CN213017185U - Anti-theft anti-loosening screw capable of being twisted off - Google Patents
Anti-theft anti-loosening screw capable of being twisted off Download PDFInfo
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- CN213017185U CN213017185U CN202021169285.9U CN202021169285U CN213017185U CN 213017185 U CN213017185 U CN 213017185U CN 202021169285 U CN202021169285 U CN 202021169285U CN 213017185 U CN213017185 U CN 213017185U
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- fixed
- twist
- fastening nut
- spiral shell
- shell body
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Abstract
The utility model discloses a can twist off theftproof check screw, including the fixed spiral shell body, connect flat the pad, the fixed cover that is provided with of lower extreme all around of fixed spiral shell body outside, fixed spiral shell body outside middle and upper end is fixed to be provided with the fastening bullet pad, the fixed bottom fastening nut that is provided with in fixed spiral shell body top, connect flat to fill up the fixed fastening bullet pad that is provided with between top and the bottom fastening nut bottom, fixed spiral shell body upper end is located fastening bullet pad middle part, and bottom fastening nut upper end is fixed and is provided with the connecting block. The utility model discloses install fixedly through upper fastening nut when installing fixed spiral shell body, and because torsion installation piece is radius platform structure after the installation is fixed, then the bottom diameter size of torsion installation piece can reach the effect of twist-off when reaching certain size, thereby and the moment that external force has how big correspondence has how big twist-off, and twist-off mainly is moment and size external diameter decision, thereby just installing the piece to torsion and twist off the effect that reaches the theftproof.
Description
Technical Field
The utility model relates to a theftproof check screw technical field specifically is a theftproof check screw that can twist off.
Background
Screws are commonly used in machinery, electrical appliances, buildings and the like, are generally made of metal or plastic, are cylindrical, and have grooves with concave and convex surfaces engraved with threads, and the main function of the screws is to joint two objects or fix the position of one object, and the screws can be removed or re-embedded at will without losing the efficiency;
the traditional twist-off anti-theft anti-loose screw has the following defects;
at present, screws are very common and important parts in many industries, and the existing screws are easy to loosen and fall off after being installed and fixed for a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but twist-off theftproof check screw to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can twist off theftproof check screw, includes the fixed spiral shell body, connects flat pad, the fixed cover that is provided with of lower extreme all around of fixed spiral shell body outside, the fixed fastening bullet pad that is provided with in fixed spiral shell body outside upper end, the fixed bottom fastening nut that is provided with in fixed spiral shell body top, connect and fix and be provided with the fastening bullet pad between flat pad top and the bottom fastening nut bottom, fixed spiral shell body upper end is located fastening bullet pad middle part, the fixed connecting block that is provided with in bottom fastening nut upper end, the fixed connection mounting panel that is provided with in connecting block top, connect the fixed torsion installation piece that is provided with in mounting panel upper end, the fixed block that is provided with in torsion installation piece top, the fixed upper fastening.
Preferably, the middle part of one side of the outer part of the connecting flat cushion is provided with an installation notch.
Preferably, the torsion mounting block is of an inverted truncated cone structure.
Preferably, the fastening elastic pad is made of elastic metal materials.
Preferably, the bottom layer fastening nut, the connecting block, the fixing screw body and the connecting and mounting plate are all made of zinc-nickel alloy materials.
Preferably, the bottom layer fastening nut and the upper layer fastening nut are both frosted.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses install fixedly through upper fastening nut when installing the fixed spiral shell body, and after the installation is fixed because the torsion installation piece is the inverted round platform structure, the effect of twist-off can be reached when the bottom diameter size of torsion installation piece reaches certain size, and how big moment that external force has corresponding is so that twist-off, and twist-off mainly moment and size external diameter determine, and twist-off the torsion installation piece and reach the effect of theftproof;
2. the utility model discloses simultaneously when installing fixed spiral shell body earlier install fixed spiral shell body outside upper end and fastening bullet pad bottom contact to connecting the flat pad and installing fixed spiral shell body outside upper end again to fastening bullet pad earlier when installing, and will extrude fastening bullet pad when fixed spiral shell body spiral shell moves the installation, when the fixed back of fixed spiral shell body installation loses the pressure when installing fastening bullet pad rebound through self elastic metal's nature and resets, then will increase the frictional force between fixed spiral shell body and the installation thread inslot portion and the fastening prevents the not hard up condition from appearing.
