktop robot, the robot chassis and the robot body are connected through the connecting shaft assembly, but the contact area between the connecting shaft assembly and the chassis of the current desktop robot is small, so when the head of the desktop robot is disturbed by external forces , the head is easy to shake back and forth, thus reducing the user experience.

Therefore, how to design a connecting shaft assembly that is not easily shaken under external force interference and a desktop robot including the connecting shaft assembly has become an urgent problem to be solved at present.

Utility model content

In order to solve the technical problems raised in the above background art, according to an embodiment of the present invention, a connecting shaft assembly is provided.

According to another embodiment of the present invention, there is provided a desktop robot including the above-mentioned connecting shaft assembly.

In a first aspect of the present invention, a connecting shaft assembly is provided, the connecting shaft assembly includes: a first rotating shaft assembly, the first rotating shaft assembly includes an inner shaft, a support ring, and a fixing plate, and the support ring is sleeved is installed on the outer side wall of the inner shaft, the fixing plate is installed on the inner shaft, and is spaced from the support ring along the axial direction of the inner shaft; the second shaft assembly, the second The rotating shaft assembly includes an outer shaft and a support plate, the outer shaft is rotatably sleeved and installed on the outer side wall of the inner shaft, and is located between the support ring and the fixing plate, and the support plate is provided with a first A through hole, the support plate is rotatably sleeved and installed on the outer side wall of the inner shaft through the first through hole, one side of the support plate is fitted with the outer shaft, the support plate The other side of the support ring is fitted with the support ring; wherein, the support plate and the support ring are both provided with a widened part protruding from the outer side wall of the outer shaft.

The connecting shaft assembly provided according to the embodiment of the present invention can be specifically used to connect two parts that need to be rotated, such as a robot head and a robot chassis. Specifically, the connecting shaft assembly includes a first rotating shaft assembly and a second rotating shaft assembly. The first rotating shaft assembly can be connected with the chassis and other components of the desktop robot, and the second rotating shaft assembly is used for connecting with the robot head, etc., so that the chassis is Parts such as the robot head and other parts can be installed relative to each other. The first rotating shaft assembly includes an inner shaft, a supporting ring and a fixing plate, wherein the inner shaft is used to form a rotation center with the outer shaft of the second rotating shaft assembly, and the supporting ring is used to contact and cooperate with the supporting plate to make the two rotating A certain rotational resistance can be formed between the components. The fixing plate is used for contact and cooperation with the upper end of the outer shaft, so as to further increase the rotational resistance between the two rotating components. The support plate and the support ring are both provided with widened parts protruding from the outer sidewall of the outer shaft, so that the support plate and the support ring can increase the contact area of the two through their respective widened parts, thereby increasing the connecting shaft assembly. The area in contact with the chassis, etc., so that when the connection between the two rotating parts is performed through the connecting shaft assembly, the supporting area of the connecting shaft assembly can be increased, so that parts such as the robot head can be generated on the screen of the user operating the robot. It is less likely to shake under external force and other interference. At the same time, the present application can further form a predetermined resistance through the friction force between the widened portion of the support plate and the widened portion of the support ring, so that through the action of the fixing plate and the outer shaft, as well as the dual action of the support plate and the support ring The predetermined resistance between the first rotating shaft assembly and the second rotating shaft assembly can be ensured, and in this way, the axial volume of the connecting shaft assembly can be reduced, thereby reducing the height of the desktop robot after installation. In this way, the product can utilize the limited axial distance, which not only ensures the predetermined rotational resistance between the two parts that need to be connected in rotation, but also ensures that the product can resist the possible shaking caused by external force interference, thereby reducing the impact of desktop robots and other products. Shake, improve the stability of products such as desktop robots.

Further preferably, the inner shaft is provided with a second through hole along the axial direction of the inner shaft, the fixing plate is installed on the end of one end of the inner shaft, and the support ring is installed on the inner shaft. A third through hole is provided on the outer side wall of the other end of the inner shaft and along the axial direction of the inner shaft on the fixing plate, and the second through hole and the third through hole are coaxial.

Further preferably, the shape and size of the second through hole are the same as the shape and size of the third through hole.

Based on the above technical solution, the outer side wall of the outer shaft is flush with the outer side wall of the fixing plate.

Further preferably, the fixing plate is a stainless steel plate, and the supporting plate is a stainless steel plate.

In a specific solution, the outer shaft is made of one of plastic, rubber, silica gel and resin, and the support ring is made of one of plastic, rubber, silica gel and resin.

