CN211314816U - Replaceable anti-theft nut - Google Patents
Replaceable anti-theft nut Download PDFInfo
- Publication number
- CN211314816U CN211314816U CN201922020733.2U CN201922020733U CN211314816U CN 211314816 U CN211314816 U CN 211314816U CN 201922020733 U CN201922020733 U CN 201922020733U CN 211314816 U CN211314816 U CN 211314816U
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- groove
- fixed
- nut
- block
- spring
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Abstract
The utility model relates to a technical and mechanical fastener technical field, and a removable formula antitheft nut is disclosed, including nut main part and double-screw bolt, nut main part and double-screw bolt threaded connection, the fixed slot has been seted up on the inside wall of nut main part, a plurality of draw-in groove has been seted up to the position that the double-screw bolt corresponds the fixed slot, the tank bottom fixedly connected with spring of fixed slot, the one end fixed connection at the fixed block of fixed slot tank bottom is kept away from to the spring, fixed block and fixed slot sliding connection, the one end that the spring was kept away from to the fixed block passes the notch of fixed slot and inwards extends in the draw-in groove, the movable slot has been seted up to the position that the nut main part corresponds the fixed slot outward, sliding connection has the magnetic block in the movable slot, the fixed block is close to the one. The utility model discloses make can the nut main part play removable effect, and can repetitious usage.
Description
Technical Field
The utility model relates to a technical and mechanical fastener technical field especially relates to a removable formula antitheft nut.
Background
According to the existing anti-theft nut in the market, a screw hole penetrating through the nut body is formed in the nut body, threads are arranged on the inner surface of the screw hole, a blind groove is formed in the inner surface of the screw hole, balls or roller pins are arranged in the blind groove, a plastic inner ring is installed in the screw hole before use, and the plastic inner ring is ejected out by a screw when the anti-theft nut is used. The anti-theft nut has the advantages of simple anti-theft structure, stable performance and high popularity of the majority of users because the standard nut structure is not changed and the mechanical fastening strength of the nut is not weakened. But has the following disadvantages: when the nut is rotated reversely, the roller pins or the balls are driven to roll into the blind groove, the roller pins or the balls are clamped in the blind groove, the nut cannot be unscrewed, the anti-theft effect is achieved, the nut cannot be changed again, when the nut needs to be changed or equipment using the nut needs to be changed for maintenance, the nut or the screw can only be electrically welded and cut off, the cost is increased, and the time is spent.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the anti-theft nut can not be replaced in the prior art and providing a replaceable anti-theft nut.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a replaceable anti-theft nut comprises a nut main body and a stud, wherein the nut main body is in threaded connection with the stud, the inner side wall of the nut body is provided with a fixed groove, the stud is provided with a plurality of clamping grooves corresponding to the fixed groove, the bottom of the fixed groove is fixedly connected with a spring, one end of the spring, which is far away from the bottom of the fixed groove, is fixedly connected with a fixed block, the fixed block is connected with the fixed groove in a sliding way, one end of the fixed block, which is far away from the spring, penetrates through the notch of the fixed groove and extends into the clamping groove, a moving groove is arranged at the position corresponding to the fixed groove outside the nut body, a magnetic block is connected in the moving groove in a sliding way, the one end fixedly connected with slide bar that the fixed block is close to the spring, the one end that the fixed block was kept away from to the slide bar passes the tank bottom of spring and fixed slot in proper order and extends to moving the inslot, and fixed connection is on the corresponding position of magnetic block.
Preferably, the limiting groove has been seted up to the symmetry on the cell wall of fixed slot, sliding connection has the stopper in the limiting groove, the one end that the limiting groove tank bottom was kept away from to the stopper passes the notch of limiting groove and outwards extends, and fixed connection is on the corresponding position of fixed block.
Preferably, the limiting block is close to the one end of the limiting groove bottom and is provided with a ball groove, the ball groove is connected with a ball in a rolling manner, and one end, far away from the ball groove bottom, of the ball penetrates through the notch of the ball groove and extends outwards and is connected with the groove bottom of the limiting groove in a rolling manner.
Preferably, the diameter of the ball is larger than the caliber of the notch of the ball groove.
Preferably, a protection plate is fixedly connected to a position, close to the notch, in the moving groove, and the protection plate is made of a non-magnetic material.
