A multifunctional fastener

Abstract

The present invention belongs to the technical field of fasteners, and specifically is a multifunctional fastener, including a support member, which is arranged in an L shape; the support member is symmetrically inserted with a pair of first bolts based on the corner, the end of the first bolt is meshed and connected with a first nut, and a main pad is sleeved on the surface of the first bolt and on one side of the first nut; the multifunctional fastener described in the present invention, by setting a fastening plate, when in use, first connects the two sides of the support member with the aluminum sheet to be assembled, then passes the first bolt through the support member and the connected aluminum sheet, cooperates with the first nut and the main pad to fix the aluminum sheet and the support member, and then drives the fastening plate to press against the surface of the aluminum sheet through the second bolt and the second nut, so that the fastening plate cooperates with the fixing plate to clamp and limit the end of the aluminum sheet, thereby improving the fastening effect of the fastener on the aluminum sheet.

Description

Technical Field

[0001] The invention belongs to the technical field of fasteners, in particular to a multifunctional fastener. Background Art

[0002] Fasteners are also called standard parts in the market. They are mechanical components that can mechanically fix or bond two or more components together. They are characterized by a wide variety of specifications, different performances and uses, and a high degree of standardization, serialization, and generalization. For example, when assembling aluminum sheet metal, special fasteners are required to fix them.

[0003] The existing Chinese patent with publication number CN213628320U discloses an inner corner fastener for fixing profiles, including a supporting part, a structural reinforcement part, and a plate mounting part connecting the supporting part and the structural reinforcement part; the supporting part is provided with an end through hole and a fitting surface, the fitting surface is provided with a positioning protrusion with a predetermined outer contour size, and the structural reinforcement part is provided with a bolt hole deviating from the rotation center point of the structural reinforcement part. Compared with the previous technology, the structure of the present application is scientific and reasonable, can achieve multi-functional use, and is low-cost and easy to implement. The specific characteristics are: 1. A structure for pre-positioning of profiles is provided, and the position of the profiles is not easy to move during the installation process. After tightening, the two profiles are in the same plane; 2. It has the purpose of simultaneous installation of profiles and plates, and can simultaneously meet the requirements of profile tightening and plate assembly and disassembly; 3. The utility model can install plates of different thicknesses according to the use occasion, and has a wide range of use and is flexible; 4. The plate is easy to disassemble, saving time and effort;

[0004] The above patent sets a support part, a structural reinforcement part, and connects the support part and the structural reinforcement part; it realizes that the position of the profile is not easy to move during the installation process, and the two profiles are in the same plane after tightening; it has the purpose of simultaneous installation of profiles and plates, and can simultaneously meet the effects of profile tightening and plate assembly and disassembly; however, when actually assembling and tightening the aluminum sheet metal, the tightening effect when fixing the support part with bolts needs to be further strengthened.

[0005] To this end, the present invention provides a multifunctional fastener. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve the technical problem is as follows: a multifunctional fastener of the present invention comprises a support member, the support member is arranged in an L shape; a pair of first bolts are symmetrically inserted into the support member based on the corner, the ends of the first bolts are meshed and connected with first nuts, and a main pad is sleeved on the surface of the first bolt and on one side of the first nut;

[0008] A pair of fixing plates are symmetrically arranged on the side of the support member based on the corner, a receiving plate is arranged at the end of the fixing plate away from the support member, a fastening plate is slidably connected to the side of the receiving plate, a second bolt is penetrated through the side of the fastening plate, an end of the second bolt penetrates the fixing plate, and the end of the second bolt is meshingly connected with a second nut.

[0009] Preferably, the fixing plate comprises a first plate and a second plate; one end of the first plate is connected to the side of the support member, and the other end is provided with a pair of docking grooves; a side of the second plate facing the first plate is provided with a pair of docking posts adapted to the docking grooves, and the docking posts are inserted into the docking grooves; the end of the second plate away from the first plate is connected to the receiving plate;

[0010] A first fixing plate is disposed on the side surface of the first plate; a second fixing plate is disposed on the side surface of the second plate, and fastening bolts are disposed between the first fixing plate and the second fixing plate.

