CN212509170U - Screw fastener for theft prevention - Google Patents
Screw fastener for theft prevention Download PDFInfo
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- CN212509170U CN212509170U CN202021074625.XU CN202021074625U CN212509170U CN 212509170 U CN212509170 U CN 212509170U CN 202021074625 U CN202021074625 U CN 202021074625U CN 212509170 U CN212509170 U CN 212509170U
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Abstract
The utility model relates to the technical field of screws, in particular to a screw fastener for theft prevention, which comprises a mounting frame, wherein a screw is arranged in the mounting frame, the mounting frame and the screw are fixed through screw threads, a movable block is arranged in one side of the screw, which is far away from the mounting frame, a movable block is connected in the magnet in a sliding way, the movable block is taken out, one end of the movable rod is protruded, the movable rod is extruded conveniently, the movable rod is extruded, after the movable rod reaches a fixed groove, a third clamping block is clamped into the inside of a third clamping groove under the action of a second spring to realize fixation, and is difficult to take out after fixation, the movable rod is effectively prevented from being moved out of the screw, one end of a connecting rod is separated from the inside of the movable plate, the first spring extrudes the movable plate, the first clamping block is clamped into the inside of the mounting frame, and the fixation is irreversible, preventing the screw from being taken out in a rotating way.
Description
Technical Field
The utility model relates to a screw technical field especially relates to a screw fastener for theftproof.
Background
The screw is a common fastener widely used in machinery, electrical appliances and buildings, is generally made of metal or plastic, is cylindrical, and is called as a thread with concave and convex grooves engraved on the surface, and the representation methods of various threads are different due to different measurement units, for example, a metric thread is represented by M16-2X60, which specifically means that the nominal diameter of the screw is 16MM, the pitch is 2MM, and the length is 60MM, and if the metric screw is represented, UNC and UNF are generally added behind the metric screw, so as to distinguish between coarse metric teeth and fine teeth.
The large-scale field installation is fixed by using screws, but the screws can be directly screwed off, so that potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the screw fastener for theftproof that proposes, connecting rod one end breaks away from the movable plate is inside, and first spring extrusion movable plate makes first fixture block card go into the inside of mounting bracket, makes screw and mounting bracket fixed once more, fixes once more, makes fixedly more firm, and fixed irreversible, prevents that the screw can rotate and take out.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the anti-theft screw fastener comprises a mounting frame, wherein screws are mounted inside the mounting frame, the mounting frame and the screws are fixed through threads, a moving block is mounted inside one side, away from the mounting frame, of each screw, the moving block is connected inside the corresponding magnet in a sliding mode, the top and the bottom of the corresponding moving block are provided with the corresponding magnets, the two magnets are fixed with the corresponding moving blocks, a moving cavity is mounted inside each screw, the screws and the moving cavity are designed in an integrated mode, a moving rod is mounted inside the moving cavity and connected inside the moving cavity in a sliding mode, a mounting plate is mounted at the top of the moving rod and designed in an integrated mode with the screws, a connecting rod is mounted on the surface of the moving rod, the moving rod and the connecting rod are designed in an integrated mode, and a first clamping block is mounted inside the mounting plate, the first clamping block is connected to the inside of the moving block in a sliding mode, the second clamping block is installed on one side of the first clamping block, the first clamping block and the second clamping block are designed in an integrated mode, the moving plate is installed at the bottom of the first clamping block, the first clamping block is attached to the moving plate, one end, far away from the moving rod, of the connecting rod is connected to the inside of the moving plate in a sliding mode, the moving rod is installed on one side, far away from the moving block, of the moving rod, the fixed groove is installed on the inside of the fixed groove in a sliding mode, the third clamping block is connected to the inside of the screw in a sliding mode, the fourth clamping block is installed on the two sides of the third clamping block, the third clamping block and the fourth clamping block are designed in an integrated mode, the third clamping groove is installed on the position, corresponding to the third clamping block.
Preferably, a moving groove is installed in the screw at a position corresponding to the magnet, the magnet is slidably connected to the inside of the moving groove, an installation groove is installed in the moving block, and the axial cross section of the installation groove is regular hexagon.
