Supporting walking wheel assembly and water surface cleaning robot

Abstract

The utility model provides a supporting walking wheel assembly and a water surface cleaning robot, and belongs to the technical field of mechanical design, the supporting walking wheel assembly comprises a connecting foot, a supporting rod, a supporting rod, a supporting rod, a supporting rod and a driving device, the connecting foot is provided with a containing cavity and a through hole, and the through hole is communicated with the containing cavity; the first ball is located in the containing cavity, the diameter of the first ball is larger than the depth of the containing cavity, so that a part of the first ball extends out of the through hole, the diameter of the through hole is smaller than that of the first ball, and therefore the first ball is limited in the containing cavity. The utility model has the beneficial effects that the first balls can rotate in all directions in the accommodating cavity so as to meet the movement in different directions, and the friction force between the first balls and the ground is small so as to meet the use in different complex terrains.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical design and relates to a supporting walking wheel assembly and a water surface cleaning robot. Background Art

[0002] Currently, when surface cleaning robots are operating, they get stuck or run aground when they encounter complex terrain, such as cement, tiles, or beach slopes.

[0003] In summary, some existing technical solutions still have the problem that the robot is stranded and unable to work due to large resistance in complex terrain, and there is much room for improvement. Summary of the invention

[0004] The purpose of the utility model is to address the above problems existing in the prior art and to propose a supporting walking wheel assembly and a water surface cleaning robot.

[0005] The objectives of the utility model can be achieved through the following technical solutions: a supporting walking wheel assembly, comprising: a connecting foot, which is provided with a accommodating cavity and a through hole, the through hole being connected to the accommodating cavity; a first ball, which is located in the accommodating cavity, the diameter of the first ball is greater than the depth of the accommodating cavity, so that a part of the first ball extends out of the through hole, and the diameter of the through hole is smaller than the diameter of the first ball, thereby restricting the first ball to the accommodating cavity.

[0006] In the above-mentioned supporting walking wheel assembly, the connecting foot includes a seat body and a cover body, the cover body is connected to the seat body, the accommodating cavity is formed between the cover body and the seat body, and the through hole is located in the cover body.

[0007] In the above-mentioned supporting walking wheel assembly, the seat body is provided with a clamping groove, and the cover body is provided with a clamping hook, and the clamping hook can be clamped with the clamping groove.

[0008] In the above-mentioned supporting walking wheel assembly, the seat body is further provided with a positioning protrusion, and the cover body is further provided with a positioning recess, and the positioning protrusion can be inserted into the positioning recess.

[0009] In the above-mentioned supporting walking wheel assembly, the seat body is further provided with a first contact portion, and the cover body is further provided with a second contact portion, and the second contact portion can contact with the first contact portion.

[0010] In the above-mentioned supporting walking wheel assembly, the cover body is further provided with a contact arc surface, the first ball contacts the cover body through the contact arc surface, and the through hole is located on the contact arc surface.

[0011] In the above-mentioned supporting walking wheel assembly, it also includes a second ball, the number of the second ball is multiple, the second ball is arranged in the accommodating cavity, the second ball is centrally distributed around the first ball, and the first ball is in contact with the seat body through the second ball.

[0012] In the above-mentioned supporting walking wheel assembly, the seat body is provided with a receiving arc surface, and the second ball contacts the seat body through the receiving arc surface.

[0013] A water surface cleaning robot comprises any one of the supporting walking wheel assemblies described above, and also comprises a robot body, wherein the connecting foot is connected to the robot body, and the robot body is further provided with an installation cavity, and the connecting foot can be inserted into the installation cavity.

[0014] In the above-mentioned water surface cleaning robot, the connecting foot is further provided with a connecting block, and the robot body is further provided with a connecting groove. When the connecting foot is inserted into the installation cavity, the connecting block can be engaged with the connecting groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The first ball can rotate in all directions in the accommodating cavity to meet the movement in different directions, and the friction between the first ball and the ground is small so that it can be used in different complex terrains.

[0017] 2. The positioning protrusion and the positioning depression can limit the left and right rotation when the seat body and the cover body are connected.

[0018] 3. The first contact portion and the second contact portion can limit the up and down shaking of the cover body and the base body when they are engaged, thereby preventing the cover body from falling off.

[0019] 4. The contact arc surface makes contact with the first ball so that the first ball can rotate freely in all directions to prevent it from getting stuck.

[0020] 5. The second ball contacts the first ball, thereby reducing friction and making the first ball rotate more smoothly.

