CN110712188B

CN110712188B - Robot expansion assembly, adaptor thereof and dovetail groove member

Info

Publication number: CN110712188B
Application number: CN201810768792.5A
Authority: CN
Inventors: 刘振
Original assignee: Makeblock Co Ltd
Current assignee: Makeblock Co Ltd
Priority date: 2018-07-13
Filing date: 2018-07-13
Publication date: 2022-05-13
Anticipated expiration: 2038-07-13
Also published as: CN110712188A

Abstract

The invention provides a robot expansion assembly, an adapter piece and a dovetail groove piece of the robot expansion assembly, and the robot expansion assembly comprises the adapter piece and the dovetail groove piece. The adaptor comprises a frame body, wherein a clamping groove is formed in the inner side of the frame body along the circumferential direction of the frame body, and a plurality of buckles are arranged on the clamping groove. The dovetail groove piece comprises a column body and plate bodies arranged at two ends of the column body, wherein the edge of one plate body is clamped into the clamping groove and is fixedly connected with the clamping buckle, and the other plate body is used for being clamped and connected with an external expansion piece. The robot expansion assembly can realize convenient connection of the robot and an external expansion piece through the adaptor and the dovetail groove piece, so that the function expansion of the robot is realized easily.

Description

Robot expansion assembly, adapter and dovetail groove piece thereof

Technical Field

The invention relates to an expansion piece, in particular to a robot expansion assembly, an adapter piece and a dovetail groove piece thereof.

Background

In recent years, with the development of science and technology, robots are increasingly used. In many cases, it is necessary to expand the accessories of the robot to correspondingly implement different functions.

In the past, in order to show the expansibility of a robot, firstly, a large number of bolts need to be disassembled and assembled through tool screw holes, and then new accessories are screwed together through fixing pieces, so that the whole process is complicated, and the time is long.

On this basis, in order to meet the requirements of rapid assembly molding, a solution as shown in fig. 1 is produced. The dovetail groove is utilized to form temporary assembly of the equipment, and the limiting hole is matched with the protrusion to limit the position. However, even in this case, the stopper hole and the boss member are liable to be loosened by long-term use, and the assembly strength of the temporary assembly is low for the robot, and particularly, the moving robot is liable to be loosened during the moving process to cause abnormality such as dislocation due to its high moving strength.

Disclosure of Invention

The invention aims to provide a robot expansion assembly capable of easily expanding the function of a robot, an adapter and a dovetail groove piece thereof.

A robotic expansion assembly comprising:

the adapter comprises a frame body, wherein a clamping groove is formed in the inner side of the frame body along the circumferential direction of the frame body, and a plurality of buckles are arranged on the clamping groove; and the number of the first and second groups,

dovetail groove spare, including the cylinder and locate the plate body at cylinder both ends dovetail groove spare with under the fixed condition of adaptor block, one of them the edge card of plate body is gone into in the draw-in groove, and with buckle fastening connection, another the plate body is used for being connected with outside extension block.

In one embodiment, the adaptor includes a fastening column, the frame body is provided with an opening, the fastening column is disposed at the opening of the frame body, two ends of the fastening column are respectively fixed in the clamping groove, and the fastener is formed between an outer side wall of the fastening column and an inner side wall of the clamping groove.

In one embodiment, the fastening columns comprise a first fastening column and a second fastening column, a gap exists between the first fastening column and the second fastening column, and the first fastening column and the second fastening column are connected through bolts and threads.

In one embodiment, the opening is provided with a leading-in angle towards the outer side of the frame body.

In one embodiment, a side wall of the buckle facing the inner side of the opening is provided with a guide-in surface facing the outer side of the opening.

In one embodiment, the inner side wall of the frame body is provided with a buffer slot, and the buffer slot is formed along the axial direction of the frame body.

In one embodiment, grooves are formed in the upper and lower surfaces of the frame body along the circumferential direction of the frame body.

In one embodiment, the frame body is provided with a shell at the groove, and the shell covers the groove.

In one embodiment, an inclined surface is provided on one side of the dovetail groove toward the post, and the outer side surface of the post is gradually enlarged to the periphery of the plate via the inclined surface.

In one embodiment, the outer side surface of the column body is provided with an absorption hole.

The utility model provides a robot extension subassembly's adaptor, includes the framework, the inboard edge of framework the circumference of framework is equipped with the draw-in groove, the draw-in groove is equipped with a plurality of buckles.