Preferably, a through groove is arranged in the moving block corresponding to the moving rod, the through groove and the moving block are designed in an integrated mode, the through groove is matched with the moving rod, a first clamping groove is arranged in the screw corresponding to a first clamping block, the first clamping block is connected to the first clamping groove in a sliding mode, and the axial section of the first clamping block is in a right triangle shape.
Preferably, a second clamping groove is formed in the position, corresponding to the second clamping block, in the screw, the second clamping block is connected to the inside of the second clamping groove in a sliding mode, the second clamping groove and the screw are designed in an integrated mode, a first spring is installed at the bottom of the moving plate, and the first spring is welded with the moving plate.
Preferably, a fourth clamping groove is installed in a position, corresponding to a fourth clamping block, in the screw, the fourth clamping block is connected to the inside of the fourth clamping groove in a sliding mode, a fifth clamping groove is installed in the screw, corresponding to a third clamping block, in the position, and the fifth clamping groove and the screw are designed in an integrated mode, a second spring is installed in the fifth clamping groove, and the second spring is welded with the third clamping block.
Preferably, the axial cross-sectional shapes of the third fixture block and the third clamping groove are both right-angled triangles, and the third fixture block is matched with the third clamping groove.
The utility model provides a pair of screw fastener for theftproof, beneficial effect lies in:
1. the moving block is taken out, one end of the moving rod protrudes out, the moving rod is conveniently extruded, the moving rod is extruded, after the moving rod reaches the fixed groove, the third clamping block is clamped into the third clamping groove under the action of the second spring to realize fixation, and the third clamping block is difficult to take out after fixation, so that the moving rod is effectively prevented from moving out of a screw;
2. connecting rod one end breaks away from the movable plate is inside, and first spring extrusion movable plate makes first fixture block card go into the inside of mounting bracket, makes screw and mounting bracket fixed once more, and is fixed once more, makes fixed more firm, and fixed belonging to irreversible, prevents that the screw can rotate to take out.
Drawings
Fig. 1 is a cross-sectional view of a screw fastener for theft prevention according to the present invention;
fig. 2 is a partial cross-sectional view of a screw of the screw fastener for theft prevention according to the present invention;
fig. 3 is an enlarged view of a portion a of fig. 1 of a screw fastener for theft prevention according to the present invention;
fig. 4 is an enlarged view of a portion B of fig. 1 of a screw fastener for theft prevention according to the present invention.
In the figure: 1. a magnet; 2. a moving block; 3. a travel bar; 4. a moving groove; 5. a screw; 6. a mounting frame; 7. mounting grooves; 8. passing through the slot; 9. a connecting rod; 10. moving the plate; 11. a first card slot; 12. a second card slot; 13. a first clamping block; 14. a second fixture block; 15. a first spring; 16. a moving chamber; 17. mounting a plate; 18. a third card slot; 19. a fourth card slot; 20. fixing grooves; 21. a third fixture block; 22. a fourth fixture block; 23. a second spring; 24. and a fifth card slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a screw fastener for theft prevention comprises a mounting frame 6, a screw 5 is mounted inside the mounting frame 6, a moving groove 4 is mounted inside the screw 5 corresponding to the position of a magnet 1, the magnet 1 is slidably connected inside the moving groove 4, a mounting groove 7 is mounted inside a moving block 2, and the shaft section of the mounting groove 7 is in a regular hexagon shape, so that the moving block 2 can be fixed more partially and can be taken down to prevent rotation.
The second clamping groove 12 is installed in the position, corresponding to the second clamping block 14, of the inner portion of the screw 5, the second clamping block 14 is connected to the inner portion of the second clamping groove 12 in a sliding mode, the second clamping groove 12 and the screw 5 are designed in an integrated mode, the first spring 15 is installed at the bottom of the moving plate 10, the first spring 15 is welded with the moving plate 10, stability of the device is improved, and fixation is firmer and safer.
Through the thread tightening between mounting bracket 6 and the screw 5, one side internally mounted that mounting bracket 6 was kept away from to screw 5 has movable block 2, the inside position that corresponds carriage release lever 3 of movable block 2 is installed through groove 8, be the integral type design with movable block 2 through groove 8, through groove 8 and 3 phase-matches of carriage release lever, first draw-in groove 11 is installed to the inside position that corresponds first fixture block 13 of screw 5, first fixture block 13 sliding connection is in the inside of first draw-in groove 11, the axle cross-sectional shape of first fixture block 13 is right angled triangle, conveniently block into the inside of mounting bracket 6 with first fixture block 13, it is more firm to make the fixing.
