Fastening connection structure of embedded nut

Abstract

The utility model provides a fastening connection structure of an embedded nut, which comprises a bottom piece, vertical plates and a strip-shaped nut block, and the upper surface of the bottom piece is connected with a cylindrical plug. Compared with the prior art, the fastening connection structure of the embedded nut has the advantages that the vertical plates are installed on the two sides of the strip-shaped nut block, and the strip-shaped nut block can be overturned to form a horizontal angle with the vertical plates; the lower portion of the vertical plate is connected with the lengthening plate, the cylindrical plug and the bottom piece, and after holes with appropriate sizes are drilled in the surface of the plate and the surface of an object needing to be hung, the strip-shaped nut block can conveniently penetrate through the holes to completely stretch into the back face of the plate. The external screw can upwards push the strip-shaped nut block to rotate and then be installed on the back face of the plate in an attached mode, the external screw is screwed into the strip-shaped nut block, the distance between the bottom piece and the strip-shaped nut block can be gradually shortened, then the bottom piece is clamped on the two sides of the plate, and therefore the strip-shaped nut block is installed on the back face of the plate, and the external screw is installed in the plate.

Description

Technical Field

[0001] The utility model belongs to the field of embedded nuts, and in particular relates to a fastening connection structure of the embedded nuts. Background Art

[0002] At present, the use of hollow walls, ceilings, plywood, thin plates and other panels is ubiquitous in the decoration of homes and offices. Panels are widely used in walls, partitions, ceilings, etc. in construction and decoration. Although these panels themselves do not have a high load-bearing capacity, people still need to hang objects on these panels in home or office environments, such as picture frames, mirror frames or other decorations. For safety reasons, appropriate methods are usually selected to enhance the fixing effect, such as using special fixing parts (such as expansion tubes with screws) or screwing nuts into the back of the panel and then tightening them with screws. However, the fixing force of simply relying on expansion tubes with screws to screw into the panel is relatively limited. At the same time, since it is difficult for the nuts to penetrate the panel and enter the back of the panel, relying solely on screws may gradually loosen under long-term stress, affecting the durability of the fixation and being inconvenient during installation and adjustment. Therefore, a new structure is needed to solve the above-mentioned technical problems. Utility Model Content

[0003] In view of the deficiencies in the prior art, the present invention aims to provide a fastening connection structure of an embedded nut to solve the problems raised in the above-mentioned background technology.

[0004] The utility model is realized by the following technical solution: a fastening connection structure of an embedded nut, comprising: a bottom plate, a vertical plate and a strip-shaped nut block, wherein the upper surface of the bottom plate is connected to a cylindrical plug, and two groups of extension plates are symmetrically mounted on the upper surface of the cylindrical plug, the bottom of the bottom plate is recessed upward to form a countersunk hole, and the upper parts of the two groups of extension plates are connected to vertical plates, and the front and rear surfaces of the vertical plates are penetrated to form a strip slide groove;

[0005] A slider is installed on the side of the extension plate, and a strip nut block is connected to the top of the bottom plate through a vertical plate. Movable rods are installed on the front and back sides of the strip nut block. The two groups of movable rods are symmetrically connected inside the two groups of vertical plates. Threaded holes with the same axis as the threaded hole are formed through the upper and lower surfaces of the strip nut block.

[0006] As a preferred embodiment, the lower surface of the bottom film penetrates upward to the upper surface of the cylindrical plug to form a countersunk hole, and the two groups of the extension plates are symmetrically connected on the front and back sides of the upper surface of the cylindrical plug. The extension plates are located on both sides of the countersunk hole. The countersunk hole is opened on the lower surface of the bottom film, so that when using external screws, they can be extended into the inside of the bottom film and the cylindrical plug, thereby improving the aesthetics of the bottom of the bottom film.

[0007] As a preferred embodiment, two groups of vertical plates are installed, and the two groups of vertical plates are symmetrically installed between the inner sides of the two groups of extension plates. Vertical strip slides are formed on the surfaces of the two groups of vertical plates, and two groups of sliders are correspondingly installed inside the two groups of strip slides. By connecting the extension plates under the vertical plates, the usable length of the vertical plates can be increased, and the extension plates can be moved toward the vertical plates through the sliders and hidden inside the holes, so as to avoid the extension plates protruding outward and affecting the aesthetics.

