Hidden fastener convenient to install

Abstract

The utility model discloses a hidden type fastener convenient to install, which comprises a first protective cover and a second protective cover, symmetrical cavities are arranged in the first protective cover, the outer surface of the first protective cover is communicated with symmetrical positioning boxes, the interiors of the two positioning boxes are both connected with springs, and the two positioning boxes are connected with the first protective cover. The ends, close to each other, of the two springs are both connected with first clamping blocks. According to the device, a first protection cover and a second protection cover are combined, a second clamping block is inserted into a cavity, the second clamping block abuts against a first clamping block, a first block shrinks into a positioning box, then the first clamping block is reset through elasticity of a spring, and the second clamping block is positioned through the first clamping block; and then, the cover plate is inserted into the limiting assembly to complete installation of the cover plate, so that the end caps are hidden in the protection covers, the end caps are not prone to rusting, workers are prevented from being scratched by the end caps, and the attractiveness is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field especially convenient to install's hidden fastener. BACKGROUND

[0002] Fastener is the general term of a kind of mechanical parts when two or more than two parts (or component) fastening connection becomes an entirety, it is also called standard part, because its standardization, serialization and generalization degree is extremely high, screw is a kind of common fastener, widely used in machinery, electrical equipment and building etc., screw is usually made of metal or plastic, it is cylindrical, surface is engraved with concave-convex groove and is called screw thread.

[0003] The existing screw is usually directly installed to the screw hole of the connected piece, the screw end cap is exposed outside, thereby affecting the appearance of the connected piece, and the external screw end cap is easy to rust, and the end of the screw is processed with burr, when being used for fastening connection, the screw end cap is easy to scratch worker, for this purpose, we provide a kind of convenient to install's hidden fastener to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model is to provide a kind of convenient to install's hidden fastener to solve the problems presented in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of convenient to install's hidden fastener, including first protective cover and second protective cover, the inside of first protective cover is symmetrically provided with cavity, the outer surface of first protective cover is symmetrically connected with positioning box, the inside of two positioning boxes is connected with spring, the end of two springs close to each other is connected with first clamping block, the side of two first clamping blocks close to each other is extended to the inside of cavity and penetrates positioning box, the outer surface of second protective cover is connected with symmetric connecting rod, the end of two connecting rods is extended to the inside of cavity, the end of two connecting rods is connected with second clamping block, the inside of first protective cover and the inside of second protective cover are equipped with end cap, the bottom of end cap is connected with screw, the upper surface of first protective cover and the upper surface of second protective cover are connected with limiting assembly, the side of two limiting assemblies close to each other is connected with cover plate.

[0007] In further embodiments, two limiting assemblies include limiting frame, the bottom of two limiting frames is connected with the upper surface of first protective cover and the upper surface of second protective cover respectively, the inside of two limiting frames is slidably connected with limiting plate, the side of two limiting plates close to each other is connected with cover plate.

[0008] In further embodiments, the outer surface of the two limiting plates is connected with a first magnet, the inside of the two limiting frames is connected with a second magnet, the outer surface of the two first magnets is magnetically connected with the outer surface of the second magnet.

[0009] In further embodiments, the inside of the two positioning boxes is provided with a symmetrical chute, the inside of the two groups of chutes is slidingly connected with a sliding block, and the side of the two groups of sliding blocks close to each other is connected with the outer surface of the first clamping block.

[0010] In further embodiments, the side of the two first clamping blocks away from each other is connected with a pull rod, the end of the two pull rods away from each other penetrates the positioning box and extends to the outside of the positioning box, and the end of the two pull rods away from each other is connected with a handle.

[0011] In further embodiments, the outer surface of the two first clamping blocks is provided with a first chamfer, and the outer surface of the two second clamping blocks is provided with a second chamfer.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The device combines the first protective cover and the second protective cover, inserts the second clamping block into the inside of the cavity, and makes the first clamping block shrink into the positioning box by the second clamping block. Then, the first clamping block is reset by the elasticity of the spring, the first clamping block positions the second clamping block, the first protective cover and the second protective cover are installed, the cover plate is inserted into the limiting assembly, the installation of the cover plate is completed, the end cap is hidden in the protective cover, the end cap is not easy to rust and scratch the worker, and the appearance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Front view structural diagram of the hidden fastener convenient to install.

[0015] Figure 2 Pictorial view structural diagram of the first protective cover in the hidden fastener convenient to install.

[0016] Figure 3 Pictorial view structural diagram of the first protective cover in the hidden fastener convenient to install. Figure 2 Structural diagram of the local amplification in the middle A.

[0017] Figure 4 Side view structural diagram of the limiting frame in the hidden fastener convenient to install.

[0018] In the figure: 1, the first protective cover; 2, the second protective cover; 3, the cover plate; 4, the limiting assembly; 401, the limiting frame; 402, the limiting plate; 5, the end cap; 6, the screw; 7, the sliding groove; 8, the sliding block; 9, the spring; 10, the pull rod; 11, the handle; 12, the first clamping block; 13, the second clamping block; 14, the first chamfer; 15, the second chamfer; 16, the cavity; 17, the connecting rod; 18, the positioning box; 19, the first magnet; 20, the second magnet. DETAILED DESCRIPTION

[0019] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0020] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the present application.