Fourth draw-in groove 19 is installed to the inside position that corresponds fourth fixture block 22 of screw 5, fourth fixture block 22 sliding connection is in the inside of fourth draw-in groove 19, fifth draw-in groove 24 is installed to the inside position that corresponds third fixture block 21 of screw 5, fifth draw-in groove 24 is the integral type design with screw 5, the internally mounted of fifth draw-in groove 24 has second spring 23, second spring 23 and third fixture block 21 welding, the stability of device is increased, it is more stable to make fourth fixture block 22 slide in the inside of fourth draw-in groove 19.
The moving block 2 is connected inside the magnet 1 in a sliding manner, the magnets 1 are installed at the top and the bottom of the moving block 2, the two magnets 1 are fixed with the moving block 2, the moving cavity 16 is installed inside the screw 5, the screw 5 and the moving cavity 16 are designed in an integrated manner, the moving rod 3 is installed inside the moving cavity 16, the moving rod 3 is connected inside the moving cavity 16 in a sliding manner, the mounting plate 17 is installed at the top of the moving rod 3, the mounting plate 17 and the screw 5 are designed in an integrated manner, the connecting rod 9 is installed on the surface of the moving rod 3, the moving rod 3 and the connecting rod 9 are designed in an integrated manner, the first fixture block 13 is installed inside the mounting plate 17, the first fixture block 13 is connected inside the moving block 2 in a sliding manner, the second fixture block 14 is installed on one side of the first fixture block 13, the first fixture block 13 and the second fixture block 14 are designed in an integrated manner, the moving plate 10 is, connecting rod 9 keeps away from the one end sliding connection of carriage release lever 3 in the inside of movable plate 10, and one side that the movable block 2 was kept away from to carriage release lever 3 is installed fixed slot 20, and carriage release lever 3 sliding connection has third fixture block 21 in the inside of fixed slot 20, and the internally mounted of fixed slot 20 has third fixture block 21, and the axle cross-sectional shape of third fixture block 21 and third card slot 18 is right angled triangle, and third fixture block 21 and third card slot 18 phase-match make fixed more convenient, and the security is higher.
The third fixture block 21 is slidably connected inside the screw 5, the fourth fixture block 22 is mounted on both sides of the third fixture block 21, the third fixture block 21 and the fourth fixture block 22 are designed in an integrated manner, the third slot 18 is mounted in the movable rod 3 at a position corresponding to the third fixture block 21, and the third slot 18 and the movable rod 3 are designed in an integrated manner.
The working principle is as follows: by rotating the screw 5, the screw 5 is clamped into the mounting frame 6, the magnet 1 slides into the moving groove 4, the moving block 2 is taken out, the moving rod 3 is extruded, the moving rod 3 moves inside the screw 5, one end of the moving rod 3 extends into the fixed groove 20, the moving rod 3 extrudes the inclined surface of the third fixture block 21, the third fixture block 21 moves towards the inside of the fifth fixture groove 24, after the moving rod 3 reaches the fixed groove 20, the third fixture block 21 is clamped into the inside of the third fixture groove 18 under the action of the second spring 23, the fixing of the moving rod 3 and the screw 5 is realized, the moving rod 3 moves with the connecting rod 9, one end of the connecting rod 9 is separated from the inside of the moving plate 10, the first spring 15 extrudes the moving plate 10, the first fixture block 13 is clamped into the inside of the mounting frame 6, the screw 5 and the mounting frame 6 are fixed again, and the first fixture block 13 is difficult to be taken out from the mounting frame 6, making it difficult to remove the screw 5 from the mounting bracket 6 by rotating the screw 5.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. The anti-theft screw fastener comprises a mounting frame (6) and is characterized in that screws (5) are mounted inside the mounting frame (6), the mounting frame (6) and the screws (5) are fixed through threads, a moving block (2) is mounted inside one side, far away from the mounting frame (6), of each screw (5), the moving block (2) is connected inside a magnet (1) in a sliding mode, the magnets (1) are mounted at the top and the bottom of the moving block (2), the two magnets (1) are fixed with the moving block (2), a moving cavity (16) is mounted inside each screw (5), the screws (5) and the moving cavity (16) are designed in an integrated mode, a moving rod (3) is mounted inside the moving cavity (16), the moving rod (3) is connected inside the moving cavity (16) in a sliding mode, a mounting plate (17) is mounted at