Base connecting assembly

Abstract

The utility model discloses a base connecting assembly, which comprises a base, a bracket; a first connecting structure is arranged on the base, and a second connecting structure is arranged on the bracket; by relatively rotating the base and / or the bracket, the first connecting structure slides along the second connecting structure until the first connecting structure and the second connecting structure are mutually clamped. The first connecting structure and the second connecting structure are arranged, the base and / or the bracket are relatively rotated, the first connecting structure slides along the second connecting structure until the first connecting structure and the second connecting structure are mutually clamped, the second connecting structure plays a role in guiding the first connecting structure, and the base and the bracket can be assembled without other tools; the base and the bracket are stably connected, and operation is convenient and efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of household electrical appliances, especially to a base connecting assembly. BACKGROUND

[0002] In the existing household electrical appliances technology industry, in order to facilitate production, conveying, generally need to assemble products, such as fan, fan heater and other household electrical appliances, the base and the body of these household electrical appliances are often made in a split mode and then assembled, for example: 1, threaded assembly, a thread is arranged on the base and the body respectively, the base and the body are screwed by rotating, but the base and the body are easy to separate from each other; 2, buckle connection, a buckle and a clamping position are arranged on the base and the body respectively, the buckle is arranged along the axial direction of the body, and the buckle and the clamping position are matched to complete the buckle connection after the body is assembled into the base, but the buckle arranged on the body hinders the assembly of the body into the base, and the buckle needs to be opened by means of tools or two people to assemble the body into the base, and then the buckle is buckled into the clamping position to complete the installation, which is not convenient for the installation of the base and the body. SUMMARY

[0003] In order to overcome at least one of the defects of the prior art, the utility model provides a base connecting assembly, which is provided with a first connecting structure and a second connecting structure, by relatively rotating the base and / or the bracket, the first connecting structure slides along the second connecting structure until they are mutually buckled, the second connecting structure guides the first connecting structure, without the aid of other tools, the assembly of the base and the bracket can be completed, the base and the bracket are connected stably, and the operation is convenient and efficient.

[0004] The utility model adopts the technical scheme that

[0005] A base connecting assembly comprises:

[0006] a base;

[0007] a bracket;

[0008] The base is provided with a first connecting structure, and the bracket is provided with a second connecting structure;

[0009] By relatively rotating the base and / or the bracket, the first connecting structure slides along the second connecting structure until they are mutually buckled.

[0010] In some embodiments, the first connecting structure comprises mutually connected elastic arms and a first buckling part, and the elastic arms are arranged along the circumferential direction of the bracket;

[0011] The second connecting structure comprises a first sliding groove and a second clamping part connected with each other. The first sliding groove is arranged along the circumference of the bracket. The first sliding groove is provided with a first guide opening. The first clamping part enters the corresponding first sliding groove through the first guide opening.

[0012] In some embodiments, the middle part of the base is provided with a mounting hole for inserting the bracket. The first connecting structure is arranged on the inner wall of the mounting hole. The second connecting structure is arranged on the outer wall of the bracket.

[0013] In some embodiments, the inner wall of the mounting hole of the base is provided with a third connecting structure. The outer wall of the bracket is provided with a fourth connecting structure. The third connecting structure and the fourth connecting structure are matched with each other.

[0014] The third connecting structure is a protrusion. The fourth connecting structure is a second sliding groove. Alternatively, the third connecting structure is a second sliding groove. The fourth connecting structure is a protrusion.

[0015] The second sliding groove is arranged along the circumference of the bracket. The second sliding groove is provided with a second guide opening for introducing the protrusion. The protrusion enters the corresponding second sliding groove through the second guide opening.

[0016] In some embodiments, the base comprises a first part and a second part.

[0017] One end of the first part and one end of the second part are provided with a fifth connecting structure. The other end of the first part and the other end of the second part are provided with a sixth connecting structure.

[0018] After the fifth connecting structure on the first part and the sixth connecting structure on the second part are rotationally connected, the sixth connecting structure on the first part and the fifth connecting structure on the second part are rotationally connected by relatively rotating the first part and / or the second part.

[0019] In some embodiments, the first part and the second part have the same structure.

[0020] In some embodiments, the fifth connecting structure is a first arc-shaped clasp. The sixth connecting structure is an arc-shaped clamping groove. Alternatively, the fifth connecting structure is an arc-shaped clamping groove. The sixth connecting structure is a first arc-shaped clasp.

