CN215634298U

CN215634298U - Replaceable anti-theft nut

Info

Publication number: CN215634298U
Application number: CN202122157729.8U
Authority: CN
Inventors: 刘碧耀
Original assignee: Changzhou Superrays Auto Accessories Co ltd
Current assignee: Changzhou Superrays Auto Accessories Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-25
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a replaceable anti-theft nut which comprises a nut body, wherein a lock cylinder is rotatably arranged in one side of the nut body, a key hole is formed in the lock cylinder, a lower marble is arranged at the upper part of the lock cylinder in a penetrating mode, a vertical groove is formed in the nut body corresponding to the upper side of the lower marble, a spring is arranged in the vertical groove, the lower end of the spring is connected with an upper marble, the lower end of the upper marble is correspondingly pressed on the upper surface of the lower marble, one end of the lock cylinder is connected with a limiting column in a switching mode, and the limiting column correspondingly penetrates through the inner wall of the nut body. According to the anti-theft lock, the lock body structure is arranged in one side of the nut structure, one end of the lock core structure in the lock body is connected with the limiting column in a switching mode, the limiting column is clamped on the surface of the screw rod to fix the nut, corresponding anti-theft operation is achieved, the limiting column can be drawn back by configuring a corresponding key to drive the lock core to rotate, corresponding nut rotating operation can be conducted at the moment, and corresponding replaceable operation is achieved.

Description

Replaceable anti-theft nut

Technical Field

The utility model relates to the field of anti-theft nuts, in particular to a replaceable anti-theft nut.

Background

The fastener is a mechanical part which is used for fastening and connecting and has wide application, the fastener has wide application industries, including the industries of energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, molds, hydraulic pressure and the like, various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, articles and the like, the fastener is a mechanical basic part which has the most wide application, the fastener which is most common in life is a nut and screw fastening structure, and the nut occupies an important position.

The structure of nut itself sets up singlely, only need provide with the rotation hole site of screw rod can, this just also leads to the nut and after the screw rod fastening, can directly realize corresponding dismantlement through rotating the nut, receive great use limitation, when using on comparatively secret device, stolen phenomenon appears easily, can't realize corresponding theftproof operation, current nut structure itself does not possess the theftproof function, although make through the welding between nut and the screw rod fixed can realize the theftproof, but can't carry out the later stage change of nut, the practicality is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that after the existing nut is fastened with a screw rod, the corresponding disassembly can be realized directly by rotating the nut, the existing nut is limited in use, the existing nut is easy to be stolen when used on a relatively confidential device, and the corresponding anti-theft operation cannot be realized.

The technical scheme adopted by the utility model is as follows:

a replaceable anti-theft nut comprises a nut body, wherein a lock cylinder is rotatably arranged in one side of the nut body, a keyhole is arranged in the lock cylinder, a lower marble is arranged in the upper portion of the lock cylinder in a penetrating mode, a vertical groove is formed in the nut body and corresponds to the upper side of the lower marble, a spring is arranged in the vertical groove, the lower end of the spring is connected with an upper marble, the lower end of the upper marble is correspondingly pressed on the upper surface of the lower marble, one end of the lock cylinder is connected with a limiting column in a switching mode, and the limiting column correspondingly penetrates through the inner wall of the nut body.

The key hole is correspondingly arranged in the middle of the inner part of one side of the lock core, and the end face of the outer side of the lock core is the same as the surface of the side surface of the nut body.

The lower spring bodies penetrate through the upper portion of the lock core, the four lower spring bodies are different in length, and the lower ends of the lower spring bodies correspondingly penetrate through the key hole.

The vertical grooves are four in the nut body and are arranged above the lower marbles correspondingly, the upper ends of the springs are correspondingly and fixedly connected to the top ends of the vertical grooves, and the lower ends of the springs are correspondingly and fixedly connected to the upper ends of the upper marbles.

The upper part of the lock core is provided with a through hole corresponding to the lower marble, and the binding surface of the upper marble and the lower marble is positioned on the lower side of the upper surface of the lock core.

The middle part of one end of the lock cylinder is fixedly provided with a switching cylinder, and one end of the limiting column is correspondingly switched inside the switching cylinder.

