Connecting components and connecting structure

By setting first and second shrinkage openings in the cylindrical part of the connecting female part and using toothed engagement, the problem that traditional connecting female parts cannot shrink in all directions is solved, achieving better connection effect and stability.

CN115899031BActive Publication Date: 2026-07-17GUANGZHOU TIANXING MASCH JOINT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUANGZHOU TIANXING MASCH JOINT CO LTD
Filing Date
2022-12-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional connecting female parts can only elastically shrink in certain areas along the axial direction, and cannot shrink as a whole, resulting in poor connection performance.

Method used

Design a connecting mother part, with the cylindrical part having first and second shrinkage openings along the axial direction, so that it has sufficient shrinkage space in the radial direction, and achieves omnidirectional connection through the toothed engagement of the connecting part and the structural part.

Benefits of technology

It achieves all-round elastic contraction of the connecting female component in the axial direction, improving the connection effect and stability, and meeting more usage needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application discloses a connecting female component and a connecting structure. The connecting female component is used to connect a first structural member and includes a cylindrical portion and a connecting portion. The cylindrical portion has a first end and a second end disposed opposite to each other along its axial direction. A first contraction opening is provided through the first end of the cylindrical portion radially, and a second contraction opening is provided through the second end of the cylindrical portion radially, which allows the cylindrical portion to have a certain contraction space in the radial direction. The connecting portion is located on the outer periphery of the cylindrical portion and is used to connect and mate with the first structural member. In the axial direction of the cylindrical portion, the sum of the lengths of the first contraction opening and the second contraction opening is greater than or equal to the length of the cylindrical portion. Therefore, any part of the cylindrical portion in its axial direction has contraction space, and the connecting female component can elastically contract in all parts in its axial direction, thereby enabling the connecting female component to meet more usage requirements.
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Description

Technical Field

[0001] This application relates to the field of connection structure technology, and in particular to a connection mother component and connection structure. Background Technology

[0002] A connecting structure is a common type of structure that connects two components. In some connecting structures, a connecting nut is fitted onto the connecting rod, and the connecting nut engages with the component being connected through its elastic contraction. However, traditional connecting nuts generally result in poor connection performance. Summary of the Invention

[0003] Therefore, it is necessary to provide a connecting component and connecting structure to address the problem of poor connection effect of traditional connecting components.

[0004] According to a first aspect of this application, a connecting mother is provided for connecting a first structural member, the connecting mother comprising:

[0005] A cylindrical portion having a first end and a second end disposed opposite to each other along the axial direction of the cylindrical portion; a first constriction opening is provided through the first end of the cylindrical portion radially, and a second constriction opening is provided through the second end of the cylindrical portion radially, wherein the sum of the lengths of the first constriction opening and the second constriction opening is greater than or equal to the length of the cylindrical portion along the axial direction of the cylindrical portion; and

[0006] A connecting portion is provided on the outer periphery of the cylindrical portion, and the connecting portion is used to connect and cooperate with the first structural member when the connecting female member is inserted into the first structural member.

[0007] In one embodiment, the width of the first contraction opening is greater than the width of the second contraction opening along the circumferential direction of the cylindrical portion.

[0008] In one embodiment, the number of the first contraction openings is greater than the number of the second contraction openings.

[0009] In one embodiment, the first structural member has a mounting hole for the connecting female member to be inserted, and the sidewall of the mounting hole is provided with a first tooth;

[0010] The connecting portion includes a second tooth disposed on the outer periphery of the cylindrical portion and corresponding to the first tooth, and the connecting portion is connected to the side wall of the mounting hole of the first structural member by means of the second tooth and the first tooth.

[0011] In one embodiment, each of the second teeth has a pointing plane facing away from the first end of the cylindrical portion; wherein:

[0012] Each of the aforementioned pointing planes extends radially along the cylindrical portion; or,

[0013] Each of the aforementioned pointing planes extends obliquely toward the first end, and the angle between each of the aforementioned pointing planes and the radial direction of the cylindrical portion is α, where 0° < α ≤ 10°; or,

[0014] Each of the pointing planes extends obliquely toward the second end, and the angle between each of the pointing planes and the radial direction of the cylindrical portion is b, where 0° < b ≤ 30°.

