CN218317009U - Quick-dismantling leg structure - Google Patents

Abstract

The utility model relates to the technical field of robots, in particular to a quick-dismantling type leg structure, which comprises a leg component, a foot end component and a locking component, wherein one of the leg component and the foot end component is provided with a mounting groove, and the other one is provided with an inserting part which can be inserted into the mounting groove; the locking assembly is movably arranged on the leg assembly and provided with a locking position and an unlocking position, the locking assembly can prevent the foot end assembly in the plugging state from being separated from the leg assembly in the state of the unlocking position, and the plugging part can be inserted into the mounting groove or drawn out of the movable mounting groove in the state of the unlocking position. According to the arrangement, due to the fact that the locking assembly moves between the two positions, the state of the locking assembly is convenient to adjust, locking and unlocking of the leg assembly and the foot end assembly can be achieved only by adjusting the position of the locking assembly, and the dismounting efficiency between the leg assembly and the foot end assembly is greatly improved.

Description

Quick-detachable leg structure

Technical Field

The utility model relates to the technical field of robot, especially, relate to a but quick detach formula shank structure.

Background

In order to realize shock absorption on the machine body and reduce action noise, the part of the foot end of the robot, which is contacted with the ground, is usually made of rubber, silica gel or other soft rubber materials; the part of the robot, which is connected with the foot end and the leg part, is usually made of engineering plastics or metal. In order to achieve a simple and reliable connection of the foot end and the leg portion, most solutions fasten the foot end to the leg portion by means of screws. The service life of the soft rubber materials is short, and the soft rubber materials need to be replaced after being used for a period of time. The number of the foot ends of one robot is usually 2-4, the connection mode enables the screw to be unscrewed and locked after the foot end is replaced in the later stage, other tools are needed in the whole process, and the screw screwing process causes low disassembling and assembling efficiency of the foot ends.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but quick detach formula shank structure to the problem of sufficient end dismouting inefficiency among the solution prior art.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a quick-detachable leg structure, which comprises a leg component, a foot end component and a locking component, wherein one of the leg component and the foot end component is provided with a mounting groove, the other is provided with an inserting part, and the inserting part can be inserted into the mounting groove; the locking assembly is movably arranged on the leg assembly and provided with a locking position and an unlocking position, the foot end assembly in a plugging state can be prevented from being separated from the leg assembly when the locking assembly is located at the unlocking position, and the plugging part and the mounting groove can be disassembled and assembled when the locking assembly is located at the unlocking position.

Preferably, the mounting groove is arranged on the leg component, the inserting part is arranged on the foot end component, the leg component is provided with a strain groove, and the strain groove is consistent with the mounting groove in extension direction and is communicated with the mounting groove; the locking assembly can adjust the inner diameter size of the mounting groove during the movement process of the locking assembly at the locking position and the unlocking position.

Preferably, the locking assembly comprises a locking piece and a wrench, the locking piece is arranged on the leg assembly, the wrench is rotatably arranged on the leg assembly, one of the wrench and the locking piece is provided with a concave part, the other is provided with a convex part, and the inner diameter of the mounting groove is larger than the outer diameter of the insertion part under the state that the concave part is matched with the convex part; and when the convex part moves out of the concave part, the inner diameter of the mounting groove is reduced and the inserting part is tightly wrapped.

Preferably, the locking assembly comprises a connecting hole and a rotating shaft, the connecting hole penetrates through the mounting groove, and two ends of the wrench are respectively abutted to two ends of the rotating shaft.

Preferably, the locking piece is cylindrical and is arranged on the leg assembly and located at the periphery of the connecting hole, the rotating shaft penetrates through the locking piece, the concave part is arranged on the locking piece, and the convex part is arranged on the wrench.

Preferably, the cross section of the mounting groove is circular, and the insertion part is provided with a fool-proof groove or a fool-proof lug; the rotating shaft can be inserted into the fool-proof groove, and the fool-proof lug can be inserted into the strain groove or the guide groove in the installation groove.