The utility model provides a dovetail groove spare of extension subassembly of robot, includes the cylinder and locates the plate body at cylinder both ends, one of them in the draw-in groove of adapter is gone into to the edge card of plate body, and with the buckle fastening connection of adapter, another the plate body is used for being connected with outside extension piece block.

In the robot expansion assembly, one side of the adapter is used for being fixedly connected with the robot through the adapter and the dovetail groove piece, and the other side of the adapter is used for being connected with the external expansion piece. The adaptor is fixed at the position where the robot needs to be connected with the external extension piece. One end and the adaptor of dovetail groove spare are connected, and the other end conveniently is connected with outside extension piece, need not a large amount of spiro union works to can realize being connected of robot and outside extension piece, thereby realize the function extension of robot. Alternatively, a plurality of robot extension modules may be interconnected.

Drawings

Fig. 1 is a perspective view of an adaptor of the robot expansion assembly of the present embodiment;

FIG. 2 is a perspective view of a dovetail of the robotic expansion assembly of the present embodiment;

FIG. 3 is an exploded view of the adapter shown in FIG. 1;

FIG. 4 is a side view of the adapter shown in FIG. 1;

FIG. 5 is an exploded view of another embodiment adaptor;

FIG. 6 is a side view of the adapter shown in FIG. 5;

FIG. 7 is a side view of the dovetail according to FIG. 2;

FIG. 8 is a perspective view of another embodiment dovetail member;

FIG. 9 is a side view of the dovetail according to FIG. 8.

The reference numerals are explained below: 10. 50, an adapter; 11. 51, a frame body; 111. an opening; 112. a lead-in angle; 12. a connecting arm; 13. 53, convex edge, 132, inclined plane; 14. a card slot; 15. fastening the column; 151. a first fastening post; 152. a second fastening post; 153. a bolt; 154. a gap; 155. a nut; 156. a decorative cover; 16. buckling; 161. a lead-in surface; 163. a locking part; 164. sliding into the surface; 17. a buffer tank; 171. a rebound buffer slot; 172. an arm buffer groove; 18. a groove; 19. a housing; 191. an upper shell; 192. a lower case; 20. 60, dovetail groove pieces; 21. 61, a column; 22. 62, a plate body; 23. an inclined surface; 211. an absorption hole; 63. a connecting portion; 64. and a screw hole.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

Referring to fig. 1 and 2, the present invention provides a robot expansion assembly. A robot expansion assembly includes an adaptor 10 and a dovetail 20. One side of the adaptor 10 is used for being fixedly connected with the robot, and the other side is used for being connected with the external expansion piece. The adaptor 10 is fixed in the position where the robot needs to connect to an external extension. The dovetail member 20 is connected at one end to the adaptor member 10 and at the other end to the outer extension member. The external extension is a device or apparatus with extended functionality. The external extension may be a number of different functions, such as a light, a loudspeaker, a small fan, etc. The robot expansion component can connect the external expansion piece with the robot, so that the function expansion of the robot is realized. Alternatively, a plurality of robot extension modules may be interconnected.

Referring to fig. 1 and 3, the adaptor 10 includes a frame 11. The dovetail groove 20 is accommodated in an inner space defined by the frame 11. Specifically, in the present embodiment, the frame 11 is a rectangular frame. One end of the frame 11 is a closed end and the other end is an open end. The frame 11 includes two opposing connecting arms 12. It is understood that the frame 11 may have other shapes, such as pentagonal, hexagonal, etc. Accordingly, the dovetail groove member 20 may be adapted to the shape of the frame 11.

The inner side of the frame body 11 is provided with a clamping groove along the circumferential direction of the frame body 11. The clamping groove is provided with a plurality of buckles. The slot may be provided along the circumference of the frame 11, or may be provided at a partial position of the frame, as long as the dovetail groove member 20 can be fixed in the slot.

Specifically, in the present embodiment, the engaging grooves are formed on the opposite inner side surfaces of the two connecting arms 12. Specifically, the inner side surfaces of the two connecting arms 12 are provided with convex edges 13, and the convex edges 13 protrude toward the inner space of the frame body 11. The convex edges 13 of the upper and lower surfaces of the connecting arm 12 and the inner side surface of the connecting arm 12 form a clamping groove 14.