[0011] Preferably, a socket sleeve is sleeved on the surface of the second bolt, and the surface of the socket sleeve is a rectangular structure.

[0012] Preferably, a reserved groove adapted to the receiving sleeve is provided on a side of the second plate facing the receiving sleeve, and an end portion of the receiving sleeve can be inserted into the reserved groove.

[0013] Preferably, an annular groove is provided on the side of the first nut, a collar is sleeved inside the annular groove, a positioning column is inserted through the side of the collar, and a positioning groove is provided on the side of the first bolt, and the positioning column and the positioning groove are adapted in size.

[0014] Preferably, the collar is sleeved on the inner wall of the annular groove and is rotatably connected to the inner wall of the annular groove.

[0015] Preferably, a brake block is sleeved on the end of the positioning column outside the collar, and there is extrusion friction between the side surface of the brake block and the inner wall of the annular groove.

[0016] Preferably, a pull rope is provided at the end of the positioning column outside the ring, and a pull ring is provided at the end of the pull rope away from the positioning column.

[0017] Preferably, the positioning column is made of the same material as the first bolt.

[0018] Preferably, a plurality of mounting grooves are evenly opened on the side of the main pad, an extension plate is provided on the side of the main pad, and mounting columns adapted to the mounting grooves are provided on the side of the extension plate; when the extension plate is installed on the main pad, the mounting columns are inserted into the mounting grooves.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. The multifunctional fastener described in the present invention is provided with a fastening plate. When in use, the two sides of the support member are first connected with the aluminum sheet member to be assembled, and then the first bolt is passed through the support member and the connected aluminum sheet member, and the aluminum sheet member and the support member are fixed in cooperation with the first nut and the main pad. Then, the fastening plate is driven and pressed against the surface of the aluminum sheet member by the second bolt and the second nut, so that the fastening plate cooperates with the fixing plate to clamp and limit the end of the aluminum sheet member, thereby improving the fastening effect of the fastener on the aluminum sheet member.

[0021] 2. The multifunctional fastener described in the present invention is provided with an extension plate. When in use, the extension plate is installed on the side of the main pad through the installation column and the installation groove, thereby increasing the pressure area of ​​the main pad on the aluminum sheet, which can prevent the aluminum sheet from being deformed by the pressure of the main pad. It should be pointed out that the size of the extension plate can be adjusted according to the suitability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Figure 1 is a stereogram of the present invention;

[0024] Figure 2 It is a side schematic diagram of the present invention;

[0025] Figure 3 is a schematic diagram of a fixed plate of the present invention;

[0026] Figure 4 is a schematic diagram of a first fixing plate of the present invention;

[0027] Figure 5 is a schematic diagram of the second fixing plate connection structure of the present invention;

[0028] Figure 6 is a schematic diagram of the second plate connection structure of the present invention;

[0029] Figure 7 It is a schematic diagram of the receiving sleeve of the present invention;

[0030] Figure 8 is a schematic diagram of a first nut connection structure of the present invention;

[0031] Fig. 9 is a schematic diagram of a first bolt of the present invention;

[0032] Fig.10 It is a schematic diagram of the main pad connection structure of the present invention;

[0033] Fig.11 is a schematic diagram of a first nut of the present invention;

[0034] Fig.12 is a schematic diagram of a collar of the present invention;

[0035] Fig.13 It is a schematic diagram of the connection structure of the positioning column of the present invention;

[0036] Fig.14 It is a schematic diagram of an extension plate of the present invention.

