Correlation type double-side fastener

Abstract

The utility model relates to the technical field of mechanical fasteners, in particular to a correlation type double-side fastener. According to the technical scheme adopted by the utility model, the device comprises a cylindrical main body fastening connecting column, a cylindrical handheld fastening stabilizing column which is integrally formed and has the same central axis is arranged on the right side end face of the main body fastening connecting column, and handheld anti-skid matching grooves which are circumferentially and uniformly distributed and have arc-shaped sections are formed in the outer side of the handheld fastening stabilizing column; a cylindrical internal fastening combination hole penetrating through the right side of the whole is formed in the center of the left side end face of the main body fastening connecting column, and fastening combination threaded grooves are formed in the inner cylindrical face of the internal fastening combination hole and the outer cylindrical face of the main body fastening connecting column. The utility model has the advantages that the positioning groove and the positioning boss which are combined and matched with each other are arranged and can be matched with structures on mechanical parts in a staggered and associated manner, and then the fastening connection is carried out through the threads on the outer side, so that the overall matching strength of the fastening position is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical fasteners, in particular to an associated double-sided fastener. Background Art

[0002] When installing and fastening mechanical components, for some fastening positions with relatively small space, the fastening operation between components is relatively difficult. The existing fastening bolts can only be fastened through the external thread grooves during fastening cooperation, and the correlation with other structural components is relatively poor. The combined stability during later use is relatively poor, and it cannot meet the cooperation strength requirements for multi-combination fastening in small spaces. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an associated double-sided fastener. Through the arrangement of two sets of mutually cooperating positioning grooves and positioning boss structures on its main body structure, it can be interlaced and associated with the structures on mechanical components, and then fastened and connected through the external thread, effectively ensuring the overall cooperation strength of the fastening position. A sealing structure is arranged at its right side position, which can ensure the sealing performance during cooperation. And in combination with the sealing and anti-loosening stable groove, it can ensure a stronger pressing force on the position of the sealing ring during assembly, has a reliable anti-detachment effect during use, more reliable sealing performance, better combined stability during use, a wider application range, and can meet the fastening and installation cooperation requirements of various mechanical components.

[0004] The technical solution of the utility model is as follows:

[0005] An associated double-sided fastener, characterized in that: it includes a cylindrical main body fastening connection column, on the right end face of the main body fastening connection column, there is a cylindrical hand-held fastening stable column integrally formed and having the same central axis. On the outer side of the hand-held fastening stable column, there are hand-held anti-slip cooperation grooves evenly distributed in a circumferential manner and having a circular arc-shaped cross-section. At the center position of the left end face of the main body fastening connection column, there is a cylindrical internal fastening combination hole penetrating through the whole to the right. On the inner cylindrical surface of the internal fastening combination hole and the outer cylindrical surface of the main body fastening connection column, there are fastening combination thread grooves. On the left side of the main body fastening connection column, there are circumferentially distributed first positioning combination grooves penetrating through the inside and outside completely. On the left end face of the main body fastening connection column and at the position between adjacent two of the first positioning combination grooves, there is an integrally formed second positioning combination boss. At the center position of the right end face of the hand-held fastening stable column, there is a cylindrical sealing cooperation safety groove. On the inner end face of the sealing cooperation safety groove, there are sealing and anti-loosening stable grooves communicating with the internal fastening combination hole and evenly distributed in a circumferential manner.

[0006] Further, the diameter of the hand-held fastening stable column is larger than the diameter of the main body fastening connection column.

[0007] Further, the length of the second positioning combined boss is the same as the distance between the inner side of the internal fastening combined hole and the outer side of the main body fastening connection column.

[0008] Further, the cross-section of the sealing and anti-loosening stable groove is an arc-shaped structure.

[0009] Further, the depth of the sealing and anti-loosening stable groove is less than the depth of the sealing and mating safety groove.

[0010] Advantages of the present utility model:

[0011] On the main body structure of the present utility model, by providing two sets of mutually cooperating positioning grooves and positioning boss structures, it can be staggeredly associated and cooperated with the structures on mechanical components, and then tightly connected through the external threads, effectively ensuring the overall cooperation strength of the fastening position. Its right side is provided with a sealing structure, which can ensure the sealing performance during cooperation, and in combination with the sealing and anti-loosening stable groove, it can ensure a stronger pressing force on the position of the sealing ring during assembly, having a reliable anti-detachment effect during use, more reliable sealing performance, better combination stability during use, a wider application range, and being able to meet the fastening and installation cooperation requirements of various mechanical components. Brief Description of the Drawings

[0012] Figure 1 is a three-dimensional structure schematic diagram of the present utility model;

[0013] Figure 2 is a front view schematic diagram of the present utility model;

[0014] Figure 3 is a left side view schematic diagram of the present utility model;

[0015] Figure 4 is a right side view schematic diagram of the present utility model;

[0016] Figure 5 is a top view schematic diagram of the present utility model;

[0017] Figure 6 is a bottom view schematic diagram of the present utility model;

[0018] Figure 7 is a three-dimensional structure schematic diagram of the present utility model in a second direction;

[0019] In the figure: 1, main body fastening connection column; 2, hand-held fastening stable column; 3, hand-held anti-slip mating groove; 4, internal fastening combined hole; 5, first positioning combined groove; 6, second positioning combined boss; 7, sealing and mating safety groove; 8, sealing and anti-loosening stable groove. Detailed Description of the Embodiment

