Fastening assembly capable of achieving double-face fastening

Abstract

The utility model relates to the technical field of fasteners, and discloses a fastening assembly capable of achieving double-face fastening. The fastening assembly capable of achieving double-face fastening comprises a limiting block, a stud is installed in the center of the limiting block in a penetrating and inserting mode, a chain wheel is installed on the limiting block in an embedded mode, a nut is installed at the upper end of the stud in a penetrating and inserting mode, a gasket is movably installed below the limiting block, and a rubber pad is fixedly installed below the gasket. A limiting column is fixedly installed above the rubber pad, a connecting block is fixedly installed above the limiting block, the rubber pad is fixedly installed below the gasket, meanwhile, the limiting column is fixed to the top face of the rubber pad in a crossed mode with the center of the rubber pad as the reference at an equal 90-degree angle, and the limiting column penetrates through the gasket. After the nut is screwed down, the rubber pad can be located between the gasket and the object to be fastened, meanwhile, the limiting column can make contact with the limiting block, and in this way, the surface of the object to be fastened can be prevented from being abraded in the fastening process during fastening.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to a fastening assembly capable of double-sided fastening. Background Art

[0002] The general term for a type of mechanical parts used to fasten two or more parts (or components) into a whole. It is a type of mechanical parts used for fastening and connection and is extremely widely used. Fasteners are used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, hydraulics, etc.

[0003] The existing Chinese utility model patent with reference announcement number: CN214404283U discloses a fastening assembly with detachable ends, which includes a positioning screw, the positioning screw passes through the tower plate and a support plate installed in the plate tower for fastening the tower plate, and the two ends of the positioning screw are respectively connected with fastening units, and the tower plate and the support plate are clamped between the two sets of fastening units. The fastening unit includes a fastening nut and a tightening block, and the two ends of the positioning screw are respectively coaxially connected with a support screw, the diameter of the support screw is smaller than the diameter of the positioning screw, and the thread rotation direction of the support screw is opposite to that of the positioning screw. The fastening nut is threadedly connected to the positioning screw, and the tightening block is threadedly connected to the support screw, and the tightening block is tightened against the fastening nut, and a receiving groove for accommodating the positioning screw is opened on the tightening block. The present application has the effect of improving the fastening degree of the tower plate.

[0004] Existing fastening assemblies generally clamp the fastened object by applying pressure to the assembly through bolts. During use, the bolts of the existing fastening assemblies may loosen, affecting the fastening effect. At the same time, since the bolts apply stress to the fastened object, the surface of the fastened object may be worn when the bolts and nuts are turned. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a fastening assembly that can be fastened on both sides, which has the advantages of preventing bolts from loosening and avoiding wear on objects, thereby solving the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a fastening assembly that can be fastened on both sides, comprising: a limit block, a stud is inserted and installed in the center of the limit block, a toothed disc is embedded and installed above the limit block, a nut is inserted and installed on the upper end of the stud, a gasket is movably installed below the limit block, a rubber pad is fixedly installed below the gasket, a limit column is fixedly installed above the rubber pad, a connecting block is fixedly installed above the limit block, a magnet is embedded and installed above the connecting block, a connecting column is inserted and installed on the left side of the connecting block, a spring is inserted and installed on the outer side of the connecting column, a limit tooth is fixedly installed on the end of the connecting column, and a ratchet is fixedly installed on the lower end of the nut; the stud can facilitate the nuts at both ends to apply forces in opposite directions to the limit blocks on both sides.

[0009] As a preferred technical solution of the utility model, the limit block is installed on the upper and lower sides of the stud in a mirror-symmetrical manner with the center of the stud as a reference, and a cylindrical opening that engages with the stud is provided at the center of the limit block, and a sliding connection is formed between the stud and the limit block; the limit block can limit the position of the chainring.

[0010] As a preferred technical solution of the utility model, the top of the limit block is provided with a recessed structure that engages with the chainring, the bottom surface of the chainring is provided with small teeth and the top surface is provided with large teeth, the chainrings are grouped in two, and are installed between the limit block and the nut in mirror symmetry in the upper and lower directions; the chainring can increase the relative friction between the nut and the limit block.

[0011] As a preferred technical solution of the utility model, the limit column is fixed to the top surface of the rubber pad in a "cross" shape at a 90-degree angle with the center of the rubber pad as a reference, and the limit column passes through the gasket; the limit column can prevent the rubber pad from moving.

[0012] As the preferred technical solution of the utility model, the connecting block is symmetrically installed on the left and right sides of the top surface of the limiting block with the center of the limiting block as the reference, and a sliding connection is formed between the connecting column and the connecting block; the connecting block can limit the position of the connecting column.