[0021] The arc-shaped clamping groove has a third guide opening.

[0022] When the first part and / or the second part are relatively rotated, the first arc-shaped clasp enters the corresponding arc-shaped clamping groove through the third guide opening.

[0023] In some embodiments, one end of the first part and one end of the second part are provided with a seventh connecting structure and a ninth connecting structure. The other end of the first part and the other end of the second part are provided with an eighth connecting structure and a tenth connecting structure.

[0024] When the fifth connecting structure on the first part is rotationally connected with the sixth connecting structure on the second part, and the sixth connecting structure on the first part is rotationally connected with the fifth connecting structure on the second part, the seventh connecting structure on the first part is clamped with the eighth connecting structure on the second part, the eighth connecting structure on the first part is clamped with the seventh connecting structure on the second part, the ninth connecting structure on the first part is clamped with the tenth connecting structure on the second part, and the tenth connecting structure on the first part is clamped with the ninth connecting structure on the second part.

[0025] In some embodiments, the seventh connecting structure is a clamping groove, the eighth connecting structure is an elastic buckle, the clamping groove has a fourth guide opening, and when the first part and / or the second part are relatively rotated, the elastic buckle enters the corresponding clamping groove through the fourth guide opening.

[0026] The fifth connecting structure is a second arc-shaped buckle, the sixth connecting structure is a square clamping groove, the square clamping groove has a fifth guide opening, and when the first part and / or the second part are relatively rotated, the second arc-shaped buckle enters the corresponding square clamping groove through the fifth guide opening.

[0027] In some embodiments, one end of the first part is provided with the fifth connecting structure, the seventh connecting structure and the ninth connecting structure.

[0028] The other end of the first part is provided with the sixth connecting structure, the eighth connecting structure and the tenth connecting structure.

[0029] In summary, the utility model has the following technical effects: the utility model is provided with the first connecting structure and the second connecting structure, the first connecting structure slides along the second connecting structure until the two are clamped with each other by relatively rotating the base and / or the bracket, the second connecting structure plays a guiding role on the first connecting structure, the base and the bracket can be assembled without the aid of other tools, the base and the bracket are stably connected, and the operation is convenient and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a structural schematic view of the first perspective of the embodiment of the utility model;

[0031] Figure 2 It is an exploded structural schematic view of the embodiment of the utility model; Figure 1

[0032] Figure 3 It is a structural schematic view of the bracket of the embodiment of the utility model;

[0033] Figure 4 It is a structural schematic view of the first part of the embodiment of the utility model;

[0034] Figure 5 It is a structural schematic view of the embodiment of the utility model;​Figure 4 a local enlarged schematic view of the base;

[0035] Figure 6 a top view schematic view of the base of the embodiment of the present application;

[0036] Figure 7 a structure schematic view of the embodiment of the present application Figure 6 a sectional view schematic view of A-A direction;

[0037] Figure 8 a structure schematic view of the embodiment of the present application Figure 6 a sectional view schematic view of B-B direction;

[0038] Figure 9 a structure schematic view of the embodiment of the present application Figure 6 a sectional view schematic view of C-C direction;

[0039] Figure 10 a structure schematic view of the second perspective of the embodiment of the present application;

[0040] Figure 11 a structure schematic view of the embodiment of the present application Figure 10 a sectional view schematic view of D-D direction.

[0041] Wherein, the meaning of the reference signs is as follows:

[0042] 10, base, 101, first part, 102, second part, 20, bracket, 30, first connecting structure, 301, elastic arm, 302, first clamping part, 303, hand holding part, 40, second connecting structure, 401, first sliding groove, 402, second clamping part, 403, first guide opening, 404, guide part, 50, mounting hole, 60, third connecting structure, 70, fourth connecting structure, 80, second guide opening, 90, fifth connecting structure, 100, sixth connecting structure, 110, third guide opening, 120, seventh connecting structure, 130, eighth connecting structure, 140, fourth guide opening, 150, ninth connecting structure, 160, tenth connecting structure, 170, fifth guide opening, a, arc part. DETAILED DESCRIPTION

[0043] In order to better understand and implement, the technical scheme in the embodiment of the present application will be clearly and completely described below by combining the drawings in the embodiment of the present application.

[0044] In the description of the utility model, it is necessary to explain, the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as limiting the utility model.

[0045] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model.

