Special alloy fastener with anti-theft function

Abstract

The special alloy fastener with the anti-theft function comprises a guiding device, a positioning device and a covering device, the covering device is rotationally connected to the top end of the guiding device in a sleeved mode, the positioning device is inserted into the covering device in a sliding mode, and the positioning device comprises a handle, a U-shaped clamping column, an alignment groove and a bolt. The handle is fixedly installed in the center of the top end of the U-shaped clamping column, the U-shaped clamping column is slidably inserted into the alignment grooves, the alignment grooves are symmetrically formed in the top end of the bolt, the guide device comprises a special alloy bolt, a supporting sleeve, a plastic gasket, a protective sleeve and a sleeve rod, and the sleeve rod is fixedly installed at one end of the top of the protective sleeve. The supporting sleeve is fixedly installed at the other end of the protecting sleeve, and the special alloy bolt is inserted into the center of the interior of the protecting sleeve in a sliding mode. Through the arrangement of the positioning device, the guiding device and the covering device, the purposes of bolt theft prevention and surface protection are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field, concretely is a kind of special alloy fastener with anti-theft function. BACKGROUND

[0002] Fastener is a kind of element that is widely used in mechanical engineering, mainly used to fasten and connect two or more than two parts (or components) into a whole, fastener, also known as standard parts, has wide application in the market, its characteristics are that variety and specification are numerous, performance and use are different, and the degree of standardization, serialization and generalization is extremely high.

[0003] For example, a fastener disclosed in Chinese patent publication No. CN111365345A belongs to the field of fasteners, which comprises a nail, an inner sleeve detachably sleeved on the nail, and an outer sleeve detachably sleeved on the inner sleeve for fastening the inner sleeve; the nail comprises a nail head and a nail body, the contour lines of the outer wall of the nail body are straight lines, the inner wall of the inner sleeve is provided with anti-skid lines, and the inner sleeve is in interference fit with the nail body.

[0004] The existing fastener is in an exposed state when in use, so that other personnel can use a corresponding screwdriver to disassemble the fastener. Meanwhile, the existing fastener lacks protective fasteners, so that the screw head may rust. Therefore, an equipment needs to be improved for the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a special alloy fastener with anti-theft function to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a special alloy fastener with anti-theft function, comprising a guide device, a positioning device and a covering device, the covering device is rotatably sleeved at the top end of the guide device, the positioning device is slidably inserted into the inside of the covering device, the positioning device comprises a handle, a U-shaped clamping column, a positioning groove and a bolt, the handle is fixedly installed at the top end center of the U-shaped clamping column, the U-shaped clamping column is slidably inserted into the inside of the positioning groove, and the positioning groove is symmetrically formed in the top end inside of the bolt.

[0007] Preferably, the guide device comprises a special alloy bolt, a support sleeve, a plastic gasket, a protective sleeve and a sleeve rod, the sleeve rod is fixedly installed at one end of the top of the protective sleeve, the support sleeve is fixedly installed at the other end of the protective sleeve, the special alloy bolt is slidably inserted into the inside center of the protective sleeve, the plastic gasket is fixedly installed at the bottom end of the protective sleeve, the covering device comprises a covering plate and a mounting groove, and the mounting groove is formed at one end of the inside of the covering plate.

[0008] Preferably, the covering plate is sleeved on the sleeve rod away from the one end of the mounting slot, and the bolt is threadedly inserted into the center of the top end of the supporting sleeve.

[0009] Preferably, the center of the top end of the supporting sleeve is provided with a threaded hole.

[0010] Preferably, the top end of the sleeve rod is provided with an anti-drop piece.

[0011] Preferably, the depth of the mounting slot is consistent with the thickness of the top head of the bolt.

[0012] Compared with the prior art, the device has the following beneficial effects:

[0013] When the device is used, the U-shaped clamping column is adapted to the counterpositioning groove through the butt joint, so that the counterpositioning groove can be screwed and rotated only by the U-shaped clamping column. Meanwhile, the bolt is installed in the interior of the supporting sleeve, so that the covering plate can be limited on the protective sleeve. When the covering plate is combined with the protective sleeve, the special alloy bolt can be isolated and protected, so that the surface of the special alloy bolt can be prevented from being affected by the outside world. Meanwhile, the covering plate can be rotated on the sleeve rod, so that the covering plate and the special alloy bolt can be rotated and dislocated, and the user can operate the special alloy bolt conveniently, and the work of isolating and protecting the special alloy bolt and preventing theft can be completed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the main body structure of the device;

[0015] Figure 2 It is a schematic view of the positioning device structure of the device;

[0016] Figure 3 It is a schematic view of the guiding device structure of the device;

[0017] Figure 4 It is a schematic view of the covering device structure of the device.

[0018] In the drawing: 1-positioning device, 2-guiding device, 3-covering device, 4-handle, 5-U-shaped clamping column, 6-counterpositioning groove, 7-bolt, 8-special alloy bolt, 9-supporting sleeve, 10-plastic gasket, 11-protective sleeve, 12-sleeve rod, 13-covering plate, 14-mounting slot. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides an embodiment: a special alloy fastener with anti -theft function, including guide device 2, positioning device 1 and covering device 3, covering device 3 rotates and is connected in the top of guide device 2, positioning device 1 is inserted in the inside of covering device 3 and slides, positioning device 1 includes handle 4, U type card post 5, alignment slot 6 and bolt 7, handle 4 fixed mounting is at the top center of U type card post 5, U type card post 5 is inserted in the inside of alignment slot 6 and slides, alignment slot 6 is symmetrically set up in the top inside of bolt 7.

