A new type of metal expansion plug leveling connection system

Abstract

The invention relates to the field of building construction technology, and specifically to a novel metal expansion plug leveling connection system, comprising a connecting rod, which is inserted into the interior of a solid wall, one end of the connecting rod is sleeved with an expansion sleeve, one end of the expansion sleeve is threadedly connected with a leveling screw, and the leveling screw passes through a keel; a locking nut is threaded on the surface of the leveling screw, a gasket is slidably connected on the surface of the locking nut, an elastic gasket is arranged between the gasket and the locking nut; a rotating toggle piece is arranged on the surface of the locking nut; the beneficial effect is: the novel metal expansion plug leveling connection system proposed by the invention is provided with a gasket connected with an elastic gasket on the surface of the locking nut, after the locking nut is locked, the gasket tightly squeezes the elastic gasket to avoid loosening of the threaded connection between the locking nut and the leveling screw, and a rotating toggle piece is provided on the surface of the locking nut to facilitate manual rotation of the locking nut to lock it.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a novel metal expansion plug leveling connection system. Background Art

[0002] Prefabricated buildings refer to buildings that transfer a large amount of on-site work in traditional construction methods to factories, where building components and accessories (such as floor slabs, wall panels, stairs, balconies, etc.) are processed and manufactured in the factory, transported to the construction site, and assembled and installed on site through reliable connection methods.

[0003] In the prior art, the process forms of various prefabricated interior parts are becoming more and more diverse. Among them, the prefabricated wall process is a relatively mature and rapid assembly method. The existing wall plastering and leveling process is complicated and involves more wet operations. Dry leveling is more in line with the requirements of green decoration. During the construction process, the frame is connected to the expansion sleeve in the solid wall through a screw rod and then locked and fixed with a nut.

[0004] However, after the traditional nut is tightened, the vibration generated during the construction process can easily cause the threads of the nut and the screw to loosen due to shaking, thereby affecting the firmness of the keel installation. Summary of the invention

[0005] The object of the present invention is to provide a novel metal expansion plug leveling connection system to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: a novel metal expansion plug leveling connection system, comprising a connecting rod, the connecting rod is inserted into the interior of the solid wall, one end of the connecting rod is sleeved with an expansion sleeve, one end of the expansion sleeve is threaded with a leveling screw, and the leveling screw passes through the keel;

[0007] A locking nut is threaded on the surface of the leveling screw, a gasket is slidably connected to the surface of the locking nut, and an elastic gasket is provided between the gasket and the locking nut; and

[0008] The rotating toggle piece is arranged on the surface of the locking nut.

[0009] Preferably, the connecting rod is in a "T"-shaped column structure, and a trapezoidal block is integrally formed at one end of the connecting rod inserted into the solid wall. The pipe opening of the expansion sleeve is in a "convex" shape, and the inner wall of the pipe opening at one end of the expansion sleeve extending out of the solid wall is provided with an internal thread, and the internal thread is connected with the leveling screw.

[0010] Preferably, a slit groove is provided at one end of the expansion sleeve extending into the solid wall, and a plurality of slit grooves are provided. The plurality of slit grooves are arranged and distributed along the arc outer wall of the expansion sleeve, and the locking nut is located between the expansion sleeve and the keel.

[0011] Preferably, a side groove is provided on the surface of the locking nut, the side groove is an annular groove, a gasket is sleeved on the outside of the side groove, the gasket is a hexagonal ring plate structure, and an anti-slip piece is provided between the gasket and the side groove.

[0012] Preferably, the anti-slip component includes a limiting slide groove and a baffle, the limiting slide groove is opened on the surface of the gasket, the baffle is slidably connected in the limiting slide groove, and the baffle is fixed on the surface of the side groove, six groups of baffles are arranged, and the six groups of baffles are respectively fixed on the six side walls of the side groove, and the limiting slide grooves and the baffles correspond one to one.

[0013] Preferably, a rubber gasket is provided on the surface of the locking nut, and the rubber gasket is in a circular plate-like structure. There are multiple rubber gaskets, the multiple rubber gaskets have different sizes, and the multiple rubber gaskets are arranged in a ring shape.

[0014] Preferably, the elastic gasket includes a rubber top support block, a through-hole, a metal spring, an elastic transition plate and an elastic rubber compensation block. The rubber top support block is a square block. The rubber top support blocks are arranged in six groups. The six groups of rubber top support blocks are respectively fixed on the six side plates of the gasket. Each group of rubber top support blocks is provided with two rubber top support blocks. The two rubber top support blocks are symmetrically distributed about the limiting slide groove, and the elastic rubber compensation block is fixed on the surface of the rubber top support block, and the elastic rubber compensation block is connected between the gasket and the side groove.