[0037] In the figure: 1. support member; 11. first bolt; 111. positioning groove; 12. first nut; 121. annular groove; 122. collar; 123. positioning column; 124. brake block; 125. pull rope; 126. pull ring; 13. main pad; 131. installation groove; 132. extension plate; 133. installation column; 2. fixing plate; 20. docking groove; 21. first plate; 211. first fixing plate; 22. second plate; 221. second fixing plate; 23. fastening bolt; 24. docking column; 25. reserved groove; 3. receiving plate; 4. fastening plate; 41. second bolt; 411. second nut; 42. receiving sleeve. DETAILED DESCRIPTION

[0038] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0039] like Figures 1 to 7 As shown, a multifunctional fastener according to an embodiment of the present invention comprises a support member 1, which is arranged in an L shape; a pair of first bolts 11 are symmetrically inserted at the corners of the support member 1, a first nut 12 is meshedly connected to the end of the first bolt 11, and a main pad 13 is sleeved on the surface of the first bolt 11 and located on one side of the first nut 12;

[0040] A pair of fixing plates 2 are symmetrically arranged on the side of the support member 1 at the corners, a receiving plate 3 is arranged at the end of the fixing plate 2 away from the support member 1, a fastening plate 4 is slidably connected to the side of the receiving plate 3, a second bolt 41 is penetrated on the side of the fastening plate 4, the end of the second bolt 41 penetrates the fixing plate 2, and the end of the second bolt 41 is meshedly connected with a second nut 411;

[0041] When actually assembling and fastening the aluminum sheet parts, the fastening effect when fixing the support part by bolts needs to be further strengthened; to solve the above problems, the embodiment of the present invention provides a fixing plate 2. When in use, the two sides of the support part 1 are first connected with the aluminum sheet parts to be assembled, and then the first bolt 11 is passed through the support part 1 and the connected aluminum sheet parts, and the aluminum sheet parts and the support part 1 are fixed in cooperation with the first nut 12 and the main pad 13. Then, the fastening plate 4 is driven and pressed against the surface of the aluminum sheet parts by the second bolt 41 and the second nut 411, so that the fastening plate 4 cooperates with the fixing plate 2 to clamp and limit the end of the aluminum sheet parts, thereby improving the fastening effect of the fastener on the aluminum sheet parts.

[0042] The fixed plate 2 includes a first plate 21 and a second plate 22; one end of the first plate 21 is connected to the side of the support member 1, and the other end is provided with a pair of docking grooves 20; the second plate 22 is provided with a pair of docking posts 24 adapted to the docking grooves 20 on the side facing the first plate 21, and the docking posts 24 are inserted into the docking grooves 20; the end of the second plate 22 away from the first plate 21 is connected to the receiving plate 3;

[0043] A first fixing plate 211 is provided on the side of the first plate 21; a second fixing plate 221 is provided on the side of the second plate 22, and a fastening bolt 23 is provided between the first fixing plate 211 and the second fixing plate 221; when the installation position of the support member 1 deviates from the required position, the distance between the first plate 21 and the second plate 22 is controlled, and the distance between the first plate 21 and the second plate 22 is fixed by the first fixing plate 211 and the second fixing plate 221 and the fastening bolt 23; the connection with the docking groove 20 is maintained by the docking column 24; so that the overall position of the fixed plate 2 is adjusted, thereby improving the flexibility of the use process.

[0044] The surface of the second bolt 41 is sleeved with a socket sleeve 42, and the surface of the socket sleeve 42 is a rectangular structure; by sleeved with the socket sleeve 42 on the surface of the second bolt 41, the socket sleeve 42 blocks the second bolt 41 and the end of the aluminum sheet metal, thereby preventing the second bolt 41 from directly being squeezed and contacting the end of the aluminum sheet metal and causing damage to the aluminum sheet metal.

[0045] A reserved groove 25 adapted to the receiving sleeve 42 is provided on the side of the second plate 22 facing the receiving sleeve 42, and the end of the receiving sleeve 42 can be inserted into the reserved groove 25; interference obstruction between the receiving sleeve 42 and the fixed plate 2 is avoided when tightening the second bolt 41, thereby ensuring smooth use.