The frame 11 has an opening 111. The dovetail groove 20 is introduced into the internal space of the frame 11 from the opening 111 and fixed to the frame 11. The opening 111 is provided with a lead-in angle 112 at an outer side toward the frame 11. The lead-in angle 112 makes the caliber at the outside of the opening 111 large and the side wall at the opening 111 smooth and easily guides the user to insert the dovetail member 20. Thus, the force for inserting the dovetail groove member 20 can be saved, and the scratch caused by the erroneous operation or the like at the time of insertion can be avoided.

The adaptor 10 includes a fastening post 15. The fastening post 15 is provided at the opening of the frame 11. The fastening post 15 closes the opening 111. Referring to fig. 4, two ends of the fastening column 15 are respectively and fixedly connected to the two connecting arms 12, and two ends of the fastening column 15 are both fixedly disposed in the slot 14, so that a buckle 16 is formed between an outer side wall of the fastening column 15 and an inner side wall of the slot 14. The dovetail groove member 20 can be engaged with the engaging portion 16. The two connecting arms 12 form four catches 16 with the upper and lower surfaces of the fastening post 15. The upper and lower surfaces of the fastening post 15 are matched with the inner side surface of the slot 14, so that the dovetail slot member 20 can be supported and clamped in a matching manner.

Specifically, referring to fig. 3, the fastening post 15 includes a first fastening post 151 and a second fastening post 152. A gap 154 exists between the first fastening post 151 and the second fastening post 152. The first fastening post 151 and the second fastening post 152 are screwed by a bolt 153. By turning the bolt 153, the size of the gap 154 between the first fastening post 151 and the second fastening post 152 can be adjusted. When the dovetail groove member 20 is snapped into the slot 14, the size of the gap 154 can be reduced by adjusting the bolt 153 between the first fastening post 151 and the second fastening post 152, so as to further reinforce and further attach the two.

As shown in fig. 3, in the present embodiment, the bolt 153 is a machine-tooth bolt 153, and the strength of the bolt 153 is increased to provide a protective effect. Both connecting arms 12 are provided with through holes for bolts 153 to pass through. The bolt 153 penetrates into the first fastening column 151 from the outside of the connecting arm 12, penetrates out of the free end of the first fastening column 151, and enters from the free end of the second fastening column 152. Correspondingly, the other connecting arm 12 is provided with a through hole, a nut 155 is arranged in the through hole, and then the bolt 153 passes through the second fastening column 152 to be tightly connected with the nut 155. A gap 154 is left between the first fastening post 151 and the second fastening post 152 to buffer an allowance when the bolt 153 is fastened.

To ensure the integrity of the appearance of the entire robotic expansion assembly, the robotic expansion assembly also includes a cosmetic cover 156. The decorative cover closes the through hole from the outside of the through hole to enhance the beauty of the appearance.

The side wall of each catch 16 facing the inside at the opening 111 is provided with a lead-in surface 161. The introduction surface 161 faces the outside of the opening 111. That is, the introduction surface 161 is an inner side wall of the rim 13 at the opening 111. Lead-in surface 161 is provided to facilitate the introduction of dovetail member 20. Specifically, the introduction surface 161 is a circular arc surface. It will be appreciated that the insertion surface 161 may be other rounded surfaces, and the shape of the insertion surface 161 is not limited herein, so long as the arcuate surface 131 is shaped to facilitate insertion of the dovetail member 20.

In contrast, the inner side wall of the flange 13 located inside the opening 111 is a slope 132. The angle between the ramp 132 and the inner side of the connecting arm 12 is acute. The inclined surface 132 is formed in an acute angle shape so as to prevent the dovetail member 20 from coming off and being locked after the dovetail member 20 is sufficiently engaged with the slot 14.

Referring to fig. 1 and 3, the latch 16 has a locking portion 163 at the bottom of the slot 14. The locking portion 163 protrudes from the bottom of the card slot 14. When the dovetail member 20 is snapped into the clip 16, the raised locking portion 163 limits the dovetail member 20 from sliding out, ensuring that the dovetail member 20 is securely fastened to the adaptor 10. In addition, in order to facilitate the engagement of the dovetail groove 20 into the buckle 16, both side surfaces of the locking portion 163 are provided with slide-in surfaces 164. The slide-in surface 164 transitions smoothly from the bottom of the pocket 14 to the stop 163 to facilitate the introduction of the dovetail 20.