Drawings
Fig. 1 is a schematic view of the whole structure of a twist-off anti-theft anti-loose screw of the present invention;
FIG. 2 is a perspective view of the whole outer part of a twist-off anti-theft anti-loosening screw according to the present invention;
fig. 3 is a structural diagram of the connection flat pad and the mounting notch overlooking in the twist-off anti-theft anti-loose screw of the utility model.
In the figure: 1. fixing a sleeve; 2. fixing the screw body; 3. connecting the flat pad; 4. fastening the elastic pad; 5. a bottom layer fastening nut; 6. connecting blocks; 7. connecting the mounting plate; 8. a fixed block; 9. an upper layer fastening nut; 10. a torsion mounting block; 11. and installing a notch.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a can twist off theftproof check screw, including the fixed spiral shell body 2, connect flat pad 3, the outside lower extreme fixed mounting all around of the fixed spiral shell body 2 has fixed cover 1, fixed spiral shell body 2 outside middle upper end fixed mounting has fastening bullet pad 4, fixed spiral shell body 2 top fixed mounting has bottom fastening nut 5, fixed mounting has fastening bullet pad 4 between 3 tops of connection flat pad and bottom fastening nut 5 bottoms, 2 upper ends of fixed spiral shell body are located fastening bullet pad 4 middle parts, 5 upper end fixed mounting of bottom fastening nut has connecting block 6, 6 top fixed mounting on connecting block have connection mounting panel 7, 7 upper end fixed mounting of connection mounting panel has torsion installation piece 10, 10 top fixed mounting of torsion installation piece has fixed block 8, 8 top fixed mounting of fixed block has upper fastening nut 9.
The middle part of one side of the outer part of the connecting flat gasket 3 is provided with a mounting notch 11, so that the connecting flat gasket 3 is conveniently mounted and fixed through the mounting notch 11; the torque mounting block 10 is of an inverted frustum structure, so that the fixing screw body 2 is fixedly mounted through the upper-layer fastening nut 9 during mounting, and after mounting and fixing, due to the fact that the torque mounting block 10 is of the inverted frustum structure, the bottom diameter of the torque mounting block 10 can achieve the twisting-off effect when reaching a certain size, the torque corresponding to the magnitude of external force is large, so that the torque mounting block is twisted off, the twisting-off is mainly determined by the torque and the size outer diameter, and the torque mounting block 10 is twisted off, so that the anti-theft effect is achieved; the fastening elastic pad 4 is made of elastic metal materials, so that when the fixed screw body 2 is installed, the fastening elastic pad 4 is installed at the upper end of the outer part of the fixed screw body 2, then the connecting flat pad 3 is installed at the upper end of the outer part of the fixed screw body 2 and is contacted with the bottom end of the fastening elastic pad 4, the fastening elastic pad 4 can be extruded when the fixed screw body 2 is installed in a screwing mode, when the pressure generated when the fixed screw body 2 is installed and fixed and then is lost, the fastening elastic pad 4 can be rebounded and reset through the property of the elastic metal of the fastening elastic pad 4, and the friction force and the fastening performance between the fixed screw body 2 and the inner part of the installation screw groove can be increased to prevent the loosening condition; the bottom layer fastening nut 5, the connecting block 6, the fixing screw body 2 and the connecting and mounting plate 7 are all made of zinc-nickel alloy materials, so that the materials are firm and light, and the service life of the fixing screw body is prolonged; the bottom layer fastening nut 5 and the upper layer fastening nut 9 are both frosted externally, and the frosted processing is convenient for increasing the friction force during installation.