In a preferred solution, both the outer shaft and the support ring are made of polytetrafluoroethylene.

On the basis of the above technical solution, the support ring is provided with a fourth through hole, the support ring is sleeved and installed on the inner shaft through the fourth through hole, and the fourth through hole is located in the support ring. Eccentric setting on the ring. Based on the above technical solution, the first through hole is eccentrically arranged on the support plate.

Further preferably, the widened portion on the support plate is annularly disposed along the circumferential direction of the support plate, and the widened portion on the support ring is annularly disposed along the circumferential direction of the support ring.

Further preferably, the inner shaft, the support ring and the fixing plate are all circular; the outer shaft and the supporting plate are all circular.

In a second aspect of the present utility model, a desktop robot is provided, comprising: a body, a chassis and a connecting shaft assembly provided by any one of the technical solutions of the first aspect of the present utility model; the connecting shaft assembly is installed on the On the chassis, the fuselage is connected with the second rotating shaft assembly, and can rotate around the inner shaft together with the second rotating shaft assembly.

According to the desktop robot provided by the embodiments of the present invention, the body and the chassis are connected through the connecting shaft assembly provided in any one of the embodiments of the first aspect. In view of the fact that the connecting shaft assembly provided by any embodiment of the first aspect can utilize the limited space in the axial direction, while ensuring the predetermined resistance, the contact area between the connecting shaft assembly and the chassis is increased, so that the chassis can pass through the connecting shaft assembly better The ground forms a stable support for the body, so that when the user uses the desktop robot, even if the user clicks the head screen of the desktop robot with great effort, the body and chassis will not easily shake, so as to ensure the stability of the desktop robot. , to reduce the shaking of the desktop robot during use. At the same time, in view of the fact that the desktop robot provided by the embodiment of the present invention also includes the connecting shaft assembly provided by any one of the embodiments of the first aspect, the desktop robot provided by the embodiment of the present invention also includes the implementation of any one of the first aspect. The beneficial effects of the connecting shaft assembly provided in the example are not repeated here.

Further preferably, the fuselage includes a head and a torso, and an operation screen is provided on the head. The user can operate the desktop robot by clicking on the operation screen. However, in the present application, since the connecting shaft assembly with a larger supporting surface is used to perform the rotational connection between the trunk and the chassis, when the user clicks on the operation screen, it is not easy to cause the body to shake back and forth, thereby improving the operation process of the desktop robot. stability.

It should be understood that the content described in the Summary of the Invention is not intended to limit the key or important features of the embodiments of the present invention, nor is it intended to limit the scope of the present invention. Other features of the present invention will become easily understood from the following description.

Description of drawings

The above and other features, advantages and aspects of various embodiments of the present invention will become more apparent when taken in conjunction with the accompanying drawings and with reference to the following detailed description. In the drawings, the same or similar reference numbers refer to the same or similar elements, wherein:

1 shows a schematic structural diagram of a connecting shaft assembly provided by an embodiment of the present invention;

2 shows a schematic structural diagram of a desktop robot provided by an embodiment of the present invention;

FIG. 3 shows another schematic structural diagram of a desktop robot provided by an embodiment of the present invention.

Wherein, the corresponding relationship between the reference numerals and the component names in Fig. 1 to Fig. 3 is:

1 connecting shaft assembly, 10 inner shaft, 102 second through hole, 12 supporting ring, 14 fixing plate, 142 third through hole, 16 outer shaft, 18 supporting plate, 2 chassis, 3 body, 32 head, 34 trunk department.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In addition, the term "and/or" in this article is only an association relationship to describe the associated objects, indicating that there can be three kinds of relationships, for example, A and/or B, it can mean that A exists alone, A and B exist at the same time, There are three cases of B alone. In addition, the character "/" in this document generally indicates that the related objects are an "or" relationship.

The connecting shaft assembly and the desktop robot including the connecting shaft assembly provided by the embodiments of the present invention will be described below with reference to FIGS. 1 to 3 .

As shown in FIG. 1 , the connecting shaft assembly 1 provided according to the embodiment of the first aspect of the present invention includes a first rotating shaft assembly and a second rotating shaft assembly.