[0020] Such as Figures 1 to 7As shown in the figure, an associated double-sided fastener includes a cylindrical main body fastening connection column 1. On the right end face of the main body fastening connection column 1, there is an integrally formed cylindrical hand-held fastening and stabilizing column 2 with the same central axis, through which hand-held fastening operations can be carried out. On the outer side of the hand-held fastening and stabilizing column 2, there are hand-held anti-slip mating grooves 3 that are evenly distributed in a circular pattern and have an arc-shaped cross-section, ensuring better stability during hand-held operations. At the center position of the left end face of the main body fastening connection column 1, there is a cylindrical internal fastening combination hole 4 that runs through the entire right side. On the inner cylindrical surface of the internal fastening combination hole 4 and the outer cylindrical surface of the main body fastening connection column 1, there are fastening combination thread grooves, which can meet the connection requirements during internal and external fastening fits and can achieve complex fastening installations for double-sided fastening connections. On the left side of the main body fastening connection column 1, there are first positioning combination grooves 5 that are distributed in a circular pattern and penetrate through both the inside and outside. At the position on the left end face of the main body fastening connection column 1 and between adjacent first positioning combination grooves 5, there is an integrally formed second positioning combination boss 6. They can be respectively combined with different mating structures of mechanical components in an alternating manner, can drive the mechanical components to perform fastening fits, have better combination strength, and can meet the fastening fit requirements in the case of a small space. At the center position of the right end face of the hand-held fastening and stabilizing column 2, there is a cylindrical sealing mating safety groove 7. On the inner end face of the sealing mating safety groove 7, there are sealing anti-loosening stabilizing grooves 8 that are communicated with the internal fastening combination hole 4 and are evenly distributed in a circular pattern. When fitting the sealing ring, part of the sealing ring can be pressed into this position after fastening, so as to form a more airtight sealing fit, and the sealing ring can have a reliable anti-loosening effect, and the safety and stability during later use are more reliable. Through the setting of two sets of mutually cooperating positioning groove and positioning boss structures on its main body structure, it can be combined with the structures on mechanical components in an alternating and associated manner, and then fastened and connected through the external thread, effectively ensuring the overall combination strength of the fastening position. Through the setting of a sealing structure on its right side, the sealing performance during fitting can be ensured, and combined with the sealing anti-loosening stabilizing groove, the pressing force on the sealing ring position during assembly can be ensured to be stronger, with a reliable anti-detachment effect during use, more reliable sealing performance, better combination stability during use, a wider application range, and can meet the fastening installation and fitting requirements of various mechanical components.

[0021] Preferably, the diameter of the hand-held fastening and stabilizing column 2 is larger than the diameter of the main body fastening connection column 1, making the size of the hand-held fastening operation position larger and the stability during fastening fit better.

[0022] Preferably, the length of the second positioning combination boss 6 is the same as the distance between the inner side of the internal fastening combination hole 4 and the outer side of the main body fastening connection column 1, making the combination strength higher when performing alternating combinations at this position.

[0023] Preferably, the cross-section of the sealing and anti-loosening stabilizing groove 8 is an arc-shaped structure, which is more convenient for production and processing and has higher production efficiency.

[0024] Preferably, the depth of the sealing and anti-loosening stabilizing groove 8 is less than the depth of the sealing and mating safety groove 7, which has less impact on the strength of the internal structure and can also ensure the sealing stability.

[0025] The above is the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements or substitutions can be made, and these improvements or substitutions should also be regarded as the protection scope of the present invention.

Claims

1. An associative double-sided fastener, characterized in that: The invention comprises a cylindrical main body fastening connection column (1), wherein a cylindrical hand-held fastening stabilizing column (2) which is integrally formed and has the same central axis is provided on the right end surface of the main body fastening connection column (1), and a hand-held anti-slip matching groove (3) which is evenly distributed around the circumference and has a circular arc cross section is provided on the outer side of the hand-held fastening stabilizing column (2), and a cylindrical internal fastening combination hole (4) which passes through the right side of the whole is provided at the center position of the left end surface of the main body fastening connection column (1), and a fastening combination thread groove is provided on the inner cylindrical surface of the internal fastening combination hole (4) and the outer cylindrical surface of the main body fastening connection column (1), The left side of the main body fastening connection column (1) is provided with a first positioning combination groove (5) which is distributed circumferentially and completely penetrates the inside and outside; the left end surface of the main body fastening connection column (1) and located between two adjacent first positioning combination grooves (5) is provided with an integrally formed second positioning combination boss (6); the right end surface of the handheld fastening stabilizing column (2) is provided with a cylindrical sealing matching safety groove (7) at the center position; the inner end surface of the sealing matching safety groove (7) is provided with a sealing anti-loosening stabilizing groove (8) which is in communication with the internal fastening combination hole (4) and is evenly distributed circumferentially.

2. The associative double-sided fastener according to claim 1, characterized in that: The diameter of the handheld fastening stabilizing column (2) is greater than the diameter of the main body fastening connecting column (1).

3. The associative double-sided fastener according to claim 1, characterized in that: The length of the second positioning combination boss (6) is the same as the distance between the inner side surface of the internal fastening combination hole (4) and the outer side surface of the main body fastening connection column (1).

4. The associative double-sided fastener according to claim 1, characterized in that: The cross section of the sealing and anti-loosening stabilizing groove (8) is an arc-shaped structure.

5. The associative double-sided fastener according to claim 1, characterized in that: The depth of the sealing anti-loosening stabilizing groove (8) is less than the depth of the sealing matching safety groove (7).

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