CN220955124U

CN220955124U - Helmet lock

Info

Publication number: CN220955124U
Application number: CN202322711366.7U
Authority: CN
Inventors: 谭秋兰
Original assignee: Shenzhen Yingmei Technology Co ltd
Current assignee: Shenzhen Yingmei Technology Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-05-14
Anticipated expiration: 2033-10-10

Abstract

The application relates to the technical field of helmet accessories and discloses a helmet lock, which comprises a connecting seat, a lock shell, a lock cylinder, a key sheet, a lock rod, an elastic element and a locking piece, wherein the connecting seat is provided with a locking groove; the lock shell is arranged on the connecting seat, the lock shell is provided with a communication hole, the lock cylinder, the elastic element and the lock block are arranged in the lock shell, the lock hole of the lock cylinder extends to the outside, the lock block is in transmission connection with the lock cylinder, and part of the lock block extends to the communication hole; one end of the lock rod is hinged with the lock shell, and the other end of the lock rod is provided with a notch clamping part; the elastic element is used for driving the lock cylinder to move to a first position, when the lock cylinder is positioned at the first position, the other end of the lock rod passes through the communication hole and is connected with the lock block buckle, and the lock rod and the lock shell form a closed lock ring; the key piece drives the lock core to move to the second position through the lock hole, and when the lock core is positioned at the second position, the notch of the lock block and the lock rod are separated, and the lock ring is released. Simple structure and low manufacturing cost.

Description

Helmet lock

Technical Field

The application relates to the technical field of helmet accessories, in particular to a helmet lock.

Background

Vehicles such as electric motor cars and bicycles meet the green traveling demands of people, and helmets are indispensable tools for ensuring safety. Because bicycles, electric vehicles and the like have no more storage space, the placement and theft prevention of the helmet become a problem to be solved urgently. At present, a helmet lock is generally adopted to install and lock a helmet, and the existing helmet lock is complex in structure and high in manufacturing cost.

Disclosure of utility model

The application provides a helmet lock, which aims to solve the technical problems of complex structure and high manufacturing cost of the helmet lock in the prior art.

In order to solve the technical problems, the application provides a helmet lock, which comprises a connecting seat, a lock shell, a lock cylinder, a key sheet, a lock rod, an elastic element and a locking piece;

The lock shell is arranged on the connecting seat, a communication hole is formed in the lock shell, the lock cylinder, the elastic element and the lock block are arranged in the lock shell, a lock hole of the lock cylinder extends to the outside, the lock block is in transmission connection with the lock cylinder, and part of the lock block extends to the communication hole;

One end of the lock rod is hinged with the lock shell, and the other end of the lock rod is provided with a notch clamping part;

The elastic element is used for driving the lock cylinder to move to a first position, when the lock cylinder is positioned at the first position, the other end of the lock rod penetrates through the communication hole to be connected with the lock block in a buckling manner, and the lock rod and the lock shell form a closed lock ring;

The key piece drives the lock cylinder to move to a second position through the lock hole, and when the lock cylinder is positioned at the second position, the lock block is separated from the notch of the lock rod, and the closed lock ring is released.

Optionally, the elastic element is a torsion spring, and the torsion spring includes a torsion spring main body, an elastic rod and a fixing rod;

The lock block comprises a disc body, a lock hook and a mounting column, the disc body is in transmission connection with the lock cylinder, the lock hook and the mounting column are connected to the disc body, the lock hook extends to the communication hole, the mounting column is located on one surface, away from the lock cylinder, of the disc body, and a limiting groove is formed in the mounting column;

The torsion spring main body is sleeved on the mounting post, one end of the torsion spring main body extends to the middle of the torsion spring main body to form the fixing rod, the fixing rod is positioned in the limiting groove, the elastic rod abuts against the inner wall of the lock shell to drive the lock cylinder to move to a first position, and when the lock cylinder is positioned at the first position, the other end of the lock rod penetrates through the communication hole to be connected with the lock hook buckle, and the lock rod and the lock shell form a closed lock ring;

the key piece drives the lock cylinder to move to a second position through the lock hole, and when the lock cylinder is positioned at the second position, the lock hook is separated from the notch of the lock rod, and the closed lock ring is released.