Specifically, the first rotating shaft assembly includes an inner shaft 10 , a support ring 12 , and a fixing plate 14 . The support ring 12 is sleeved and installed on the outer side wall of the inner shaft 10 , and the fixing plate 14 is installed on the inner shaft 10 and is connected with the support ring 12 . The second shaft assembly includes an outer shaft 16 and a support plate 18. The outer shaft 16 is rotatably sleeved and installed on the outer side wall of the inner shaft 10, and is located on the support ring 12 and the fixing plate 14. In between, the support plate 18 is provided with a first through hole, the support plate 18 is rotatably sleeved and installed on the outer side wall of the inner shaft 10 through the first through hole, and one side of the support plate 18 is in contact with the outer shaft 16, The other side of the support plate 18 is in contact with the support ring 12 ; wherein, the support plate 18 and the support ring 12 are both provided with a widened portion protruding from the outer side wall of the outer shaft 16 .

The connecting shaft assembly 1 provided according to the embodiment of the present invention can be specifically used to connect two parts that need to be rotated, such as the robot head and the chassis 2 of the robot. Specifically, the connecting shaft assembly 1 includes a first rotating shaft assembly and a second rotating shaft assembly. The first rotating shaft assembly can be connected to the chassis 2 of the desktop robot and other components, while the second rotating shaft assembly is used to connect with the robot head, etc., so that The chassis 2 and other components and the robot head and other components can be relatively rotated and installed. The first shaft assembly includes an inner shaft 10 , a support ring 12 and a fixing plate 14 , wherein the inner shaft 10 is used to form a rotation center with the outer shaft 16 of the second shaft assembly, and the support ring 12 is used to contact the support plate 18 Matching, so that a certain rotational resistance can be formed between the two rotating components. The fixing plate 14 is used for contact and cooperation with the upper end of the outer shaft 16 to further increase the rotational resistance between the two rotating components. The support plate 18 and the support ring 12 are provided with a widened portion protruding from the outer side wall of the outer shaft 16, so that the support plate 18 and the support ring 12 can increase the contact area between the two through the respective widened portions, thereby increasing the contact area between the two. Increase the contact area between the connecting shaft assembly 1 and the chassis 2, etc., so that when the connection between the two rotating parts is performed through the connecting shaft assembly 1, the supporting area of the connecting shaft assembly 1 can be increased, so that the robot head, etc. The parts are less likely to shake under the interference of external forces generated by the user operating the robot's screen. At the same time, the present application can further form a predetermined resistance through the friction force between the widened portion of the support plate 18 and the widened portion of the support ring 12, so that through the action of the fixed plate 14 and the outer shaft 16, and the support plate 18 and The dual function of the support ring 12 can ensure a predetermined resistance between the first rotating shaft assembly and the second rotating shaft assembly, and this method can reduce the axial volume of the connecting shaft assembly 1, thereby reducing the height of the desktop robot after installation. In this way, the product can utilize the limited axial distance, which not only ensures the predetermined rotational resistance between the two parts that need to be connected in rotation, but also ensures that the product can resist the possible shaking caused by external force interference, thereby reducing the impact of desktop robots and other products. Shake, improve the stability of products such as desktop robots.

Among them, as shown in FIG. 1 , both the support plate 18 and the support ring 12 also include a mounting portion for self-installation, and the mounting portion and the width of the support plate 18 are integral structures, while the mounting portion of the support ring 12 and The width is increased as a one-piece structure.

Further preferably, the inner shaft 10 is provided with a second through hole 102 along the axial direction of the inner shaft 10 , the fixing plate 14 is installed at the end of one end of the inner shaft 10 , and the support ring 12 is installed at the other end of the inner shaft 10 A third through hole 142 is provided on the outer side wall of the fixed plate 14 along the axial direction of the inner shaft 10 , and the second through hole 102 and the third through hole 142 are coaxial.

In this embodiment, the fixed plate 14 and the support ring 12 are installed at both ends of the inner shaft 10 , and the outer shaft 16 and the support plate 18 can be sandwiched between the fixed plate 14 and the support ring 12 . And preferably, the second through hole 102 can be provided on the inner shaft 10, so that on the one hand, the outer diameter of the inner shaft 10 can be ensured to be larger, and the consumables and weight of the inner shaft 10 can also be reduced. The hole 102 is used to realize the positioning and installation of the inner shaft 10 and the bottom of the robot. The fixing plate 14 is preferably installed on the end face of the inner shaft 10. Of course, the fixing plate 14 can also be directly sleeved and installed on the inner shaft 10. At the same time, in order to facilitate the parts installed on the inner shaft 10 to pass through the inner shaft 10, it can also be installed on the inner shaft 10. The fixing plate 14 is provided with a third through hole 142 . Of course, when the inner shaft 10 does not pass through parts, the fixing plate 14 may not be provided with the third through hole 142 .