[0015] In one embodiment, the connecting portion includes a second tooth, which is configured as a threaded tooth or an annular tooth.

[0016] In one embodiment, the outer diameter of the cylindrical portion gradually increases from the second end to the first end.

[0017] In one embodiment, the cylindrical portion is configured as a corrugated spring.

[0018] In one embodiment, the crests and troughs of the corrugated spring are alternately connected in a ring structure along the circumference of the mounting hole; or

[0019] The crests and troughs of the corrugated spring are alternately connected in a ring structure along the axial direction of the mounting hole.

[0020] In one embodiment, the wall thickness of the cylindrical portion gradually decreases from the second end to the first end.

[0021] In one embodiment, the cylindrical portion includes a first portion and a second portion connected in sequence, and the connecting portion includes threaded teeth provided in the first portion and annular teeth provided in the second portion.

[0022] The threaded teeth are used to screw into the second structural component, and the annular teeth are used to connect and engage with the first structural component.

[0023] In one embodiment, the cylindrical portion includes a first part and a second part connected in sequence, and the connecting part includes annular teeth respectively disposed on the first part and the second part. The first part is used to connect with the second structural member, and the second part is used to connect with the first structural member.

[0024] In one embodiment, the cylindrical portion includes a first part and a second part connected in sequence, and the connecting part includes threaded teeth respectively provided on the first part and the second part. The first part is used to connect with the second structural member, and the second part is used to connect with the first structural member.

[0025] In one embodiment, the connecting female component is provided with a reserved notch, which is provided through the connecting female component along both the axial and radial directions.

[0026] According to a second aspect of this application, a connection structure is also provided for connecting a first structural member and a second structural member, the connection structure comprising:

[0027] The connecting female component as described above; and

[0028] The connecting rod includes a first section and a second section connected sequentially along the axial direction of the cylindrical part. The first section is used to be screwed to the second structural member. The cylindrical part of the connecting female member is sleeved on the second section.

[0029] In the technical solution of this application, the cylindrical body is provided with a first contraction opening and a second contraction opening, which gives the cylindrical body a certain contraction space in the radial direction. Therefore, when the connecting female is inserted into the mounting hole on the first structural member, the cylindrical body can contract radially when squeezed by the side wall of the mounting hole. Through the contraction of the cylindrical body, the connecting female can be inserted into the mounting hole. After the connecting female is inserted into the mounting hole, the connecting part provided on the cylindrical body will connect with the inner wall of the mounting hole, thereby connecting the cylindrical body with the first structural member.

[0030] In this application, along the axial direction of the cylindrical portion, the sum of the lengths of the first and second contraction openings is greater than or equal to the length of the cylindrical portion. That is, the cylindrical portion has contraction space at any part along its axial direction, thus the connecting mother can elastically contract at all parts along its axial direction, thereby enabling the connecting mother to meet more usage requirements and improving the connection effect of the connection structure equipped with the connecting mother. Attached Figure Description

[0031] Figure 1 This is a front view schematic diagram of the first embodiment of the connecting mother component proposed in this application;

[0032] Figure 2 This is a front view schematic diagram of the second embodiment of the connecting mother component proposed in this application;

[0033] Figure 3 This is a front view schematic diagram of the third embodiment of the connecting female component proposed in this application;

[0034] Figure 4 This is a schematic diagram of an embodiment of the connection structure proposed in this application;

[0035] Figure 5 for Figure 4 Installation diagram of the intermediate connection structure;

[0036] Figure 6 for Figure 1 A partial schematic diagram of an embodiment of the connecting portion in the connecting mother component;

[0037] Figure 7 for Figure 1 A partial schematic diagram of another embodiment of the connecting portion in the connecting mother component;

[0038] Figure 8 for Figure 1 A partial schematic diagram of another embodiment of the connecting portion in the connecting mother component;