[0008] As a preferred embodiment, the two groups of sliders are symmetrically mounted above the adjacent side surfaces of the two groups of extension plates, and the two groups of sliders have the same structure and are both circular structures.

[0009] As a preferred embodiment, the side lengths of the front and rear sides of the strip nut block are longer than the side lengths of the left and right sides thereof, and circular holes are formed through the upper sides of the front and rear surfaces of both groups of vertical plates.

[0010] The two groups of movable rods on the front and rear surfaces of the strip nut block are symmetrically assembled into the two groups of circular holes. By opening circular holes on the surface of the vertical plates, a movable structure is formed between the movable rods and the circular holes, which enables the strip nut block to flip around the movable rods between the two groups of vertical plates, making it easy to adjust the use angle of the strip nut block.

[0011] As a preferred embodiment, a convex point for increasing friction is formed on the bottom of the strip nut block, and the lateral length of the upper surface of the strip nut block is greater than the lateral length of the lower surface thereof.

[0012] As a preferred embodiment, symmetrical inclined surfaces are formed on the lower sides of the left and right surfaces of the strip nut block, and the lateral length of the lower surface of the strip nut block is greater than the diameter length of the cylindrical plug. By forming an inclined surface on the surface of the strip nut block, the external bolt can be pushed to rotate when it extends into the countersunk hole.

[0013] After adopting the above technical scheme, the beneficial effect of the utility model is as follows: by installing vertical plates on both sides of the strip nut block, the strip nut block can be flipped to make it horizontal with the vertical plates, and the extension plate, cylindrical plug and bottom plate are connected below the vertical plate. After drilling holes of appropriate sizes on the surface of the plate and the surface of the object to be hung, it is convenient for the strip nut block to pass through the holes and fully extend into the back of the plate. By inserting the external screw into the countersunk hole opened at the bottom of the bottom plate, the external screw extends upward and contacts the inclined surface of the strip nut block, which can push the strip nut block to rotate and fit it to the back of the plate. At the same time, in the process of screwing the external screw into the threaded hole, the distance between the bottom plate and the strip nut block can be gradually shortened, so that the bottom plate and the strip pin are respectively clamped on the surfaces of both sides of the plate, thereby realizing the installation of the strip nut block on the back of the plate and the installation of the external bolt inside the plate, reducing the probability of the external bolt slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a fastening connection structure of an embedded nut.

[0016] Figure 2 It is a right side plan view of a fastening connection structure of an embedded nut according to the present invention.

[0017] Figure 3 This is a main assembly view of a fastening connection structure of an embedded nut according to the present invention.

[0018] In the figure, 100-film, 200-cylinder, 210-counter-sink, 300-extension plate, 310-slider, 400-vertical plate, 410-bar slide, 500-bar nut block, 510-threaded hole, 520-movable rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figures 1 to 3 The present invention provides a technical solution: a fastening connection structure for an embedded nut, comprising: a bottom plate 100, a vertical plate 400, and a strip-shaped nut block 500. A cylindrical plug 200 is connected to the upper surface of the bottom plate 100, and two sets of extension plates 300 are symmetrically installed on the upper surface of the cylindrical plug 200. The bottom of the bottom plate 100 is recessed upward to form a countersunk hole 210. The upper parts of the two sets of extension plates 300 are both connected to vertical plates 400. The front and rear surfaces of the vertical plates 400 are penetrated to form a strip-shaped slide groove 410.

[0021] A slider 310 is installed on the side of the extension plate 300, and a strip nut block 500 is connected to the top of the bottom film 100 through the vertical plate 400. Movable rods 520 are installed on the front and back sides of the strip nut block 500. The two groups of movable rods 520 are symmetrically connected inside the two groups of vertical plates 400. A threaded hole 510 with the same axis as the threaded hole 510 is formed through the upper and lower surfaces of the strip nut block 500.