Preferably, the mounting groove is formed in the foot end assembly, the insertion part is formed in the leg assembly, the locking assembly comprises a key, an elastic member and a pin hole formed in the foot end assembly, the pin hole penetrates through the mounting groove, the key is slidably formed in the leg assembly in a direction perpendicular to the extending direction of the mounting groove, the key can slide between a locking position where the key partially penetrates through the pin hole and an unlocking position where the key is pulled out of the pin hole, and the elastic member is used for enabling the key to be locked at the locking position.

Preferably, the number of the keys is two, the keys are symmetrical with respect to the center of the leg assembly, the pin holes are two and are opposite to the two keys respectively, the elastic part comprises a spring, and the spring is arranged between the two keys.

Preferably, the outer diameter of the key is gradually reduced along the direction far away from the leg component, and the inner diameter of the pin hole is gradually reduced along the direction far away from the axis of the mounting groove.

Preferably, the leg assembly is provided with a buffer element at one end connected with the foot end assembly, and the buffer element is abutted against the bottom of the mounting groove.

The utility model has the advantages that:

the utility model provides a quick-detachable leg structure, which comprises a leg component, a foot end component and a locking component, wherein one of the leg component and the foot end component is provided with a mounting groove, the other one is provided with an inserting part, and the inserting part can be inserted into the mounting groove; under the state of grafting portion in the mounting groove, can prescribe a limit to the two in the direction of perpendicular to shank subassembly central line, through with the mobilizable setting of locking Assembly on shank subassembly to can remove between locking position and unblock position, because the removal of locking Assembly between two positions, be convenient for adjust locking Assembly's state, only need adjust locking Assembly's position, just can realize the locking and the unblock of shank subassembly and foot end subassembly, improved the dismouting efficiency between the two greatly.

Drawings

Fig. 1 is a schematic structural view of a quick-release leg structure according to an embodiment of the present invention, wherein a locking assembly includes a wrench;

FIG. 2 is an exploded view of a quick release leg structure according to an embodiment of the present invention, wherein the locking assembly includes a wrench;

fig. 3 is a schematic cross-sectional view of a quick-release leg structure according to an embodiment of the present invention, wherein the locking assembly includes a wrench;

fig. 4 is a schematic structural view of a quick detachable leg structure according to an embodiment of the present invention, in which the locking assembly includes a key;

FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a partially exploded view of a quick release leg structure according to an embodiment of the present invention, wherein the locking assembly includes a button;

fig. 7 is an exploded view of the quick release leg structure according to the embodiment of the present invention, wherein the locking assembly includes a button.

In the figure:

1. a leg assembly; 11. A strain tank;

2. a foot end assembly; 21. A pin hole;

3. a locking assembly; 31. a locking member; 311. a recessed portion; 312. a lock section; 32. a wrench; 321. a rotating part; 3211. a boss portion; 322. a connecting rod; 33. a rotating shaft; 34. pressing a key; 35. an elastic member;

4. mounting grooves;

5. a plug-in part; 51. a fool-proof groove;

6. a buffer member.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1-7, the present embodiment provides a quick-release leg structure, which includes a leg assembly 1, a foot end assembly 2 and a locking assembly 3, wherein one of the leg assembly 1 and the foot end assembly 2 is provided with a mounting groove 4, and the other is provided with an insertion portion 5, and the insertion portion 5 can be inserted into the mounting groove 4; the locking component 3 is movably arranged on the leg component 1 and is provided with a locking position and an unlocking position, the locking component 3 can prevent the foot end component 2 in the plugging state from being separated from the leg component 1 in the state of the unlocking position, and the plugging part 5 can be plugged in the mounting groove 4 or drawn out of the movable mounting groove 4 in the state of the unlocking position of the locking component 3.

In the arrangement, the insertion part 5 can be limited in the direction perpendicular to the central line of the leg component 1 in the state of being inserted into the mounting groove 4, the locking component 3 can be movably arranged on the leg component 1 and can move between the locking position and the unlocking position, the state of the locking component 3 can be conveniently adjusted due to the movement of the locking component 3 between the two positions, the leg component 1 and the foot end component 2 can be locked and unlocked only by adjusting the position of the locking component 3, and the assembly and disassembly efficiency between the leg component 1 and the foot end component 2 is greatly improved.