The working principle is as follows: the utility model installs and fixes the fixed screw body 2 through the upper fastening nut 9, and after the installation and fixation, because the torsion installation block 10 is of the inverted frustum structure, the bottom diameter size of the torsion installation block 10 can reach the twisting-off effect when reaching a certain size, and the torque corresponding to the external force is large, and the twisting-off is mainly determined by the torque and the size outer diameter, and the anti-theft effect is achieved by twisting off the torsion installation block 10, meanwhile, when installing the fixed screw body 2, the fastening elastic pad 4 is firstly installed on the upper outer end of the fixed screw body 2, then the connection flat pad 3 is installed on the upper outer end of the fixed screw body 2 and is contacted with the bottom end of the fastening elastic pad 4, and when the fixed screw body 2 is installed in a screwing way, the fastening elastic pad 4 is extruded when the pressure is lost when the fixed screw body 2 is installed and fixed, the fastening elastic pad 4 is rebounded and reset through the property of the elastic metal, the frictional force and the fastening between the fixing screw body 2 and the inside of the installation screw groove are increased to prevent the occurrence of loosening.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a but twist-off theftproof check screw, includes fixed spiral shell (2), connects flat pad (3), its characterized in that: the lower end of the periphery of the outer part of the fixed screw body (2) is fixedly provided with a fixed sleeve (1), a fastening elastic pad (4) is fixedly arranged at the upper end of the outer part of the fixed screw body (2), a bottom layer fastening nut (5) is fixedly arranged at the top end of the fixed screw body (2), a fastening elastic pad (4) is fixedly arranged between the top end of the connecting flat pad (3) and the bottom end of the bottom layer fastening nut (5), the upper end of the fixed screw body (2) is positioned in the middle of the fastening elastic pad (4), the upper end of the bottom layer fastening nut (5) is fixedly provided with a connecting block (6), a connecting mounting plate (7) is fixedly arranged at the top end of the connecting block (6), a torsion mounting block (10) is fixedly arranged at the upper end of the connecting mounting plate (7), the torsion mounting block (10) is fixedly provided with a fixed block (8) at the top end, and an upper-layer fastening nut (9) is fixedly arranged at the top end of the fixed block (8).
2. A twist-off anti-theft lock screw as claimed in claim 1, wherein: the middle part of one side of the outer part of the connecting flat cushion (3) is provided with an installation notch (11).
3. A twist-off anti-theft lock screw as claimed in claim 1, wherein: the torsion mounting block (10) is of an inverted frustum structure.
4. A twist-off anti-theft lock screw as claimed in claim 1, wherein: the fastening elastic pad (4) is made of elastic metal materials.
5. A twist-off anti-theft lock screw as claimed in claim 1, wherein: the bottom layer fastening nut (5), the connecting block (6), the fixing screw body (2) and the connecting and mounting plate (7) are all made of zinc-nickel alloy materials.
6. A twist-off anti-theft lock screw as claimed in claim 1, wherein: the outer parts of the bottom layer fastening nut (5) and the upper layer fastening nut (9) are all processed by sanding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021169285.9U CN213017185U (en) | 2020-06-22 | 2020-06-22 | Anti-theft anti-loosening screw capable of being twisted off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021169285.9U CN213017185U (en) | 2020-06-22 | 2020-06-22 | Anti-theft anti-loosening screw capable of being twisted off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017185U true CN213017185U (en) | 2021-04-20 |
Family
ID=75497058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021169285.9U Active CN213017185U (en) | 2020-06-22 | 2020-06-22 | Anti-theft anti-loosening screw capable of being twisted off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213017185U (en) |
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2020
- 2020-06-22 CN CN202021169285.9U patent/CN213017185U/en active Active
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