[0039] Figure 9 This is a cross-sectional schematic diagram of the fourth embodiment of the connecting female component proposed in this application;

[0040] Figure 10 This is a top view schematic diagram of the fifth embodiment of the connecting female component proposed in this application;

[0041] Figure 11 This is a front view schematic diagram of the sixth embodiment of the connecting female component proposed in this application;

[0042] Figure 12 This is a cross-sectional schematic diagram of the seventh embodiment of the connecting female component proposed in this application;

[0043] Figure 13 This is a front view schematic diagram of the eighth embodiment of the connecting female component proposed in this application;

[0044] Figure 14 This is a structural schematic diagram of the ninth embodiment of the connecting mother component proposed in this application.

[0045] Explanation of icon numbers:

[0046] label name label name 100 Connecting female component 1 cylindrical section 11 First end 12 Second end 13 First contraction opening 14 Second contraction opening 15 Part One 16 Part Two 2 Connection part 21 Second tooth 21a Pointing to the plane 3 Corrugated springs 31 crest 32 trough 4 Reserved gap 200 Connection structure 210 Connecting rod 211 First paragraph 212 Second paragraph 300 First structural component 310 First tooth 400 Second structural component Detailed Implementation

[0047] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0048] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0049] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0050] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0051] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0052] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0053] A connecting structure is a common type of structure that connects two components. In some connecting structures, a connecting female component is fitted onto the connecting rod, and the connecting female component engages with the component to be connected through elastic contraction.

[0054] The inventors of this application discovered through research that traditional connecting female parts are generally designed as cylindrical, which gives them a certain degree of elasticity. However, only the parts near both ends of the cylindrical part can achieve a certain degree of elastic contraction by bending inward. The middle part of the traditional connecting female part cannot contract because it lacks contraction space, resulting in poor connection performance of the traditional connecting female part in some situations.

[0055] In view of this, this application proposes a connecting female component to solve the problem that traditional connecting female components can only elastically contract at a portion of their axial direction, and cannot elastically contract as a whole, resulting in poor connection performance in some situations. The inventors of this application, starting from the perspective of increasing the contraction space of the connecting female component, have designed a connecting female component that allows it to elastically contract at any point along its axial direction.

[0056] Figures 1 to 14 This is a schematic diagram of the structure of the connecting female component proposed in this application.

[0057] Please see Figures 1 to 3 The connecting female part 100 proposed in this application is used to connect a first structural member 300. The connecting female part 100 includes a cylindrical part 1 and a connecting part 2. The cylindrical part 1 has a first end 11 and a second end 12 disposed opposite to each other along the axial direction of the cylindrical part 1. A first constriction opening 13 is provided through the first end 11 of the cylindrical part 1 radially, and a second constriction opening 14 is provided through the second end 12 of the cylindrical part 1 radially. Furthermore, along the axial direction of the cylindrical part 1, the sum of the length of the first constriction opening 13 and the length of the second constriction opening 14 is greater than or equal to the length of the cylindrical part 1. The connecting part 2 is provided on the outer periphery of the cylindrical part 1, and the connecting part 2 is used to connect and cooperate with the first structural member 300 when the connecting female part 100 is inserted into the first structural member 300.

[0058] In the technical solution of this application, the cylindrical part 1 is provided with a first contraction opening 13 and a second contraction opening 14, which gives the cylindrical part 1 a certain contraction space in the radial direction. Therefore, when the connecting female part 100 is inserted into the mounting hole on the first structural member 300, the cylindrical part 1 can contract radially when squeezed by the side wall of the mounting hole. Through the contraction of the cylindrical part 1, the connecting female part 100 can be inserted into the mounting hole. After the connecting female part 100 is inserted into the mounting hole, the connecting part 2 provided on the cylindrical part 1 will connect with the inner wall of the mounting hole, thereby connecting the cylindrical part 1 with the first structural member 300.