[0022] The lower surface of the bottom film 100 penetrates upward to the upper surface of the cylindrical plug 200 to form a countersunk hole 210. Two sets of extension plates 300 are symmetrically connected to the front and back sides of the upper surface of the cylindrical plug 200. The extension plates 300 are located on both sides of the countersunk hole 210. The countersunk hole 210 is opened on the lower surface of the bottom film 100, so that when using an external screw, it can be inserted into the inside of the bottom film 100 and the cylindrical plug 200, avoiding one end of the external screw protruding outward, thereby improving the aesthetics of the bottom of the bottom film 100.

[0023] Two groups of vertical plates 400 are installed, and the two groups of vertical plates 400 are symmetrically installed between the inner sides of the two groups of extension plates 300. Vertical strip slides 410 are formed on the surfaces of the two groups of vertical plates 400, and two groups of sliders 310 are correspondingly installed inside the two groups of strip slides 410. By connecting the extension plates 300 under the vertical plates 400, the usable length of the vertical plates 400 can be increased. After drilling holes in the surface of the plates, the strip nut blocks 500 can be flipped to a horizontal angle with the vertical plates 400, and the strip nut blocks 500 together with the vertical plates 400 and the extension plates 300 are extended into the holes opened on the surface of the plates. When the strip nut blocks 500 are fully extended into the holes, they can be flipped, and the extension plates 300 can be hidden inside the holes after being moved toward the vertical plates 400 by the sliders 310, so as to avoid the extension plates 300 protruding outward and affecting the aesthetics.

[0024] The two groups of sliders 310 are symmetrically mounted above the adjacent side surfaces of the two groups of extension plates 300 . The two groups of sliders 310 have the same structure and are both circular structures.

[0025] The length of the side edges of the front and rear sides of the strip nut block 500 is longer than that of the side edges of the left and right sides thereof. Circular holes are formed through the upper sides of the front and rear surfaces of both sets of vertical plates 400.

[0026] The two groups of movable rods 520 on the front and rear surfaces of the strip nut block 500 are symmetrically assembled into the two groups of circular holes. By opening circular holes on the surface of the vertical plate 400, a movable structure is formed between the movable rods 520 and the circular holes, which can enable the movable rods 520 on the surface of the strip nut block 500 to be assembled in the corresponding circular holes. When the strip nut block 500 is moved, the strip nut block 500 can be flipped around the movable rods 520 between the two groups of vertical plates 400, which is convenient for adjusting the use angle of the strip nut block 500.

[0027] The bottom of the strip nut block 500 is formed with protrusions for increasing friction, and the lateral length of the upper surface of the strip nut block 500 is greater than the lateral length of the lower surface thereof.

[0028] Symmetrical inclined surfaces are formed on the lower sides of the left and right surfaces of the strip nut block 500. The lateral length of the lower surface of the strip nut block 500 is greater than the diameter length of the cylindrical plug 200. By forming an inclined surface on the surface of the strip nut block 500, when the external bolt pushes the strip nut block 500 vertically, the external bolt can slide on its inclined surface, thereby pushing the strip nut block 500 to rotate.

[0029] As the first embodiment of the present invention, in actual use, when there is a gap of appropriate distance between the plate and the installation wall, first, a hole is drilled into the plate surface and the surface of the object to be hung by a drilling device, and the hole diameter matches the diameter of the cylindrical plug 200. Since the two sides of the strip nut block 500 are installed between the two groups of vertical plates 400 through the movable rod 520, the strip nut block 500 can be turned over to make it horizontal with the vertical plates 400, so that the strip nut block 500 is folded between the two groups of vertical plates 400, and then the strip nut block 500 is extended into the plate surface and the surface of the object to be hung. In the opened hole, when the strip nut block 500 passes through the hole and is completely extended to the back of the plate, an external screw is inserted into the countersunk hole 210. When the external screw contacts the strip nut block 500, it contacts its inclined surface, thereby pushing the strip nut block 500 to rotate, or the external screw is moved left and right at the same time to assist the strip nut block 500 to rotate around the movable rod 520. When the strip nut block 500 and the vertical plate 400 reach a certain inclination angle, the bottom film 100 is pulled downward, so that the strip nut block 500 can be rotated and horizontally fitted with the back of the plate, thereby installing the strip nut block 500 horizontally to the back of the plate.