The upper side and the lower side of one end, penetrating through the inner wall of the nut body, of the limiting column are provided with positioning grooves, and corresponding positioning convex strips are arranged on the upper side and the lower side of a through hole of the limiting column on the nut body.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. in the replaceable anti-theft nut, a lock body structure is arranged in one side of the nut structure, one end of a lock core structure in the lock body is connected with a limiting column in a switching mode, the limiting column is clamped on the surface of a screw rod to fix the nut, corresponding anti-theft operation is achieved, the limiting column can be drawn back by configuring a corresponding key to drive the lock core to rotate, corresponding nut rotating operation can be conducted at the moment, and corresponding replaceable operation is achieved.

2. In the replaceable anti-theft nut, the lock body additionally arranged in the nut structure is simple in structure, has the same principle as a common lock body, and is high in practicability, good in anti-theft effect, wide in application range and low in overall manufacturing cost.

Drawings

FIG. 1 is a side sectional view of a replaceable anti-theft nut;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a front view of a replaceable anti-theft nut;

fig. 4 is a side view of a stop post of the replaceable anti-theft nut.

The labels in the figure are: 1. a nut body; 2. a lock cylinder; 3. a keyhole; 5. a limiting column; 6. discharging the marble; 7. erecting a groove; 8. a spring; 9. mounting a marble; 10. a transfer cylinder; 11. and (6) positioning a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Embodiment 1, refer to fig. 1 to 4, a replaceable antitheft nut includes a nut body 1, a lock cylinder 2 is rotatably disposed inside one side of the nut body 1, a key hole 3 is disposed inside the lock cylinder 2, a lower pin 6 is disposed at an upper position of the lock cylinder 2 in a penetrating manner, a vertical groove 7 is disposed inside the nut body 1 corresponding to an upper side of the lower pin 6, a spring 8 is disposed inside the vertical groove 7, a lower end of the spring 8 is connected with an upper pin 9, a lower end of the upper pin 9 is correspondingly pressed on an upper surface of the lower pin 6, one end of the lock cylinder 2 is connected to a limit post 5, and the limit post 5 corresponds to an inner wall of the nut body 1 in a penetrating manner.

By adopting the technical scheme:

the lock core 2, the keyhole 3, the lower marble 6, the spring 8 and the upper marble 9 form a corresponding lock body structure, a premise is provided for theft prevention, the limiting column 5 is connected to the end part of the lock core 2 in a switching mode, the limiting column 5 can retract by configuring a corresponding key to drive the lock core 2 to rotate, and therefore the locking state can be relieved, corresponding replacement operation of the nut body 1 can be conducted at the moment, and similarly, when the key drives the lock core 2 to return to the original position, the limiting column 5 is ejected out, relative fixation between the limiting column 5 and a screw is achieved, and corresponding theft prevention operation is achieved.

Embodiment 2, referring to fig. 1 to 4, the key hole 3 is correspondingly arranged at the middle position inside one side of the lock cylinder 2, and the outer side end face of the lock cylinder 2 is flush with the side surface of the nut body 1.

By adopting the technical scheme:

the end part of the lock cylinder 2 is ensured not to protrude out of the surface of the nut body 1, and the influence on the rotation adjustment of the nut body 1 is avoided.

Embodiment 3, referring to fig. 1 to 4, four lower pins 6 are provided at the upper portion of the key cylinder 2, the length settings of the four lower pins 6 are different, and the lower ends of the lower pins 6 correspondingly penetrate into the key hole 3.

By adopting the technical scheme:

the unlocking difficulty of the lock body can be influenced by the number of the lower marbles 6, and the more the number of the lower marbles 6 is, the better the anti-theft performance is.

In embodiment 4, referring to fig. 1 to 4, four vertical grooves 7 are provided in the nut body 1 corresponding to the upper portions of the lower pins 6, the upper ends of the springs 8 are correspondingly and fixedly connected to the top ends of the vertical grooves 7, and the lower ends of the springs 8 are correspondingly and fixedly connected to the upper ends of the upper pins 9.

By adopting the technical scheme:

the positions of the spring 8 and the upper marble 9 are ensured to be stable, and the phenomenon that the upper marble 9 falls off when the spring 8 is damaged is avoided.

Embodiment 5, referring to fig. 1 to 4, a through hole is formed in an upper position of the key cylinder 2 corresponding to the lower pin 6, and a contact surface between the upper pin 9 and the lower pin 6 is located below an upper surface of the key cylinder 2.