[0059] In this application, along the axial direction of the cylindrical portion 1, the sum of the lengths of the first contraction opening 13 and the second contraction opening 14 is greater than or equal to the length of the cylindrical portion 1. That is, the cylindrical portion 1 has contraction space at any part in its axial direction, so the connecting mother 100 can elastically contract at all parts in its axial direction, thereby enabling the connecting mother 100 to meet more usage requirements and making the connection structure 200 with the connecting mother 100 have a better connection effect.

[0060] Please see Figure 2 In some embodiments, the width of the first contraction opening 13 is greater than the width of the second contraction opening 14 along the circumferential direction of the cylindrical portion 1. In practical applications, the connecting female 100 needs to be inserted into the mounting hole on the first structural member 300. The first end 11 will contact the first structural member 300 first and be inserted into the mounting hole first. Therefore, during the process of inserting the connecting female 100 into the mounting hole, the area near the first end 11 will remain in an elastically contracted state, and thus the area near the first end 11 requires a larger contraction space than the area near the second end 12.

[0061] The cylindrical part 1 actually ensures its own shrinkage space by opening a first shrinkage opening 13 and a second shrinkage opening 14. Therefore, the width of the first shrinkage opening 13 located at the first end 11 along the circumferential direction of the cylindrical part 1 should be greater than that of the second shrinkage opening 14 located at the second end 12. This makes the area near the first end 11 have a larger shrinkage space than the area near the second end 12, so that the connecting mother 100 can meet more usage needs and the connection effect of the connecting structure 200 with the connecting mother 100 is better.

[0062] Please see Figure 3In some embodiments, the number of first contraction openings 13 is greater than the number of second contraction openings 14. In practical applications, the connecting female 100 needs to be inserted into the mounting hole on the first structural member 300. The first end 11 will contact the first structural member 300 first and be inserted into the mounting hole first. Therefore, during the process of inserting the connecting female 100 into the mounting hole, the area near the first end 11 will remain in an elastically contracted state, and thus the area near the first end 11 requires a larger contraction space than the area near the second end 12.

[0063] The cylindrical part 1 actually ensures its own shrinkage space by opening a first shrinkage opening 13 and a second shrinkage opening 14. Therefore, the number of first shrinkage openings 13 located at the first end 11 is greater than the number of second shrinkage openings 14 located at the second end 12, so that the area near the first end 11 has a larger shrinkage space than the area near the second end 12, thereby enabling the connecting mother 100 to meet more usage needs and making the connection structure 200 with the connecting mother 100 have a better connection effect.

[0064] In some embodiments, the first structural member 300 has a mounting hole for inserting the connecting female member 100, and the sidewall of the mounting hole is provided with a first tooth 310. The connecting portion 2 includes a second tooth 21 disposed on the outer periphery of the cylindrical portion 1 and corresponding to the first tooth 310, and the connecting portion 2 is connected to the sidewall of the mounting hole of the first structural member 300 by means of the second tooth 21 and the first tooth 310.

[0065] When the connecting female part 100 is inserted into the mounting hole, the second tooth 21 collides and squeezes against the first tooth 310, causing the cylindrical part 1 to contract radially, thus allowing the connecting female part 100 to be inserted into the mounting hole. After the connecting female part 100 is installed, the second tooth 21 will no longer collide and squeeze against the first tooth 310, and the cylindrical part 1 will recover to a certain extent, thereby allowing the second tooth 21 to mesh tightly with the first tooth 310.

[0066] Through the tight engagement of the second tooth 21 and the first tooth 310, the connecting female part 100 can be tightly connected to the first structural part 300. In practical applications, if the first structural part 300 is relatively lightweight, the first tooth 310 and the second tooth 21 can be configured as threaded teeth, so that the first structural part 300 and the connecting female part 100 can be directly installed by rotating them relative to each other, making installation more convenient.

[0067] Each second tooth 21 has a pointing plane 21a facing away from the first end 11 of the cylindrical portion 1. The extending direction of the pointing plane 21a can be used as a reference for the extending direction of the corresponding second tooth 21. In one embodiment of this application, each pointing plane 21a extends radially along the cylindrical portion 1.