[0046] Referring to Figures 1-11 The utility model discloses a base connecting assembly, include: base 10, bracket 20, be provided with first connecting structure 30 on base 10, be provided with second connecting structure 40 on bracket 20, through relatively rotating base 10 and / or bracket 20, first connecting structure 30 along second connecting structure 40 slide until the mutual clamping of both.

[0047] The utility model is provided with first connecting structure 30 and second connecting structure 40, through relatively rotating base 10 and / or bracket 20, first connecting structure 30 along second connecting structure 40 slide until the mutual clamping of both, and second connecting structure 40 plays the role of guiding first connecting structure 30, without the aid of other tools, the assembly of base 10 and bracket 20 can be completed, and base 10 and bracket 20 are connected stably, and the operation is convenient and efficient.

[0048] In the embodiment of the utility model, first connecting structure 30 includes the elastic arm 301 and the first clamping portion 302 that are connected with each other, and the elastic arm 301 is arranged along the circumferential extension of bracket 20, and second connecting structure 40 includes the first sliding groove 401 and the second clamping portion 402 that are connected with each other, and the first sliding groove 401 is arranged along the circumferential extension of bracket 20, and the first sliding groove 401 is provided with the first guide port 403, and the first clamping portion 302 enters the corresponding first sliding groove 401 through the first guide port 403.

[0049] Specifically, the first clamping part 302 and the second clamping part 402 are matched with each other, the first clamping part 302 enters the corresponding first sliding groove 401 through the first guide opening 403, and the first clamping part 302 is clamped with the second clamping part 402 after moving along the first sliding groove 401 to the second clamping part 402; in the above movement process, the first clamping part 302 is pushed open by the second clamping part 402, so that the first clamping part 302 is opened without the help of other tools or two people, and finally the matching of the first clamping part 302 and the second clamping part 402 is completed.

[0050] Specifically, in order to realize that the first clamping part 302 is pushed open by the second clamping part 402 and the first clamping part 302 can be clamped with the second clamping part 402, the guide part 404 is arranged inclined between the second clamping part 402 and the first sliding groove 401.

[0051] In the embodiment of the utility model, the middle part of base 10 is provided with mounting hole 50 for inserting bracket 20, first connecting structure 30 is arranged on the inner wall of mounting hole 50, and second connecting structure 40 is arranged on the outer wall of bracket 20.

[0052] In the embodiment of the utility model, the inner wall of mounting hole 50 of base 10 is provided with third connecting structure 60, the outer wall of bracket 20 is provided with fourth connecting structure 70, and third connecting structure 60 and fourth connecting structure 70 are matched with each other; third connecting structure 60 is a protruding block, and fourth connecting structure 70 is a second sliding groove, the second sliding groove is arranged along the circumferential direction of bracket 20, and the second sliding groove is provided with second guide opening 80 for introducing the protruding block, and the protruding block enters the corresponding second sliding groove through second guide opening 80.

[0053] In other embodiments, third connecting structure 60 is a second sliding groove, and fourth connecting structure 70 is a protruding block.

[0054] Specifically, the second sliding groove plays a guiding role in the movement of the protruding block, and through the mutual cooperation of the protruding block and the second sliding groove, the stability of the movement of the base 10 and the bracket 20 in the assembly process is improved, and the connection stability after the base 10 and the bracket 20 are assembled is increased.

[0055] It should be noted that the placement direction of the base 10 and the bracket 20 in the drawing is the up-down direction, the bracket 20 is arranged at the upper side, and the base 10 is arranged at the lower side, as shown in Figures 1-3Specifically, when assembling the base 10 and the bracket 20, the bracket 20 is inserted into the mounting hole 50 of the base 10 from top to bottom, or the base 10 is sleeved on the outside of the bracket 20 from bottom to top; then, the bracket 20 is kept stationary and the base 10 is rotated, or the base 10 is kept stationary and the bracket 20 is rotated, or the base 10 and the bracket 20 are rotated in opposite directions during the assembling process until the first connecting structure 30 and the second connecting structure 40 are clamped, and the assembling of the base 10 and the bracket 20 is completed.

[0056] Specifically, the elastic arm 301 and the first clamping part 302 are connected with each other to form an elastic fastener, and in order to facilitate the disassembly of the base 10 and the bracket 20, the first connecting structure 30 further comprises a hand-held part 303; during disassembly, the user can separate the first connecting structure 30 by using the hand-held part 303, so that the first connecting structure 30 and the second connecting structure 40 are separated from each other, and the base 10 and the bracket 20 can be further separated.