[0022] Please refer to Figures 1-4The utility model discloses a kind of hidden fasteners convenient to install, including first protective cover 1 and second protective cover 2, the inside of first protective cover 1 is equipped with symmetrical cavity 16, the outer surface of first protective cover 1 is connected with symmetrical positioning box 18, the inside of two positioning boxes 18 is connected with spring 9, the end of two springs 9 mutually close is connected with first clamping block 12, the side of two first clamping blocks 12 mutually close is all extended to the inside of cavity 16 and penetrates positioning box 18, the outer surface of second protective cover 2 is connected with symmetrical connecting rod 17, the end of two connecting rods 17 is all extended to the inside of cavity 16, the end of two connecting rods 17 is connected with second clamping block 13, the inside of first protective cover 1 and the inside of second protective cover 2 are equipped with end cap 5 in common, the bottom of end cap 5 is connected with screw 6, the upper surface of first protective cover 1 and the upper surface of second protective cover 2 are connected with limiting component 4, the side of two limiting components 4 mutually close is connected with cover plate 3, by the cooperation of first protective cover 1 and second protective cover 2, the outside of end cap 5 can be protected, by being provided with spring 9, it can be reseted automatically using the elasticity of first clamping block 12, by being provided with cavity 16, second clamping block 13 can be conveniently placed, by being provided with cover plate 3, end cap 5 can be covered, to realize the hiding of end cap 5.

[0023] Two limiting components 4 include limiting frame 401, the bottom of two limiting frames 401 is connected with the upper surface of first protective cover 1 and the upper surface of second protective cover 2 respectively, the inside of two limiting frames 401 is slidably connected with limiting plate 402, the side of two limiting plates 402 mutually close is connected with cover plate 3, by inserting limiting plate 402 into the inside of limiting frame 401, cover plate 3 can be positioned, the outer surface of two limiting plates 402 is connected with first magnet 19, the inside of two limiting frames 401 is connected with second magnet 20, the outer surface of two first magnets 19 is magnetically connected with the outer surface of second magnet 20, by connecting first magnet 19 with second magnet 20, limiting plate 402 can be positioned, so that cover plate 3 is positioned, the inside of two positioning boxes 18 is equipped with symmetrical sliding slot 7, the inside of two groups of sliding slots 7 is slidably connected with sliding block 8, the side of two groups of sliding blocks 8 mutually close is connected with the outer surface of first clamping block 12, sliding block 8 can slide in sliding slot 7 along with first clamping block 12, to limit the effect of first clamping block 12.

[0024] Two first clamping blocks 12 are connected with pull rods 10, and the ends of the pull rods 10 are connected with handles 11, and the handles 11 are pulled to drive the first clamping blocks 12 to move, thereby releasing the positioning of the second clamping blocks 13.

[0025] The working principle of the utility model is:

[0026] During use, first, the first protection cover 1 and the second protection cover 2 are combined, the second clamping block 13 is inserted into the inside of the cavity 16, and the second clamping block 13 pushes against the first clamping block 12, so that the first clamping block 12 is retracted into the positioning box 18, then the second clamping block 13 is moved to a specified position, the first clamping block 12 is reset and the second clamping block 13 is limited by the reset property of the spring 9, then the limiting plate 402 is inserted into the limiting frame 401, the cover plate 3 covers the end cap 5, the first magnet 19 is connected with the second magnet 20, and the installation of the cover plate 3 is completed.

[0027] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

[0028] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A concealed fastener for ease of installation, characterized by: The utility model provides a double -sided protection device, including first protection cover (1) and second protection cover (2), the inside of first protection cover (1) is opened with symmetry cavity (16), the outer surface of first protection cover (1) is connected with symmetry positioning box (18), the inside of two positioning box (18) is connected with spring (9) all, and the end of two spring (9) all is connected with first clamping block (12) mutually close, and the face of two first clamping block (12) all extends to the inside of cavity (16) penetrating positioning box (18) mutually close, the outer surface of second protection cover (2) is connected with symmetry connecting rod (17), and the end of two connecting rod (17) all extends to the inside of cavity (16), and the end of two connecting rod (17) all is connected with second clamping block (13), the inside of first protection cover (1) and the inside of second protection cover (2) are equipped with end cap (5) jointly, the bottom of end cap (5) is connected with screw (6), and the upper surface of first protection cover (1) and the upper surface of second protection cover (2) all are connected with limiting component (4), and the face of two limiting component (4) all is connected with cover plate (3) mutually close.

2. A concealed fastener for easy installation according to claim 1, wherein: Two limiting component (4) all include limiting frame (401), and the bottom of two limiting frame (401) is connected with the upper surface of first protection cover (1) and the upper surface of second protection cover (2) respectively, and the inside of two limiting frame (401) is all connected with limiting plate (402) slidingly, and the face of two limiting plate (402) all is connected with cover plate (3) mutually close.

3. A concealed fastener for easy installation according to claim 2 wherein: The outer surface of two limiting plate (402) all is connected with first magnet (19), and the inside of two limiting frame (401) is connected with second magnet (20), and the outer surface of two first magnet (19) all is connected with the outer surface of second magnet (20) magnetically.

4. A concealed fastener for easy installation according to claim 1, wherein: The inside of two positioning box (18) all is opened with symmetry sliding slot (7), and the inside of two groups of sliding slot (7) is all connected with sliding block (8) slidingly, and the face of two groups of sliding block (8) all is connected with the outer surface of first clamping block (12) mutually close.

5. A concealed fastener for easy installation according to claim 1, wherein: The face of two first clamping block (12) all is connected with pull rod (10) mutually far away, and the end of two pull rod (10) all is connected with handle (11) mutually far away penetrating positioning box (18) and extending to the outside of positioning box (18).

6. A concealed fastener for easy installation according to claim 1, wherein: The outer surface of two first clamping block (12) all is opened with first chamfer (14), and the outer surface of two second clamping block (13) all is opened with second chamfer (15).

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