[0068] Please see Figure 6 In practical applications, the first tooth 310 is generally arranged to extend radially along the mounting hole. When each pointing plane 21a extends radially along the cylindrical part 1, the extension direction of each second tooth 21 is relatively close to the radial direction of the cylindrical part 1. At this time, the extension directions of the first tooth 310 and the second tooth 21 are approximately the same, so when the connecting mother 100 is inserted into the mounting hole of the first structural member 300, the degree of collision and compression between the second tooth 21 and the first tooth 310 is relatively moderate. This makes it less difficult to insert the connecting mother 100 into the mounting hole, and when the first structural member 300 or the connecting mother 100 is subjected to external force, the connection strength between the first tooth 310 and the second tooth 21 is also relatively moderate, thereby enabling the connection between the connecting mother 100 and the first structural member 300 to withstand greater impact.

[0069] Please see Figure 7 In another embodiment of this application, each pointing plane 21a extends obliquely toward the first end 11, and the angle between each pointing plane 21a and the radial direction of the cylindrical part 1 is α, where 0°<α≤10°.

[0070] Each second tooth 21 has its pointing plane 21a skewed toward the first end 11, while each first tooth 310 generally extends radially along the mounting hole. Therefore, in this embodiment, when the connecting mother 100 is inserted into the mounting hole of the first structural member 300, the degree of collision and compression between the second tooth 21 and the first tooth 310 is relatively small. This makes it relatively easy for the connecting mother 100 to be inserted into the mounting hole for installation, making the installation of the connecting mother 100 more convenient. However, this also means that when the first structural member 300 or the connecting mother 100 is subjected to external force, the connection strength between the first tooth 310 and the second tooth 21 is relatively low. Consequently, the connection between the connecting mother 100 and the first structural member 300 can only withstand a limited amount of impact. Therefore, the angle at which each pointing plane 21a is skewed toward the first end 11 cannot be too large, otherwise it will lead to instability in the connection between the connecting mother 100 and the first structural member 300.

[0071] Generally, the angle between each pointing plane 21a and the radial direction of the cylindrical part 1 should be less than or equal to 10°. When the angle between each pointing plane 21a and the radial direction of the cylindrical part 1 is less than or equal to 10°, the degree of collision and compression between the second tooth 21 and the first tooth 310 is smaller, the installation of the connecting mother 100 is more convenient, and the connection strength between the first tooth 310 and the second tooth 21 will not be too low, which can meet most usage requirements.

[0072] Please see Figure 8In another embodiment of this application, each pointing plane 21a extends obliquely toward the second end 12, and the angle between each pointing plane 21a and the radial direction of the cylindrical part 1 is b, where 0°<b≤30°.

[0073] Each second tooth 21 has its pointing plane 21a skewed towards the second end 12, while each first tooth 310 generally extends radially along the mounting hole. Therefore, in this embodiment, when the connecting mother 100 is inserted into the mounting hole of the first structural member 300, the collision and compression between the second teeth 21 and the first teeth 310 is significant, making it relatively difficult to insert the connecting mother 100 into the mounting hole and hindering its installation. However, this also results in a relatively high connection strength between the first teeth 310 and the second teeth 21 when the first structural member 300 or the connecting mother 100 is subjected to external force, allowing the connection between the connecting mother 100 and the first structural member 300 to withstand greater impact. Therefore, the angle at which each pointing plane 21a skews towards the second end 12 cannot be too large; otherwise, it will make the installation of the connecting mother 100 too difficult or impossible.

[0074] In practical applications, the angle between each pointing plane 21a and the radial direction of the cylindrical part 1 should be less than or equal to 30 degrees. When the angle between each pointing plane 21a and the radial direction of the cylindrical part 1 is less than or equal to 30°, the degree of collision and compression between the second tooth 21 and the first tooth 310 will not be too great, the connecting female part 100 can be installed, and the connection strength between the first tooth 310 and the second tooth 21 will be relatively large, which can meet a relatively larger number of usage requirements.