By adopting the technical scheme:

the upper part and the lower part of the upper marble 9 are ensured to be positioned in the vertical groove 7 and the through hole, and the corresponding locking effect is realized.

Embodiment 6, referring to fig. 1 to 4, an adapter cylinder 10 is fixedly disposed at a middle position of one end of the lock cylinder 2, and one end of the limiting column 5 is correspondingly adapted inside the adapter cylinder 10.

By adopting the technical scheme:

through setting up corresponding switching relation, when lock core 2 rotated, can realize spacing shrink operation of spacing post 5.

Embodiment 7, referring to fig. 1 to 4, the upper and lower sides of one end of the limiting column 5 penetrating through the inner wall of the nut body 1 are provided with positioning grooves 11, and the upper and lower sides of the through hole of the limiting column 5 on the nut body 1 are provided with corresponding positioning protruding strips.

By adopting the technical scheme:

the limit column 5 can not synchronously rotate with the lock cylinder 2, so that corresponding locking and loosening operations are realized.

The working principle is as follows: referring to fig. 1-4, when the nut body 1 is used, a corresponding key is inserted into the lock cylinder 2, the lock cylinder 2 is rotated to contract the position-limiting post 5, at this time, the nut body 1 can be rotated by a wrench at one side back to the lock cylinder 2, thereby carrying out corresponding locking operation, after the nut is locked, the limiting column 5 is ejected out by reversely rotating the lock core 2, thereby the limit clamp is arranged on the surface of the screw rod with the limit groove, the key can be pulled out at the moment, the nut body 1 realizes the fixation under the limit action between the limit column 5 and the screw rod, the nut body 1 can not correspondingly rotate under the condition of no key, thereby reach the theftproof effect, when later stage replacement nut body 1, only need corresponding key to insert lock core 2 and carry out the antiport, then loosen nut body 1 can, the practicality is higher.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A replaceable anti-theft nut comprises a nut body (1), and is characterized in that: the nut is characterized in that a lock cylinder (2) is rotatably arranged in one side of the nut body (1), a key hole (3) is formed in the lock cylinder (2), a lower marble (6) penetrates through the upper portion of the lock cylinder (2), a vertical groove (7) is formed in the nut body (1) corresponding to the upper side of the lower marble (6), a spring (8) is arranged in the vertical groove (7), the lower end of the spring (8) is connected with an upper marble (9), the lower end of the upper marble (9) is correspondingly pressed on the upper surface of the lower marble (6), one end of the lock cylinder (2) is connected with a limiting column (5) in a switching mode, and the limiting column (5) correspondingly penetrates through the inner wall of the nut body (1).

2. The replaceable anti-theft nut of claim 1, wherein: the key hole (3) is correspondingly arranged in the middle of the inner part of one side of the lock cylinder (2), and the end face of the outer side of the lock cylinder (2) is the same as the surface of the side surface of the nut body (1).

3. The replaceable anti-theft nut of claim 1, wherein: the lower marbles (6) are arranged at the upper part of the lock core (2) in a penetrating mode, the length of the four lower marbles (6) is different, and the lower ends of the lower marbles (6) correspondingly penetrate into the key hole (3).

4. The replaceable anti-theft nut of claim 1, wherein: four vertical grooves (7) are arranged in the nut body (1) and correspond to the upper portions of the lower marbles (6), the upper ends of the springs (8) are correspondingly and fixedly connected to the top ends of the vertical grooves (7), and the lower ends of the springs (8) are correspondingly and fixedly connected to the upper ends of the upper marbles (9).

5. The replaceable anti-theft nut of claim 1, wherein: the upper part of the lock core (2) is provided with a through hole corresponding to the lower marble (6), and the binding surface of the upper marble (9) and the lower marble (6) is positioned at the lower side of the upper surface of the lock core (2).

6. The replaceable anti-theft nut of claim 1, wherein: the middle part of one end of the lock cylinder (2) is fixedly provided with a switching cylinder (10), and one end of the limiting column (5) is correspondingly switched in the switching cylinder (10).

7. The replaceable anti-theft nut of claim 1, wherein: the locating groove is characterized in that the locating groove (11) is arranged at the upper side and the lower side of one end, penetrating through the inner wall of the nut body (1), of the limiting column (5) in the nut body (1), and corresponding locating convex strips are arranged on the upper side and the lower side of a through hole of the limiting column (5).