Optionally, a guiding inclined plane is arranged on the side part of one end of the lock hook, which is close to the lock rod.

Optionally, the helmet lock further comprises a connecting rod, the connecting rod is arranged on the lock cylinder, a first positioning plane is arranged on the side face of the connecting rod, a connecting groove is formed in one face of the disc body, a second positioning plane matched with the first positioning plane is formed in the side wall of the connecting groove, and the disc body is sleeved on the connecting rod through the connecting groove.

Optionally, the helmet lock further comprises a guide plate, a circular groove is formed in the inner wall of the lock shell, one end of the guide plate is connected to the lock cylinder, the end portion of the other end of the guide plate is arc-shaped, and the other end of the guide plate is attached to the inner wall of the circular groove.

Compared with the prior art, in the helmet lock, the connecting seat is used for being connected to the handle of a bicycle or an electric vehicle. The lock core and the key sheet are mutually matched, and the key sheet is inserted into a lock hole of the lock core and drives the lock core. The lock rod can be made of metal materials and can be bent. The lock core is driven to move to the second position by the key sheet, at the moment, the elastic element is compressed, the notch of the lock block and the notch of the lock rod are separated from each other, and the lock ring is released from being closed, so that the rope belt of the helmet can be hung on the lock rod. And then the other end of the lock lever is pushed into the communication hole. Under the drive of the elastic element, the notch of the lock rod is in buckling connection with the locking piece, and the formed closed lock ring can lock the helmet, so that the fixation and locking of the helmet can be completed. If unlocking is needed, the lock cylinder is driven to move to the first position again through the key sheet.

The helmet lock has a simple structure and no complex structure, so the manufacturing cost is low. But the operation is very convenient, and the helmet can be firmly fixed and locked.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to scale, unless expressly stated otherwise.

FIG. 1 is a schematic view of a helmet lock according to an embodiment of the present application, wherein a lock rod and a lock block are in snap connection;

FIG. 2 is a schematic view of another structure of a helmet lock according to an embodiment of the present application, in which a lock lever and a lock block are separated from each other;

FIG. 3 is a schematic view of an elastic element according to an embodiment of the present application;

FIG. 4 is a diagram showing the connection relationship between the locking block, the connecting rod and the guide piece according to an embodiment of the present application;

Fig. 5 is an exploded view of fig. 4.

The marks in the figure:

100-helmet lock; 101-closing a lock ring; 10-connecting seats; 20-a lock shell; 22-communicating holes; 24-circular grooves; 30-a lock cylinder; 40-key blade; 50-locking rod; 52-notch; 60-elastic elements; 62-a torsion spring body; 64-elastic rod; 66-fixing rod; 70-locking piece; 72-a tray body; 722-a connecting slot; 724-a second positioning plane; 74-latch hook; 742-guiding ramp; 76-mounting posts; 762-limiting grooves; 80-connecting rods; 82-a first positioning plane; 90-guiding sheet.

Detailed Description

In order that the application may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like are used in this specification for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

Furthermore, the terms first, second, third and the like in the description and in the claims, are used for descriptive purposes only and are not necessarily for describing relative importance or to indicate the number of features indicated or the order or timing of the description. The terms are interchangeable where appropriate. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Similarly, the terms "fixed," "connected," and "connected" are used throughout the description and claims and should not be construed as limited to a direct connection. Thus, the expression "device a is connected to device B" should not be limited to devices or systems in which device a is directly connected to device B, meaning that there is a path between device a and device B, which may be a path that includes other devices or tools.

In addition, the technical features mentioned in the different embodiments of the application described below can be combined with one another as long as they do not conflict with one another.