[0075] The second tooth 21 has different focuses in the above embodiments. Therefore, the connecting female part 100 can be adjusted and selected according to the usage requirements in specific applications.

[0076] Please see Figures 6 to 8 In some embodiments, the connecting portion 2 includes a second tooth 21, which is configured as a threaded tooth or an annular tooth.

[0077] When the connecting female part 100 is inserted into the first structural member 300, the connecting part 2 extends into the mounting hole in the first structural member 300 and connects with the side wall of the mounting hole. In specific applications, the connecting part 2 includes threaded teeth or ring teeth. When the connecting female part 100 is inserted into the first structural member 300, the teeth can connect with the side wall of the mounting hole, thereby making the connection between the first structural member 300 and the connecting female part 100 more stable.

[0078] Please see Figure 9In some embodiments, the outer diameter of the cylindrical portion 1 gradually increases from the second end 12 to the first end 11. In practical applications, the connecting nut 100 is connected to the first structural member 300 by inserting it into a mounting hole on the first structural member 300. Therefore, when the connecting nut 100 and the first structural member 300 are subjected to external force, the connecting nut 100 may be pulled out of the mounting hole. However, in this embodiment, the outer diameter of the cylindrical portion 1 gradually increases from the second end 12 to the first end 11, so the cylindrical portion 1 will encounter greater resistance when pulled out of the mounting hole, thereby making the connection between the connecting nut 100 and the first structural member 300 more stable.

[0079] In some embodiments, the cylinder portion 1 is configured as a corrugated spring 3. Due to the inherent characteristics of the corrugated spring 3, it elastically contracts when compressed radially, allowing it to be smoothly installed into the mounting hole. The structure of the corrugated spring 3 is relatively mature, and configuring the cylinder portion 1 as a corrugated spring 3 reduces development costs and manufacturing difficulties.

[0080] Please see Figures 10 to 11 In one embodiment of this application, the crests 31 and troughs 32 of the corrugated spring 3 are alternately connected in a ring shape along the circumference of the mounting hole. There are various styles of corrugated spring 3, such as a transverse corrugated spring 3 and a longitudinal corrugated spring 3. In the transverse corrugated spring 3, the crests 31 and troughs 32 are alternately connected in a ring shape along the circumference of the mounting hole. When the transverse corrugated spring 3 is inserted into the first structural member 300, the crests 31 contract and expand, allowing the transverse corrugated spring 3 to be squeezed into the mounting hole of the first structural member 300, thus completing the installation.

[0081] In another embodiment of this application, the crests 31 and troughs 32 of the corrugated spring 3 are alternately connected to form a ring structure along the axial direction of the mounting hole. The corrugated spring 3 is constructed as a longitudinal corrugated spring 3, with the crests 31 and troughs 32 of the longitudinal corrugated spring 3 alternately connected to form a ring structure along the axial direction of the mounting hole. When the longitudinal corrugated spring 3 is inserted into the first structural member, the crests 31 will contract and extend, thereby allowing the longitudinal corrugated spring 3 to be squeezed into the mounting hole of the first structural member 300, completing the installation.

[0082] Please see Figure 12In some embodiments, the wall thickness of the cylindrical portion 1 gradually decreases from the second end 12 to the first end 11. In practical applications, the first end 11 of the cylindrical portion 1 contacts the first structural member 300 before the second end 12, and the first end 11 of the cylindrical portion 1 is inserted through the mounting hole. During the insertion of the cylindrical portion 1 into the mounting hole, the area of ​​the cylindrical portion 1 near the first end 11 undergoes elastic contraction more frequently and for a longer period. Therefore, in this embodiment, the wall thickness of the cylindrical portion 1 gradually decreases from the second end 12 to the first end 11, meaning that the wall thickness of the first end 11 is relatively thinner than that of the second end 12. This makes the elastic contraction capability of the first end 11 of the cylindrical portion 1 better, and makes the installation of the cylindrical portion 1 more convenient.