In this embodiment, the mounting groove 4 is disposed on the leg component 1, the insertion part 5 is disposed on the foot end component 2, the leg component 1 is provided with a strain groove 11, and the strain groove 11 is consistent with the extending direction of the mounting groove 4 and is communicated with the mounting groove 4; the locking assembly 3 can adjust the inner diameter dimension of the mounting groove 4, namely, adjust the width of the strain groove 11 during the movement of the locking position and the unlocking position. Wrap up tightly or release to grafting portion 5 through the internal diameter size of adjustment mounting groove 4, wherein, wrap up under the state of grafting portion 5 tightly, take place the friction between the inner wall of mounting groove 4 and grafting portion 5, and then avoid grafting portion 5 to take out from mounting groove 4 inside. Wherein, strain tank 11 is equipped with two, and relative mounting groove 4 central symmetry sets up. The arrangement of the two strain grooves 11 facilitates the adjustment of the inner diameter of the mounting groove 4, and the materials and the cost are reduced.

In this embodiment, the locking assembly 3 includes a locking member 31 and a wrench 32, the locking member 31 is disposed on the leg assembly 1, the wrench 32 is rotatably disposed on the leg assembly 1, one of the wrench 32 and the locking member 31 is provided with a concave portion 311, and the other is provided with a convex portion 3211, taking as an example that the convex portion 3211 is disposed on the wrench 32 and the concave portion 311 is disposed on the locking member 31, when the concave portion 311 and the convex portion 3211 are engaged, the inner diameter of the mounting groove 4 is greater than the outer diameter of the insertion portion 5; when the protrusion 3211 moves out of the recess 311 and abuts against the end surface of the locking member 31, the inner diameter of the mounting groove 4 is reduced and the plug 5 is tightly wrapped. Through the spanner 32 of rotating the connection and the bellying 3211 of setting on spanner 32, can rotate the in-process at spanner 32 and realize the cooperation with depressed part 311, and then realized the quick adjustment of mounting groove 4 internal diameter size.

Wherein, locking Assembly 3 includes connecting hole and the axis of rotation 33 that link up mounting groove 4, and axis of rotation 33 passes through the connecting hole, and the both ends of spanner 32 respectively with the both ends butt of axis of rotation 33. The rotational connection of the wrench 32 can be achieved by the provision of the rotational shaft 33, in which the axial direction of the rotational shaft 33 is perpendicular to the axial direction of the mounting groove 4. The wrench 32 includes a connecting rod 322 and a rotating portion 321 disposed at two ends of the connecting rod 322, the rotating portion 321 has a groove, two ends of the rotating shaft 33 are respectively inserted into the two grooves, and preferably, the rotating shaft 33 is fixedly connected to the wrench 32.

In order to facilitate processing of the concave portion 311, in this embodiment, the locking member 31 is formed in a cylindrical shape and is disposed on the leg assembly 1 and located at the periphery of the connecting hole, the rotating shaft 33 passes through the locking member 31, the concave portion 311 is disposed on the locking member 31, and the convex portion 3211 is disposed on the wrench 32. Wherein the locking member 31 can be integrally formed with the leg assembly 1 or the locking member 31 can be detachably connected to the leg assembly 1. In another embodiment, the rotation shaft 33 and the rotation hole may not be provided, and the locking member 31 may be directly inserted into the groove.

The wrench 32 can rotate around the axis of the rotating shaft 33, and has a locking position where the convex portion 3211 is matched with the locking portion 312 and an unlocking position where the convex portion 3211 is matched with the concave portion 311. The inner diameter of the mounting groove 4 is a when the wrench 32 is located at the locking position, and the inner diameter of the mounting groove 4 is b when the wrench 32 is located at the unlocking position, wherein a is smaller than b. In this embodiment, optionally, the wrench 32 is U-shaped. Preferably, the portion of the connecting rod 322 can be bent out of the avoiding groove, that is, one side close to the leg assembly 1 has a radian, and when the wrench 32 is in the locking position, the leg assembly 1 is located in the avoiding groove.