Referring to fig. 4, a buffer slot 17 is disposed on the inner sidewall of the frame 11. The buffer groove 17 is opened in the axial direction of the frame 11. When the frame 11 is pressed and deformed, the buffer grooves 17 can play a role of buffering deformation, and the elasticity and plasticity of the frame 11 are improved.

Referring to fig. 3, in the present embodiment, a rebound buffering slot 171 is disposed on an inner side wall of an end of the frame 11 away from the opening 111. In order to avoid the strength of the inner wall of the housing from being affected by the opening of the rebound cushion 171, the thickness of the rebound cushion 171 is kept uniform.

The springback buffer groove 171 is for reducing the springback force of the component frame 11 itself and for fixing the dovetail groove 20 more firmly. At the same time, the elasticity of the frame body 11 is increased, and the force for fixing the dovetail groove member 20 is further saved. More importantly, the fit tightness between the frame body 11 of the adapter 10 and the dovetail groove piece 20 can be improved, namely, the two can be better attached. Preferably, it is provided at a middle position of the inner side wall of the frame body 11.

Arm buffer grooves 172 are provided at both connecting arms 12 of the adaptor 10. Similarly, the arm relief groove 172 serves to reduce the spring back of the connecting arm 12 itself, making the dovetail member 20 more securely fixed. At the same time, the force during fixing is further saved. More importantly, the fit tightness can be improved, namely, the two can be better attached. Preferably at a position where the connecting arm 12 is close to the opening 111.

Grooves 18 are formed in the upper and lower surfaces of the frame 11 along the circumferential direction of the frame 11. The groove 18 can increase the elasticity of the frame 11, and the frame 11 has a deformation space, so that the frame 11 can be well matched and connected with the dovetail groove 20. In the present embodiment, the groove 18 is a through groove to enhance the elasticity of the frame 11.

The frame 11 is provided with a housing 19 at the opening of the groove 18. The housing 19 covers the opening of the recess 18. The housing 19 includes an upper shell 191 and a lower shell 192. The housing 19 can make the entire surface of the frame 11 smooth and keep the appearance intact.

Referring to fig. 5 and 6, in other embodiments, the adaptor 50 may include a plurality of frames 51. The plurality of frames 51 are arranged in parallel. Each frame 51 may be adapted to be coupled to the dovetail member 20. It will be appreciated that the adaptor is provided with only one frame 53 on the side facing the robot, provided that it is secured that it can be connected to the robot. The other side surface of the adaptor 50 is provided with a plurality of frames 51, and the plurality of frames 51 can be used for connecting a plurality of dovetail groove members, so that a plurality of external expansion members can be connected. Accordingly, the recess 58 and the housing 59 are suitably shaped.

Referring to fig. 2 and 7, the dovetail groove 20 includes a post 21 and plates 22 disposed at two ends of the post. The frame body 11 is a square frame shape, and correspondingly, the column body 21 is a square column shape. The plate body 22 is a square plate. It will be appreciated that the column 21 and the plate 22 may be of unitary construction.

The plate body 22 has an area larger than the cross-sectional area of the cylinder 21. The edge of the plate body 22 protrudes from the outer side wall of the cylinder 21. The edge of one plate 22 is snapped into the slot 14 and is fastened to the snap 16, and the other plate 22 is used to snap-fit to an external extension.

Specifically, in the present embodiment, the two plate bodies 22 are identical in size. The side of the plate body 22 of the dovetail groove member 20 facing the column 21 is provided with an inclined surface 23, and the outer side surface of the column 21 is gradually enlarged to the periphery of the plate body 22 through the inclined surface 23. The inclined surface 23 can increase the interference surface between the plate body 22 of the dovetail groove member 20 and the inner side wall of the slot 14, and can increase the friction force between the two, so that the two are more smoothly matched. Meanwhile, the stability of the matching of the dovetail groove piece and the adapter piece is improved, and the dovetail groove piece 20 and the adapter piece 10 are prevented from shaking.

Specifically, in the present embodiment, the included angle between the inclined surface 23 and the plate body 22 is an acute angle. The range of acute angles is: greater than 5 ° and less than 90 °. Preferably, the acute angle is 27 °. Accordingly, the angle between the inclined surface 132 of the plate body 22 and the inner side surface of the connecting arm 12 ranges from: greater than 5 ° and less than 90 °. Preferably, the acute angle is 27 °. Therefore, the inclined surface 23 of the dovetail groove part 20 and the inclined surface 132 of the convex edge 13 can be ensured to be in perfect contact with each other, and the interference area is ensured to be larger.