[0015] Preferably, the through opening is opened on the surface of the rubber top support block, and two groups of metal springs are symmetrically arranged inside the through opening. The metal springs are in the form of an arc-shaped plate structure. Two groups of elastic transition plates are integrally formed on the surface of the metal springs. The elastic transition plates are in the form of an arc-shaped plate structure. The two groups of elastic transition plates are symmetrically distributed about the center of the metal springs, and the long side length of the metal springs is equal to the long side length of the rubber top support block.

[0016] Preferably, the rotating toggle member includes an installation groove, a limiting shaft, a rubber clamp, a pick-up groove and a pick. The installation groove is opened on the side wall of the locking nut. There are six installation grooves, which are respectively distributed on the six side walls of the locking nut. The pick is movably connected in the installation groove.

[0017] Preferably, a through hole is provided on the surface of the paddle, and the limiting shaft is fixed on the surface of the mounting groove after passing through the through hole. The limiting shaft is a "T"-shaped cylindrical structure, and a rubber clamp is provided at one end of the paddle. When the paddle is placed flat inside the mounting groove, the rubber clamp is clamped between the paddle and the mounting groove, and a pick-out groove is provided on one side of the paddle facing the outside of the mounting groove.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The novel metal expansion plug leveling connection system proposed in the present invention has a gasket connected to an elastic gasket installed on the surface of the locking nut. After the locking nut is locked, the gasket tightly squeezes the elastic gasket to prevent the locking nut and the leveling screw from loosening. A rotating toggle piece is installed on the surface of the locking nut to facilitate manual rotation of the locking nut for locking. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the connection structure of the connecting rod and the expansion casing of the present invention;

[0022] Figure 3 This is a schematic diagram of the connection structure between the connecting rod and the solid wall of the present invention;

[0023] Figure 4 This is a schematic diagram of the locking nut structure of the present invention;

[0024] Figure 5 This is a schematic diagram of the installation structure of the plectrum of the present invention;

[0025] Figure 6 It is a schematic diagram of the structure of the rubber jacking block of the present invention.

[0026] In the figure: connecting rod 1, solid wall 2, expansion sleeve 3, fracture groove 4, leveling screw 5, keel 6, locking nut 7, side groove 8, gasket 9, limiting slide groove 10, baffle 11, rubber gasket 12, rubber top support block 13, through-hole 14, metal spring 15, elastic transition piece 16, elastic rubber compensation block 17, installation groove 18, limiting shaft 19, rubber clamp strip 20, pick-up groove 21, and paddle 22. DETAILED DESCRIPTION

[0027] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0031] Embodiment 1

[0032] See also Figures 1 to 3 The present invention provides a technical solution: a novel metal expansion plug leveling connection system, comprising a connecting rod 1, the connecting rod 1 is inserted into the interior of a solid wall 2, one end of the connecting rod 1 is sleeved with an expansion sleeve 3, one end of the expansion sleeve 3 is threadedly connected with a leveling screw 5, and the leveling screw 5 passes through a keel 6; a locking nut 7 is threaded on the surface of the leveling screw 5, a gasket 9 is slidably connected on the surface of the locking nut 7, and an elastic gasket is arranged between the gasket 9 and the locking nut 7; a rotating toggle piece is arranged on the surface of the locking nut 7; a gasket 9 connected to the elastic gasket is installed on the surface of the locking nut 7, after the locking nut 7 is locked, the gasket 9 tightly squeezes the elastic gasket to prevent the locking nut 7 and the leveling screw 5 from loosening at the threaded connection, and a rotating toggle piece is installed on the surface of the locking nut 7 to facilitate manual rotation of the locking nut 7 to lock it.

[0033] Embodiment 2

[0034] On the basis of Example 1, in order to realize the connection between the keel 6 and the solid wall 2, the connecting rod 1 is a "T"-shaped column structure, and the end of the connecting rod 1 inserted into the solid wall 2 is integrally formed with a trapezoidal block, and the pipe mouth of the expansion sleeve 3 is a "convex"-shaped mouth. The inner wall of the pipe mouth of the end of the expansion sleeve 3 extending out of the solid wall 2 is provided with an internal thread, and the internal thread and the leveling screw 5 are connected in cooperation. A slit groove 4 is opened at the end of the expansion sleeve 3 extending into the solid wall 2, and a plurality of slit grooves 4 are provided. The plurality of slit grooves 4 are arranged and distributed along the arc outer wall of the expansion sleeve 3, and the locking nut 7 is located between the expansion sleeve 3 and the keel 6.