the top of the moving rod (3), the mounting plate (17) and the screw (5) are designed in an integrated manner, the connecting rod (9) is mounted on the surface of the moving rod (3), the moving rod (3) and the connecting rod (9) are designed in an integrated manner, the first clamping block (13) is mounted inside the mounting plate (17), the first clamping block (13) is connected to the inside of the moving block (2) in a sliding manner, the second clamping block (14) is mounted on one side of the first clamping block (13), the first clamping block (13) and the second clamping block (14) are designed in an integrated manner, the moving plate (10) is mounted at the bottom of the first clamping block (13), the first clamping block (13) is attached to the moving plate (10), one end, far away from the moving rod (3), of the connecting rod (9) is connected to the inside of the moving plate (10) in a sliding manner, the fixing groove (20) is mounted on one side, far away from the, moving rod (3) sliding connection is in the inside of fixed slot (20), the internally mounted of fixed slot (20) has third fixture block (21), third fixture block (21) sliding connection is in the inside of screw (5), fourth fixture block (22) are all installed to the both sides of third fixture block (21), third fixture block (21) are the integral type design with fourth fixture block (22), third draw-in groove (18) are installed to the position that the inside of moving rod (3) corresponds third fixture block (21), third draw-in groove (18) are the integral type design with moving rod (3).
2. The screw fastener for theft prevention according to claim 1, wherein a moving groove (4) is installed in the screw (5) at a position corresponding to the magnet (1), the magnet (1) is slidably connected to the inside of the moving groove (4), an installation groove (7) is installed in the moving block (2), and the axial cross-sectional shape of the installation groove (7) is a regular hexagon.
3. The anti-theft screw fastener according to claim 1, characterized in that a through groove (8) is installed in the moving block (2) at a position corresponding to the moving rod (3), the through groove (8) and the moving block (2) are designed in an integrated manner, the through groove (8) is matched with the moving rod (3), a first clamping groove (11) is installed in the screw (5) at a position corresponding to a first clamping block (13), the first clamping block (13) is slidably connected to the inside of the first clamping groove (11), and the axial cross-section of the first clamping block (13) is in a shape of a right triangle.
4. The screw fastener for theft prevention according to claim 1, wherein a second locking groove (12) is installed in the screw (5) at a position corresponding to a second locking block (14), the second locking block (14) is slidably connected to the inside of the second locking groove (12), the second locking groove (12) and the screw (5) are designed in an integrated manner, a first spring (15) is installed at the bottom of the moving plate (10), and the first spring (15) is welded with the moving plate (10).
5. The screw fastener for preventing burglary according to claim 1, wherein a fourth clamping groove (19) is installed in the screw (5) at a position corresponding to a fourth clamping block (22), the fourth clamping block (22) is slidably connected to the inside of the fourth clamping groove (19), a fifth clamping groove (24) is installed in the screw (5) at a position corresponding to a third clamping block (21), the fifth clamping groove (24) and the screw (5) are designed in an integrated manner, a second spring (23) is installed in the fifth clamping groove (24), and the second spring (23) is welded to the third clamping block (21).
6. The screw fastener for theft prevention according to claim 1, wherein the axial cross-sectional shapes of the third block (21) and the third slot (18) are right triangles, and the third block (21) is matched with the third slot (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021074625.XU CN212509170U (en) | 2020-06-12 | 2020-06-12 | Screw fastener for theft prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021074625.XU CN212509170U (en) | 2020-06-12 | 2020-06-12 | Screw fastener for theft prevention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509170U true CN212509170U (en) | 2021-02-09 |
Family
ID=74395878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021074625.XU Active CN212509170U (en) | 2020-06-12 | 2020-06-12 | Screw fastener for theft prevention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483007A (en) * | 2021-08-11 | 2021-10-08 | 常州宜轩五金有限公司 | Automatic locking screw |
-
2020
- 2020-06-12 CN CN202021074625.XU patent/CN212509170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483007A (en) * | 2021-08-11 | 2021-10-08 | 常州宜轩五金有限公司 | Automatic locking screw |
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