[0021] 6. The second balls are in contact with the seat body through the accommodating arc surface, so that the first balls can contact with the wall surface of the seat body accommodating cavity through more second balls, thereby reducing the pressure on the first balls. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model is an exploded view of a supporting walking wheel assembly.

[0023] Figure 2 It is a side view of a supporting walking wheel assembly of the utility model.

[0024] Figure 3 Based Figure 2 Cross-sectional view from AA perspective.

[0025] Figure 4 Based Figure 2 Cross-sectional view from BB perspective.

[0026] Figure 5 This is a schematic diagram of the internal structure of another supporting walking wheel assembly of the utility model.

[0027] Figure 6 It is a schematic structural diagram of the robot body of the present utility model.

[0028] Figure 7 It is a top view of the robot body of the present utility model.

[0029] Figure 8 for Figure 7 Cross-sectional view from CC perspective.

[0030] In the figure, 100, connecting foot; 110, connecting block; 200, base; 210, accommodating cavity; 220, slot; 230, positioning protrusion; 240, first contact portion; 250, accommodating arc surface; 300, cover body; 310, through hole; 320, hook; 330, positioning recess; 340, second contact portion; 350, contact arc surface; 400, first ball; 500, second ball; 600, robot body; 610, installation cavity; 620, connecting slot. DETAILED DESCRIPTION

[0031] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0032] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, in the present invention, the descriptions of "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0036] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0037] Embodiment 1

[0038] like Figure 1-Figure 4 As shown, a supporting walking wheel assembly includes: a connecting foot 100 and a first ball 400.

[0039] The connecting pin 100 is provided with a receiving cavity 210 and a through hole 310 , and the through hole 310 is communicated with the receiving cavity 210 .

[0040] Among them, the first ball 400 is located in the accommodating cavity 210, and the diameter of the first ball 400 is greater than the depth of the accommodating cavity 210, so that a part of the first ball 400 extends out of the through hole 310, and the diameter of the through hole 310 is smaller than the diameter of the first ball 400, thereby restricting the first ball 400 in the accommodating cavity 210.

[0041] In this embodiment, the first ball 400 can rotate in various directions in the accommodating cavity 210 to meet the needs of movement in different directions, and the friction between the first ball 400 and the ground is relatively small so that it can be used in different complex terrains.

[0042] like Figure 1-Figure 4As shown, based on the above embodiment, the connecting pin 100 includes a base body 200 and a cover body 300, the cover body 300 is connected to the base body 200, the accommodating cavity 210 is formed between the cover body 300 and the base body 200, and the through hole 310 is located in the cover body 300.

[0043] In this embodiment, the cover 300 is used to confine the first rolling ball 400 in the accommodating cavity 210 .

[0044] like Figure 1-Figure 4 As shown, on the basis of the above embodiment, the base body 200 is provided with a slot 220 , and the cover body 300 is provided with a hook 320 , and the hook 320 can be engaged with the slot 220 .

[0045] In this embodiment, the cover body 300 is detachably connected to the base body 200 to facilitate replacement of the first rolling ball 400 .

[0046] like Figure 1-Figure 4 As shown, on the basis of the above embodiment, the seat body 200 is further provided with a positioning protrusion 230 , and the cover body 300 is further provided with a positioning recess 330 , and the positioning protrusion 230 can be inserted into the positioning recess 330 .

[0047] In this embodiment, the positioning protrusion 230 and the positioning recess 330 can limit the left-right rotation of the base body 200 and the cover body 300 when they are connected.

[0048] like Figure 1-Figure 4 As shown, on the basis of the above embodiment, the base body 200 is further provided with a first contact portion 240 , and the cover body 300 is further provided with a second contact portion 340 , and the second contact portion 340 can contact the first contact portion 240 .

[0049] In this embodiment, the first contact portion 240 and the second contact portion 340 can limit the cover 300 from shaking up and down when being engaged with the base 200, thereby preventing the cover 300 from falling off.

[0050] like Figure 1-Figure 4 As shown, based on the above embodiment, the cover body 300 is further provided with a contact arc surface 350 , the first ball 400 contacts the cover body 300 through the contact arc surface 350 , and the through hole 310 is located on the contact arc surface 350 .

[0051] In this embodiment, the contact arc surface 350 contacts the first ball 400 so that the first ball 400 can rotate freely in all directions to prevent it from getting stuck.