[0013] As a preferred technical solution of the utility model, a magnet is also embedded and installed above the limit tooth, and a sliding connection is formed between the limit tooth and the connecting block; the limit tooth can limit the angle of the ratchet.

[0014] As a preferred technical solution of the utility model, the ratchet is fixedly mounted on the outer side of the bottom end of the nut, and the ratchet is engaged with the tooth shape of the limiting tooth; the ratchet can limit the rotation angle of the nut.

[0015] Compared with the prior art, the utility model provides a fastening assembly capable of double-sided fastening, which has the following beneficial effects:

[0016] The cam is provided with a plurality of teeth on the top of the toothed disc, and the plurality of teeth on the top of the toothed disc are provided with a plurality of teeth on the bottom ...

[0017] 2. The utility model sets a rubber pad, which is fixedly installed under the gasket. At the same time, the limit column is fixed to the top surface of the rubber pad in a "cross" shape at a 90-degree angle based on the center of the rubber pad, and the limit column penetrates the gasket. After the nut is tightened, the rubber pad will be located between the gasket and the fastened object, and the limit column will also contact the limit block. This method can avoid wear on the surface of the fastened object during the confinement process when tightening. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the stud installation structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the limit tooth structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the limit tooth and the ratchet wheel of the utility model;

[0022] Among them: 1. limit block; 11. stud; 12. chainring; 13. nut; 14. gasket; 15. rubber pad; 16. limit column; 17. connecting block; 18. magnet; 19. connecting column; 110. spring; 111. limit tooth; 112. ratchet. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 - Figure 4 In this embodiment, a fastening assembly that can be fastened on both sides includes: a limit block 1, a stud 11 is inserted and installed in the center of the limit block 1, a toothed disc 12 is embedded and installed above the limit block 1, a nut 13 is inserted and installed on the upper end of the stud 11, a gasket 14 is movably installed below the limit block 1, a rubber pad 15 is fixedly installed below the gasket 14, a limit column 16 is fixedly installed above the rubber pad 15, a connecting block 17 is fixedly installed above the limit block 1, a magnet 18 is embedded and installed above the connecting block 17, a connecting column 19 is inserted and installed on the left side of the connecting block 17, a spring 110 is inserted and installed on the outer side of the connecting column 19, a limit tooth 111 is fixedly installed on the end of the connecting column 19, and a ratchet 112 is fixedly installed on the lower end of the nut 13.

[0027] The limit block 1 is installed on the upper and lower sides of the stud 11 in a mirror-symmetrical manner with the center of the stud 11 as a reference. A cylindrical opening that fits with the stud 11 is provided in the center of the limit block 1, and a sliding connection is formed between the stud 11 and the limit block 1.

[0028] The top of the limit block 1 is provided with a recessed structure that engages with the toothed disc 12. The bottom surface of the toothed disc 12 is provided with small teeth and the top surface is provided with large teeth. Two toothed discs 12 form a group and are installed between the limit block 1 and the nut 13 in mirror symmetry.

[0029] The limiting column 16 is fixed to the top surface of the rubber pad 15 in a "cross" shape at a 90-degree angle with the center of the rubber pad 15 as a reference, and the limiting column 16 passes through the gasket 14 .

[0030] The connection block 17 is symmetrically installed on the left and right sides of the top surface of the limit block 1 with the center of the limit block 1 as a reference, and a sliding connection is formed between the connection column 19 and the connection block 17 .

[0031] A magnet 18 is also mounted on the upper side of the limiting tooth 111 , and a sliding connection is formed between the limiting tooth 111 and the connecting block 17 .

[0032] The ratchet 112 is fixedly mounted on the outer side of the bottom end of the nut 13 , and the ratchet 112 is engaged with the tooth shape of the limiting tooth 111 .

[0033] Specifically, the limit block 1 can limit the position of the chainring 12, the stud 11 can facilitate the nuts 13 at both ends to apply forces in opposite directions to the limit blocks 1 on both sides, the chainring 12 can increase the relative friction between the nut 13 and the limit block 1, the nut 13 can limit the distance between the limit blocks 1, the gasket 14 can limit the position of the rubber pad 15, the rubber pad 15 can protect the surface of the fastened object, the limit column 16 can prevent the rubber pad 15 from moving, the connecting block 17 can limit the position of the connecting column 19, the magnet 18 can facilitate limiting the position of the limit tooth 111, the spring 110 can facilitate the resetting of the limit tooth 111, the limit tooth 111 can limit the angle of the ratchet 112, and the ratchet 112 can limit the rotation angle of the nut 13.