[0046] like Figures 8 to 14 As shown, an annular groove 121 is provided on the side of the first nut 12, a ring 122 is sleeved inside the annular groove 121, a positioning column 123 is inserted through the side of the ring 122, and a positioning groove 111 is provided on the side of the first bolt 11, and the size of the positioning column 123 is adapted to the positioning groove 111; after the aluminum sheet is tightened, the positioning column 123 is passed through the ring 122, and then the end is inserted into the positioning groove 111, so as to connect and fix the first bolt 11 and the first nut 12, limit the looseness between the first bolt 11 and the first nut 12, and optimize the tightening effect between the first bolt 11 and the first nut 12.

[0047] The collar 122 is sleeved on the inner wall of the annular groove 121 and is rotatably connected to the inner wall of the annular groove 121 , ensuring that the positioning column 123 can be accurately inserted into the positioning groove 111 .

[0048] The end of the positioning column 123 outside the ring 122 is sleeved with a brake block 124, and there is a squeezing friction between the side of the brake block 124 and the inner wall of the annular groove 121; when the positioning column 123 is inserted into the positioning groove 111, there is a friction between the brake block 124 and the inner wall of the annular groove 121, which fixes the position of the positioning column 123 to prevent it from falling off during use.

[0049] A pull rope 125 is provided at the end of the positioning column 123 outside the ring 122, and a pull ring 126 is provided at the end of the pull rope 125 away from the positioning column 123; when pulling out the positioning column 123, the staff pulls out the positioning column 123 through the pull ring 126 and the pull rope 125 to prevent disassembly operation.

[0050] The material of the positioning column 123 is the same as that of the first bolt 11 , which ensures the strength of the positioning column 123 and avoids deformation during use.

[0051] A plurality of mounting grooves 131 are evenly arranged on the side of the main pad 13, an extension plate 132 is arranged on the side of the main pad 13, and a mounting column 133 adapted to the mounting groove 131 is arranged on the side of the extension plate 132; when the extension plate 132 is installed on the main pad 13, the mounting column 133 is inserted into the mounting groove 131; when in use, the extension plate 132 is installed on the side of the main pad 13 through the mounting column 133 and the mounting groove 131, thereby increasing the pressing area of ​​the main pad 13 on the aluminum sheet, which can prevent the aluminum sheet from being deformed by the pressing of the main pad 13; it should be pointed out that the size of the extension plate 132 can be adjusted according to the adaptability.

[0052] During operation, firstly connect the two sides of the support member 1 with the aluminum sheet to be assembled, then pass the first bolt 11 through the support member 1 and the connected aluminum sheet, cooperate with the first nut 12 and the main pad 13 to fix the aluminum sheet and the support member 1, then drive the fastening plate 4 to press against the surface of the aluminum sheet through the second bolt 41 and the second nut 411, so that the fastening plate 4 cooperates with the fixing plate 2 to clamp and limit the end of the aluminum sheet, thereby improving the fastening effect of the fastener on the aluminum sheet; wherein when the installation position of the support member 1 deviates from the required position, control the distance between the first plate 21 and the second plate 22, and fix the distance between the first plate 21 and the second plate 22 through the first fixing plate 211 and the second fixing plate 221 and the fastening bolt 23; maintain connection with the docking groove 20 through the docking column 24; The overall position of the fixed plate 2 is adjusted to improve the flexibility of the use process; the receiving sleeve 42 is sleeved on the surface of the second bolt 41, and the receiving sleeve 42 is blocked between the second bolt 41 and the end of the aluminum sheet, so as to prevent the second bolt 41 from directly extruding and contacting with the end of the aluminum sheet and causing damage to the aluminum sheet; after the aluminum sheet is tightened, the positioning column 123 passes through the ring 122, and then the end is inserted into the positioning groove 111, so as to connect and fix the first bolt 11 and the first nut 12, limit the looseness between the first bolt 11 and the first nut 12, and optimize the tightening effect between the first bolt 11 and the first nut 12; the ring 122 is sleeved on the inner wall of the annular groove 121 and is rotatably connected with the inner wall of the annular groove 121; ensure that the positioning column 123 can be accurately inserted into the positioning groove 111.