Preferably, the surface of the nut body is coated with an anticorrosive coating.
Compared with the prior art, the utility model provides a removable formula antitheft nut possesses following beneficial effect:
1. the replaceable anti-theft nut is provided with a nut main body, a stud, a fixed groove, a clamping groove, a spring, a fixed block, a movable groove, a magnetic block and a sliding rod, when the nut main body needs to be screwed, a special spanner needs to be used, the position of the special wrench corresponding to the magnetic block is provided with the strong magnet, the special wrench can play a good role in theft prevention, under the adsorption of the strong magnet, the magnetic block pulls the slide bar upwards, the slide bar drives the fixed block to retract into the fixed groove, and simultaneously the spring is compressed, then the nut body and the stud can be screwed together, when the nut body and the stud are screwed to a proper position, the fixing block is aligned to the position of the clamping groove, then the wrench is taken down, under the effect of spring, the fixed block card is gone into in the draw-in groove, when needs are dismantled, uses specific spanner also to dismantle for can play removable effect by the nut main part, and can repetitious usage.
2. This removable formula antitheft nut through setting up spacing groove and stopper, when the fixed block removed in the fixed slot, the fixed block had driven the stopper and removed along the direction of spacing groove, lets the fixed block remove ground reliable and stable more.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make can the nut main part play removable effect, and can repetitious usage.
Drawings
Fig. 1 is a schematic structural view of a replaceable anti-theft nut according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 2.
In the figure: the nut comprises a nut body 1, a stud 2, a fixing groove 3, a clamping groove 4, a spring 5, a fixing block 6, a moving groove 7, a magnetic block 8, a sliding rod 9, a limiting groove 10, a limiting block 11, a ball groove 12, balls 13 and a protection plate 14.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a replaceable anti-theft nut comprises a nut body 1 and a stud 2, the nut body 1 is in threaded connection with the stud 2, a fixed groove 3 is formed on the inner side wall of the nut body 1, a plurality of clamping grooves 4 are formed in positions of the stud 2 corresponding to the fixed groove 3, a spring 5 is fixedly connected to the bottom of the fixed groove 3, one end of the spring 5, which is far away from the bottom of the fixed groove 3, is fixedly connected to a fixed block 6, the fixed block 6 is in sliding connection with the fixed groove 3, one end of the fixed block 6, which is far away from the spring 5, penetrates through a notch of the fixed groove 3 and extends into the clamping grooves 4, a moving groove 7 is formed in a position of the nut body 1, which corresponds to the fixed groove 3, a magnetic block 8 is slidably connected to the moving groove 7, one end of the fixed block 6, and fixed connection is on the corresponding position of magnetic block 8, when needs are twisted nut main part 1, need to use specific spanner, be equipped with strong magnet on the position that this specific spanner corresponds magnetic block 8, specific spanner can play fine theftproof effect, under strong magnet's absorption, magnetic block 8 upwards pulls slide bar 9, slide bar 9 drives fixed block 6 and contracts in fixed slot 3, spring 5 has been compressed simultaneously, then can be in the same place nut main part 1 and double-screw bolt 2 soon, when revolving to suitable position, make fixed block 6 aim at the position of draw-in groove 4, then take off the spanner, under the effect of spring 5, fixed block 6 blocks into draw-in groove 4, when needs are dismantled, use specific spanner also to dismantle, make nut main part 1 play removable effect, and can repetitious usage.
The ball groove 12 has been seted up to the one end that stopper 11 is close to the spacing groove 10 tank bottom, and ball 13 is connected with in the ball groove 12 roll, and ball 13 keeps away from the one end of ball groove 12 tank bottom and passes the notch of ball groove 12 and outwards extend, and with the tank bottom roll connection of spacing groove 10 for stopper 11 removes more smoothly in spacing groove 10.
The diameter of the ball 13 is larger than the caliber of the notch of the ball groove 12, and the ball 13 is prevented from being separated from the ball groove 12.
A protection plate 14 is fixedly connected to a position close to the notch in the moving groove 7, and the protection plate 14 is made of a non-magnetic material and prevents dust from entering the moving groove 7.
The surface of the nut body 1 is coated with an anticorrosive coating, so that the nut body plays an anticorrosive role.