The outer side surface of the column 21 is provided with absorption holes 211. Specifically, the column 21 is opened with absorption holes 211 on the side thereof. Wherein, two absorption holes 211 are opened on two opposite sides. The absorption holes 211 have an elliptical shape. It is understood that the number, shape and size of the absorption holes 211 may be other embodiments, and are not limited herein.

When the dovetail member 20 and the adaptor 10 are coupled to each other, the margin of the coupling can be absorbed through the absorption holes 211. Utilize the elastic deformation of material itself, the adjustment is absorbed to the complex surplus to virtual position size when reducing the cooperation avoids dovetail groove spare 20 to take place to rock for adaptor 10.

Through above-mentioned robot extension subassembly, can increase the interference face between adaptor 10 and the dovetail groove spare 20, increase the cooperation and the frictional resistance of the two, improved the stability and the intensity that adaptor 10 and dovetail groove spare 20 are connected greatly.

Referring to fig. 8 and 9, it is understood that in other embodiments, dovetail slot 60 includes a post 61, a plate 62 disposed at one end of post 61, and a connecting portion 63 disposed at the other end of post 61. The connecting portion 63 is provided with a screw hole 64. The dovetail 60 may be removably attached to the robot by directly bolting through the threaded holes 64.

Alternatively, the dovetail 60 may be removably connected to the robot via the adaptor 10. Correspondingly, the adaptor 10 is provided with a screw hole which is matched and connected with the dovetail groove piece 60, so that the dovetail groove piece 60 is fixed on the robot through the bolt.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A robotic expansion assembly, comprising:

the adapter comprises a frame body, wherein a clamping groove is formed in the inner side of the frame body along the circumferential direction of the frame body, and a plurality of buckles are arranged on the clamping groove; and (c) a second step of,

the dovetail groove piece comprises a cylinder body and plate bodies arranged at two ends of the cylinder body, under the condition that the dovetail groove piece is fixedly clamped with the adapter piece, the edge of one plate body is clamped into the clamping groove and is fixedly connected with the buckle, and the other plate body is used for being clamped with an external expansion piece; the adapter comprises a fastening column, the frame body is provided with an opening, the fastening column is arranged at the opening of the frame body, two ends of the fastening column are respectively and fixedly arranged in the clamping grooves, and the buckles are formed between the outer side walls of the fastening column and the inner side walls of the clamping grooves; the fastening columns comprise a first fastening column and a second fastening column, a gap exists between the first fastening column and the second fastening column, and the first fastening column is connected with the second fastening column through bolts and threads.

2. The robot expansion assembly of claim 1, wherein the opening is provided with a lead-in angle toward an outside of the frame.

3. The robotic expansion assembly of claim 1, wherein a side wall of the clasp facing an inner side of the opening is provided with a lead-in surface facing an outer side of the opening.

4. The robot expansion assembly of claim 1, wherein the inner sidewall of the frame has a buffer slot formed therein, the buffer slot being formed along an axial direction of the frame.

5. The robot expansion assembly of claim 1, wherein grooves are formed in the upper and lower surfaces of the frame along the circumferential direction of the frame.

6. The robot expansion assembly of claim 5, wherein the frame has a housing at the groove, the housing covering the groove.

7. The robot expansion assembly of claim 1, wherein a side of the dovetail plate facing the post is provided with an inclined surface, and an outer side surface of the post is gradually enlarged to an outer periphery of the plate via the inclined surface.

8. The robot expansion assembly of claim 1, wherein the outer side of the post has an absorption hole.

9. The adaptor of the robot expansion assembly is characterized by comprising a frame body, wherein a clamping groove is formed in the inner side of the frame body along the circumferential direction of the frame body, and a plurality of buckles are arranged on the clamping groove; the adapter comprises a fastening column, the frame body is provided with an opening, the fastening column is arranged at the opening of the frame body, two ends of the fastening column are respectively and fixedly arranged in the clamping grooves, and the buckles are formed between the outer side walls of the fastening column and the inner side walls of the clamping grooves; the fastening columns comprise a first fastening column and a second fastening column, a gap exists between the first fastening column and the second fastening column, and the first fastening column is connected with the second fastening column through bolts and threads.