[0035] Embodiment 3

[0036] On the basis of the second embodiment, in order to realize the anti-loosening reinforcement of the locking nut 7, a side groove 8 is opened on the surface of the locking nut 7, and the side groove 8 is an annular groove. The gasket 9 is sleeved on the outside of the side groove 8. The gasket 9 is a hexagonal ring plate structure. An anti-slip component is arranged between the gasket 9 and the side groove 8. The anti-slip component includes a limiting slide groove 10 and a baffle 11. The limiting slide groove 10 is opened on the surface of the gasket 9, and the baffle 11 is slidably connected in the limiting slide groove 10, and the baffle 11 is fixed at On the surface of the side groove 8, six groups of baffles 11 are provided, and the six groups of baffles 11 are respectively fixed on the six side walls of the side groove 8, and the limiting slide groove 10 and the baffles 11 correspond one to one. A rubber gasket 12 is provided on the surface of the locking nut 7. The rubber gasket 12 is a circular plate structure. There are multiple rubber gaskets 12. The multiple rubber gaskets 12 have different sizes and are arranged in a ring shape. The elastic gasket includes a rubber top support block 13, a through hole 14, and a metal spring. 15, elastic transition piece 16 and elastic rubber compensation block 17, the rubber top supporting block 13 is a square block, the rubber top supporting block 13 is provided with more than six groups, the six groups of rubber top supporting blocks 13 are respectively fixed on the six side plates of the gasket 9, each group of rubber top supporting blocks 13 is provided with two, the two rubber top supporting blocks 13 are symmetrically distributed about the limiting slide groove 10, and the elastic rubber compensation block 17 is fixed on the surface of the rubber top supporting block 13, and the elastic rubber compensation block 17 is connected between the gasket 9 and the side groove 8, the through-hole 14 is opened on the surface of the rubber top supporting block 13, and two groups of metal springs 15 are symmetrically arranged inside the through-hole 14, the metal springs 15 are in an arc-shaped plate-like structure, and the surface of the metal springs 15 is integrally formed with two groups of elastic transition pieces 16, the elastic transition pieces 16 are in an arc-shaped plate-like structure, and the two groups of elastic transition pieces 16 are symmetrically distributed about the center of the metal springs 15, and the long side length of the metal springs 15 is equal to the long side length of the rubber top supporting block 13.

[0037] Embodiment 4

[0038] On the basis of Example 3, in order to realize the manual rotation of the locking nut 7, the rotating toggle member includes a mounting groove 18, a limiting shaft 19, a rubber clamp 20, a picking groove 21 and a paddle 22. The mounting groove 18 is opened on the side wall of the locking nut 7. There are six mounting grooves 18, and the six mounting grooves 18 are respectively distributed on the six side walls of the locking nut 7. The paddle 22 is movably connected in the mounting groove 18. A through hole is opened on the surface of the paddle 22. The limiting shaft 19 is fixed to the surface of the mounting groove 18 after passing through the through hole. The limiting shaft 19 is a "T"-shaped cylindrical structure. A rubber clamp 20 is set at one end of the paddle 22. When the paddle 22 is placed flat inside the mounting groove 18, the rubber clamp 20 is clamped between the paddle 22 and the mounting groove 18, and a picking groove 21 is opened on the side of the paddle 22 facing the outside of the mounting groove 18.

[0039] In actual use, one end of the connecting rod 1 is hammered into the solid wall 2, the expansion sleeve 3 is sleeved on the other end of the connecting rod 1, and after the leveling screw 5 passes through the reserved hole on the surface of the keel 6, the leveling screw 5 is screwed into the expansion sleeve 3, and then the finger is picked in the picking groove 21, and the paddle 22 is moved from the installation groove 18 to rotate around the limit axis 19. After the paddle 22 is extended, it is more labor-saving to press the paddle 22 with the finger to rotate the locking nut 7, that is, the locking nut 7 can be tightened by hand. When the locking nut 7 is locked, after the gasket 9 contacts the surface of the keel 6, the locking nut 7 is continued to be screwed, and the gasket 9 is squeezed and slides along the side groove 8. At this time, the rubber supporting block 13 and the elastic rubber compensation block 17 are clamped, and the locking nut 7 is continued to be tightened. The two groups of metal springs 15 are clamped, and the metal springs 15 are elastically deformed at the elastic transition piece 16. In this way, the elastic part rebounds to support the locking nut 7 to prevent the threaded engagement between the locking nut 7 and the leveling screw 5 from loosening.