[0052] like Figure 1-Figure 4As shown, on the basis of the above embodiment, it also includes a second ball 500, the number of the second ball 500 is multiple, the second ball 500 is arranged in the accommodating cavity 210, the second ball 500 is centrally distributed around the first ball 400, and the first ball 400 is in contact with the seat body 200 through the second ball 500.

[0053] In this embodiment, the second ball 500 contacts the first ball 400 to reduce friction and make the first ball 400 rotate more smoothly.

[0054] like Figure 5 As shown, on the basis of the above embodiment, the seat body 200 is provided with a receiving arc surface 250 , and the second ball 500 contacts the seat body 200 through the receiving arc surface 250 .

[0055] In this embodiment, the second balls 500 contact the seat body 200 through the accommodating arc surface 250, so that the first balls 400 can contact the wall surface of the accommodating cavity 210 of the seat body 200 through more second balls 500, thereby reducing the pressure on the first balls 400.

[0056] like Figure 1-Figure 8 As shown, a water surface cleaning robot includes a supporting walking wheel assembly as described above, and also includes: a robot body 600.

[0057] The connecting foot 100 is connected to the robot body 600 .

[0058] In this embodiment, the robot body 600 can be moved by connecting the legs 100 .

[0059] like Figure 1-Figure 8 As shown, on the basis of the above embodiment, the robot body 600 is further provided with a mounting cavity 610 , and the connecting foot 100 can be inserted into the mounting cavity 610 .

[0060] In this embodiment, the connecting pin 100 is detachably disposed in the mounting cavity 610 to facilitate disassembly, assembly and replacement of the connecting pin 100 .

[0061] like Figure 1-Figure 8 As shown, based on the above embodiment, the connecting foot 100 is further provided with a connecting block 110, and the robot body 600 is further provided with a connecting groove 620. When the connecting foot 100 is inserted into the installation cavity 610, the connecting block 110 can be engaged with the connecting groove 620.

[0062] In this embodiment, the connecting block 110 is engaged with the connecting groove 620 to fix the connecting pin 100 in the mounting cavity 610 to prevent the connecting pin 100 from falling off.

Claims

1. A supporting walking wheel assembly, characterized in that: include: A connecting foot, which is provided with a receiving cavity and a through hole, wherein the through hole is communicated with the receiving cavity; A first ball is located in the accommodating cavity. The diameter of the first ball is greater than the depth of the accommodating cavity, so that a portion of the first ball extends out of the through hole. The diameter of the through hole is smaller than the diameter of the first ball, so that the first ball is confined in the accommodating cavity.

2. A supporting walking wheel assembly according to claim 1, characterized in that: The connecting foot comprises a base body and a cover body, the cover body is connected to the base body, the accommodating cavity is formed between the cover body and the base body, and the through hole is located in the cover body.

3. A supporting walking wheel assembly according to claim 2, characterized in that: The seat body is provided with a card slot, and the cover body is provided with a card hook, and the card hook can be engaged with the card slot.

4. A supporting walking wheel assembly as claimed in claim 3, characterized in that: The seat body is further provided with a positioning protrusion, and the cover body is further provided with a positioning recess, and the positioning protrusion can be inserted into the positioning recess.

5. A supporting walking wheel assembly as claimed in claim 4, characterized in that: The base body is further provided with a first contact portion, and the cover body is further provided with a second contact portion, and the second contact portion can contact the first contact portion.

6. A supporting walking wheel assembly as claimed in claim 2, characterized in that: The cover body is further provided with a contact arc surface, the first ball contacts the cover body through the contact arc surface, and the through hole is located on the contact arc surface.

7. A supporting walking wheel assembly as claimed in claim 2, characterized in that: It also includes a second ball, the number of the second ball is multiple, the second ball is arranged in the accommodating cavity, the second ball is centrally distributed around the first ball, and the first ball is in contact with the seat body through the second ball.

8. A supporting walking wheel assembly according to claim 7, characterized in that: The seat body is provided with a receiving arc surface, and the second ball contacts the seat body through the receiving arc surface.

9. A water surface cleaning robot, comprising a supporting walking wheel assembly according to any one of claims 1 to 8, characterized in that: It also includes a robot body, the connecting foot is connected to the robot body, and the robot body is also provided with an installation cavity, and the connecting foot can be inserted into the installation cavity.

10. A water surface cleaning robot as claimed in claim 9, characterized in that: The connecting foot is further provided with a connecting block, and the robot body is further provided with a connecting groove. When the connecting foot is inserted into the mounting cavity, the connecting block can be engaged with the connecting groove.

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