For convenience of processing, the cross section of the mounting groove 4 is circular, and the insertion part 5 is provided with a fool-proof groove 51 or a fool-proof lug; the rotating shaft 33 can be inserted into the fool-proof groove 51, and the fool-proof projection can be inserted into the strain groove 11 or the guide groove inside the mounting groove 4. Prevent slow-witted lug or prevent that the setting in slow-witted groove 51 from preventing that positional deviation from appearing in the staff installation, in addition, under the cooperation of preventing slow-witted groove 51 and axis of rotation 33, realized the multi-functional of axis of rotation 33, reduce cost, under the cooperation of preventing slow-witted lug and strain tank 11, realized the multi-functional of strain tank 11, reduce cost.

In another embodiment, the mounting groove 4 is disposed on the foot end assembly 2, the plug-in part 5 is disposed on the leg assembly 1, the locking assembly 3 comprises a key 34, an elastic member 35 and a pin hole 21 disposed on the foot end assembly 2, the pin hole 21 penetrates through the mounting groove 4, the key 34 is slidably disposed on the leg assembly 1 along a direction perpendicular to the extending direction of the mounting groove 4, the key 34 can slide between a locking position partially penetrating into the pin hole 21 and an unlocking position withdrawn from the pin hole 21, and the elastic member 35 is used for stopping the key 34 at the locking position. The button 34 can slide between a locking position and an unlocking position quickly by virtue of sliding arrangement of the button 34, when the button 34 is positioned at the locking position, the button can partially penetrate into the pin hole 21, so as to stop the foot end assembly 2 from being far away from the leg assembly 1, and the button 34 is pressed, so that the button 34 can be pulled out of the pin hole 21 when positioned at the unlocking position, at the moment, the foot end assembly 2 can be separated from the leg assembly 1, and the rapid disassembly and assembly of the foot end assembly 2 and the leg assembly 1 are realized.

In order to improve the fastening stability, in this embodiment, the number of the keys 34 is two, and the keys are symmetrical about the center of the leg assembly 1, the pin holes 21 are two and are respectively opposite to the two keys 34, and the elastic member 35 includes a spring, and the spring is disposed between the two keys 34. The arrangement of the two buttons 34 can improve the connection firmness of the leg assembly 1 and the foot end assembly 2, and can also share one spring, thereby providing a convenient position for the installation of the spring. The opposite surfaces of the two keys 34 are provided with fixing grooves, and the two ends of the spring are respectively arranged in the two fixing grooves. In this embodiment, the leg assembly 1 is provided with two sliding grooves, the extending direction of the sliding grooves is parallel to the axial direction of the pin hole 21, the keys 34 are slidably disposed in the sliding grooves, the leg assembly 1 is of a cylindrical structure, the two sliding grooves are oppositely disposed, the two keys 34 are slidably disposed in the two sliding grooves respectively, the portion of the key 34 located in the mounting groove 4 is provided with a stopping portion, and the outer diameter of the stopping portion is larger than the outer diameter of the sliding groove.

In this embodiment, in order to avoid a gap between the key 34 and the pin hole 21, the structure of the key 34 and the pin hole 21 is limited, the outer diameter of the key 34 is gradually reduced along the direction away from the leg assembly 1, and the inner diameter of the pin hole 21 is gradually reduced along the direction away from the axis of the mounting groove 4. Wherein, the maximum outer diameter of the key 34 is larger than the maximum outer diameter of the pin hole 21.

In order to avoid the insertion process, a gap is formed between the insertion part 5 and the bottom of the mounting groove 4, in this embodiment, the end of the leg component 1 connected with the foot end component 2 is provided with a buffer component 6, and the buffer component 6 is abutted against the bottom of the mounting groove 4. The material of the buffer 6 is rubber. The buffer 6 comprises a buffer part and an inserting part arranged at one end of the buffer part, the outer diameter of the inserting part is smaller than that of the buffer part, and the inserting part can be inserted into the leg component 1 with a tubular structure.