[0021] Guide device 2 includes special alloy bolt 8, support sleeve 9, plastic gasket 10, protective sleeve 11 and sleeve rod 12, sleeve rod 12 fixed mounting is at the top one end of protective sleeve 11, support sleeve 9 fixed mounting is at the other end of protective sleeve 11, special alloy bolt 8 is inserted in the inside center of protective sleeve 11 and slides, plastic gasket 10 fixed mounting is at the bottom end of protective sleeve 11, covering device 3 includes covering plate 13 and installation slot 14, installation slot 14 is set up in the inside one end of covering plate 13, and the screw head on special alloy bolt 8 is greater than the diameter of the round hole in the inside center of protective sleeve 11, so that the special alloy bolt 8 can be prevented from falling off from the protective sleeve 11.

[0022] The end of covering plate 13 away from installation slot 14 is slidably connected to sleeve rod 12, and bolt 7 is threadedly connected to the top center of support sleeve 9, so that covering plate 13 can be limited to the top end of protective sleeve 11.

[0023] A threaded hole is formed in the top center of support sleeve 9, so that bolt 7 can be adapted to butt joint with support sleeve 9.

[0024] A anti-drop piece is installed on the top end of sleeve rod 12 to prevent covering plate 13 from falling off when rotating.

[0025] The depth of installation slot 14 is consistent with the thickness of the screw head at the top end of bolt 7, so as to ensure the flatness of the top end of covering plate 13.

[0026] Working principle: in use, the bottom end of the protective sleeve 11 is provided with a round hole, so that the special alloy bolt 8 can be inserted into the inside of the protective sleeve 11, and at the same time, the special alloy bolt 8 can be screwed to the outside member, and when the special alloy bolt 8 is screwed to the limit position, the protective sleeve 11 can be extruded and the surface of the member is attached, the plastic gasket 10 is fixedly installed at the bottom end of the protective sleeve 11, so that when the protective sleeve 11 is attached to the surface of the member, the water or other substances outside the gap between the protective sleeve 11 and the member are prevented from contacting the special alloy bolt 8, and when the protective sleeve 11 and the special alloy bolt 8 are installed, the covering plate 13 is rotatably sleeved on the sleeve rod 12 away from the installation groove 14, the covering plate 13 is rotated until the installation groove 14 is rotated to be perpendicular to the supporting sleeve 9, and then the bolt 7 is penetrated through the installation groove 14 and matched with the supporting sleeve 9, at this time, the U-shaped clamping column 5 can be inserted into the inside of the alignment slot 6, and then the handle 4 is rotated, so that the U-shaped clamping column 5 can drive the bolt 7 to rotate, the inside of the supporting sleeve 9 is provided with a screw thread, so that when the bolt 7 is rotated, it can enter the inside of the supporting sleeve 9, and when the bolt 7 is screwed to the limit position, the top end of the bolt 7 can be flush with the top end surface of the covering plate 13, then the handle 4 is pulled upward, so that the U-shaped clamping column 5 can be removed from the alignment slot 6, the covering plate 13 and the protective sleeve 11 are attached to each other, so that the covering plate 13 and the protective sleeve 11 can be located above the special alloy bolt 8 for protection, avoiding the phenomenon of rust on the top end of the special alloy bolt 8, and the device can be used, the bolt 7 can be penetrated through the installation groove 14 and the supporting sleeve 9 to be fastened, so that the covering plate 13 can be limited at the top end of the protective sleeve 11, at the same time, the bolt 7 needs to be opened by the corresponding U-shaped clamping column 5, so that it can be prevented from being opened by others, and at the same time, when the special alloy bolt 8 is screwed to the limit position, the plastic gasket 10 can be tightly attached to the surface of the member outside, so that the water outside can be prevented from penetrating into the special alloy bolt 8, and the work is completed.

[0027] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A special alloy fastener with anti-theft function, comprising a guide device (2), a positioning device (1), and a covering device (3), wherein the covering device (3) is rotatably sleeved on the top end of the guide device (2), and the positioning device (1) is slidably inserted into the interior of the covering device (3), characterized in that: The positioning device (1) comprises a handle (4), a U-shaped clamping column (5), a positioning slot (6) and a bolt (7), the handle (4) is fixedly installed at the top center of the U-shaped clamping column (5), the U-shaped clamping column (5) is slidingly inserted into the inside of the positioning slot (6), and the positioning slot (6) is symmetrically arranged in the top end of the bolt (7).

2. The special alloy fastener with anti-theft function according to claim 1, characterized in that: The guide device (2) comprises a special alloy bolt (8), a supporting sleeve (9), a plastic gasket (10), a protective sleeve (11) and a sleeve rod (12), the sleeve rod (12) is fixedly installed at one end of the top of the protective sleeve (11), the supporting sleeve (9) is fixedly installed at the other end of the top of the protective sleeve (11), the special alloy bolt (8) is slidingly inserted into the inside center of the protective sleeve (11), the plastic gasket (10) is fixedly installed at the bottom end of the protective sleeve (11), and the covering device (3) comprises a covering plate (13) and a mounting slot (14).

3. The special alloy fastener with anti-theft function according to claim 2, characterized in that: The end, away from the mounting slot (14), of the covering plate (13) is slidingly sleeved on the sleeve rod (12), and the bolt (7) is threadedly inserted into the top center of the supporting sleeve (9).

4. The special alloy fastener with anti-theft function according to claim 3, characterized in that: A threaded hole is arranged in the top center of the supporting sleeve (9).

5. The special alloy fastener with anti-theft function according to claim 4, characterized in that: A anti-loosening piece is installed on the top end of the sleeve rod (12).

6. The special alloy fastener with anti-theft function according to claim 5, characterized in that: The depth of the mounting slot (14) is consistent with the thickness of the top head of the bolt (7).

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