[0057] In the embodiment of the utility model, the base 10 includes a first part 101 and a second part 102; one end of the first part 101 and one end of the second part 102 are provided with a fifth connecting structure 90, and the other end of the first part 101 and the other end of the second part 102 are provided with a sixth connecting structure 100; after the fifth connecting structure 90 on the first part 101 and the sixth connecting structure 100 on the second part 102 are rotationally connected, the first part 101 and / or the second part 102 are relatively rotated, so that the sixth connecting structure 100 on the first part 101 and the fifth connecting structure 90 on the second part 102 are rotationally connected.

[0058] After the fifth connecting structure 90 on the first part 101 and the sixth connecting structure 100 on the second part 102 are rotationally connected in the utility model, the first part 101 and / or the second part 102 are relatively rotated, so that the sixth connecting structure 100 on the first part 101 and the fifth connecting structure 90 on the second part 102 are rotationally connected, so that the first part 101 and the second part 102 are assembled, which is easy to operate and assemble; and since the first part 101 and the second part 102 are provided with the fifth connecting structure 90 and the sixth connecting structure 100, the first part 101 and the second part 102 can be two same components, so as to reduce the cost.

[0059] In the embodiment of the utility model, the first part 101 and the second part 102 have the same structure.

[0060] Since the first part 101 and the second part 102 have the same structure, the first part 101 and the second part 102 are a kind of parts, which can be produced by the same mold, and first part 101 and second part 102 do not need to be distinguished when packaging, which reduces production cost and packaging cost.

[0061] In the embodiment of the utility model, the fifth connecting structure 90 is a first arc-shaped buckle, and the sixth connecting structure 100 is an arc-shaped clamping groove.

[0062] In some other embodiments, the fifth connecting structure 90 is an arc-shaped clamping groove, and the sixth connecting structure 100 is a first arc-shaped buckle.

[0063] Specifically, the first arc-shaped buckle and the arc-shaped clamping groove both have an arc-shaped part, and when the first part 101 and / or the second part 102 are relatively rotated, the first arc-shaped buckle and the arc-shaped clamping groove can be matched.

[0064] In the embodiment of the utility model, the arc-shaped clamping groove has a third guide opening 110, and when the first part 101 and / or the second part 102 are relatively rotated, the first arc-shaped buckle enters the corresponding arc-shaped clamping groove through the third guide opening 110.

[0065] In the embodiment of the utility model, the first part 101 is arranged on the left side, and the second part 102 is arranged on the right side, with the arrangement direction of the first part 101 and the second part 102 in the drawing as the left-right direction. Figures 4-6 Since the fifth connecting structure 90 is a first arc-shaped buckle, and the first arc-shaped buckle has an upward bending part along the A-A direction, the first part 101 and the second part 102 cannot be directly clamped along the left-right direction, the first part 101 and the second part 102 can be clamped along the up-down direction, or the first part 101 and the second part 102 can be clamped by rotating; that is, when the first part 101 and the second part 102 are connected and matched by the fifth connecting structure 90 and the sixth connecting structure 100, due to the clamping effect of the fifth connecting structure 90 and the sixth connecting structure 100, the first part 101 and the second part 102 cannot be directly pulled apart and separated in the left-right direction, and the first part 101 or the second part 102 can be separated by rotating or separated by being disassembled along the up-down direction.

[0066] In the embodiment of the utility model, one end of the first part 101 and one end of the second part 102 are provided with the seventh connecting structure 120 and the ninth connecting structure 150, and the other end of the first part 101 and the other end of the second part 102 are provided with the eighth connecting structure 130 and the tenth connecting structure; when the fifth connecting structure 90 on the first part 101 is rotationally connected with the sixth connecting structure 100 on the second part 102, and the sixth connecting structure 100 on the first part 101 is rotationally connected with the fifth connecting structure 90 on the second part 102, the seventh connecting structure 120 on the first part 101 is clamped with the eighth connecting structure 130 on the second part 102, the eighth connecting structure 130 on the first part 101 is clamped with the seventh connecting structure 120 on the second part 102, the ninth connecting structure 150 on the first part 101 is clamped with the tenth connecting structure 160 on the second part 102, and the tenth connecting structure 160 on the first part 101 is clamped with the ninth connecting structure 150 on the second part 102.