[0053] When the positioning column 123 is inserted into the positioning groove 111, there is friction between the brake block 124 and the inner wall of the annular groove 121, which fixes the position of the positioning column 123 to prevent it from falling off during use; when pulling out the positioning column 123, the staff pulls out the positioning column 123 through the pull ring 126 and the pull rope 125 to prevent disassembly operation; the positioning column 123 is made of the same material as the first bolt 11; the strength of the positioning column 123 is ensured to avoid deformation during use; when in use, the extension plate 132 is installed on the side of the main pad 13 through the mounting column 133 and the mounting groove 131, thereby increasing the pressing area of ​​the main pad 13 on the aluminum sheet, which can prevent the aluminum sheet from being deformed by the main pad 13; it should be pointed out that the size of the extension plate 132 can be adjusted according to applicability.

[0054] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A multifunctional fastener, characterized in that: The invention comprises a support member (1), wherein the support member (1) is arranged in an L shape; a pair of first bolts (11) are symmetrically inserted into the support member (1) based on the corners; the ends of the first bolts (11) are meshedly connected with first nuts (12); and a main pad (13) is sleeved on the surface of the first bolts (11) and located on one side of the first nut (12); A pair of fixing plates (2) are symmetrically arranged at the corners of the side of the support member (1); a receiving plate (3) is arranged at the end of the fixing plate (2) away from the support member (1); a fastening plate (4) is slidably connected to the side of the receiving plate (3); a second bolt (41) is penetrated through the side of the fastening plate (4); the end of the second bolt (41) penetrates the fixing plate (2); and the end of the second bolt (41) is meshedly connected to a second nut (411); The fixing plate (2) comprises a first plate (21) and a second plate (22); one end of the first plate (21) is connected to the side of the support member (1), and the other end is provided with a pair of docking grooves (20); a side of the second plate (22) facing the first plate (21) is provided with a pair of docking posts (24) adapted to the docking grooves (20), and the docking posts (24) are inserted into the docking grooves (20); an end of the second plate (22) away from the first plate (21) is connected to the receiving plate (3); A first fixing plate (211) is provided on the side of the first plate (21); a second fixing plate (221) is provided on the side of the second plate (22); and a fastening bolt (23) is provided between the first fixing plate (211) and the second fixing plate (221); A receiving sleeve (42) is sleeved on the surface of the second bolt (41), and the surface of the receiving sleeve (42) is in a rectangular structure; A reserved groove (25) adapted to the receiving sleeve (42) is provided on a side of the second plate (22) facing the receiving sleeve (42), and an end of the receiving sleeve (42) can be inserted into the reserved groove (25).

2. A multifunctional fastener according to claim 1, characterized in that: An annular groove (121) is provided on the side of the first nut (12), a collar (122) is sleeved inside the annular groove (121), a positioning column (123) is inserted through the side of the collar (122), and a positioning groove (111) is provided on the side of the first bolt (11), and the positioning column (123) and the positioning groove (111) are adapted in size.

3. A multifunctional fastener according to claim 2, characterized in that: The sleeve ring (122) is sleeved on the inner wall of the annular groove (121) and is rotatably connected to the inner wall of the annular groove (121).

4. A multifunctional fastener according to claim 3, characterized in that: The end of the positioning column (123) located outside the collar (122) is sleeved with a brake block (124), and there is a squeezing friction force between the side surface of the brake block (124) and the inner wall of the annular groove (121).

5. A multifunctional fastener according to claim 4, characterized in that: A pull rope (125) is provided at the end of the positioning column (123) outside the collar (122), and a pull ring (126) is provided at the end of the pull rope (125) away from the positioning column (123).

6. A multifunctional fastener according to claim 5, characterized in that: The material used to make the positioning column (123) is the same as the material used to make the first bolt (11).

7. A multifunctional fastener according to claim 1, characterized in that: A plurality of mounting grooves (131) are evenly formed on the side of the main pad (13), an extension plate (132) is provided on the side of the main pad (13), and mounting columns (133) adapted to the mounting grooves (131) are provided on the side of the extension plate (132); when the extension plate (132) is mounted on the main pad (13), the mounting columns (133) are inserted into the mounting grooves (131).

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