In the utility model, when the nut body 1 needs to be screwed, a specific wrench needs to be used, a strong magnet is arranged at the position of the specific wrench corresponding to the magnetic block 8, the specific wrench can play a good anti-theft role, under the adsorption of the strong magnet, the magnetic block 8 pulls the slide bar 9 upwards, the slide bar 9 drives the fixed block 6 to retract into the fixed slot 3, meanwhile, the spring 5 is compressed, then the nut body 1 and the stud 2 can be screwed together, when the nut body is screwed to a proper position, the fixed block 6 is aligned to the position of the clamping slot 4, then the wrench is taken down, under the action of the spring 5, the fixed block 6 is clamped into the clamping slot 4, when the nut body 1 needs to be disassembled, the nut body can be disassembled by using the specific wrench, the nut body 1 can play a replaceable role, and can be used for a plurality of times, when the fixed block 6 moves in the fixed slot 3, the fixed block 6 drives the limit block 11 to move along the direction, the fixed block 6 can move more stably and reliably.
The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A replaceable anti-theft nut comprises a nut main body (1) and a stud (2), and is characterized in that the nut main body (1) is in threaded connection with the stud (2), a fixed groove (3) is formed in the inner side wall of the nut main body (1), a plurality of clamping grooves (4) are formed in the position, corresponding to the fixed groove (3), of the stud (2), a spring (5) is fixedly connected to the bottom of the fixed groove (3), one end, far away from the bottom of the fixed groove (3), of the spring (5) is fixedly connected to a fixed block (6), the fixed block (6) is in sliding connection with the fixed groove (3), one end, far away from the spring (5), of the fixed block (6) penetrates through a notch of the fixed groove (3) and extends into the clamping grooves (4), a moving groove (7) is formed in the position, corresponding to the fixed groove (3), outside the nut main body (1), and a magnetic, fixed block (6) are close to one end fixedly connected with slide bar (9) of spring (5), the one end that fixed block (6) were kept away from in slide bar (9) passes the tank bottom of spring (5) and fixed slot (3) in proper order and extends to shifting chute (7), and fixed connection is on the corresponding position of magnetic block (8).
2. The replaceable anti-theft nut according to claim 1, wherein the groove wall of the fixing groove (3) is symmetrically provided with a limiting groove (10), a limiting block (11) is slidably connected in the limiting groove (10), and one end of the limiting block (11) far away from the groove bottom of the limiting groove (10) passes through the notch of the limiting groove (10) and extends outwards, and is fixedly connected to a corresponding position of the fixing block (6).
3. The replaceable anti-theft nut according to claim 2, characterized in that the end of the limiting block (11) close to the bottom of the limiting groove (10) is provided with a ball groove (12), a ball (13) is connected in the ball groove (12) in a rolling manner, and the end of the ball (13) far away from the bottom of the ball groove (12) passes through the notch of the ball groove (12) and extends outwards and is connected with the bottom of the limiting groove (10) in a rolling manner.
4. The replaceable anti-theft nut according to claim 3, characterized in that the diameter of the ball (13) is larger than the caliber of the opening of the ball groove (12).
5. The replaceable anti-theft nut according to claim 1, characterized in that a protection plate (14) is fixedly connected to the position close to the notch in the moving slot (7), and the protection plate (14) is made of non-magnetic material.
6. The replaceable anti-theft nut according to claim 1, characterized in that the surface of the nut body (1) is coated with an anti-corrosion coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922020733.2U CN211314816U (en) | 2019-11-21 | 2019-11-21 | Replaceable anti-theft nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922020733.2U CN211314816U (en) | 2019-11-21 | 2019-11-21 | Replaceable anti-theft nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314816U true CN211314816U (en) | 2020-08-21 |
Family
ID=72063485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922020733.2U Expired - Fee Related CN211314816U (en) | 2019-11-21 | 2019-11-21 | Replaceable anti-theft nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446298A (en) * | 2021-07-14 | 2021-09-28 | 吴自明 | Anti-theft fastening bolt and nut thereof |
-
2019
- 2019-11-21 CN CN201922020733.2U patent/CN211314816U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446298A (en) * | 2021-07-14 | 2021-09-28 | 吴自明 | Anti-theft fastening bolt and nut thereof |
| CN113446298B (en) * | 2021-07-14 | 2023-01-03 | 江苏永亚汽车零部件有限公司 | Anti-theft type fastener |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 Termination date: 20211121 |