[0067] In the embodiment of the utility model, the seventh connecting structure 120 is a clamping groove, the eighth connecting structure 130 is an elastic buckle, the clamping groove has a fourth guide opening 140, when the first part 101 and / or the second part 102 are relatively rotated, the elastic buckle enters the corresponding clamping groove through the fourth guide opening 140; the ninth connecting structure 150 is a second arc-shaped buckle, the tenth connecting structure 160 is a square clamping groove, the square clamping groove has a fifth guide opening 170, when the first part 101 and / or the second part 102 are relatively rotated, the second arc-shaped buckle enters the corresponding square clamping groove through the fifth guide opening 170.

[0068] Specifically, the eighth connecting structure 130 is strip-shaped, the eighth connecting structure 130 is connected with the first part 101 or the second part 102 through only one end, and both sides and the other end of the eighth connecting structure 130 are free ends, so as to form an elastic structure.

[0069] Continuing to refer to Figure 8 Since the eighth connecting structure 130 is an elastic buckle, and the elastic buckle has a hook portion in the section along the B-B direction, the elastic buckle is buckled with the first part 101 and the second part 102 in the up-down direction, so that the first part 101 and the second part 102 are limited in the up-down direction through the cooperation of the seventh connecting structure 120 and the eighth connecting structure 130, thereby avoiding that the first part 101 and the second part 102 are separated along the up-down direction; when it is needed to separate the first part 101 and the second part 102, the eighth connecting structure 130 can be pried in the opposite direction, so that the eighth connecting structure 130 is separated from the corresponding seventh connecting structure 120, thereby releasing the limitation of the first part 101 and the second part 102 in the up-down direction, and then the first part 101 and the second part 102 can be separated by rotating.

[0070] In the embodiment of the utility model, the ninth connecting structure 150 is a second arc-shaped buckle, and the tenth connecting structure 160 is a square clamping groove; the square clamping groove has a fifth guide opening 170, and when the first part 101 and / or the second part 102 are relatively rotated, the second arc-shaped buckle is clamped with the corresponding square clamping groove through the fifth guide opening 170.

[0071] Specifically, the second arc-shaped buckle and the square clamping groove both have an arc-shaped part, and when the first part 101 and / or the second part 102 are rotated, the cooperation between the second arc-shaped buckle and the square clamping groove can be realized.

[0072] Continuously referring to Figure 5 and Figure 9 , the second arc-shaped buckle can be limited in the rotating direction through the square clamping groove, and when the first part 101 and / or the second part 102 are rotated to the position, at this time, the first part 101 and the second part 102 are flush with each other, and due to the limiting effect of the square clamping groove in the rotating direction, the first part 101 and / or the second part 102 cannot continue to rotate in this direction; when it is needed to disassemble the first part 101 and the second part 102, the eighth connecting structure 130 is first pried in the reverse direction, so that the eighth connecting structure 130 is separated from the corresponding seventh connecting structure 120, thereby releasing the limitation of the first part 101 and the second part 102 in the up-down direction, and then the first part 101 and the second part 102 are separated by rotating in the reverse direction.

[0073] Specifically, the size of the square clamping groove is designed so that the ninth connecting structure 150 can be clamped with the tenth connecting structure 160 in the rotating process of the first part 101 and / or the second part 102.

[0074] In the embodiment of the utility model, one end of the first part 101 is provided with the fifth connecting structure 90, the seventh connecting structure 120 and the ninth connecting structure 150; the other end of the first part 101 is provided with the sixth connecting structure 100, the eighth connecting structure 130 and the tenth connecting structure 160.

[0075] Specifically, one end of the first part 101 is provided with a first arc-shaped buckle, a clamping groove and a second arc-shaped buckle; the other end of the first part 101 is provided with an arc-shaped clamping groove, an elastic buckle and a square clamping groove.

[0076] Further, the number of the fifth connecting structure 90, the seventh connecting structure 120, the ninth connecting structure 150, the sixth connecting structure 100, the eighth connecting structure 130 and the tenth connecting structure 160 is determined according to actual production requirements and is not limited.

[0077] Through setting the fifth connecting structure 90, the seventh connecting structure 120, the ninth connecting structure 150, the sixth connecting structure 100, the eighth connecting structure 130 and the tenth connecting structure 160, the first body 101 and the second body 102 can be buckled to obtain the base along the forward rotation; after the fourth connecting structure 70 is pried open in the reverse direction, the first body 101 and the second body 102 can be quickly disassembled to the base along the reverse rotation, and the base is easy to assemble and convenient to use.