[0040] 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 metal expansion plug leveling connection system, comprising a connecting rod (1), the connecting rod (1) being inserted into the interior of a solid wall (2), characterized in that: An expansion sleeve (3) is sleeved on one end of the connecting rod (1), a leveling screw (5) is threadedly connected to one end of the expansion sleeve (3), and the leveling screw (5) passes through the keel (6); A locking nut (7) is screwed onto the surface of the leveling screw (5); a gasket (9) is slidably connected to the surface of the locking nut (7); an elastic gasket is arranged between the gasket (9) and the locking nut (7); a rubber gasket (12) is arranged on the surface of the locking nut (7); the rubber gasket (12) is in a circular plate-shaped structure; a plurality of rubber gaskets (12) are provided; the plurality of rubber gaskets (12) have different sizes, and the plurality of rubber gaskets (12) are arranged in a ring-shaped manner; the elastic gasket comprises a rubber top support block (13), a through-hole (14), a metal spring sheet (15), an elastic transition sheet (16), and an elastic rubber compensation block (17); the rubber top support block (13) is in a square block; a plurality of six rubber top support blocks (13) are provided; the six groups of rubber top support blocks (13) are respectively fixed to the six side plates of the gasket (9); each group of rubber Two rubber top support blocks (13) are provided, and the two rubber top support blocks (13) are symmetrically distributed about the limiting slide groove (10), and the elastic rubber compensation block (17) is fixed on the surface of the rubber top support block (13), and the elastic rubber compensation block (17) is connected between the gasket (9) and the side groove (8); the through opening (14) is opened on the surface of the rubber top support block (13), and two groups of metal springs (15) are symmetrically arranged inside the through opening (14), and the metal springs (15) are in the form of a circular arc plate structure. Two groups of elastic transition pieces (16) are integrally formed on the surface of the metal springs (15), and the elastic transition pieces (16) are in the form of a circular arc plate structure. The two groups of elastic transition pieces (16) are symmetrically distributed about the center of the metal springs (15), and the long side length of the metal springs (15) is equal to the long side length of the rubber top support block (13); The rotating toggle member is arranged on the surface of the locking nut (7).

2. A metal expansion plug leveling connection system according to claim 1, characterized in that: The connecting rod (1) is in the form of a "T"-shaped column structure. One end of the connecting rod (1) inserted into the solid wall (2) is integrally formed with a trapezoidal block. The pipe opening of the expansion sleeve (3) is in the form of a "convex"-shaped opening. The inner wall of the pipe opening of the end of the expansion sleeve (3) extending out of the solid wall (2) is provided with an internal thread, and the internal thread is cooperatively connected with the leveling screw (5).

3. A metal expansion plug leveling connection system according to claim 2, characterized in that: One end of the expansion sleeve (3) extending into the solid wall (2) is provided with a slit groove (4), a plurality of slit grooves (4) are provided, and the plurality of slit grooves (4) are arranged and distributed along the arc outer wall of the expansion sleeve (3), and the locking nut (7) is located between the expansion sleeve (3) and the keel (6).

4. A metal expansion plug leveling connection system according to claim 3, characterized in that: The surface of the locking nut (7) is provided with a side groove (8), the side groove (8) being an annular groove, the gasket (9) being sleeved on the outside of the side groove (8), the gasket (9) being a hexagonal ring plate structure, and an anti-slipping member being provided between the gasket (9) and the side groove (8).

5. A metal expansion plug leveling connection system according to claim 4, characterized in that: The anti-slip component comprises a limiting slide groove (10) and a blocking piece (11), the limiting slide groove (10) being arranged on the surface of the gasket (9), the blocking piece (11) being slidably connected in the limiting slide groove (10), and the blocking piece (11) being fixed on the surface of the side groove (8), six groups of blocking pieces (11) being arranged, the six groups of blocking pieces (11) being respectively fixed on six side walls of the side groove (8), and the limiting slide grooves (10) and the blocking pieces (11) being corresponding one to one.

6. A metal expansion plug leveling connection system according to claim 1, characterized in that: The rotating toggle member comprises a mounting groove (18), a limiting shaft (19), a rubber clamp strip (20), a picking groove (21) and a paddle (22); the mounting groove (18) is formed on a side wall of the locking nut (7); six mounting grooves (18) are provided, and the six mounting grooves (18) are respectively distributed on six side walls of the locking nut (7); and the paddle (22) is movably connected in the mounting groove (18).

7. A metal expansion plug leveling connection system according to claim 6, characterized in that: The surface of the paddle (22) is provided with a through hole, and the limiting shaft (19) is fixed on the surface of the mounting groove (18) after passing through the through hole. The limiting shaft (19) is in a T-shaped cylindrical structure. A rubber clamp (20) is provided at one end of the paddle (22). When the paddle (22) is placed flat inside the mounting groove (18), the rubber clamp (20) is clamped between the paddle (22) and the mounting groove (18), and a pick-out groove (21) is provided on a surface of the paddle (22) facing the outside of the mounting groove (18).

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