Referring to fig. 1 to 3, an embodiment of the present application provides a helmet lock 100, which includes a connection base 10, a lock shell 20, a lock cylinder 30, a key blade 40, a lock lever 50, an elastic element 60, and a lock block 70; the lock shell 20 is arranged on the connecting seat 10, a communication hole 22 is formed in the lock shell 20, the lock cylinder 30, the elastic element 60 and the lock block 70 are arranged in the lock shell 20, a lock hole of the lock cylinder 30 extends to the outside, the lock block 70 is in transmission connection with the lock cylinder 30, and a part of the lock block 70 extends to the communication hole 22; one end of the lock rod 50 is hinged with the lock shell 20, and the other end of the lock rod 50 is provided with a notch 52 clamping part; the elastic element 60 is configured to drive the lock cylinder 30 to move to a first position, and when the lock cylinder 30 is located at the first position, the other end of the lock rod 50 passes through the communication hole 22 and is in snap connection with the lock block 70, so that the lock rod 50 and the lock shell 20 form a closed lock ring 101; the key blade 40 drives the lock cylinder 30 to move to the second position through the lock hole, and when the lock cylinder 30 is located at the second position, the lock block 70 is separated from the notch 52 of the lock rod 50, and the lock ring 101 is released.

In the helmet lock 100 of the present embodiment, the connection base 10 is used to be connected to a handle of a bicycle or an electric car. The key cylinder 30 and the key blade 40 are engaged with each other, and the key blade 40 is inserted into the lock hole of the key cylinder 30 and drives the key cylinder 30. The locking bar 50 may be made of a metal material, and the locking bar 50 may be curved. The key blade 40 drives the lock cylinder 30 to move to the second position, at which time the elastic member 60 is compressed, the locking piece 70 and the notch 52 of the locking rod 50 are disengaged from each other, and the locking ring 101 is released, at which time the strap of the helmet can be hung on the locking rod 50. And then the other end of the lock lever 50 is pushed into the communication hole 22. The notch 52 of the lock lever 50 is snap-coupled with the locking piece 70 by the driving of the elastic member 60, so that the locking ring 101 is formed to lock the helmet, thereby completing the fixation and locking of the helmet. To unlock, the key blade 40 is used to drive the lock cylinder 30 to the first position again.

The first position and the second position are two gears of the lock cylinder 30, and the two gears can be switched by the key blade 40.

The helmet lock 100 of the present embodiment has a relatively simple structure, and has no very complex structure, so that the manufacturing cost is low. But the operation is very convenient, and the helmet can be firmly fixed and locked.

In one embodiment, the elastic member 60 is a torsion spring including a torsion spring main body 62, an elastic lever 64, and a fixing lever 66; the lock block 70 comprises a disc body 72, a lock hook 74 and a mounting column 76, the disc body 72 is in transmission connection with the lock cylinder 30, the lock hook 74 and the mounting column 76 are connected to the disc body 72, the lock hook 74 extends to the communication hole 22, the mounting column 76 is positioned on one surface of the disc body 72 away from the lock cylinder 30, and a limiting groove 762 is formed in the mounting column 76; the torsion spring main body 62 is sleeved on the mounting post 76, one end of the torsion spring main body 62 extends to the middle part of the torsion spring main body 62 to form the fixing rod 66, the fixing rod 66 is positioned in the limiting groove 762, the elastic rod 64 abuts against the inner wall of the lock shell 20 to drive the lock cylinder 30 to move to a first position, when the lock cylinder 30 is positioned at the first position, the other end of the lock rod 50 passes through the communication hole 22 and is in buckling connection with the lock hook 74, and the lock rod 50 and the lock shell 20 form a closed lock ring 101; the key blade 40 drives the lock cylinder 30 to move to the second position through the lock hole, and when the lock cylinder 30 is located at the second position, the lock hook 74 is separated from the notch 52 of the lock rod 50, and the lock ring 101 is released.