[0034] When in use, the top of the limit block 1 is provided with a recessed structure that engages with the toothed disc 12, the bottom surface of the toothed disc 12 is provided with small teeth, and the top surface is provided with large teeth. The toothed discs 12 are grouped together and are installed between the limit block 1 and the nut 13 in mirror symmetry. During the tightening of the nut 13, the large teeth between the toothed discs 12 engage with each other, and the small teeth contact the nut 13 and the limit block 1 respectively. The relative friction between the nut 13 and the limit block 1 is increased by the small teeth of the toothed disc 12. At the same time, the toothed structure of the ratchet 112 on the outer side of the bottom end of the nut 13 engages with the limiting teeth 111. During the tightening of the nut 13, the ratchet 112 will push the limiting teeth 111 into the interior of the connecting block 17 and squeeze the spring 110. The magnet 18 embedded above the limiting teeth 111 will be adsorbed on the magnet 18 on the top of the connecting block 17. The position of the limiting tooth 111 is limited below the nut 13 to facilitate the rotation of the nut 13, and then the connecting column 19 is pushed to prevent the magnets 18 from being adsorbed. The spring 110 will reset the limiting tooth 111 through its own elastic force, so that the limiting tooth 111 is engaged with the ratchet 112 to limit the rotation angle of the nut 13 and prevent the nut 13 from loosening. The rubber pad 15 is fixedly installed below the gasket 14. At the same time, the limiting column 16 is fixed to the top surface of the rubber pad 15 in a "cross" shape at an angle of 90 degrees based on the center of the rubber pad 15, and the limiting column 16 passes through the gasket 14. After the nut 13 is tightened, the rubber pad 15 will be located between the gasket 14 and the object to be fastened. At the same time, the limiting column 16 will also contact the limiting block 1. This method can avoid wear on the surface of the object to be fastened during the fastening process.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fastening assembly capable of double-sided fastening, characterized in that: include: A limit block (1), wherein a stud (11) is inserted and installed at the center of the limit block (1), a toothed disc (12) is embedded and installed above the limit block (1), a nut (13) is inserted and installed at the upper end of the stud (11), a gasket (14) is movably installed below the limit block (1), a rubber pad (15) is fixedly installed below the gasket (14), a limit column (16) is fixedly installed above the rubber pad (15), a connecting block (17) is fixedly installed above the limit block (1), a magnet (18) is embedded and installed above the connecting block (17), a connecting column (19) is inserted and installed on the left side of the connecting block (17), a spring (110) is inserted and installed on the outer side of the connecting column (19), a limit tooth (111) is fixedly installed at the end of the connecting column (19), and a ratchet (112) is fixedly installed at the lower end of the nut (13).

2. A fastening assembly capable of double-sided fastening according to claim 1, characterized in that: The limit block (1) is installed on the upper and lower sides of the stud (11) in a mirror-symmetrical manner with the center of the stud (11) as a reference, and a columnar opening engaged with the stud (11) is provided at the center of the limit block (1), and a sliding connection is formed between the stud (11) and the limit block (1).

3. A fastening assembly capable of double-sided fastening according to claim 1, characterized in that: The top of the limit block (1) is provided with a recessed structure that engages with the toothed disc (12); the bottom surface of the toothed disc (12) is provided with small teeth and the top surface is provided with large teeth; the toothed discs (12) are grouped in two and are installed between the limit block (1) and the nut (13) in a mirror-symmetrical manner.

4. The fastening assembly capable of double-sided fastening according to claim 1, characterized in that: The limiting column (16) is fixed to the top surface of the rubber pad (15) in a "cross" shape at a 90-degree angle with the center of the rubber pad (15) as a reference, and the limiting column (16) passes through the gasket (14).

5. The fastening assembly capable of double-sided fastening according to claim 1, characterized in that: The connecting block (17) is symmetrically mounted on the left and right sides of the top surface of the limiting block (1) with the center of the limiting block (1) as a reference, and a sliding connection is formed between the connecting column (19) and the connecting block (17).

6. The fastening assembly capable of double-sided fastening according to claim 1, characterized in that: A magnet (18) is also embedded and installed above the limiting tooth (111), and a sliding connection is formed between the limiting tooth (111) and the connecting block (17).

7. The fastening assembly capable of double-sided fastening according to claim 1, characterized in that: The ratchet (112) is fixedly mounted on the outer side of the bottom end of the nut (13), and the ratchet (112) is engaged with the tooth shape of the limiting tooth (111).

Images