On the basis of the above-mentioned embodiment, further preferably, the shape and size of the second through hole 102 are the same as the shape and size of the third through hole 142 .

In this embodiment, the shape and size of the second through hole 102 are consistent with the shape and size of the third through hole 142 , so that the fixing plate 14 and the inner shaft 10 can be better fitted, and at the same time, the internal shaft 10 can be prevented from When passing through the parts, the fixing plate 14 blocks the parts, causing additional wear of the parts and unsmooth operation of the equipment.

On the basis of the above embodiment, the outer side wall of the outer shaft 16 is flush with the outer side wall of the fixing plate 14 . In this way, the outer side wall of the connecting shaft assembly 1 can be smoothly transitioned, which not only ensures the aesthetics of the connecting shaft assembly 1, but also facilitates the fitting and installation of the connecting shaft assembly 1 with other objects.

On the basis of the above embodiment, preferably, the fixing plate 14 is a stainless steel plate, and the supporting plate 18 is a stainless steel plate.

In this embodiment, the fixing plate 14 and the supporting plate 18 are preferably stainless steel plates made of stainless steel, which can ensure the strength of the fixing plate 14 and the supporting plate 18 and improve the wear resistance of the fixing plate 14 and the supporting plate 18 .

In the above-mentioned specific embodiment, the outer shaft 16 is made of one of plastic, rubber, silicone and resin; and/or the support ring 12 is made of one of plastic, rubber, silicone and resin.

Preferably, however, both the outer shaft 16 and the support ring 12 are made of polytetrafluoroethylene.

On the basis of the above embodiment, the support ring 12 is provided with a fourth through hole, the support ring 12 is sleeved and mounted on the inner shaft 10 through the fourth through hole, and the fourth through hole is eccentrically arranged on the support ring 12; and/or The first through hole is eccentrically arranged on the support plate 18 .

In this embodiment, a fourth through hole is provided on the support ring 12, so that the support ring 12 can be sleeved and installed on the inner shaft 10 through the fourth through hole, so that the support ring 12 and the inner shaft can be easily and conveniently realized Positioning installation between 10. The position of the fourth through hole on the support ring 12 and the position of the first through hole on the support plate 18 can be set according to the parts that actually need to be connected, but generally, when the connecting shaft assembly 1 is used on a desktop robot, etc. , it is preferable to set the fourth through hole eccentrically on the support ring 12, and set the first through hole eccentrically on the support plate 18, so that after the support ring 12 and the support plate 18 are installed on the inner shaft 10, their circumferential direction The width is different at different locations. Specifically, for example, the width of the support ring 12 and the support plate 18 can be made wider corresponding to the rear side of the desktop robot, while the width corresponding to the front side of the desktop robot can be narrower.

Further preferably, the widened portion on the support plate 18 is annularly disposed along the circumferential direction of the support plate 18 , and the widened portion on the support ring 12 is annularly disposed along the circumferential direction of the support ring 12 .

In this embodiment, the widened portion on the support plate 18 is annularly arranged along the circumferential direction of the support plate 18 , that is to say, in the circumferential direction of the entire connecting shaft assembly 1 , the supporting area of the connecting shaft assembly 1 is increased. In this way, the support area of the connecting shaft assembly 1 can be increased from all directions, and the stability of the desktop robot and other products after installation can be improved.

Further preferably, the inner shaft 10 , the support ring 12 , the fixing plate 14 , the outer shaft 16 and the supporting plate 18 are all circular.

As shown in FIG. 2 and FIG. 3 , a second aspect of the present invention provides a desktop robot, comprising: a body 3 , a chassis 2 and the connecting shaft assembly 1 provided by any embodiment of the first aspect; the connecting shaft assembly 1 is installed on the chassis 2, the body 3 is connected with the second shaft assembly, and can rotate around the inner shaft 10 together with the second shaft assembly.