[0083] Please see Figure 13 In some embodiments, the cylindrical portion 1 includes a first portion 15 and a second portion 16 connected in sequence, and the connecting portion 2 includes threaded teeth on the first portion 15 and annular teeth on the second portion 16. The threaded teeth are used to screw into the second structural member 400, and the annular teeth are used to connect and engage with the first structural member 300.

[0084] In this embodiment, the threaded teeth can be screwed onto the second structural member 400, and the annular teeth can be connected and engaged with the first structural member 300. Therefore, the first part 15 can be screwed onto the second structural member 400, and the second part 16 can be connected to the first structural member 300. That is, the cylindrical part 1 is screwed onto the second structural member 400 through the first part 15 and connected to the first structural member 300 through the second part 16, thereby enabling the first structural member 300 and the second structural member 400 to be relatively connected. Therefore, in this embodiment, the connecting female member 100 itself can connect the first structural member 300 and the second structural member 400 without the need for other structures.

[0085] Please see Figure 13 In some embodiments, the cylindrical part 1 includes a first part 15 and a second part 16 connected in sequence, and the connecting part 2 includes annular teeth respectively provided on the first part 15 and the second part 16. The first part is used to connect with the second structural member 400, and the second part 16 is used to connect with the first structural member 300.

[0086] In this embodiment, the cylindrical portion 1 includes a first portion 15 and a second portion 16, which are respectively connected to the first structural member 300 and the second structural member 400 via the first portion 15 and the second portion 16. This eliminates the need for the connecting rod 210 in the connecting structure 200 to connect the first structural member 300 and the second structural member 400. The connecting portion 2 can be implemented in many ways; for example, in this embodiment, the connecting portion 2 includes annular teeth on the first portion 15 and the second portion 15, thereby connecting to the first structural member 300 and the second structural member 400 respectively.

[0087] In some embodiments, the cylindrical portion 1 includes a first portion 15 and a second portion 16 connected in sequence, and the connecting portion 2 includes threaded teeth respectively provided on the first portion 15 and the second portion 16. The first portion 15 is used to connect with the second structural member 400, and the second portion 16 is used to connect with the first structural member 300.

[0088] In this embodiment, the cylindrical portion 1 includes a first portion 15 and a second portion 16, which are respectively connected to the first structural member 300 and the second structural member 400 via the first portion 15 and the second portion 16. This eliminates the need for the connecting rod 210 in the connecting structure 200 to connect the first structural member 300 and the second structural member 400. The connecting portion 2 can be implemented in many ways; for example, in this embodiment, the connecting portion 2 includes threaded teeth on the first portion 15 and the second portion 16, thereby connecting to the first structural member 300 and the second structural member 400 respectively.

[0089] Please see Figure 14 In some embodiments, the connecting female part is provided with a reserved notch 4, which is provided through the connecting female part 100 along the axial and radial directions respectively.

[0090] The connecting female component 100 has a reserved notch 4, which makes the connecting female component 100 C-shaped. When the connecting female component 100 is inserted into the mounting hole on the first structural component 300, the connecting female component 100 can obtain a certain amount of shrinkage space not only through the first shrinkage opening 13 and the second shrinkage opening 14, but also through the reserved notch 4. The connecting female component 100 obtains a larger shrinkage space through the reserved notch 4, thereby making the elastic shrinkage capacity of the connecting female component 100 stronger, which makes the connecting female component 100 easier to install.

[0091] Please see Figures 4 to 5 This application also proposes a connection structure 200 for connecting a first structural member 300 and a second structural member 400. The connection structure 200 includes two connecting parts as described in the above embodiments and a connecting rod 210. The connecting rod 210 includes a first segment 211 and a second segment 212 connected sequentially along the axial direction of the cylindrical part 1. The first segment 211 is used to screw onto the second structural member 400, and the cylindrical part 1 of the connecting female member 100 is sleeved on the second segment 212.