In this embodiment, the foot end assembly 2 is made of soft rubber. Preferably, the foot end assembly 2 is made of rubber or silicone. The end of the foot end assembly 3 that contacts the bottom surface is textured to increase friction with the bottom surface.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The quick-release type leg structure is characterized by comprising a leg component (1), a foot end component (2) and a locking component (3), wherein one of the leg component (1) and the foot end component (2) is provided with a mounting groove (4), the other one is provided with an inserting part (5), and the inserting part (5) can be inserted into the mounting groove (4); the leg component (1) is movably arranged on the locking component (3), the locking component is provided with a locking position and an unlocking position, the foot end component (2) in a plugging state can be prevented from being separated from the leg component (1) when the locking component (3) is located in the unlocking position, and the plugging portion (5) and the mounting groove (4) can be disassembled and assembled.

2. The quick-release leg structure according to claim 1, wherein the mounting groove (4) is provided in the leg assembly (1), the insertion part (5) is provided in the foot end assembly (2), the leg assembly (1) is provided with a strain groove (11), and the strain groove (11) is in the same extension direction as the mounting groove (4) and is communicated with the mounting groove (4); the locking component (3) can adjust the inner diameter size of the mounting groove (4) in the process of moving at the locking position and the unlocking position.

3. The quick-release leg structure according to claim 2, wherein the locking assembly (3) comprises a locking member (31) and a wrench (32), the locking member (31) is disposed on the leg assembly (1), the wrench (32) is rotatably disposed on the leg assembly (1), one of the wrench (32) and the locking member (31) is provided with a recess (311), the other is provided with a protrusion (3211), and when the recess (311) is engaged with the protrusion (3211), the inner diameter of the mounting groove (4) is greater than the outer diameter of the insertion part (5); when the protruding part (3211) moves out of the recessed part (311), the inner diameter of the mounting groove (4) is reduced and the insertion part (5) is tightly wrapped.

4. A quick release leg structure according to claim 3, wherein the locking assembly (3) comprises a connection hole penetrating the mounting groove (4) and a rotation shaft (33), the rotation shaft (33) passes through the connection hole, and both ends of the wrench (32) abut against both ends of the rotation shaft (33), respectively.

5. The quick-release leg structure according to claim 4, wherein the locking member (31) is formed in a cylindrical shape and disposed on the leg assembly (1) at the periphery of the connecting hole, the rotation shaft (33) penetrates through the locking member (31), the recess (311) is disposed on the locking member (31), and the protrusion (3211) is disposed on the wrench (32).

6. The quick-release leg structure according to claim 4, wherein the cross-section of the mounting groove (4) is circular, and the insertion portion (5) is provided with a fool-proof groove (51) or a fool-proof projection; the rotating shaft (33) can be inserted into the fool-proof groove (51), and the fool-proof convex block can be inserted into the strain groove (11) or the guide groove in the installation groove (4).

7. A quick release leg structure according to claim 1, wherein the mounting groove (4) is provided in the foot end assembly (2), the insertion part (5) is provided in the leg assembly (1), the locking assembly (3) comprises a key (34), an elastic member (35) and a pin hole (21) provided in the foot end assembly (2), the pin hole (21) penetrates through the mounting groove (4), the key (34) is slidably provided in the leg assembly (1) along a direction perpendicular to the extension direction of the mounting groove (4), the key (34) is slidable between a locking position partially penetrating into the pin hole (21) and an unlocking position withdrawn from the pin hole (21), and the elastic member (35) is used for stopping the key (34) at the locking position.

8. A quick release leg structure according to claim 7, characterized in that there are two keys (34) and are symmetrical about the center of the leg assembly (1), the pin hole (21) is provided with two keys (34) and are opposite to each other, and the elastic member (35) comprises a spring, and the spring is arranged between the two keys (34).

9. A quick release leg structure according to claim 7, characterized in that the key (34) has a decreasing outer diameter dimension in a direction away from the leg assembly (1) and the pin hole (21) has an inner diameter dimension in a direction away from the axis of the mounting groove (4).

10. The quick-release leg structure according to claim 7, wherein a buffer member (6) is disposed at the end of the leg assembly (1) connected to the foot end assembly (2), and the buffer member (6) abuts against the bottom of the mounting groove (4).

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