The desktop robot provided according to the embodiment of the present invention includes a fuselage 3, a chassis 2 and the connecting shaft assembly 1 provided in any of the embodiments of the first aspect to be connected, and the fuselage 3 and the chassis 2 are connected by any one of the first aspect The connection shaft assembly 1 provided in this embodiment is connected, so that the fuselage 3 and the chassis 2 can be connected in rotation. At the same time, in view of the fact that the connecting shaft assembly 1 provided by any embodiment of the first aspect can utilize the limited space in the axial direction, while ensuring a predetermined resistance, the contact area between the connecting shaft assembly 1 and the chassis 2 is increased, so that the chassis 2 can pass through the connection The shaft assembly 1 can better form a stable support for the fuselage 3, so that when the user uses the desktop robot, even if he clicks the head screen of the desktop robot with great effort, the fuselage 3 and the chassis 2 are not easily shaken. It can ensure the stability of the desktop robot and reduce the shaking of the desktop robot during use. At the same time, in view of the fact that the desktop robot provided by the embodiment of the present invention also includes the connecting shaft assembly 1 provided by any one of the embodiments of the first aspect, the desktop robot provided by the embodiment of the present invention also includes any one of the first aspect. The beneficial effects of the connecting shaft assembly 1 provided by the embodiment will not be repeated here.

Further preferably, as shown in FIG. 3 , the fuselage 3 includes a head 32 and a torso 34 , and an operation screen is provided on the head 32 . The user can operate the desktop robot by clicking on the operation screen. However, in the present application, since the connecting shaft assembly 1 with a larger supporting surface is used to perform the rotational connection between the trunk portion 34 and the chassis 2, when the user clicks on the operation screen, it is not easy to cause the body 3 to sway back and forth, thereby improving the performance of the desktop robot. Stability during operation.

In the description of this specification, the terms "connected", "installed", "fixed", etc. should be understood in a broad sense, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; Directly connected or indirectly connected through an intermediary. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

In the description of this specification, the description of the terms "one embodiment", "some embodiments", etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or instance. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims (10)

1. A connecting shaft assembly, comprising:

the first rotating shaft assembly comprises an inner shaft, a supporting ring and a fixing plate, the supporting ring is sleeved on the outer side wall of the inner shaft, and the fixing plate is installed on the inner shaft and is arranged at intervals with the supporting ring along the axial direction of the inner shaft;

the second rotating shaft assembly comprises an outer shaft and a supporting plate, the outer shaft is rotatably sleeved on the outer side wall of the inner shaft and is positioned between the supporting ring and the fixing plate, a first through hole is formed in the supporting plate, the supporting plate is rotatably sleeved on the outer side wall of the inner shaft through the first through hole, one surface of the supporting plate is attached to the outer shaft, and the other surface of the supporting plate is attached to the supporting ring;

wherein, the backup pad with all be provided with the protrusion on the filler ring the widened part that the lateral wall of outer axle set up.

2. The connecting shaft assembly of claim 1,

the inner shaft is provided with a second through hole along the axial direction of the inner shaft, the fixed plate is installed at the end part of one end of the inner shaft, the supporting ring is installed on the outer side wall of the other end of the inner shaft, a third through hole is formed in the fixed plate along the axial direction of the inner shaft, and the second through hole and the third through hole are coaxial.

3. The connecting shaft assembly of claim 2,

the shape and size of the second through hole are consistent with those of the third through hole.

4. The connecting shaft assembly of claim 1,

the outer side wall of the outer shaft is flush with the outer side wall of the fixing plate.

5. The connecting shaft assembly according to any one of claims 1 to 4,

the fixing plate is a stainless steel plate, and the supporting plate is a stainless steel plate; and/or

The outer shaft is made of one of plastic, rubber, silica gel and resin; and/or

The ring is made of one of plastic, rubber, silica gel and resin.

6. The connecting shaft assembly according to any one of claims 1 to 4,

the outer shaft and the supporting ring are both made of polytetrafluoroethylene.

7. The connecting shaft assembly according to any one of claims 1 to 4,

the supporting ring is provided with a fourth through hole, the supporting ring is sleeved on the inner shaft through the fourth through hole, and the fourth through hole is eccentrically arranged on the supporting ring; and/or

The first through hole is eccentrically arranged on the supporting plate.

8. The connecting shaft assembly according to any one of claims 1 to 4,

the widened part on the supporting plate is annularly arranged along the circumferential direction of the supporting plate, and the widened part on the supporting ring is annularly arranged along the circumferential direction of the supporting ring.

9. The connecting shaft assembly according to any one of claims 1 to 4,

the inner shaft, the supporting ring and the fixing plate are all circular;

the outer shaft and the supporting plate are both circular.

10. A desktop robot, comprising:

a fuselage, a chassis and a connecting shaft assembly as claimed in any one of claims 1 to 9;

the connecting shaft assembly is mounted on the chassis, and the machine body is connected with the second rotating shaft assembly and can rotate around the inner shaft together with the second rotating shaft assembly.

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