[0092] The connecting structure 200 is screwed to the second structural member 400 via a connecting rod 210 and connected to the first structural member 300 via a connecting nut 100. The connecting nut 100 is sleeved on the connecting rod 210, thereby connecting the first structural member 300 and the second structural member 400. In practical applications, a flange can be provided at one end of the connecting rod 210 near the second segment 212, with the radial dimension of the flange being larger than the inner diameter of the connecting nut 100. This prevents the connecting nut 100 from detaching from the connecting rod 210, thereby increasing the stability of the connection between the first structural member 300 and the second structural member 400. The connecting structure 200 proposed in this application is simpler in structure than existing technologies, easier to install, and highly stable.

[0093] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0094] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A connecting female component for connecting a first structural component, characterized in that, The connecting female component includes: A cylindrical portion having a first end and a second end disposed opposite to each other along the axial direction of the cylindrical portion; a first contraction opening is provided through the first end of the cylindrical portion radially, and a second contraction opening is provided through the second end of the cylindrical portion radially, wherein the sum of the lengths of the first contraction opening and the second contraction opening is greater than or equal to the length of the cylindrical portion along the axial direction of the cylindrical portion, and the cylindrical portion has a contraction space in the radial direction of the cylindrical portion; and A connecting portion is provided on the outer periphery of the cylindrical portion, and the connecting portion is used to connect and cooperate with the first structural member when the connecting female member is inserted into the first structural member; The first structural member has a mounting hole for inserting the connecting female member, and the cylindrical part can shrink radially when squeezed by the side wall of the mounting hole; The sidewall of the mounting hole is provided with a first tooth; the connecting part includes a second tooth located on the outer periphery of the cylindrical part and corresponding to the first tooth, and the connecting part is connected to the sidewall of the mounting hole of the first structural member by means of the second tooth and the first tooth; The connecting female part is sleeved on the connecting rod.

2. The connecting female component according to claim 1, characterized in that, Along the circumferential direction of the cylindrical portion, the width of the first contraction opening is greater than the width of the second contraction opening.

3. The connecting female component according to claim 1, characterized in that, The number of the first contraction openings is greater than the number of the second contraction openings.

4. The connecting female component according to claim 1, characterized in that, Each of the second teeth has a pointing plane facing away from the first end of the cylindrical portion; wherein: Each of the aforementioned pointing planes extends radially along the cylindrical portion; or, Each of the aforementioned pointing planes extends obliquely toward the first end, and the angle between each of the aforementioned pointing planes and the radial direction of the cylindrical portion is α, where 0° < α ≤ 10°; or, Each of the pointing planes extends obliquely toward the second end, and the angle between each of the pointing planes and the radial direction of the cylindrical portion is b, where 0° < b ≤ 30°.

5. The connecting female component according to claim 1, characterized in that, The second tooth is configured as a threaded tooth or a ring tooth.

6. The connecting female component according to claim 1, characterized in that, The outer diameter of the cylindrical section gradually increases from the second end to the first end.

7. The connecting female component according to claim 1, characterized in that, The cylindrical section is constructed as a corrugated spring.

8. The connecting female component according to claim 7, characterized in that, The crests and troughs of the corrugated spring are alternately connected in a ring structure along the circumference of the mounting hole; or The crests and troughs of the corrugated spring are alternately connected in a ring structure along the axial direction of the mounting hole.

9. The connecting female component according to claim 8, characterized in that, The wall thickness of the cylindrical section gradually decreases from the second end to the first end.

10. The connecting female component according to claim 1, characterized in that, The connecting female component is provided with a reserved notch, which is provided through the connecting female component along the axial direction and the radial direction respectively.

11. The connecting female component according to claim 1, characterized in that, The connecting female component is capable of elastic contraction at any point along the axial direction of the connecting female component.

12. A connecting structure for connecting a first structural member and a second structural member, characterized in that, The connection structure includes: The connecting female component as described in any one of claims 1 to 11; and The connecting rod includes a first section and a second section connected sequentially along the axial direction of the cylindrical part. The first section is used to be screwed to the second structural member. The cylindrical part of the connecting female member is sleeved on the second section.