[0078] The technical means disclosed by the utility model scheme is not only limited to the technical means disclosed by the above-mentioned embodiments, but also includes the technical scheme composed of any combination of the above technical features. It should be pointed out that, for ordinary skilled persons in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also considered to be within the protection scope of the utility model.

Claims

1. A base connection assembly, characterized by The utility model relates to a base, a bracket, first connecting structure is provided on the base, second connecting structure is provided on the bracket, the first connecting structure slides along the second connecting structure until the mutual clamping of both through the relative rotation of the base and / or the bracket. The first connecting structure includes elastic arms and first clamping parts connected to each other, the elastic arms are arranged along the circumference of the bracket; The second connecting structure includes first sliding grooves and second clamping parts connected to each other, the first sliding grooves are arranged along the circumference of the bracket, the first sliding grooves are provided with first guide openings, and the first clamping parts enter the corresponding first sliding grooves through the first guide openings. The middle part of the base is provided with a mounting hole for inserting the bracket, the first connecting structure is arranged on the inner wall of the mounting hole, and the second connecting structure is arranged on the outer wall of the bracket. The inner wall of the mounting hole of the base is provided with a third connecting structure, the outer wall of the bracket is provided with a fourth connecting structure, and the third connecting structure and the fourth connecting structure are matched with each other.

2. The base connection assembly of claim 1, wherein: The third connecting structure is a protrusion, the fourth connecting structure is a second sliding groove, or the third connecting structure is a second sliding groove, and the fourth connecting structure is a protrusion. The second sliding groove is arranged along the circumference of the bracket, the second sliding groove is provided with a second guide opening for introducing the protrusion, and the protrusion enters the corresponding second sliding groove through the second guide opening.

3. The base connection assembly of claim 1 or 2, wherein: The base includes a first part and a second part; 4. The base connection assembly of claim 3, wherein: One end of the first part and one end of the second part are provided with a fifth connecting structure, and the other end of the first part and the other end of the second part are provided with a sixth connecting structure; The fifth connecting structure on the first part and the sixth connecting structure on the second part are rotationally connected, and the sixth connecting structure on the first part and the fifth connecting structure on the second part are rotationally connected by relatively rotating the first part and / or the second part. The first part and the second part are the same in structure.

5. The base connection assembly of claim 1, wherein: The fifth connecting structure is a first arc-shaped buckle, the sixth connecting structure is an arc-shaped clamping groove, or the fifth connecting structure is an arc-shaped clamping groove, and the sixth connecting structure is a first arc-shaped buckle. The arc-shaped clamping groove has a third guide opening. When the first part and / or the second part are relatively rotated, the first arc-shaped buckle enters the corresponding arc-shaped clamping groove through the third guide opening.

6. The base connection assembly of claim 5, wherein: One end of the first part and one end of the second part are provided with a seventh connecting structure and a ninth connecting structure, and the other end of the first part and the other end of the second part are provided with an eighth connecting structure and a tenth connecting structure.

7. A base connection assembly according to claim 5 or 6, characterised in that: ​ ​ ​ 8. The base connection assembly of claim 6, wherein: ​ When the fifth connecting structure on the first part is rotationally connected with the sixth connecting structure on the second part, and the sixth connecting structure on the first part is rotationally connected with the fifth connecting structure on the second part, the seventh connecting structure on the first part is clamped with the eighth connecting structure on the second part, the eighth connecting structure on the first part is clamped with the seventh connecting structure on the second part, the ninth connecting structure on the first part is clamped with the tenth connecting structure on the second part, and the tenth connecting structure on the first part is clamped with the ninth connecting structure on the second part.

9. The base connection assembly of claim 8, wherein: The seventh connecting structure is a clamping groove, the eighth connecting structure is an elastic buckle, and the clamping groove has a fourth guide opening. When the first part and / or the second part are relatively rotated, the elastic buckle enters the corresponding clamping groove through the fourth guide opening. The fifth connecting structure is a second arc-shaped buckle, the sixth connecting structure is a square clamping groove, and the square clamping groove has a fifth guide opening. When the first part and / or the second part are relatively rotated, the second arc-shaped buckle enters the corresponding square clamping groove through the fifth guide opening.

10. The base connection assembly of claim 9, wherein: One end of the first part is provided with the fifth connecting structure, the seventh connecting structure and the ninth connecting structure. The other end of the first part is provided with the sixth connecting structure, the eighth connecting structure and the tenth connecting structure.

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