[0030] As a second embodiment of the present invention, when the strip nut block 500 is horizontally attached to the back of the plate, the countersunk hole 210 and the threaded hole 510 are in an axially aligned state. At this time, the external screw is screwed into the threaded hole 510. During the rotation of the external screw, the distance between the bottom plate 100 and the strip nut block 500 is gradually shortened, so that the slider 310 on the surface of the extension plate 300 moves in the strip groove 410 on the surface of the vertical plate 400. At the same time, the cylindrical plug 200 extends into the hole on the surface of the plate. At this time, the bottom plate 100 and the strip nut block 500 are respectively clamped on the two side surfaces of the plate. Because the bottom of the strip nut block 500 is formed with a convex point that increases friction, the strip nut block 500 can be fixed on the surface of the plate, and the external screw is fixed inside the plate through the strip nut column 500, reducing the probability of slipping of the external bolt.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fastening connection structure of an embedded nut, comprising: A bottom plate (100), a vertical plate (400) and a strip nut block (500), wherein the upper surface of the bottom plate (100) is connected to a cylindrical plug (200), and two groups of extension plates (300) are symmetrically installed on the upper surface of the cylindrical plug (200), and the bottom of the bottom plate (100) is recessed upward to form a countersunk hole (210), characterized in that the upper parts of the two groups of extension plates (300) are connected to vertical plates (400), and the front and rear surfaces of the vertical plates (400) are penetrated to form a strip chute (410); A slider (310) is installed on the side of the extension plate (300), and a strip nut block (500) is connected to the top of the bottom plate (100) through a vertical plate (400). Movable rods (520) are installed on the front and rear sides of the strip nut block (500). Two groups of movable rods (520) are symmetrically connected inside the two groups of vertical plates (400). Threaded holes (510) with the same axis as the threaded hole (510) are formed through the upper and lower surfaces of the strip nut block (500).

2. The fastening connection structure of the embedded nut according to claim 1, characterized in that: The lower surface of the bottom film (100) penetrates upward to the upper surface of the cylindrical plug (200) to form a countersunk hole (210), and the two groups of extension plates (300) are symmetrically connected to the front and rear sides of the upper surface of the cylindrical plug (200), and the extension plates (300) are located on both sides of the countersunk hole (210).

3. The fastening connection structure of the embedded nut according to claim 2, characterized in that: Two groups of vertical plates (400) are installed, and the two groups of vertical plates (400) are symmetrically installed between the inner sides of the two groups of extended plates (300). Vertical strip-shaped sliding grooves (410) are formed on the surfaces of the two groups of vertical plates (400), and two groups of sliding blocks (310) are correspondingly installed inside the two groups of strip-shaped sliding grooves (410).

4. The fastening connection structure of the embedded nut according to claim 3, characterized in that: The two groups of sliders (310) are symmetrically mounted above adjacent side surfaces of the two groups of extension plates (300). The two groups of sliders (310) have the same structure and are both circular structures.

5. The fastening connection structure of an embedded nut according to claim 1 or 4, characterized in that: The length of the side edges on the front and rear sides of the strip-shaped nut block (500) is longer than the length of the side edges on the left and right sides thereof, and circular holes are formed on the upper sides of the front and rear surfaces of both sets of vertical plates (400).

6. The fastening connection structure of the embedded nut according to claim 5, characterized in that: The two groups of movable rods (520) on the front and rear surfaces of the strip nut block (500) are symmetrically assembled inside the two groups of circular holes, and a movable structure is formed between the movable rods (520) and the circular holes.

7. The fastening connection structure of an embedded nut according to claim 6, characterized in that: A convex point for increasing friction is formed at the bottom of the strip nut block (500), and the lateral length of the upper surface of the strip nut block (500) is greater than the lateral length of the lower surface thereof.

8. The fastening connection structure of the embedded nut according to claim 7, characterized in that: The lower sides of the left and right surfaces of the strip nut block (500) form symmetrical inclined surfaces, and the transverse length of the lower surface of the strip nut block (500) is greater than the diameter length of the cylindrical plug (200).

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