The mounting post 76, the tray 72, and the latch 74 may be integrally formed, and may be made of plastic. The plate 72 may be circular, and the mounting post 76 may be disposed coaxially with the plate 72, with one face of the plate 72 being coupled to the lock cylinder 30, and the mounting post 76 being coupled to the other face of the plate 72. The torsion spring main body 62, the fixing lever 66 and the elastic lever 64 are integrally formed. The torsion spring body 62 is sleeved on the mounting post 76, so that the mounting and fixing of the torsion spring body 62 can be completed. The fixing lever 66 is formed by extending one end of the torsion spring main body 62 to the middle of the torsion spring main body 62, the limiting groove 762 is positioned at the end of the mounting post 76, and the fixing lever 66 can be mounted in the limiting groove 762, so that the fixing effect of the torsion spring main body 62 can be further improved. The elastic rod 64 abuts against the inner wall of the lock housing 20, so that the disc 72 and the latch hook 74 can be pushed to move towards the communication hole 22, and when the lock rod 50 extends into the lock housing 20 from the communication hole 22, the notch 52 of the lock rod 50 and the latch hook 74 can be connected in a buckling manner.

In one embodiment, the latch hook 74 has a guide slope 742 on a side of one end near the latch lever 50. The guide inclined plane 742 is located in the extending direction of the communication hole 22, when the lock lever 50 is inserted into the lock housing 20 from the communication hole 22, the guide inclined plane 742 can abut against the other end of the lock lever 50, so that the guide inclined plane 742 has a guiding function on the lock lever 50, the other end of the lock lever 50 can continuously enter the lock housing 20 along the guide inclined plane 742, and the lock hook 74 can be slightly pushed due to the action of the elastic element 60, so that the lock hook 74 can be smoothly clamped into the notch 52.

Referring to fig. 4 and 5, in an embodiment, the helmet lock 100 further includes a connecting rod 80, the connecting rod 80 is disposed on the lock cylinder 30, a first positioning plane 82 is disposed on a side surface of the connecting rod 80, a connecting slot 722 is disposed on one surface of the disc 72, a second positioning plane 724 that is matched with the first positioning plane 82 is disposed on a side wall of the connecting slot 722, and the disc 72 is sleeved on the connecting rod 80 through the connecting slot 722. Through setting up spread groove 722 and connecting rod 80, make disk body 72 and lock core 30 can dismantle and link to each other, through the mutual location of first location plane 82 and second location plane 724, disk body 72 and connecting rod 80 are installed in place the back, and relative rotation can not appear in disk body 72 and connecting rod 80, can avoid lock core 30 operation failure like this.

In an embodiment, the helmet lock 100 further includes a guide plate 90, the inner wall of the lock shell 20 is provided with a circular groove 24, one end of the guide plate 90 is connected to the lock cylinder 30, the other end of the guide plate 90 is in a circular arc shape, and the other end of the guide plate 90 is attached to the inner wall of the circular groove 24. Through the mutual cooperation of the guide piece 90 and the circular groove 24, the lock cylinder 30 and the disc body 72 can rotate around the center of the lock cylinder without deviating from a set track, and the guide piece has a guide effect, so that the accuracy of the rotation of the lock cylinder 30 is improved, and the overall accuracy of the helmet lock 100 is further improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the application, the steps may be implemented in any order, and there are many other variations of the different aspects of the application as described above, which are not provided in detail for the sake of brevity; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in each embodiment can be modified or part of the technical features can be replaced equivalently; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of each embodiment of the present application.

Claims

1. The helmet lock is characterized by comprising a connecting seat, a lock shell, a lock cylinder, a key sheet, a lock rod, an elastic element and a lock block;

2. The helmet lock of claim 1, wherein the elastic element is a torsion spring comprising a torsion spring body, an elastic rod, and a fixed rod;

3. The helmet lock of claim 2, wherein a side portion of the locking hook near one end of the locking bar is provided with a guide slope.

4. The helmet lock of claim 2, further comprising a connecting rod, wherein the connecting rod is arranged on the lock cylinder, a first positioning plane is arranged on the side surface of the connecting rod, a connecting groove is formed in one surface of the disc body, a second positioning plane matched with the first positioning plane is formed in the side wall of the connecting groove, and the disc body is sleeved on the connecting rod through the connecting groove.

5. The helmet lock of any one of claims 1 to 4, further comprising a guide piece, wherein a circular groove is formed in the inner wall of the lock shell, one end of the guide piece is connected to the lock cylinder, the other end of the guide piece is in a circular arc shape, and the other end of the guide piece is attached to the inner wall of the circular groove.